1992 年法尔泽(Pfalzar)指 出对化学农药提出「零风险(Zero risk)和「零残留(Zero residue)的要求是不切实际的,他还指出:「公众很难或根本不 可能接受这样的事实,「绝对安全是不存在的,「技术的进步永 远与新的风...
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zero residue tolerance 最低残留耐受量
A complete utilization new method of zero discharging chromium poison and resource is used to process the waste residue which is discharged in metal chromium and chromium salt producing process.
铬毒零排放及资源完全利用新方法,是处理金属铬和铬盐生产过程中排放的废渣。
If necessary, the residue of pesticides and heavy metals in artificial soil can be reduced close to zero.
如果有必要,我们可以做到把土壤中重金属和农药残余物的含量,降低到几乎为零的水平。
This paper proves fundamental theorem of algebra with Liouville's theorem , logarithmic residue theorem , argument principle, Rouche theorem, maximum (minimum)modules principle and zero point theorem.
研究和总结了用复变函数的观点与方法来证明代数基本定理。
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