2. Using a 4X4 gauze or tissue, slowly remove the stopper by easing the stopper up and away from you and taking care not to agitate the tube and disturb or mix the cells into the serum/plasma. 3. Using a transfer pipette, transfer the serum/plasma from the original tube into the labeled transfer (aliquot) tube. Do not get to close to the red cells at the bottom. 4. Centrifuge the transfer (aliquot) tube. 5.
Types. THHN wires come in two basic formats -- stranded and solid core. As a stranded cable, THHN is available in sizes from 14 awg to 750 kcmiL, and as a solid cable in sizes 14 to 10 awg.It is generally manufactured in copper or aluminum.ave. Window framed with wires & tube image by diter from Fotolia.com. THHN stands for thermoplastic high heat-resistant nylon coated. This is a type of insulated electrical wire suitable for a variety of low-to mid-voltage applications and can safely handle a load of up to 600 volts.
Welding Electrical Current Direct current electrode negative (DCEN) â¢Electric current that flows from the electrode to the base metal. â¢When the electrical current flows in this direction. the electrode has a negative polarity and the base metal has a positive polarity. .