LD50 (nakamamatay na dosis)

LD50 (nakamamatay na dosis)

Ang dosis na nakamamatay sa 50% ng mga hayop ng pagsubok o micro organismo sa isang naibigay na tagal ng panahon Ito ay karaniwang ipinahayag sa milligrams ng insecticides bawat kilo ng timbang ng katawan sa mammals, at mga micrograms ng mga insecticides bawat gramo ng timbang ng katawan sa mga insekto Ang mas mababa ang halaga ng ld, mas mataas ang toxicity

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类别水稻科学
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