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.
Clock shows 7 hours fast. I can set the clock to correct local time and can update with the time server. However, when I restart the machine, the correct time doesn't persist-it's just wrong again. This machine dual boots Windows 8 and Ubuntu Linux 12.10.. Go to the Start Screen, Right-click to get the All Apps icon in the lower right of the screen, and click it. 2. Select Control Panel. 4. Click the Internet Time tab, and change the server to time.nist.gov, then click update.