metathesis

metathesis

1. Clasp developed from Middle English clapse by metathesis.

clasp是由中古英语的clapse转变而来

2. "I don't think there is a single organic chemist who hasn't used metathesis... and if they haven't, they should have."

“我想不到有那位有机化学家从来都不用复分解反应......,如果他们没有用到,那他们确实应该用一下了。”

3. A general way to make molecules, such as that which the metathesis catalysts provide, can find many different applications.

一个构建分子的普通方法就可以获得很多不同的应用,就像复分解反应催化剂提供给我们的一样。

4. Keywords ethylene;2-butylenes;propylene;molybdenum-based catalyst;metathesis;

乙烯;2-丁烯;丙烯;钼基催化剂;歧化;

5. ring closing metathesis

关环复分解反应

6. Keywords Ring closing metathesis;Natural products;Metal carbene catalysts;

关环转换反应;天然产物;金属碳烯催化剂;

7. 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。

8. Keywords olefin metathesis;catalytic mechanism;metal carbene;application;

关键词烯烃复分解;催化机理;金属卡宾;应用;

9. Keywords Zinc sulfate solution;purification;metathesis;Cadmium resolution;Cobalt closed circuit;

关键词硫酸锌溶液;净化;置换;镉复溶;钴闭路;

10. Keywords dicyclopentadiene(DCPD);ring-opening metathesis polymerization(ROMP);polymerization mechanism;catalyst;

双环戊二烯;开环移位聚合;聚合机理;催化剂;

11. Keywords ring opening metathesis polymerisation;(ROMP);dicyclopentadiene (DCPD);titanium tetrachloride adduct complexes;

双环戊二烯(DCPD);开环移位聚合反应;四氯化钛络合物;

12. Keywords Bicyclic nucleosides;Tricyclic nucleosides;Radical cyclization;1;3-Dipolar cycloaddition;Ring-closing metathesis;

双环核苷;三环核苷;自由基环合;1;3-偶极环加成;烯烃复分解;

13. Small right oxter cut in cardiac valva metathesis

右腋下小切口在心脏瓣膜置换术中的应用

14. Keywords organic raw material;olefin metathesis;catalytic cracking;C_1-based chemistry;

基本有机原料;烯烃歧化;催化裂解;C_1化学;

15. Keywords metathesis;additive-liquid;patasseum perchlorate;patassium chlorate;patassium chloride;ecomomic energy;

复分解;添加液;高氯酸钾;固体氯酸钾;氯化钾;节能;

16. Metathesis has taken a route, not unusual in chemistry, from industry to the academic laboratory and then back out to industry.

复分解反应的研究路线是从工业到学术实验室,然后再应用到工业,这在化学上并不是个例外。

17. Meanwhile,under this auto-controlling mode,the cerebrospinal metathesis could be implemented,the medicines could be supplied and exhausted from the outside of ventricle,so as to reduc...

实际应用研究结果表明,该系统运行可靠,使用方便。

18. Ring-opening metathesis polymerization

开环易位聚合

19. Keywords ring opening metathesis polymerization;coordination polymerization;copolymerization;block copolymer;norbornene;ethylene;propylene;

开环易位聚合;配位聚合;嵌段共聚物;降冰片烯;乙烯;丙烯;

20. Keywords Ring-opening metathesis polymerization;Norbornene;Molecular weight;Molecular weight distribution;

开环易位聚合;降冰片烯;分子量;分子量分布;

21. Keywords ring opening metathesis polymerization;norbornene and its derivatives;

开环易位聚合;降冰片烯;降冰片烯衍生物;

22. Keywords Cyclooctene derivative;ionic liquid;ring-opening metathesis polymerization (ROMP);kinetics;self-assembly;

开环易位聚合(ROMP);离子液体;环辛烯类衍生物;动力学;自组装;

23. Ring opening metathesis polymerization

开环歧化聚合

24. Keywords Ring opening metathesis polymerization;Reactive polymer;Norborene derivatives;Cyclopentadiene;Living polymerization.;

开环歧化聚合;反应性功能高分子;降冰片烯衍生物;环戊二烯;活性聚合;

25. Keywords Ring opening metathesis polymerization;Polydicyclopentadiene;Tungsten;

开环歧化聚合;聚双环戊二烯;钨;

26. Keywords Ring opening metathesis polymerization;Anionic polymerization;Macromonomer;Comb graft copolymers;Polymeric catalysts.;

开环歧化聚合;阴离子聚合;大分子单体;梳形聚合物;高分子催化剂;

27. There were no metathesis of lymph node and tumor extension into the renal vein or vena cava pre-operative examination of all cases.

所有病例术前检查均未发现淋巴结转移及静脉癌栓形成。

28. Abstract: Olefin metathesis opens up new industrial processes for the production of important olefins in the field of petrochemicals.

摘要: 烯烃交叉复分解反应作为石油化工领域一种重要过程,为各种单烯烃间的互相转化提供了一条有效的途径。

29. Objective To summarize the cause on infection and dislocation after the THA metathesis tl improve the effect lf the THA metathesis.

摘要目的通过对人工髋关置换术后的感染及脱位原因分析,总结经验,提高髋关节置换术后的疗效。

30. Methods: Patients were given normal medical comprdhensive therapy, combined with the artificial liver blood plasma metathesis technique.

方法所有病例均按常规给予内科综合治疗,并进行人工肝血浆置换术;

31. Methods:To observe 379 patients,basis on CT image to analyse the relationship of median metathesis or encephaloma and acute phase of cerebral hemorrhage in TCM disease categeory.

方法观察379例急性出血性中风患者CT征象,分析中线移位及脑疝出现情况与出血性中风病类之间的关系。

32. metathesis catalyst

易位催化剂

33. metathesis reaction

易位反应

34. metathesis polymerization

易位聚合

35. Keywords Metathesis polymerization;Copolymerization;Poly(olefin co ester)s;

易位聚合;共聚合;烯烃共聚酯;

36. This paper reviews recent development of cyclic olifen ring-opening metathesis polymerization. The catalyst systems for the polymerization are described in detail.

本文综述了近年来环烯烃开环易位聚合研究的新进展,并对这些体系的催化剂作了详细的描述。

37. Gas-phase metathesis

气相复分解反应

38. Metathesis Reaction in Secondary School Chemistry Teaching

浅谈中学化学中的置换反应

39. Keywords Thermal rearrangement;Silicon-silicon bond;Cyclopentadienyl;Metathesis;

热重排;硅硅键;环戊二烯基;复分解;

40. olefin metathesis

烯烃复分解

41. olefine metathesis

烯烃复分解反应

42. Keywords Olefin Metathesis;Catalytic metathesis;Metal Carbene;Nobel Prize in Chemistry;

烯烃复分解反应;催化机理;诺贝尔化学奖;

43. Keywords olefine metathesis;ionic liquid;ruthenium catalyst;

烯烃复分解反应;离子液体;钌催化剂;

44. DISCUSSION ON THE DECREASE IN CATALYTIC ACTIVITY OF Bu_4 N[Mo(CO)_5 Cl]-RAlCl_2 SYSTEM IN OLEFIN METATHESIS

烯烃歧化催化剂Bu_4N[Mo(CO)_5Cl]-RAlCl_2活性衰减原因的探讨

45. The Process Progresses of Olefin Metathesis Technology in Boosting Propylene Production

烯烃歧化技术在增产丙烯方面的工艺进展

46. In particular, the production of propylene and other important olefins via olefins metathesis reaction from n-butenes feedstock has received considerable attention.

特别是在利用正丁烯生产丙烯和其它重要单烯烃方面,复分解反应受到越来越多的重视。

47. Keywords cyclo olefin copolymer;dicyclopentadiene;norbornene;metallocene;amorphous thermoplastics;ring opening metathesis polymerzation;

环烯共聚物;双环戊二烯;降冰片烯;茂金属;非结晶热塑性塑料;开环复分解聚合反应;

48. Keywords Cyclic olifen;Ring-opening metathesis polymerization;Catalyst systems;

环烯烃;开环易位聚合;催化体系;

49. Keywords Cyclo-olefin;Acyclic diene;Ring-opening metathesis polymerization;Living polymerization Catalyst;

环烯烃;非环二烯烃;开环易位聚合;活性聚合;催化剂;

50. recipocal metathesis

相互换位

51. Keywords Potassium Sulphate Mannheim Furnace Method Metathesis Method Association-Displacement Method Comprehensive Utilization of the Potassium Mines;

硫酸钾;曼海姆炉法;复分解法;缔置法;钾矿;综合利用;

52. Keywords potassium sulfate metathesis zinc sediment;

硫酸钾复分解锌渣;

53. space metathesis

空间置换

54. Results:Acute phase of cerebral hemorrhage in TCM disease categeory has relation with median metathesis or encephaloma.

结果中线结构移位及脑疝出现情况与出血性中风病类诊断有密切关系。

55. 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。

56. The development of study on ring opening metathesis polymerization(ROMP) of norbornene(NBE) and its derivativesis reviewed with 30 references.

综述了降冰片烯(NBE)及其衍生物开环易位聚合(ROMP)的研究进展。

57. Metathesis Ventilation

置换通风

58. Robert H.Grubbs and Richard R.Schrock made the crucial progress in the development of metathesis catalysts and their applications in this area.

美国的施罗克和格拉布二人继承和发展了肖万的烯烃复分解反应机制,研制出了有效、实用的催化剂。

59. In addition, syllable metathesis within a word prefers the interchange between a stressed syllable and an unstressed 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。

60. Keywords Ring opening metathesis polymerization;Dicyclopentadiene;

聚双环戊二烯;开环歧化聚合;

61. Aortic valve metathesis of minimally invasive cut on sternum

胸骨横断微创切口主动脉瓣置换术

62. blood plasma metathesis

血浆置换

63. Sound change as a result of sound movement, known as metathesis, involves a reversal in position of two adjoining sound segments.

语音移动所导致的语音变化被称为语音变位,它涉及两个相邻音段互换位置。

64. The Asset Metathesis Between Citigroup and Legg Mason

资产置换获双赢

65. Transition Metal-Catalyzed Alkyne Metathesis Reaction

过渡金属催化的炔烃复分解反应

66. Ru Carbene Complexes Catalyzed Olefin Metathesis

金属卡宾络合物催化的烯烃复分解反应

67. Keywords metallodendrimer catalyst;olefin polymerization;ring-opening metathesis polymerization;

金属树枝状大分子催化剂;烯烃聚合;开环易位聚合;

68. Keywords Ru;olefin metathesis;metal-carbene complex;catalytic reaction;

钌;烯烃复分解反应;金属卡宾络合物;催化反应;

69. Metathesis of Ethylene and 2-Butylene to Propylene on Molybdenum-Based Catalysts

钼负载型催化剂上乙烯与2-丁烯歧化制丙烯

70. 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

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