发布时间:2025-01-31 10:21:13
LD的意思是致死剂量;
LC的意思是致死浓度。
50代表服用农药后杀死一半受试动物。因此LD50表示服用农药后杀死一半受试动物的剂量;LC50表示吸入农药后杀死一半受试动物浓度。由于受试动物的体重不同,抵抗中毒能力不同,所以LD50和LC50均视为单位体重的剂量或单位体重的浓度。
mg/L(毫克/每升)
美度手表国内吊牌价是6000折后大概5000左右去瑞士买会比国内便宜吗
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