The defect of extrudate in the extrusion process in the form of melt fracture could only be evidenced in the semisolid state of PP melt.
在挤出过程中，以熔体破裂形式出现的挤出物的缺陷只有在PP熔体处于半固体状态时才能观察到。
The theoretical analysis and experiments all show that the model not only is lower than trigram model in PP (perplexity), but also is superior to trigram model in dependence on test text domain.
理论分析和实验均表明：该模型不仅复杂度低于三元文法模型，而且对测试文本域的依赖性也优于前者。
The results showed the fire retardance of PP was affected not only by flame retarding agent used, but also by melt flow ability of the PP system.
结果表明，PP的阻燃性能不仅受所用阻燃剂的影响外，还与体系的熔体流动性能具有很大关系。
Not only the optical property but also the rigidity of homopolymerized PP is improved by adding nucleating agent, and the processing performance is improved.
成核剂的加入，不但改善了PP的光学性能，而且提高了PP的刚性，在某种程度上改善了其加工性能。
However, in case the content of EP copolymer was controlled at not higher than 10%, then the PP alloy would possess not only the high impact strength but also the flexural module.
若控制合金中乙丙共聚物的含量不超过10%，则可使PP合金材料既具有较高的冲击强度又具有较高的模量。
Rangzhao every day like hunk, bags, folders, phone all of the PP has only one you.
天天嚷着喜欢帅哥，可包包里夹的、手机里存的PP却全部只有你一个。
Besides increasing the catalyst activity, the pre-polymerization can not only raise the bulk density and isotacticity of the PP product, but also significantly diminish the cracking of the PP powders.
预聚除能够提高催化剂的活性外，对提高聚丙烯粉料的表观密度和等规指数、减少聚丙烯颗粒的破碎有显著影响。
The results show that the impact strength of PP/HDPE/SBS ternary blends not only related to the content of SBS but also the content of HDPE. The act of HPDE is similar to SBS in toughening of PP.
研究结果表明，PP三元共混物的冲击韧性除与SBS的含量密切相关外，还与HDPE的含量有关，HDPE起到了与SBS相似的增韧作用。
The results show that the impact strength of PP/HDPE/SBS ternary blends not only related to the content of SBS but also the content of HDPE. The act of HPDE is similar to SBS in toughening of PP.
研究结果表明，PP三元共混物的冲击韧性除与SBS的含量密切相关外，还与HDPE的含量有关，HDPE起到了与SBS相似的增韧作用。
应用推荐