pollutant source

Accumulation of heavy metals in soils and sediments and determination of pollutant source by Pb and S isotopic tracers

土壤和沉积物中重金属积累及其Pb、S同位素示踪

Then a one-dimensional unsteady incompressible flow with moving pollutant source model was proposed. The continuity equation, momentum equation and convection-diffusion equation were discredited using finite volume scheme.

接着，根据双线铁路隧道运营通风的特点，建立了一维不可压缩非恒定流和流动污染源的物理模型以及山相应的连续性方程、动量方程和对流扩散方程构成的数学模型；

The pollutant source control method for network water environment management

河网地区水环境规划中的污染源控制方法

The Application of Chemical Mass Balance Model Method for Pollutant Source Solution in Hong Kong

化学质量平衡模型在香港污染源解析中的应用

Important Drinking Water Source Pollutant Source Investigation Protection Measure in Hainan Province

海南省重要饮用水源地污染源调查及保护策略研究

As livestock and poultry breeding developing rapidly on a large scale, the pollution of the livestock and poultry breeding wastewater becomes the most important pollutant source besides industrial wastes and domestic sewage.

近年来，随着规模化畜禽养殖业的快速发展，畜禽养殖废水正在成为除工业废水和生活污水最主要的污染源，制约了畜禽养殖业可持续发展。

Through the system analysis, it announced APM's character, elements enrichment degree and style of pollutant source of the two sampling sites in Liangxiang of Beijng.

通过对两个地点多组样品的系统分析，揭示了北京良乡两采样点的APM特征、元素富集程度以及两地污染源类型。

Real meteorological data and pollutant source data are applied for numerical simulation and the method and algorithms are verified.

应用实际气象数据和污染源数据进行了优化控制数值模拟。

It has been estimated that the average amount of yearly oil spill is about 20000 t in Chinese ocean which causes serious damage to ocean environment and becomes the major pollutant source in ocean environment.

据估计，我国海洋年均溢油量约为2万t，对海洋环境构成了严重的危害，成为海洋环境中的主要污染源。

To pollution reasons for the environmental impact of construction projects, calculation of pollutant source strong plays an important role in environmental impact assessment engineering analysis.

对于环境影响以污染因素为主的建设项目，污染物源强核算在环境影响评价的工程分析中占有重要地位。

Analysis of Share Percentage Distribution Characteristics of Air Pollutant Source in Lanzhou City in 2000

兰州市2000年污染源分担率分布特征分析

Under the circumstance that point source pollution is basically controlled, non point source pollution has already become an important pollutant source.

在点源污染得到初步控制的情况下，非点源污染已经成为水源地的重要污染源。

Evaluation of emissions and control equipment is for the development of new pollutant source performance standards.

对排放量和控制设备进行评价为的是制定新污染源的执行标准.

Computer-aided Analysis of Pollutant Source in Aquatic Environment

水环境污染源的计算机辅助分析

Agricultural pollution as one of the most serious non-point pollutant source made a great contribution to water pollution in the northeast of China.

面源污染中对水体危害最大的首推农业面污染源。

The outcoming indicates that the measure can not only calculate the water quality trend but also can reflect the pollutant source type.

结果表明，该方法不仅能较好的反映出其水质变化趋势，同时还能够反映出其污染源的类型。

And also a dynamical regulating model of allowable emission of urban atmospheric pollutant source is worked out and its test cases are given.

建立了污染源允许排放量动态调控模型，并给出了试用个例。

In conclusion, as a practical and feasible method, the Gauss Reverse Model can be used to calculate the emitting amount of heavy metals from unorganized atmospheric pollutant source in application.

总体上，高斯反推模式在实际应用过程中可作为估算无组织源重金属污染物排放量的一个切实可行的方法。

Inverse Problem on Boundary Condition and Pollutant Source in Water Quality Model of River Network

组合单元水质模型中的边界条件及污染源项反问题

Carries out a purification experiment for controlling pollutant source and removing indoor air pollutants.

从控制污染源和消除室内空气污染两方面进行了净化试验.

The newborn remain is a main pollutant source for shrimp cultural environment and its adjacent waters.

新生残饵是对虾养殖水环境及其临近浅海环境的主要污染源。

The tributary right XiaoHeiJiang River is the main pollutant source, so pollution control and harness in the river basin should be strengthened.

右支小黑江是污染的主要来源，应加强对该流域的污染控制和治理。

The main factors that pollute the city air are industry, automobile, civil pollutant source et al.

工业、汽车、民用污染源等排放的污染物是造成城市空气污染的主要因素。

A great number of discharging civil domestic refuse has been become a new pollutant source.

城市生活垃圾大量排放已成为一个新的污染源。

Identifying the main Pollutant Source in the Aquatic wild Animal Protection Zone with the Analytical Hierarchy Process

应用层次分析法确定水生野生动物保护区主要污染源

As the automobile exhaust is one of the biggest pollutant source, improving the quality of gasoline is imperative under this situation.

由于汽车尾气排放是最大的污染源之一，提高汽油质量势在必行。

Control of external pollutant source is surely the most fundamental way, but it is far from enough to restore the lake in a few years.

但要在短期内实现湖泊水质和生态环境的好转，单依靠外污染源控制是远远不够的，必须在湖内实施一系列行之有效的治理措施。

Pollutant source of the Three Gorges Reservoir Region mainly is point source pollution and non-point source pollution, whose the latter occupied 77.85% of the total loadings.

三峡重庆水库污染物来源主要为点源污染与面源污染，其中面源等标污染负荷就占整个库区等标污染负荷的77.85%，面源污染是库区的主要污染源。

Analysis of Pollutant Source and Water Environment Quality Trend during Three Gorges Reservoir Construction

三峡水库建设期间污染物来源及水环境质量变化趋势分析

Non-point Pollutant Source Analysis and Its Numerical Simulation Study in Chongqing Three Gorges Reservoir Region

三峡重庆库区面源污染分析及数字模拟研究