polyvinyl alcohol

In the presence of some special surfactants such as Arabic gum, polyvinyl alcohol or their mixture, the associated ion is soluble in water, accompanied with very sensitive color change.

在某些特殊型表面活性剂，如阿拉伯树胶、聚乙烯醇或其混合溶液的存在下，离子缔合物溶于水，并伴有极灵敏的颜色变化。

It was studied that the performance of polyvinyl alcohol ( PVA ) fibers in this paper.

该文通过对聚乙烯醇 ( PVA ) 纤维改性改善成纸的性能作了研究.

Polyvinyl alcohol sizing agent is a high molecular compound with good film forming properties and the PVA films have high strength, high elasticity, and high abradability.

PVA浆料是一种成膜优良的高分子化合物，浆膜具有强度高、弹性好、耐磨等特点。

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

本文提出用玻碳电极为基体制作聚乙烯醇 ( PVA ) 修饰电极.

Emulsion polymerization process for high relative molecular mass polyvinyl alcohol

乳液聚合法合成高相对分子质量聚乙烯醇

The feasibility of the application of polyvinyl alcohol ( PVA ) to printed wiring board was studied.

研究了PVA在电路板印刷的应用可行性.

The variation of properties of polyvinyl alcohol with the amount of photosensitizer and the time of ultraviolet irradiation has been studied.

本文研究了聚乙烯醇的性质随光敏剂加入量和紫外光照射时间的变化。

Research on modified polyvinyl alcohol ( pva 841) for cold setting adhesive

改性聚乙烯醇（PVA&841型）木工冷粘胶试验研究报告

Polyvinyl alcohol is an addition polymer formed from hydroxyethene or vinyl alcohol.

聚乙烯醇是由乙烯醇加成聚合后形成的.

The surfaces of wool single yarn are covered by soluble polyvinyl alcohol using friction spinning.

利用摩擦纺技术将可溶性维纶以一定包覆比包覆于毛单纱表面.

The team treated balsa wood in an oxidizing bath that bleaches it of nearly all visibility and then penetrated it with a synthetic polymer called polyvinyl alcohol ( PVA)-creating a product that is virtually transparent.

该团队把木材泡在氧化剂里，褪去几乎所有可见的颜色，然后注入一种名为聚乙烯醇的合成聚合物，开发出几乎完全透明的一种产品。

The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening.

聚醋酸乙烯和聚乙烯醇是经过无数次筛选的理想修补材料.

The starch-based biodegradable plastic film was made arch and polyvinyl alcohol ( PVA ) in this paper.

本文以淀粉和聚乙烯醇 ( PVA ) 为主要原料,制备了淀粉基生物降解性塑料薄膜.

The result showed that titanate modificator is better than siloxane and PVA ( polyvinyl alcohol ) .

实验表明,钛酸酯的表面修饰效果优于聚乙烯 醇和 硅氧烷.

The conventional method was by the condensation reaction of formaldehyde and polyvinyl alcohol.

常规的制备方法是通过甲醛和聚乙烯醇的缩合反应来实现的.

And the content of chromate and polyvinyl alcohol also affect the bonding force between the coating and matrix.

涂液中铬酐和聚乙烯醇的含量还影响涂层与基体之间的结合力，必须适当控制。

Reseaching result found that adding TTPI improve greatly the strength and water-resistance of polyvinyl alcohol glue.

结果表明,TTPI的加入较大幅度地提高PVA胶水的粘结性能和耐水性能.

In the polyvinyl alcohol ( PVA) medium, potassium can react with sodium tetraphenylboron to form a stable colloidal precipitation. Beer's law is obeyed in the range 0~ 1.0 mg/ 25 mL.

研究了在聚乙烯醇介质中，利用钾离子与四苯硼钠形成稳定的胶体沉淀可测定钾含量，钾量在0～1.0mg/25mL范围内符合比耳定律。

A polymer-supported titanate ( PVAC – 1) was prepared by the reaction of titanium tetrachloride with polyvinyl alcohol, and was been characterized with FTIR.

聚乙烯醇与四氯化钛在二甲基亚砜和无水乙醇的混合溶剂中反应，制得负载钛酸酯催化剂PVAC-1，用红外光谱对其进行了表征。

A new adsorbent for Triglyceride ( TG ) was synthesized by modifying cross-linked polyvinyl alcohol beads with taurine.

以牛磺酸修饰交联聚乙烯醇凝胶合成了吸附剂.

The paper studied the preparation of modified urea-formaldehyde resin adhesive with polyvinyl alcohol ( PVA ) and melamine.

研究了聚乙烯 醇和 三聚氰胺改性脲醛树脂胶粘剂的制备工艺和配方.

Electron beam-irradiation method was applied to prepare nano-sized nickel powders in aqueous system at room temperature and ambient pressure using polyvinyl alcohol ( PVA) and dodecyl trimethyl amine bromide ( DTAB) as the surfactants respectively.

在水溶液中，于常温常压下分别使用聚乙烯醇（PVA）和十二烷基三甲基溴化胺（DTAB）为表面活性剂，用电子束辐照方法制备了纳米镍粉；

At present, polyvinyl alcohol ( PVA ), polyacrylic and starch size are three main sizes in the sizing market.

目前, PVA 浆料 、 丙烯酸浆料、淀粉浆料是浆料市场的三大类主流浆料.

Studies on highly sensitive colour reactions of noble metals ⅳ. palladium-potassium iodide-rhodamine B-polyvinyl alcohol system

贵金属高灵敏显色反应的研究（Ⅳ）钯（Ⅱ）-碘化钾-罗丹明B-聚乙烯醇体系

The cross-linking reaction of polyvinyl alcohol ( PVA ) adhesive was studied by adding diisocyanate ( TDI ).

本文研究甲苯二异氰酸酯 ( TDI ) 与聚乙烯醇(PVA ) 胶水的交联反应.

Polyvinyl alcohol ( PVA) in the 8 ≤ pH ≤ 12 aqueous solution has the effect solubilizing the cupric hydroxide and making a red shift of its absorption spectrum. It was as a consequence of inclusion-forming substance composed of PVA with cupric hydroxide.

在8≤pH≤12水溶液中的PVA具有使初生态氢氧化铜增溶和吸收光谱红移的作用，这是它们形成包合物的结果。

Selectie deliery of substances including gelfoam particles, polyvinyl alcohol , and stainless steel coils achieethe easel.

选择性栓塞物包括明胶海绵颗粒 、 聚乙烯醇和不锈钢螺圈.

Preparation of Molecular Imprinting Polymer on Crosslinked Polyvinyl Alcohol Microspheres for Cholic Acid and Research of Specific Binding Property

以交联聚乙烯醇微球为基质的胆酸表面分子印迹材料的制备及其分子识别性能的研究

Compared to the unmodified polyvinyl alcohol, it shows better thickening effect and salt resistance

5%改性聚乙烯醇溶液的粘度可达16－0Pa·s，较未改性的聚乙烯醇增稠效果更好，耐盐性更佳

The compression toughness index and load-bearing capacity coefficient of steel confined polyvinyl alcohol fiber reinforced cementitious composites are far more than steel confined ordinary concrete, when fiber volume contents reach 2%.

4.2%纤维体积掺量的钢筋约束水泥基复合材料的压缩韧度指数和承载能力变化系数要明显大于钢筋约束普通混凝土。