乙硫醇

A kinetic study on the photopolymerization of MMA with benzophenone/triethylamine/mer-captan system as initiator has been carried out in the presence of oxygen.

采用二笨甲酮/三乙胺/硫醇体系作为引发剂，在含氧条件下进行了MMA光聚合反应的动力学研究。

To probe into the role of GST in water stress,GST activities in the seedlings of common centipede grass treated by PEG6000 are investigated.

为探明谷胱甘肽转硫酶在水分胁迫中的作用，分别用聚乙二醇6000模拟干旱处理假俭草不同时间后，测定假俭草植株的质膜电解质渗透率，GST活性，H2O2和还原型谷胱甘肽含量。

Common centipede grass ; PEG stress ; GST ; H 2O 2; GSH

假俭草；聚乙二醇胁迫；谷胱甘肽转硫酶；双氧水；还原型谷胱甘肽

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 absorbency changes of both thiol and vinyl functional group were monitored independently by FTIR spectrometer during vinyl silazane photopolymerizing with ethanedithiol, Based on the results,the kenitics of reaction was studied and the convertion of both thiol and vinyl functional groups were investigated.

采用傅立叶变换红外光谱法跟踪巯基和乙烯基吸光度的变化，跟踪测定了光聚合反应过程中巯基和乙烯基的转化率，研究了乙二硫醇/乙烯基硅氮烷体系的光聚合反应动力学。

In this study, new benzo[l,2,3]thiadiazole derivatives were designed according to relationship of structure and efficacy. The 9 novel compounds were synsthesized with following reactions. The chlorine atom in 2-chloro-3,5-dinitro-benzoic acid as beginning raw material was substituted by 2-methylpropane-2-thiol, esterified then with bromoethane, reduced by iron powder and cyclized to obtain ethyl benzo[l,2,3]thiadiazole-7 after diazonation reation.

本论文根据苯并噻二唑诱导剂的构效关系设计了新的苯并噻二唑的结构，并合成了9个未见文献报道的化合物，合成步骤如下：采用2-氯-3，5-二硝基苯甲酸为起始原料，苯环上的氯原子被叔丁基硫醇置换，羧酸由溴乙烷酯化，硝基由铁粉还原，随后经重氮化关环生成苯并[1，2，3]噻二唑-7-羧酸乙酯。

The polymer particles were prepared by copolymerization of phthalic aldehyde, allyl mercaptan and ethylene glycol dimethacrylate after heating. The fluorescence intensity of the polymer particles was very weak.

利用邻苯二甲醛与烯丙基硫醇、乙二醇二甲基丙烯酸酯在偶氮二异丁腈引发下热聚合制得了一种新型聚合物颗粒。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。