Many heavy metal Cd exits in exchange condition, which is advantageous to the research of pollution repair and is more advantageous to the government pollution.
重金属镉的形态多以可交换态存在，有利于治理污染和土壤修复。
The pollutant removal effect of ferric coagulant was researched by stirring jar test to remove trace phenol and heavy metal ions of Pb and Cd in Sungari River.
本文以松花江水为本底，以微量苯酚和重金属离子铅与镉为研究对象，通过烧杯搅拌试验，初步考察了高铁酸盐的除污染效能。
The absorption and purification ability of some green tree species to heavy metal Pb and Cd in the atmosphere is measured and compared.
研究测定了部分城市园林绿化树种对重金属中大气铅、镉污染物的吸滞能力。
The absorption and purification ability of some tree species to heavy metal pollutants, Pb and Cd in the atmosphere are measured and studied.
研究测定了部分城市绿化树种对重金属大气铅、镉污染物的吸滞能力。
The absorption and purification ability of some greening tree species to heavy metal pollutants, Pb and Cd in the atmosphere are measured and studied.
研究测定了部分城市绿化树种对重金属大气铅、镉污染物的吸滞能力。
Urease activity affected not only by single heavy metal, but also by the interaction between Hg and Cd, the effect is still mainly done by single heavy metal.
在复合污染条件下，脲酶活性不仅受到单因素影响，而且存在汞、镉间弱的拮抗作用，但仍以单独效应为主。
The result showed the heavy metal content in bed mud was over Soil Environmental Quality Standard Two except Pb, in which Cd pollution was the most significant.
结果表明各航道底泥中重金属除铅以外，含量均超过《土壤环境质量标准》中的二级标准，其中镉的污染最为严重。
In the eighties I was a big fan of the raw heavy metal of this band and even now their first albums are to be found in my CD player on a very regular basis.
在八十年代我是一个大风扇的原料重金属这一带，甚至现在的第一张专辑都在我的CD播放机的一个非常正规的基础。
The content of heavy metal in 3 kinds of radish in Yubei area of Henan province was determined by atomic absorption spectroscopy. The results show that there are more Pb and less Cd and Hg in radish.
用原子吸收分光光度法测定了河南豫北地区的三种萝卜中重金属元素。
The content of heavy metal in 3 kinds of radish in Yubei area of Henan province was determined by atomic absorption spectroscopy. The results show that there are more Pb and less Cd and Hg in radish.
用原子吸收分光光度法测定了河南豫北地区的三种萝卜中重金属元素。
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