Social Work Rural Camp
The 10-day rural camp exposes students to working in community and allows them to experience group living.
In the beginning of the semester students should attend 10 days rural camp.
 - Social work camp for 8 to 10 days is compulsory for Students
 - Micro-planning activity and Participatory Rural Appraisal (PRA) activity shall be the part of social work camp.
 - Urban social work camp may also be organized in any town or corporation area.
 - Tribal camp may also be organized in any tribal area.
 - Students should prepare a social work camp report and submit it to College/Dept.
Objectives of the social work camp:
 1. Understand the social system with the dynamics within.
 2. Analysis of the regional social system, the approaches, and the strategies of intervention used by the government and non-government organisations.
 3. Understand the nature of government intervention in relation to various groups (caste, tribe etc.) in the region, and the related structures of decision-making and intervention.
 4. Develop the capacity to critique the interventions of both the voluntary organisations and the government agencies in relation to the specific group.
 5. Through experience in group-living the student should learn to appreciate its value in terms of self-development, interpersonal relationships, sense of organisation, management and taking on responsibility.
 6. Acquire skills in planning, organising, implementing through the camp for example: conscious use of time, communication skills, team spirit, handling relationships, conflicts and differences of opinion, decision making, evaluation, appreciation, sharing of resources, tasks, coping skills in problem situations, cooperation and coordination.
 7. Learners are fully involved in planning, implementing the plans and presenting their experience in a workshop on return from the camp.
 8. The learners should be encouraged to take on concrete tasks towards meeting basic/civic needs of the people.
 1. Living conditions, housing, water supply and other amenities.
 2. Social life-power structure, community life, social norms and social institutions, dominant caste and untouchability.
 3. Marriage and types of families, family life.
 4. Economic lifeOccupation, extent of employment, ownership of house, land, average size of holding, proportion of landless labourers, proportion of land held by non-tribals and average size holding (in a tribal area), income and indebtedness, bonded labour.
 5. Exploitation by landlord, moneylender, and traders, extent and areas of exploitation, efforts made to obtain justice and with what effect, conflict, resolution methods.
 6. Political life-dominant politicians in the region and taluka, the bases of their power, their links with other economic exploiters and politicians at different levels, their influence with respect to the police, judiciary, government officials, factional politics that effect development and social justice.
 7. Education-level of education, education facilities and who controls them, suitability of education system, use of education facilities by different castes and class groups.
 8. Conditions of health and nutrition, services available and their use.
 9. Positive local initiatives in the area.
Other problems and issues
 - Analysis of intervention programmes/services approach/strategies, participation of the client system.
 - Gaps and suggestions.
 - Role of the social worker.
 - 10. Guidelines for observation of a voluntary agency in a rural setting:
 1. Objectives
 2. The approach and methods used for achieving objectives.
 3. Organisational structure.
 4. Priorities and programs evolved, participation of people in decisionmaking and in programme implementation, problems encountered in programme implementation.
 5. Impact on the villagers in terms of their problems, social justice, development of leadership, development of an alert and democratic community.
 6. Relationship with Panchayat Raj, Block Development personnel, the magistracy and other government institutions and bodies, difficulties encountered, benefits received.
 - 11. Guidelines for observation of community development organisaitons and Panchayat Raj.
 1. Administrative set up of both the above.
 2. Who are the zilla parishad samiti/panchayat members, their socioeconomic and caste status.
 3. Problems of administrative personnel in working with elected persons at different levels.
 4. Decision making process: type of problems that come before the zilla parishad, panchayat, who initiates projects, process of assessing them. How decisions are made-manipulations, lobbying, pressure tactics used.
 5. Current major programes, budget allocations for the programmes, methods of implementation, participation of people, impact on development and social justice.


an atlhlete runs around a track that is 100mts long for 3 times and then stops. what is the athletes distance and sisplacement?
Asked by arajeevshashank | 14th Feb, 2018, 06:49: PM
Expert Answer:
distance covered is 100 x 3 =300 mts
displacement = distance between final position and initial position
since runner comes back to same position which he started
so displacement is zero
Answered by Arun | 15th Feb, 2018, 09:29: AM


text:
from the abstract:
Natural mentors have been shown to help improve psychological and educational outcomes of youth, and may serve an important role for youth experiencing risk in the home.
Using data from the National Longitudinal Study of Adolescent to Adult Health (Add Health), we investigated the associations between natural mentors during youth and income during early adulthood, including how these relations were moderated by the absence of a father figure and race. We also estimated the lifetime economic benefits to having a natural mentor.
- The presence of a natural mentor alone did not have a significant impact on annual earnings during adulthood.
- However, youth without a father but who had a male mentor earned significantly more, on average, than those without a male mentor.
- These effects were more pronounced in a subsample of African American youth.
- The net present value of total lifetime benefits to having a male natural mentor was approximately $190,000 for all fatherless youth and $458,000 for African American fatherless youth.
These results suggest that natural mentors play a crucial role in economic outcomes for youth, which may vary by sociodemographic factors.

source: openbmb/Ultra-FineWeb


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If $X$ is a complete nonsingular curve over $k$, $Y$ is any curve over $k$, $f: X \to Y$ is a morphism not map to a point (so $f(X)=Y$), then $f$ is a finite morphism.
This is the assertion prove in Hartshorne Chapter2, Prop6.8. But the proof is a little sketchy at the point of the inverse image of an affine set is also affine. I quote it here:
...Let $V=\rm{Spec}B$ be any open affine subset of $Y$. Let $A$ be the integral closure of $B$ in $K(X)$. Then $A$ is a finite $B$-module, and Spec$A$ is isomorphic to an open subset $U$ of $X$. Clearly $U=f^{-1}(V)$...
Can anyone explain why "Spec$A$ is isomorphic to an open subset $U$ of $X$. Clearly $U=f^{-1}(V)$"?
share|improve this question
Presumably R=B...? – Matt Apr 30 '12 at 16:16
1 Answer 1
up vote 7 down vote accepted
Since $X$ is complete, the morphism $f$ is proper.
For any $y\in Y$, the fibre $F=f^{-1}(y) $ is closed and strictly included in $X$, because $f$ is not constant.
Hence $F$ is finite, i.e. $f$ is quasi-finite.
But a proper and quasi-finite morphism is finite, and so $f$ is indeed a finite morphism.
share|improve this answer
Thank you so much! However, I have two questions: 1) why $F$ is closed? 2) why proper+quasi-finite imply finite? I have looked at Wikipedia, it referred this a result as a consequence of Stein factorization. Suppose $Y'$ is the intermediate scheme in Stein factorization, do we necessary have $X=Y'$? Or, maybe you can point out the reference where I can find the proof. – Li Zhan May 1 '12 at 21:47
Dear Li, a) $F$ is closed because it is the inverse image of the closed set$\lbrace y \rbrace$ under the continuous morphism $f$. b) The result quoted in my last line can be found in Vakil's wonderful on-line notes, 11.3.8. page 267 – Georges Elencwajg May 2 '12 at 6:32
Your Answer


Definition:Undefined Term
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For a definition to not be circular, the definer must use already defined terms.
However, this process cannot go on indefinitely. If we were to insist on everything being defined only using previously defined terms, we would enter an infinite regress.
Concepts that are not defined in terms of previously defined concepts are called undefined terms.
An undefined term is frequently explained by using an ostensive definition: that is, a statement that shows what something is, rather than explains.
Also known as
Undefined terms are also known as primitive terms, or primitive notions.
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Sheriff Walter B. Butchart
Walter B. Butchart, aged 21, was appointed to fill out the unexpired term of his father, William B. Butchart, also known as "Old W. W.", when the later died in his sleep Aug. 28, 1904. The following day, Walter pinned on the gold star and became the youngest sheriff on record in St. Louis County and one of the youngest in the nation.
Walter B. Butchart was educated in the Duluth Schools. At the outbreak of the Spanish-American War he enlisted with Company G, 14th Minnesota regiment. (Source: Minn. 920 W628 Who's Who In St. Louis County; Collier. 1932)
Byron Butchart is pictured with the badges worn by his family during their law enforcement history.

source: HuggingFaceFW/fineweb-edu


text:
In this part of the lab, you must write a program in C that prints the temperature at equally spaced points on a triangular plate.
We assume that the triangular plate that is enclosed by the lines x = 0 and y = 0 and x + y =100. Start by sketching this region on a piece of paper. The temperature at a point (x,y) on this plate is given by:
T(x,y) = sin( x + y ) e -(x+y)/100
Your program must:
print the temperature at points spaced 20 units apart in the x-direction (starting at x = 0 ) and 10 units apart in the y-direction (starting at y = 0)
print the temperature to 5 decimal places in a field of width 9
Here is the expected output given the specification provided above:
-0.16728 -0.44658 -0.18628
-0.15914 0.38430 0.36347
0.49946 -0.16728 -0.44658 -0.18628
-0.73195 -0.15914 0.38430 0.36347
0.74746 0.49946 -0.16728 -0.44658 -0.18628
-0.49225 -0.73195 -0.15914 0.38430 0.36347
0.00000 0.74746 0.49946 -0.16728 -0.44658 -0.18628
Note that the first line of output above corresponds to the row y = 100 while the last line corresponds to y = 0.
Write your program in such a way that the separation between points can be changed easily.
You will find the following functions in the library math.h useful:
double sin( double angle ); /* returns the sine of angle */
double exp( double num ); /* returns e^num */
Having some trouble with this problem..anyone have some ideas for a solution?


what saints row 3 character are you?
there are many saints row adicts take this test to see if you could be a saint i hope so so stop reading this and take that quiz.hey i said stop reading and take that quiz
do YOU know if you are a saint mabye a decker a luchadore or a morningstar it dosent matter im interested in the deckers but i made a saints quiz it doesent matter what you get
Created by: tyler
 1. who is youre favorite character(does not count)
 2. were would you shoot someone?
 3. someone says "the saints are terrible",what do you say or do?
 4. you kill someone and a cop catches you in the action,what do you say or do?
 5. someone needs you to destroy a terminale,how do you do it?
 6. oh no!,someone broke in to saints HQ,what do you do?
 7. are you glad johnnys dead (does not count)
 8. what ending do you like best (does not count)
 9. can you climb obsicles
 10. was this quiz fun?
Remember to rate this quiz on the next page!
Quiz topic: What saints row 3 character am I?


An introduction to mechanized reasoning
Research output: Contribution to journalArticlepeer-review
Colleges, School and Institutes
Mechanized reasoning uses computers to verify proofs and to help discover new theorems. Computer scientists have applied mechanized reasoning to economic problems but–to date–this work has not yet been properly presented in economics journals. We introduce mechanized reasoning to economists in three ways. First, we introduce mechanized reasoning in general, describing both the techniques and their successful applications. Second, we explain how mechanized reasoning has been applied to economic problems, concentrating on the two domains that have attracted the most attention: social choice theory and auction theory. Finally, we present a detailed example of mechanized reasoning in practice by means of a proof of Vickrey's familiar theorem on second-price auctions.
Original languageEnglish
Pages (from-to)26-39
Number of pages14
JournalJournal of Mathematical Economics
Early online date18 Jul 2016
Publication statusPublished - Oct 2016
 - mechanized reasoning, formal methods, social choice theory, auction theory


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Acceptance by silence is a type of acceptance of a contract. Generally a contract cannot be accepted by silence. However, a contract will be considered as accepted even in case of silence in the following cases:
1. in case of past dealings of the parties;
2. in case if the offeror has waived communication by indicating that acceptance may be made by silence or inaction;
3. if one party requests to change the terms of the contract; and
4. offer to renew an insurance policy is sent to the insured.


text:
This 1.6km (1 mile) walk beside the River Tees has a wealth of wildlife, including over 200 plant species. Many are common British species and twelve belong to the 'Teesdale Assemblage' — a uniquely rich association of plants for which Upper Teesdale is famous. The plants included here are the larger flowering ones which can be seen, at the appropriate time of year (when they are flowering), from this well used path. Not all will be in flower on one visit. The flowering times indicated are for the peak period. To prevent trampling on inconspicuous and perhaps rareplants it is advisable to keep to the path and already trampled areas; please do not extend them.
Starting from Bowlees Visitor Centre.
- Off road sections
- On road sections
- Car parking


Akai MPC Renaissance - Sampling With an External Sound Module
Have a synth or external sound module you would like to sample? With the MPC Renaissance/MPC Software it has never been easier. You can even quantize the sample with legendary MPC swing! The following article will show you how to record a MIDI track, send the MIDI to an external sound module, and record the sound module's audio as a sample.
 1. Connecting the Hardware
 2. Setting Up MPC Software Preferences
 3. MIDI Track Configuration
 4. Recording the MIDI Track as Audio
 5. Additional Resources
 6. Further Technical Support
Connecting the Hardware
 1. What you will need:
 - An External Sound Module with a MIDI input (synth, drum machine, etc.)
 - 1- 5 Pin MIDI Cable
 - 2- 1/4in Instrument Cables
 NOTE: When using line outputs from the external device, make sure Input 1 + 2 are set to LINE and not MIC on the back panel of the Renaissance.
Setting Up MPC Software Preferences
 1. In the MPC application, go to your Preferences window:
 - On Windows, choose Edit > Preferences.
 - On a Mac, choose MPC > Preferences.
 2. Select the MIDI tab and for MIDI Out Port A choose MPC Renaissance MPC Port 1 (or whatever Renaissance port you are connected to) from the drop down menu. This will activate the port for MIDI routing.
 3. By default, the Renaissance should be your input device with Input 1 + 2 selected as the Active Input Channels. Make sure you are configured like the image below or you will not be able to hear the external sound module's audio.
MIDI Track Configuration
 1. You are now ready to route a MIDI track externally. Choose a blank track (or existing MIDI performance) and with the INSTRUMENT drop down choose MIDI.
 2. You will see that MPC Renaissance MPC Port 1 shows up as your default MIDI output due to the selection made previously in the MIDI preference menu. This indicates that your track is sending MIDI to the MPC Software sequencer and then out of Port 1 on your hardware.
 akai mpc ren sound module 51
 3. The external sound module or synth can now receive MIDI note messages when you press a pad on your Renaissance. To hear the audio from the external sound module, press (Shift+Sample Edit) on the hardware or use the software's Sample Record tab to enter Sample Record mode. Choosing Input Monitor will allow you to hear your sound source through hardware Input 1 + 2 without actively recording the signal. The Input source will need to be set to external when using the Renaissance hardware inputs to sample.
 4. Now you can record MIDI into the sequencer while hearing the external sound source. If you leave the PROGRAM drop down on Off, the pads will trigger the current patch selected on your synth or external sound module.
 5. If needed, you can set a specific MIDI channel for the track. Also, if your hardware support program changes, you will be able to change the hardware's patch right from the MPC Software.
Recording the MIDI Track as Audio
 1. Once you have a sequence that is arranged and quantized to your liking, it is now time to create an audio sample of the performance. If you want to record the sample in stereo, make sure L + R is selected under RECORD ARM . If you want the sample to be mono, choose L (input 1). If more gain from the external source is needed, use the REC GAIN knob on the Renaissance to increase the input level.
 2. Make sure the sequencer is cued so that the first bar will play the beginning of your performance. Setting the THRESH (threshold) level will allow the sample to start recording when the audio passes a certain point. This will allow the sample to trigger immediately when assigning it to a pad. Increasing/decreasing the REC GAIN knob on the Renaissance will affect the THESH response.
 NOTE: If you set the threshold too high, the MPC software may not start the recording when you play the input source, or the start of the material you wanted to record may be missing. If you set the threshold too low, the MPC software may start the recording before you play the external source. Set this parameter to an appropriate level using the level meter.
 3. Select REC under SAMPLE and press play on the transport when you are ready to record the external source as a sample. When you have captured the desired performance, press STOP under SAMPLE. Keep in mind while capturing a sample the MPC Software will only record continuously for around 20 seconds unless you increae the time value with the hardware's jog wheel before starting.
 MPC Hardware MPC Software
 4. After recording is complete, the MPC Software will ask you if you want to keep the sample you have created. If you would like to reset your threshold and recapture the sample, choose retry. You will be able to edit the sample later, so don't worry about it being perfect. This menu will let you name the sample and assign it to a pad. If you don't assign the sample to a pad it will show up in your sample list when selecting keep.
 5. Now your performance is ready to use as a sample and is listed in your sample list (to the right). You can assign the performance to a pad a play it into your song as desired, or you can select the sample and use the CHOP feature to divide the performance into multiple phrases. Since the sample was recorded at the tempo of your sequence, you never have to worry about timing as long as the sample starts immediately when pressing a pad. To edit when the sample starts, use Q-Link 1, 5, 9, and 13. Enjoy!
Additional Resources
AKAI Technical Support and Warranty Service


Lovely Wind Chimes Collection 2015
Sponsored Links:
A wind chime is a decoration which is made up of hollow metal tubes arranged in a circular or cubical pattern with a slightly longer stick at the center of the arrangement which strikes the tubes to make a low pitch sound. The ornament has been used since Roman times and was placed outside houses to ward off evil spirits. In South East Asia, wind chimes have been used for centuries and are hung in gardens, verandas and courtyards normally and as their name suggest, are operated by gusts of wind.
Wind Chimes are made in hundreds of different materials, shapes, arrangements, colors and sizes. These properties depend on where they are hung and other factors which include the pattern and color of the articles in their whereabouts. Most commonly, metallic wind chimes are made these days which are preferably of Aluminum because of the metal being hollow, light and making faint, low pitched sounds. The tubes of the chimes are colored depending on their material of construction with wood normally being colored brown and metal being shaded silvery.
Like mentioned above, wind chimes are made in a variety of sizes. The dimensions of the decoration depend on where it is going to be hung and on some other factors like the material of construction. Larger wind chimes are affordable as long as the material of construction is Aluminum because of it being light weight but smaller chimes are made in case of wood and steel. If they are to be hung in a wide open place, wind chimes are made bigger so as to benefit from a bigger amount of wind and create more sound. On the contrary, smaller ones are used in tight porches and terraces so that they look good and not out of place.
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Subsistence means the minimal resources that are necessary for survival. If you work for subsistence, you'll probably receive food, water, and lodging (internet access not included).
Subsistence can be used in a variety of subtly different ways. In addition to referring to necessities for survival, it can indicate one's means of obtaining those necessities (usually a job). And if you feel like getting philosophical, subsistence can refer to the very act of existence itself.
Definitions of subsistence
 1. noun
 a means of surviving
 "farming is a hard means of subsistence
 see moresee less
 type of:
 endurance, survival
 a state of surviving; remaining alive
 2. noun
 minimal (or marginal) resources for subsisting
 "social security provided only a bare subsistence
 see moresee less
 type of:
 bread and butter, keep, livelihood, living, support, sustenance
 the financial means whereby one lives
 3. noun
 the state of existing in reality; having substance
 see moresee less
 type of:
 being, beingness, existence
 the state or fact of existing
Word Family


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Lost Mound is located where the once vibrant Savanna Army Depot once was (still there, just not operational). It is part of the Upper Mississippi River National Wildlife Refuge and is a birder's paradise, yet still fairly unknown. The signs and sights tell you otherwise, but Lost Mound is unbelievable when it comes to birds.
While in Rhode Island we have started to see lots of Northern Mockingbirds. This was a life bird for Dakota, and a bird we seldom see in northern Illinois. Northern Mockingbird with earwig


text:
Want to beat your Scrabble friends no matter where you are?WordSolver Android App!
1 Definition of Unarm
The definition of unarm, the meaning of the word Unarm:
Is unarm a scrabble word? Yes!
- v. - Take away the weapons from; render harmless
Unarm is worth 7 points in Scrabble, and 10 points in Words with Friends
There are 5 letters in unarm: A M N R U
Words that can be created with an extra letter added to unarm:
23 words found using the letters in "Unarm"
4 Letter Words
3 Letter Words
2 Letter Words


text:
Definition of ametropia
n. - Any abnormal condition of the refracting powers of the eye. 2
The word "ametropia" uses 9 letters: A A E I M O P R T.
No direct anagrams for ametropia found in this word list.
Words formed by adding one letter before or after ametropia (in bold), or to aaeimoprt in any order:
s - ametropias
All words formed from ametropia by changing one letter
Browse words starting with ametropia by next letter


What are peacock babies called?
Peacock babies are called peachicks, though you won't find any peachicks at Sacrewell as we only have male peacocks and no peahens.
We thought you might be interested to know the correct terms for the male, the female and the baby of some other animals that we have on the farm too.
Animal Adult male Adult female Young
peafowl peacock peahen peachick
pig boar sow piglet
cattle bull cow calf
chicken cockerel hen chick
sheep ram ewe lamb
goat billy nanny kid
horse or pony stallion mare foal
alpaca macho hembra cria
donkey jack jenny foal
guinea pig boar sow pup
rabbit buck doe kit
For some animals, farmers also use different words for adult animals which are used for breeding and adult animals which aren't. Here are two examples:
Animal Castrated male Breeding male Young female Breeding female
pig barrow boar gilt sow
cattle steer bull heifer cow
An adult male peacock displaying his fabulous feathers.


text:
The City of Greater Bendigo's Accessible Events Guide provides information and recommendations to ensure events and activities are inclusive and accessible for people with a disability.
Event organisers can use this as a resource when developing their event plan. It provides a checklist and further information and resources to assist you:
In planning your event
On the day of the event
To provide staff support
To evaluate if your event was accessible and inclusive, and identify future improvements


Browse Dictionary by Letter
Dictionary Suite
zygote a cell formed by the union of two gametes or sex cells. [2 definitions]
zymase an enzyme found in yeast that decomposes sugar into alcohol and carbon dioxide.
zymofermentation. [2 definitions]
zymogen an inactive protein that has the potential to become an enzyme because of an internal change.
zymology the science involving the chemistry of fermentation; enzymology.
zymurgy the branch of chemistry that deals with the fermentation process, as in beer brewing or winemaking.


Open main menu
Diffgeom β
Injectivity radius
This article defines a scalar function on a manifold, viz a function from the manifold to real numbers. The scalar function may be intrinsic or defined in terms of some other structure/functionsTemplate:Radius notion
The term injectivity radius is also used for injectivity radius of a manifold which is the infimum over the manifold of the injectivity radii at all points
The injectivity radius is a scalar function on a Riemannian manifold M is defined as follows: the injectivity radius at x \in M is the supremum of all values r such that the exponential map from the unit ball B_r(x) in T_xM, to the manifold M, is injective.
The fact that the injectivity radius at each point is strictly positive is one of the starting points of Riemannian geometry.


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While fireworks delight celebratory crowds in the summer, for those experiencing PTSD, autism, or sensory-related triggers, these loud and illuminated events can be anxiety-inducing. Understanding how fireworks affect others can help us celebrate holidays safely and with compassion for those around us.
Fireworks & your brain
The loudness of fireworks isn't the only reason they can cause anxiety. According to Dr. Todd K. Favorite at the University of Michigan, the unpredictability of firework explosions can trigger your fight or flight response, increasing your heart rate and causing heavy breathing. The feelings we associate with this are ones where we sense imminent and immediate danger. This is why fireworks can induce anxiety in many individuals.
How to manage auditory anxiety
If you or someone you celebrate with has anxiety related to fireworks, ask your neighbors to alert you if and when they plan to set a few off. This will give you valuable time to prepare and make a plan to cope with your body's reaction, reducing the fear surrounding fireworks.
Here are some things that can be a part of that plan:
- Communicate when you are starting to feel uncomfortable
- Use noise-canceling headphones and distract yourself with music, a podcast, or an audiobook
- Try a grounding technique: hold a piece of ice, recite a memorized poem, sit with a pet, or visualize a favorite place
- Take deep breaths
- Check-in with yourself regularly and assess how you are feeling
There are many ways to handle auditory anxiety, and Valley Oaks Health can provide you with the stability and support needed to help you take steps toward better mental health.


Commissions research on social gaming sector
The International Social Gaming Association (ISGA), a body that emerged following a merger between The Social Gaming Association (SGA) and the International Social Games Coalition (ISGC) in September, has developed a set of best practice principles for the social games industry.
The set of best practice principles covers five areas which are intended to ensure that games and their providers:
– Practice law and regulatory compliance;
– Are transparent in their functionality;
– Conduct responsible purchase and payment policies;
– Provide appropriate player privacy management; and
– Use appropriate advertising models.
Luc Delany, chief executive officer of the ISGA, said: "The social games industry is thriving and fast growing – over 750 million people play social games worldwide, and social games companies are driving economic growth. The launch of our best practice principles reflects our industry's need to ensure games are developed and operated in a responsible way at a time when the way people play and pay for games is changing."
Additionally, the ISGA has commissioned research into the evolution, use and impact of social games. The research results aim to give a better understanding of social gaming from both business and the consumer's point of view.
Independent research firm Harvest Strategy, led by Dr. Rohan Miller, will target how social games are changing the ways consumers play and pay for games.
The findings are expected to be released early 2014.


text:
A cross country race is usually 5K (3.1 miles) for high school students and 3K (1.86 miles) for middle school students. The cross country season typically starts in September and ends in November. During a race, individuals and/or teams compete against one another to earn the fewest points.
|1. Event Logistics||6. Awards|
|2. Location and Course||7. Water|
|3. Organizing Heats||8. Wrap-Up|
|4. Timing||9. Additional Information / Ideas|
- The Event Planning Guide will help you consider the important elements in staging your athletic event.
- The Planning Timeline will help you carefully schedule your event preparations.
- The cross country Staffing and Supplies Checklist will help you assign roles to your colleagues and ensure you have everything you need for a successful event.
- The standard distance for a cross country race is 5K (3.1 miles) for high school students and 3K (1.86 miles) for middle school students, but the distance can be modified slightly to suit your students' needs.
- Make sure to measure the course accurately.
- Clearly identify the start and finish line(s) and mark the entire course for race day using cones or chalk.
- If participants will be out of sight for all or part of the race, plan on having plenty of marshals to guide runners and monitor the course.
- We suggest no more than 50 runners per heat.
- Decide how to organize heats in advance. You can divide participants by sex, class, age, height, skill, or simply by random assignment.
- Plan on a way to identify and separate heats. One option is to have separate areas with signs where each group can congregate. You can then walk each group to the start when it is their turn to run. Another possibility is to distribute colored or numbered stickers or wristbands to identify each heat, which you can then check as runners line up to run.
- Gather each heat 15 minutes before its start time so you can make sure all of the right participants are present for their heat.
- If you have time, you can start each heat so it finishes before the next one begins. If you are tight on time, you can space each heat several minutes apart. In that case, be sure heats are far enough apart that runners in different heats will not overlap with one another.
- Designate a timer at the finish line. If a printing stopwatch is available, click it each time a runner crosses the finish line to record their place and time. Later, you can use this information to compile the race results. Alternatively, assign a timer and a recorder. The timer will call out times as runners finish for a colleague to write down.
- Enlist several adults at the finish area to keep runners organized. When runners cross the finish line, keep them in order in a narrow area called a chute until you can note their finish places, names, and teams. Expedite this process by giving runners a sticker before the race with their name and team that you can remove at the finish line and organize on sheets of paper. If you don't have stickers, use a stack of pre-numbered index cards, indicating finish places, and hand them to runners as they finish. Runners can then proceed to a finish table to fill out their names and teams on the card. You can later match the finishers' names and places to the times on the stopwatch.
- A standard cross country team has seven scoring runners. You can allow teams with more runners as well as individuals, but they will not be considered in the team scoring.
- The first five runners' scores are included in the team score. For example, if Team A's runners finish in 2nd, 7th, 8th, 12th, 18th, 30th, and 31st, Team A receives 47 points. The team with the lowest score wins.
- Each scoring runner receives points corresponding to their overall place among other scoring runners. For example, if Team A has eight runners that finish in 1st through 8th place, and Team B's fastest runner finishes 9th, Team Bís top runner receives 8 points (Team Aís eighth runner is not included in scoring). In the event of a tie, you may consider including sixth and seventh place runners in team scores to determine a winner.
- While the sixth and seventh runners do not count towards their teamís score, they can still help their team win. If the sixth runner on a team comes in before the fifth runner on another team, they help increase the other team's score.
- For a traditional team-scored event, tally the results and present awards to the top teams and top individual finishers.
- For a less competitive event, you can station someone at the finish line to hand out participant awards as students finish or give them to each teacher or coach to distribute to their teams.
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Consider starting the event with a group warmup where you gather all participants together and have them follow along as an adult leads a simple warmup routine comprised of dynamic stretches and/or a brief jog. You can also organize a group cool-down.
- Try to position the warmup/cool-down leader above or below the runners (using stairs, a hill, or a stage) so the kids see the leader and can copy their movements. Provide a microphone if available.
- Play energizing music, if possible.
- Check out these sample warmup routines for some ideas:
In competitive settings, cross country runners often wear spikes. Spikes are shoes with metal spikes that improve a runner's traction. For a race with many beginners, or when a significant portion of the race will be run on hard surfaces (like concrete or asphalt), you may consider disallowing spikes. Check for any rules against spikes at the location of your race.Back to top


How To Grow Sodium Nitrate Crystals
Sodium Nitrate crystals
Vadim Sedov/Wikimedia Commons/CC by 4.0
Sodium nitrate is a common chemical, found in food, fertilizer, glass enamel, and pyrotechnics. Sodium nitrate, NaNO3, forms colorless hexagonal crystals. Although these crystals are a bit more challenging to grow than some of the beginner crystals, the interesting crystal structure makes them worth the effort. The crystal somewhat resembles calcite, exhibiting some of the same properties. Sodium nitrate crystals can be used to examine double refraction, cleavage, and glide.
Sodium Nitrate Crystal Growing Solution
 1. Dissolve 110 grams sodium nitrate per 100 ml hot water. This will be a supersaturated solution. One method of growing crystals is to allow this solution to cool in an undisturbed location and allow it to produce crystals as the liquid evaporates.
 2. Another method of growing this crystal is to grow a single crystal in a sealed container from a supersaturated solution. If you choose to follow this method, prepare the aforementioned solution, allow this solution to cool, then add a couple of grains of sodium nitrate and seal the container. The excess sodium nitrate will deposit on the grains, producing a saturated sodium nitrate solution. Allow a couple of days for this to occur.
 3. Pour off the saturated solution. Pour a small amount of this solution into a shallow dish. Allow the liquid to evaporate, to produce small seed crystals. Select a crystal or two for further growth.
 4. To prepare the supersaturated growing solution, to your existing solution add 3 grams of sodium nitrate per 100 ml of water in the original solution. So, if you prepared 300 ml of solution, you would add an extra 9 grams of sodium nitrate.
 5. Carefully add your seed crystal to this liquid. You can suspend the crystal from a nylon monofilament. A nylon monofilament or wire is used because it won't wick up the solution, causing evaporation.
 6. Seal the jar and allow the crystals to grow at a constant temperature, someplace they won't be disturbed. Sodium nitrate is very sensitive to temperature changes, so maintaining a constant temperature is important. If you have difficulty maintaining a temperature, you can place the sealed jar inside a water bath. If you don't see crystal growth after a few days, try lowering the temperature slightly.
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Your Citation
Helmenstine, Anne Marie, Ph.D. "How To Grow Sodium Nitrate Crystals." ThoughtCo, Aug. 28, 2020, Helmenstine, Anne Marie, Ph.D. (2020, August 28). How To Grow Sodium Nitrate Crystals. Retrieved from Helmenstine, Anne Marie, Ph.D. "How To Grow Sodium Nitrate Crystals." ThoughtCo. (accessed August 5, 2021).
Watch Now: 3 Tips for Growing Sugar Crystals


text:
People stop feeling young at 40 years, 8 months and 2 weeks
It's been said that life begins at 40, but it might be more accurate to say that mid-life begins at 40.
A British Government poll has revealed that the age at which we should stop calling ourselves young is 40 years, eight months and two weeks.
More surprisingly, the Britons surveyed believe that old age begins at 59 years, two months and two weeks, the Daily Mail reported.
The poll, for the Department for Work and Pensions, spoke to 2,171 people aged 16 or over and uncovered stark variations in the views of men and women and different age groups.
Men say being young stops at 38 and a half. For women the cut-off is delayed until 42 years, nine months and three months.
Old age, according to women, begins at 60 years, four months and two weeks. But for men, it is much earlier - at 58.
The gap may be down to men placing more emphasis on diminishing strength as a mark of ageing, or because women tend to live longer.
As many might expect, the definition of old age goes back in later life. Under-50s said it begins at 46 years and nine months. For those age 50-plus, old age starts at 62 years, seven months and two weeks.
While 16- to 24-year-olds said being young ends at 32, for those aged 80-plus the answer was 52.
This is not far short of when the youngest group said old age begins - 54.
The Department for Work and Pensions said 'the disparity in perceptions' showed 'the potential for age stereotypes to be applied in very inconsistent ways'.
Class and income may also be factors, as unemployed said being young ends nine years earlier than those with full time jobs.
People who lived in council houses tended to believe old age started five years earlier than those who owned their home outright.


Table of Contents
CoChaCo is a collection of constructs, aiming to support the process of thinking, creating and designing a meta-model. The Concept, Characteristic and Connector constructs, which give CoChaCo its name, allow describing the composition of a meta-model while Purpose and Functionality constructs allow to depict the utilization of the meta-model. Stakeholders allow to keep track of the relevant interested parties. With these types in mind and the possibility to relate their instances to one another it is possible to create meta-models independent of a specific framework, platform or implementation while concentrating at the heart of meta-modelling.
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Step 9: Manually adding participants
Published 2/1/17, 4:02 PM, by Aaron Bird
This tutorial will explain how to manually add a rider to an event. This could be in response to a postal entry.
The steps to manually add a participant can be summarised as:
 1. If you already know the CTT ID of the participant, you should use this ID and add the new participant
 2. If you do not know the CTT ID, you should search for the ID using the participants first name, last name and gender. If a match is found, you should use this CTT ID
 3. If you are 100% there is not already a CTT ID for this rider in the system, you should add the participant and then use the issued CTT ID.


text:
The bottlebrush buckeye plant, or Aesculus parviflora, is a shrub with lots of straight stems. Small white flowers cluster together at the tops of the stems. The bottlebrush buckeye plant can grow to become 12 feet high and 20 feet wide. Bottlebrush buckeye plants need proper care to thrive.
Locate a space on your property where your bottlebrush buckeye will have some shade and well-draining soil. If necessary, add peat moss or perlite to the soil to help the soil drain.
Water your bottlebrush buckeye once per week, allowing the soil to dry out in between waterings.
Feed your bottlebrush buckeye plant with 8-8-8 slow-release fertilizer. Apply 1 lb. of this fertilizer to every 100 square feet of space.
Spread a layer of mulch around the base of your bottlebrush buckeye plant that is at least 2 inches thick. This will keep the moisture in as well as protect the roots during the winter months.


What are the benefits of scolecite?
In summary...
Heart, blood circulation, lungs, nervous system, pancreas, back, eyes, bowel, stress, fear
Physical benefits
The scolecite is beneficial to the blood and lymphatic, respiratory and nervous systems. It has the ability to maintain a good functioning of our cardiovascular and cerebral system. It is also a stone that helps regenerate the pancreas, realign the spine, improve vision and balance the intestines.
Psychic benefits
The scolecite brings a lot of calm and inner peace. It dispels stress, sadness, fear and anxiety. It is a very valuable life path stone that facilitates forgiveness by eliminating the need to cling to a grievous past. The quest for true values finally makes sense.
 Warning :


What Causes a Laptop to Short Circuit?
What Causes a Laptop to Short Circuit?
What Causes a Laptop to Short Circuit?
Technology is advancing day by day very fastly. Laptops are part of life for everybody either he is a student, teacher, doctor, engineer or writer. Everybody using laptops randomly and roughly. There are 2 to 3 laptops in every home nowadays because it is the need of everybody.
In this article, our editors have explained all the reasons which cause a laptop to short circuit. Along with this, we have added a detailed guide about fixing problems caused by the laptop short circuit.
As it is very important in our life so when its processor shows some problem many of work stuck down due to defect in laptop. People use laptop recklessly and it causes a laptop to short circuit.
First of all, we have to know what is a short circuit?
What is the short circuit?
It can be defined as low resistance of the connections in laptop. Low resistance between the circuit and power supply that are giving it to Electrical power. Due to low resistance high current will be passed and it causes a short circuit.
A short circuit can be an alternating current AC and also can be in direct current DC circuit. The short circuit in the laptop produces a high temperature that damage the whole circuit and battery can explode due to heat. You must always keep your laptop secure from a short circuit.
What Causes a Laptop to Short Circuit?
Any physical damage or any electrical damage can cause a short circuit in laptop. A short circuit will consume all the power and it causes your laptop not to turn on.
 If your adapter is working when you put up on the wall and then stop working when you connect it into your laptop then it means short circuit takes place in laptop. When two wires in the circuit that should not be connected, they get connected short circuit takes place.
Causes of Short Circuit in Laptops and how can we fix it
There are many causes of a short circuit in a laptop:
Spilling of liquid:
The electrical circuit of the laptop can be damaged by the spilling of water or liquid on it. A liquid can cause these types of damage:
 - A short circuit caused by wet liquid (problem removes after liquid cleaned and dried)
 - A short circuit caused by dried liquid residue
 - Corrosion (especially with Coke or Pepsi)
 - Electronic components damaged by above short circuits
During using a laptop if you spill water or any liquid on a laptop, it can cause a short circuit. It is very common that we keep eating and drinking during work on the laptop. So it can cause a short circuit.
Fix it:
if you spill liquid while using your laptop then these tips can give you fighting chance to salvage parts of your laptop.
 - Turn off your laptop immediately.
 - Unplug the laptop from its power cord. Press the power button for the 4 seconds that it turns off the power of a laptop or shut down the laptop.
 Remove the battery of the laptop. Disconnect the battery from the laptop.
 Clean the laptop with a highly absorbent cloth that it cleans visible liquid on a laptop so that it could not cause a short circuit.
Dry it with dryer and wait for 3 hours then you can use a laptop easily.
Issues in Laptop Power supply can cause a short circuit
Check power supply by plugging it into the wall of outlet to check the LED of the power supply lights up. The power adapter should not plug into the laptop, only the wall of the strip outlet.
Laptop adapters have LED light, which allows users to identify either current is passing from the adapter or not.
If the LED light is not turning on, check it in another outlet. If you still see no light, then the surge protector in the cable is burnt and the cable needs replacement.
Fix it:
 this can be resolved by buying a new adapter for the charging of laptop otherwise it would because of short circuit. Because burnt cable could not provide a sufficient amount of current to the laptop.
High Voltage:
Due to damage to the cable or power supply or any other cause of high voltage. Any problem with electricity that increases the voltage input can cause a short circuit of laptop.
High voltage effects on the circuit of the laptop that decrease the resistance of current and large amount of current pass from the circuit and short circuits happens. High voltage can also cause errors in the laptop processor.
Fix it:
Test the output voltages. Put a positive pin inside the cable power connector that inserts into a laptop. Put the negative pin on the outside of a cable connector. Check the digital display to see the reading.
Test that the output is correct by reading the recommended output levels. Replace the power cable if the voltage output has a large variability.
Low Voltage:
Due to an error in power supply, not proper current can pass from the power supply and it causes a short circuit in the laptop.
A laptop requires a sufficient amount of current for charging so when not proper current converts into the socket of power, it causes a short circuit to the laptop.
Fix it:
By replacing a power supply, one can secure its laptop from short circuit.
Hardware devices cause short circuit:
A short circuit can also be caused by any defective hardware devices like floppy, USB, DVD, CVD or CD player hardware. Because this hardware might contain any virus that affects the circuit and short circuit can take place.
Fix it:
Use millimeter or an ohmmeter for testing of short circuits in the laptop. Put the positive pin inside of the power connector of the laptop. Put a negative pin on the outer metal part of the connector. Check the millimeter digital display. If reading is less than 3 ohms, it is an indication of a short circuit.
Remove devices like CD, DVD, and ROM, battery, Floppy or any other connected device to see if it is the cause of the short circuit.
Turn on the laptop without these devices to see either laptop starts or not.
Dust and improper placing:
Laptops should be placed on a neat and clean surface. A person should use a protector for its screen and its body that it can be protected from the dust. Because dust particle form clog into the laptop which can affect the circuit and short circuit can take place. You should always maintain a clean laptop.
The irregular placing of laptop or placing a weight on the laptop can cause short circuit and damage of the laptop. A laptop should place on the plain surface to protecting from the damage.
Fix it:
This problem can be solved by drying out the dust from the circuit by the dryer. Blow dry moves out the dust particles from the circuit.
How to prevent a laptop to short circuit?
there is some safety precaution to prevent from the short circuit:
 - While using laptop avoid the use of liquid or water near the laptop.
 - Avoid taking the coffee or tea during using a laptop but if you don't work without these things then take them with special care.
 - You can also use motherboard protector that if something is spat on the motherboard it will not cause the short circuit.
 - The power supply should be placed at a safe place that it could not breakdown or damage.
 - A laptop should be placed in its bag and power supply with it.
 - The laptop should be used in room temperature because high temperature can cause a short circuit. You can use a laptop without a battery.
 - Make sure that electricity supply is in range, and then connect the power supply with laptop otherwise short circuit can take place due to insufficient or high voltage.
 - A laptop should be placed out of the reach of kids.
 - Hardware devices should be installed in the laptop after rechecking that they are free from virus, these drives interrupt the circuit and shirt circuit takes place.
 - A laptop should place in a dry and clean surface.
 - Any weight gaining thing should not place on the laptop it damages the laptop and short circuit might be possible.
Final Words about Electrical Short Circuit in a Laptop
As we are talking about the short circuit of a laptop so I am sharing my story of laptop. We all know that load shedding and electrical fluctuations is a common problem from the last few years.
so 6 months ago my laptop was on charging and suddenly load shedding happens and I forget to remove my laptop from charging. Now, when the light comes it comes with high voltage power and it damages many electronics in the area.
Fortunately, only the laptop was on charging other appliances was not switched on, so when checking my laptop its power supply was not working.
High voltage damages my laptop charger by not my laptop because the laptop power supply contains a protector. whenever high voltage or improper voltage passes from it, it acts as a fuse and destroy itself and protect the laptop from the damage. So in this way, my laptop remains safe from a short circuit.
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How to Adjust Laptop Screen Size on TV?


Difference Between Video Conference And Telepresence
Difference Between Video Conference And Telepresence. In this article, you will read about what is video conference, what is telepresence, what is the main difference between video Conference and telepresence, and a comparison between video Conference vs telepresence.
Difference Between Video Conference And Telepresence:
The main difference between the video conference and telepresence is that the video conference is an online meeting between two or more people that can be from various countries in which there is the transmission of video and audio data. While, telepresence means the technology in which a person feels to be present in a specific different location, but in reality, it is not present there. Telepresence uses the technology of virtual reality.
What Is Video Conference?
Difference Between Video Conference And Telepresence - What is video conference
A video conference is an exchange of audio and video at the same time between a various number of people. As many numbers of people of various countries can join the video conference at the same time. Video conferencing is done with the help of computer networks of different people living in separate geographical states. In simple words, videoconference is a meeting of people in which audio-video data is transmitted and other various features like the transmission of text and images.
To do video conferencing, we have to use any video conferencing software or video calling application. We need an online network, microphone, speakers and a video camera for video calling. Many online meetings, training and educational classes are done through video conferencing.
What Is Telepresence?
Difference Between Video Conference And Telepresence - What is telepresence
Tele means 'distant' and presence means 'to be present on a spot'. It means to be present in your required location without being there. Telepresence is a technology called virtual reality and is more advanced than video conferencing. In this technology, a person feels to be present there, although he is in a different location. It is a sophisticated robotic remote control. With the help of this remote control, a person can get connected at a remote location. It can have video conferencing tools and other robotic installations for the conveyance of audio and video. Telepresence has better audio quality and video quality than telepresence.
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Also check: Difference Between VPN and Firewall


Koi Knives - Aussies playing with Japanese Steel
Petty Knives Australia
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Petty Knives Australia
Petty knives refer to small Japanese utility knives that are used for delicate or intricate work in the kitchen such as peeling or cutting small vegetables, herbs and fruits.
The Petty knife is the Japanese take on the western paring knife. It is also treated as a Japanese utility knife. In Japanese, the Petty knife is simply transliterated as 'Petti Naifu' in a nod to its Western provenance. It is a highly versatile knife that you can put into multiple uses in the kitchen. The Petty knife is generally larger than the western paring knife but it is smaller than the Japanese chef's knife, gyuto, and the western chef's knife.
It is a very convenient utility knife to have in your kitchen. They are small knives with lengths typically varying from 80mm to 180mm. The most common lengths for Petty knives are usually in the range of 120-150mm. As a multi-purpose utility knife, you can put the Petti Naifu into a number of uses. It can be used on vegetables, herbs, fish, chicken, and fruits. Here is a rundown of some of the most common questions that users typically ask about the Petty knife.
What is the Petty Knife?
The Petty Knife or Petti Naifu is a Japanese utility knife or paring knife for handling small and delicate tasks in the kitchen. It is smaller than the Gyuto and the Western chef's knife. In fact, some chefs treat the Petty knife as a smaller Gyuto knife. The knives derive their 'Petty' name from the French word 'petit' which means 'small' or 'little'.
In the kitchen, you can use this versatile multipurpose knife as an all-rounder to do all kinds of small kitchen tasks such as slicing, peeling, dicing, and mincing. You can also use Petty knives for trimming and peeling various small fruits as well as to cut herbs, vegetables, proteins, and garnishes.
Where does the Petty Knife Fit in Your Kitchen?
The Petty Knife is a utility knife so you can put it into a wide variety of small kitchen tasks thanks to its versatility and compact size. If you are looking for a reliable utility knife or a paring knife, you won't go wrong with the Petty knife.
How long is the Petty Knife?
The sizes of the Petty knives vary widely. The lengths of these Japanese utility knives range from 80mm to 180mm. The most common sizes for Petty knives which are suitable for most users lie in the range 120mm to 150mm and 80mm to 90mm clusters. The length of the blade that you choose will depend on what you want to use the knife for. If you are looking for a Petty knife for use in peeling smaller fruits and vegetables in your hand or doing some fine and intricate tip work on your chopping board, then size of 80 to 90mm would suffice.
If you have smaller hands and find the Gyuto knives unwieldy, you can use a larger Petty knife of sizes ranging from 120mm to 150mm as an alternative to the gyuto knife, an all-rounder for cutting everything from fish to boneless meat, vegetables, herbs, and fruits. The 120mm to 150mm Petty knives will also come in handy if you have a smaller workspace in your kitchen.
What is the typical spine width of the Petty Knife?
Like the other Japanese chef's knives, petty knives have thicker spines that taper off towards the edge. Typical spine widths can be 1.5mm which will taper off midway to the tip and is finally thinnest at the tip. Small spine thickness is particularly important in Petty knives as a thicker spine will feel dull when you are using this utility knife in tasks such as peeling fruits since more metal has to be pulled through the fruit being cut or peeled when the spine is thicker. You would want a slim spine width of at most 1.3mm or less to get the most efficient cuts with your Petty knife.
What is the blade profile of the Petty Knife like
The Petty knife shares a similar blade profile to the Gyuto chef's knife. It is no wonder that it is often regarded as a smaller version of the gyuto. The heel is taller and flatter and there is a slight curve towards the front edge of the blade that leads to the knife's pointed tip. The flatter heel of the Petty knife will suit different kinds of chopping styles including thrust-cutting. Their slight belly leading to the blade's tip can be used for fine rock-cutting actions. You can also make delicate cuts with the Petty knife's pointed tip.
What is the Petty Knife Best Suited for/What Does it Cut?
Like other utility knives, Petty knives are better suited for doing the smaller tasks in the kitchen like slicing or dicing your fruits and vegetables as well as herbs. You can also use them to do some light butchery work or to make the delicate and precision cuts.
The particular use-case will depend on the length of the Petty knife. The cluster of shorter Petty knives have lengths ranging from 80mm to 90mm and are perfect for peeling or paring your fruits and vegetables in hand. These shorter utility knives are also suited for off-board cutting as well as for making the fine and precise cuts on your chopping board like slicing herbs, garnishes, or brunoise cuts.
The larger cluster of Petty knives lies in the size range of 120mm to 150mm. It is in these slightly longer blade lengths where these knives are most versatile. Some professional chefs and home cooks regard these Japanese Knives as a miniature Gyuto chef's knives. Like the gyuto knives, the larger knives are multi-use knives that you can apply on different kinds of produce. They come in handy in tasks like filleting small fish, trimming meat, or to cut and dice fruits and vegetables. Petty knives can also be used for light butchery work. You will need Petty knives in a kitchen where there is little space and the knife's small and compact size will take up little space on your board and still provide you with a versatile knife that you can use on a variety of tasks.
What is the Petty Knife Not Suited For?
These are obviously small and delicate knives and are not suited for heavy-duty work in the kitchen. For that, you will need bigger kitchen knives.
What is the Petty Knife's Core Strengths?
The Petty knife is a versatile kitchen workhorse that is preferred by many line cooks working in professional kitchens due to its versatility and its small compact size.
Who Should Use the Petty Knife/Who Does this Knife Match/Does it Suit You?
Petty knives can be used by professional chefs looking for versatile utility knives or paring knives that are compact, sharp, and relatively lightweight. Petty knives take very little space and are generally used by line cooks and chefs in professional kitchens who leverage their versatility to perform various kitchen tasks.
Petty knives will work best for chefs and home cooks who: -
 - Have limited workspace
 - Need a smaller utility knife or paring knife which they can promptly use where the Western chef's knife or a gyuto knife would be unwieldy.
 - Have smaller hands and want a smaller and lightweight alternative to gyuto knives.
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text: Numerical studies discussing micro gas turbines (MGTs) as a basis for automotive range extenders can be found in literature. A comprehensive set of experimental measurement data for an MGT of adequate size, however, is currently not available. In this work, a test rig and demonstrator based on a 30 kWel liquid fueled MGT is built up. Its major components' performance is characterized by measuring temperature and pressure at inlet and outlet, as well as corresponding fuel and air flows and the exhaust gas composition. A compressor bleed air tapping is installed to characterize the turbo components' off-design behavior. Stationary load points and transient maneuvers are investigated. The presented data provide coherent information on the operational behavior and cycle parameters. This can be used to validate existing numerical investigations. It further provides a foundation to identify the optimization potential of MGT components and will serve as design baseline for subsequent optimization measures to meet the requirements of mobile applications.


Use multiple Ledger devices
The Ledger Live application can be used with multiple Ledger devices. You can either use multiple devices yourself or share a computer with multiple people each owning a device(s).
Add accounts from multiple devices
A Ledger device gives access to the crypto asset accounts associated with the 24-word recovery phrase it was configured with.
Devices with different recovery phrases
If you have set up multiple devices with different recovery phrases, each device controls a different set of accounts. In that case, follow these tips:
 - First, add the accounts linked to the first device, and repeat for your other device(s).
 - Name the accounts such as to know which device it belongs to, assuming that you've labeled the devices.
 - Always connect the device that controls the selected account when sending or receiving
Devices with the same recovery phrase
If you've set up one device and restored the same recovery phrase on another, both devices control the same accounts. In that case, both hardware wallets can be used interchangeably with Ledger Live. You can freely add accounts, as well as verify and sign transactions with either of the two devices.
Share a computer with multiple people
To share a computer with multiple owners of a Ledger device:
 - Add a user account in your operating system for each person.
 - Log in to your personal user account to use Ledger Live with your hardware wallet(s).
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- Main Menu
 - DSN (Data Source Name)
 A DSN (Data Source Name) is an identifier that is used to store information relating to a database connection. DSNs can store a database's name and server location, the directory that is used to store offline content, the database driver, and the user's ID and password. DSNs can be used for a wide variety of database applications, such as SQL databases and FTP connections.
 How DSN Works
 A DSN is simply a file that contains all information regarding a particular database. DSNs allow the user to quickly connect to a specific database without having to re-enter its information every time. Like a Notepad document, a DSN stores text-based information, but is also able to automatically fill in the database's information when the user launches an appropriate database client. While DSNs are usually stored in the Windows Registry, they can also be stored in configurations files belonging to a specific database client that ends in a ".dsn" extension.
 DSNs have a wide variety of applications and can be used on both server-side and client-side programs, but are most often used for the latter. In addition to the user's information and database's location, a DSN can also store information relating the database's permissions and may allow the user to change the database's permissions by being integrated with the user's database client. Likewise, the user may be able to change information in a DSN by changing the appropriate factors in the database client.
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When making stuffed pasta, the pasta dough should be rolled thinner than when making other pasta because the stuffed pasta requires two layers. Using thinner layers will prevent the edges of the stuffed pasta from becoming too thick. The pasta dough for stuffed pastas should not be allowed to dry before beginning the preparation process. It is best to have the pasta moist so that the layers will stick together better when sealed.
- Fillings can be as simple as one or two ingredients to several ingredients used in special recipes. Ingredients, such as meats, fish, cheese, vegetables, and herbs, are used in preparing fillings for stuffed pastas. It is common for eggs to be used in fillings to bind ingredients together.
- The filling used should be as free of moisture as possible to prevent the pasta from becoming soggy. Remove as much moisture as possible from all ingredients before mixing together.
- If using a moist filling, do not let the pasta set too long before cooking because the moisture from the filling may cause the pasta to stick to the surface where it has been placed.
- Be sure the filling is completely prepared before starting to work with the pasta so the pasta does not dry out while you are preparing the filling.
- When adding filling to pasta, do not over fill because too much filling will not allow enough room for the edges to seal properly.


Omu Tou Recipe| Ghanaian Cuisine
Omu Tuo is a Ghanaian delicacy that is usually prepared with rice. But one thing that makes it unique from any other regular rice dish is its preparation process. Typically, the rice is prepared until it's soft and then pounded to form sticky balls. When pounded, you may mistake them for Ugali.
The dish goes well with soups like peanut stew, groundnut soup, or palm nut soup. Although Omu Tuo is common among the Hausa people, it has spread to other parts of Ghana and beyond.
Today, we will walk you through the recipe and all that you need to prepare yours. But before then, let us have an overview of Ghanaian culture.
Ghana Culture
Ghana is home to over 100 ethnic groups with the Akans, Ewes, Gas, and Moshi-Dagbanis being the largest tribes. Just like its ethnic groups, its culture is very diverse. Though some groups may share some cultural practices, each tribe has its practices, which sets them apart from others.
Maintaining honor, dignity, and a good reputation is crucial to the Ghanaians. The society maintains harmony regardless of their cultural and religious differences which makes their culture one.
Society treats people according to their age, position, wealth, and experience. Elderly people are accorded due respect and viewed as more wiser. Younger people go for advice from the elders and involve them in decision-making.
Dining Etiquette
Ghanaians are very welcoming and love sharing. During meals, dining etiquette is followed to the letter. When invited to a Ghanaian home, you are expected to leave your shoes outside. Getting yourself a seat or choosing where to sit is a sign of disrespect to the hosts. Always be patient and wait for the host to usher you in and show you where to sit.
Food is usually served in a communal bowl, and you are only allowed to begin eating from the front part. Before serving the meal, a basin of water is brought for everyone to wash their hands. After washing hands, you should wait until the male elders start enjoying their food.
In Ghana, you are not allowed to sit until you are shown where to sit Click To Tweet
Now, let's switch our focus to our Omu Tou recipe.
Serves: 2
Dish: side dish
Cuisine: Ghana
A cup of white long-rice
2 cups of water
½ teaspoon of salt
2 tbs butter
 1. Wash and rinse the rice to remove excess starch. The step is optional since the starch is required to improve the stickiness of the rice.
 2. Add water in a cooking pot and bring it to boil. Add butter and salt and cook it until the rice is soft. To achieve this, you need to lower the temperature of your heat-source to ensure the rice slowly boils until all the water is absorbed.
 3. Use a wooden spoon to pound the rice. Turn the rice to one side of the pot then to the other. Do this repeatedly until the rice is mushy.
 4. Serve by putting in a wet bowl and swirling until the bowl is formed.
 5. Serve with peanut soup stew or any soup of your choice
Note: To enjoy the meal, you need to ensure that the ratio of water, salt is perfect. You can also incorporate your favorite spices to enhance the taste.
If you love this Omu Tou recipe, you may also like:
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Resource centre > News > New International Declaration for Ecological Restoration by Botanic Gardens
New International Declaration for Ecological Restoration by Botanic Gardens
11th April 2011
Above: Habitat recovery of scrub thorn vegetation in the Soan Valley, Punjab Province, Pakistan (March 2011). Planted seedlings of Acacia modesta and Olea ferruginea are protected with branches of Dodonea viscosa. A joint project of Government College University Lahore, Pakistan, and BGCI.
The Botanic Gardens Ecological Restoration Initiative ('The New York Declaration') was agreed by eleven organisations at a meeting in New York, USA in March 2011.
'Terrestrial ecosystems are being degraded and used unsustainably worldwide and are at risk of further degradation or imminent loss. Forty percent of the world's forests have been completely destroyed and much of what is left is fragmented. In many of the more seriously affected places, remaining habitats are not adequate for biodiversity conservation nor can they provide key ecosystem goods and services that supply fundamental economic benefits and contribute to poverty alleviation.'
The Declaration ends with a pledge to 'develop a global alliance of botanic gardens for ecological restoration with ambitious long term goals'.
Botanic Gardens Conservation International
Read the full text of The Botanic Gardens Ecological Restoration Initiative (PDF)
All botanic gardens that are interested in working together on ecological restoration are invited to contact Sara Oldfield at BGCI (_EMAIL_).
Read more about the joint ecological restoration project of Government College University Lahore, Pakistan, and BGCI.
10th May 2013
1st May 2013
26th April 2013
25th April 2013
23rd April 2013


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Nexx X.R3R Zero Pro Carbon Red Helmet
Click Image for Gallery
Loaded with below features;
- In motorcycle racing, speed is the key and aerodynamics play a critical role – as that extra kilometer per hour could mean the difference between winning and losing.
- Aerodynamically optimized X.R3R lightweight shell design not only reduces the air resistance but also optimizes the air mass flow for cooling the interior.
- Considerable effort has been made to improve the aerodynamic efficiency of the X.R3R's shell, visor, spoilers and vents design.
- The need for good design in the field of aerodynamics requires a wind tunnel design.
- However, testing begins virtually on the PC, with virtual CFD (Computational Fluid Dynamics) analysis, which allow for better and more informed decisions.
- These results are then supported by tests in a wind tunnel, on a 1: 1 scale with a motorcycle and road tests, which validate the aerodynamic performance of the helmet in various angles and riding positions.


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Why Does Copper Turn Green?
Copper turns green because of chemical reactions with the elements.
For the same reason that iron rusts.
Just as iron that is left unprotected in open air will corrode and form a flaky orange-red outer layer, copper that is exposed to the elements undergoes a series of chemical reactions that give the shiny metal a pale green outer layer called a patina.
The patina actually protects the copper below the surface from further corrosion, making it a good water-proofing material for roofs (which is why the roofs of so many old buildings are bright green).
In fact, the weathering and oxidation of the Statue of Liberty's copper skin has amounted to just.005 of an inch over the last century, according to the Copper Development Association.
MORE FROM LiveScience.com


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Hardware architecture for popcount
Source of Publication
WSEAS Transactions on Computers
Bit-counting implementations are used to count the number of "1's" in a given computer word. There are several techniques to implement bit-counting operation. These techniques are either software algorithms or specialized hardware techniques. The hardware implementations require dedicated hardware supported in the processor or associated math co-processor. The performance of the hardware-supported bit-counting was found to be superior to most software implementations (such as serial shifting). In this paper, a new hardware implementation of bit-counting routine is presented that reduces the number of logic gates and the delay in comparison with existing implementations. The performance of the proposed hardware bit-counting implementations is further investigated and evaluated.
El-Qawasmeh, Eyas; Tubaishat, Abdallah; Baba, Sami; and Dalalah, Ahmed, "Hardware architecture for popcount" (2006). Scopus Indexed Articles. 2439.


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Indian Spring Hotel/Museum
Open for tours on weekends from Memorial Day to Labor Day. The Indian Spring Hotel was built in 1823 as an Inn by Chief William McIntosh and his cousin, Joel Bailey, who also operated it. In 1825, a two-story addition was built. The addition included the Tavern known as the Treaty Room and a large ballroom above it.
The hotel is unique and extremely significant to the history of the State of Georgia. It is the only known ante-bellum mineral springs hotel in Georgia still standing. It's history yields much data on the culture, society, and architecture of Georgia throughout the 19th century. The Federal style architecture, hand-planed wide boards, wooden pegs, and handmade bricks clearly indicate an early 19th century construction date. The foundation was made of native stone. The alcove in the wall, where the treaty was signed remains intact.
Indians had been coming to the Spring for many decades prior to 1800. They believed in the medical qualities of the water. No permanent structures were built near the waters due to the fear that crying children and talking women would scare the "healing spirits" away from the waters. However, William McIntosh built a cabin here in 1800.


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Gas turbine air intake filter media request higher efficiency due to working environment and conditions,so nano superfine fiber is necessary during production to increase filter media performance.
This filter media is applied to the air intake filter of gas turbine. It will filtrate the dust and impurities when air goes through media to enter in compression room. Its filtration function keeps clean air to be supplied, which assures that gas turbine generator maintains safe and smooth operation. If the filtration precision is not high, the dirt will pass and stick on compressor blades, accordingly, washing times is increased to clear blades. Thus the generator set will consume more energy but output less electricity. Besides, the dust particles easily cause blockage at air intake and come into collision with compressor blades, which will seriously affect the performance and safety of generator set, shorten its lifetime. Therefore, high quality filter media is especially important to apply in the gas turbine air filters.


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According to folklore, you can predict the weather with a persimmon seed. Here's how to do it:
Cut open a persimmon seed. (Find persimmon fruit in your supermarket. It should be locally-grown to reflect your weather.)
Look at the shape of the kernel inside.
- If the kernel is spoon-shaped, lots of heavy, wet snow will fall. Spoon = shovel!
- If it is fork-shaped, you can expect powdery, light snow and a mild winter.
- If the kernel is knife-shaped, expect to be "cut" by icy, cutting winds.
It's best to use ripe seeds.
That's it! Now, what did you see?


Learn That Word
Synonyms for Ravenala (same or very similar meaning)
WordNet sense 1 (giant treelike plant having edible nuts and leafstalks that yield a refreshing drink of clear watery sap; reputedly an emergency source of water for travelers):
traveler's tree, Ravenala madagascariensis, traveller's tree
From the ODE community, based on WordNetadd/edit


Harry Potter Wiki
Troll Bridge
Revision as of 03:50, June 19, 2013 by ProfessorTofty (Talk | contribs)
12,158pages on
this wiki
Troll Bridge
Troll Bridge
Location information
Forbidden Forest, Hogwarts Castle Grounds, Scotland, Great Britain
Permanent residents
Trolls (likely)
The Troll Bridge is a location in the Forbidden Forest near the grounds of Hogwarts School of Witchcraft and Wizardry. The bridge itself was actually a tree that was used to cross a small gap with sand, usually used by trolls. A book in the Founders' Tower of the Hogwarts Castle contained a picture of this bridge.[1]
Behind the scenes
 - This bridge may be a reference to Three Billy Goats Gruff, which features a fearsome troll that lives under a bridge and likely popularised the idea of trolls being associated with bridges.
Notes and references
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Makaryev Fair (Russian: Макарьевская ярмарка) was a fair in Russia held annually every July near Makaryev Monastery on the left bank of the Volga River from the mid-16th century to 1816. Following a massive fire in 1816, it was moved to Nizhny Novgorod, but for some decades thereafter it still was commonly referred to as Makariev Fair. It attracted many foreign merchants from India, Iran, and Central Asia.
This fair was a commerce centre to sell up to half the total production of export goods in Russia. The fair ceased in 1929. A society named Nizhegorodskaya yarmarka (Russian: Нижегородская ярмарка, Nizhny Novgorod fair) was created in 1991 with its headquarters in the former main fair building. However, today it is not actually a fair, but an exhibition center.
- Munro-Butler-Johnstone, Henry Alexander, A trip up the Volga to the fair of Nijni-Novgorod, Oxford: J. Parker and co., 1876.
- Fitzpatrick, Anne Lincoln, The Great Russian Fair: Nizhnii Novgorod, 1840-90, Houndmills, Basingstoke, Hampshire: Macmillan, in association with St. Antony's College, Oxford, 1990. ISBN 0-333-42437-9
- Jules Verne, "Michael Strogoff: The Courier of the Czar" — This historical novel contains an interesting description of the fair at Nizhny Novgorod.
|Wikimedia Commons has media related to: Nizhny Novgorod Fair|


Quick Answer: Does Tile Adhesive Colour Matter?
How long after adhesive can I grout?
24 hoursYou should wait at least 24 hours before grouting the tiles.
Don't be fooled by this.
Can I use tile adhesive instead of mortar?
Which cement is best for floor tiles?
but OPC 53 cement have high strength comparison to 43 grade of cement but it is used in RCC work. For tile fixing like flooring tile and wall tiles I recommended go through the use of 43 grade of cement.
Does ready mixed tile adhesive go off?
The shelf life on tile adhesives is usually around 6-12 months, depending on the type of adhesive you are using (ready-mixed or powder). … The reason adhesive has a shelf life is because it might begin to set over time (whether opened or not).
What is the best tile adhesive for large tiles?
Simple! choose a good quality powdered adhesive, preferably a polymer modified one such as granfix fastset flexible. To explain the advice above consider that in general, tile adhesive can be split into 2 types; ready mixed and powdered.
What is the difference between white and GREY tile adhesive?
For this reason white tile adhesive is usually used for fixing wall tiles, as it's more often than not subsequently grouted in a light colour. Using a grey mortar, with possible contaminants, is liable to cause unsightly discolouration to either the porous natural stone or the grouting itself.
How thick should the tile adhesive be?
1. Apply the adhesive to the surface with an appropriate notch trowel: as a general guide use a 6mm notch trowel to achieve a 1mm bed thickness for walls; 10mm notch to achieve an approximate 1.5mm bed thickness for concrete floors; 12mm notch trowel to achieve a 2.5mm bed thickness for timber floors.
Can you put adhesive on tile?
Try not to work on more than one square metre at a time, as the adhesive could start hardening before you've put all the tiles in place. Choose a suitable tile adhesive for your tiles: for ceramic tiles use a ready-mixed tile adhesive or powder adhesive and a powder tile adhesive for porcelain tiles.
What is the difference between tile adhesive and grout?
Tile adhesive and grout is used for bonding and sealing tiles. Tile adhesive is applied first to fix tiles to wall or floor surfaces. Grout, also known as grout sealer, is applied afterwards to fill in gaps and seal tiles by affectively forming a fluid concrete.
Can we mix cement with tile adhesive?
Cement can be used as an adhesive and is used as a base material in many commercial tile adhesive products. Tiles can be laid bonded with adhesive, so cement can be used, however mixing cement and adhesive, as implied in the question, is a matter of trial and error and has questionable merit.
Which adhesive is best for tiles?
MYK LATICRETEMYK LATICRETE® Tile Adhesive is a factory made cementitious dry powder which is mixed with water or special liquid additive to form a paste, providing problem-free, full bedding tile/stone installation. MYK LATICRETE® thin-set adhesives have high bonding strength allowing the tiles to directly fixed to the substrate.
Can I use tile adhesive to level floor?
Thick Bed FlexiRapid is a pourable and flexible rapid setting cement based floor tile adhesive. … It is ideal for fixing tiles of uneven thicknesses, for fixing to uneven surfaces and it can also be used to level uneven floors.
Should you wet tiles before laying?
Why Tiles Are Soaked In Water Before Installation The purpose of soaking tile before laying is to make the pores fully absorb water, so as not to cause hollowing, shedding, or even cracks. … Especially for the wall paving, before the wall tiles laying, it is necessary to sprinkle water on the wall.
How long does tile adhesive take to set?
approximately 24 hoursTile adhesive dries in a way that is very similar to concrete. The substance starts out as a powder and then, when mixed with water, it becomes a substance with a thick consistency. Under normal circumstances, you will need to let it dry for approximately 24 hours after installation before you can walk on the tile.
What is the difference between floor adhesive and wall adhesive?
Although it has worked well for some people, the real answer to this question is no. Unlike floor tile adhesives, you can only use wall tile adhesives for holding tiles on a vertical surface. The floor tile adhesive is strong and can withstand horizontal pressure as people move.
What adhesive will stick to ceramic tile?
Is ready mixed tile adhesive any good?
Ready-mixed is generally easier to use, but it has limitations attached to it. Here at Dunlop, we would never recommend using a ready-mixed product when using porcelain, large-format tiles and tiling floors, or wet areas.
Which is better tile adhesive or cement?
Laying tiles by using tile adhesive with notched trowel requires less amount of material. Adhesive layer is a lot thinner than the mixture of sand-cement, and this leads to lighter load to building structure. A bag of 20 kg tile adhesive can be used to lay tiles on the average area of 4 – 5 m2.
Can I use adhesive instead of grout?
Dispersion adhesive will not be fine used as a grout it will let water pass through it and offer no resistance. the water will then pass in to the sub-straight and start to damage it. if you leave it uncorrected in 6 months time you will have big problems so remove the adhesive and use grout.
Can you lay tile and grout in the same day?
You should wait at least 24 hours before grouting the tiles. You may notice that the edges of the thinset or the thinset showing through the grout lines looks dry. The thinset under the tiles isn't receiving as much air as the edges and is therefor not fully cured.


Tignon Laws Forced Black Women To Cover Their Hair
historical landmarks | July 25, 2020
A Caribbean woman wearing a tignon. (Getty Images)
Black women often face discrimination and hardship on account of their "distracting" hair, and it turns out it's been happening since their earliest days in the U.S. While today, black hair is considered as fashionable as it is "unprofessional," there was a time when lawmakers forced black women to literally keep their hair under wraps.
Free Women of Color with their Children and Servants, oil painting by Agostino Brunias, Dominica, c. 1764–1796. (Agostino Brunias/Wikimedia Commons)
Down In New Orleans
New Orleans in the 1700s was a wildly diverse place, with settlers from France and Spain mingling with the Creole population as well as people of African and Caribbean descent. Every group brought the fashion of their culture with them, from the elaborate baroque dresses of France to the intricate braids, beads, and gems with which black women from all regions adorned their hair. This diversity didn't necessarily lead to equality, however. Just because many black Louisianans had earned enough money to buy their freedom didn't mean the balance of power didn't shift disproportionately toward white settlers, and white women—whose hair was usually ill-suited to such fanciful displays—weren't happy about being outshined by their black neighbors in that department.
Governor Esteban Rodriguez Miro. (Unknown artist/Wikimedia Commons)
An Appeal To The Governor
Eventually, the white women of Louisiana were so fed up with their beautiful black neighbors that they petitioned the governor to legally enforce their plainness, insisting that these evil "exotic" women were intentionally scheming to tempt white women's husbands away from them with their advanced cosmetology skills. That may not seem like a legal problem, but Governor Esteban Rodriguez Miro, committed to taking (some of) his people's demands seriously, agreed to take action. The resulting legislature became known as the Tignon Laws.
A tignon was meant to hide the wearer's hair. (The Louisiana Library Network/Wikimedia Commons)
The Tignon Laws
In 1786, Governor Esteban Rodriguez Miro enacted a law requiring black women in New Orleans to wear a tignon, a type of headdress or scarf, that completely concealed their hair. The law's purpose was twofold: It supposedly prevented black women from enticing white men with their hair, but it also served as a social indicator. Light-skinned black women who dressed extravagantly were often mistaken for white European women, and they couldn't have that.
Tignon Laws lasted until the early 1800s. (Yale Center for British Art/Wikimedia Commons)
A Tignon Fashion Statement
Long accustomed to making the best of a bad situation, the African, Caribbean, and Creole women of Louisiana turned the oppressive Tignon Laws into an opportunity to further display their cultural pride. They crafted their tignons out of colorful, luxurious fabrics and added jewels, ribbons, and flowers to turn the headdresses into bold statement pieces.
Some women still wear tignons today. (Tosha Noakes/Pexels)
The Decline And Rebirth Of Tignons
By the early 1800s, the Louisiana Tignon Laws were no longer enforced, and black women were more than ready to cast off their oppressive accessories. A century and a half later, however, tignons have experienced a rebirth. The tignons of today—available in a variety of styles, fabrics, and patterns—can be the crowning jewel of an elegant outfit.
Tags: 1700s | fashion | New Orleans | racism
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text:
The effect of wind speed fluctuations on the performance of a wind-powered membrane system for brackish water desalination
Park, Gavin L.
Richards, Bryce S.
MetadataShow full item record
A wind-powered reverse osmosis membrane (wind-membrane) system without energy storage was tested using synthetic brackish water (2750 and 5500 mg/L NaCl) over a range of simulated wind speeds under both steady-state and fluctuating conditions. The parameters varied were: i) average wind speed from 3.7 (system start-up) to 8.7 m/s; ii) wind turbulence intensity from 0.0 (steady-state conditions) to 0.6 (extreme fluctuations); and iii) period of oscillation from 15 to 90 s. With a feed water of 2750 mg/L NaCl, the wind-membrane system produced good-quality permeate (<600 mg/L) over the full range of wind speeds and fluctuations. The system performance (in terms of permeate flux and NaCl concentration) at average wind speeds of 7.0 m/s or more was unaffected by fluctuations up to a turbulence intensity of 0.4 and was independent of the period of fluctuation within this operating range. With a feed water of 5500 mg/L NaCl an average wind speed of 7.0 m/s or more was required to produce adequate-quality permeate (<1000 mg/L) under fluctuating conditions. It is concluded that this wind-membrane system can be operated within a safe operating window with large power fluctuations, but further control strategies are required to deal with intermittent operation, especially with higher salinity feed waters.


artificialrobot / tags / atxplained
Tagged with "atxplained" (5)
 1. Austin's Population Is Booming. Why Is Its African American Population Shrinking?
 Last month KUT asked our audience to suggest stories they wanted us to report on. The story that listeners chose is about Austin's African American population. Specifically, why is it shrinking, while every other group in the city grows? In the first installment of a project we're calling ATXplained, KUT's Mose Buchele reports.
 —Huffduffed by artificialrobot


text:
noun, plural: repellents
(2) A remedy that eases swellings
(3) A waterproofing treatment, as in fabrics
(1) Causing to repel or resist
(2) Tending to ward off
(3) Being resistant (to something)
Animal repellents are available as natural or synthetic agents to repel animals. An insect repellent works by ways that drives away insects (e.g. through a scent). Examples of insect repellents include permethrin, neem oil, DEET, and certain essential oils. Other insect repellents may be in the form of a high frequency sound that is not audible to human ears. For natural repellents, an example is animal urine. Fox urine is claimed to repel rabbits, squirrels, etc.
Word origin: From Latin repellens


text:
You have a crjewelryeautiful piece of jewellery with transparent resin, but you're worried that it might turn yellow over time.
How can you prevent that? This is a question I'm asked a lot by people who are starting out in resin jewelry making, so I'll answer it here in detail.
Here's everything you need to know about keeping your clear epoxy from turning yellow and looking like old cheese:
How do you keep transparent resin from turning yellow?
- Wash your hands, the resin container, and all tools with soap and warm water before you begin. A clean workspace is a great way to start.
- Cure the resin under UV light to clear it as soon as possible after pouring.
Does transparent resin yellow?
The answer is yes and no. It depends on what type of resin you're using and whether or not you use a UV light when curing it.
- If the clear resin you're using has a blue colorant in it, then no matter what, it'll turn yellow over time. This is because the yellowing occurs as a result of exposure to sunlight (both natural sunlight and artificial UV lights).
How do you clean transparent resin?
- Use a toothbrush and soap.
- Use a toothbrush and baking soda.
- Use a toothbrush and vinegar.
- Use a toothbrush and lemon juice.
- Use a toothbrush and hydrogen peroxide (3% solution).
- Use a toothbrush and rubbing alcohol (isopropyl or 70% solution).
- You can also use: water, salt, baking powder or baking soda, and dishwashing liquid with bleach added (1 part bleach to 4 parts dishwashing liquid)
Can you print clear resin?
Yes, you can print with clear resin.
There are three main types of 3D printers that can be used to print in clear resin: SLA printers, DLP printers, and resin printers. Each type has its own pros and cons but they all work similarly enough to be explained in one article!
What resin does not turn yellow?
You can prevent yellowing in resins that have a low viscosity and are exposed to UV light. This includes polyester, epoxy, and polyurethane resins.
Polyester resin is a common clear resin with good clarity and impact strength that doesn't yellow when exposed to direct sunlight; however, it will yellow over time in indirect sunlight (think of the sun through clouds).
Epoxy resin is another common clear resin with good clarity, but it's more expensive than polyester resins and also yellowed when exposed to direct sunlight (and indirect).
Polyurethane is another type of clear resin that doesn't turn yellow when exposed directly or indirectly
Why is my epoxy turning yellow?
If your epoxy is turning yellow, it's not because of the resin. If it were, the whole batch would be affected, and that's not usually the case. Here are some of the most common reasons why epoxies turn yellow:
- Your vinyl has a UV inhibitor in it, so when exposed to sunlight or even fluorescent bulbs (which emit UV radiation), your resin will turn yellow over time as a result of this pigment. If you see this happening in just one area of your project, then it may be that only that particular piece was laminated with a vinyl-containing inhibitor. In most cases though, if there's anything at all on hand that can prevent this from happening then use it!
- You used a base coat for your project rather than just dipping into a clear coat or brushing on clear paint alone because… well… why would you do that? Anyway – back up! You've got yourself an entire "tinting" issue going here which can easily be solved by switching out colors again to something more appropriate like black instead of blue or red instead of orange etcetera…
How long before resin turns yellow?
It depends on a few things:
- The resin itself. Some resins are more yellowing than others. If you're using a particularly yellowing resin, it will probably turn a more golden color faster than other types of resin would.
- The cure time and temperature of your curing process. If you're using an oven or heat gun to cure your resin, the higher the temperature and longer the exposure time (i.e., how long it takes to get from room temperature to full cure), the greater chance that any impurities in your clear resin will start reacting with one another as they come together during the thermal bonding process, which can result in discoloration over time (this also applies when drying out too slowly). This is why it's so important to use quality materials when making jewelry pieces!
- Whether or not there are any impurities present inside your mix before its cured state comes about; if so then this would mean that these particles will actually cause direct damage to them once they reach their hardened state through thermal bonding processes during curing times for example when using an oven or heat gun technique methodologies like those listed above."
How do you polish resin by hand?
- Use microfiber cloths. Microfiber cloths are very effective at removing fingerprints and dust from resin, particularly if they're dampened with water first.
- Use polishing compounds. Compounds are used to help remove stubborn dirt or stains from resin items that have been stained by food or drink spills in the past, as well as other substances such as ink and grease. They can be applied using a buffing wheel on your electric drill if you want to go all out; otherwise, it can also work well with a soft rag or cloth by hand (but make sure not to get any residue on any part of your body).
- Use buffing pads when needed for hard-to-remove stains like lipstick marks or grease stains from cooking utensils like spatulas (they won't work for everything). These can be found at most hardware stores such as Home Depot—they look like dish scrubbers with loops of metal wire sticking out between each loop instead of foam padding—and sometimes come included with kits sold specifically targeted toward cleaning up after working with acrylic paints so keep an eye out!
In conclusion, keeping transparent resin from yellowing is a bit of a balancing act. If you want to maintain the integrity of your work and prevent it from becoming discolored over time, then follow these simple tips: don't let your resin sit for too long in direct sunlight or leave it out in extreme temperatures (like heat/cold).