show more The Contraction of the ventricles is referred to as (1), and the period of ventricular relaxation is called (2). The monosyllables describing heart sounds during the cardiac cycle are (3). The first heart sound is a result of closure of the (4) valves; closure of the (5) valves causes the second heart sound. The...
Quick Answer. A microfiche is a single sheet of plastic that contains several images of pages of text, whereas microfilm is a long spool of plastic film that winds and rewinds to view images of text. In both instances, these microforms require a projection system whereby images of microfiche and microfilm appear on a backlit screen to be viewed.
Microfiber-a high-tech blend of polyester and polyamide (nylon) that makes for superior cleaning capabilities. The fibers are 100 times thinner than a human hair. Microfiber's absorbing power is quicker than normal cotton.Like a sponge, fine pores absorb water as well as lift and trap dust, dirt, bacteria, and grime.nlike cotton and other materials, microfiber actually grabs on to the dirt and dust and pulls it away from the surface. It does not scratch, but it acts as a trap for dirt, bacteria, and dust. The pictures below illustrate how it works. Microfiber is far superior at removing dirt, dust, bacteria, etc. from the surface.