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单词 median lethal dose
释义

Definition of median lethal dose in English:

median lethal dose

noun
  • The dose of a drug or of ionizing radiation that kills 50 per cent of test subjects; symbol LD50.

Origin

1920s.

Definition of median lethal dose in US English:

median lethal dose

noun
  • The dose of a drug or of ionizing radiation that kills 50 per cent of test subjects; symbol LD50.

Origin

1920s.

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更新时间:2024/12/27 17:12:47