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- hexyl acetylene 己基乙炔
- 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
- Optimized synthesis of lipase-catalyzed hexyl ester in supercritical CO2. 以反应区面法研究脂解酵素催化酚酸酯类合成之最优化。
- 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。
- Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate. 目的研究硫酸氢钾在合成己酸己酯工艺中的催化性能。
- The Di(2-ethyl hexyl) Adipate(DEHA) in Nenjiang river water was extracted by hexane with ultrasonic generator. 采用超声波提取技术,用正己烷提取嫩江水中己二酸二(2-乙基己基)酯增塑剂,以气相色谱/质谱联用选择离子监测法检测,外标法定量。
- 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 synthetic method of N-alkyl-3-pyrrolidinones was studied through the syntheses of hexyl,octyl and benzyl substituted pyrrolidinones. 通过合成正己基、正辛基、苄基3种不同取代基的N烷基3吡咯酮,对N烷基3吡咯酮类化合物的合成方法进行了研究。
- 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。
- This paper studied the synthesis of hexyl acetate with acetic acid and hexyl alcohol as reactants and sodium bisulfate as catalyst. 研究了以硫酸氢钠为催化剂;乙酸和正己醇为原料合成乙酸正己酯;并考察了反应条件对酯化率的影响.;结果表明;在适宜条件下其酯化率可达976
- The application, performance and synthesis route of 2-ethyl hexyl mercaptoacetate product are introduced in this article. 本文介绍了巯基乙酸2-乙基己酯产品的用途、性能以及合成路线。
- 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。
- 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。
- The graft copolymerizatio of butyl acrylat(BA)oto chloropree ru- bber(CR) in ethyl acetate was carried out by using di(2-ethyl hexyl)pe- roxy dicarbonate(EHP)as an initiator. 以二-(2-乙基己酯)过氧二碳酸酯(EHP)为引发剂,在乙酸乙酯中进行氯丁橡胶(CR)与丙烯酸丁酯(BA)的接枝共聚反应。
- The purification of acetylene by chlorination for production of dissolved acetylene. 溶解乙炔氯化净化技术及装置。
- Abstract: The ultrasonic heterogeneous copolymerization of poly (ethylene oxide) (PEO) in its aqueous solution with hexyl methacrylate (HMA) was studied. 摘要: 本文系统地研究了地超声波辐照下聚氧化乙烯(PEO)在其水溶液中与甲基丙烯酸己酯(HMA)的非均相共聚反应。