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- disodium acetylene 乙炔二钠
- 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
- Disodium ethylenediamine tetraacetate is a good sequesterant. 乙二胺四乙酸二钠是一种优秀的络合剂。
- Thymolphthalein monophosphate disodium salt hydrate；CAS：... 询价 百里酚酞单磷酸二钠盐；
- Thymolphthalein monophosphoric acid, disodium salt, pure... 单磷酸麝香草酚酞二钠盐；
- Cytidine 5'-monophosphate, disodium salt hydrate, ... 询价 可尼定-5'-单磷酸盐二钠水合物；
- Ethylenediaminetetraacetic acid manganese disodium salt hydr... 询价 乙二胺四乙酸二钠锰；
- DSP;Sodium phosphate, dibasic;Disodium hydrogen phos... 磷酸氢二钠 ： 产品英文名 Disodium hydrogen phosphate;
- Anthraquinone-1,5-disulfonic acid, disodium salt hydr... 询价 蒽醌-1,5-二磺酸二钠水合物；
- Ethylenediaminetetraacetic acid disodium magnesium salt hydr... 询价 乙二胺四乙酸二钠镁；
- 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。
- An improved preparation of protoporphyrin disodium from hemin is described. 以氯高铁血红素为原料，经脱铁、酯化一步得原卟啉二甲酯粗品。
- OBJECTIVE To synthesize balsalazide disodium and optimize the process. 目的合成巴柳氮二钠并改进工艺。
- 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。
- 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。
