Natural biopolymer of chitosan was supported on SiO_2,and then active metal(Pd,Pt,Ru and Rh)was coordinated with chitosan to obtain a chiral heterogeneous catalyst of M-CS-SiO_2.
将天然手性高分子聚合物壳聚糖(CS)负载到S iO2上后,再络合M(Pd、P t、Pu和Ph)金属,制得了多相手性加氢催化剂M-CS-S iO2。
This article introduces the main existing methods and achievements in the field of the math models of reaction kinetics and reactor of the heterogeneous photocatalysis reaction system.
本文介绍了当前多相光催化反应体系中反应动力学模型以及反应器数模研究领域内的主要方法及成果。
The field of catalysis is mainly pided into heterogeneous one and homogeneous one.
多相催化和匀相催化是催化领域的两大类型。
Research on the variable-speed system of multiphase high-voltage BLDCM;
多相高压无刷直流电动机调速系统研究
Design of a Multiphase DC-DC Converter with Master-Slave Current Sharing;
采用主从电流共享的多相DC-DC电源设计
Multicomponent Multiphase & Unu-isothermal Numerical Simulation of CO_2 Miscible Flooding;
CO_2混相驱多组分多相非等温数学模拟
Ectopic Osteogenesis of Multiphasic Calcium Phosphate Ceramic Transformed by Ostrich Bone Loaded with Bone Marrow Stromal Cells;
鸵鸟骨转化多相钙磷陶瓷支架负载骨髓基质细胞异位成骨性能研究
Transforming the Sintered Ostrich Cancellous Bone to Multiphasic Calcium Phosphate Ceramic;
将煅烧鸵鸟松质骨转化为多相钙磷陶瓷
A kind of polyphase brushless exciter which has better property came into the world in recent years.
近年来一种性能较为优越的新型多相无刷励磁机问世,有关学者已对其运行状况进行了仿真和实验分析。
The recent progress in heterogenization of homogeneous molybdenum containing catalysts used for epoxidation of olefins is reviewed.
介绍了以有机聚合物和无机硅酸盐为载体,负载钼催化剂及其对烯烃环氧化反应催化性能的研究进展;分析了硼酸树脂、乙烯-丙烯橡胶、螯合树脂、苯并吡咯树脂、聚酰亚胺树脂、聚硅氧烷树脂、阳离子交换树脂和聚苯乙烯等有机聚合物为载体的研究情况;评价了以无机硅酸盐为载体,采用溶胶-凝胶、离子交换、同晶取代等方法负载钼对催化性能的影响;展望了多相化烯烃环氧化钼系催化剂的发展前景。
Intercalation of metal complexes into the interlamellar space of clay is an excellent method for homogeneous catalyst heterogenization.
粘土的可膨胀的二维空间有助于将催化活性的金属络合物用阳离子交换法和配位体交换法插入到粘土层间 ,因而易于制得粘土层间金属络合物催化剂 ,这是匀相催化剂多相化的一种好方法。