PVA
美 
英
- na.polyvinyl acetate 聚醋酸乙烯酯
- 网络聚乙烯醇(poly vinyl alcohol)；维纶；聚醋酸乙烯酯(polyvinylacetate)
英汉解释
na. | 1. polyvinyl acetate 聚醋酸乙烯酯 |
英英解释
例句
vinylon is a synthetic fiber spun from pva . its properties are similar to that of cotton . compared with cotton , vinyl o . .
维尼纶是以聚乙烯醇为原料纺成的合成纤维，其性能与棉花相似，与棉花相比又有强伸度大耐磨性好吸湿性强的优点。
Take the time of the first separation and sinker rate as property indexes, compatibility of phosphate starch and PVA was analyzed.
以初显分离时间和沉降率为性能指标，分析了磷酸酯（香芋）淀粉与PVA的混溶性。
With the more part of the new poly-acrylic acid size to replace PVA in the mixed size, the permeability of the slurry would be better.
随着混合浆料中新型聚丙烯酸浆料取代PVA取代比例的增大，浆液渗透性变好。
but the surface of carrageenan-PVA blend fiber is smooth, and the strength of fibers decreases slightly.
而卡拉胶-PVA共混纤维表面比较光滑，但是强度略有下降。
To introduce a method for the determination of the alcoholysis degree of PVA at extra-low alcoholysis by headspace gas chromatography.
介绍了一种通过顶空气相色谱技术测定超低醇解度聚乙烯醇（PVA）醇解度的方法。
PVA grinding wheels must be trimmed by diamond Trimmer , ceramics abrasive wheels or resin abrasive Wheels before being used .
砂轮须用金刚石修整器、陶瓷砂轮、树脂砂轮进行修整后使用。
Results The adhesion force and cohesive strength could be affected by the contents of sodium polyacrylate, PVA, Gelatin.
结果配方中各因素对粘着力、剥离强度的作用大小依次为聚丙烯酸钠、聚乙烯醇、明胶。
Based on these results, PVA can be applied in a diversity of areas including tissue engineering, biomimetics, and cellular micropatterning.
基于这些结果，聚乙烯醇可应用于各种不同的领域，包括组织工程，仿生，和细胞微。
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矽氧烷。
Under this condition, the film of PVA starch displayed a good biodegradable and had a good compatibility.
在最优化工艺条件下，制得了相容性较好且具有良好生物降解性能的PVA-淀粉塑料薄膜。
Experimental results indicated that: The extrudate's expansion diameter decreased with increasing PVA ratio.
实验结果显示：产品之膨发直径随PVA添加比例增加而降低。
pva has been used in australia for many years.
pva已经在澳大利亚使用多年了。
Cyanuric acid, N, N'-methylene-bis-acrylamide and hexamethylene tetramine have sensitization effect for radiation crosslinking of PVA.
三聚氰酸、N，N’-亚甲基双丙烯酰胺和六次甲基四胺等对PVA水溶液的辐射交联有敏化作用，可使凝胶剂量降低。
The immobilized effects of three materials, gelatin, sodium alginate and PVA were evaluated for immobilizing sheathed bacteria.
研究了以明胶、海藻酸钠和PVA三种材料包埋鞘细菌，制备固定化生物吸附剂的效果。
The modified PVA coating process was studied by the crosslinking reaction of the active amino resin and PVA.
利用具备活性的胺基树脂与聚乙烯醇进行交联反应，对改性聚乙烯醇涂布工艺进行了研究。
The PVA is meant to create a world cup stadium atmosphere for those who do not to afford to buy world cup tickets.
公共观赏区将可提供给无法负担世足赛门票的人一个如同世界杯现场的气氛。
Preferably, a cationic PVA is adhered to a reverse osmosis membrane and then an anionic PVA is adhered thereto.
优选在反渗透膜上附着阳离子性PVA之后，附着阴离子性PVA。
The elastic ratio and stress relaxation speed rate increased with the increasing of the content of cocoon fiber.
PVA-蚕丝复合水凝胶的弹性模量和应力松弛速率均随着蚕丝添加量的增高而增高；
The production technologies of PVA with ultrahigh relative molecular weight mass and high stereo-tacticity were introduced.
介绍了超高相对分子质量和高立构规整度的PVA制备方法；
Modification of PVA and blown film technique for it were studied.
研究了聚乙烯醇（PVA）改性及吹膜技术。
Compared with PVA, PVP presented stronger interaction with water. Glycerol weakened the interaction between PVP and water.
与PVA相比，PVP能与水产生更大的作用力，而甘油会削弱PVP和水之间的相互作用。
To develop new process technology and produce widely applied PVA film is an international issue.
开发新的生产工艺、制备性能广泛的PVA薄膜是目前国内外共同的目标。
Brush PVA glue over a space slightly larger than one square, then stick down your first wallpaper square.
把PVA胶轻轻的涂刷在一块比剪裁好的方块略大的区域上，然后贴下你的第一块壁纸方块。
With increasing PVA concentration, surface hydrophilicity is increased.
增加PVA质量分数，改性表面亲水性增加。
The fiber and the PVA have a good combining nature, and the addition of the cocoon fiber enhance the direction of PVA structure.
丝胶与聚乙烯醇有良好的结合性，蚕丝的加入使PVA基体结构的方向性增强。
The influences of PVA content and cross linking agent on solvent(resistance), peeling strength and structure were also studied.
另外，实验也考查了PVA含量、交联剂尿素的用量对涂膜耐溶剂性、剥离强度以及结构的影响。
The sedan technology which vary, as print, drying process is concerned, the most simple PS, PVA, multilayer metal process more complicated.
这些印版的制版工艺各不相同，息为晒版工艺来说，晒制PS版最为单一，PVA版、众层金属版工艺较为驳杂。
The solution of collagen-PVA was wet spined with the sodium sulfate as coagulant and collagen-PVA composite fibers were prepared.
在此基础上，以硫酸钠为凝固剂，对胶原-PVA共混溶液进行湿法纺丝，制备了胶原-PVA复合纤维。
Skin moisture content, formation time, drying rate, PVA solution portfolio mask than the combination of PVP solution obtained good results.
皮肤含水率、成膜时间、乾燥速率，PVA组合的面膜溶液都比PVP组合的面膜溶液所得的效果佳。
Polyvinyl alcohol (PVA) is one of the hard-degradable polymer, which is widely used in such as chemical industry and textile industry.
聚乙烯醇（PVA）是一种在纺织和化工行业中广泛使用的难降解的高分子聚合物。
It is found that the amount of the salting agent to be added is reduced by 28% and the PVA recovery rate is as high as 90. 3%.
该法使硫酸钠和硼砂的投加量降低了28%，降低了出水盐类的质量浓度，PVA回收率可达90.
The relationship of cotton hollow yarn tensile strength against PVA content is tested, analyzed and discussed.
并对棉型中空纱的强力与PVA含量的关系进行了试验、分析与讨论。
The mechanism of reaction between PVA and dialdehyde starch was discussed and the factors on reaction were investigated also.
讨论了双醛淀粉的改性机理，并对其影响因素进行了探讨。
increasing of PVA content can both increase the tensile strength and the elongation at break of the material.
而增加了PVA的含量，材料抗拉强度和断裂伸长率均呈增长趋势。
In this paper, we have used halogen-free flame retardants for PVA and studied theirs highly flame-retardant efficiency.
本研究针对无卤阻燃聚乙烯醇的高效化研究相关内容开展工作。
Mechanical and optical properties of PVA blown film with different rates of water contents prepared by wet process were investigated.
以增湿法制备了PVA吹塑薄膜，研究了含水率对薄膜力学性能及光学性能的影响。
Although PVA size has excellent properties, it causes serious pollution to the environment.
PVA浆料虽是一种性能优良的浆料，但其不易生物降解，对环境污染大。
The microbial and oxidative degradations of PVA were studied using the gel permeation chromatography (GPC) and UV-spectrophotometer.
采用凝胶色谱法（GPC）和紫外分光光度法（UV）研究了聚乙烯醇（PVA）微生物降解和化学氧化降解效果。
Through controls the reaction conditions, the high degree PVA with different range of degree is obtained.
通过反应条件的控制，可制得不同聚合度范围的高相对分子质量的聚乙烯醇。
KM PVA Wipers are developed especially for wet cleaning applications in the controlled environment.
PVA无尘布是专门用于控制环境中的湿擦拭。
