烷基族 的英文怎麼說
中文拼音 [wánjīzú]
烷基族
英文
alkyl group-
Direct alkoxylation of aromatic compounds is virtually unknown.
事實上還不知道芳香族化合物的直接烷氧基化的方法。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。Aliphatic alcohol ehter alkyl capping series products have many particular properties, such as, low foam, strong lipophilicity, strong acid - base stability, good emulsification, low pour point, little viscosity change, chlorinated stability, heat resistivity and good property of anti - coking
脂肪族醇醚的烷基封端系列產品具有很多獨特的性質，如泡沫低、新油性強、酸堿穩定強、乳化能力好、流動點低、粘度變化小，氯化穩定性、耐熱性、抗結焦性能力好。Surface active agents - fatty alkyl dimethyl amine oxides - determination of the amine oxide content ; german version en 1791 : 1997
表面活性劑.脂族烷基二甲胺化氧.氧化胺含量測定En 1791 surface active agents. fatty alkyl dimethyl amine oxides. determination of the amine oxide content
表面活性劑.脂肪族烷基二甲醇氧化胺.氧化胺含量測定分享友人