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31. During this period, the content of aromatic substance attained their own peak, including ethyl acetate, butanol, and 2 methyl butanol.

32. The preparation process of trimesic from mesitylene by air in a liquid phase oxidation under normal pressure with the catalysis of cobalt acetate and sodium bromide was studied.

33. Conclusion Conservative therapy, including colonic clyster and intravenous drip of octreotide acetate, is effective on most of the elderly with stercoral obstruction of colon.

34. It is reported that fusel oil can be used for synthesising mixing esters mainly inclusding amyl acetate when it is heated and back-flowed with Catalyst oil of vitriol or canon exchange resin.

35. However, the effects of fludrocortisone acetate, particularly on electrolyte balance, but also on carbohydrate metabolism, are considerably heightened and prolonged.

36. Acetate cellulose sheet electrophoresis and electric blotting proved it to be an α1 - globulin.

37. The paper introduces a new method for the preparation of anhydrous plumbous acetate in the laboratory which is very convenient and saves time.

38. Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film.

39. The enzyme catalyzes the esterification of other alcohol with acetyl-COA to form acetate ester, but shows specificity to form phenethyl acetate.

40. Under optimized conditions, the concentration of ethyl acetate in Chinese spirits was determined.

41. In addition, acetaldehyde, ethyl acetate, ethyl caproate, ethyl valerate, ethyl lactate and some other unidentified compositions were also detected.

42. The self-made cellulose acetate(CA), as the second polymer, is blended with chitosan(CN). Phase transfer method is used to prepare the ultrafilter membrane.

43. The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stability of the material.

44. Objective Evaluate the reproduction toxicity of lead acetate to rodent with the embryos transplant technology.

45. A method for synthesis of isobutyl acetate based on ceric sulfate as catalyst was developed.

46. In experimental group prednisolone acetate was injected into knee joint at a dose of 7.

47. Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

48. OBJECTIVE To establish a rapid and exclusive method for the identification of medroxyprogesterone acetate tablets.

49. Cinnamon twig was identified with petroleum ether(60-90 )-ethyl acetate(17:3) as developer and dinitrophenylhydrazine ethanol solution as coloration using silica gel G.

50. This paper studied and compared the clarifiers of environmental protection type with traditional alkaline lead acetate. The juice was diffused in the cold water.

51. Many chemical and physical methods for detecting medroxyprogesterone acetate have been established by the international community.

52. The fruity type flue-cured tobacco essence mainly consists of trans-2-hexenal, hexenyl formate, methyl acetate, red date tincture,(www.Sentencedict.com) hawthorn tincture and the like.

53. Objective To establish gas chromatographic method for butyl acetate in workplace air.

54. Comparing this method with lead acetate sedimentation analysis, the determination result of the former is more accurate.

55. The effect of salt concentration on the desalination performance of CA( cellulose acetate ) and PA(polyamide) nanofiltration membranes was studied.

56. Reaction conditions for preparing isobornyl acetate from camphene using D72 resin as catalyst were studied. When D72 resin was in stirring state and in fixed bed conditions were compared.

57. The Benzyl acetate was prepared from benzyl chloride and sodium acetate by phase transfer catalysis.

58. A cellulose acetate solution is filtrated with a filter medium formed of cellulose fiber.

59. Sodium alginate and fucoidin were further purified, the purity of which was demonstrated homogeneously by chromatography on a sephadex G-75 column and acetate cellulose membrane electrophoresis .

60. Rich in various minerals, sea water works well with tocopheryl acetate and Xanthan, the latter with abundant natural polysaccharides, making the skin illuminating and smooth.