âthere are two leitmotifs in his score marking the heroine and her Fairy Godmotherâ. âAs a result, his body and its ailments become the leitmotif of the novel.â. âThe book of Jonah is a leitmotif in this novel for illustrating this idea.â. âThe key leitmotiv throughout Richard Hooker's writings is the concept of order.â. âThe work abounds in leitmotivs, the most important of which are those relating to Holmes and Watson.â.
What is Synvisc-One made from? The injection contains a gel-like mixture made from a substance called hyaluronan (pronounced hy-al-u-ROE-nan) that comes from chicken combs. Hyaluronan is a natural substance found in the body and is present in very high amounts in joints.
Polyurethane foams are now used in high-temperature oil filter applications. Polyurethane foam (including foam rubber) is sometimes made using small amounts of blowing agents to give less dense foam, better cushioning/energy absorption or thermal insulation.on-isocyanate based polyurethanes (NIPUs) have recently been developed as a new class of polyurethane polymers to mitigate health and environmental concerns. Polyurethane products often are simply called âurethanesâ, but should not be confused with ethyl carbamate, which is also called urethane.