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- diphenyl acetylene 二苯乙炔
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- 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
- Diphenyl carbonate shows a typical vinyl ester effect. 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Diphenyl ether is used as solvent and azeotropied with water. 利用联苯醚作为溶剂,与体系的水分进行共沸回流,达到充分脱水的目的。
- 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。
- Diphenyl carbonate(DPC) is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,应用于塑料工业。
- 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。
- Diphenyl thiourea is an important intermediate of medicine and dyestuff. 二苯硫脲是重要的医药和染料的中间体。
- 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。
- Purification of diphenyl ether by crystallization without solvent is discussed. 用无溶剂结晶法纯制二苯醚,该方法具有高效、经济和洁净的特点。
- Diphenyl carbonate is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,广泛应用于塑料工业。
- 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。
- 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。
- The MNDO semiempirical quantum chemistry method was used to study theconformation of diphenyl sulfide and diphenyl sulfoxide. 本文使用MNDO半经验量子化学方法对二苯硫醚和二苯亚砜的构象进行研究。
- It also supplies liquid oxygen, liquid nitrogen, acetylene, carbon dioxide, hydrogen, propane, freon,liquid ammonia,and rare element gas. 还兼营液氧、液氮、液氩、乙炔气、二氧化碳、氢气、丙烷气、氟里昂、液氨及其他高纯和稀有气体。
- Phenyl(or polyphenyl)substituted epoxides serve as excellent precursors to phenyl(or diphenyl)carbenes. 某些苯代(或多苯)环氧化物是制取带苯环(或二苯)碳烯的极好原料。
- In the darkness, the machine gun spat a vindictive white light like an acetylene torch. 机枪在黑暗中吐出一道凶厉的白光，活象一支喷火的乙炔吹管。
