SAT化学基础词汇(三) ... SAT化学考试中基础词汇属于高频词汇范畴，智美小编整理SAT化学基础词汇汇总第三部分，供大家参考! poly(ester) chain 聚酯链 polychlorinated 楲 biphenyls (PCBs) 多氯联(二)苯 ...
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周一聚酯链价格明显下跌，主要是我国的聚酯纤维的需求下降。
Prices were more evidently falling in the polyester chain on Monday, reflecting a new decline in demand for polyester fibers in China.
对含取代氨端基的聚酯类超分散剂的合成方法进行了研究，并为获得适当长度的聚酯链选择了最佳合成条件。
A synthetic method for substituted amino-terminal group polyester hyperdispersants is researched and the optimum conditions for polyester chain with suitable length are chosen.
用聚酯胶的溶剂对所得产品进行溶取试验并且通过红外光谱分析都证明了链交换反应的存在。
The exchange reaction is proved by the experiment of solution of the product in polyester adhesive agent and the analysis of infrared ray analyzer.
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