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- thiophene acetylene 乙炔基噻吩
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- Regular carbon micro-coils were obtained by a catalytic pyrolysis method with acetylene as a carbon resource and Ni as a catalyst and thiophene as a promotor. 摘要以镍为催化剂,在助剂噻吩的作用下,采用乙炔高温热解法合成了规则、均匀、具有双螺旋结构的碳微线圈。
- 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。
- Baicheng City Acetylene Gas General Fact. 白城市乙炔气总厂。
- The depository for acetylene cylinder. 乙炔瓶放置处
- 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。
- These gauges are designed for measuring the pressure of medium acetylene. 该压力表适用于测量乙炔介质的压力。
- Medium-pressure acetylene drying equipments adopt two-stage drying process. 中压乙炔干燥装置采用二级干燥工艺。
- The causes of fire and explosion at dissolving acetylene stationwas analyzed. 分析了溶解乙炔站火灾、爆炸的原因。
- 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。
- Use:Used for all kinds of metal-welding and cutting machines to transport oxygen and acetylene. 用途:供各类金属熔焊及切割器械输送氧气和乙炔气体用。
- 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 remaining 20%of the acetylene production is principally used for oxyacetylene cutting, heat treating, and welding. 乙炔生产的剩余20%25主要用于氧乙炔切割、热处理和焊接。
- 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。