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。

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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；

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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。

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The Guangzhou Food and Drug Administration says that 44% of rice samples collected locally contained dangerously high levels of cadmium, a heavy metal that causes cancer, kidney failure and other diseases.

WSJ: Review & Outlook: China's Toxic Rice Bowl

Food-safety officials in the southern province of Guangdong on Wednesday released the results of tests that showed less than 5% of local rice supplies contained excessive levels of cadmium, a carcinogenic heavy metal that can wreak havoc on the kidneys and weaken bones if ingested in large quantities.

WSJ: China Seeks to Calm Anxiety Over Rice