查询词典 chloric ether

Objective］ The research aimed to improve the comprehensive surface performance of lauryl polyoxyethylene ether (AEO3) by means of modification.［Method］ AEO3 was synthesized from lauryl alcohol and epoxy ethane, which reacted with liquid chloroacetic acid to produce modified AEC.

［目的］对月桂醇聚氧乙烯醚（AEO3）进行改性来提高它的综合表面性能［方法］用月桂醇、环氧乙烷合成月桂醇聚氧乙烯醚（AEO3），再用AEO3与液体氯乙酸反应改性合成AEC。

A novel anionic gemini surfactant,didodecyl-ethoxylate bis-sodium sulfate was prepared in three steps using lauryl alcohol,glycol-epiglyceride and chlorosulfonic acid as raw materials and BF_3-ethyl ether as catalyst.The chemical structure of the product was confirmed by IR spectrum.

以十二醇、乙二醇二环氧甘油醚和氯磺酸为原料，以BF3-乙醚为催化剂，通过三步法制备阴离子型双子表面活性剂双十二烷基乙氧基二硫酸酯钠；红外光谱对其结构进行了表征，测定了其表面活性和发泡力等性能。

The ether phase was dried over Na2SO4, filtered, and concentrated in vacuo.

乙醚阶段是干超过硫酸钠，过滤，并集中在真空中。

The combined ether phases were dried over Na2SO4, filtered, and concentrated in vacuo.

合并 醚阶段干燥超过硫酸钠，过滤，并集中在真空。

Group A = atmospheres containing acetylene; Group B = atmospheres containing hydrogen; Group C = atmosphere containing ethyl-ether vapors, ethylene, or cyclopropane; Group D = atmospheres containing gasoline, hexane, naphtha, benzene, butane, propane, alcohol, acetone, benzol, lacquer, solvent vapors or natural gas.

组A =大气中含有乙炔；组B =大气中含有氢；组C =大气中含有乙醚蒸汽，乙烯，或环丙烷；组D =大气中含有汽油，乙烷，石脑油，苯，丁烷，丙烷，酒精，丙酮，不纯苯，漆，溶剂蒸汽，或天然气。

Thus,the effects of the trace of impurities such as water,methanol and diethyl ether in the feedstocks on the stability of catalytic properties and deactivation of the chloroaluminate ionic liquid were studied in continuous alkylation.

在连续操作的烷基化实验装置上考察了烷基化原料中的微量水、甲醇和乙醚对离子液体寿命和催化性能的影响。

The virus was not sensitive to chloroform, diethyl ether and trypsin and possessed acid-resistant and heat-resistant features.

病毒核酸类型鉴定为RNA病毒。生物学和理化学特性鉴定结果表明，GD株为强毒DHV。

Rats were fed a purified diet for 6 wk before anesthesia with1 of 3 anesthetics: carbon dioxide, diethyl ether, or isoflurane.

大鼠在用纯净的饲料喂养6周后，分别用二氧化碳、乙醚、异氟醚麻醉。

Thermodynamics analysis for the reaction system showed that high-temperature was favorable to produce ethylene, but byproduct diethyl ether yield increased under low-temperature.

对乙醇脱水的热力学分析表明，高温有利于目的产物乙烯的生成，低温有利于副产物乙醚的生成。

The reaction was stirred for the given time (the reaction was followed by TLC) after which the methanol was removed and the residual ionic liquid was extracted with diethyl ether (3 15 mL).

反应搅拌为在给定的时间（反应，其次是薄层色谱法）后，其中甲醇被删除，剩余的离子液体中提取二乙酯基醚。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48