以下为句子列表：
英文: Abstract: The preparation conditions of unsaturated polyester (UP) resins modified by PET were introduced in this paper.The copolymerization mechanisms of the synthesis of UP resins from cis-and trans-anhydride were researched.The relationship between the
中文: 文摘:本文研究了由聚酯改性合成不饱和聚酯树脂的反应机理和工艺条件，讨论了改性树脂反应活性与不饱和酸结构之间的关系，解释了顺、反式双键结构对改性树脂固化放热特性和反应活性不同的原因。
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英文: Poly (propylene carbonate) polyols was synthesized by the copolymerization of carbon dioxide with propylene oxide in the presence of double metallic catalyst in loop reactor.
中文: 摘要以二氧化碳3环氧丙烷为原材料，在双金属氰化物催化剂催化下，利用环流反应器合成聚碳酸亚丙酯多元醇。
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英文: Tentative studies on the graft copolymerization of fibrin and acrylic acid in radiation;
中文: 丙烯酸与纤维素在~(60)Co辐照下的接枝聚合反应
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英文: Chemical modification including oxygenation, esterify, graft copolymerization and so on.
中文: 化学改性主要有氧化、交联、酯化和接枝共聚。
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英文: Copolymerization of dimethyl diallyl ammonium chloride and acrylamide by using AIBA·HCl-NaHSO_ initiator and characterization
中文: AIBA·HCl-NaHSO_ 引发下DMDAAC-AM共聚物的合成与表征
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