• Using acetone adds the water withdraws the atrazine in the soil, than extract with trichloromethane, after concentrated and settle to permit, use the capillary gas chromatography.

    采用丙酮加水提取土壤中的阿特拉津,再三氯甲烷萃取浓缩后,毛细管相色谱法测定

    youdao

  • Through the investigation and analysis of a case of acute occupational trichloromethane poisoning, to put forward preventive measures and prevent the occurrence of similar incidents.

    目的通过肇庆市某塑胶五金电子厂发生一起急性职业性三氯甲烷中毒事故调查分析提出预防措施,杜绝类似事故的发生。

    youdao

  • Through the investigation and analysis of a case of acute occupational trichloromethane poisoning, to put forward preventive measures and prevent the occurrence of similar incidents.

    目的通过肇庆市某塑胶五金电子厂发生一起急性职业性三氯甲烷中毒事故调查分析提出预防措施,杜绝类似事故的发生。

    youdao

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