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- Keywords double metal complex catalysts;polyether polyol;unsaturation;polymerization mechanism; 双金属氰化物络合催化剂;聚醚多元醇;不饱和度;聚合机理;
- The content of Fe and Zn of the double metal catalyst for the preparation of polyether were measured by using complex titration analysis method. 研究了用配位滴定分析方法测定聚醚多元醇用双金属催化剂中锌、铁含量的方法。
- It is difficult to state when the first metal complex was discovered. 很难说出是什么时候第一次发现金属配合物的。
- The polyether polyols which has higher molecular weight,narrower molecular weight distribution and lower unsaturation can be prepared by using double metal cyanide (DMC) complex catalysts. 用双金属氰化物(DMC)络合催化剂可制得相对分子质量高、相对分子质量分布窄和不饱和度低的聚醚多元醇。
- Modern theoretical concepts as applied to metal complexes are used in this book. 本书采用了能应用于金属配合物的一切近代理论概念。
- The processing of the component needs the new metal complex surfactant. 这个部件的加工需要金属表面活化剂。
- The progress on the study of doubly bridged bis(cyclopentadienyl) metal complexes is reviewed. 综述了双桥连二环戊二烯基金属有机化合物的研究进展。
- Some of the phosphatides and their associated metal complexes are not easily hydratable. 一些磷脂和它们的金属复合物不易被水化去除。
- We often use multilevel drawbench.It is very compatible that the multilevel drawbench draws the different intension coefficient double metal. 同时,多级拉丝系统在拉拔抗拉强度系数不同的双金属丝时,也非常适用。
- Oxygen carrier is a kind of transition metal complexes which can absorb O2 reversibly. 化学链燃烧是一种新型的燃烧技术,氧载体的性能对它的发展非常重要。
- The material and technology of manufacture of screw slag removre of double metal high Cr castiron and carbon steel have been investigated. 研究了制造高铬铸铁碳钢双金属复合排渣器的材料与工艺。
- A new polarographic method is applied to determine stability constants of metal complexes. 介绍了一种用于金属络合物体系多级稳定常数测定的新型极谱研究方法。
- Polyether polyols with high mlecular weigh, marrow molecular distribution and low monolwere prepared by using a double metal cyanide catalyst. 使用双金属氰化物络合催化剂，制备了分子量高、分子量分布窄、不饱和度低的低单官能度聚醚多元醇。
- This review involves chiral metal complexes as catalysts for asymmetric epoxidation of simple olfins. 介绍了多类简单烯烃不对称环氧化反应的手性过渡金属配合物催化剂系统的催化效果。
- Three kinds of metal-free imidazolyl tailed porphyrins and their metal Complexes have been synthesized. 采用各种测试手段（EA，FAB-MS，IR，1HNMR）对三种咪唑基尾式卟啉进行了表征，确证了它们的结构。
- The synthesis and applications in catalytic asymmetric synthesis of C2-symmetric chiral bis (oxazoline) and its metal complexes are reviewed in this article. 摘要本文综述了手性双恶唑啉的合成及其金属配合物作为手性催化剂在催化不对称反应中的应用研究进展。
- Mimic study and new material exploitation of metal complexes have, for many years, been an active area of research, growing interest in which continues to expand. 配位化合物在金属酶的模拟，新材料的开发等方面具有重要的研究价值，近年来得到了长足的发展。
- In this article,the applications of modified cyclodextrins,cyclodextrin polymers and cyclodextrin metal complexes in enzyme mimics were reviewed. 本文概述了修饰环糊精、环糊精聚合物以及环糊精金属配合物在模拟酶研究中的应用。
- Poly (propylene carbonate) polyols was synthesized by the copolymerization of carbon dioxide with propylene oxide in the presence of double metallic catalyst in loop reactor. 摘要以二氧化碳3环氧丙烷为原材料，在双金属氰化物催化剂催化下，利用环流反应器合成聚碳酸亚丙酯多元醇。
- The most efficient way to generate chiral sulfoxides is asymmetric oxidation of prochiral sulfides Catalyzed by chiral metal complexes. 摘要手性金属络合物催化硫醚的不对称氧化是合成手性亚砜最有效的方法。
