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.
This procedure provides information on switching to a different Internet time server. 1. Open Date and Time in Control Panel. 2. Click the Internet Time tab. The Internet Time tab is not available if your computer is a member of a domain. 3. Select the Automatically synchronize with an Internet time server check box. 4. In the Server list, click the arrow, and then click the time server you want to use.