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[求助]
fast physical and mechanical property development翻译
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| 写毕业论文急求fast physical and mechanical property development怎么翻译？是说热固性树脂的物理机械性能形成很快吧？术语怎么翻译？多谢大家 |
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fast physical and mechanical properties development这是一个小标题，下面的内容为：Condensation polymers such as epoxy resins develop physical and mechanical properties slowly at low degree of polymerization and require a high degree of convesation to achieve good properties.Thus, the difference in degree of conversation by a few percent near the end of polymerization exhibits far more significant changes in mechanical properties than 10-20% increase in conversation aroud 50% degree of conversation. This is cintrast to addition polymerization where fast build-up of melecular weight at an early stage of polymerization is observed. Polybenzoxazine develop their glass transition temperature and other mechanical properties quickly as the polymerization proceeds. For BA-a benzoxazine, 80% of the Tg development takes place at 50% conversation. |
4楼2012-03-29 08:51:55
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