翻译一段毕业论文不要机译啊!多谢!

来源：百度知道 编辑：UC知道 时间：2024/06/19 19:52:24
摘 要：本文采用毛细管气相色谱法测定土壤中有机氯农药的残留量土壤以石油醚+丙酮在索氏提取器中提取，提取液在刻度离心试管中以浓硫酸净化。采用毛细管气相色谱法测定土壤和桔梗中七氯和滴滴涕的含量。土壤和桔梗以石油醚十丙酮在索氏提取器中提取，提取液在刻度离心试管中以浓硫酸净化。
关键词：毛细管气相色谱;中药;土壤;索氏提取器:有机氯农药残留量

In this paper, capillary gas chromatography of soil organic pesticides residues in the soil to petroleum ether + acetone in Soxhlet extraction is extracted, the extract of the scale centrifuge tube in a concentrated sulphuric acid purification. By capillary gas chromatography of soil and bellflower in the content of DDT and heptachlor. Bellflower to soil and acetone in petroleum ether 10-Soxhlet extraction in the extraction, extracts of the scale centrifuge tube in a concentrated sulphuric acid purification.
Key words: capillary gas chromatography; medicine; soil; Soxhlet extraction: organochlorine pesticide residues in

In this paper, capillary gas chromatography of soil organic pesticides residues in the soil to petroleum ether + acetone in Soxhlet extraction is extracted, the extract of the scale centrifuge tube in a concentrated sulphuric acid purification. By capillary gas chromatography of soil and bellflower in the content of DDT and heptachlor. Bellflower to soil