| 单词 | lc50 | |||
| 释义 | LC50LC50[¦el¦sē ′fif·tē]LC50median lethal concentrationThe average concentration of a chemical or mixture in air as a gas, vapour, mist, fume or dust capable of killing 1/2 of the test animals exposed by inhalation under specific conditions. Median lethal concentration (LC50) is often expressed in ppm or mg/m3.LC50Median lethal concentration, see there.LC50[Fm. lethal concentration]LC50
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