以下为句子列表：
英文: The component of sex pheromone was analyzed by gas chromatogram and GC/MS, it was identified primarily to be dioctyl ester containing 24 carbon.
中文: 利用气相色谱及气质联用技术分析，嗜虫书虱雌成虫的性信息素的主要成分初步鉴定为含有24个碳的酯类化合物。
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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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