It also describes the properties and applications of polypropylene fibre.
并介绍了聚丙烯纤维的性能和应用。
The preparation and purification process of polypropylene glycol was studied.
本文研究了聚丙二醇的合成和精制方法。
Objective: To establish a mensuration for consistency of polypropylene bottle.
目的：探讨聚丙烯塑料瓶的密度测定法。
The efficiency of cross-linking of polypropylene increased by irradiation invacuum.
真空中辐照时则能使聚丙烯的交联效率增加。
Research on the application of polypropylene solid phase graft copolymer was reviewed.
综述了聚丙烯固相接枝物的应用研究进展。
The hydroscopicity of polypropylene nonwoven fabric is remarkably raised after grafting.
接枝后的聚丙烯非织造布吸湿性明显提高。
Isotacticity is one of the important index for quality control of polypropylene production.
等规度是聚丙烯生产中质量控制的重要指标之一。
Mechanism for effects of polypropylene fiber on crack resistance of concrete was also discussed.
同时，探讨了聚丙烯纤维对混凝土抗裂性能影响的机理。
Lastly, economical and effectual content of polypropylene-fiber was found by analyzing test results.
通过对试验结果的分析研究，笔者提出了经济有效的聚丙烯纤维掺量。
This chair is created by heating and pressing a seat-shaped former into a ball of polypropylene rope.
这张椅子是将尼龙绳卷成一个球状，然后用一个具有坐垫形状的模具加热后压制而成的。
In this paper, the property, application and preparation of polypropylene pipe are briefly introduced.
叙述了聚丙烯管材的性能、应用及其研制情况。
The properties of polypropylene(PP) by equal channel angular extrusion(ECAE) processing were investigated.
研究了模压成型聚丙烯（PP）经等通道转角挤压（ECAE）加工后的性能。
For many advantages of polypropylene(PP), so it is become the best part material for auto in recent years.
聚丙烯（PP）由于具有价格低、原材料丰富、力学均衡性好、耐化学腐蚀等特点，近年来成为最热门的汽车零部件材料。
The effect of some organic phosphates on the dynamic mechanical behavior of polypropylene (PP) was studied.
研究了有机磷酸酯成核剂对聚丙烯(PP)动态力学行为的影响。
The market situation and the basic characteristics of polypropylene hot-water pipe was discussed in this paper.
本文论述了聚丙烯热水管的市场状况及基本性能，并介绍了聚丙烯热水管的开发情况。
The upgrading of polypropylene catalyst and research conditions of domestic polypropylene catalyst are introduced.
文章介绍了聚丙烯催化剂的更新换代，国内聚丙烯催化剂的研究情况。
This article describes the aging reasons and phenomena of polypropylene woven sack without adding anti-aging agent.
阐述了未添加抗老化剂的聚丙烯编织袋的老化原因及现象。
High melt strength polypropylene (HMSPP) is an important product of polypropylene modification with wide application.
高熔体强度聚丙烯(H MSPP)是聚丙烯的一种重要改性产品，具有广泛的用途。
The quality of polypropylene meets customerment, and consumption of raw material is far less than using CS-1 catalyst.
聚丙烯产品指标满足用户需要的同时，原料消耗大大低于使用CS - 1型催化剂；
They also produce "hybrid" resins of polypropylene that are stronger and more durable, for use in cars or children's toys.
他们还生产聚丙烯“混合”树脂。这种产品更坚固耐用，适用于汽车或儿童玩具。
It also put forwards to the construction method of polypropylene fiber concrete and a few typical cases of its application.
简要介绍了聚丙烯纤维混凝土的施工方法以及若干国内外典型的应用实例。
The influence of magnetizing treatment of solution on its wettability on the surface of polypropylene packing was investigated.
研究了磁化处理对溶液在聚丙烯填料表面润湿性能的影响。
Introduces properties of polypropylene short fiber for building and improvement in concrete properties when added into the concrete.
介绍了建筑用聚丙烯短纤维的性能以及将其掺用在混凝土后对混凝土性能的改善作用。
This paper is analysis of complex control loop and sequential control for equipment, combine characteristics of polypropylene process.
结合聚丙烯工艺过程的特点，对装置中的复杂控制回路及顺序控制进行分析。
In this paper, the recent developments of modified and dyeing of polypropylene fibers were reviewed, and its forecast have been discussed.
本文对聚丙烯纤维的改性及染色技术近期进展作了综述，并对其发展前景进行了预测。
Finally, the paper investigates how the volume content of polypropylene fibers affects the fracture parameters of high-volume fly ash concrete.
本文最后研究了聚丙烯纤维的体积含量对大掺量粉煤灰混凝土断裂参数的影响。
No. All 3m disposable respirators have filter media made from polypropylene and coverings made from a combination of polypropylene and polyester.
不。3m所有一次性防护口罩的过滤材料都是聚丙烯材质，表面的保护层是聚丙烯和聚酯的复合材料。
This paper introduces the mixing ratio design, construction, technical performance and application of polypropylene high-performance fiber concrete.
介绍聚丙烯高性能纤维混凝土的配合比设计、施工、技术性能及应用情况。
The surface of polypropylene microporous membranes was activated by the graft polymerization of methyl methacrylate initiated with ultraviolet-photo.
通过紫外光引发甲基丙烯酸甲酯的接枝聚合，在聚丙烯膜表面引入了反应性基团酯基。
By means of optimizing seal construction and packing material, the shaft seal technique of polypropylene polymerizer in this plant are deeply researched.
从填料密封结构的优化、填料的优选对本厂聚丙烯聚合釜轴封技术进行了深入的研究。
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