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- chloro thiophene 氯噻吩
- Such is the case in pyrrole, thiophene, and furan. 吡咯,噻酚和呋喃的情况就是这样。
- Such is the case in pyrrole, thiophene, and furan . 吡咯，噻酚和呋喃的情况就是这样。
- The HDS activity of thiophene over these catalysts was examined. 考察了不同方法制备的催化剂对噻吩加氢脱硫（HDS）反应的催化活性。
- Objective To synthesize 2-(4-methoxypheny)-6-methoxy-benzo [b]thiophene. 摘要目的合成目的产物2-（4-甲氧基苯基）－6-甲氧基苯并噻吩。
- Catalytic hydrogenation of pyrrole, furan and thiophene was investigated. 考察了常温常压下吡咯、呋喃和噻吩的催化加氢反应;
- Finally, all catalysts were evaluated by thiophene hydride-sulphurization. 最后，利用噻吩加氢脱硫模型反应对碳化物催化剂进行了性能评价。
- Conclusion:Quercetin monosulfate in combination with 5’ chloro 5’ deoxyadenosine h... 结论:槲皮素单硫酸酯与5’-氯-5’-脱氧腺苷具有协同抗血小板聚集的作用。
- Abstract: 2 - Chloro - 5 - chloromethylpyridine is an importantintermediates of the pesticide and the pharmacology. 文摘:2－氯－5－氯甲基吡啶是农药和医药的重要中间体。
- Chloro - 5 - chloromethylpyridine is an importantintermediates of the pesticide and the pharmacology. 氯－5－氯甲基吡啶是农药和医药的重要中间体。
- The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene. 这条路线是先用羧酸使噻吩已酰化制得酸基噻吩。
- The synthcses of 2 - mercapto benzimidazole and 3 - chloro prpyne were also discusscd. 再由2-巯基苯并咪唑和3-氯丙炔在丙酮溶剂中合成2-炔丙基巯基苯并咪唑。
- The reactions of p chloro nitrobenzene with phenolates were performed by means of microwave irradiation. 本文采用了微波辐射法,用酚盐和对氯硝基苯反应,合成了多种二苯醚类化合物(图1)。
- Thiophene, a highly common substance, serves as a versatile precursor to a variety of amino acids. 噻吩是一种很普通的物质，它可以作为合成各种氨基酸的母体。
- Ethanethiol,thiophene and dibenzothiophene as the model sulfur compounds were analysed by FPD(Flame Photometric Detector) in the gasoline. 选择乙硫醇、噻吩和二苯并噻吩作为汽油中的目标检测硫化物,采用火焰光度检测器(FPD)进行分析。
- The target compound was synthesized from 1 bromo 3 chloro propane by amination and Grignard reaction with ethyl orthoformate. [方法 ]以 1-溴 - 3-氯丙烷为原料 ,胺化后 ,与原甲酸三乙酯进行格氏加成反应 ,得目标化合物。
- Thiophene reacted with bromine and zinc to produce 3-bromothiophene via substitution and reduction reaction. 噻吩与溴、锌粉依次发生取代,还原反应生成3-溴噻吩。
- P chloro DL phenylalomine, a specific inhibitor of tryptophan hydrozylase, could not influence the levels of Try and 5 HTP. 分别用3H－5－HTP和3H－5－HT培养虫体，则有3H－5－HT、3H－5－HIAA和3H－5－HIAA生成。
- Thiophene polymers is one of the most intensively investigated functional polymers. 摘要噻吩类聚合物是研究较为广泛的功能高分子材料。
- The Product was preparcd hy 2 - mercapto bcnzimidazole and 3- chloro propyne in propanonc as solvent without phase transfer catalyst. 先由邻苯二胺和二硫化碳合成2-巯基苯并咪唑，炔丙醇和三氯化磷合成3-氯丙炔；
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
