heavy pollutant

用法例句

Analysis of contaminants in water produced from formation with polymer flooding and the mechanism of their damage to formation;

系统分析了大庆南三区东部聚合物驱产出水处理前后各组分的含量及分布 ;根据油层损害机理及该区油层的孔渗特征 ,研究和确定了污染物质和污染机理 ;认为聚合物驱产出水中硫酸盐还原菌是主要污染物质 ,向萨尔图、葡萄花油层的低、中渗层及高台子油层回注时 ,固体悬浮物和原油也是主要污染物质 ,而聚合物仅对低渗层造成损害 ;固体颗粒在孔喉中形成“桥塞” ,为油珠进一步堵塞孔喉提供了条件 ,渗透率的降低远比只含有固相颗粒或油珠的流体严重 ;硫酸盐还原菌因大量繁殖聚积而产生沉淀 ;高分子聚合物主要是以吸附方式堵塞低渗透地

Based on the water quality data of the Baiyangdian Lake area from 1988 to 2000,the spatial and time variation rules of the main pollutants and its influence on the eco-system of the Lake area has been analyzed.

根据1988-2000年的白洋淀实测水质资料,分析了白洋淀主要污染物质的时空分布规律,及其对白洋淀生态系统的影响。

In this paper the indoor air pollution is classified and the released pollutants are analyzed.

就室内空气的污染 ,分析了建材所释放的污染物质对人体的危害。

This paper has summarized the achievements and the existed problems in indoor air quality at home and abroad,analyzes the indoor pollutants existed and the source of pollution.

通过国内外对室内空气质量研究方面的成果和存在问题的简述,分析了室内存在的污染物和污染源,并重点讨论了污染物质的理化性质及其对人体健康的效应,介绍了室内空气质量影响评价、现状评价的模式和方法。

Transmission path pollutants for tailings pool(patch) was studied by means of ion content and pH analysis for water in tailings pool area,heavy metal content analysis of reclaimed soil-plant,landscape structure on-site investigation and remote sensing interpretation etc.

本文探讨了典型多金属矿尾矿库区受损生态系统的调查研究方法:通过微量元素分析、化学物相与重砂金属矿物定量分析、常量元素与X射线粉晶衍射分析,对尾矿库(斑块)物质组成及污染元素的含量与分布、污染元素的化学赋存状态、污染元素的赋存矿物的研究;通过尾矿库区水体pH与离子含量分析、复垦土壤-植物重金属含量分析、景观结构现场调研与遥感解译等方法,对尾矿库(斑块)污染物质的传输释放路径的研究,为多金属矿区的受损生态恢复与土地复垦提供科学依据。

surface contaminant detector

表面污染物质检测仪

releasing pollutants into the atmosphere

将污染物质排放到空气里.

Numerical Simulation of Three-dimension Flow and Pollutant Transportation of Tidal River Based on COHERENS Model

基于COHERENS模型的污染物质输运数值模拟

contaminated clothing,eg by radio-active material

受污染的衣物（如受放射性物质污染）

(2) "Pollutant" means a substance that is capable of causing water pollution.

　　(二)“污染物”是指能导致水污染的物质。

chemical residue and contaminant

化学物质残滓及污染物

Something that pollutes, especially a waste material that contaminates air, soil, or water.

污染性物质造成污染的物质，尤其指一种污染空气、土壤或水的废物

chemicals poisoning the lake;

污染湖泊的化学物质；

geological cycle of pollutants

污染物的地质大循环

To spot or stain, as with a discoloring substance.

玷污，弄赃因某种褪色物质弄脏、染污

free dye contamination

自由染料污染物（干洗溶剂中的杂质）;色污染物（干洗溶剂中的杂质）;色污染

This food is contaminated with impurities.

这食物已被不洁物质所污染。

Contamination Twodimensional Water Quality Model Study of Surrounding Area of Drainage Outlet of City Rivers;

城市河流排污口近区污染物二维水质模型

Each of the preceding classifications of polluted air masses involves primarily particulate pollutants.

上述每类污染空气的物质一形成就含有粒状污染物。

a river contaminated by chemicals

受到化学物质污染的河流

Protocol relating to Intervention on the High Seas in Cases of Marine Pollution by Substances other than Oil

干预公海非油类物质污染议定书

Convention on Prevention of Marine Pollution from Land Sources

防止陆源物质污染海洋公约

Waste Quality and Pollution Load Information System

废物质素及污染量资讯系统