| 释义 |
acetic anhydride əˈsi:tikænˈhaidraid 短语⁸⁴³²⁰⁺⁸
基本英英例句例句
n.化乙酸酐;无水醋酸
Noun:
a compound that is needed in order to refine opium into heroin用作名词The Beckmann solution consists of acetic acid, hydrochloric acid andacetic anhydride, and was widely used to catalyze the rearrangement.贝克曼溶剂被广泛用来催化重排反应，其实际成分为乙酸，盐酸和乙酸酐。 The O- acetylation of tri-n- butyl citrate with acetic anhydride catalyzed by polyvinyl pyridine was explored.
采用聚乙烯吡啶为催化剂，对柠檬酸三丁酯进行 O-乙酰化反应。 chemyq
The refined lanolin is reacted with acetic anhydride to obtain acetylated lanolin.
精制羊毛脂和乙酰化羊毛脂均可做为皮革加脂剂的原料组份。 cnki
The effects of the amount of catalyst, the amount of acetic anhydride, reaction time, and addition of solvents etc. on the acylation reaction were investigated.
考察了催化剂用量、乙酐用量、应时间和溶剂的加入等因素对该酰化反应的影响。 dictall
An alcohol evaporator for production of acetic acid and acetic anhydride exploded during operation.
一种用于生产醋酸和醋酸酐的酒精蒸发釜在服役中发生了爆炸。 chemyq
Many of China's producers adopt interrupter chloration process by brimstone catalyst, however continuous chloration reactor by acetic anhydride catalyst has been used abroad.
我国绝大多数氯乙酸生产企业采用以硫磺粉为催化剂的间歇氯化生产工艺，而国外大都采用连续化氯化反应器，以醋酐为催化剂。 cnki
Sulfuric acid and acetic anhydride were used as a cyclizing agent to prepare Ofloxacin intermediate.
用硫酸乙酐混合物作环合剂，制备了氟嗪酸中间体。 dictall
Sulfuric acid and acetic anhydride were used as a cyclizing agent to prepare Ofloxacin intermediate. The reaction could be carried out under moderate conditions and facilitate industrial produce.
用硫酸乙酐混合物作环合剂，制备了氟嗪酸中间体．该方法具有反应条件温和、价格便宜、后处理简单的优点，适用于工业化生产。 chemyq
Using water or sodium carbonate solution as the reactive medium, acetanilide was synthesized by aniline and acetic anhydride as the starting materials.
在水或碳酸钠溶液中，对用苯胺和乙酐为原料合成乙酰苯胺进行了研究。 iciba |