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- The anhydrite caused spherulite size of PP diminishing,the quantity increasing. 硬石膏的加入使得球晶尺寸减小,数量增加。
- At the same time,MB could decrease the spherulite size and the crystallization degree of polypropylene. 结果表明,成核剂MB较好地改善了聚丙烯的力学性能以及熔体流动性能,降低了聚丙烯球晶尺寸。
- With the growth of heat treatment temperature or time, the crystallinity increase and the spherulite size and its distribution has a little change. 热处理温度的提 高或时间的延长均使结晶度逐渐增大，但平均球晶尺寸和球晶分布宽度变化不 大。
- The mechanical properties,spherulite size,melting point and crystallinity of the anhydrite/PP composites and the anhydrite modified by modifer/PP composites were studied. 研究了硬石膏及其表面改性对聚丙烯(PP)复合材料的力学性能、球晶尺寸、熔点和结晶度的影响。
- The results showed that MB could improve the mechanical properties of PP.At the same time, MB could decrease the spherulite size and the crystallization degree of polypropylene. 结果表明，成核剂MB较好地改善了聚丙烯的力学性能以及熔体流动性能，降低了聚丙烯球晶尺寸。
- With the decrease of spherulite size, the crack initiating and extension energy all increase, comprehensive effect make the toughness of marerials increase. 对于单相PP材料，不同工艺条件下其结晶形态结构参量的变化是影响其力 学性能的直接因素，表现在高的结晶度对拉伸强度有利而对冲击性能不利。
- The methods of decreasing spherulite size of polypropylene, such as adding nucleating agents, blending with other polymers and temperature control were introduced. 介绍了对聚丙烯进行结晶细化改性的方法,如加成核剂、与高分子材料共混以及控制温度等。
- They differ in size but not in kind. 这些东西的区别只是大小不同而实质一样。
- And the mid- size car have a lot more legroom. 而且中型车的腿部伸展空间较为宽敞。
- Keywords polypropylene;anhydrite;modify;spherulite size;melting point;crystallinity; 聚丙烯;硬石膏;改性;球晶尺寸;熔点;结晶度;
- He cut the iron pole to the size he wanted. 他把铁杆锯成他需要的尺寸。
- What is the exact size of the room? 这个房间的确切面积是多少？
- Keywords Tetrafluoroethylene - perfluoropropylvinyl ether copolymers;Unstable end - groups;Spherulite size;Process of polymerization; 可熔性聚四氟乙烯;不稳定端基;球晶尺寸;聚合工艺;
- He ranged the books according to size. 他照大小顺序排列这些书。
- Sorry, we've sold out of shirts in your size. 对不起，你这样尺寸的衬衣都卖完了。
- Would you like to try this jacket on for size, sir? 先生，你要不要试穿一下这件夹克衫，看看尺寸是否合适？
- He wants some brown shoes with lace, size nine. 他想要棕色的第带鞋，9号的。
- The company doubled its size in nine years. 9年来这家公司的规模扩大了一倍。
- The motels vary in size and comfort. 汽车旅馆的大小和舒适程度各不相同。
