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 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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