共搜索到288条信息，每页显示10条信息，共29页。用时：0小时0分0秒504毫秒
respectively, both of them are four fold hollow sites. Key words: surface adsorption; palladium; hydrogen; embedded-atom-method 1 Introduction It is well known that palladium has a special tendency to adsorb hydrogen and the hydrogen- palladium system is one of the extensively studied systems due to its importance in a variety of technological application, such as the catalysis of hydrogenation reactions......
性. 关键词 纳米钯；金修饰；甲酸氧化；燃料电池 中图分类号:O646 文献标志码:A Electrocatalytic activity of Au modified nanoporous palladium electrode for formic acid oxidation NIU Feng-juan1, YI... South University, Changsha 410083, China) Abstract: A novel nanoporous network palladium electrode (nanoPd) was successfully prepared by a hydrothermal method, then a gold-modified nanoparticle......
for palladium in hydrochloric acid solutions(b) 2.3 吸附时间的影响 平衡吸附时间是评估树脂吸附效率的重要影响因素.图3所示为温度为25 ℃,溶液盐酸浓度为0.1 mol/L,Pd2+初始浓度为400 mg/L条件下向溶液中加入4 mL预处理后的S300树脂,静态吸附60 min过程中间隔取样,测定得到吸附时间与单位体积树脂吸附量q和吸附率E之间...) for palladium ion sorption on S300 表3 S300树脂吸附Pd2+的准一级动力学模型与准二级动力学模型拟合参数 Table 3 Pseudo first-order and pseudo second-order constants and R2 values for sorption of palladium onto S300 2.5......
......
分数为5%~75%Co的测定,结果满意. 关键词:分析化学; EDTA络合滴定法; 铂合金; 钯合金; 钴合金; 钴; analytical chemistry; titration; platinum alloys; palladium alloys; cobalt alloys; cobalt; [全文内容正在添加中] ......
catalytic activity at low temperature, high thermal stability, and wide working window, sug-gesting a great potential for applications. Key words:CeO_2-ZrO_2-A1_2O_3; palladium; TWC; H_2-TPR......
Effect of different mixing ways in palladium/ceria-zirconia/alumina preparation on partial oxidation of methane WANG Jun1,WEN Jing1,SHEN Meiqing1,ZHANG Qingwei1 (1.Key Laboratory for Green Chemical...; Al2O3; ceria-zirconia,palladium; rare earths; [全文内容正在添加中] ......
Formation and Characterization of Pd,Pt and Pd-Pt Alloy Films on Polyimide by Catalyst-Enhanced Chemical Vapor Deposition周锦兰,俞开潮摘 要:Platinum, palladium... of palladium complexes [ Pd((η3-allyl)(hfac) and Pd(hfac)2 ] gives pure palladium film, while the deposition of platinum needs the enhancement of palladium complex by mixing precursor platinum complex......
complexes, which results in PdCl2-4 easily to be hydrated and different complex ions presenting in the solution, therefore PdCl2-4 reacts according to different reaction mechanisms. Key words: palladium... from palladium by using NH4Cl precipitation [J]. Rare Metals, 1980, 3: 35-42. [2]陈景. 铂族金属配合物稳定性与原子结构的关系[J]. 贵金属, 1984, 3: 1-10. CHEN Jing. Relationship between chemical stability of platinum-group......
(TDGA) as novel extractants[J]. Separation Science and Technology, 2015, 50(15): 2352-2359. [5] Gupta B, Singh I. Extraction and separation of platinum, palladium and rhodium using Cyanex 923... Journal of Chemical Engineering, 2004, 21(5): 1038-1043. [8] Dakshinamoorthy A, Dhami P S, Naik P W, Dudwadkar N L, Munshi S K, Dey P K, Venugopal V. Separation of palladium from high level liquid waste......
