Mathematica can be used to increase the precision of your measurements of the time delays. called sound analysis.nb shows examples using some of the commands below. You should save your les as .wav les from audacity, using Export. microphones. supplied equipment. a value for the speed of sound in air.
exists and is an alternate of . Making the world better, one answer at a time. After blood clots, the fluid that remains is referred to as serum. Plasma is the fluid portion of the blood before clotting or in the presence of an anticoagulant. SerumAfter blood clots, the fluid that remains is referred to as serum.
The red tubes indicate a tube without an anticoagulant or plymer (gel) barrier and is used for the collection of serum. Thus, the collected blood will clot in this tube. After the blood is collected in the tube, the clotting process begins and takes at least 30 minutes for the fibrin clot to form.