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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.