metathesis

1. What is assimilation, dissimilation and metathesis?: 什么是同化、异化和换位？

2. Reduction - metathesis method for preparation of strontium carbonate from celestite is developed.: 提出还原-复分解法制备碳酸锶的新工艺。

3. In addition syllable metathesis within a word prefers the interchange between stressed syllable and an syllable.: 而且，同一个字内常见一重一轻的音节互换，少有二个非重音节互换。

4. The mechanism of C_4-olefin metathesis to produce propylene and the Re-based catalysts for the metathesis were introduced.: 介绍了C_4烯烃歧化的基本原理以及歧化反应用负载型铼基催化剂。

5. Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isomerization, metathesis.: 综述了钌催化剂催化的主要几类有机合成反应，包括氢化、氧化、异构化、复分解。

6. Metathesis reaction is not only one of the major reactions in secondary school chemistry teaching, but a typical REDOX reaction.: 置换反应是中学化学中的主要反应，也是典型的氧化还原反应。

7. Two words form a "metathesis pair" if you can transform one into the other by swapping two letters; for example, "converse" and "conserve".: 两个单词，如果其中一个通过调换两个字母位置就能成为另外一个，就成了一个『交换对』。

8. "The lecture will briefly discuss the metathesis reaction and show why the Nobel committee chose to call it an example of" Green chemistry.: 本演讲概括讨论复分解反应，并且展示为什么诺贝尔委员会把该反应称为“绿色化学”的范例。

9. Ring closing metathesis (RCM) of dienes to cycloalkene provides an important tool for C-C double bond formation catalyzed by metal carbene.: 关环转换反应是形成碳碳双键的重要反应之一，即双烯化合物在金属碳烯催化下关环得到环烯类化合物。

10. The base principle, key technology, characteristic and progress on synthesis of ceramic powders by solid-state metathesis reactions are described.: 本文扼要地介绍了固态复分解反应法制备陶瓷粉末的基本原理、关键技术、特点及其研究进展。

11. Robert H. Grubbs, an American chemist, was born in Kentucky in 1942. In 2005, he received the Nobel Prize in Chemistry for his work on olefin metathesis.: 罗伯特·格拉布，美国化学家，1942年出生于肯塔基州，2005年因“烯烃复分解反应”的研究而获得诺贝尔化学奖。

12. Polydicyclopentadiene (PDCPD) is a novel engineering material synthesized by reaction injection molding (RIM) method and such reaction mechanism is ring-opening metathesis polymerization.: 聚双环戊二烯是采用反应注射成型工艺合成的一种性能优良的新型工程材料，是通过开环易位机理形成的聚合物。

13. Polydicyclopentadiene (PDCPD) is a novel engineering material synthesized by reaction injection molding (RIM) method and such reaction mechanism is ring-opening metathesis polymerization.: 聚双环戊二烯是采用反应注射成型工艺合成的一种性能优良的新型工程材料，是通过开环易位机理形成的聚合物。

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