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- nanometer metal catalysts 金属催化剂
- Kunming Precious Metal Catalyst Co., Ltd. 昆明贵研催化剂有限责任公司。
- The transition metal catalysts for hydrosilation are reviewed in this paper. 本文评论了用于硅氢加成反应的过渡金属催化剂。
- The Chemists have tinkered with heat and metal catalysts to refine their materials. 化学家摆弄热和金属催化剂来提炼。
- The hydro-dearomatization activities of noble metal catalysts are better than those of non-noble metal catalysts. 柴油加氢脱芳烃大多采用两段加氢工艺,将贵金属和非贵金属催化剂结合使用可以取得良好的脱芳烃效果。
- A new kind of bi-supported metal catalysts was prepared by using columniform alumina and acrylon and Pd. 首次采用市售腈纶纤维和圆柱状氧化铝颗粒为双负载体系,制备了双负载金属钯催化剂。
- The result indicated that different nanometer metal oxides and their compounds represented different catalysis on AP thermal decomposition. However,nanometer Co_2O_3 and Y_2O_3 showed outstanding catalysis in TMO and REO,respectively. 采用多种手段分析表征,发现不同的纳米金属氧化物及其组合物有不同的催化活性,以纳米Co2O3和Y2O3对AP热分解的催化效果最好。
- Pinna F. “Supported metal catalysts preparation”, Catalysis Today, 41, 129-137, 1998. 吴荣宗,“工业触媒概论”,国兴出版社,1989。
- This is because the inflation graphite may take the load metal the carrier, moreover the crevice are many, may the very good accommodation nanometer metallics. 这是由于膨胀石墨可作为负载金属的载体,而且空隙多,可很好的容纳纳米金属粒子。
- Abstract: The kinds,structures and catalytic properties of polymer metal catalyst for hydrosilation were reviewed. 文摘:综述了硅氢加成反应中高分子金属催化剂的种类、结构及其催化性能。
- There are two major kinds of dearomatic catalysts, which are supported metal sulfide catalysts and supported noble metal catalysts. 目前研究较多的脱芳烃催化剂有负载型金属硫化物催化剂及负载型贵金属催化剂。
- The kinds,structures and catalytic properties of polymer metal catalyst for hydrosilation were reviewed. 综述了硅氢加成反应中高分子金属催化剂的种类、结构及其催化性能。
- In some cases, a two-stage severe hydrotreater using Ni-Mo and precious metal catalysts in the first and the second stage respectively can be used. 有时更得采用二阶段制程,前后段分别使用镍钼和贵金属触媒。
- APPLICATION OF NANOMETER METAL POWDER 纳米金属粉末的应用
- A series of metal catalysts supported on WO3 prepared via co-precipitation have been investigated for methanol decomposition and hydrogenation of benzene and toluene reaction. 通过共沉淀法制备了一系列WO3负载的金属催化剂,以甲醇低温裂解、苯加氢和甲苯加氢为探针反应,考察了其催化性能。
- A new kind of bi-supported metal catalysts was prepared by using columniform alumina and acrylon and Pd. The catalysts are very stable and are easy to use and prepare. 首次采用市售腈纶纤维和圆柱状氧化铝颗粒为双负载体系,制备了双负载金属钯催化剂。该类催化剂非常稳定,制备和使用也很简便。
- 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。
- The organized mesoporous alumina synthesized from hydrolysis of organic alumina alkoxide is suitable for preparation of high-loading metal catalyst. 采用原位法,在制备催化剂载体的过程中, 将活性成分添加进去, 使得在形成介孔材料的同时将活性成分负载在载体上制备了负载镍金属有序介孔氧化铝催化剂。
- The advances in catalytic oxidation of alcohols by metal catalysts are reviewed in detail, and the superiority of the metal catalysts to that of the nonmetal's are introduced. 摘要从醇在金属催化剂作用下的催化氧化方面,较为详细的介绍了近年来在该研究领域内的研究进展,并指出了金属催化相对于非金属催化的优点。
- The different structures of the resultant CNFs were ascribed to the dispersion of the metal catalyst and the different growth mechanisms. 不同结构的纳米炭纤维归因于金属催化剂的不同分散性以及不同的生长机理。