• It also blocked 97 percent of the threats generated by a MuDynamics PVA test and 99 percent of those by the BreakingPoint.

    同时也拦截了97%MuDynamicsPVA威胁和BreakingPoint99%的威胁。

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

    一个评估森林生态系统影响工具人类生存分析(pva)。

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  • L9 (34) orthogonal experiment was adopted, the effects of concentration of initiator, reaction time, volume ratio of monomers and amount of PVA on shear strength of adhesive were investigated.

    采用L9(34)正交实验考察引发剂浓度反应时间单体体积PVA用量木材胶黏剂的剪切强度的影响。

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  • Poly (vinyl alcohol) (PVA) is widely used in textile industry as a sizing agent.

    聚乙烯醇(PVA)纺织工业广泛用作上浆剂。

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  • PVA; oxidized starch; water solubility.

    聚乙烯醇氧化淀粉水溶性

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  • The glaze technology is improved by introducing polyvinyl alcohol(PVA) in glaze composition.

    提出了引入聚乙稀PVA)溶液方法。

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  • Using the orthogonal matrix experimental method, the effects of borax or TDI on the PVA adhesive were discussed.

    采用正交实验研究硼砂TDI加入量PV A粘合剂耐水性能和剥离强度的影响。

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  • This paper has introduced the background, theory of the hydrogel, and the common hydrogel PVA and SA.

    本文介绍凝胶背景理论以及常见水凝胶pva、SA。

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  • In the process of making PVA water-soluble film, drying method and drying parameter will influence the production efficiency and quality of PVA film in drying system.

    PVA生产过程干燥系统中干燥方法的选择参数的确定直接影响到膜的生产效率品质

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  • TEM photos show that the growth of algae does not be restrained on the PVA carrier.

    透射电镜照片显示聚乙烯醇载体藻类生长没有受到限制。

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  • The existing problems of traditional PVA drying were analyzed, the paddle two-grade drying process for PVA and its applications were presented.

    分析了传统聚乙烯醇干燥工艺存在问题介绍了聚乙烯醇桨叶两级干燥工艺应用情况

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  • The water-solubility of poly (vinyl alcohol) (PVA) films is analyzed from the polymer structure, the blend modification method is put forward to increase the water solubility of PVA films.

    聚合物结构方面分析了聚乙烯醇(pva)薄膜水溶性提出共混改性方法提高PVA薄膜的溶解性能

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  • Looking for a new sizing material that substitutes PVA has become our common understanding, because PVA causes serious pollution and destruction to environment.

    由于PV A对环境造成严重的污染破坏寻找一种新的浆料替代PVA已经成为大家的共识。

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  • The relationship of cotton hollow yarn tensile strength against PVA content is tested, analyzed and discussed.

    型中空强力PV A含量关系进行了试验、分析讨论。

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  • The preparation and characterization of PVA MA membranes by crosslink esterification are described.

    介绍聚乙烯醇PVA)与马来酸(MA酯化制备性能表征

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  • The result indicates:the toughness of PVA fiber concrete beams is higher than common concrete in any concrete ages, and increasing with PVA fiber volume ratios increasing.

    分析结果表明无论哪种龄期,PVA纤维混凝土韧性要比普通混凝土梁随纤维含量的增加而增大

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  • A method was established to determine the content of PVA in desizing wastewater.

    目的建立一种退浆废水聚乙烯醇质量浓度测定方法

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  • Results: The concentration of PVA was the significant factor affecting the particle size (P<0.05).

    结果聚乙烯醇PVA浓度影响粒径的的显著因素(P<0.05);

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  • But the cotton fabrics treated by PVA must be desized to enhance their water absorbency.

    pva上浆的棉织物必须经过退浆处理,增加棉织物对吸收性

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  • In this paper, research and development of PVA super water absorbent resin are introduced.

    介绍了聚乙烯醇(pva)系高吸水树脂国内外研究开发情况。

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  • SEM and FTIR as well as DSC techniques were employed to characterize the morphology and structure of crosslinking of PVA nanofibers membrane, PVA nanofibers membrane as well as PVA powder.

    采用扫描电镜法(sem)、红外光谱法(FTIR)、差热扫描法(DSC)对PV A粉末、未pva纳米纤维以及交联PVA纳米纤维膜形态结构进行了研究。

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  • The morphology of PVA membranes shows that only cell structure is formed in all coagulants.

    微观结构表明上述凝胶剂中,PVA膜均形成蜂窝状孔。

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  • The morphology of PVA membranes shows that only cell structure is formed in all coagulants.

    微观结构表明上述凝胶剂中,PVA膜均形成蜂窝状孔。

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