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毒害品
进入人或动物机体后,能与机体组织发生作用,破坏机体正常的生理功能,引起暂时性或持久性的病理状态,甚至死亡的物质。又称毒物。有的毒物剂量小时可作药用,有的非毒物在超量使用时则引起中毒,如何判定是毒物还是非毒物由其毒性决定。
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ultrainfinite point
ultraintuitionism
ultraionization potential
ultra large scale integrated circuit
ultra large scale integrated circuit, ULSI
ultralattice
ultra-light wrought magnesium-lithium alloy
ultralimit
ultra-long spaced electric log
ultra-long wave
ultra-low density fiberboard
ultra low density polyethylene
ultra low density polyethylene (ULDPE)
ultra low density proppant
ultra-low emission
ultra low energy building
ultra low expansion glass
ultra-low frequency
ultralow interfacial tension
ultra-low sulfur diesel production
ultra-low temperature
ultralow temperature
ultra-low temperature freezer
ultra-low-temperature frozen food
ultra low volume concentrate
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