The degradations of polystyrene(PS) and the mixture of PS/polypropylene (PP) in supercritical water were studied in this article.
对聚苯乙烯（PS）和聚苯乙烯（PS）与聚丙烯（PP）的混合塑料进行了超临界水降解实验。
The results show that PS and PS/PP can be degraded into oily product in supercritical water.
实验结果显示，超临界水可将PS及PS/PP混合塑料降解为液态油状物。
Mixing modified agents, antioxidant, optical stabilizer, the special resin for water-supply pipes with pp C4220 as the base resin is developed.
以聚丙烯c 4220为基础树脂，加入适量改性剂、抗氧剂、光稳定剂，研制开发了给水管材专用料。
The condenser will be supplied with perforated water trays from pp, for the distribution of the recycled mother liquor.
该冷凝器将配备由PP(聚丙烯)制成的多孔水板(筛板)，用于循环母液的分配。
Based on the engineering practice analysis is made on the performance, advantages and disadvantages of this new-type construction water tube "PP-R", and provided the solutions as well.
从工程实际出发，分析了新型建筑水管PP—R管的性能、优点和缺点，根据实践经验对使用中可能出现的问题给予细致地分析，指出解决问题方法。
Based on polymer surface modification and roughening method, the PP surface wettability against water was improved significantly. Film-forming ratio was increased from about 40% to 95%.
利用聚合物表面改性和表面粗糙方法，大幅改善了PP表面对水的润湿性，成膜率从约40%提高到约95%。
Not easily broken, pool with PP material, to ensure your health drinking water.
不易破裂，分水池采用P P料，保证您的饮水健康。
A new method, named projection pursuit (PP) model is presented in this paper to optimize choice of water resources engineering schemes.
提出了水资源工程方案优选的投影寻踪(PP)模型的新方法。
PP-R plastic water supply pipe solves the problem of pipe water quality, and worths popularization from both in economy and technology.
塑料给水管材解决了管道的水质问题，从经济技术角度来讲十分可行，值得推广。
The article introduced the producing technology of the durable water-repellent PP/PE heat-adhesive nonwoven fabric and tested its property of durable water repellency.
介绍了耐久型拒水PP/PE热粘合非织造布的生产加工工艺，并对其拒水性能和拒水耐久性进行了测试。
The result showed that the cooling water temperature had a crucial role on the crystallization, morphology and tensile strength of PP films.
结果表明：冷却水温度变化对生产pp薄膜的结晶、形态和拉伸性能有很大影响。
Special design for sizing and cooling system by using film and water ring to cool HDPE (PP, ABS) material, which can fit for the requirement of HDPE (PP, ABS).
采用特殊设计的冷却和定径系统，使用水循环冷却HDPE (PP,ABS)原料，适合以上原料的冷却。
The invention relates to a while random copolymerization polypropylene (PP-R) light resistant pipe which comprises a white (PP-R) water pipe.
本发明涉及一种白色无规共聚聚丙烯阻光管。
Specialized in PP-R Water Supply Pipes and pipe fittings.
专业生产给水用PP—R管材、管件、 土耳其皮尔萨管。
Specialized in PP-R Water Supply Pipes and pipe fittings.
专业生产给水用PP—R管材、管件、 土耳其皮尔萨管。
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