介绍了以四聚丙烯烷基酚为主要原料，合成高碱值硫化烷基钙的工艺过程。
The synthesis technology of high basic value calcium sulfurized alkyl Phenate using dodecyl phenol as one of main materials were introduced in this paper.
研究以L酸和络合剂A配制的络合物为催化剂，用于四聚丙烯齐聚制备二十四碳烯。
The results on synthesis of tetracosene (C 24 olefins)by dimerization with a complex composed of Lewis acid (L) and complexing agent A as catalyst are reported.
它介绍了丙烯酸、丙烯酸脂、苯乙烯四元共聚合成醇溶性聚丙烯酸脂类的方法。
It introduces how to synthesize acrylic acid, acrylate and phenylethene quadripolymer into alcohol-soluble acrylic resin.
为了保证低泄漏电流和低介电吸收，反馈电容器应当由合适的介电材料(如聚苯乙烯、聚丙烯或聚四氟乙烯)制成。
To ensure low leakage current and low dielectric absorption, the feed back capacitor should be made of a suitable dielectric material such as poly styrene, polypropylene, or Teflon.
塑料制品，有很好的耐腐蚀性能，使用也较普遍。品种有聚乙烯、聚丙烯、软聚氯乙烯、聚四氟乙烯、尼龙66、尼龙1010等。
Plastic products, have a good corrosion resistance, the more common use. Varieties are polyethylene, polypropylene, soft PVC, PTFE, nylon 66, nylon, etc. 1010.
这种新的聚丙烯，经济器是单壁扁平帽和符合人体工程学的执行机构，在20毫升，30毫升，四〇毫升和50毫升可用大小。
This new polypropylene, economical dispenser is single walled, with a flat cap and ergonomic actuator, available in 20ml, 30ml, 40ml and 50ml sizes.
茂金属聚丙烯结构独特，能生产细特纤维和轻质非织造织物。目前已有四种牌号的产品推向市场。
The special melecular properties of Metocene can he used to produce finer fibers and lighter nonwovens. At present four products have been pushed ahead in an intensive market development.
品种有聚乙烯、聚丙烯、软聚氯乙烯、聚四氟乙烯、尼龙66、尼龙1010等。
Varieties are polyethylene, polypropylene, soft PVC, PTFE, nylon 66, nylon, etc. 1010.
在该系列泵的构造主要是聚丙烯，而同时使用先进的抗腐蚀的陶瓷，聚四氟乙烯，氟橡胶生产和抗部分。
The pumps in this series are constructed mainly with polypropylene while at the same time using superior corrosion-resistant parts manufactured from ceramics, PTFE, and FKM.
叙述了丙烯酸、丙烯酸脂、苯乙烯四元共聚合成醇溶性聚丙烯酸脂类的方法，并以其为连结料制备柔性凸版油墨。
Introduces how to synthesize acrylic acid, acrylate and phenylethene quadripolymer into alcohol-soluble acrylic resin and use it as a link stuff to prepare flexible relief block printing ink.
叙述了丙烯酸、丙烯酸脂、苯乙烯四元共聚合成醇溶性聚丙烯酸脂类的方法，并以其为连结料制备柔性凸版油墨。
Introduces how to synthesize acrylic acid, acrylate and phenylethene quadripolymer into alcohol-soluble acrylic resin and use it as a link stuff to prepare flexible relief block printing ink.
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