“polyurethane resin”的概念、定义、翻译、参考文献-科学参考

单词	polyurethane resin
释义	polyurethane resin Encyclopedia 工学热固性树脂释 polyurethane resin聚氨酯树脂由多异氰酸酯与大分子多元醇，以及扩链剂（小分子多元醇或胺）等逐步加成聚合而成，主链上含有─HNCOO─或─HNCONH─重复链节，由具有模块化结构特征的硬段和软段组成。又称聚氨酯材料。全称聚氨基甲酸酯。
随便看	strict contact strict-contact manifold strict convexity strict decreasing strict definition strict derivative strict deterministic language strict differentiability strict epimorphism strict equality strict equivalence strict ergodicity strict extension strict extremum strict graph strict hyperbolicity strict hyperbolic system strict implication strict implication calculus strict inclusion strict incompatibility strict increasing strict inductive limit strict inequality striction

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。