metal contamination level是什么意思

网络释义

用法例句

Through analysis,the disadvantages of the traditional Nemerow index method were pointed out,and an improved method to divide pollution levels was brought forward.

通过对传统尼梅罗污染指数法进行分析,指出其缺点,并对其作出改进,提出了一种污染等级的划分方法。

The mechanism and factors of chemical reaction under the condition on the earth surface between compounds, rocks and minerals, are important in the study of metal pollution.

结合现实环境问题探讨和归纳了金属污染的自然成因和机

Sediment samples collected from 11 sampling sites of selected drinking water sources in Jiangsu Province were analyzed to obtain the metal pollution level.

结果表明,这三处水源地目前并未存在重金属污染,但有的地点的沉积物有可能成为水体潜在的污染源。

It is found that high dose O + implantation brings metal contaminations mainly including Al,Ar,Fe,Ni.

采用强流氧注入机进行高剂量氧注入 ,发现金属杂质污染元素主要是Al、Ar、Fe、Ni;注入后强酸清洗样品可有效降低Al污染 ;6 0nm厚的二氧化硅注入保护膜可阻挡一半的上述金属污染 。

THE APPLICATION OF THE IDEAL POINT METHOD TO THE GRADE EVALUATION OF HEAVY METAL POLLUTION IN SOILS OF TAIYUAN BASIN

理想点法在太原盆地土壤重金属污染等级评价中的应用

Comparative Analysis of Heavy Metal Contaminations in Different Ranking Urban Soils;

不同级别城镇土壤重金属污染状况的比较分析

The Toxic Effects of Single and Their Combined Pollution of Heavy Metals on Submerged Macrophytes and Fluoresscence Loealization Observation;

重金属及其复合污染对高等沉水植物的毒害作用及荧光定位初探

Combination contamination of heavy metals is one of important soil contamination types.

重金属复合污染是主要土壤污染类型之一。

Spatial Analysis on Soil Heavy Metal and Pollution Evaluation in Chongming

崇明岛土壤重金属污染的空间分析及污染评价

Releasing of Heavy Metal Pollution in Landfill Leachate Contaminated Sites

垃圾渗滤液污染场地的重金属污染再释放研究

The Research about the Pollution Mechanism of Heavy Metals in Rivers of the Goldfield of Shaanxi Tong'guan;

陕西潼关金矿区河流重金属污染研究

Study on Heavy Metal and Metalloid F and As Pollution in Soil in Chengdu Plain

成都平原土壤重金属及类金属氟砷污染研究

Study on early-warning system for heavy metal pollution of water and soil in metal sulphide mining area

金属硫化矿区水土重金属污染预警系统的研究

Study on Heavy Metal Contamination in Sediment of the Upper Reaches of the Huangpu River

黄浦江上游沉积物中重金属污染研究

A STUOY OF HEAVY METAL POLLUTION OF VEGETABLES IN THE SUBURBS OF HOHHOT

呼和浩特市蔬菜中重金属污染的研究

The Heavy Metal Pollution Estimation of Soils in Harbin Greenbelt;

哈尔滨市绿地土壤重金属污染及评价

Study on the Electrokinetic Remediation of Heavy Metal Contaminated Soils;

重金属污染土壤的动电修复技术研究

Present Situation and Evaluation of Heavy Metal Pollution in the Soils of Nanning City;

南宁市城区土壤重金属污染状况研究

Research on Phytoremediation of Soil Contaminated by Cadmium

重金属Cd污染土壤的植物修复研究

Soil Heavy Metal Pollution of Roadside Greenbelt in the North of Beijing

京北城区公路绿化带土壤重金属污染

Research progress of heavy metals pollution chemistry in soil-plant system

土壤重金属的植物污染化学研究进展

Assessment on Heavy Metals Pollution of Paddy Soil in Wenchang City,Hainan Province

海南省文昌市水稻土重金属污染评价