ADORN 发表于 2025-3-28 18:25:27

LD50 Dose,timum working dose a number of parameters may be selected considering the nature of experimental materials. We must first determine the LD., a dose that causes 50% mortality to the seeds or a safe dose where 50% of the seeds can survive. The LD. varies between species and varieties in a species.
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查看完整版本: Titlebook: Interkulturelle Kommunikation; Interaktion, Fremdwa Hans-Jürgen Lüsebrink Textbook 20123rd edition Springer-Verlag Berlin Heidelberg 2012 m