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- TWC three way catalyst converter 三元催化转换器
- This paper introduces some kinds of catalysts for automobile exhaust purification, such as Three Way Catalysts (TWCs), perovskite oxide catalyst, and molecular sieve catalyst by metal ions. 综述了目前国际上催化消除汽车尾气催化剂的研究现状,分析了三效贵金属催化剂、钙钛矿氧化物催化剂、分子筛催化剂各自的优势和存在的问题。
- Keywords ceria;lanthana;three way catalyst;precious metal; 氧化铈;氧化镧;三效催化剂;贵金属;
- The three way catalysts promoters (Ce Zr)O 2, (Pr Ce Zr)O 2 and (Pr Zr)O 2 were prepared by sol gel method with some special procedures. They were characterized by XRD, EXAFS and BET surface area determination. 采用溶胶 凝胶法制备了三效催化剂助剂 (Ce Zr)O2 ,(Pr Ce Zr)O2 和 (Pr Zr)O2 ,并对它们进行了XRD ,EXAFS和BET比表面的测定。
- The type and the component of three way catalysts (TWC), the role of rare earth elements in TWC, the application prospect of rare earth-containing TWC and their market potential were presented. 叙述了三元(效)催化剂的类型和组成，稀土在三元催化剂中的作用及其应用前景和市场潜力。
- The type and the component of three way catalysts (TWC), the role of rare earth elements in TWC, the application prospect of rare earth containing TWC and their market potential were presented. 叙述了三元（效）催化剂的类型和组成，稀土在三元催化剂中的作用及其应用前景和市场潜力。
- The drawbacks of existing supports for three way catalysts(TWC)in structure and performance were discussed,and the function and synthesis of ceria-zirconia solid solution for TWC were reviewed. 讨论了现有汽车尾气净化催化剂载体存在的结构和性能缺陷,阐述了铈锆固溶体在尾气净化中的作用,以及铈锆固溶体的主要合成方法,并对比了各种方法的优缺点。
- Keywords ceria;zirconia;oxygen storage capacity;thermal stabilization;three way catalyst; 氧化铈;氧化锆;储氧能力;热稳定性;三效催化剂;
- TWC Three Way Catalyst System 三元催化系统
- three way catalyst 三元催化器
- three way catalyst (TWC) 三效催化器
- three way catalyst(TWC) 三效催化剂（TWC）
- Do the three way match of oversea purchase. 三方配比核实。
- three way catalysts 三效催化剂
- At the Three Way Pavilion, one may view the three Buddha shaped rocks on Pagoda Peak to the east. 在三岔亭,人们可以看到边塔峰上的三块形如佛佗的石头。
- Autotransfusion is mainly divided as three way: predeposit, hemodilite and withdray. 自体输血主要分为贮存式、收式和稀释式3种方式。
- Connections to this servers will only work if your system advertises the right MSS in the TCP three way handshake. 只有你的系统在TCP三方握手过程中提供了正确的MSS，才能连接到这些服务器。
- The Ref o r mers represented a new chapter in the history of interpretation in at least three way. 改教者至少在三方面代表了圣经诠释历史的新页。
- Autotransfusion is mainly divided as three way:predeposit,hemodilite and withdray. 自体输血主要分为贮存式、回收式和稀释式3种方式。
- This machine suitable for complete three way tin-in straight way tin-in and siphon tin-in of dissolve tin slot stakes tin process arts and crafts. 本系列机器适用于三通管接头、通管接头和弯管接头的扩口及溶锡槽的成型加工。
