DCA就是1 2 -二氯乙烷的化学名称简写。
Scientists also know DCA by its chemical name, 1, 2-dichloroethane.
墨西哥湾居民患病：血液测试确认含有乙苯，二甲苯以及很高成分的乙烷。
Gulf residents are getting sick: blood tests confirm ethylbenzene, xylene, and high levels of hexane.
4 -二恶烷是一个叫做乙氧基化的化学加工过程的副产品，在这个过程中，化妆品原料和环氧乙烷一起进行处理。
4-dioxane is a byproduct of a chemical processing technique called ethoxylation, in which cosmetic ingredients are processed with ethylene oxide.
像HFC-134a（化学名称为:1，1，1，2——四氟乙烷）之类的却非如此角色。这种各工业所使用的气体的排放物致使全球变暖的程度比起二氧化碳的要高出1000多倍，大量排出则造成大量污染。
The same is not true for, say, HFC-134a, a gas with various industrial uses that delivers more than 1,000 times more warming than carbon dioxide, mass for mass.
根据分析结果，制定了二氯乙烷的安全储存方法。
Based on the analysis results, the safe storage method of ethylene dichloride has been made.
本系列产品是以乙二醇为起始剂与环氧乙烷聚合制得的化合物。
This series products are compounds polymerized from ethylene oxide as initiating agent and EO.
乙炔还原为乙烯和乙炔还原为乙烷的反应二者不相关。
The reduction of acetylene to ethylene and that of acetylene to ethane were not parallel.
对于纯气体形成水合物，甲烷形成的温压条件最高，丁烷最低，乙烷和丙烷介于二者之间。
For simple gas hydrate formation, the temperature and pressure of methane hydrate is highest, butane is lowest, and ethane and propane is between them.
最后，炼油厂排放很多的气体，如二氧化硫(SO2)、二氧化氮(NO2)、二氧化碳、一氧化碳、甲烷、双环氧乙烷、氟化氢、氯、苯和其他气体。
Finally, refineries emit many gases like sulphur dioxide (SO2), nitrogen oxide (NO2), carbon dioxide, carbon monoxide, methane, dioxins, hydrogen fluoride, chlorine, benzene and others.
研究了二氯乙烷裂解制氯乙烯过程的影响因素。
The influence factors of the dichloroethane pyrolysis to vinyl chloride were studied.
目的了解1，2 二氯乙烷对非洲绿猴肾细胞的损伤及其机理。
Objective To understand the injury mechanism of Vero cells (the kidney cells of the African green monkey) exposed to 1,2 Dichloroethane (DCE).
采用循环伏安法研究了不同电极上在1，2-二氯乙烷溶液中邻甲苯胺的电子转移性质。
We have investigated the electron-transfer properties of o-toluidine in 1 , 2-dichloroethane in different electrode with cyclic voltammetry.
为了研究1 ，2 二氯乙烷（1 ，2 -DCE）在静式吸入染毒条件下对脑组织的急性损害。
To study acute toxicity of brain tissue caused by 1,2-dichloroethane (1,2-DCE) under static inhalation.
以过氧化二苯甲酰（BPO）为引发剂，在1 ，2 -二氯乙烷溶液中进行了丙烯酸接枝ABS树脂。
The graft copolymerization of acrylic acid onto acrylonitrile butadiene styrene(ABS) terpolymer was initiated by benzoyl peroxide (BPO) in 1,2 dichloroethane solution.
以高氯酸锌为催化剂，环氧乙烷和低碳醇反应生成窄分子量分布的乙二醇单低碳醇醚，确定了适宜的工艺条件。
Reaction of lower primary alcohol and ethylene oxide was studied by zinc perchlorate as catalyst, and the products are narrow distributed. The suitable process conditions have been established.
这些聚合物的热稳定性都相当高，并且以聚二苯基硅乙烷为最稳定。
The heat stability of these polymers is all considerably high, of which polgdiphenylsilylethane is the highest.
本文介绍了一种用环氧乙烷生产羟已基乙二胺的新技术，列举了羟乙基乙二胺的性能及应用范围。
A new technology to produce hydroxy ethyl ethylene diamine using ethylene oxide is introduced in this paper. Its properties and application fields are also listed.
二氧化碳的作用是消除积炭以及与氢反应以提高乙烷的脱氢反应转化率。
The function of carbon dioxide is to remove coke and react with hydrogen to accelerate dehydrogenation of ethane.
职业性急性1,2 -二氯乙烷中毒诊断标准及处理原则。
Diagnostic criteria and principles of management of occupational acute 1, 2-dichloroethane poisoning.
介绍了环氧乙烷与二元醇的分离方法和条件。
The method and the condition of separation epoxy ethane from dihydric alcohol are described.
结论该工作场所空气中二氯乙烷污染对作业工人的急性损害和慢性影响是肯定的。
Conclusion the acute damage and chronic effect of the dichloroethane in workplace air to the worker is affirmed.
采用拟均相二维模型，对乙烯环氧化制环氧乙烷工业反应器的床层导热性能进行了模拟与分析。
The heat transport of catalyst bed in industrial reactor for epoxidation of ethylene to epoxy ethane has been simulated and analyzed by pseudo-homogeneous two-dimensional model.
用100％减去所发现的所有杂质重量百分数之和，包括水、酸、二氧化碳和醛类，即为环氧乙烷的重量百分比。
Sum in weight percent all the impurities found: water, acidity, carbon dioxide and aldehydes and subtract from 100.0 percent to obtain the percent by weight ethylene oxide.
介绍了在二氯乙烷裂解炉燃料气中添加氢气的工艺过程和效果。
The process of adding hydrogen gas in fuel gas of ethylidene chloride pyrolyzer and its effects were introduced.
二者在甲苯、乙烷的碳同位素组成，氮气和汞蒸气含量等方面存在着一定的差异。
They are different from each other in toluene contents, the carbon isotope composition of ethane and the nitrogen and mercury vapor contents, etc.
乙醇胺及其衍生物二乙醇胺和三乙醇胺由氨与环氧乙烷反应所得。
Ethanolamine and its derivative di-and triethanolamine result from reacting ammonia with ethylene oxide.
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.
综述了由环氧乙烷制乙二醇、环氧乙烷经碳酸乙烯酯制乙二醇、环氧乙烷催化水合制乙二醇及以合成气制乙二醇研究进展。
Latest advances in preparation of ethylene glycol(EG) were reviewed, including preparation of EG via catalytic hydration from ethylene oxide(EO) and ethylene carbonate(EC), as well as via syngas.
综述了由环氧乙烷制乙二醇、环氧乙烷经碳酸乙烯酯制乙二醇、环氧乙烷催化水合制乙二醇及以合成气制乙二醇研究进展。
Latest advances in preparation of ethylene glycol(EG) were reviewed, including preparation of EG via catalytic hydration from ethylene oxide(EO) and ethylene carbonate(EC), as well as via syngas.
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