耐光的

Acrylate polymer emulsions are widely used in the field of optics, physic, biology and chemical engineering etc.

由于丙烯酸酯类聚合物乳液具有优良的耐光性、耐酸碱性和耐腐蚀性，而广泛应用于光学、医学、电子、化工等许多领域。

The improvement of the wash and light fastness of the dyed textiles was investigated.

染料的耐洗性和耐光性的提高已被研究。

However, common polyacrylate emulsion has some disadvantages such as poor water-resistance, poor film-forming in low temperature, becoming pastiness in high temperature, polluting environment with emulsifier and so on.

由于聚丙烯酸酯乳液具有耐热、耐光和耐老化等优点在涂料工业中得到了广泛的应用，但普通的聚丙烯酸酯乳液还存在耐水性差、低温下不易成膜、高温发粘以及含乳化剂的废液会对环境造成污染等缺点，因此，本文结合无皂乳液聚合和核壳乳液聚合技术，合成了聚丙烯酸丁酯/丙烯酸钠齐聚物，并以此为乳化剂，采用种子半连续法合成了以聚丙烯酸丁酯为核，聚甲基丙烯酸甲酯-苯乙烯为壳的无皂核壳聚丙烯酸酯乳液。

The results showed: the variance analysis of colour parameters among different species eucalypt wood are significant and the color index in heartwood is higher than that in sapwood.

摘 要：以五种桉树人工林木材为研究材料，用测色仪和氙衰减仪测试了五种桉树木材的颜色和耐光性，比较了这些桉树木材的颜色参数，结果表明：不同种类桉树木材材色参数之间差异显著，桉木心材部分的色品指数和色饱和度高于边材；桉木的耐光性随氙灯照射时间的增加而逐渐变差。

The material can be used as ultraviolet light absorbent as polypropylene, polycarbonate, vinyl cyanide-butadiene styrol copolymer and polyurethane.

该超分子插层结构材料可作为紫外光吸收剂用作如聚丙烯、聚碳酸酯、丙烯氰-丁二烯-苯乙烯共聚物以及聚氨酯等易光氧降解树脂的耐光老化添加剂。

Di-step mats formed by the single-chip can be placed arbitrarily in accordance with the requirements, the installation of floor mats, the product has good light-fastness and washability of.

迪步地垫由单片组成，可根据要求任意安放、安装地垫，产品具有良好的耐光性和耐洗性。

Under strong light intensity at noon, the functional photosystem Ⅱ reaction centers were decreased, which resulted in conspicuous photoinhibition in rice varieties.

进一步系统研究上述品种在孕穗期连体倒二叶片功能叶）的荧光参数的日变化，并解析了它们与耐光氧化和耐荫特性的关系。

Their products involved in the production of chlorination of rutile titanium dioxide; a variety of phthalocyanine blue and green series; temperature chrome yellow series; lightfastness heat of lead chrome yellow series (Medium chrome yellow, lemon yellow, light yellow, dark yellow, chromium molybdenum red); Permanent Red F4R, light red; organic yellow pulp series, as well as aluminum and other high-color, mid-range color and thermal modeling of solid acrylic resin.

其产品涉及氯化法生产的金红石型钛白粉；各种酞菁蓝、绿系列；耐高温铬黄系列；耐光耐热铅铬黄系列（中铬黄、柠檬黄、浅黄、深黄、钼铬红）；永固红F4R，耐晒红；有机黄系列以及铝浆等各种色系的高，中档颜料和热塑型固体丙烯酸树脂。

The light compensation point and the light saturation point were both very low, which indicates that S. octophylla is a shade tolerant plant.

其光饱和点和光补偿点均较低，表明它是一种较耐荫的植物。

Very fine water dispersion of an aliphatic polyurethane/acrylic copolymer specifically developed to formulate water based clear varnish for parquet flooring with excellent U.V.

超精细脂肪族聚氨酯与丙烯酸酯共聚物分散体，特别研发用于木地板清漆配方，具有优越的耐光性、耐水性和耐污染性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐