膽烯酸 的英文怎麼說
中文拼音 [dǎnxīsuān]
膽烯酸
英文
cholenic acid-
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化劑，研究了膽酸甲酯分子中羥基的反應活性。A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage
本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。Polymer dispersed liquid crystal ( pdlc ) films are prepared from photo - polymerization of ( cholesteryl acrylate / 2 - hydroxyethyl methacrylate / liquid crystal ) mixtures induced by ultraviolet radiation
摘要選用丙烯酸膽固醇酯甲基丙烯酸-羥乙酯液晶復合體系，在紫外光照射下制備聚合物分散液晶薄膜。Resistance would be developed when the activities of any of these three enzymes are increased. the three insecticide target - sites are acetylcholinesterase ( ache ) for organophosphate and carbamate insecticides, voltage - gated sodium channels : knockdown resistance ( kdr or kdr - type ) for ddt & pyrethroids and y - aminobutyric acid ( gaba ) receptors for cyclodienes
殺蟲劑的作用靶標主要有：有機磷和氨基甲酸酯殺蟲劑的作用靶標?乙酰膽堿酯酶； ddt和擬除蟲菊酯類殺蟲劑的作用靶標?神經軸突鈉離子通道；環戊二烯類和吡唑類等殺蟲劑的作用靶標? -氨基丁酸（ gaba ）受體-氯離子通道復合體。分享友人