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40金币求修改一段英文，先谢谢！
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请大家帮忙修改！ 中英文对照如下，以中文章为参考！英文感觉写的不好！谢谢！在线等！ 虽然PDA型均聚酰亚胺PI薄膜的拉伸强度（257.86 Mpa）和模量（2.20 Gpa）分别是CDA型均聚聚酰亚胺PI薄膜的2.4倍和1.6倍，但是，其延伸率却比CDA型均聚聚酰亚胺PI1薄膜要小，而共聚物薄膜则很好地综合了两种均聚物的机械性能优点。 The elongation value of PDA-type homo-PI film was lower than that of CDA-type one, whereas the tensile strength, 257.86 MPa, and modulus, 2.20 GPa were 2.4 and 1.6 times as those of ODA-type one, respectively.。。。。。。 [ Last edited by yongbinz on 2010-11-8 at 21:56 ] |
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2楼2010-11-08 22:03:44
yongbinz(金币+10):谢谢您的帮助！ 2010-11-10 12:37:56
| Although the tensile strength (257.86 Mpa) and modulus (2.20 GPa) of the PDA-type homo-PI film are 2.4 and 1.6 times of those of the CDA-type one, respectively, its elongation value is lower than that of the CDA-type one. While the copolymer film well integrates the advantages of the two types of homopolyer in mechanical Properties . |
3楼2010-11-08 22:28:22
yongbinz(金币+10, 翻译EPI+1):谢谢您的帮助！ 2010-11-10 12:37:34
yongbinz(金币+10):谢谢！ 2010-11-18 20:04:27
yongbinz(金币+10):谢谢！ 2010-11-18 20:04:27
| Although the tensile strength (257.86 Mpa) and modulus (2.20 GPa) of the PDA-type homo-PI film are 2.4 and 1.6 times of those of the CDA-type one, respectively,the elongation value of the former is lower than that of the later. Furthermore, the copolymer film of PDA and CDA could integrate the excellent mechanical properties of those homo-polymers. |
4楼2010-11-10 08:59:46