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铁虫 (著名写手)

应助: 5 (幼儿园)
金币: 3373.1
散金: 126
红花: 8
帖子: 1868
在线: 315.7小时
虫号: 1857713
注册: 2012-06-13
性别: GG
专业: 结构工程

[求助] 土木和聚氨酯跨学科的论文，关于聚氨酯审稿意见请专业人士帮忙看看？

The author must indicate which type of polyol was used (for example polyether polyol or polyester polyol and the flexible one or rigid one) and what is the chemical composition of material? And each of them have a multi grade so which grade are used in this study? beside the commercial name? The PU material can be produced in a multi series of densities based on polymers raw material components and mixing ratios.

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