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- Nitration of toluene with fluorous biphase system was studied by using the perfluorous nonene as solvent. 利用全氟壬烯-甲苯两相体系研究甲苯的硝化反应。
- Some recent research developments of catalytic oxidation reactions in water/organic biphase system are reviewed with 21 references. 论述了水/有机两相体系中催化氧化反应的一些最新进展。
- The FBS (fluorous biphase system) makes homogeneous catalysis and heterogeneous separation possible and easy to separate the catalysts dissolved in PFC (perfluorocarbons). 氟两相体系实现了均相催化多相化,可以方便地分离溶解在PFC中的催化剂。
- The hydrolysis of olive oil catalyzed by surfactant-coated lipase in a biphase system was studied in a hollow fiber membrane reactor made of hydrophilic polyacrylonitrile. 在聚丙烯腈中空纤维膜反应器油-水两相体系中,使用表面活性剂包衣酶催化水解橄榄油。
- The FBS (fluorous biphase system ) makes homogeneous catalysis and heterogeneous separation possible and easy to separate the catalysts dissolved in PFC (perfluo rocarbons). 氟两相体系实现了均相催化多相化, 可以方便地分离溶解在PFC 中的催化剂。
- The Co complexes can catalyze the olefin epoxidation in ethyl acetate/ water biphase system under room temperature by using KHSO5 as the oxidation agent. 含钴的错合物在乙酸乙酯/水两相系统中以过硫酸氢钾为氧化剂,于室温可催化烯类环氧化反应,而且有不错的催化效果;
- A stereoselective hydrolysis of the racemic naproxen methyl ester by immobilized lipase from Candida rugosa in a low aqueous-organic biphase system was studied. 研究了微水-有机溶剂两相体系中固定化脂肪酶催化的萘普生甲酯的立体选择性水解反应。
- The FBS(fluorous biphase system)is a new nonaqueous immobilization and phase separation technique.For the unique and environmentally friendly character,FBS shows a wide application for many areas. 氟两相体系(FBS)是一种新型均相催化剂固定化(多相化)和相分离技术,独特且对环境友好的性能使FBS在诸多领域显示出广泛的应用前景。
- It is expected that a great progress will be achieved in the research of the novel catalytic systems and biphase systems. 两相催化体系的开发正在成为研究的主流引人瞩目,预期新催化剂体系和两相体系在高碳烯烃氢甲酰化应用上将有突破。
- The biphase systems have many advantages and have become a hotspot of the research on the hydroformylation of higher olefins. 本文从均相催化体系和两相催化体系两个方面介绍了国内外近年来在研究与开发上取得的进展。
- In this paper, lipase-catalyzed steroselective hydrolysis of the racemic Naproxen methyl ester was performed in aqueous-organic biphase system and aqueous-ionic liquid biphase system respectively. 在水-有机溶剂和水-离子液两相体系中研究了脂肪酶催化的萘普生甲酯的立体选择性水解反应.
- Biphasic systems can provide one way to deal with these problems. 两相体系为这些问题的解决提供了一条新途径。
- It is also found that the ratio of ILs in the biphasic system influence the performance of the reaction distinctly. 在离子液体/水两相体系的反应中,两相比例对反应的收率有较大的影响。
- thermoregulated polyethylene glycol biphase system 温控聚乙二醇两相体系
- By employing water soluble catalysts, the catalyst and product can be separated easily in water/organic biphasic system. 由于采用水溶性催化剂,使得水/有机两相体系中的催化反应具有催化剂与产物容易分离的优点。
- Keywords fluorous biphase system;perfluorinated solvents;phase behavior; 氟两相体系;全氟溶剂;相行为;
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗?
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。