butanoic

英语音标

英语翻译

丁烷的

英语例句

Among the more common acids are the butanoic acids, the pentanoic acids, the heptanoic acids and the octanoic acids. 丁酸、戊酸、庚酸和辛酸是更为常用的酸。

OBJECTIVE To study the synthetic method of 4,4-bis(diethoxyphosphoryl) butanoic acid. 目的探讨4,4-二(二乙氧膦酰)-丁酸的合成研究。

The major chemical constitutes in essential oil were ester and alcoho.The major chemical compound was butanoic acid ethyl ester (86.89%). 其主要成分是酯类、醇类物质，其中丁酸乙酯的相对含量高达86.

The major chemical constitutes in essential oil were ester and alcoho.The major chemical compound was butanoic acid ethyl ester((86.89%)). 其主要成分是酯类、醇类物质

The new synthetic compound of 2,2 dimethyl butanoic acid has been separated and analyzed by GC MS.2,2 dimethyl butanoic acid has been identified in the compound. 采用气相色谱-质谱联用法（GC-MS）首次分离鉴定了新合成的2，2-二甲基丁酸合成液，共分离出6个组分，经质谱裂解机理研究，鉴定出里面确含2，2-二甲基丁酸。