| 释义 |
- 毒性浓度：指环境中有毒物质的浓度达到了对生物体产生危害的程度。
1 ?毒物浓度 在线英语词典,英文翻译,科技词典,专业词典 ... 多旋回：polycycle 毒性比：toxicity ratio （TR） 堆体积：bulk volume ... 2
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At low concentrations, enzyme activity declined sharply, leveled off gradually with the increasing of toxic concentration. 在低浓度时，酶活性急剧下降，随着毒物浓度的增加逐渐趋于平缓。 - 2
In the research of "the environmental capacity of soil", it may furnish a parameter to the critical toxic concentration of heavy metals and non-metals in soil. 可在“土壤环境容量”的研究中，为土壤重金属、非金属的毒性临界浓度提供一个参数。 - 3
In response to the appearance of such variants in the cell population the concentration of the toxic chemical in the growth medium is increased, thus keeping the selection pressure constant. 为应对细胞污染中出现的变异，有毒物质的浓度是逐步增加的，以此保证筛选力度的稳定。
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