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- acetylene trichloride 乙炔化三氯
- 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
- Significant changes have been noted where sensors were exposed to trichloride. 当传感器暴露在三氯化物中时,有很大变化。
- 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。
- Carboxyethyl (phenyl) phosphinic acid with the yield of 69.2% was synthesized from phosphorous trichloride, benzene, sodium chloride and acrylic acid. 以三氯化磷、苯、三氯化铝、氯化钠、丙烯酸为原料合成了阻燃剂2-羧乙基苯基次磷酸,收率69.;2%25。
- A method for preparing dimethyl phosphite was developed from methanol and phosphorous trichloride. 研究了用三氯化磷和甲醇合成亚磷酸二甲酯的方法。
- 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。
- Triisopropyl phosphite was synthsized from phosphorus trichloride and isopropanol using pyridine as an organic base. 采用三氯化磷、异丙醇为原料,吡啶为有机碱合成亚磷酸三异丙酯。
- 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。
- By means of distillation-fractional condensation high purity antimony trichloride was made from antimony sulphide ore. 用蒸馏-多级冷凝法从锑矿石制取高纯度三氯化锑。
- Isoamyl acetate was synthesized by urushiol resin immobilized ferric trichloride catalyst in this paper. 用漆酚树脂固载化三氯化铁高分子催化剂合成醋酸异戊酯,对催化剂进行了红外光谱表征。
- Preventive measures to avoiding or reducing accident of nitrogen trichloride were put forward. 提出了避免或减少三氯化氮事故的预防措施。
- 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。
- An easy and effective way of nitrogen trichloride colorimetric estimation is suggested in this paper. 本文提供一种简捷的三氯化氮比色测定方法。
- The method for synthesizing dialkyl phosphite from phosphorus trichloride was improved. 对用三氯化磷和醇合成亚磷酸二烷基酯方法进行了改进。
- 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。