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- Heavy metals contamination is the main type of soil contamination. 重金属污染是土壤污染的主要类型之一。
- Objective: To determine the status of heavy metals contamination in growing area soils and young fruits of Citrus grandis. 目的:对化州市化橘红主产区土壤和化橘红幼果的重金属元素污染状况进行分析、评价。
- ResultsThere were different degrees of the increase of micronucleus,organics and heavy metal contamination. 该市东郊农村生活饮用水有不同程度的微核增高,有机物、重金属污染。
- For example, we can detect the presence of invisible accumulated poison and precisely measure the degree of heavy metal contamination of the body. 例如,我们可以测出体内所累积的看不见的毒素,也可以很精密地测量出人体被重金属污染的程度。
- So the heavy metal contamination of soilsand crops by metalliferous mining activities in Jiuhua copper mine, located in easternNanjing city, jiangsu province was surveyed. 本文选取江苏九华铜矿区,对其农田土壤、作物的重金属污染状况进行了详细调查。
- Heavy metal contamination of soils as a result of industrial discharge is a serious threat to human and animals' health because bioaccumulation in the food chain. 由于工业"三废"的排放,使土壤遭受不同程度的重金属污染。
- Heavy metal contamination of agricultural soils as a result of industrial discharge is a serious threat to human and animals' health because bioaccumulation in the food chain. 由于工业“三废”的排放,使农田遭受不同程度重金属的污染,重金属通过在作物体内富集进入食物链,对人畜健康构成了威胁。
- Heavy metal contamination of agricultural soils as a result of industrial discharge is a serious threat to human and animals' health because of bioaccumulation in the food chain. 摘要由于工业“三废”的排放,使农田遭受不同程度重金属的污染,重金属通过在作物体内富集进入食物链,对人畜健康构成了威胁。
- Analytical results showed that the superstandard rate of Cu was more lower than that of Pb, heavy metal contamination of tea samples during processing and packaging... 结果显示,样品中铜的超标率远远低于铅的超标率,样品在生产、包装过程中重金属污染较为严重,其中常规茶样品在生产加工、包装过程中的污染情况较有机茶更为严重。
- There are many of studies on toxicant mechanisms of heavy metals against plants in China and abroad,which will be helpful to alleviate poison and avoid the hazard of heavy metal contamination. 重金属对植物体的毒害在国内外已经有大量的研究,研究重金属对植物的毒害机理可以为减轻重金属对植物体的毒害,规避重金属风险提供理论依据。
- In the end of this review, problems existing in and prospects of the application of Collembola in the ecological risk assessment of heavy metal contamination of soils are analyzed and discussed. 最后对弹尾目昆虫在重金属污染土壤生态风险评估应用中目前存在的一些问题和应用前景进行了分析讨论。
- The analysis and measures are givenfor equipment corrosion, product treating, sulfur recovery and heavy metal contamination, etc. in processingthe high-sulfur crude oil from the Middle East. 对今后加工中东原油将产生的设备腐蚀、产品精制、硫回收和重金属污染等问题进行了分析,提出了相应的措施;
- Soil contamination especially heavy metal pollution was a severe problem.Many gove rnments and scholars were paying much attention to the remediation of heavy metal contamination in soil. 土壤污染是当今面临的一个严峻的问题,其中重金属污染尤为严重,因此重金属污染土壤的修复日益受到各国政府和学者的重视。
- Generally, soils possess net electric charge which could attract metal cation.We could use of this property to adsorb metal cations or replace inorganic cations and remove heavy metal contamination. 由于一般土壤大多带阴电荷,所以可用来吸附金属阳离子,并利用此特性进行土壤中重金属污染之吸持或取代去除。
- Meanwhile, Salicide-Block process is applied on photo diode area to avoid heavy metal contamination during Salicide formation, then dark current caused by heavy metal defect is suppressed. 同时,采用了对像素区域进行SAB遮盖的方法,避免了硅化物工艺带来的重金属污染,从而降低了暗电流。
- Remedying the heavy metal contaminated soils with clay minerals is one of the most effective techniques. 利用粘土矿物修复重金属污染土壤是一种非常有效的技术,已经成为研究的热点。
- In this study: using hyperaccumulator- Thalspi caerulescens to remediate heavy metal contaminated soils and sewage sludge was studied. 利用遏蓝菜和黑麦草的盆栽实验,研究遏蓝菜对重金属污染土壤的治理效果,以及不同植物条件下土壤重金属对地下水的影响;
- In the paper,the mechanisms and research advances in bioremediation on the organic and heavy metal contaminated soils were reviewed. 而生物修复技术已被证明是一项非常有应用前景的新技术,成为土壤污染治理研究领域的一个热点。
- Heavy metal contamination in soil 土壤重金属污染