硫醇

The course of thermal reaction for iso-butyl mercaptan, di-n-butyl sulfide and di-n-butyl disulfide is free radical mechanism.

对于异丁硫醇、丁硫醚、丁基二硫化物的热反应，其热转化的途径是自由基机理。

Aiming at the high content of sulfur mercaptan and short induction period of the naphtha, countermeasures were taken for improving the quality in accordance with the resid FCC char...

针对经常造成重油催化裂化汽油硫醇硫含量偏高、诱导期偏短的问题，结合重油催化裂化生产的具体特点及经验，提出了改善汽油质量的对策，并取得了满意效果。

The contents of sulfur compounds, especially the content of mercaptan, are much more than those in the catalytic gasoline. There is also a big difference in the sulfur contents between 2-methylthiophene and 3-methylthiophene.

研究发现：同其他类型的汽油相比，焦化汽油的硫含量较高且所含硫醇比例明显偏高，2-甲基噻吩和3-甲基噻吩的含量差别较大。

The reaction mechanism of thione-thiol tautomerism for 2,6-dithiopurine obtained from proton transfer has been investigated by DFT B3LYP method with 6-311 ＋G basis set.

采用密度泛函B3LYP方法，在6-311＋G基组水平上对2，6-二巯基嘌呤质子转移引起的硫醇式与硫酮式互变异构反应进行了计算研究。

The reaction mechanism of thione-thiol tautomerism for 2,6-dithiopurine obtained from proton transfer has been investigated by DFT B3LYP method with 6-311＋G basis set. The reaction enthalpies, activation energies, activation free energies and the rate constants of tautomerism were obtained.

采用密度泛函B3LYP方法，在6-311＋G基组水平上对2，6-二巯基嘌呤质子转移引起的硫醇式与硫酮式互变异构反应进行了计算研究，获得了互变异构过程的反应焓、活化能、活化吉布斯自由能和质子转移反应的速率常数等性质。

Namely, only for biobriquette low presence of dialkyl sulphides and aliphatic thiols was registered.

对于生物型煤来说，仅检测到少量二烷基硫醚和脂肪硫醇的存在。

The enzymolytic products identified were:diisopro-pylaminoethanethiol through the breakdown of P-S bond, and its oxidized product, N, N'-dithiodiethylene-bis ; and diisopropyla-minochloroethane through the breakdown of S-C bond.

VS与电鳐乙酰胆碱酯酶作用的主要产物是： P—S键断裂产物二异丙氨基乙硫醇，该化合物在水溶液中不稳定，可进一步氧化为N，N＇-双二异丙氨基乙基二硫醚；S—C键断裂产物二异丙氨基氯乙烷。

To synthesize the octreotide, Phe-Leu-Glu-Glu-Leu and C_(15)H_(31)-CO-Lys-Thr -Thr-Lys-Ser peptides, the strategies are as followings: Fmoc- group as protective group for α-NH_2; TBTU, DIEA and HOBt as coupling reagent; and ethanedithiol -phenol - thioanisole - H_2O - TFA ( 2.5:5:5:5:82.5 , V/V ) as cleaving solution.

采用Fmoc固相合成法，以苯并三哗四甲基脲四氟硼酸盐、二异丙基乙胺和1-羟基苯骈三氮唑为缩合剂；苯酚—乙二硫醇—苯甲硫醚—水—三氟乙酸(5：5：2.5：5：82.5，V/V)为切割试剂，合成了奥曲肽、Phe-Leu-Glu-Glu-Leu及C_(15)H_(31)-CO-Lys-Thr-Thr-Lys-Ser三种小分子多肽，并对奥曲肽的合成规模进行了放大。

The screened bacteria of Xanthomonas sp He4 and Thiobacillus thioparus Au16 were inoculated into the trickled-bed biofilter to remove ethanethiol gas in the experiment.

本实验把筛选的异养菌黄单胞菌He4和自养菌排硫杆菌Au16，接种到生物滴滤塔中进行脱除乙硫醇研究。

CdS nanoclusters were synthesized by using the octylthioalcohol or dodecylthioalcohol as ligand and the hexadecyl trimethyl ammonium bromine as organic positive ion.

分别引入辛基硫醇和十二烷基硫醇作配体，十六烷基三甲基溴化铵作有机正离子合成CdS纳米簇合物。

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。