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下面是我文章中的句子，觉得写得很不地道，可能还有语法错误，有时间你能帮我修改下吗？谢谢！ 1.However, as compared with the common polymers, the poorer mechanical properties of B, especially the lower impact strength, and the higher cost, restrict its application in many industrial fields. 然而，与通用聚合物相比，B较差的力学性能，特别是它较低的抗冲强度，和它较高的成本限制了其在许多工业领域的应用。 2.Though the crystallization behavior of B and its random copolymers has been extensively studied, the crystallization behavior of B based block copolymers has not been well understood. 尽管PBS和它的无规共聚物的结晶行为已被广泛研究，但是人们对基于PBS的嵌段共聚物的结晶行为的认识还不是很充分。 3.This seemingly contrary result may be rationalized by 这看似矛盾的结论可以解释为 4.The results of G2 agree well with the results of G1 as depicted in Fig.4. G2 的结果与Fig.4中的等温结晶的结果吻合的很好。 5．Similar to the reasons of retarded effect of PPSu on G1, the decreased G2 by the incorporation of PPS is also due to the exclusion of PPSu segment, rigidity of PPSu segment. What’s more, as indicated in Fig.6, G2 increases with chain length of B segment. It also interpreted by the reasons for the influence of chain length of B segment on G1, i.e., the difference in ΔT, number of urethane groups and allophanate crosslinking points. 与PPSu对G1（结晶速率）的抑制的原因相同，PPSu 的引入使G2下降的原因也是因为PPS链段的排出，PPS链段的刚性。而且，如Fig.6所示，G2随着B链段长度的增加而增加。这也可以PB链段长度对G1的影响的原因来解释，也就是ΔT，聚氨酯基团和脲基甲酸酯交联点数目的不同。 |
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suifengpig
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hubeizlc(金币+4,VIP+0):阁下英语真的很棒，非常感谢慷慨相助！ 5-25 09:06
hubeizlc(金币+4,VIP+0):阁下英语真的很棒，非常感谢慷慨相助！ 5-25 09:06
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仅供参考： 1. However, B shows poorer impact strenght and has higher cost than most of the conventional polymers, which could restrict its industrial application. 2. Though the crystallization behaivor of B homopolymer and its random copolymers has been extensively studied, the crystallization behavior of copolymers of B has been unexplored. 3.This seemingly contrary result may account for 4.The results of G2 agree well with those of G1, as depicted in Fig.4. |
3楼2009-05-23 14:08:58
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