土壤污染物

土壤污染物的释放速率及阻隔措施的研究

Study on the release rate of soil pollutant and obstructive measures

重金属是最为重要的一类土壤污染物。

Heavy metal is a kind of important soil pollutant .

Hg、Cd、As、Cr两两之间均显著相关，呈正态分布，Pb无显著相关，呈非正态分布，表明土壤污染物的性质和特征具有共同性，关联性好，同源性高。

Hg , Cd , As , Cr showed normal distribution and there were significant correlations among them , but no significant correlation was existed between them and Pb that displayed abnormal distribution , indicating the characters of excellent correlations and high homologue of soil pollutants .

60%受土壤污染物污染的茶场中，如采取有效措施，控制DDT农药的使用，至少有20%～30%茶场的土壤质量可提高到清洁水平。

In 60 percent of tea plantations polluted by soil pollutants , if effective measures are adopted and the use of DDT is prohibited , there are at least 20 to 30 percent of tea plantations where the soil quality can be reached to clean level .

铅稳定同位素在土壤污染物来源识别中的应用

Application of Pb Stable Isotope in Source Identification of Soil Pollutants

根系是重金属等土壤污染物进入植物的门户。

Root is the gateway for heavy metal pollutants in soil .

普通克里格评估土壤污染物空间分布精度控制研究

Precision Control of Assessing Soil Contamination Spatial Distribution Based on Ordinary Kriging

石油污灌土壤污染物的残留与生态毒理

Pollutants residue in soil and the eco-toxicity after irrigation with petroleum wastewater

三峡库区受淹土壤污染物释放量的试验研究

Experimental Study on Contaminant Release of Flooded Soils in Three Gorges Reservoir

土壤污染物的化学修复技术是一种实用可行的土壤污染治理方法。

Chemical remediation is a feasible and practical method to repair polluted soil .

土壤污染物溶质运移模型研究进展

Research Development of Polluted Solute Transport Model in Soil

土壤污染物临界负荷研究进展

Review on Critical Loads of Pollutants for Soils

在目前，多应用于水环境、区域生态环境以及土壤污染物研究领域中。

It is currently used in water environment , regional ecological environment and soil pollution .

总结了蚯蚓对土壤污染物进行生物富集的途径：扩散作用和摄食作用；

Accumulative approach of passive diffusion and resorption of soil pollutants in earworms were summarized .

利用这种特征，可以作为消除或减少土壤污染物的有效途径。

Making use of the characteristic of iron oxides may remove or reduce soil contamination as an efficient means .

区域内的印刷厂、造纸厂、彩印厂是土壤污染物的主要来源；

Printing plant and paper mill and color printing factory were the main sources of the soil pollutants in the target area .

随着时间的推移，环境污染物，包括土壤污染物造成的在微观和宏观气候水平上的污染日趋严重。

As the time is passing by , the environmental pollutants including soil contaminants are increasing pollution at micro and macro climatic levels .

根系是金属等土壤污染物进入植物的门户，它能分泌有机酸、氨基酸、糖、生长物质等根分泌物到根际环境。

Root system is the first entrance of metal pollutants from soil into plant . It can excrete organic acids , amino acids , sugars , growth substances etc.

对于污染物的迁移分析模型，选择了压差驱动流情景下Johnson&Ettinger模型，并考虑了土壤污染物随雨水淋溶进入地下水的情景。

For the migration analysis model of the pollutants , it has chosen Johnson & Ettinger model under circumstances of differential pressure driven current , and also considering the situation of soil pollutants leaching into groundwater with rainwater .

土壤污染物主要来自污染的大气沉降，废水和污水灌溉，工业废渣和城市垃圾，以及农药施用等。土壤污染对环境和人体健康造成极大的危害。

The pollutants are mainly from the deposition of polluted atmosphere , the irrigation of wastewater , the dumping of industrial waste and city garbage , and the application of pesticide , which destroy soil system , and soil pollution is very harmful to the human health .

本文在评述植物吸收土壤有机污染物研究现状的基础上，以黑麦草为代表，采用水培体系模拟研究了植物吸收积累土壤PAHs的行为。

In this dissertation , the uptake , accumulation and translocation behavior of PAHs in ryegrass was investigated using a hydroponic system .

污染指数法评价结果显示大连地区土壤主要污染物为Cd，部分地区土壤Zn和Pb污染严重；

The results of integrated pollution index and the potential ecological risk assessment were indicated that Cd was the main pollutant in soil in Dalian , and pollution of Zn and Pb was serious in some locations .

土壤对污染物的光催化及吸附行为研究

Study on Behavior of Photocatalysis and Adsorption of Soil to Pollutants

非饱和分层土壤中污染物迁移转化规律研究

Contaminant Transport and Transformation in Unsaturated Water Flow in Multilayered Soils

企业密集区土壤主要污染物的空间分布及其预测性初步探讨

Spatial Distribution Characteristic and Forecast of Soil Pollutions in Enterprise-Intensive Area

环糊精在土壤有机污染物治理中的应用

Review on Study of Cyclodextrin in Remediation for Organic Pollutants Contaminated Soils

灌水量对土壤中污染物运移规律影响的研究

Effect of different irrigation quantity on bromide transport in soil

有机氯农药企业搬迁遗留场地土壤中污染物的垂向分布特征

Vertical Distribution of Pollutants in Soils of a Former Organochlorine Pesticide Manufacturing Field

生物表面活性剂清洗土壤有机污染物的研究与展望

Study on biosurfactants in washing organic wastes from contaminated soils and its prospects

土壤中污染物主要随地表径流迁移。

The transport of pollutants in soil was mainly generated from surface runoff .