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- The amine hydrochloride is subsequently reacted with acetylene in the presence of mercury free catalysts to produce vinyl chloride. 再将有机胺的盐酸盐与乙炔反应,在非汞催化剂的作用下生成氯乙烯。
- Keywords Mercury Free catalysts;hydrochlorination of acetylene;vinyl chloride.; 非汞催化剂;乙炔氢氯化;氯乙烯;
- Mercury Free catalysts 非汞催化剂
- Little indium contained mercury free paper liner could be applied to the mercury free battery with natural MnO 2. 用铟量较少的无汞含铟浆层纸可用于含天然二氧化锰的无汞电池。
- Mercury FREE and reliable, Omron's Compact Digital Thermometer is the choice in thermometry for many primary and acute care facilities. 欧姆龙紧凑型数字温度计，无贡安全可靠，为很多小学和急救设施所选择。
- Mercury free Zinc powder for alkaline Zn MnO 2 batteries is produced by atomizing in N2.A systematical research is carried out into the gas evolution behavior of Zinc alloy powder . 采用氮气雾化法制得碱锰电池用无汞锌粉,考察了各种微量合金元素的浓度对锌粉析气量的影响。
- Toyobo: New Antimony Free Catalyst Systems 东洋纺:新型无锑催化体系
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- The mercury dived to ten below zero. 温度突然下降到零下10度。
- Determination of Bi content in mercury free zinc powder 无汞锌粉中铋含量的测定
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- The mercury hovered around 35 Celsius degree. 水银温度计停留在摄氏35度左右。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Key words: physics; the metal halide discharge lamp; review; mercury free; 关键词:金属卤化物灯;光源;电极;无汞金属卤化物灯;电弧管;放电管;
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- Now that I am free, I can enjoy music for a while. 既然有空，我可以享受一下音乐。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
- He is free with his advice to his pupils. 他直言无隐地向学生提出忠告。
