reagents, internal standards, surrogates, glassware, apparatus, equipment, solvents and analyses. laboratory calibration blank An aliquot of reagent water, possibly adjusted in pH, but without addition of other reagents. laboratory dry blank or laboratory procedural blank An aliquot of solvent representing the volume used for RFS extraction treated as an environmental sample but not processed through resin or filters. instrument blank Verification of calibration blank continuing check blank
Here's how you can check your memory usage in real time in Ubuntu. 1. Open a terminal window. 2. Type in the following command then hit Enter. watch -n 1 free -m 3. You can also use this command: watch -n 1 cat /proc/meminfo. For more, see the original article at the link below.
To change the time on the system to point at an SNTP server change the Time Setting Config Source to point at the SNTP option in the drop down box. Put in the Time Server Address and just check the other settings....they should be fairly self-explanatory.here are a couple of easy ways to do this. Log on to the System Administrator console and select the system on the left hand list. Make sure you have the System tab also selected and you will see a box called Time Settings. Just above this is a drop down list box called Time Setting Config Source.