以下为句子列表：
英文: A substance, often a liquid such as ethylene glycol or alcohol, mixed with another liquid to lower its freezing point.
中文: 防冻剂，防冻液，抗凝剂一种物质，通常是液体，如乙二醇或酒精，和另一种液体混合来降低冰点
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英文: Butyl cellosolve (aka butyl glycol, ethylene glycol monobutyl) is poisonous when swallowed and a lung-tissue irritant.
中文: 丁赛路苏（如碱性丁二醇、乙二醇单丁醚）：吞食有毒，对肺组织有刺激作用。
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英文: For the pipe section with natural gas hydrates formed,several effective methods to treat NGH are suggested to use ,that is ,depressurizing as fast as possible;heating the pipe ;injecting methanol/ethylene glycol and venting.
中文: 指出对已形成水化物的管道段，可采取尽快降低运行压力、加热、注醇和放空等措施进行处理。
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英文: Dioctyl digomeric glycol-intermediate product of Gemini surfactant was prepared by reaction of ethylene glycol with octyl glycide ether in the presence of potassium as catalyst.
中文: 以乙二醇和辛基缩水甘油醚为原料,金属钾为催化剂合成双子表面活性剂的中间体———二辛基低聚二醇.
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英文: In dilute solution of aprotic dipolar solvent, using potassium ion as template, 8 - crown - was synthesized by using triethylene glycol and ,- dioxa -,8- dichlorooctane as raw materials, and purified via 8 - crown - -MeNO (:) complex.
中文: 用钾离子为模板,采用稀释法,以三甘醇和 ,-二氧-,8-二氯辛烷为原料,经Williamson反应合成了8-冠-,并用硝基甲烷进行提纯。
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