重金属污染

基于GIS的混合加权模式在天津城郊土壤重金属污染评价中的应用

Soil Heavy Metal Pollution Assessment by Mixed Weighted Mode Based on GIS of Tianjin Suburb

基于GIS的杭州市居民区土壤重金属污染现状及空间分异研究

GIS-Assisted Assessment and Spatial Variation of Heavy Metal Pollution in Soils of Residential Areas of Hangzhou City

添加生物炭能够不同程度地提高重金属污染土壤的pH值，并且随热解温度的升高而升高。

The pH of contaminated soils rose to some extent with increasing pyrolysis temperature after biochars application .

基于GIS技术的兴化平原耕地土壤重金属污染空间分异与环境风险评价

Spatial Variability and Environmental Risk Assessment of Heavy Metal Pollution of Cultivated Land in Xinghua Plain Based on GIS

干气中H2/CH4比由0.59降至0.41，说明该活性剂具有较强的抗重金属污染能力；

The H_2 / CH_4 was decreased from 0.59 to 0.41 showing that the activator could resist the pollution of heavy metals efficiently .

结果表明，该水域底栖生物未受重金属污染，但甲壳动物和软体动物体中Cu和Zn具有潜在的严重积累问题；

Benthons have not been polluted by heavy metals , but the concentration of Cu and Zn in crustacea and mollusc has potential serious accumulation problems .

土壤中的重金属污染尤其是镉（Cd）污染是目前全球关注的环境热点问题之一。

Soil contamination by heavy metals , especially by cadmium ( Cd ), has been one of the world wide environmental hot issues in recent years .

底质中重金属污染较为严重，大部分站位均达到极强的生态危害，主要污染元素是Hg。

The heavy metals pollution in sediments is much severer and seriously harmful to ecology in most stations . Hg is the primary element of pollution .

研究表明，应用BCR连续提取法有助于确定土壤重金属污染以及重金属向下迁移状况，借助该法可以有效、可靠地对土壤重金属污染进行评估。

The results showed that application of sequential extraction of BCR was useful in assessing the pollution and movement of heavy metals in soil .

彗星试验结果表明重金属污染土壤对蚯蚓产生明显的遗传毒性，并观察到随着暴露时间延长，蚯蚓体内产生DNA修复机制，提示彗星试验是检测土壤基因毒性的有效手段。

The results of the comet assay demonstrated the genotoxicity of metal contaminated soils . And a DNA repair process in earthworm was observed as the exposure time prolonged . And the comet assay is capable of examining the genotoxicity of soils .

采用基于16Srdna序列分析方法，在长度多态（LPM）和16Srdna的GC含量二维水平分析了受重金属污染的活性污泥系统内细菌的优势种类和多样性。

A two dimensional molecule method based on length polymorphism ( LPM ) and GC content of 16S rDNA to characterize bacterial communities in activated sludge were studied .

结论公路旁土壤重金属污染以Cd、Pb和Cr为主，污染叠加重金属来源主要为机动车燃料、轮胎、机械中所含微量重金属成分。

Conclusion Cd , Pb and Cr were the major heavy metals polluting the soil along the highway and the source of pollution was the heavy metals from the exhaust fume , tires and mechanical parts of the automobiles .

结果表明：长江万州段主要的重金属污染因子为Cd，生态风险影响因子顺序为：Cd>Zn>Pb>Cu>Cr。

It is revealed that the main pollution factor is Cd . The sequence of ecological risk is Cd > Zn > Pb > Cu > Cr , and the potential ecological risk is Cd > Pb > Cu > Zn > Cr.

但由于过去几十年湘江流域各地政府盲目追求GDP增长，对环境污染重视不足，缺乏监管，使得在过去半个世纪的时间内重金属污染快速加剧。

But because of the past decades in xiangjiang river basin governments around the world blind pursue GDP growth , attention to environment pollution and lack supervision , made in the past half a century of time the heavy metal pollution spinning .

可见，FastPrep○R核酸提取系统同样适用于重金属污染农田土壤环境中微生物基因组DNA的快速分离和纯化，得到的DNA可直接用于PCRDGGE分析。

The FastPrep ○ R system is also suitable for rapid efficient extraction and purification of soil total community DNA from farmland soils polluted with mixed heavy metals and in turn the DNA can be used directly for PCR-DGGE analysis .

基于Hazen概率曲线区分铜陵矿区土壤As元素背景含量与污染叠加含量的方法是有效的，有必要将该方法推广到土壤中其它重金属污染元素、其它地区作进一步研究。

So the method for As element was efficient in Tongling diggings . And the method should be researched furthermore by using for other heavy metal elements and in different areas .

重金属污染与人体健康

Effect of Heavy Metal Pollution on Human Health and Sustainable Development

长江三峡库区江段沉积物的重金属污染特征

Heavy metal pollution in sediments from the Three Gorge Reservoir Area

土壤重金属污染评价中的模糊综合决策问题

The Method of Fuzzy Comprehensive Decision-making in Soil Environmental Quality Evaluation

重金属污染土壤化学萃取技术研究

The Research on Chemical Extraction Technologies of Heavy Metal Contaminated Soils

植物-微生物联合修复重金属污染土壤研究

The remediation of plant - microbe on heavy metals contaminated soil

东莞市蔬菜重金属污染状况研究

Assessment of pollution of heavy metals on vegetables in Dongguan city

河流颗粒物重金属污染评价方法比较研究

Comparative study of assessment method for river particulate heavy metal pollution

随着重金属污染日趋严重，有关重金属毒性的报道不断出现。

Reports of the toxicity of heavy metal ions emerge continuously .

浅谈重金属污染对健康的危害

Discussion on the Harm to Health for the Heavy Metal Pollution

渤海重金属污染历史研究

The Study of Pollution History of Heavy Metals in Bohai Sea

微生物修复治理重金属污染是一条有效、生态的途径，它避免了目前治理中难以解决的二次污染问题。

Bioremediation would clean up the metal contamination efficiently and ecologically .

重金属污染元素在天津土壤剖面中的纵向分布特征

Vertical distribution of heavy metal pollutant in soil profile of Tianjin

用水生生物对重金属污染土壤进行生态毒理评价

Ecotoxicological assessment of soil contaminated with heavy metals using aquatic organisms

土壤-小麦系统重金属污染状况与吸收富集行为

Pollution and accumulation of heavy metals in the soils and wheat