介绍了作为预制直埋保温管保温层的聚氨酯泡沫塑料的特性。
The characteristics of polyurethane foam used as insulating layer of prefabricated directly buried insulating pipe are introduced.
根据聚丙烯塑料的特性，论述了塑料设备成型及焊接制作的工艺特点和最佳工艺参数。
According to the feature of the polypropylene plastics, the technical characteristics and the optimum process parameters in the process of the plastics equipment formation and welding are discussed.
结合塑料的特性，论述了塑料管、塑料门窗、塑料地板、塑料墙纸、塑料住房、塑料屋顶、工程塑料等方面的应用前景，并给建筑行业带来经济效益和社会效。
Plastic door and window, plastic floor, plastic wall paper and engineering plastics, it can bring about economic and social benefits in building industry.
研究人员说这种材料不但比聚苯乙烯泡沫塑料轻100倍，并且还具有“非常高的吸收能量”的特性。
The researchers say the material is 100 times lighter than Styrofoam and has "extraordinarily high energy absorption" properties.
这种性质是蜡、油灰、湿泥土、灰泥和一些金属的特性，但不是一般称为塑料的许多材料的特性。
This property is characteristic of waxes, putty, damp clay, plasters, and some metals, but not of many materials that are generally known as plastics.
详细介绍聚苯乙烯泡沫塑料的工程特性及其在工程中的应用。
The engineering characteristics of expanded polystyrene and its application in engineering are introduced in detail.
介绍了热塑性塑料注射塑料件的熔合缝的形成及其力学特性和影响因素。
The article introduces the knit-lines formation, mechanical behavior and influencing factors for the thermoplastic injection molded parts.
由于材料本身的特性以及复杂的加工条件，塑料注射成型过程加工过程相当复杂。
The process of the injection molding is quite complicated because of the character of the material itself and the complexity of processing conditions.
试验和研究了塑料着色用常用颜料偶氮类，酞菁类及无机颜料对PE着色后的辐照特性。
The color characteristics of colored PE in different radiation dosages, which is colored with azos, phthalocyanines, inorganic pigments respectively, has been studied in this paper.
天纤塑料具有塑料和木材的双重特性，其性能受天纤种类与规格、天纤预处理方法、材料配方及成型加工技术等诸多因素的影响。
The properties of NFP are affected by the sort of natural fiber, the water content of the fiber, the pre treatment method of the fiber, and the composite of NFP.
研究了甘油和木糖醇复合增塑剂对大豆蛋白塑料特性的影响。
Influence of complex plasticizers containing glycerol and xylitol on the soy protein plastics characteristics was studied.
简要介绍了塑料抗静电剂的特性、抗静电机理、使用方法、影响因素和效果评价。
The characteristics, antistatic mechanisms, application method, interfering factors and effect evaluation of antistatic agents for plastics are briefly introduced.
聚苯硫醚是一种具有许多优良特性的工程塑料，其应用十分广泛。
Polyphenylene sulfide is a kind of engineering plastic with many excellent characters, and it 's used widely.
同时根据它独具的特性，在塑料、涂膜剂、可食性薄膜等应用方面作相应的阐述。
At the same time, the application of plastics, film coating, edible film binder and etc, were elaborated correspondingly according to its peculiar natures.
用转矩流变仪测定热固性塑料的热流量和固化特性的试验方法15。
Test Method for Thermal Flow and Cure Properties of Thermosetting Plastics by Torque Rheometer 15.
塑料纬纱管物理力学性能是其质量特性的重要指标。
Physical and mechanical properties of a plastic pirn are important indexes of its quality Characteristics.
对3种不同聚合材料的塑料袋生物降解特性借助BOD数字呼吸仪进行了降解试验。
The biodegradation experiment has been conducted with the aid of BOD digital respirator on plastic bag made by 3 different kinds of polymaterial.
介绍各种塑料添加剂的功能、特性、用途及成型用物料的配制工艺。
This paper introduces the performance, characters, application of plastics additive and plastics compounding process.
介绍了国内建筑中主导给水塑料管管材的产品特性、生产应用、以及市场分析和发展前景。
The products property of water supply plastic pipe, production and application in domestic construction, market analysis and development prospect are introduced.
介绍了开发塑料专用蜡作用机理、主要特性和技术指标以及选用塑料专用蜡的原则和应用实例。
The reason for developing plastic special wax, action mechanism, main characteristics, specification and selective principle of special wax and application were discussed.
实验研究了锅炉烟气在轴流式塑料螺旋板空气预热器中的传热特性。
The heat transfer performance of the boiler gas in a plastic longitudinal flow spiral heat exchanger was investigated experimentally.
介绍了一种高流动性快速固化酚醛注塑料的配方、制备工艺及其成型时间和流动特性。
Formulation, process conditions, curing time and flow behavior of phenolic resin for injection molding with excellent flowability and fast-curing characteristic were described.
根据塑料管材环刚度计算公式绘编成计算图，该图显示出塑料管材的固有特性。
Based on formula of loop stiffness for plastic piping, calculating chart was drawn which showed inherent features of plastic piping.
本文介绍了塑料透镜的特性及其真空镀膜的基本原理；
This paper introduces the properties of plastic lens and the basic principle ofvacuum coating.
本文简介了眼镜镜架和镜片所用塑料的物理、化学性能及特性，并对隐形眼镜的材质、特性及制造方法等也进行了介绍。
This article introduces briefly the Physical and chemical properties of plastics used for the glasses frame and lens, also including the material, character and producing method of hidden glasses.
然而，塑料材料的自有特性和复杂的工艺条件致使注塑成型过程相当复杂。
However, the property of plastic material itself and the complexity of processing conditions make the process of the injection molding quite complicated.
然而，塑料材料的自有特性和复杂的工艺条件致使注塑成型过程相当复杂。
However, the property of plastic material itself and the complexity of processing conditions make the process of the injection molding quite complicated.
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