Metamorphism is a __________________ that involves no melt phase. 2. The protolith of a metamorphic rock is the (a) sibling (b) brother (c) parent (d) daughter (e) none of the above 3. Fabric refers to the way ____________ in a rock are arranged. 4. Foliation is defined by the _______________arrangement of minerals. 5.
Acamprosate has been used in Europe for the treatment of alcohol dependency since 1989. In 2004 it became the third drug to receive approval from the U.S. Food and Drug Administration for this indication, following disulfiram (Antabuse) and naltrexone (ReVia).
Poly (acrylic acid) (PAA) is hygroscopic, brittle and colorless in nature with Tg at nearly 106 o C. At temperatures above 200 to 250 o C, it loses water and becomes an insoluble crosslinked polymer anhydride. synthesizing poly(N-isopropylacrylamid e)-block-PAA copolymer which responds to both temperature and pH stimuli 2. â¢ in preparing block copolymer of oligo (methyl methacrylate)/PAA for micellar delivery of hydrophobic drugs 3. â¢ as thickening agent for adhesives.