Sherlock Holmes' Most Difficult Math Problem: Bicycle Tracks
A bicycle leaves two different types of tracks behind, belonging to two different types of tires. One must belong to the front tire, and the other to the rear.
The tires of a bicycle are independent of each other. Due to a bicycle's design, the front and rear tires are always in tandem with each other at a fixed distance and move in conjunction with each other. | Source: Mathematical Impressions: Bicycle Tracks by Simon Foundations
When you laterally move the chain to which the watch was attached in either direction, the watch follow the path of the chain and get ever closer but never quite reach where the chain is.
Asymptotic | Louie Zong's love song, with math puns!
*** The Latin root word "trac" means to pull, as in the word "tractor." [Source]
Newton's tractrix formula.
The distance from the top point of the tractrix to the asymptote and the length of any tangent line from any point on the tractrix to the asymptote are always the same.
The wheelbase is the horizontal distance between the centers of the front and rear wheels. | Wikipedia
The tire with the smaller amplitude would have to belong to the rear tire. Source: Mathematical Impressions: Bicycle Tracks by Simon Foundations
Upon selecting a few random points from the rear tire's tracks and drawing tangent lines in a particular direction that reached those of the front tire, all tangent lines had to be of equal length. That would show that the bicycle had taken the direction of the tangent lines. However, if the tangent lines were of unequal length, it would mean that the bicycle had taken a direction opposite of the tangent lines drawn from the rear tire to the front.
If someone were skilled enough to turn a bicycle in a perfect circle, then the bike would leave tracks of two perfect circles on the ground. But of course, the smaller of the two circles would undoubtedly belong to the rear tire. However, because the circle is perfectly symmetrical, it would be impossible to distinguish whether the bicycle was turning clockwise or counterclockwise.
Drawing tangent lines to decide the direction of a bicycle.
*** When you apply this method in the real world, you may notice that the rear tire does not always precisely follow the tractrix. This is because bicycles do not always have the same wheelbase. There are many types of bicycles; some are for racing, and some are for leisure. That results in differences in the design of their frames.Designers usually emplace the front fork and axle on a bicycle with great care and precision regarding its angle. The slightest change in the design can result in apparent differences in the bicycle's continuity and wheelbase when turning or leaning.Though simple mathematical models such as this one often omit such real-world factors and considerations, they still offer us greater insight into how such principles work
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Student Thesaurus
One entry found for talkative.
Entry Word: talkative
Function: adjective
Text: fond of talking or conversation
Synonyms chatty, conversational, gabby, garrulous, loquacious, talky
Related Words communicative, expansive; demonstrative, effusive, gushing; outspoken, unreserved, vocal; articulate, fluent, glib, voluble; blabby, gossipy, talebearing; long-winded, prolix, verbose, windy, wordy; extroverted (also extraverted), gregarious, outgoing, sociable
Near Antonyms quiet, shy; mum, mute, silent, speechless, tongue-tied, wordless; evasive, nonvocal, secretive, self-contained, uncommunicative; aloof, introverted, unsociable, withdrawn
Antonyms closemouthed, laconic, reserved, reticent, taciturn, tight-lipped


Degree symbol
The degree symbol or degree sign, °, is a typographical symbol that is used, among other things, to represent degrees of arc (e.g. in geographic coordinate systems), hours (in the medical field), degrees of temperature, alcohol proof, or diminished quality in musical harmony.[1] The symbol consists of a small raised circle, historically a zero glyph.
Degree symbol
In UnicodeU+00B0 ° DEGREE SIGN (HTML ° · °)
Different from
The first known recorded modern use of the degree symbol in mathematics is from 1657[2] where the usage seems to show that the symbol is a small raised zero, to match the prime symbol notation of sexagesimal subdivisions of degree such as minute , second , and third , which originate as small raised Roman numerals.[citation needed]
In the case of degrees of angular arc, the degree symbol follows the number without any intervening space, e.g. 30°. The addition of minute and second of arc follows the degree units, with intervening spaces (optionally, non-breaking space) between the sexagesimal degree subdivisions but no spaces between the numbers and units, for example 30° 12′ 5″.
In the case of degrees of temperature, three scientific and engineering standards bodies (the International Bureau of Weights and Measures, the International Organization for Standardization and the U.S. Government Printing Office) prescribe printing temperatures with a space between the number and the degree symbol, e.g. 10 °C.[3][4] However, in many works with professional typesetting, including scientific works published by the University of Chicago Press or Oxford University Press, the degree symbol is printed with no spaces between the number, the symbol, and the Latin letters "C" or "F" representing Celsius or Fahrenheit, respectively, e.g. 10°C.[5][6] This is also the practice of the University Corporation for Atmospheric Research, which operates the National Center for Atmospheric Research.[7]
Use of the degree symbol to refer to temperatures measured in kelvins (symbol: K) was abolished in 1967 by the 13th General Conference on Weights and Measures (CGPM). Therefore, the triple point of water, for instance, is written simply as 273.16 K. The name of the SI unit of temperature is now "kelvin", in lower case, and no longer "degrees Kelvin".
In photography, the symbol is used to denote logarithmic film speed grades. In this usage, it follows the number without spacing as in 21° DIN, 5° ASA or ISO 100/21°.
The degree symbol is included in Unicode as U+00B0 ° DEGREE SIGN (HTML ° · °).
For use with Chinese characters there are also code points for U+2103 DEGREE CELSIUS (HTML ℃) and U+2109 DEGREE FAHRENHEIT (HTML ℉).
The degree sign was missing from the basic 7-bit ASCII set of 1963, but in 1987 the ISO/IEC 8859 standard introduced it at position 0xB0 (176 decimal) in all variants except Part 5 (Cyrillic), 6 (Arabic), 7 (Greek) and 11 (Thai). In 1991 the Unicode standard incorporated all of the ISO/IEC 8859 code points, including the degree sign (at U+00B0)..
The Windows Code Page 1252 was also an extension of ISO/IEC 8859-1 (Part 1 or Latin-1) standard, so it had the degree sign at the same code point, 0xB0. The code point in the older DOS Code Page 437 was 0xF8 (248 decimal); therefore, the Alt code used to enter the symbol directly from the keyboard is Alt+248.
The degree symbol can be used in Arduino[8] LCD program by using the code line: lcd.print((char)223); =
Other characters with similar appearance but different meanings include:
Keyboard entryEdit
Some computer keyboard layouts, such as the QWERTY layout as used in Italy, the QWERTZ layout as used in Germany, Austria and Switzerland, and the AZERTY layout as used in France and Belgium, have the degree symbol available directly on a key. But the common keyboard layouts in English-speaking countries do not include the degree sign, which then has to be input some other way. The method of inputting depends on the operating system being used.
On the Colemak keyboard layout (Windows/Mac), one can press AltGr+\ followed by D to insert a degree sign. On Linux, one can press AltGr+K twice to insert a degree sign.
Desktop OSEdit
With Microsoft Windows, there are several ways to make the degree symbol:
 - One can type Alt+248 or Alt+0176
 Note: "0176" is different from "176"; Alt+176 produces the light shade (░) character.
 Note: The NumLock must be set first; on full size keyboards, the numeric keypad must be used; on laptops without a numerical keypad, the virtual numeric keypad must be used (often requiring that the Fn key be held down as the numeric sequence is typed).
 - The Character Map tool also may be used to obtain a graphical menu of symbols.
 - The US-International English keyboard layout creates the degree symbol with AltGr+⇧ Shift+;
In the classic Mac OS and macOS operating systems, the degree symbol can be entered by typing Opt+⇧ Shift+8. One can also use the Mac OS character palette,[9] which is available in many programs by selecting Special Characters from the Edit Menu, or from the 'Input Menu' (flag) icon on the menu bar (enabled in the International section of the System Preferences).[10][dead link]
In Linux operating systems such as Ubuntu, this symbol may be entered via the Compose key followed by o, o. Some keyboard layouts display this symbol upon pressing AltGr+⇧ Shift+0 (once or twice, depending on specific keyboard layout), and, in programs created by GTK+, one can enter Unicode characters in any text entry field by first pressing Ctrl+Shift+U+Unicode code point, regardless of keyboard layout. For the degree symbol, this is done by entering Ctrl+⇧ Shift+U B0 (where the last key is the number zero) followed by a space.
For Chrome OS, use the Unicode entry method Ctrl+⇧ Shift+U then 00B0 then space or return; with the UK extended layout, use AltGr+⇧ Shift+0.
Mobile OSEdit
In iOS, the degree symbol is accessed by pressing and holding 0 and dragging a finger to the degree symbol. This procedure is the same as entering diacritics on other characters.
In Android, switch to numbers?123 then symbols =\<. The degrees symbol is found on the second row.
In Microsoft Office and similar programs, there is often also an Insert menu with an Insert Symbol or Symbol command that brings up a graphical palette of symbols to insert, including the degree symbol. As with the CharMap app, the table is arranged in unicode order. An easier way is to use Alt+176 or B0 then Alt+X.
In LaTeX, the packages gensymb and textcomp provide the commands degree and \textdegree, respectively. In the absence of these packages one can write the degree symbol as ^{\circ} in math mode. In other words, it is written as the empty circle glyph circ as a superscript.
In AutoCAD it is available as a shortcut string %%d.
See alsoEdit
 1. ^ "Chord Symbols". Retrieved 2013-12-16.
 2. ^ Cajori, Florian (1993) [_PHONE_], A History of Mathematical Notations, Dover Publications, ISBN 0-486-67766-4 |page=216
 3. ^ The International System of Units (PDF) (8th ed.), Bureau International des Poids et Mesures, 2006
 4. ^ Style Manual (PDF) (30th ed.), United States Government Printing Office, 2008
 5. ^ 9.16 Abbreviations and symbols, Chicago Manual of Style (15th ed.), University of Chicago, 2010
 6. ^ 10.52 Miscellaneous technical abbreviations, Chicago Manual of Style (15th ed.), University of Chicago, 2010
 7. ^ UCAR, UCAR Communications Style Guide, retrieved 2007-09-01
 8. ^
 9. ^ "How to use emoji, accents and symbols on your Mac". January 29, 2020. Retrieved 2 March 2020.
 10. ^ "(unknown title)".
External linksEdit


text: Purpose: To determine whether the absence of transglutaminase 2 enzyme (TG2) in TG2 knockout mice (TG2 -/- ) protect them against early age-related functional and histological arterial changes. Methods: Pulse wave velocity (PWV) was measured using non-invasive Doppler and mean arterial pressure (MAP) was measured in awake mice using tail-cuff system. Thoracic aortas were excised for evaluation of endothelial dependent vasodilation (EDV) by wire myography, as well as histological analyses. Results: PWV and MAP were similar in TG2 -/- mice to age-matched wild type (WT) control mice. Old WT mice exhibited a markedly attenuated EDV as compared to young WT animals. The TG2 -/- young and old mice had enhanced EDV responses (p<0.01) as compared to WT mice. There was a significant increase in TG2 crosslinks by IHC in WT old group compared to Young, with no stain in the TG2 -/- animals. Optical microscopy examination of Old WT mice aorta showed thinning and fragmentation of elastic laminae. Young WT mice, old and young TG2 -/- mice presented regularly arranged and parallel elastic laminae of the tunica media. Conclusion: The genetic suppression of TG2 delays the age-induced endothelial dysfunction and histological modifications.

source: openbmb/Ultra-FineWeb


text:
Fusion Science and Technology / Volume 41 / Number 3P2 / May 2002 / Pages 954-957
Material Interaction and Permeation / Proceedings of the Sixth International Conference on Tritium Science and Technology Tsukuba, Japan November 12-16, 2001
We investigated tritium (T) release behavior from silica glass. The specimens were 8 kinds of commercially available silica glass. T was injected by the 6Li (n,α)T reaction of sintered pellets of lithium oxide (Li2O) into the silica glass with thermal neutrons in JRR-2 (VT-8) up to 5 × 1018 neutrons/cm2 at ambient temperature (about 350 K). After irradiation, the Li2O pellets were removed from the silica glass, and T release from the silica glass was measured in a flow of hydrogen (H2) or ammonia (NH3) sweep gas at atmospheric pressure at a constant heating rate of 2 K/min between 675 K and 1375 K with a proportional counter. In the case of H2 sweep gas, a maximum tritium release rate was observed around 1023 K, while in the case of NH3 sweep gas, two peaks around 1023 K and around 1123 K or a peak around 1123 K with a shoulder were obserbed. After the experiments of T release, FT-IR spectra showed a decrease of SiOH bands at 3650 cm−1. On the other hand, no changes in intensities at 2250 cm−1 due to SiH were observed for both samples before and after T release.


JustBio Complementor
Protein Plots Input Form
Generates hydropathy plots...
Type or paste your Protein sequence:
Kyte & Doolittle Plot (hydropathy) with window size of
Hopp & Woods Plot (hydrophilic/antigenic) with window size of
Print your results
How should I interpret the graphs?
Kyte & Doolittle Hydropathy
Hydropathic regions achieve a positive value. Setting window size to 5-7 is suggested to be a good value for finding putative surface-exposed regions, whereas a window size of 19-21 yields a plot in which transmembrane domains stand out sharply, with values of at least 1.6 at their centers.
When the window size is 19, peaks with scores greater than 1.8 indicate possible transmembrane regions.
When the window size is 9, strong negative peaks indicate possible surface regions of globular proteins.
The Window Position values shown on the x-axis of the graph reflect the average hydropathy of the entire window, with the corresponding amino acid as the middle element of that window. For example, if the window size were 19, the score at window position 10 would be the average hydropathy of the 19 amino acids from position 1 to position 19 in the input sequence. Notice that the horizontal axis is scaled to include only those amino acids for which a windowed hydropathy score is computed.
First, each amino acid is given a hydrophobicity score between -4.5 and 4.5. A score of 4.5 is the most hydrophobic and a score of -4.5 is the most hydrophilic. Click here to see each amino acid's score. Then a window size is set. A window size is the number of amino acids whose hydrophobicity scores will be averaged and assigned to the middle amino acid in the window. The default window size is 9 amino acids. The computer program starts with the first window of amino acids and calculates the average of all the hydrophobicity scores in that window. Then the computer program moves down one amino acid and calculates the average of all the hydrophobicity scores in the second window. This pattern continues to the end of the protein, computing the average score for each window and assigning it to the middle amino acid in the window. The averages are then plotted on a graph. The y axis represents the hydrophobicity scores and the x axis represents the position in the protein sequence.
Hopp & Woods Antigenic/Hydrophilic
This scale was developed for predicting potential antigenic sites of globular proteins, which are likely to be rich in charged and polar residues. This scale is essentially a hydrophilic index, with apolar residues assigned negative values. The authors suggest that, using a window size of 6, the region of maximal hydrophilicity is likely to be an antigenic site.


Saturday, November 25, 2006
Solution to the general cubic equation
Girolamo Cardano was able to find a general solution to the cubic equation based on Nicolo Fontana Tartaglia's solution to the depressed cubic equation.
For an equation of the form x3 + bx2 + cx + d = 0, Cardano did this by setting x = y - b/3.
The solution is complicated. Still, this solution was a very important step forward past the mathematics of Ancient Greece. Additionally, it would lead eventually to the acceptance of imaginary numbers and the establishment of group theory.
Lemma 1: Cardano's simplification of general cubic equation
x3 + bx2 + cx + d = 0
Then there exists y,p,q such that:
y3 + py + q = 0
(1) x3 + bx2 + cx + d = 0
(2) Let y = x + b/3
(3) Then, x = y - b/3
(4) x3 = (y - b/3)3 = y3 - 3by2/3 + 3b2y/9 - b3/27 =
= y3 - by2 + b2y/3 - b3/27
(5) bx2 = b(y - b/3)2 = by2 - 2b2y/3 + b3/9
(6) x3 + bx2 = y3 - b2y/3 + 2b3/27
(7) x3 + bx2 + cx + d =
= y3 - b2y/3 + 2b3/27 + c(y - b/3) + d =
= y3 + (c - b2/3)y + (2b3/27 - bc/3 + d)
(8) Let:
p = c - b2/3
q = 2b3/27 - bc/3 + d
Theorem: Solution to General Cubic Equation
ax3 + bx2 + cx + d = 0
(1) ax3 + bx2 + cx + d = 0
(2) If we divide all sides by a, we get:
x3 + (b/a)x2 + (c/a)x + (d/a) = 0
(3) Then using Lemma 1 above, if we set:
y = x - (b/a)/3
p = (c/a) - (b/a)2/3
q = -2(b/a)3/27 + (b/a)(c/a)/3 - (d/a)
Then we have:
y3 + py - q = 0
y3 + py = q
(4) Now, using the solution for the depressed cubic (see Theorem, here),
we have:
(5) Finally, adjusting for step #3, if we let:
r = (b/a)/3
Then we have:
Proof of Solution to Depressed Cubic
In today's blog, I will show a proof of the solution to the depressed cubic equation. Using Girolamo Cardano's trick (next blog), it is possible to use the solution to the depressed cubic equation to solve the general cubic equation.
Lemma 1: x3 = bx + c → ∃ u,v such that: b=3uv, c=u3 + v3, x = u + v
(1) Let x3 = bx + c.
(2) Let x = u + v
(3) (u + v)3 = u3 + 3u2v + 3uv2 + v3 = 3uv(u + v) + (u3 + v3)
(4) 3uv(u + v) + (u3 + v3) = b(u + v) + c
(5) So that b = 3uv and c = u3 + v3
Lemma 2: if b=3uv and c=u3 + v3, then:
we can assume:
u3 = c/2 + √(c/2)2 - (b/3)3
v3 = c/2 - √(c/2)2 - (b/3)3
(1) b=3uv → v = b/3u
(2) u3 + v3 = u3 + (b/3u)3 =
= u3 + b3/(27u3) = c
(3) So that we have:
u3 + b3/(27u3) - c = 0
(4) Multiplying both sides by u3 gives us:
u6 + b3/27 - cu3 = 0
(5) Using the solution for quadratic equations (see here) gives us:
u3 = (c/2) ± √(c/2)2 - (b/3)3
(6) Since u3 + v3 = c, we can assume that:
u3 = (c/2) + √(c/2)2 - (b/3)3
v3 = (c/2) - √(c/2)2 - (b/3)3
Theorem: Solution of the Depressed Cubic
x3 + bx = c
(1) x3 + bx = c
(2) So that we have:
x3 = (-b)x + c
(3) Using Lemma 1 above, we see that there exists u,v such that:
x = u + v
(-b) = 3uv
c = u3 + v3
(4) Using Lemma 2 above, we see that:
u3 = (c/2) + √(c/2)2 - (-b/3)3 = (c/2) + √(c/2)2 + (b/3)3
v3 = (c/2) - √(c/2)2 - (-b/3)3 = (c/2) - √(c/2)2 + (b/3)3
(5) Since x = u+v, we have:
Friday, November 24, 2006
Depressed Cubic
Scipione del Ferro's great discovery which eventually led to the general solution of the cubic equation was the solution of the depressed cubic equation: x3 + bx = c In today's blog, I will show how del Ferro solved this equation. The content is taken from Paul J. Nahin's The Story of √-1 (1) Let x = u+v (2) Then: x3 + bx = (u + v)3 + b(u + v) = = u3 + 3u2v + 3uv2 + v3 + b(u + v) = = u3 + v3 + (3uv + b)(u + v) = c (3) Now, if: (3uv + b) = 0 then: u3 + v3 = c (4) Now, (3uv + b) = 0 → 3uv = -b and further: v = -b/(3u) (5) So if: u3 + v3 = c, then: u3 + [-b/(3u)]3 - c = u3 + (-b3)/(27u3) - c = u6 + (-b3/27 - cu3 = 0 (6) But this is an example of a quadratic equation since if: z = u3, then we have: u6 + (-b3/27) - cu3 = = z2 - cz -(b3/27) (7) Using the solution for the quadratic equation (see here), we have: z = (c/2) ± √c2 - 4(-b3/27)/2 = =(c/2) ± √c2/4 + b3/27 = u3 (8) Considering only the positive form, we have: (9) Since v3 = c - u3, we have: v3 = c - (c/2 + √c2/4 + b3/27 = = c/2 - √c2/4 + b3/27 (10) This then gives us: (11) Since x = u + v, this gives us that: (12) Since (-1)3 = (-1) (13) This tells us that we can restate (11) as the following: In another blog, I present a proof that this really is the solution of the depressed cubic. References
Wednesday, November 22, 2006
Nicolo Fontana Tartaglia
Nicolo Fontana "Tartaglia" was born around 1500 in Venice. His father was a "mail rider", a person who would ride from town to town, to make deliveries. When Tartaglia was six years old, his father was murdered during one of these trips.
When Tartaglia was 12, the French took over his town of Brescia. There had been fierce fighting and in retaliation, there was a great slaughter of the Brescian townfolks. It is said that 46,000 inhabitants were killed in the fighting and the revenge killings. Tartaglia, his mother, and his sister hid away in a cathedral. In the course of the fighting, Tartaglia was attacked and left for dead.
Somehow, he survived but for the rest of his


text:
The best shape for containing a pressurised gas is a sphere, where by 'best' we mean the shape that uses the smallest amount of material to contain a given mass of gas at given pressure.
The simplest explanation for this is that, since pressure acts equally in all directions, the best container of pressure is a container that looks the same in all directions -- which is a sphere.
We can see this by examining a pressure vessel made of a liquid: the walls of such a pressure vessel will flow to take up the best shape. Pressure vessels made of liquid are known as 'bubbles', and it is well-known that bubbles tend to be spherical.
The bathyscape Trieste, built in Italy in the Fifties, carried its crew in a steel sphere down to a depth of 11 km below the surface of the ocean. This is a good illustration of the suitability of spheres for withstanding pressure.
So why are scuba tanks cylinders rather than spheres? The cylinder is a compromise between the best pressure-containing shape and the need to mount the tank comfortably and conveniently on the diver's back. Similarly, gas cylinders in laboratories are usually cylindrical, since this allows them to be moved and stored conveniently.
making a small donation to science.ca.

source: HuggingFaceFW/fineweb-edu


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Topic: Directional microphone (Read 1 time) previous topic - next topic
Greetings.Is there any way to modify simple electret microphone so he can be used as directional microphone? I can use both hardware and software filtering.Microphone will be used for speech recognition.Distance from sound source should be between 3-10 feet.So, what do you think?
Put it at the focus of a parabolic reflector. There is nothing you can do to the electrical signal to make a single microphone directional.
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text:
'Dead Sea Drying' – An Ancient Pattern (INN) ISRAEL NATIONAL NEWS) By Chana Ya'ar 04/16/12)
INN} ISRAEL NATIONAL NEWS
INN} ISRAEL NATIONAL NEWS Articles-Index-Top
Environmentalists are increasingly concerned about the Dead Sea
drying up – but Tel Aviv University scientists say the pattern is one
as old as time itself.
Researchers under the direction of Professor Zvi Ben-Avraham of TAU's
Minerva Dead Sea Research Center, and Professor Mordechai stein of
the Geological Survey of Israel have found the phenomenon is not new.
The scientists drilled 460 meters beneath the sea floor and extracted
sediments spanning 200,000 years that revealed past climatic
The layers of salt showed a number of periods of dryness with sparse
rainfall, causing water to recede and salt to gather at the center of
According to the scientists, the sea has come close to drying up
entirely at least twice in the past, most recently 13,000 years ago.
This time, however, the threat is man-made, warned Ben-Avraham. "What
we see happening in the Middle East is something that mimics a severe
dry period, but this is not climate-enforced, this is a man-made
phenomenon," he said.
Water is being taken from the sea at its southern tip by the Dead Sea
Works factory for chemical processing, and from northern rivers for
irrigation before it ever reaches the body of water.
At present, the water level of the Dead Sea rests at 426 meters below
sea level, and is dropping by at least one meter per year.
(IsraelNationalNews © 2012 04/16/12)
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MATERIAL REPRODUCED FOR EDUCATIONAL PURPOSES ONLY


text:
The 400 g-ton centrifuge, designed by Wyle Laboratories and fabricated by Alabama Dynamics, began operation in 1988. It has an asymmetrical rotor arm with a swinging payload platform on one end and a fixed counterweight compartment on the other. The operating radius with the swing platform extended is 18 feet (5.49 m). It can accomodate a payload volume and mass of 4x4x3 ft (1.22x1.22x0.91 m) and 4000 lb (17.8 kN) respectively.
A 900 horse-power (671 kW) Direct Current (DC) drive system powers the centrifuge through a right-angle gearbox with a 6.4 to 1 gear reduction. The centrifuge is capable of accelerating a payload to a maximum of 200g in about 14 minutes. Four large pneumatically actuated disk brakes are used to stop the centrifuge in emergency situations. Other prominent features of the centrifuge include a cooling system along the centrifuge chamber wall, an active in flight balancing system, and a dedicated real-time control and monitoring system.
The data aquisition system for the 400 g-ton centrifuge includes a NI PXI data acquisition system combined with a 12-slot SCXI chassis, with modules suitable for signal conditioning for LVDTs, strain-gauge-type sensors, accelerometers, capacitance-type differential pressure transducers, high speed cameras. Motor control capabilities are also possible to operate brushed electric servomotors, solenoids, and electronic flow valves. Camera acquisition software can be used to track deformation of points or planes. The 400 g-ton centrifuge includes 3 hydraulic rotary union lines which can be used to supply pressurized fluid to the centrifuge platform.


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Training, outreach and public engagement are important aspects of the SCNi. To achieve this we aim to:
 1. establish and develop a recruitment database and web-based resources. These can serve as portals for recruitment (and on-line testing) of subjects interested in participating in the research programs, but also for education and information about circadian neuroscience and sleep;
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 3. enhance public engagement and knowledge about sleep and circadian disturbances, their health implications, their treatment and prevention;
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Public Lectures


14 December, 2011
What is this thing called Housing Microfinance?
A few months ago I gave a presentation on housing microfinance to a delegation from various microfinance institutions that was organized by Stromme Microfinance East Africa. I borrowed elements from Franck Daphnis' work and added a few of my own interpretations. The following day, we attended the Housing Microfinance Working Group Tanzania's workshop and Jamie Ritchie from Rooftops Canada gave a presentation titled An Introduction to Housing Microfinance. He had a slightly different definition and interpretation of housing microfinance. How we define, interpret and envision housing microfinance plays a key role in how we implement it in practice.
Housing Microfinance applies the principles of microfinance to housing, addressing a bottleneck in the housing value chain for many low income households. In Housing Microfinance: A Guide to Practice (Daphnis and Ferguson, 2004), Franck Daphnis described Housing Microfinance "...as a discrete practice that intersects housing finance and microfinance" (p.3). I have seen this represented in a graphic as part of several Housing Microfinance Presentations by Franck Daphnis.
Whereas Daphnis places an emphasis on housing microfinance's position in the field of housing finance, Jamie Ritchie's Presentation at the HMFWGTZ Workshop focused on housing microfinance as a combination of microfinance and prudent, pro-poor real estate development. Jamie places a strong emphasis on housing support services and community development in his definition and resulting model of housing microfinance.
The graphic I have used for trainings in the MAKAZI BORA program simply states that housing microfinance is the intersection of housing and microfinance. (It almost seems too simplistic!) My use of housing refers to the "housing as a verb" concept (see John F. C. Turner's Freedom to Build) and the housing process in practical use by low income households.
The differences between my definition and those of Franck Daphnis and Jamie Ritchie are primarily ones of emphasis. On the housing finance side, I would tend to emphasize how housing microfinance fits into the strategies that low income households use to self-finance their housing activities more than any similarities to traditional housing finance in the form of mortgage lending. On the housing side, I approach housing from the support paradigm and emphasize how housing microfinance integrates with informal and incremental building practices that are common to low income households, regardless of whether or not they conform to what may be considered prudent real estate development at the time.
These three slightly different explanations of housing microfinance are not mutually exclusive and I am confident that a simple definition such as the application of microfinance principles to housing would be broadly accepted by most of the housing microfinance community with whatever additions one might add on to it. How we describe this thing called housing microfinance is a reflection of our backgrounds and assumptions. Put all of the descriptions together and we start to get a picture of the current practice of housing microfinance. Each definition at its core, however, may imply a slightly different model of housing microfinance in practice. I will be discussing this more in the coming weeks and months.
01 December, 2011
The Debate Continues
My last post was titled Why Housing Microfinance is a Base of the Pyramid Solution. It was a direct response to short blog post by Ruban Selvanayagam entitled Why Housing Microfinance is Not a Base of the Pyramid Solution. The two positions are roughly representative of two different housing paradigms.. Although each position seeks improved housing conditions as an end, the operating assumptions and resulting means promoted are quite different.
Ruban's most recent contribution is appropriately titled Housing Microfinance - The Debate Continues.
18 November, 2011
Why Housing Microfinance is a Base of the Pyramid Solution
In August 2011, Ruban Selvanayagam published an excellent post on the Habitation for the Planet (HABITAÇÃO PARA PLANETA) website entitled Why Housing Microfinance is not a base of the pyramid solution (_URL_ Selvanayagam argues that that housing microfinance lacks what is necessary as a strategy for the base of the pyramid that should be grown to scale. I take an opposing position and believe that housing microfinance is a base of the pyramid solution when viewed as a part of a housing strategy already in use by the people at the base of the pyramid themselves.
It is first important to acknowledge that Mr. Selvanayagam and I agree on many basic points concerning housing microfinance:
- It is focused on small-medium sized loans for the low income demographic for incremental housing and the construction of very basic housing, usually with locally available materials.
- Advantages may include community integration / cohesion, employment opportunities, encouragement of personal finance management and seemingly improved housing conditions compared to what was often the case before. (I would perhaps put less emphasis on the community and social factors and give more validity to the value of the improvements made.)
- There are simply no perceived and workable (urban housing) solutions for the massively growing base of the pyramid population.
- Developers tend to cater to middle and high income populations
- New housing developments are usually only feasible in peripheral areas, which place the target population far from their livelihoods
- A high proportion of the base of the pyramid population have limited legal land rights and reside and work informally.
- New financial systems (products and delivery methods) are needed to cater to these specific and idiosyncratic needs.
Despite our general agreement in these areas, we begin to diverge on the appropriateness of housing microfinance as a solution. This may be as a result of our expectations of what housing microfinance is intended to achieve. I respond to a few of Selvanayagam's points as follows:
1. Opportunity: While acknowledging that base of the pyramid urban population may possess certain land rights and have thriving communities and livelihoods, Selvanayagam states that "the reality is that most of them would leave given the opportunity of a better standard of living." Although this may be true, I would argue that leaving to a "better standard of living" in another location is unfortunately not a viable option for the majority. If such opportunities existed in reality, then there would be less need for housing microfinance. A better standard of living would include both the physical conditions as well as associated livelihood factors, which has been an extremely challenging opportunity to offer at the scale needed.
2. Polishing Over: Mr. Selvanayagam states that housing microfinance only polishes over a bad state of affairs. He writes that, "Even if it is slightly larger, has received plastering or has added protection against the elements, a slum unit is still a slum unit – related social / environmental / political problems and issues will eventually re-appear in some way or another." I don't believe that housing microfinance claims to be a solution to social, environmental and political problems. Personally, I have always viewed it first and foremost as a household level solution to a particular housing need or desire. In this light, the value of a larger, plastered or better protected home would be best judged by the household itself who undertook the home improvement project. Housing microfinance is usually not marketed to its users as a solution to social, political and environment problems. Clients tend to have more personal, concrete and immediate objectives that can be addressed in the short-term with access to housing finance.
3. Risk of Evictions: Selvanayagam correctly states that housing microfinance would be challenged to fully and effectively function in areas where there is risk of evictions. Two basic pre-requisites for housing microfinance are 1) Households that are willing to invest in improving their homes (demand) and 2) Institutions that believe risk can be sufficiently mitigated to lend to those households (supply). Risk of eviction may result in an unwillingness to enter into a housing finance transaction by one party or the other. It might be mitigated by smaller and shorter loans, but Mr. Selvanayagam is correct that there may not be a housing microfinance market in such environments. It won't work everywhere.
4. Quality: Selvanayam's article follows a general assumption that is common to the provider paradigm of housing: Informal housing + base of the pyramid population + builders without professional certification = low quality. I don't believe this assumption necessarily holds true or that informality is a bad thing. This is perhaps the key assumption in designing housing services to the bottom of the pyramid: Are local and informal housing solutions sufficient? The provider paradigm usually prefers a solution of outside technical expertise to solve the presumed qualitative gap Many housing microfinance programs come from a support paradigm perspective that recognizes informal and local efforts as legitimate and seeks only to build upon what is already happening.
Certainly Selvanayagam is correct in stating that most of housing microfinance projects are unlikely to meet international building standards. Meeting international building standards in an informal settlement is one of those areas in which a workable solution has yet been yet to be developed to scale in practice. The current reality is that enforcing international (and even national) building standards is a non-starter in most informal settlements. The important question, I would argue, is whether home improvement projects (usually on very basic housing) can be completed to the satisfaction of the households who undertake them with at least non-opposition (even if tacit) from local authorities. If the reality of the housing environment changes, then housing finance will change accordingly.
When trying


How do I edit a place?
1. Go to the Lists menu, choose Genealogy Places
2. Start typing the name of the place until it is highlighted on the list.
3. Click the "Edit Button" and then in the Edit Genealogy Place window, click "Lookup"
4. In the "Lookup a Place" window, type in the name of the place then click the "Search" button to the right of it and you should see complete place name at the top of a list of possibilities.
5. Choose the place name you want and click "OK" then "OK" again.
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I'm just curious. The man page for kill says that QUIT, aka signal # 3, is a "core" signal. It seems that all it does, for Java processes, is dump the thread information. So, is the QUIT as misnomer? Is it just that the JVM implements a singal 3 handler that dumps threads?
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Yeah, QUIT is a misnomer. As _USER_ said, Sun just decided to make signal 3 dump the threads. – Gray Aug 14 '12 at 21:20
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up vote 5 down vote accepted
QUIT is arguably a misnomer for Java. But by that argument any signal name could be a misnomer if an application is allowed to change the default behaviour of the signal's handler.
In reality, the correspondence between UNIX signal names and what they actually do has always been a bit vague and tenuous. However, developers have been dealing with this "issue" for 30+ years without it being a real problem.
And yes, the Java thread stack dump behaviour is implemented by the JVM. The default UNIX / LINUX behaviour is to create a memory dump of the process, unless this is inhibited by other factors.
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Yea, the JVM captures the #3 signal to dump threads. By default, for a normal unix process, it dumps core (i.e. take a memory snapshot of the process and write it to a file) and exits.
For Java, that isn't very helpful, so it does a thread dump instead.
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text:
Topology Based Optimization of Suspension and Steering Mechanisms of Automobiles
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This thesis proposes a kinematic based optimization of the characteristics of suspension and steering systems by focusing on their dynamics interaction. Two of the most important suspension mechanisms are modeled. A new approach based on combining transformation matrix and vector analysis is used resulting in less time and memory consumption during optimization. Modelling is verified by comparing the results with multi-body dynamics software. Further, the steering importance and its effects on the suspension are discussed, along with modelling and analysis of the rack and pinion steering mechanism. The optimization aims at the road holding and vehicle stability considering the effects of steering mechanism on the suspension. Therefore, the cost function is defined based on both steering and wheel travel. Moreover, the effect of wheel travel in different steering angles is shown to be important and has been considered in the cost function. In regards to some behaviors of the suspension, static constraints are defined and their importance is discussed. Lastly, case studies are presented to provide analysis and optimization of the suspension characteristics including steering error and track alterations. Optimization is performed to design suspensions for particular vehicle classification, such as, family cars and SUVs. The results show that optimization can be used to arrive at desired behaviors when the steering and suspension interaction is considered in the optimization.
Cite this version of the work
Reza Atashrazm (2015). Topology Based Optimization of Suspension and Steering Mechanisms of Automobiles. UWSpace. _URL_


text:
Sunday morning classes for children age 3 through grade 5 meet during the 10:30 AM Service.
When prompted, the children leave the sanctuary and gather in the Tower Room. Usually this happens at the beginning of the Sequence Hymn which precedes the Gospel reading. They meet their teachers there and go to their respective classrooms for a 40-minute Children's Word, snacks and activities. They return at the Passing of the Peace for the Eucharist.
The Kangaroo Group
Pre-K (age 3) – Grade 1
Meets in the Chapel
The Elephant Group
Grade 2 – Grade 5
Meets on the 2nd floor of the Parish House
Children and Youth Leaders
- At 9:15AM on Sunday during the adult Faith Forum children from infant to grade 5 are welcome in the Cribbery in the Parish House. There will be age-appropriate activities.
- During the 10:30 AM Sunday service children are invited to help take the food donations to the altar during the offering.
- On the 2nd Sunday of each month during the 10:30AM Sunday service children are encourage to stay by the altar to observe after bring up the offering.
- Older children often participate in the service either as acolytes or readers.


Next:, Previous:, Up: Defining Commands [Contents][Index]
20.2.3 Examples of Using interactive
Here are some examples of interactive:
(defun foo1 () ; foo1 takes no arguments,
 (interactive) ; just moves forward two words.
 (forward-word 2))
 ⇒ foo1
(defun foo2 (n) ; foo2 takes one argument,
 (interactive "^p") ; which is the numeric prefix.
 ; under shift-select-mode,
 ; will activate or extend region.
 (forward-word (* 2 n)))
 ⇒ foo2
(defun foo3 (n) ; foo3 takes one argument,
 (interactive "nCount:") ; which is read with the Minibuffer.
 (forward-word (* 2 n)))
 ⇒ foo3
(defun three-b (b1 b2 b3)
 "Select three existing buffers.
Put them into three windows, selecting the last one."
 (interactive "bBuffer1:\nbBuffer2:\nbBuffer3:")
 (split-window (selected-window) 8)
 (switch-to-buffer b1)
 (other-window 1)
 (split-window (selected-window) 8)
 (switch-to-buffer b2)
 (other-window 1)
 (switch-to-buffer b3))
 ⇒ three-b
(three-b "*scratch*" "declarations.texi" "*mail*")
 ⇒ nil


text:
During the 1970's, astronauts training for Apollo moon missions prepared for lunar geological surveys by examining the impact craters around the Sudbury area. Six students from Western and twenty American students recently followed in the footsteps of the famed lunar explorers by participating in a field school funded by the NASA Lunar Science Institute (NLSI). The program was organized by Dr. Gordon "Oz" Osinski on behalf of Western and the Canadian Lunar Research Network. The school was also a stepping stone for future collaborative work between Canada and America to enhance lunar science and exploration programs.
For the first five days of October students in the fied school went through the same training and classroom preparation as Apollo astronauts did decades ago at the Sudbury Impact Structure. The field school prepares future planetary scientists with the skills necessary to carry out studies of impact crater terrains no matter if they are on earth, the moon, Mars or other planetary surfaces. The immersive event introduced students to impact cratering processes while field observations demonstrated attributes of an immense impact basin.


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Home » Do Guinea Fowl Lay Eggs?
Do Guinea Fowl Lay Eggs?
Guinea fowl, also called guineas, are game birds that are becoming popular among backyard poultry owners.
They are indigenous to Africa and one of the oldest gallinaceous birds. Guineas are largely disease-free, hardy, and vigorous birds.
Do guinea fowl lay eggs?
Guinea hens lay eggs but not during the winter months. Laying for the year commences in the spring and continues through the summer and fall. Guinea fowls usually stop laying eggs when the days start getting shorter.
Guinea Fowl on Grass
Except when broody, a guinea hen can lay an egg daily during her laying season. This can yield 6-7 eggs a week per hen.
Do Guinea Hens Lay Eggs?
Guinea hens lay eggs once they mature. The hens lay their first eggs in the first spring of adulthood.
Every day for the first 3 years, a guinea fowl will continue to lay eggs.
Guineas are not particular about where to lay their eggs. Once they find a suitable spot, they make their nests start laying.
Guinea hen nets are usually hard to find. Guineas prefer to nest in long grass, woods, or any place that gives them protection from predators.
When guinea hens are laying their eggs during the day, the male usually acts as a lookout keeping an eye out for predators.
Guineas can sometimes become communal layers. They will lay their eggs in one nest until the number of eggs is sufficient.
Sometimes, this number can be as many as 50. The hens also practice communal brooding, as they take turns sitting on the eggs.
How Many Eggs Do Guinea Hens Lay?
When guinea fowl mate in the wild, they do so in pairs. Domesticated guineas may also adopt this breeding style if there is an equal number of males to females.
These pairs typically wander off as the breeding season arrives to search for good nesting sites.
Guineas are known to be seasonal egg layers. They can lay eggs daily between April and October, with the frequency depending on their location. You can get an egg on most days during their laying season.
Three Guinea Fowl eggs
The number of eggs laid by a guinea hen is usually around 90-130 eggs per season.
On average, one can expect 100 eggs per season. For some prolific layers, like the Black Star and Rhode Island Red, you can expect around 300 eggs a year.
When compared to chickens, guinea hens lay eggs for a shorter period. Also, around 3-5 years of age, their egg production begins to slow down.
How Big Are Guinea Fowl Eggs Compared to Chicken and Duck Eggs?
Guinea fowl eggs are smaller than the eggs of a chicken or a duck.
On average, 2 guinea fowl eggs together add up to the size of a single duck egg or a large chicken egg.
Guinea fowl eggs are usually creamy with light brown spots. The small end of the eggs is more pointed than the egg of a chicken or a duck.
The yolk to white ratio of a guinea fowl egg is higher than that of a chicken egg. The eggshell is harder to crack open than that of a chicken egg.
At What Age Do Guinea Hens Start to Lay Eggs?
Guinea hens start laying eggs around 20-32 weeks of age. They usually lay their first eggs during the spring after they are hatched.
Guinea hens start laying eggs when daylight hours increase and the temperature starts getting warm
They are seasonal layers, and they only lay from spring through fall. In the offseason or the fall of the year they hatched, some young hens may lay a few random eggs.
Guinea Fowl eggs
Do Guinea Hens Make Good Mothers?
Unlike chicken hens, guinea hens do not make good mothers.
While this might sound harsh, here are some reasons why they don't make the best parents to their young.
 - Before all the eggs hatch, some guinea hens tire and are not broody. Some moms move their keets to a new nest without waiting for their remaining eggs to hatch.
 - Some moms stay until the hatch is complete and then get tired of motherhood. They will abandon their keets, who are left alone to die.
 - Some guinea hens end up taking the keets across a damp field where they get wet, freeze, or die.
 - When a guinea hen makes her nest inside a safe henhouse, the eggs will remain unharmed, keeping the keets dry and safe from predators. However, it may allow the rest of the flock to put the keets through a brutal pecking ritual, which they may not survive.
 - When in a coop with other adult birds, keets are exposed to contaminated bedding, worms, and coccidia.
 - In some cases, keets can end up drowning in water without the adults trying to save them.
 - You can discover a guinea hen nest with 50 eggs or more without a broody mom. Predators like snakes, raccoons, or skunks will find the nest and destroy it, eating all its contents and breaking the rest.
 - A mom can accidentally step on her keet, crushing it in the process.
 - Keets often go unwatched or without nurturing, and if they wander from the nest they are left to die.
Some guinea hens still make good moms. They do this by protecting their nest of eggs and keets the best way they can.
Guinea Fowls with Baby
Some guinea hens will try to protect the nest when there is a predator attack. They will hiss and dart at a predator that is bigger and stronger than them.
In some cases, a guinea hen may even die from a predator attack if she is broody outdoors.
How Long Do Guinea Fowl Eggs Need to Incubate?
The guinea fowl egg incubation period usually lasts between 26 to 28 days, which happens to be similar to that of turkeys.
Since guinea hens do not always make good mothers, you can get a chicken to brood around 25 guinea keets in your backyard.
Final Thoughts
Guinea fowl lay eggs, but they are not usually kept for their egg production.
They give around 100 eggs per year, which is significantly below what chickens produce.
If you are rearing guinea fowls for other reasons, having them lay eggs is a plus.
Guinea fowl only lay in warm seasons, so you should only expect eggs from them from spring through summer.
420+ White Duck Names for Males and Females
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text:
Open or Save PDF
files in Netscape
When a file in.PDF format ( the adobe acrobat format), is attached, it does not display
when the Netscape browser is used. (It will display using Internet Explorer). So, to
access a file in.PDF format when using Netscape do the following:
1. With the cursor over the file, right click on the mouse.
2. The menu shown here will appear. Select "Save Link As".
3. When "Save Link As" is selected, the "Save As" dialog box will
4. Select the path where the file should be saved (H: drive, C: drive, etc.) and click on
the "Save" button at the bottom right hand side of the box.
5. Using Windows Explorer or the "My Computer" function in windows, select
(double click) the file that was downloaded and it will launch in Adobe Acrobat.
TO AVOID THIS TROUBLE, USE Microsoft Internet Explorer to read PDF files.


text:
Relating to or denoting a large language family of eastern Asia whose branches include Sinitic (Chinese), Tibeto-Burman (Burmese and Tibetan), and, in some classifications, Tai (Thai and Lao). They are tonal languages, but the exact relationships among them are unclear.
- A member of the Sino-Tibetan family of languages, Thai is one of the oldest languages in East or Southeast Asia.
- The Tibetan language belongs to the Sino-Tibetan family.
- Zhuang belongs to the Sino-Tibetan language family.
The Sino-Tibetan language family.
- Balti, spoken in the extreme Northeast, belongs to the Sino-Tibetan, rather than the Indo-European, language family.
For editors and proofreaders
Definition of Sino-Tibetan in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.


text:
also had entrepreneurial success with artificially created ground vibrations
Ludger Mintrop was born near Essen, studied mine surveying in Aachen and subsequently went to Göttingen to work with Emil Wiechert, where he obtained his doctorate in 1911 with a dissertation on "Artificially generated ground vibrations".
He then became a lecturer at the Bochum School of Mining and developed a portable seismograph, which he used to render the seismic methods usable for geology and mining.
In 1921, he established "Seismos GmbH", a company specialising in geophysical mineral deposit research. This marked the beginning of the triumph of applied seismology in locating crude oil deposits. In 1928, Mintrop became Professor of Mine Surveying and Geophysics in Wroclaw. Between 1945 and 1948, he held the corresponding chair in Aachen. He is considered one of the pioneers of applied geophysics.
Adapted from: Walter Kertz


text:
The Soka Gakkai Dictionary of Buddhism
Browse by first letter:
This is the online version of The Soka Gakkai Dictionary of Buddhism that was published in 2002. There are more than 2700 entries, including cross references. The dictionary does not aim to cover the entire Buddhist lexicon. Rather, it is meant as a guide for readers of Nichiren' works. Please note the following when using the dictionary:
- Most entries appear as the English translation of a term or concept.
- Names of Buddhas and bodhisattvas as well as Buddhist scriptures are in most cases given in English.
- Chinese words are mostly romanized according to the Wade-Giles system, with the newer pinyin system equivalents appearing in parentheses and indicated by the letters PY.
- Japanese words are mostly romanized according to the modified Hepburn system.
- The Chinese or Japanese characters for each entry are given in brackets.
- Diacritical marks, found in the printed version of the dictionary, as well as macrons are not included in the online version.


text:
A tool used when wire wrapping prototype circuit boards. I shall attempt to describe it.
- Start with a hexagonal shaft that is the handle. Mine is painted with a blue finish.
- Drill a hole through the center of the shaft (not axially, but from one side of the shaft to the other). Put a small wire stripper one side of this hole. This part is for (duh) stripping wires.
- Into one end of the shaft, Insert a small rod with a hole in the middle. This rod should have a concavity at the end as well. This is the unwrapping part of the wire wrap tool, for when you make mistakes and need to unwrap your wire.
- Into the other end of the shaft, insert the more interesting rod. I shall attempt to describe it.
- Start with a normal rod.
- Bore a small hole down the axis.
- Cut a trench on one side of the rod.
- For the last 3 millimeters of the rod, shave off about 40 percent of the trench side of the rod.
- Put a four millimeter long cuff around the last two millimeters of the rod, so that it hangs off the end about 2 millimeters. The shaved off part of the rod should leave a small hole that you can fit a tiny wire through.
This is the wrapping part of the wire wrap tool.
Despite the curious workmanship
on the wrapper, you wouldn't expect to pay more than 50 cents for one of these tools. However, they usually sell for upwards of 8 dollars a piece, because their design in patented
, and aggressively enforced.


Magic Chef Microwave Troubleshooting
Chad Buleen
Magic Chef microwaves do not typically have all of the features that other microwaves might have, however if you simply need a microwave that is able to heat up your food, a Magic Chef microwave should be sufficient. These microwaves also are fairly simple to troubleshoot.
 1. Check to make sure the microwave's power cord is firmly plugged into the wall outlet. Plug another appliance into the wall outlet to see if the appliance works. If the microwave still has no power, try plugging it into a different outlet altogether.
 2. Open the microwave door and firmly close it if the microwave is not cooking. A door that is not closed and latched will not allow the microwave to work properly.
 3. Press the "Start" button after you enter the cook time. Failing to press "Start" will mean that the food will not cook.
 4. Check the breaker box to make sure the switch that controls kitchen appliances is not switched to "Off." If it is in the "Off" position, slide it to the "On" position.
 5. Remove any metal containers or silverware from the microwave if sparks appear while you use the appliance. Also make sure that metal foil does not touch the walls. Metal in the microwave could create sparks or a fire.


clocking between the transmitter and receiver, and low noise levels so that the detected voltage levels can be determined as required, and not hidden by background noise. Your modem should be running firmware version which has a variable QAM capability to deal with noisy systems. The QAM level that the OFDM channel is running will be an indication of how bad the noise level is, within that OFDM channel. That channel runs from 251.6 Mhz up to 443.6 Mhz.
3. Your upstream DOCSIS 3.0 channels also show the impact of the noise. Normally that modem runs around 30 to 32/33 dBmV for transmit level (output power level). Yours are running in the 44 to 47 dBmV level. That's still within spec, but, much higher than normal for this modem. That signal level is commanded by the Cable Modem Termination System, to ensure that the arriving signal levels and signal to noise ratios at the neighbourhood node are within an acceptable range. Unfortunately those numbers are not fed back to the user interface. Tech support also has access to those numbers. The key problem here, in terms of data rates is the QAM level for the modems output. Yours are all running 16 QAM. There should be two channels running at 64 QAM and one channel running at 32 QAM. So, the modem has to transmit data at a lower encoding level in order to ensure that its received and interpreted correctly at the neighbourhood node. That will result in a lower data rate.
4. The bottom OFDM/OFDMA is not used as Rogers hasn't enabled DOCSIS 3.1 upsream. They're working on it and hopefully we'll see that occur fairly soon.
Ok, so, problem one is noise. Problem two are the disconnects that you're seeing.
A couple of things need to be done, personal opinion.
1. Where is the modem located? If its upstairs somewhere, consider moving it and connecting it directly to the cable that arrives from outside of the home. By that I mean, in your basement, or upstairs utility room, there's probably a splitter that is connected to that incoming cable. Disconnect the splitter and connect the modem to the external cable. Then power up the modem and check the signal levels again for noise in the DOCSIS 3.0 downstream levels (1 - 32), higher DOCSIS 3.0 upsteam levels and reduced QAM levels for those upstream channels. The purpose of doing this is to prove or disprove the possibility that the noise problem is within your home. From your description of events, I don't believe the noise is caused within your home, but, never discount any possibility when your tracking down a cable problem.
2. Given the noise situation, when its ongoing and present within the modem, some tech, somewhere, is going to have to look at the data for all of the modems on your line that runs from the neighbourhood node to your home and possibly beyond. If you have noise on your modem, then so do a number of other customers. The question is, where is it coming from? There's a good chance that someone has a device that is connected to their cable system that occasionally fires up, injecting noise into the cable system and making everyone else's cable devices run in a high noise environment, or, in a worst case, it might even drop them offline. This is very hard to track down if that noise is intermittent and would probably require a Senior Tech (Rogers Tech) or a Maintenance Crew to track down the source. However, the starting point here is for a tech to check signal levels, signal to noise ratios and QAM levels, up and down the cable line to determine how widespread this is. Perhaps _USER_ can do this, or hand it over to a tech who has a good deal of experience in tracking down system noise. The DOCSIS 3.1 modems have a much better capability in detecting noise issues, compared to modems from previous years. Its just a question of using all of the available tools and capability that is built into the newer modems.
Hope this provides some explanation of what you're looking at.
Edit: can you check the Software version (firmware version) as shown on the STATUS page. It should indicate version


text:
To learn to speak Irish (also called Gaelic or Irish Gaelic), you'll need to take it step-by-step.
It doesn't matter if you're a complete beginner, or if you're re-learning Irish.
Step 1. Learn Simple Expressions
Even if you don't speak a word of the Irish language, you can start by memorizing some expressions.
Prove to yourself that you can do this.
Learn to say hello in Irish as your first step to learning Irish.
Step 2. Learn to Read Irish
Understanding written Irish will come to you before understanding spoken Irish.
There are specific rules and patterns that, once you learn them, you will see everywhere!
Learn about the secret spelling pattern you'll see everywhere in Irish.
Step 3. Learn to Listen to Irish
This step takes time. A lot of time. It can be frustrating (but learning Irish is hard work).
When learning to say hello, listen to the audio in the Bitesize Irish Gaelic lesson as many times as you need to, in your own time.
You're lucky to live in exciting times for learning Irish.
Watch TG4 Irish Gaelic television online, and learn the rhythms of spoken Irish.
Step 4. Learn to Speak Irish
Language is about expressing yourself.
The biggest hurdle you will encounter in learning to speak Irish is fear.
You must be willing to speak the little bits of Irish that you learn. The good news is, you don't have to be perfect.
Irish pronunciation can be very off-putting. If you know the rules, you can learn to pronounce Irish words that you have never even encountered before.
When you decide you want to commit to learning the language, you can do so online with Bitesize Irish Gaelic online language program.
You might be also interested in:
The flashcards method for your phone and computer.
An optimal way to build Irish vocabulary. It does take time investment.
5 ways to maximise your language learning potential.
Scientific findings to really optimize learning to speak a language.
Secrets to practicing Irish every day.
When you have started learning, you may benefit from this concise e-book.


text:
Acid Bench 73
This article needs more links to other articles to help integrate it into the wiki.
|Acid Bench 73|
|Chemicals Used||Sulfuric acid (H2SO4)|
|Supported Processes||Supported Processes|
|User Processes||User Processes|
|Warning:||This page has not been released yet.|
Acid Bench 73 is a wet bench used for working with acids, mostly for etching and cleaning of samples that have had metals and/or polymers on them. It is considered a Metals class tool, so wafers with metal are allowed in the bench. It is intended for use with mixed materials and all substrate sizes up to 6 inches with the main focus being on piece parts.
- Update this with announcements as necessary
Acid Bench 73 is for wet processing of with piece parts, 4, and 6 inch samples of mixed materials. This includes III-V and II-VI materials, samples with polymers, and irregularly shaped samples.
- Feedback controlled hotplate
- Rinse tank can be run as either a Quick dump rinse (QDR) or Overflow tank.
- Sink with goose neck
- Automated Bottle Wash
- Acetic Acid (C2H4O2)
- Aluminum Etch
- Buffered HF (BHF)
- Hydrofluoric acid (HF)
- Chromium Etch
- Hydrochloric acid (HCl)
- Hydrogen peroxide (H2O2)
- Gold Etch
- Nitric acid (HNO3)
- Phosphoric Acid (H3O4P)
- Sulfuric acid (H2SO4)
- Feedback control hot plate
- Quick dump rinse (QDR)/Cascade tank
- Automatic Bottle Wash
- Sink with goose neck
- Open deck space
|Warning:||You must use the buddy system for all chemical processing. No processing if you are alone in the lab. If the yellow warning lights are on it means that there are 2 or 1 people in the lab.|
Working with chemicals can be very dangerous. Chemicals used at this bench are some of the most hazardous in the lab. To minimize the chance of accident, make sure you always:
- Wear personal protective equipment. Required PPE at this bench is an apron, face shield, and Trionic gloves.
- Know the properties and hazards of chemicals you are working with. If you don't know, find out by reading about them or asking staff.
- Plan the details of your process. Before you start working, plan what quantities of chemicals and sample carriers you will use. Plan how you will rinse your sample and what you will do with any waste generated. Make sure you know how the controllers work.
- Do not use this bench without proper training.
- Waste from this bench goes into the LNF's acid waste neutralization system and then to city sewers.
- No solvents can be used or disposed of here.
- Solutions which contains toxic materials that cannot be removed by neutralization (such as gold and chromium etch) should not be aspirated or disposed of down the drain.
- Piece Part to 6 inch wafers
- Open to all approved substrates/materials
- Some materials may require the use of private beakers
The Acid Bench 73 is designated as a Metals class tool. Below is a list of approved materials for the tool. Approved means the material is allowed in the tool under normal circumstances. If a material is not listed, please create a helpdesk ticket or email _EMAIL_ for any material requests or questions.
There are a variety of chemical processes that can be performed on this bench, including:
If you wish to perform any other processes on this bench, they must be approved by a tool engineer. Please create a helpdesk ticket for assistance.
Standard Operating Procedure
Widget text will go here.
- Take the General Wet Bench Training, if you haven't already.
- Read through this page and the Standard Operating Procedure above.
- Practice with your mentor or another authorized user until you are comfortable with tool operation.
- Open a helpdesk ticket and request a checkout.
- A tool engineer will schedule a time for checkout.
- Complete the 1440 Acid Bench quiz.
- If you pass the quiz the tool engineer will authorize you on the tool. If not you will be contacted to repeat.
There are no staff maintained processes or tanks at this bench.


text:
Find the absolute value of the difference of single-digit integers A and B such that
ABA_6 + 411_6 = 1215_6
Express your answer in base 6.
Although there are other ways to do this, I would start by converting the two right values to base ten.
The now converted equation is:
If we then subtract 151 from both sides, we get:
We can then use the equation 36A+6B+A=148, which simplifies to
The only non-extraneous values that work for this equation are A=4 and B=0
4-0=4, which makes the answer 4.


Education, News, Software, Technologies
How Can Oracle Be Applied in Education Today?
oracle database, database software, Oracle in Education, Oracle in Education, Education Today
Information Technology has literally taken over every sector of the industry today. Computers and computerized devices are used in manufacturing, healthcare, and research, food processing and even education. I.T. resources such as laptops, tablets, Smartphone, intelligent circuits, Wi-Fi transmitters and more are utilized every day to run companies, industrial plants and organizations too. These I.T. resources are divided into hardware and software resources. One of the software resources used is the Oracle database. It is used to store information for future editing, viewing, and retrieval. The Oracle database is used in organizations as well as education centers. Why is it preferred over other database software in the market? Read on to find out.
Characteristics of Oracle database software
Oracle database software can run on all operating software platforms. Examples of these are Windows, Linux, and Mac OSX. It is also compatible with all standard protocols of networking. This database software satisfies all the industry standards applied in the technology sector. Moreover, developers can expect full support in the Oracle database software from manufacturers. This is essential in adding or adjusting the available features of this database software. Oracle also allows online backups for the latest versions. You can cover all the stages of a database development cycle.
Oracle is also capable of storing large databases. Moreover, it can support both numbers and alphanumeric characters in the data it stores. The databases created with Oracle are object-oriented in nature. As a result, this software is versatile and can be applied in companies, manufacturing plants and education facilities. Moreover, this database software allows the use of cursors. This makes it easier for developers to work with it. Security is a major feature in database software today. Oracle enforces this by dealing with each computer transaction independently. This secures the data that is involved in each transaction. Why is Oracle used for student learning computer concepts? Read on to find out.
Why Oracle can be used for education
This database exhibits concepts of database computing that students need to learn so as to fill roles such as being a remote oracle dba. These concepts include:
 1. Consistency
 2. Atomicity
 3. Durability
 4. Isolation
Consistency of data
For a database to stay secure, it needs to be consistent. This means that it should move from one valid state to another without compromising the integrity of the data stored in it. Oracle exhibits this characteristic. Thus, it is used to educate students on the database creation concept.
Atomicity of data
The data involved in a database transaction is viewed by the system as one unit. In this way, the results of a transaction can only take one of two forms. It can be rolled back in its entirety or committed fully. There is no half-way point. This is atomicity of data. It is an important concept of databases that students can learn from Oracle.
Durability of data
After a database transaction is complete, the results are durable. This means that they are able to survive various conditions such as system failure or viral infection. The results of the transactions in an Oracle database are durable and secure. This is another concept that students can learn using Oracle database software.
Isolation of data
The Oracle database program handles each data transaction independently. None is visible to the other or even to other users of the same database. A transaction can only be viewed after it is complete. This is a feature that contributes to data security.
In addition to the above concepts, there are other reasons why Oracle can be used in an educational setting.
Ability to perform effective error correction
This database software allows you to recovery your data efficiently in case of human error. This error can be incorrect entry or improper editing. Oracle saves multiple instances of a database. Therefore, human error can be corrected by backing up to the latest instance.
Ability to perform data recovery
The nature of saving multiple instances of a database also contributes to faster recover of Oracle databases. In case of resource corruption or system failure, you can restore your database by activating the most recently saved instance.
It has a short learning curve
Oracle has a short, comfortable learning curve. Its concepts are easy to grasp. Moreover, it is built such that it can be easily used in various organizations. This makes it ideal database software to use for teaching data storage concepts to students.
Research Methodology
Every year our worldwide group of specialists leads a yearly study of thousands of big business programming sellers by reaching them legitimately on their most recent quarterly and yearly incomes by nation, practical zone, and vertical market. We supplement their composed reactions with our own essential research to decide quarterly and yearly development rates, notwithstanding client wins to find out whether these are net new buys or extensions of existing usage.
Another component of our proactive research procedure is through nonstop improvement of our client database, which stores more than one million records on the venture programming scene of more than 100,000 associations around the globe.
The database gives client knowledge and logical data on what kinds of big business programming frameworks and other significant advancements are they running and their affinity to contribute further with their present or new providers as a major aspect of their general IT change undertakings to remain aggressive, fight off dangers from problematic powers, or agree to inner commands to improve by and large endeavor productivity.
The outcome is a mix of stock side information and request age client knowledge that enables our customers to more readily situate themselves fully expecting the following wave that will reshape the endeavor programming commercial center for quite a long time to come.
Today, it is necessary to teach students some of the fundamentals of I.T. These are the creation, storage and access of data. This is done using database software such as Oracle. A number of reasons why this particular software is effective in education are indicated above. They are comprehensive and applicable in any student facility teaching I.T.
Author's Bio: Andrew Thompson is a remote oracle dba. He has been in this position for five years. In addition to maintaining Oracle databases for organizations, he also teaches the system to students. The characteristics of Oracle normally prepare students for the demanding world of data maintenance. Andrew made a valid contribution to this report.
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That would fit a context such as KdrV A224/B271, where Kant equates [den Begriff eines Triangels] konstruieren (to construct/construe the concept of a triangle) with to give [the concept] an object, i.e. to give it what he elsewhere calls a reference [Beziehung] to objects, and hence a significance [Bedeutung] (A1456/B185), or, taking Bedeutung more broadly: to give it an imagined significance [eingebildete Bedeutung] (A84/B117), as opposed to a mere logical significance (A147/B186). To construe, that is, interpret, is to give significance.
Unfortunately, this appears not to be an accepted sense of the German verb (and moreover, according to the OED, is only a late and derivative sense of the English one). Moreover, we have to take into account another use of konstruieren in the exact same passage (from the proof of the First Postulate). Kant also talks there about the synthesis wodurch wir in der Einbildungskraft einen Triangle konstruieren (A224/B271). Whatever that means, it doesnt mean by which we construe (= interpret) a triangle in the imagination.
Many would take it, instead, to mean something like: by which we construct (= build up) a triangle out of imaginary pieces, using an imaginary compass and an imaginary ruler, on a piece of imaginary paper. But that in itself makes little sense. Moreover, to the extent that it does make sense, it leads straight back to Descartess argument that we cant do any such imaginary drawing in the case of a chiliagon (a point of which Kant is well aware: see A140/B17980). Finally, such an understanding of konstruieren wouldnt work at all in the first example, where Kant talks of constructing the concept of a triangle. A concept presumably cant be drawn on any paper, no matter how imaginary.
So my new thought is this: that both of these ways of talking are short for: einen Begriff mit einem Gegenstand konstruieren, to construe a concept with an object (on the model of: to construe a verb with an object).
If we can construe a concept with an object (via a schema), then we know that it is at least the concept of an ens imaginarium (not, like the concept diangle, that of a nihil negativum [A291/B348]; and not, of course, of an ens rationis or nihil privativum, either). What hes saying in the proof of the First Postulate (i.e., the proof that what agrees with the formal conditions of experience (according to intuitions and concepts) is possible [A218/B265]) is that to promote a concept from the concept of an ens imaginarium (which, although not impossible, is still a kind of nothing) to the concept of a possible being, we need to connect the procedure of the imagination in the schema of that concept to the synthesis of the imagination in perception.
So the object of the concept triangle would remain always only a product of the imagination if it were not that
The very same [eben dieselbe] imaging synthesis by which we construe a triangle [with its concept] in the imagination is wholly the same as [mit einerlei] that which we exercise in the apprehension of an appearance, in order to make from it an empirical concept. (again, A224/B271)
The concept triangle passes this test, but the concepts of pure time and pure space as such, die zwar Etwas sind, als Formen anzuschauen, aber selbst keine Gegenstände sind, die angeschaut werden [A291/B347], do not. The synthesis by which the pure imagination produces time and space as pure images of the categories is not the same as any synthesis of the empirical imagination in perception (but is rather a condition of possibility of all such empirical synthesis). Hence the concepts of time and space are concepts of entia imaginaria.1
However, Im not sure yet if this will work in other places or whether Kant anywhere actually uses the locution to construe a concept with an object.
1 The ursprünglich pure intuitions of time and space, I take it, do not have objects: intuitions without concepts are blind.


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Apple Fingerprint Scanner Patent Describes Hidden iPhone Bezel Sensor
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Apple was today granted a patent showing the design of the fingerprint scanner which is rumoured to feature on its next-generation iPhone. The patent also suggests that Apple plans to bring this security feature to MacBooks and other devices, Patently Apple reports.
As the patent description reveals, the fingerprint scanner might be integrated directly into the bezel of a device, so the user just swipes a finger over a surface of the sensor to authenticate. The scanner will need to capture a certain percentage of thin strips of the fingerprint to match it with the already assembled full fingerprint stored in the software to grant access to the user.
The patent defines the bezel as "a unitary, substantially uniformly composed structure, most typically metal or conductive plastic". In Apple's vision, the die and the bezel are encased in a "unitary encapsulation structure", which protects the elements from damage, exposing only a portion of the surface of the die and the bezel.
Watch the Latest Apple Technology News Below
fingerprint scanner
As you can see from the above image, the bezels are in discrete arch-shaped (or inverted "U"-shaped) metal structures, which may be individually secured to bezel receiving regions.
biometric sensor-Apple
The sensor, as pictured above, will be sized to fit the average user's fingertip.
The patent application (no. 20130154031) was originally filed in the first quarter of this year, and Robert Bond, Alan Kramer, and Giovanni Gozzini are credited as the inventors.
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Top 5 Accounting Challenges Small Businesses Face
Sydney tax accounting services
Running a business is a challenging affair, especially managing financial and accounting operations. Any inefficacy in these two departments can be a game-changer for an organization. And several challenges can significantly influence profitability, business operations, and sustainability. Let's understand some accounting challenges, beating which can help your business grow.
Generating an Effective Budget: All the small businesses and startups don't have many funding opportunities. That makes it essential to create a budget and stick to it. However, while generating a budget, you should emphasize business goals, resources cost, infrastructure operations and needs, money availability, etc.
Management of Cash Flow: Cash flow refers to identifying the cash available for business. Management helps stay on the accounts receivable when balancing installments are still not complete.
Accounting System Efficiency: Make sure that all the accounting tasks occur on time. Diligently recording expenses and dues will not be sufficient as a startup enters the growth phase. Businesses require systems and workflow that evolves with the changing needs and numbers. Another requirement of a growing business is that it timely generates accounting figures and data for easy visualization of finances' status and health.
Hiring the Correct Resources: If a small business employs experienced tax accounting services from Sydney, it can significantly move towards efficient management and growth. Besides accounting, investing in the right resources can help solve all challenges for a small business.
Tax Return Lodging Process: A fast-growing or newly launched business needs to know what tax credits and deductions they can benefit from. It saves resources and helps ensure the company stays on top of all obligations.


text:
200 Years. 200 Stories. Story
Lucanus capreolus (Linnaeus, 1763), the iconic Stag Beetle of Eastern State Penitentiary, collected in Cellblock 4, July 1, 2011.
Greg Cowper is more than a curatorial assistant in the Academy's Department of Entomology. He's also the mastermind behind the Specimen exhibit at Philadelphia's Eastern State Penitentiary. Cowper's installation was inspired by an article written by Dr. Henry Skinner, a medical doctor and late 19th-century entomology curator at the Academy. Skinner wrote the article after an encounter with a Penitentiary inmate's insect collection, and Cowper's work expands upon the prisoner's assemblage. The prisoner, who was living in solitary confinement, gathered butterfly and moth specimens during his exercise periods in a narrow, high-walled exercise yard. Following a professional visit to the Penitentiary in 1889, Skinner published a brief report on this "Unique Collecting-Field" in the Entomological News and Proceedings of the Entomological Section, Academy of Natural Sciences, Philadelphia in 1890. After revealing that he was "mortified to find a lepidopterist" among the prison's inmates, Skinner noted that the collection covered an impressive 17 butterfly and moth species, some of them quite rare, and one cicada species.
Cowper, emulating the prisoner's methods, returned to Eastern State to build his installation. The specimens are all captured within the walls on penitentiary grounds and encompass more than 300 species of insects and other invertebrates. Enlisting the help of Academy Exhibits Preparator Mike Beers, Cowper houses the collection in a Cabinet of Curiosities crafted from old prison doors, hardware, and cigar boxes (the container of choice for amateur entomologists). The installation has become a natural history performance piece, constantly growing and evolving, as Cowper and penitentiary staff continue to retrieve more insects and other invertebrates. As Cowper delves deeper into the penitentiary's cellblocks, the collection's newest additions represent more than just invertebrates. His latest discoveries include a mummified cat and preserved bird whose appearance echoes the famous Berlin Archaeopteryx fossil—leading Cowper to christen the find Penitentopteryx.
Check out the Entomology Department to learn more about the Academy's exciting insect-related projects, collection, and research.


text:
Francisco "Paco" Ibáñez is a Spanish singer and musician born in Valencia on November 20, 1934.
He went to France in 1952 during the Franco dictatorship in Spain and recorded his first album in 1964. During the events in France of May 1968, he performed in the Sorbonne and became known as a rebel artist.
He never composed his own lyrics, but used famous poems, like those of Federico García Lorca, Rafael Alberti or Miguel Hernández. He also sang compositions from Georges Brassens.
- Canta a Jose A Goytisolo(2002)


text:
Why build the Dubai Audiobook Library?
More than 7 million people are visually-impaired in the Arab world. This motivated us to create an online library with more than 300,000 books in Arabic that will illuminate their path to knowledge through the contribution of 10,000 volunteers and inviting participation from all over the region.The Dubai Audiobook Library provides access to books for any person of determination who cannot read printed material, such as those with visual or physical disabilities.
Reading provides innumerable benefits, including increased success in education, and development of job skills, reduction in poverty, and it contributes to economic growth. Individuals who can read also experience increases in self-esteem, knowledge, and independence.
The Library is dedicated to people of determination, and empowers them to read books of their choice in a way that works for them, when and where you want, on the devices they already own.
Members must have a qualifying disability to join Dubai Audio Book Library. Examples include:
- Visual impairments, whether low-vision, tracking issues, or blindness
- Learning disabilities, such as Dyslexia
- Physical disabilities that impact the ability to read a traditional book
These stakeholder members have access to the entire collection of more than 400,000 titles from Bookshare plus all titles added by the Dubai Audiobook Library. Those without qualifying disabilities may access books that are freely-available.
How Dubai Audiobook Library helps
Dubai Audiobook Library helps people customise their reading experience in the most convenient way for them. It is easy to use and accessible. Member can choose to listen to books, follow along with highlighted text and read in braille or large text.
- Alternative formats: e-books in audio, audio and highlighted text, large text, braille
- Huge collection: books for school, career and pleasure reading
- Read on your device of choice: computers, tablets, smartphones, braille devices and more
How volunteers can participate
The Dubai Audiobook Library offers the largest e-volunteering opportunity, which is open to anyone, anywhere. Some ways to help include:
- Converting Arabic books to digital books through OCR scanners that will be provided to them
- Proofreading books that have been converted into digital files before uploading them to the website
- Approving digital books that have been checked on the website


The 3 types of late paying customers
Only around 70% of new businesses with employees make it through the first two years, according to recent data from the U.S. Bureau of Labor Statistics. As a business owner, you know how difficult it is to maintain profitability regardless of the age of your organization. This is why late paying customers make it that much more difficult for your business to survive.
Most of your clients who do not pay will fall into one of three categories. By better understanding each of the clients within these groupings, you can develop strategies to recoup late payments and lessen the impact of nonpayment.
 1. Those who will do anything to avoid paying
The most effective method for dealing with customers who never pay is to avoid doing business with them in the first place. Before moving forward with a transaction, pull their credit report to get an idea of their payment history, and use this information to avoid getting involved with unreliable customers.
This approach is not always possible, however. If you do get involved with a customer who resists payment at all costs, act quickly and consider working with a collection agency or moving forward with litigation.
 1. Those who will make payments sporadically
In many of these cases, customers who pay sporadically do not always remember to pay their bills or have so much going on that making payments on time is not a priority. To obtain payment, remind your customer of what he or she owes consistently. For example, when you send out the original invoice, send out a reminder a week before its due date.
 1. Those who cannot pay because of financial trouble
For customers who cannot pay due to unforeseen financial circumstances, consider implementing a payment plan for them. Do what you can to develop a payment plan your customer can commit to while not negatively affecting your cash flow.


Chapter II: Social policies in Europe today
What is it and what are the future hopes?
Social policies are a set of complementary public policies aiming at ensuring social protection and welfare as a moral and political requirement but also as an economic necessity, providing more social cohesion and opportunities, and therefore more social stability and opportunities for economic growth. This chapter will cover the role of the European Union today in addressing social policies, as well as the key social achievements, challenges and hopes for the European Union.


Product News
Application of cable seal at petroleum transportation
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Update time : 2018-01-15 14:06:46
Application of cable seal at petroleum transportation
The new type anti-fake cable seal is researched and developed by using current advanced QR code technology and combining specific features of refined petroleum road transportation. Its QR code label and sealing mechanism adopts integrated sealing structure to ensure the solidness of the whole. This product solves the problems of old type seals such as low duplicate cost, easy in duplicate, no encryption information, bad anti-fake performance, improves the safety of refined petroleum transportation, and realizes the purpose of anti-stolen effect.
Different colors distinguish of seals: the seals of dispatching vehicle and returning vehicle to gas station adopt different colors and with different marks to make the distinguish. Different colors of seals can directly identify the dispatching units of seals, and can check the marks according to color, which can greatly improve the anti-fake performance of seals.
Different serial numbers distinguish of seals:
each province or area has unique serial number to prevent the confusion of seals. Different use of seals can further improve seals management, increase duplicate difficulty and improve the safety of refined petroleum transportation. Security seals record check: make record at each time use of seals to check. Before leaving gas station or petroleum warehouse, security seals must be confirmed of finish. And make record of seals serial number and vehicle number, and verify after arriving at destination. Barcode check: mainly depend on serial number and basing on barcode when checking seals to make the distinguish of anti-fake cable seals.
Barcode Wire Seal
Barcode has the following features:
（1）High-density code, large information capacity: can account over 1850 letters or 2710 numbers or 1108 bytes or over 500 characters, which is higher dozens of information capacity comparing with common code.
（2）Wide coding range: this code can encode pictures, voices, characters, signatures and fingerprints which can be digited, and show by code; can display multi-language and characters; can display picture data.
（3）Strong fault-tolerant ability, have the function of error correction: QR code can correctly read when part is defected due to hole penetration or damage, and information can be recovered if damage area reaches 50%.
（4）High decrypt reliability
（5）Introduce encryption measure: conduct specific encryption treatment according to users requirement, other companies or personnel are unable to read or analyze seals coding information without the authorization of encryption or reading, which greatly improves anti-fake performance.


text:
Giovanni Antonio Scopoli (June 3, 1723 - May 8, 1788) was an Italian-Austrian physician and naturalist.
Scopoli was born at Cavalese in the Val di Fiemme, the son of a lawyer. He obtained a degree in medicine at University of Innsbruck, and practiced as a doctor in Cavalese and Venice. Much of his time was spent collecting plants and insects in the Alps. He spent two years as private secretary to the Count of Seckan, and then was appointed as physician of the mines in Idrija, a small village in Slovenia, remaining there for sixteen years. In 1761 he published De Hydroargyro Idriensi Tentamina on the symptoms of mercury poisoning among miners.
Scopoli spent time studying the local natural history, publishing Flora Carniolica (1760) as well as a major work on entomology. He also published Anni Historico-Naturales (1769-72), which included descriptions of new birds from various collections.
In 1769 Scopoli was appointed a senior lecturer at Mining Academy at Chemnitz, and in 1777 transferred to the University of Pavia. His last work was Deliciae Flora et Fauna Insubricae (1786-88), which included scientific names for birds and mammals described by Pierre Sonnerat in the accounts of his voyages.
The drug Scopolamine is named after him. The standard botanical author abbreviation Scop. is applied to species he described.


text:
Definition of grexCategorized under "General"
Definition as written by Terry:
A Greek name for herd; in taxonomy it refers to the group name for all offspring from crossing the same two (or more) parents. The term is frequently used among Orchid hybridizers.
Definition as written by Joan:
In orchid terminology: A group name for all plants of a cross between the same two species or hybrids
Add a definition to this term


text:
1press against (something) lightly several times with a piece of absorbent material in order to clean or dry it or to apply a substance:he dabbed his mouth with his napkin [no object]:she dabbed at her eyes with a handkerchief
apply (a substance) with light quick strokes:she dabbed disinfectant on the cut
2 dialect strike with a light blow.
1a small amount of something:she licked a dab of chocolate from her finger
a brief application of a piece of absorbent material to a surface:apply concealer with light dabs
2 (dabs) British informal fingerprints:the catalogue is being dusted for your dabs
Middle English: symbolic of a light striking movement; compare with dabble and dib


text:
Let Ω ⊂ Rn be a bounded domain and let f : Ω × RN × RN×n → R. Consider the functional
over the class of Sobolev functions W1,q(Ω;RN) (1 ≤ q ≤ ∞) for which the integral on the right is well defined. In this paper we establish sufficient conditions on a given function u0 and f to ensure that u0 provides an Lr local minimizer for I where 1 ≤ r ≤ ∞. The case r = ∞ is somewhat known and there is a considerable literature on the subject treating the case min(n, N) = 1, mostly based on the field theory of the calculus of variations. The main contribution here is to present a set of sufficient conditions for the case 1 ≤ r < ∞. Our proof is based on an indirect approach and is largely motivated by an argument of Hestenes relying on the concept of 'directional convergence'.