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: Abstract: Unsaturated polyester with low shrinkage composied of anti-shrinking agent,thermoplastics,dispersion-stabilizer,a kind of graft copolymer made from styrene and saturated polyester,shaped like a comb for its molecular structure and UPR in certain
中文: 文摘:研究了当用热塑性树脂作为不饱和聚酯树脂低收缩剂时，合成了以苯乙烯为主链，聚酯为枝链的梳状接枝共聚物，作低收缩剂的分散稳定剂，配合相应组成的不饱和聚酯树脂得到了具有低收缩特性的不饱和聚酯组成物。
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英文: In this paper, the market situation, commercial trend and technological progress of unsaturated polyester resin from 2004 to 2005 were reviewed with 17 references.
中文: 摘要综述了2004-2005年国外不饱和聚酯树脂的市场动态及技术进展。
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英文: The woven edge from textile industry is the strengthen material, and unsaturated polyester resin is the basic material in the study.
中文: 摘要本研究系以纺织工业之废布边、玻璃纤维为强化材，以不饱和聚酯树脂为基材。
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