硫醚

The sulfide was in the form of thiophene, mercaptan and thioether.

油样中的含硫化合物以噻吩类、硫醇和硫醚为主。

The analytical method for sodium methyl mercaptide was established based on the reaction in quantity between methyl mercaptan and iodine at the base condition.

采用甲硫醇与碘在碱性条件下定量反应生成双硫醚的反应原理，建立了甲硫醇钠的定量分析方法。

In this study,diallyl sulfides in garlic powder were identified via the introduction of Ag induced-ionization.

烯丙基硫化物由于弱极性不电离，本实验利用Ag+柱后诱导电离对大蒜粉剂中的含硫化合物进行质谱定性，并以二烯丙基三硫醚为参比，对各种二烯丙基含硫化合物进行定量测定。

Adsorption kinetics of ethanethiol and thiophene on 13X molecular sieves loaded with Ag+ was investigated in static state system.

在成品油中的硫主要是硫醇、硫醚、二硫化物和唾吩等有机硫化物。

Bunte salt was first prepared by α-furfuryl chloride and sodium thiosulfate. Then under the reaction of Bunte salt with 2-methyl-3-furanthiol in the presence of sodium hydroxide, furfuryl 2-methyl-3-furyl disulfide was prepared.

首先以α-糠基氯和硫代硫酸钠反应制备Bunte盐，然后Bunte盐与2-甲基－3-呋喃硫醇在碱性条件下反应合成了产品糠基2-甲基－3-呋喃基二硫醚。

Gas chromatography with sample-pretreatment by solid-phase micro-extraction and with pulse flame photometric detection was applied to the determination of 6 stenchy sulfides(hydrogen sulfide,carbon disulfide,methanethiol,1,2-ethanedithiol,dimethylthioether and carbonyl sulfide) in polluted air.

应用固相微萃取预处理技术，采用脉冲火焰光度检测器-气相色谱法测定污染空气中硫化氢、二硫化碳、甲硫醇、1，2-乙二硫醇、甲硫醚、羰基硫6种恶臭硫化物。

In order to get the aryl alkynyl thio ether, we need to synthesize some important terminal functional compounds. Based on the preceding reaearch of our laboratory, we selected methyl thio methyl phenyl sulfone as nucleophilic reagent to eract with aromatic aldehyde and synthesized successfully a series of methylthio aryl ethynes I_ by"one-pot"reaction .

本论文在大量的文献调研和本实验室过去研究结果的基础上，利用亲核硫试剂甲硫基甲基苯基砜(methylthiomethyl phenyl sulfone， MP-S)与芳香醛的&一锅反应&，成功的合成了一系列甲硫芳炔化合物I_，从而为实现形态各异的芳炔硫醚类分子提供了一个良好的构筑平台。

Influences of hydrogen sulfide, element sulfide, mercaptan, sulphuring ether, disulfide individually on silver strip corrosion of jet fuel, and of element sulphur coexisting with other sulfide on silver strip corrosion of jet fuel were studied.

考察了硫化氢、元素硫、硫醇、硫醚、多硫化物等单独存在时对喷气燃料银片腐蚀的影响；同时研究了元素硫与其它硫化物以不同浓度混合时对喷气燃料银片腐蚀的影响。

The results indicated that the total hydrodesulfurization ratio of sulfur-containing compounds of FCC gasoline was 86.3%, sulfide and tetrahydrothiophene were completely conversed, the hydrodesulfurization ratio of mercaptans was 96.6%, the hydrodesulfurization ratio of thiophene was 78.8%, the hydrodesulfurization ratio of alkyl-substituted thiophene was 85.8%, the hydrodesulfurization ratio of benzothiophene was 81.4% The conversed products of 3-methylthiophene were including little sulfur specie, isomerized sulfur specie (2-methylthiophene) and larger sulfur specie (2, 5-dimethylthiophene, 2,4-dimethylthiophene, 2,3-dimethylthiophene).

结果表明FCC汽油硫化物总脱硫率为86.3%，其中，硫醚和四氢噻吩的转化率都达到100%，硫醇硫转化率96.6%，噻吩硫转化率78.8%，烷基噻吩转化率85.8%，苯并噻吩转化率81.4%。3-甲基噻吩在OTA催化剂上的转化产物中含有小分子，异构硫化物（2-甲基噻吩），以及大分子异构硫化物（如2，5-二甲基噻吩、2，4-二甲基噻吩和2，3-二甲基噻吩）。

The invention relates to a surface chemistry modified latex which can be obtained by carrying out radical polymerization in emulsion in the presence of at least one ethylenically unsaturated monomer or at least one polymer having ethylinically unsaturated residual bonds, at least one radical polymerization, at least one single, double or triple block polymer which is soluble or dispersible in water, comprising an active group at the end thereof, capable of forming a radical, and chosen from dithioesters, xanthates, thioether-thiones and dithiocarbamates.

本发明涉及具有改良表面化学性质的胶乳，它可以通过在以下物质的存在下进行自由基乳液聚合来获得：至少一种烯属不饱和单体或至少一种含残留烯属不饱和键的聚合物，至少一种自由基聚合引发剂，至少一种水溶性和/或水可分散的单嵌段、二嵌段或三嵌段聚合物，在其端部包括选自二硫酯，硫醚-硫酮，二硫代氨基甲酸酯和黄原酸酯中的能够形成自由基的活性基团。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。