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- TWC Three Way Catalyst System 三元催化系統
- TWC three way catalyst converter 三元催化轉換器
- 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. 綜述了目前國際上催化消除汽車尾氣催化劑的研究現狀,分析了三效貴金屬催化劑、鈣鈦礦氧化物催化劑、分子篩催化劑各自的優勢和存在的問題。
- Keywords ceria;lanthana;three way catalyst;precious metal; 氧化鈰;氧化鑭;三效催化劑;貴金屬;
- 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. 採用溶膠 凝膠法製備了三效催化劑助劑 (Ce Zr)O2 ,(Pr Ce Zr)O2 和 (Pr Zr)O2 ,並對它們進行了XRD ,EXAFS和BET比表面的測定。
- 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. 敘述了三元(效)催化劑的類型和組成，稀土在三元催化劑中的作用及其應用前景和市場潛力。
- 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. 敘述了三元（效）催化劑的類型和組成，稀土在三元催化劑中的作用及其應用前景和市場潛力。
- 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. 討論了現有汽車尾氣凈化催化劑載體存在的結構和性能缺陷,闡述了鈰鋯固溶體在尾氣凈化中的作用,以及鈰鋯固溶體的主要合成方法,並對比了各種方法的優缺點。
- Keywords ceria;zirconia;oxygen storage capacity;thermal stabilization;three way catalyst; 氧化鈰;氧化鋯;儲氧能力;熱穩定性;三效催化劑;
- three way catalyst 三元催化器
- three way catalyst (TWC) 三效催化器
- three way catalyst(TWC) 三效催化劑（TWC）
- Do the three way match of oversea purchase. 三方配比核實。
- The catalyst system and technics for oxidative carbonylation of phenol to diphenyl carbonate (DPC) has been studied. 針對苯酚氧化羰基化合成碳酸二苯酯(DPC)潔凈化工過程用催化劑和工藝條件進行了較系統的研究。
- Synthesis of adamantane was studied using AlCl 3 catalyst system and co-catalysts. 用三氯化鋁－助催化劑的催化體系進行了金剛烷合成的研究。
- The load mechanism of active component of this catalyst system has also been discussed. 並指出了本催化劑活性組份可能的負載機理。
- A kind of catalyst system has been successfully developed for Beijing Cherokee with multipoint injection. 針對北京切諾基四缸多點噴射輕型車,本文研製成功了一種催化轉化器。
- Connections to this servers will only work if your system advertises the right MSS in the TCP three way handshake. 只有你的系統在TCP三方握手過程中提供了正確的MSS，才能連接到這些伺服器。
- Catalyst system for hydrogenation of maleic anhydrite and corresponding products are introduced. 摘要介紹了順酐加氫反應的催化體系以及生成相應產物的情況；
- Thus it becomes an economic tradeoff which must be evaluated for each catalyst system if optimum results are to be obtained. 這就成為一個經濟性權衡的問題，要想得到最佳化成果，就必須對每一個催化劑系統進行評價。
