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- Using a colloidal Pd catalytic system to metalize the surface of precipitators separated from coal fly-ash,the metals such as Cu,Ni,etc. 采用化学镀膜的方法,在空心微珠(沉珠和漂珠)表面进行金属化处理。
- The catalytic system is the key of cross-coupling reaction. 催化剂体系是交叉偶联反应研究的核心。
- The key for such a catalytic system was the addition of 1 equivalent of tetrabutylammonium bromide. 反应的关键是向体系中加入1当量四丁基溴化铵。
- Isomerization of linalool to geraniol/nerol was catalyzed by the catalytic system which is composed of vanadium complexs and boric acid ester. 以钒化合物作催化剂与硼酸酯为介质组成催化体系,由芳樟醇异构制取香叶醇和橙花醇,分别考察了反应温度、时间、介质等因素对反应的影响。
- Diketones and diols as internal electronic donors eliminate the use of external electronic donors and lower complexity of the catalytic system. 二酮类和二醇类化合物作为内给电子体,在聚合时不用外给电子体,这将降低催化剂体系的复杂性。
- The rare earth coordinated catalytic system was used to catalyze the copolymerization of CO 2 and ECH. Then the aliphatic polycarbonate ECH-CO 2 was synthesized. 利用稀土络合催化体系催化二氧化碳 (CO2 )和环氧氯丙烷 (ECH)共聚反应 ,合成出新型高分子材料脂肪族聚碳酸酯 (ECHCO2 )。
- In this thesis,the rare earth coordinated catalytic system was used to catalyze the copolymerization of CO 2 and ECH. The aliphatic polycarbonate ECHCO 2 was synthesized. 二氧化碳 (CO2 )和环氧氯丙烷 (ECH)在稀土络合催化体系作用下共聚反应 ,合成出脂肪族聚碳酸酯 (ECHCO2 )。
- The catalytic system formed from polymer-supported neodymium complexes shows high catalytic activity and stereospecificity for butadiene polymerization. 聚合物载体-钕络合物催化剂具有很高的催化活性和定向效应.
- This paper reviews the catalytic system of methyl formate reacting with alkene for synthesis of esters,in addition,the reaction mechanism is also discussed. 本文系统介绍了甲酸甲酯与烯烃反应合成酯的催化体系，并对反应机理进行了讨论。
- Using this catalytic system,the oxidation reactions proceed under mild conditions and give both high conversions and selectivities.In the paper,this novel catalyti... 该催化体系催化的烃类分子氧氧化反应具有反应条件温和、选择性高等优点。
- Keywords Solid base Catalytic reaction Catalyzer; 固体碱;催化反应;催化剂;
- Hydrogenated styrene-butadiene rubber(HSBR)was prepared by hydrogenating styrene-butadiene rubber(SBR) latex with hydrazine hydrate-hydrogen peroxide-copper sulfate catalytic system. 用水合肼/双氧水/硫酸铜催化体系对丁苯橡胶（SBR）胶乳加氢，可制备氢化丁苯橡胶（HSBR）。
- Recent progresses of pinene epoxidation at home and abroad were reviewed,different kinds of epoxidation catalytic system and their catalytic reaction characteristics were discussed in details. 对近年来国内外蒎烯环氧化反应的研究作了评述,详细讨论了蒎烯的环氧化催化剂体系及其催化反应特点。
- Results show,by adopting the combined catalytic system of hot tube catalyst and metallic honeycomb catalyst,the light off performance as well as durability of catalyst could be improved effectively. 结果表明，通过采取热管式催化剂+金属蜂窝载体催化剂的结构方案，可有效地改善催化剂的起燃性能和耐久性能。
- A social system based on affiliations to totems. 图腾制度基于图腾的紧密联系之上的一种社会制度
- The catalytic systems and their main results of propane oxidative dehydrogenation to propylene are reviewed . 综述了丙烷氧化脱氢制丙烯反应催化剂体系及其主要研究结果。
- The effects of co-catalyst and ligand on the ethylene tetramerization catalytic systems are discussed. 重点阐述了影响乙烯选择性四聚制1-辛烯催化体系中的两个重要组分，即助催化剂和配体；
- The monetary system of some countries used to be based on gold. 过去有些国家的货币制度是金本位制的。
- Our quality is based solely on our sales samples. 我们的质量完全以货样为准。
