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31, Grasping the measuring method of total exchange capability of acid cation resin.

32, The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and butyl alcohol.

33, The phthalocyanine comprises one or more sulfonate groups and a counterion of at least one sulfonate group is a phosphonium cation.

34, Bentonite, which was modified by anion - cation surface - active agent , is succeeded in applying to organic wastewater treatment.

35, The results suggest that an increase in alkyl group chain substituted on the cation ring correspond with an increase in toxicity.

36, Objective To study the clinical effect of ultrasonic phacoemulsifi - cation and hindantrum - type intraocular lens implantation in cataracts.

37, Ion pairs with different structure of either dye anion or onium cation have different properties.

38, Measurement of the cation exchange capability (CEC) and swell capability of samples in fresh water indicated that they have correlations with the relative quantity and cations in interlayers of S/I.

39, Polar aprotic solvents possess excellent metal cation coordinationability, so they can solvate and dissociate enolates and other carbanions from ion pairs and clusters.

40, Amphipathic cation association polymer, preparation process, use and composition thereof.

41, The product was decolored by 711 anion resin and purified dynamically by D001 macropore cation exchange resin,(http://sentencedict.com/cation.html) and the extraction rate was upto 95.83%.

42, Methods 32 hemorrhoid were treated by copper cation electrochemistry therapy, and the therapeutic effects were observed.

43, This paper studied the surface chymic character of the modified extinguishing coke powder and the effect of the adsorbing cation capability.

44, The exchangeable characteristic of cation is the driving force that makes the organic cation intercalate the interlayers.

45, With the action of some bivalent cation, high temperature shift catalyst has been prepared by mixture precipitation method using open-hearth dust as a raw material.

46, Orthophosphite ions produced by oxidation of hypophosphite in an electroless nickel plating bath can be removed by precipitation with an alkali metal or alkaline earth metal cation such as calcium.

47, Intrinsic kinetics of isobutene(IB) oligomerization was investigated over strong acid cation exchange resin as catalyst in presence of tert-butyl alcohol(TBA).

48, The general formula, cation site occupancy and its coordination number in the structure of tungsten bronze niobate crystals are discussed.

49, The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and alcohol.

50, Ethanol and tert-amyl alcohol were employed to synthesize tert-amyl ethyl ether in the liquid phase at atmospheric pressure. The strong acid cation exchange resin, NKC-29, was used as catalyst.

51, A cation aminomethylation polyacrylamide which reacted with formaldehyde and amine was prepared by Mannich reaction.

52, The spherical ligninbased cation exchange resin was prepared with calcium lignosulphonate as raw material in a cheap and non-toxic dispersing medium by reversed phase suspension polymerization.

53, The common resuscitative agent for polluted cation exchange resin by iron is hydrochloric acid.

54, Cases hoarding and low cation efficiency helped to develop plea bargaining in the United States.

55, Objective To investigate the therapeutic effect of copper cation electrochemistry therapy on internal hemorrhoid.

56, A kind of technical process, by which cation modified asphalt emulsion was prepared with polymer added to cation serum and then mixed with 70 heavy asphalt was introduced.

57, The results indicated that the acid strength is not only related with the proton affinity, but also interaction between cation framework and absorbed molecule.

58, Extraction methods of natural lac dye as well as its application to silk and cation modified cotton are discussed.

59, Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong - acid cation exchange resin.

60, The application of smectite which is modified by quaternary ammonium compound cation surfactant, hexadecyltrimethylammonium (HDTMA) to industrial wastewater treatment has been studied.