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- cobaltous bromide 溴化钴
- cobalt bromide 溴化钴
- Anthraquinone is prepared by the liquid phase oxidation of anthracene with oxygen in the presence of cobaltous salt,manganous salt and bromide. 在醋酸、聚乙二醇存在下 ,蒽与硝酸铈铵和溴酸钠反应生成蒽醌 ,聚乙二醇作为相转移催化剂可以提高反应的选择性。
- Stellite 6 or cobalt free seats and discs. 钨铬钴合金6或无钴阀座和阀瓣。
- Stellite 6 or cobalt free wedge and seats. 钨铬钴合金6或无钴楔板和阀座。
- Aim To study the synthesis of rocuronium bromide. 摘要目的合成罗库溴铵。
- Hard Facing is weld deposited Cobalt base alloy. 硬面焊接钴基合金沉淀物。
- Fixed a crash bug within Cobalt systems. 修正了一个 cobalt 系统力的漏洞
- EXP: diamonds, copper, crude oil, coffee, cobalt. 出口:钻石,铜,重油,咖啡,钴
- Liquid phase ammoxidation of p-xylene to p-tolunitrile on prepared cobalt benzoate catalyst and ammonium bromide co-catalyst was investigated. 以苯甲酸钴为催化剂、溴化铵为助催化剂,对对二甲苯常压液相氨氧化反应一步制备对甲基苯甲腈进行了研究;
- The preparation process of trimesic from mesitylene by air in a liquid phase oxidation under normal pressure with the catalysis of cobalt acetate and sodium bromide was studied. 研究了在常压下,以醋酸钴和溴化钠为催化体系,均三甲苯液相空气氧化制备均苯三甲酸的反应工艺。
- Run out Output film or bromide from a phototypesetting machine. 从照相排字机输出的菲林或相纸。
- Run out: Output film or bromide from a phototypesetting machine. 曝光片:从照相排字机输出的菲林或相纸。
- Cyclohexylmagnesiu Bromid (18 i Tetrahydrofuran ca 1mo... 询价 环庚基溴化镁(18四氢呋喃);
- Trim numbers with H have cobalt alloy hardfaced seat ring facing. 带有H的阀内件型号具有钴合金硬面阀座环表面。
- Of or containing cobalt, especially with a valence of3. 钴的属于或含有钴的,尤指原子价为3的
- The series of cobalt and nickel catalysts are on the same level. 钴系与镍系催化剂的效果相当 ;
- Yellow jellyfish and red octopuses jet through cobalt waters. 黄色的水母与红色的章鱼,在钴蓝的水域中喷射前进。
- We need cobalt ore. If you can offer please contact us. 我们需要钴矿,如果您能提供请联系我们。
- Bromide: a binary compound of bromine with another element, such as silver. 溴化物:由溴和另一元素构成的二元化合物,如银。