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no observed-adverse-effect level
释义
no observed-adverse-effect level
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释
no observed-adverse-effect level
无可见不良作用剂量水平
在一定时间内、规定的暴露条件下,使用最灵敏的试验方法和观察指标发现的,与同一种属正常(对照)相比,一种物质不引起目标生物在形态、功能、生长、发育或寿命等方面出现任何不良作用改变的最大浓度或量。又称未观察到不良作用水平。通常以每千克体重的物质质量表示。
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shaped dual reflector
shape description
shaped-pupil coronagraph
shaped reflector
shaped tube electrochemical machining
shape-elastic scattering
shape equation of lipid vesicles
shape evolving
shape factor
shape feature
shape feature description
shape features of crude drugs
shape from contour
shape from motion
shape from shading
shape from texture
shape function
shape group
shape inference
shape interpolation
shape isomer
shapeless
shape magnetic anisotropy
shape matching
shape memory alloy
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