The residual amounts of HCHs and DDTs in soil of Lanzhou area are lower compared with that of other cities.
其他城市相比，土壤中滴滴涕和六六六的残留量较低。
Conclusion Multi-electrode radiofrequency ablation therapy is a safe and effective treatment option for patients with HCHs.
结论多电极射频治疗肝海绵状血管瘤是一种安全、有效的治疗方法。
The carcinogenic risks and non-carcinogenic hazard indices of DDTs and HCHs indicated that water in the East Lake was not suitable as water sources for human.
对于人类的致癌风险和非致癌危险系数的评估表明，东湖水体已经不适合作为饮用水源。
The concentrations of hexachlorocyclohexane isomers (HCHs) in muscle, skin, liver, stomach, heart, eggs, feed and feces of chicken from a poultry farm were determined by GC-ECD.
用气相色谱-电子捕获器法测定了北京郊区某养鸡场不同生长期的饲养鸡的肌肉、表皮、肝脏、胃、心脏以及鸡蛋、饲料和粪便中hch的残留浓度。
The concentrations of hexachlorocyclohexane isomers (HCHs) in muscle, skin, liver, stomach, heart, eggs, feed and feces of chicken from a poultry farm were determined by GC-ECD.
用气相色谱-电子捕获器法测定了北京郊区某养鸡场不同生长期的饲养鸡的肌肉、表皮、肝脏、胃、心脏以及鸡蛋、饲料和粪便中hch的残留浓度。
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