• 研究了乙烷裂解乙烯过程影响因素

    The influence factors of the dichloroethane pyrolysis to vinyl chloride were studied.

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  • 本文对一种新的化学闭路循环方法作了初步探讨

    A new closed-cyclic thermochemical method for preparation of chlorine and soda has been studied.

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  • 根据这些问题本文主要三个方面海水直接电解过程进行研究。

    According to these problems, this article discusses the process of producing chlorine from seawater direct electrolysis from three aspects.

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  • 将新得的3-新戊酰回流的填充蒸馏塔中进行

    The chlorination of pivaloyl chloride to prepared 3-chloropivaloyl chloride was took place in a packed distillation column with total reflux.

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  • 分离混合、对甲苯氧化得混合邻、对甲酸

    Chlorobenzoic acids can be synthesized by oxidation of mixed chlorotoluene which was difficult to separate.

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  • 糠醛为原料,先得顺丁烯,用顺丁烯二酸锗烷在酸性条件下加成,然后水解得到1,1,2 乙烷三羧酸,收率71%。

    The preparation of 1,1,2 ethanetricarboxylic acid from addition reaction of maleic acid with germaniumane trichloride under acidic condition, then hydrolysis has been investigated, the yield is 71%.

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  • 得的叉二进行真空精馏得到纯度精品;

    The refined product with high purity is obtained by vacuum distillation of crude benzal chloride.

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  • 若丹明110合成,2,7—二荧光素它们激光特性的研究

    Study on the synthesis of Rhodamine110, the Parification of 2.7-dichlorofluorescein and Laser Charateristic of them.

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  • 酚经污水净化处理产生饮用水时,出的并不全是安全的饮用水,相反,它会包含甲烷在内的其他化学物

    When triclosan is runthrough a treatment plant to make drinking water, it doesn't exactly make safe drinking water. Instead, it makes other chemicals that can include chloroform.

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  • 运用DPD (N, N -二乙基对苯二胺)分光光度法,建立快速分析工艺过程各种胺含量方法

    A rapid analysis method for all forms of chloramines in water production process was developed by using n, N-Diethyl-p-phenylenediamine (DPD) spectrophotometry.

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  • 乙烯:属于有机聚合物合成树脂。通常氧化物催化剂处理乙烯基得。

    Synthetic resin, an organic polymer made by treating vinyl chloride monomers with a peroxide.

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  • 目的探讨改进合成普拉洛方法方法2-烟酸原料缩合还原取代酰化等得普拉洛芬。

    Objective To study the synthetic method of pranoprofen. Methods Pranoprofen was synthesized from 2-chloronicotinic acid by condensation, reduction, substitution and acylation.

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  • 介绍烃类水蒸气转化工艺原料要求加烯烃芳烃杂质含量以及轻油的等。

    Feedstock demands meeting hydrocarbon steam reforming process including impurity contents of olefins, aromatics, sulfur, arsenic and chloride, as well as dry point of light fraction were introduced.

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  • 发明公开了由二乙烷精馏偏二乙烯方法。

    The present invention discloses the preparation process of vinylidene chloride from dichloroethane rectifying residual liquid.

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  • 发明公开了由二乙烷精馏偏二乙烯方法。

    The present invention discloses the preparation process of vinylidene chloride from dichloroethane rectifying residual liquid.

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