复合污染的表征1、锌当量(Zinc Equivalent, ZE ) Leeper、Chaney与Chumbly 1977年提出了“锌当量〔ZE”的概 念,他们认为土壤...
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The conventional formula for calculating Zinc-Equivalent of element which was criticized in that paper is correct, and the proposed formula is not proper.
指出目前公认的但被《商榷》所指责的锌当量计算公式是正确的,而他提出的新的计算公式反而是不恰当的。
Zinc, retinol equivalent, thiamin, riboflavin, ascorbic acid were inadequate in their diets, the intake of calcium accounted for 30.6 %(males) and 31.4%(females) of RDA.
锌、视黄醇、硫胺素、核黄素、抗坏血酸摄入量不足,钙摄入量仅占RDA的30 .6 % (男生)和31 .4% (女生)。
Two kinds of rust inhibitors improve on the antirust property. The studied zinc -plated wire rope grease in the quality is equivalent to the same k...
用两种配方的防锈剂改善了脂的防锈性能,研制出与国外同类产品质量相当的镀锌钢丝绳脂。
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