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61, Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.

62, Methods 34 patients with fibroid were treated by intra - arterial embolization of PVA particles and Gelfoam stick after super - selective catheterization.

63, Mixed bacteria could degrade poly ( vinyl alcohol ) ( PVA ) completely and produce extracellular PVA - degrading enzyme.

64, To reduce the use of PVA in size formula in polyester cotton blended product, and reduce sizing cost, sizing practice of using low alcoholization PVA-217SB and Runli size mixture were done.

65, The mechanism of reaction between PVA and dialdehyde starch was discussed and the factors on reaction were investigated also.

66, The pervaporation separation of water - ethanol mixture was carried out using PVA membrane crosslinked by culinary acid.

67, Subsequently, the micromorphology of PVA hydrogel was observed by means of optical microscopy and SEM.

68, Using water soluble PVA ( polyvinyl fibre ) manufacture super weight worsted fabric, it can improve production's quality and price.

69, The polyanionic membrane material was synthesized with alcohol ( PVA ) and vitriol as raw materials via ultrasonic.

70, The results of fluorescence spectrophotometry and DSC suggested that the interaction of PVA with staphylokinase did not destroy advanced structures of staphylokinase.

71, One tool for assessing the impact of forestry on the ecosystem is population viability analysis ( PVA ).

72, The experimental results show that the coating has higher strength contained PVA organic binder than con- tained colloidal silica inorganic binder at room temperature.

73, The polyvinyl alcohol ( PVA ) modified electrode has been prepared on the basis of glassy carbon electrode.

74, Lead titanate nanorods with different length and diameter ratios have been successfully fabricated via hydrothermal method, PVA and PAA with different concentrations assisted as additives.

75, With PVA fibers or vinylon fibers as reinforced fibers, the effects of hydration time, hydration method and fibers on mechanical properties of cement pastes were studied.

76, The effects of these factors on the formation of PVA membrane, the interfacial characteristics and adhesion of PVA to charcoal powder were discussed.

77, METHOD: Using proper method to draw the medicinal heard , PVA as base to prepare pellicle.

78, The synergistic chromogenic reaction of Nb(V) with both bromopyrogallol red(BPR) and diantipyrylmethane(DAM) in the presence of polyvinyl alcohol(PVA) is studied.

79, Through PVA is excellent size, it is difficult to biodegrade and pollutes environment. Sentencedict.com

80, The result showed physiological and bio-chemical change of Chinese Milk Vetch with PVA pretreatment have adapted stress of low temperature before winter.

81, The PVA - PAN composite membrane was applied to remove water from aqueous acetone solution by pervaporation.

82, Glue photocopies on the underside of the glass using a PVA adhesive.

83, To add a little calcium alginate into boric acid cross-linkedpolyving akohol(PVA)and permeate active sludge culture into the mix, and at last apply the mix on carrier to make film.

84, The results showed that the tensile, tear and ring crush compression resistance of the paper increased by using water-soluble PVA fibers.

85, Dialysis and ethylene diamine tetraacetic acid ( EDTA ) were used for improving electrospinnability of the PVA.

86, The influence on fibers density and shrinkage by PVA and glycerin content is studied via parameter-transformation procession.

87, For solving the problem of hard degradation of PVA, a new generation of biodegradation enzymes has been developed, which can fast biodegrade PVA waste liquor.

88, The ferric sulfate modified PVA UF membranes, PVA-CA (cellulose acetate) blend UF membrane and the metal chloride modified PVA-CA blend UF membrane were prepared for the first time by phase inversion.

89, The theoretical calculation and the testing method of PVA adsorbed layer were given is this paper.

90, It can increase yarn number and decrease cost by using PVA to produce wool blending fabrics.