This paper has summarized the sources of Cd pollution in soil and its influence to human being's bodies and plants, meanwhile, introduced the present methods of its treatment.
针对目前的土壤镉污染的问题，总结了土壤中镉污染的来源及其对人体和植物体产生的危害，并在此基础上介绍了目前土壤镉污染的整治方法。
Methods: samples of soil, water, corps and human urine from Magu town of Hezhang county were collected, and then, the Cd contents in the samples were detected.
方法：采集研究区域内的土壤、生活用水、主要食物等样品及人体中的尿样，分析其中的镉含量水平。
Results also show that EXC-Cd were the most active or available form, and then WBO-Cd in Acidic-neutral soil.
不同供试土壤中活性镉的形态是：中、酸性土壤主要为交换态与松结有机态，而石灰性土壤上则以交换态为活性镉的主要给源。
This paper analyzed the possibility of reflectance spectra obtained under laboratory conditions for the assessment of Pb, Cd and Hg content in soil quickly.
本文利用实验室实测的土壤反射光谱以及铅、镉、汞等重金属元素数据，进行土壤重金属元素含量快速预测的可行性研究。
Results showed that other heavy metals contents were in safe level except Cd, which indicated that the soil in this region is suitable for vegetable planting.
调查结果表明，该区域内的土壤可以作为蔬菜基地使用。
Cd adsorption decreased with increasing of amorphous Al content in soil colloids, which might be due to the high energy exchange sites being occupied by Al ions.
随着无定形铝含量的上升，吸附量下降，这是因为铝离子占据了高能量的吸附位。
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。
The availabilities of Pb and Cd in rhizosphere of red soil would drop with adding phosphatic fertilizer.
增施磷肥红壤根际有效态铅、镉的活性降低。
The characteristics of Cd pollution in soil, Cd forms transformation in the soil and its biological toxicity are reviewed in this paper.
论述了土壤Cd污染的特点、Cd在土壤中的形态转化特征、生物毒性及我国目前土壤Cd污染现状及危害。
The characteristics of Cd pollution in soil, Cd forms transformation in the soil and its biological toxicity are reviewed in this paper.
论述了土壤Cd污染的特点、Cd在土壤中的形态转化特征、生物毒性及我国目前土壤Cd污染现状及危害。
应用推荐