metathesis

noun

1. （词中音段或字母的）换位
   a change in the order of sounds or letters in a word

1. Synthesis and Property Study of Functional Ru-Based Olefin Metathesis Complexes
   功能化钌卡宾烯烃复分解催化剂的合成及性能研究
2. Metathesis of ethylene and 2-butylene to propylene over WO_3/ SiO_2 catalysts
   WO3/SiO2催化剂上2-丁烯与乙烯歧化制丙烯
3. What is assimilation, dissimilation and metathesis?
   什么是同化、异化和换位？
4. Progress on C_4-Olefin Metathesis on Re-based Catalyst to Produce Propylene
   负载型铼基催化剂上C4烯烃歧化制丙烯研究进展
5. The Metathesis of Freedom Equality and Fraternity
   《三色》：被置换的自由、平等和博爱
6. Synthesis of Pyridyl-based Ionic Liguid Supported Ruthenium Complex and Kinetics of Ring-opening Metathesis Polymerization in Ionic Liguid
   含吡啶配体的钌催化剂合成及在离子液体中开环易位聚合反应
7. Ring-Opening Metathesis Copolymerization of Macrocyclic Olefin and Synthesis of Cyclic Polymers
   大环烯烃参与的开环易位共聚合及环状聚合物的合成与表征
8. Synthesis of Amphiphilic Block Copolymer via Ring-Opening Metathesis Polymerization
   开环易位聚合方法制备两亲性嵌段共聚物
9. Studies on ring-opening metathesis polymerization of dicyclopentadiene and properties of synthesized polymers
   双环戊二烯开环歧化聚合反应及合成聚合物性能研究
10. Application of Ionic Liquid in Olefin Metathesis
    离子液体在烯烃复分解反应中的应用
11. Design Summary of Potassium Nitrate Unit by Vacuum Crystallization and Metathesis Method
    真空结晶复分解法硝酸钾装置设计总结
12. Separation and Purification of Al_ ( 13) by Chemical Precipitation and Metathesis
    化学沉淀分离-置换法提纯Al（13）的工艺研究
13. Quantum chemical study on the reaction processes of olefin metathesis
    烯烃歧化反应过程的量子化学研究
14. Production of Potassium Sulfate from Potassium Chloride and Thenardite by Metathesis Conversion Method
    氯化钾与无水芒硝复分解转化法制取硫酸钾方法的探讨
15. In this paper, the advances in the preparation of POSS-containing hybrid polymers are briefly reviewed, involving free radical solution polymerization, controlled/ living polymerization, open-ring metathesis polymerization, condensation polymerization and coordination polymerization.
    本文综述了含POSS新型杂化聚合物的合成研究进展，涉及自由基溶液聚合、可控活性聚合、开环易位聚合、缩聚和配位聚合。
16. Cross-metathesis with olefins is means to change the chain length of fatty acids and derivatives;
    与烯烃交叉转移置换意味着改变脂肪酸的链长生成新的衍生物；
17. Recent advances in ring closing metathesis ( RCM) reaction, including olefin and enyne metathesis reaction are reviewed.
    综述了近几年来关环复分解（RCM）反应的研究新进展，包括了烯烃、烯-炔的RCM反应。
18. The latest advances of catalytic process of olefins metathesis were reviewed. The preparation of supported tungsten, supported molybdenum, and supported rhenium catalysts by Phillips Petroleum, IFP and Shell Co. were introduced.
    综述了烯烃歧化催化工艺的进展，介绍了PhillipsPetroleum、IFP、Shell公司制备载钨、载钼及载铼催化剂的方法。
19. In the short term, the integration of refineries and petrochemical plants as well as the processes of olefin metathesis, C_4~ C_8 olefin catalytic cracking can greatly boost the domestic production of olefins and aromatics.
    认为近期应采取炼厂与石化厂一体化、烯烃歧化、C4～C8烯烃催化裂解等措施，从而增加我国烯烃和芳烃产量；
20. Effect of MgMo/ MCM22 Catalyst Pretreatment on Metathesis of Ethylene and 2-Butylene to Propylene
    预处理条件对MgMo/MCM22催化剂乙烯与2-丁烯岐化制丙烯反应性能的影响
21. Ring-opening metathesis polymerization ( ROMP) is one of the most important part in the field of polymer synthesis.
    开环易位聚合反应是高分子合成领域引人注目的目标。
22. Advances in the study on ring opening metathesis polymerization of norbornene and its derivatives
    降冰片烯及其衍生物开环易位聚合的研究进展
23. Olefin metathesis has attracted much attention as a powerful tool to form C-C bonds in organic synthesis.
    烯烃复分解反应因其是有机合成中合成C-C键的重要手段而备受关注。
24. After activity test, these two catalysts ( a total of 9) all have catalytic olefin metathesis activity.
    经过活性测试，这两种催化剂（共9个）都具有催化烯烃复分解反应的活性。
25. Among different approaches, Surface-Initiated Ring-Opening Metathesis Polymerization ( SIROMP) has been researched and applied extensively because of its mild condition, high polymerization rate, and the characteristics of its polymerization.
    在多种从表面接枝方法中，表面引发开环易位聚合（SIROMP）反应由于其条件温和，聚合速率高，以及其活性聚合的特点，受到了广泛的研究和应用。
26. There are more than 30 total synthesis routes have been reported in the past 20 years, and more practical and creative synthesis routes are reported since the discovery of olefin metathesis reaction in recently years.
    在过去的20余年里涌现出30余条全合成路线报道。而近年来由于烯烃复分解反应的发现，给苦马豆素的合成带来了更富实用与创意的合成路线。
27. In this paper, balance of design and control is investigated for an olefin metathesis reactive distillation column through four designs with different reactive section distribution.
    在本文中，同样以2-戊烯反应蒸馏塔为例，通过四种反应段分布不同的设计方案研究了反应段分布对系统设计与控制的平衡作用。

noun

1. a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)

   Synonym:    double decompositiondouble decomposition reaction

2. a linguistic process of transposition of sounds or syllables within a word or words within a sentence