If I choose to work on other projects in my own time, then I say that is my business.

This paper introduces the permeation mechanism of VOC in membranes and commonly used separation processes. According to the technical characteristics of every production process, recycling of VOC such as ethylene, propylene, chloromethane and chloroethylene by using combined technology of membrane separation and condensation is summarized.

介绍了有机蒸气渗透膜原理和分离过程特点，根据各生产过程工艺特点，概述了应用膜分离压缩冷凝集成技术，分离与回收乙烯、丙烯、氯甲烷和氯乙烯等有机蒸气过程。

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The improved device was used to determine micro water in isobutene or chloromethane, RSD was 5.8%, and recoveries were 92.4%~ 103.7%.

利用改进后的装置测定聚合级异丁烯、氯甲烷中微量水，平均相对标准偏差为5.8%，回收率为92.4%~1037%；

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Three processes producing chloromethane by the hydrochlorination of methanol: gas liquid phase non catalytic process, gas liquid phase catalytic process and gas solid phase catalytic process were introduced briefly.

简要介绍了甲醇氢氯化法制备氯甲烷的3种技术路线：气-液相非催化法、气-液相催化法和气-固相催化法。

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Chloromethane is an important material to produce organic silicon ( Methyl chlorosilicons), cellulose, quaternary ammonium compounds, weedicide.

氯甲烷是合成甲基氯硅烷、纤维氯酯、季胺化合物、除草剂等的重要原料。

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Do not clean PC sheets with benzene, gasoline, acetone, or tetra chloromethane.

勿用苯、汽油、丙酮或四氯化碳清；

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Successfully established chloromethane recovery soft sensor model based on the mechanism analysis and chloromethane water content soft sensor model based on support vector machine improvement increment learning.

将软测量技术应用于氯甲烷回收过程的质量指标在线估计研究中，成功建立了基于机理分析的氯甲烷回收率软测量模型和基于支持向量机改进增量学习的氯甲烷含水量软测量模型。

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The research results is helpful for controlling chloromethane water content and recovery rate, and is helpful to improve the economic benefits of chloromethane recovery.

研究成果为氯甲烷含水量和回收率的质量控制提供了重要依据，也有助于提高氯甲烷生产过程的经济效益。

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The economical scale of manufacture devices for chloromethane is one of the critical techniques to restrict the development of the national organosilicon industry.

而作为合成甲基氯硅烷的基础原料，氯甲烷成本占甲基氯硅烷成本的40%，氯甲烷生产的经济规模化一直是制约我国有机硅行业发展的关键技术之一。

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Determination of the Volatile Halohydrocarbons in Chloromethane Industrial Waste Water by Headspace Gas Chromatography

顶空气相色谱法测定氯甲烷工业废水中挥发性卤代烃

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Pilot Research on Fluorochemical Wastewater Containing Chloromethane by Iron Reduction/ flocculation Process

铁还原&絮凝法处理氟化工甲基氯化物废水中试研究有机氯化物的酪氨酸酶处理技术

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The Design and Optimization of Membrane Process for Chloromethane Recovery from the Vent Gas of Organic Silicon

膜法回收有机硅尾气中氯甲烷流程设计与优化质子交换膜燃料电池堆运行参数优化设计

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Vibration of center submerged pipe of chloromethane converters and its countermeasures

一氯甲烷转化器中心浸入管的振动及解决办法

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Application and prospects of graphite heat exchangers in production of chloromethane

石墨换热器在甲烷氯化物生产中的应用及发展前景

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Chloromethane water content and recovery rate are two important indexes to estimate the performance of recovery device.

氯甲烷含水量和回收率是衡量氯甲烷回收装置性能的两个重要指标。

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Little Mary: I find in my history book there is always such number ( 1451-1560) after the name Christopher Columbus.

小玛丽：我在历史书中发现，克里斯托弗·哥伦布这个名字后面老是有（1451-1560）这几个数字。

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Christopher Columbus, Genoa's most illustrious son, would be a customer.

热那亚最杰出的后裔克里斯托弗哥伦布（Christopher Columbus）也是其客户。

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It originates from Italian explorer Christopher Columbus, who is obviously a critical part of U.S. history.

它起源于意大利探险家克里斯托弗·哥伦布，而他显然是美国历史上关键的一部分。

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Christopher Columbus sailed to North America in 1492.

1492年克里斯托弗·哥伦布航行到北美。

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But in his time, a lot of people thought that Christopher Columbus was a crackpot.

可是哥伦布的情况就不一样了。当时人们认为他很怪，有神经病，因为他说航行可以围绕地球转，但是事实证明他是对的，所以他是聪明，不能算是crackpot。

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This may be the spot where Christopher Columbus rached America.

这里也许是克里斯托弗.哥伦布到达美洲的地点。

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