The procedure of heavy metal cadmium ion transport through unsaturated soils was simulated by virtue of laboratory soil column tests.
采用实验室土柱法研究了重金属镉离子在非饱和土壤中的迁移规律。
The results showed that the heavy metal cadmium could be effectively separated by vacuum distillation to produce high purity cadmium (>99%).
实验结果表明：利用真空蒸馏可以实现镍镉电池中镉与其它金属的有效分离，并得到纯度大于99%的金属镉；
Alleviation mechanism of rare earth neodymium to the damage of aquatic plants by heavy metal cadmium was discussed primarily on the base of experimental result.
本文根据实验结果初步讨论了稀土钕减轻镉对水生植物毒害的机制。
The rich and cheap clay resources, assorted with alkaline materials, may further improve the resistibility of soils, and therefore secure the safety of plants in over criteria of heavy metal cadmium.
利用我省丰富而廉价的粘土资源，配合施加碱性物质，可更进一步提高土壤“抵抗力”，确保重金属镉超标区植物的安全。
Incineration of heavy metals or materials with high metal content (in particular lead, mercury and cadmium) can lead to the spread of toxic metals in the environment.
焚烧重金属或金属含量高的材料(尤其是铅、汞和镉)可能使有毒金属传播到环境中。
Cadmium is a toxic heavy metal which pollutes the environment and do the people's health harm.
镉是一种重金属毒物，易污染环境，对人体的健康和生殖有着重要危害作用。
The heavy metal elements which was measured was Lead, Cadmium, Chromium and Copper.
测定的重金属元素包括：铜、铅、镉、铬。
Cadmium is a heavy metal, except it can cause acute and chronic poisoning, it also can cause teratogenic, cancer and mutation.
镉是一种重金属毒物，除可造成急、慢性中毒，还有一定致畸、致癌和致突变作用。
Cadmium (Cd2+) stress as one of the heavy metal stress could harm plants, affect their development and yield and quality.
目前有关磁场对重金属抑制植物生长发育的影响及机理研究甚少。
The environmental pollution caused by cadmium, a heavy metal toxic element, has aroused geologists' attention.
镉是重金属有毒元素，其环境污染一直是众多学者研究的焦点。
Compared to background content of heavy metal, concentration of lead, cadmium, zinc and arsenic was higher than it, and evident accumulation trend already appeared consequently.
与正常土壤比较，该区土壤铅、镉、锌、砷含量有不同程度的增加，铜、 镍、铬含量与之持平。
Compared to background content of heavy metal, concentration of lead, cadmium, zinc and arsenic was higher than it, and evident accumulation trend already appeared consequently.
与正常土壤比较，该区土壤铅、镉、锌、砷含量有不同程度的增加，铜、 镍、铬含量与之持平。
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