1. like an isomerization inside a crystalline solid.

2. The azo-dyes perform an optically induced cis-trans isomerization.

3. The isomerization process of crude isopentene was studied.

4. Isomerization of safrole can afforded isosafrole - the intermediate of the effective antihypertensive agent - methyldopa.

5. The Cis-Trans photoisomerization and thermal isomerization of azobenzene group was main reason that caused the dipole orientational relaxation.

6. This paper describes the isomerization of 2, 3 - epoxy pinane to α - campholenic aldehyde by catalyzing with Lewis acids.

7. The model was then applied to an industrial isomerization unit for on-line estimation of the para-xylene (PX) concentration.

8. Isomerization unit data connectivity components for the main database for retrieval and XML data generation.

9. An isomerization of light paraffin is promoted by the interaction between palladium and Bronsted acid site on external surface of mordenite.

10. Isomerization occur during bromine reaction, that is mean secondary allylic configuration changes into primary allylic configuration.

11. In the isomerization of vinyl norbornene, the conversion of VNB and selectivity of ENB are both almost 100%.

12. Process for preparing rich tran-chysanthemic acid (I) by isomerization and saponification of ethyl chrysanthemate has been studied.

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13. The sterane isomerization maturity parameter and alkylphenanthrene index indicate that the maturity of oil sand is low.

14. Olefins including cinnamate derivatives can perform cis-tran isomerization through directly irradiation or photosensitized by triplet-state photosensitizer.

15. In addition, the reaction mechanism of bond isomerization of butene catalyzed by HF has been investigated.

16. It features better isomerization activity, selectivity and stability. It is suitable to prepare para-resultant of C8, C9 and C10 arene.

17. Fall congeal degrees on mixture of KH150BS bodying oil with different base oil of different nature such as high viscosity index base oil, isomerization unit based oil lost and so on were studied.

18. The author has put forward a new type of invented time scale for extending this method to reversible complex networks, e. g. the reaction of xylene isomerization over HZSM-5 zeolite catalyst.

19. In femtochemistry, we describe the application of femtosecond lasers to studies of chemical reaction processes, isomerization, breaking and forming of the bond, and the dynamics of transition states.

20. The influence of the calcination temperature on the catalytic activity of o - xylene isomerization was investig.

21. The paper presents the preparation of non-noble metal catalyst for Light paraffine isomerization at low temperature.

22. It is well known that azo molecules can undergo trans-cis-trans isomerization cycles under the irradiation at the wavelength lying in the absorption region.

23. Chinese turpentine, which contains more than 90% pinene, could be used for preparation of camphene by direct isomerization.

24. It has shown that less 1, 2-unit content corresponds to lower potential barrier of internal rotation and hence to lower energy of rotational isomerization.

25. The products of long carbon chain alkaries in the distillate oil obtained in petroleum refining may be conversed into isoalkanes in the isomerization.

26. They are shown to be consistent with the Hula twist mechanism of isomerization.

27. The results indicated that the strong acid sites of MCM-22 zeolite benefit the aromatization reaction in opposite to the isomerization process.

28. Thermodynamic analysis on the n C 5 , n C 6 paraffin isomerization reaction was worked out in detail.

29. The influence of the calcination temperature on the catalytic activity of zeolitefor the reaction of o-xylene isomerization was investig.

30. The relationship between acid amount of the catalysts and activity of the isomerization of 1 - betene was linear.

31. The catalytic activity and selectivity of the catalysts for n-pentane isomerization at ambient temperature were investigated.

32. The main source of benzene in the presence of a catalyst oxidation to form maleic acid, and then derived by isomerization.

33. Several zeolite catalysts were selected to convert 1 hexene to 2,3 dimethyl 2 butene (DMB 2) in this work. ZSM 35 and SAPO 11 zeolite are suitable skeletal isomerization catalysts.

34. The extent of isomerization is related to chain element construction, but not dependant on molecular weight.

35. The cracking and skeletal isomerization became more strong with the rise of reaction temperature, while oligomerization, cyclization and hydrogen transfer reaction became weaker.

36. The product of isomerization, not being separated, is directly saponified to achieved I.

37. Advances in tungsten carbide alkanes isomerization catalysts, including their preparation and the isomerization mechanism, were reviewed.

38. The non-noble metal catalyst for n-pentane isomerization at low temperature was prepared by acid modification.

39. Esterification of fumaric acid with catalysts, isomerization of maleic acid and maleate with catalysts were investigated.

40. In the solar energy transfer and storage system, the isomerization of norbornadiene and quadricyclane is an important reaction.

41. This is carried out by chemical and petrochemical industries in processes such as isomerization, alkylation homologation, etc.

42. The influence of the calcination temperature on the catalytic activity of zeolitefor the reaction of o-xylene isomerization was investigated.sentence dictionary

43. But the existing process for n-butane isomerization can't avoid corrosion and pollution. So, exploration of environment friendly process is in need.

44. The isomerization products of ? ? - BHC are α - BHC and δ - BHC , The isomerization ratio is between 0.04 % - 0.17 %.

45. The olefin cracking and the pentene isomerization over zeolites are two very important reactions in the petrochemical industry.

46. Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isomerization, metathesis.

47. More p-xylene may be obtained by disproportionation and isomerization of alkylbenzenes.

48. To react at a shorter contact time can enhance skeletal isomerization reaction under lower reaction temperature, since isomerization is a relatively quick reaction during catalytic cracking process.

49. The change adiabatic temperature was small during coupling isomerization with aromatization of hexene - 1 (), because both re.

50. An HPLC method was established for the determination of antiepilepserine and its cis-isomer and was used to study the kinetics of photochemical isomerization of antiepilepserine in methanol solution.

51. A method to prepare conjugated linoleic acid by alkali - catalyzed isomerization of sunflower oil was studied.

52. L - arabinose isomerase mediates the isomerization of D - galactose into D - tagatose.

53. The thermal isomerization of Pinane is studied at high temperature and Atmospheric pres are.

54. Light paraffin isomerization is an important method for processing and utilizing of natural gas liquid, it plays an important role in improving the octane number of light gasoline fractions.

55. Myrtenol was synthesized form 2, 10-epoxypinane as raw material by liquid phase isomerization in the presence of ammonium salt catalysts.

56. After crude oil alteration, the degree of sterane isomerization reaction is enhanced, and in some samples, the balanced endpoint value of isomerization reaction is exceeded far beyond.

57. The sterane isomerization maturity parameter alkylphenanthrene index indicate that the maturity of oil sand is low.

58. The network world is open, and may grow volatile, distributed nature, autonomist, isomerization unit of information systems have become an inherent feature.

59. The Octane Number is retained owing to HZSM 5 ? ? s excellent ability of aromatization, isomerization and alkylation.

60. The diagenetic stages and diagenetic facies are predicted by modeling the paleotemperature, vitrinite reflectance, sterane isomerization rate and authigenic quartz concentration in space and time.

61. The isomerization of methyl ester of cottonseed oil by the catalyst iodine was investigated.

62. Hence a higher para-xylene selectivity in isomerization reaction of xylene on ZSM—5 molecular sieves is verified based on the experimental results.

63. The transition metal catalyzed isomerization reactions of acetylenic derivatives were studied.