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- It was showed that the addition of CeO2 to the Pt catalyst decreased its high temperature stability but with less effect on Pd Catalyst. 实验证明,添加CeO_2后,降低了铂催化剂的耐高温性能,但对钯催化剂无明显影响。
- Pt Pd concentrates contain not only high grade of Pt and Pd,but also Os? Ir? Rh? 铂钯精矿不仅含Pt、Pd品位高 ,而且含有锇、铱、铑、钌 ,同时还伴生有价金属铜、镍、钴。
- The Pt Pd extractive technique and production process are dealt with in this paper. 介绍了铂钯提取工艺和生产过程。
- The influence of middle rare earth oxides on the activity of Pd catalyst has been discussed in this article. 本文研究了中稀土氧化物对钯催化剂活性的影响。
- The macrokinetics of CO gas coupling reaction on Pd catalyst was studied in a fixed-bed reactor. 采用固定床积分反应器;研究了自制的负载型钯系催化剂上CO气相催化偶联主、副反应的宏观动力学模型.
- The determination of micro-palladium in the supported Pd catalyst were studied by extraction-separation and KI spectrophotometric method. 研究了萃取分离碘化钾分光光度法测定负载型钯催化剂中微量钯元素含量的方法.
- The test indicates that the activity of Pd catalyst for the oxidization of carbon monoxides increased by adding middle rare earth oxides, especially Sm2 O3. 实验表明,中稀土氧化物的添加对这种钯催化剂的一氧化碳氧化性能都有所改善,其中以氧化钐最为突出。
- The perovskite-type metal oxides supports and the corresponding supported Pd catalyst were prepared by microwave, and characterized by XRD, SEM and used in the direct synthesis of diphenyl carbonate (DPC). 摘要利用微波法制备了钙钛矿型复合氧化物载体及把负载钙钛矿型催化剂，用XRD和SEM对载体及催化剂进行了表征，并将微波法制备的催化剂用于一步氧化羰基化合成碳酸二苯酯(DPC)实验。
- Comparison and analysis for differences between different catalysts for HPS production by anthraquinone process, and using Pd catalyst to replace the Ni catalyst is concluded. 对蒽醌法生产双氧水采用不同的触媒的差异进行比较和分析,指出以钯触媒取代镍触媒已势在必行。
- Keywords C 2H 4;oxidation;AcOH;Pd catalyst; 乙烯;氧化;乙酸;钯催化剂;
- Mesoporous structure Pd catalyst 介孔结构Pd催化剂
- Effect of Supports on Surface Oxygen Species of Pd Catalyst 载体对负载钯催化剂表面氧性质的影响
- Pd catalysts derived from MgAl hydrotalcite precursors were prepared by three different methods: deposition-precipitation(DP),impregnation(IM),and co-precipitation(CP),which were characterized by ICP,XRD,SEM,TEM,EDS,TPR and surface area measurement. 以沉积沉淀法(DP)、浸渍法(IM)和共沉淀法(CP)制备MgAl水滑石衍生氧化物负载钯催化剂,用ICP、XRD、SEM、TEM、EDS、TPR以及比表面测定等手段对催化剂进行了表征。
- A method for the determination of Pd and Pt in catalyst by graphite furnace atomic absorption spectrometery is introduced, sulfhydryl cotton column is used to separate interferential elements. 介绍应用石墨炉原子吸收法测定催化剂中钯和铂的分析方法,及可将干扰元素去除的巯基棉柱分离法。
- The offer of a new job provided just the catalyst she needed. 这份新工作正是她所需要转变的契机。
- The necklace was hallmarked with Pt 999. 那条白金项链上印有纯正优质标记。
- Comparison of Pd Catalyst and Ni Catalyst for Hydrogen Peroxide Solution Production by Anthraquinone Process 蒽醌法生产双氧水钯触媒与镍触媒之比较
- The course is 1 year FT, 2 years PT. 该课程全日制学习1年，非全日制学习两年。
- For metal, it ranges from6 pt, up to72 pt. 在金属活字方面，字大小的范围从6点至72点。
- Study on Spinel-supported Pd Catalyst for the Synthesis of 2,6-Dimethylaniline by Gas Phase Amination 2,6-二甲基苯酚气相胺化催化剂的研制
