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31. Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.

32. The surface physicochemical properties of hydroxyl terminated polybutadiene(HTPB)were studied by means of inverse gas chromatography(IGC).

33. The extracting conditions and effects of scavenging hydroxyl free radical of scallop(Patinopectem yessoensis) viscus polysaccharide were studied.

34. Synthesis of soluble fluorinated alkene with hydroxyl and preparation of fluorinated polyurethane coatings were described.

35. The crosslinked poly alcohol bead was as medical adsorbent because it has plenty of hydroxyl group.

36. Extraction and scavenging capacity of hydroxyl radical polysaccharide from Thunb were studied in this paper.

37. New research revealed how one class of drugs, the aminoglycosides, unleashes the hydroxyl radical cell death pathway by binding to its target inside the cell.

38. Under this condition, is it possible to produce hydroxyl or carboxyl on the surface of oxide?

39. The Gelidium amansii showed scavenging capacity to hydroxyl free radical generated by Fenton reaction and to superoxide anion generated by a pyrogallol autoxidation system.

40. Hydroxyl acrylic acid resin ( HAR ) with high solid and low viscosity anacrylic acid monomer in solution.

41. And if there is a hydroxyl in ortho position of carboxyl, the oxygen of hydroxyl and carboxyl in ligand are bound to Ti to form hexatomic cyclic compound.

42. The unsaturated vinyl group could be introduced into polymer by the reaction of isocyanate with hydroxyl group and the UV-curable carbon black dispersant could be obtained.

43. When the method is applied to hydroxyl number determination of HTPB initiated by H2O3, the hydroxyl number is two times as large as one obtained by existing classical acetylizing method.

44. Among them, alcohol, 2- acetone, ethyl acetate, ethanoic acid, 3- methyl -1- butylacohol, 3- hydroxyl -2- methyl ethyl ketone made up the main volatile constituent fermentation sausage.

45. The alkylation and acylation for hydroxyl group linked with nitrogen were accomplished to give N alkoxy and N acyloxy purpurin 18 imides, respectively.

46. Experiments showed that when using azide as the ammonia source to replace the hydroxyl into azido, then adding zinc powder can be reduced to the product, obtained 70% yield.

47. The changes of molecular weight, life under heat, acid value, hydroxyl value and chlorine content of lac resin during bleaching and de-chlorinating processes have been studied.

48. New unique modifiers of self - made hydroxyl acrylic resin ( emulsion ) and isocyanate terminal waterborne polyurethane were developed.

49. Through addition, acidification, closed ring and finally decompressed distillation,[www.Sentencedict.com] hydroxyl propane was made used propenol as initial material.

50. Three isoflavone compounds are synthesized with hydroxybenzene and phenylacetic acid in the improved method and three isoflavone derivatives are synthesized by modifying phenolic hydroxyl in A-ring.

51. It is shown that Bronsted acid sites are mainly formed from the hydroxyl groups in the main channels of mordenite.

52. Conclusion Phenolic hydroxyl group is necessary for Chalcone antioxidant; Hydroxyl and double bonds of the opened C ring can increase antioxidant activity.

53. Conclusion: The new monoterpene glycoside was identified as 4 " - hydroxyl - albiflorin. "

54. Antioxidant performance of extracts of seabuckthorn leaves was investigated with hydroxyl free radical system and superoxide anion free radical system.

55. Benzotriazole , o - hydroxyl benzophenone, salicylic acid and esters comprise several important types of ultraviolet - absorbents ( UAS ).

56. Its molecular structure is made up of a five member, unsaturated lactone ring with two hydroxyl groups.

57. The free hydroxyl ion is involved in a further reaction with the silica network.

58. The new surfactant, lauroyl citric acid ester, was synthesized by reaction hydroxyl group of citric acid with lauroyl chloride.

59. The theory of complex chemistry and construction chemistry was used to explain the mechanism of action between naphthalene hydroxyl oximino acid and wolframite.

60. Hazelnut shell brown pigment oxidation in vitro experiments showed that the pigment had scavenging effects on hydroxyl radical, superoxide anion radical and aliphatic radicals on lipid-per oxidation.