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Influence of such factors as chemical structure and physical properties of LCP, solvent or diluent, and concentration of LCP etc.

重点讨论了LCP的化学结构和物理性质、溶剂或稀释剂、以及LCP的浓度对均相ER液性能的影响。

The results show that the ionic liquid Et〓NHCl-AlCl〓 is an effective catalyst for the dimerization.

研究的结果表明,Et〓NHCl-AlCl〓是二聚反应的高效催化剂,反应无需加热且在无溶剂条件下得到的主要产物为环状二聚物1,1,3-三甲基-3-苯基茚满,反应在80℃、进行5min即可达到转化率100%、茚满的选择性为97.3%。

In our experiments, ethylene glycol dimethyl ether is selected as the reaction solvent.

在本研究工作中,以乙二醇二甲醚为反应溶剂

In experiment dioxane was choosed as the best solvent for extraction of pigment and capsaicin from Capsicum frutescens L .

以贵阳的干红辣椒为原料,选用二氧六环为最佳提取溶剂

The velocities of reaction of ethyl acetate with sodium hydroxide in dioxane- water mixture have been determined in seven different temperatures(5°,10°, 15°,20°,25°,30°and 35°).

作者在7具不同温度(5°,10°,15°,20°,25°,30°,35°)下,研究了乙酸乙酯和氢氧化钠在二氧六圜和水的混合溶剂中的反应速度。

Objective: To study the effects of pentabrominated diphenyl ethers on the structure and function of reproductive system in rats and mechanism.

目的:研究五溴联苯醚对大鼠生殖系统结构和功能的影响及其机制方法:在五溴联苯醚对雄性大鼠生殖系统作用的时效关系研究中,选取健康23日龄雄性SD大鼠40只,体重40~60g,随机分为8组,每组5只,分别为染毒5、15、30、45d的实验组和溶剂对照组。

Diphenylbenzidine was synthesized by diphenylamine using glacial acetic acid and water as solvent in acidic condition.

摘 要:以二苯胺为原料,水和冰醋酸为溶剂,在酸性条件下一步合成二苯基联苯二胺,该方法具有操作简单,原料易得等优点。

Solute-solvent interactions are of current interest in all branches of chemistry and in other disci...

溶质-溶剂相互作用的经验知识和理论目前在所有化学分支和相关领域部有重要的意义。

It is also a solvent and general disinfectant .

它也是一种溶剂和消毒剂。

The factors,which affect the disintegration and dissolution of the detergent tablet,such as the types of surfactants and builders ,particle size,pressure,binders,hydrotrope and disintegrant were especially discussed.

分析对比了片状洗涤剂和浓缩粉在配方上的相同点和主要区别,特别对影响片状洗涤剂成型和溶解速度的主要因素,如表面活性剂和助剂原料、造粒方式和粒度大小、压片强度、黏合剂、水助溶剂及崩解剂种类等技术特点进行了讨论。

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