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Effects on the reaction of factors such as reactant ratio, reaction time, and reaction temperature were investigated, and optimum reaction conditions were determined as follows: mole ratio of cyanuric chloride to ethylamine to sodium hydroxide to sodium methyl mercaptide was 1:2.1:2.0:1.7, and the temperature and time of the first, second, and third substitution reactions were -2, 0, and 82℃ and 30, 60, and 180 min, respectively.

讨论了原料配比、反应时间和反应温度等因素对反应的影响,获得了较佳的反应条件。较佳反应条件为三聚氯氰:乙胺:氢氧化钠:甲硫醇钠=l:2.1:2.0:1.7,第一、第二、第三取代反应的反应温度和反应时间分别为-2℃、0℃、82℃和30、60、180min。

Simetryne is synthesized from cyanuric chloride, ethylamine and sodium methyl mercaptide in solution of the trichloroethylene.

以三聚氯氰、乙胺和甲硫醇钠为原料,以三氯乙烯为溶剂制备了西草净。

The appropriate conditions are that the mole ratio of cyanuric chloride to ethylamine, sodium hydroxide, sodium methyl mercaptide is 1:2.1:2.1:4.0, the temperature and time of first, second, third substitution reaction is respectively 0℃, 20℃, 78℃ and 10min, 30min, 480min.

适宜反应条件为三聚氯氰:乙胺:氢氧化钠:甲硫醇钠=1:2.1:2.1:4,第一、第二、第三取代反应的反应温度和反应时间分别为0,20,78℃和10,30,480min。

Simetryne was synthesized from cyanuric chloride, ethylamine, and sodium methyl mercaptide in a 50% isopropanol + water solution.

以三聚氯氰、乙胺和甲硫醇钠为原料,以50%异丙醇+50%水为溶剂制备了西草净。

The utilization of the 1981 IRRDB Hevea germplasm is very slow in China. For further characterization and evaluation of the germplasm, an analysis was made to evaluate the characteristics of latex regeneration and latex flow of the new Amazon Hevea germplasm by the method of latex diagnosis. Nine accessions of the germplasm were determined in terms of physiological parameters such as yield, initial flow rate, plug index, sucrose, thiols, phosphorus, magnesium, etc, with RRIM600 as the control.

我国橡胶树新种质创新利用进展缓慢,为了深入全面的鉴定橡胶树新种质,加速其利用进程,笔者采用胶乳诊断方法,测定分析了1986年定植于大田鉴定评价圃的14份橡胶树新种质与产排胶密切相关的干胶含量、干胶产量、排胶初速度、堵塞指数及胶乳硫醇、无机磷、蔗糖及镁离子含量等生理参数。

The objective of this article was to review the production of methyl mercaptan and the relationship of methyl mercaptan and periodontitis.

本文就甲基硫醇的生成机制及其对牙周组织的破坏机制进行综述。

A new technique to deal with methyl mercaptan by chlorine oxidation was introduced.

介绍了用氯氧化法处理化工生产单元中排放出的甲硫醇尾气新技术。

A process for separating the product gas mixture from the catalytic synthesis of methyl mercaptan.

一种催化合成甲硫醇的产品气体混合物的分离方法。

The development moiety which is released upon heating is usually a mercaptan.

经加热释放出的显影抑制剂的部分通常是硫醇

PART 3 : DETERMINATION OF HYDROGEN SULFIDE, MERCAPTAN SULFUR AND CARBONYL SULFIDE SULFUR BY POTENTIOMETRY.

硫化物的测定。第3部分:用电位计对碳酰基硫化物和硫醇,硫化氢的测定

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