查询词典 vinyl

The alkaline composite polymer solid electrolyte with good properties was prepared by the solution cast method with poly vinyl alcohol,carboxyl methyl cellulose and KOH as raw materials.

采用聚乙烯醇、羧甲基纤维素和KOH为原料，通过溶液浇铸方法制备了性能良好的碱性固态聚合物电解质。

Loading oil stained with ball-point pen if the wool can be placed at the stain should first three vinyl chloride and alcohol mixed solution soak for 10 minutes, while continuing to brush lightly brush with a brush, wait until most of greasy dissolved, and then wash cold soapy water or neutral detergent.

载入中石油染色圆珠笔如羊毛，可在污渍应该先三氯乙烯和酒精（即2点58分比）的混合溶液浸泡10分钟，而不同时继续刷轻轻刷一刷，等待直到大部分油腻溶解，然后洗冷水肥皂水或中性清洁剂。

On NaZSM-5, acetylene reacts with the water adsorbed on Na^＋ sites to form vinyl alcohol bound to the cations in zeolite through static attraction, corresponding to the weakly adsorbed species.

乙炔与HZSM-5中B酸中心上的水作用形成乙烯醇，后者在升温时变为碳正离子结合在分子筛的Al-O^--Si上构成强吸附物种。

The factors A and the rate constants are given at temperature range of 200-1200 K.The results in-dicate that the loss of aβ-hydrogen from 2-hydroxyethyl radical to yield vinyl alcohol and that a 1,3-hydrogen shift to form ethoxy radical have close A factors and rate constants.

用量子化学结果和Eyring过渡态理论计算了200－1200K温度范围内，标题反应的A因子和速度常数，结果表明，2－羟乙基脱去β－H生成乙烯醇与其经［1，3］重排生成乙氧基有相近的A因子和速度常数，且常温下速度较慢，反应难以进行。

Scrap material having both a thermoplastic polyurethane and a copolymer of ethylene and vinyl alcohol is recycled by blending the scrap material into a thermoplastic polyurethane composition and preparing a barrier membrane from the blended material.

通过将废料共混入热塑性聚氨酯组合物，并从该共混的材料制备屏蔽隔膜，从而使含有热塑性聚氨酯和乙烯与乙烯醇共聚物的废料再生。

Ethylene/vinyl alcohol copolymer ; polyamide 6; compatilizer ; hydrogen bond

共聚物；聚酰胺6；增容剂；氢键

Tissue engineered scaffold ; Recombinant spider silk protein ; Arg-Gly-Asp Poly vinyl alcohol ; Cytocompatibil ity

组织工程支架重组蛛丝蛋白；精氨酸-甘氨酸-天冬氨酸；聚乙烯醇；细胞相容性

METHODS: Nano-powder of 3Y-TZP was mixed with 7% poly vinyl alcohol, dry-pressed, prepared into disc and strip samples and sintered at certain temperature.

纳米3Y-TZP粉末与浓度7%聚乙烯醇混合，搅拌均匀后造粒，双向干压成型，制备圆盘及长条状试件，常压烧结。

To understand the reaction of tetrakis hydroxymethyl phosphonium chloride with collagen protein,the interactions of THPC with polycaprolactam,poly vinyl alcohol or ethylenediamine which were used as the model substances of amido,hydroxy and amino groups of collagen protein were examed.

通过研究THPC与聚己内酰胺、聚乙烯醇、乙二胺的酰胺基、羟基、氨基的反应，间接证明THPC主要与胶原蛋白的氨基结合，可与氨基以n∶n=1.0∶2.2形成交联，THPC与羟基和酰胺基均有少量结合，并在pH=8.0时结合量最高。

The specific properties of materials, such as the palate adhesion, dynamic cruor, anti-bacterial and the degradability of lysozyme, were studied, which provide valuable data for further application. The main creative ideas are listed as follows:(1) The water-retention chitosan/poly vinyl alcohol blend fiber was obtained by coagulating in 10％ NaOH/ethanol solution, and the blend and crosslink due to GA can enhance the mechanical properties of fiber;(2) The controlled degradable chitosan/gelatin blend fiber was obtained by solution filature, and the mechanical properties were improved;(3) The N-acylchitosan with the different degree of substitution were successfully prepared, and the relationship between structure and properties was estabilished;(4) By a new solvent system of 6％ NaOH/4％ urea for cellulose, the blood anti-coagulant function films were prepared by blending cellulose with chitin;(5) In the same solvent system above mentioned, the anti-bacterial blend films based on cellulose and carboxymethyl-chitosan were prepared, and the relationship of DS and the anti-bacterial property was concluded;(6) The controlled degradable chitosan films was obtained by the chemical crosslink.

本论文的主要创新点：（1）以NaOH水溶液／无水乙醇为凝固液，采用溶液纺丝法制备出保水性壳聚糖／聚乙烯醇纤维，共混和戊二醛交联极大提高了壳聚糖纤维力学性能；（2）用壳聚糖和明胶共混，以溶液纺丝法制备出可控降解的壳聚糖／明胶纤维，并大幅度提高了壳聚糖共混纤维的干、湿态抗张强度；（3）确立了不同取代度N-酰基壳聚糖的合成方法及其膜的结构与性能的关系；（4）利用纤维素新溶剂6％NaOH／4％尿素制备出抗凝血性纤维素／甲壳素共混膜；（5）利用上述纤维素新溶剂制备出抗菌性纤维素／羧甲基壳聚糖共混膜，揭示了羧甲基壳聚糖取代度与抗菌性能的关系；（6）制备出可控降解壳聚糖交联膜。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。