—洗发水里含有大概15种化学物质，包括十二烷基硫酸钠、乙二氨四醋酸四钠（译者按：化妆品中的隔离剂，可用作抗菌剂和防腐剂）和丙二醇。 而这三者都是已知的会损害眼睛的物质。
Shampoos contain around 15 chemicals including Sodium Lauryl Sulphate, Tetrasodium and Propylene Glycol, known to cause eye damage.
环氧乙烷广泛应用于合成乙二醇、二甘醇、三甘醇、乙醇胺、乙二醇醚和乙氧基化合物。
EO is widely used in synthesis of EG, diethylene glycol, triethylene glycol, aminoethyl alcohol, glycol ether, and oxyethylation compounds.
这些香料都是以草酸二乙酯与相应的醇为原料，通过酯交换反应来合成的。
This flavour is synthesized by the ester interchange using diethyl oxalate and relative alcohol as materials.
研究在脂肪醇乙氧基化物储存和搬运时的氧化稳定性。
The oxidative stability of alcohol ethoxylates during storage and handling is studied.
生物法生产手性乙偶姻及(2s,3s) - 2,3 -丁二醇的研究。
Study on Production of Chiral Acetoin and (2s, 3s) -2, 3-butanediol by Biocatalysis.
由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应，合成了硬脂酸蔗糖酯。
The ethyl stearate react with sucrose and to synthesize the sucrose fatty acid ester in the poisonless solvent (propanediol).
在乙腈、聚乙二醇存在下，用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚。
In the presence of ethanonitrile and polyethylene glycol, anisole reacts with ammonium ceric nitrate to form o-nitroanisole.
采用直接酯化法，将山梨酸与四种醇反应，合成了山梨酸甲酯、乙酯、丙酯、丁酯。
Methyl, ethyl, propyl and butyl sorbates were synthesized by esterification of sorbic acid with four kinds of alcohol respectively.
考察了催化剂处理方式、醇酸比、催化剂用量、反应时间对合成乙酸乙酯的影响及催化剂重复使用的活性。
The effects of catalyst treated methods, catalyst quantity, reaction time, acid-alcohol ratio and catalyst length-of-live are studied in batch synthesis of acetic ether.
腐蚀抑制剂，可用于本发明包括，但不仅限于，乙氧基丁炔二醇，石油磺酸盐，混合丙炔醇和硫脲。
Corrosion inhibitors that may be used in the present invention include, but are not limited to, ethoxylated butynediol, petroleum sulfonates, blends of propargyl alcohol and thiourea.
由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应，合成了硬脂酸蔗糖酯。
The poison methyl alcohol has been replaced by alcohol to react with Stearic acid and to synthesize the ethyl stearate.
提出了以高氯酸为催化剂，分析纯乙酸乙酯为介质，乙酰化法测定伯、仲醇的实验条件，实现了对经典方法的改进，简化了操作程。
The experimental condition of acetylating method for determining priminary alcohol and secondary alcohol catalyzed by perchloric acid in the medium of analytically pure ethylacetate is proposed.
介绍了世界乙二醇、精对苯二甲酸、 聚对苯二甲酸乙二酯及其纤维、瓶用树脂等聚酯产业链的生产新动向和需求预测。
The article gives an account of the new production trends and demand forecast of the world's PET industry chain in EG, PTA, PET and its fiber and bottle grade resin.
介绍了近年来脂肪醇乙氧基化窄分布催化剂的研究进展。
The development of narrowly distributed catalysts for the ethoxylation of fatty alcohol is summarized.
在气相色谱上，乙酰乙酸甲酯、乙酰乙酸乙酯、3-氧代戊酸甲酯与醇在无任何催化剂存在下，发生酯交换反应。
Gas chromatography(GC) as a chemical reactor, methyl acetoacetate, ethyl acetoacetate, and methyl(3-oxo) pentanoate can undergo transesterfication with various alcohols without any catalyzers.
利用正交试验研究了酯交换法制备卤虾油脂肪酸乙酯的工艺，分析了催化剂用量、反应温度、反应时间、无水乙醇用量等对醇解率的影响。
Meanwhile the influence of the amount of catalyst alkali ethylate and absolute alcohol, the temperature and time of reaction on interesterification was studied.
乙氧基化制得的烷基酚聚氧乙烯醚产品分子量分布窄，浊度高，外观色泽好，副产物聚乙二醇（PEG）低。
The polyoxyethylene alkyl phenyl ether obtained by calcium oxide catalyst had perfect quality with narrow molecular weight distribution, high cloud point, good appearance and low by - product PEG.
结论乙氧硬化醇组本益比高于鱼肝油酸钠组。
Conclusion Higher cost-effectiveness ratio was found in aethoxysklerol group.
阐述了乙二醇的几个主要合成方法，着重介绍了合成乙二醇的新技术方法：碳酸亚乙酯法。
The main synthetic methods of ethylene glycol was described. The ethylene glycol was synthesized by ethylene carbonate that is a new method which was importantly introduced.
为了解决这个限制，一个低分子量增塑剂如甘油数量，山梨醇，柠檬酸三乙酯使用。
To remedy this limitation, a number of low molecular weight plasticisers such as glycerol, sorbitol and triethyl citrate are used.
产品成份：去离子水、丙二醇、丙烯酸聚合物、西曲氯铵、木瓜提取液、海藻提取液、DMDM乙内酰脲、香料。
Ingredients: Deionized Water, Propylene Glycol, Acrylic Acid Copolymer, N-Hexadecyltrimethylammonium Chloride, Papaya Extract, Alga Extract, DMDM Hydantoin, Essence.
结果在青果和小果类型中，五味子醇甲、五味子甲素、五味子乙素的含量显著高于其它变异类型。果穗的性状对质量无显著影响。
Results The contents of schizandrin, deoxyschizandrin and schisandrin B in the green fruit and small fruit are higher than the other variation types.
产品成分：去离子水、丙二醇、丙烯酸聚合物、西曲氯铵、木瓜提取液、甘草提取液、DMDM乙内酰脲、香料。
Ingredients: Deionized Water, Propanediol, Acrylic Acid Polymer, N-Hexadecyltrimethylammonium Chloride, Pawpaw Extract, Melarrest l, DMDM Hydantoin, Essence.
由于环保要求的提高，醇基硅酸乙酯的使用受到限制， 硅溶胶的应用越来越广泛。
The use of alcoholic ethyl silicate would be restricted and the silica sol would be more and more extensive because of the more strict environmental protection requirement.
采用乙酸乙酯为溶剂，粉状活性炭吸附精制异山梨醇粗品，得出适宜的精制条件，其精制品质量符合USP2 4版质量标。
Using ethyl acetate as solvent, isosorbide can be refined with actived carbon, the suitable condition can be obtained and the product quality meets the quality standard of USP24.
在反应液中加入乙氧基喹啉，可以保护天然维生素E和植物甾醇不被破坏，整个反应在管式反应器进行。
Ethoxyquinoline is added in reaction liquid for protecting natural vitamin E and plant sterol from being destroyed; and the integral reaction is operated in a tube type reactor.
考察了几种生物酶作为脂肪醇乙氧基化催化剂的催化活性。实验发现脂肪酶在乙二醇存在的条件下，能使环氧乙烷开环聚合生成脂肪醇聚氧乙烯醚。
Ethoxylation of n_octanol catalyzed by a few of enzymes were studied and the results showed that only lipase with glycol has a certain catalytic activity.
前言： 目的：总结采用经支气管镜支气管黏膜下注射硬化剂-1%乙氧硬化醇治疗肺切除术后支气管胸膜瘘的临床经验。
Objective:To summarize our experience on treatment of bronchopleural fistula through submucosal injection of sclerosing agent-1% polidocanol using flexible bronchoscope.
在白酒标样分析中，使得乙醛、甲醇、乙酸乙酯的色谱峰能够分开，比现有的聚乙二醇（PEG-20M）柱的分析方法更为便捷。
The separation of methanol, acetaldehyde and ethyl acetate in the standard liquor sample on the monolithic column is much more convenient than that on PEG-20M columns.
在白酒标样分析中，使得乙醛、甲醇、乙酸乙酯的色谱峰能够分开，比现有的聚乙二醇（PEG-20M）柱的分析方法更为便捷。
The separation of methanol, acetaldehyde and ethyl acetate in the standard liquor sample on the monolithic column is much more convenient than that on PEG-20M columns.
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