对土壤样品中吡虫啉快速压力溶剂萃取技术（PSE）与传统提取方法（超声波萃取、振荡提取和索氏萃取）进行了对比研究。

Pressurized solvent extraction (PSE) of imidacloprid in soil comparing to traditional method such as ultrasonic extraction, shaking extraction and Soxhlet extraction were studied.

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方法：用浸渍提取法从洋虫中得到水提取物和乙醇提取物，用索氏提取器提取得到石油醚提取物。

Method: Water extracts and ethanol extracts were obtained by maceration method, while petroleum ether extract was obtained by soxhlet's extracter.

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