point source

The brightness of any point-source illumination diminishes rapidly with distance. This weakening of light is called fall-off.

Agricultural non-point source pollution had no certain pollution source which had obvious potential, complexity and invisibility.

Soil phosphorus as agricultural non-point source pollution is one of the main factors which led to water pollution.

The full parallax CGHs are generated by the point source method and the wave-oriented method without paraxial approximation.

The specific discharge is infinite at the vicinity of every point source or sink .

Infrared active fraudulent jamming is one of the most effective methods for antagonizing the threat of infrared point-source guided missile.

Airy disk brilliance (the brightness of a point-source stellar image) is proportional to the fourth power of aperture.

The electromagnetic propagation solutions of point source in a time-varying media of higher space were studied.

Now, there are two ways to measure the stray light, respectively, surface source method (black spot method) and the point source method.

The result indicated that eutrophication would not be induced in Baiguishan Reservoir without point source pollution.

As an effective tool to control non-point source pollution, constructed wetlands are increasingly recognized by many countries.

The point source model is used to deduce the boundary condition, and SIMPLE method is used to do the calculation.

The second part of the point source of the term for sending good luck and allusions.

Nitrogen (N) and phosphorus (P) are the two nutrients most often associated with mismanagement and non-point source pollution.

Therefore, the primary pollution control objective must be point source pollution and diffuse source of domestic wastewater in rural areas.

To do so, a straight line is defined between a point source of light and a detector.

The situation on agricultural non-point source pollution was presented by the scene investigation, sampling and analysis in the laboratory.

In actual practice a brighter image is obtained by using a broad, rather than a point, source along with a substage condenser.

Finally, the dose distribution around a point source and a linear source is described.

Nitrogen fertilizer application inducing non-point source pollution is the main reason for groundwater contamination in the area.

This resolution enhancement has been demonstrated in the imaging experiment with a double-point source.

Non-point source pollution is one of major reasons resulting in bad quality of water, so human has paid great attention to it.

The main causes of non-point source pollution are agrochemicals and waste from livestock and poultry and aquiculture .

Point source pollution comes mainly from industrial facilities and municipal wastewater treatment plants.

With the effective control of point source pollution, non-point source pollution becomes the main factor of water pollution.

The non-point source pollution is a serious problem in the water environment, with natural source developed and economic developing.

So the agricultural non-point source pollution has been considered as the main pollution source of eutrophication.

So, the excessive application of organic fertilizer had very big influence on agricultural non-point source, pollution.

It is common to use mathematical models to estimate how point source discharges influence concentrations within receiving waters.

They are free from spherical aberrations, and thus focus the parallel beam to a point or point source to infinity.

The point-source measurement of XFC exposure-time is set up. The dynamic gain is defined based on the XFC principium .

When properly managed, wetlands can help prevent non-point source pollution from degrading water quality.

Non-point source pollution is the Nation's leading source of surface water and ground water quality impairment.

Agricultural non-point source pollution and runoff had close linearity correlation in the River watershed.

To calculate average perennial load of non point source pollution, a direct measurement method is developed.

The agricultural Non-Point source pollution is a ubiquitous environmental question in the whole world.

The illumination condition using the free reflector was ray tracing simulated with point source and extended source, respectively.

first of all , the vertical mixing law of point source in the river is studied.

On the basis of the result, the control scheme of non-point source pollution in Huangpu River was put forward.

The agricultural non-point source pollution had become the main cause of rural environmental deterioration in China in recent years.

It is difficult to estimate the discharges of the pollutants produced by agricultural non-point source accurately.

He reduces a vast, complicated tangle of problems to a single point source of evil: the Communist Party.

Of or relating to light emitted from a point source and reflected or refracted from a curved surface.

This light is a point source. The light has a position in space and radiates light in all directions.

Our results show that point source, finite fault and multi-sources are well reconstructed.

First, a variational equation is given for the electric field on a 3-D geoelectric section caused by a point source.

He suspected an outbreak that concentrated would probably involve a single point source.

Non-point source pollution loading calculating.

It is worthy wide generalized a technics in the process of pollution treatment for agriculture and country non-point source pollution.

Agricultural non-point source pollution has become one of the most important sources of the world's water pollution.

So it is necessary to analyze and evaluate the cost and benefit of BMPs applied in agricultural non-point source pollution prevention.

Consider first a light wave spreading out from a point source.

And the importance of controlling agricultural non-point source pollution was expounded.

Control of agricultural non-point source pollution (AGNSP) is very important for improving water quality in watershed.

Therefore the study on non-point source pollution in Dagu watershed has very high theory value and realistic meaning.

Research work on agricultural non-point source pollution caused by soil erosion is a hot-point issue in recent 20 years.

With more control of point source pollution, nonpoint source pollution attracted more and more attention.

How to regulate "non-point source" pollution, such as pesticides from agricultural run-off, is a continuing, and harder, debate.

A project has been set up to study the non-point source pollution on Zhuhai city.

The problems for surface water environment pollution caused by agricultural non-point source are very serious in our country at present.

Study on the infiltration characteristic and the mathematical model of the point source free infiltration under film hole irrigation

Allocation Methods of the Total Amount for the Atmosphere Pollutants of Point Source in Cities and Progress in Methods

The Concentration Distribution of Fractional Anomalous Diffusion Caused by an Instantaneous Point Source

Non-point-source Nitrogen Movement and Its Environmental Effects in a Small Watershed in Hilly Area of Purple Soil

The Near Field Frequency Domain Solution of a Rotating Point Source in a Close Cylindrical Cavity

Simulation study of non-point source pollution under different landuse in Guanting Reservoir watershed

Study on vertical mixing law of continuous point source in nature river and its application

Frequency Domain Solution of a Rotating Point Source in an Infinite Duct

The Best Management Scheme on Urban Non-point Source Pollution and Its Application in Shanghai City

Environmental pollution; Non-point source pollution; Agricultural non-point pollution; Non-point pollution prevention and control;

External Diseconomy of Agricultural Non-point Source Pollution and Its Internalization

After point source pollution being controlled effectively, agriculture non-point source pollution has become a leading pollution source;

Flow Properties of a Dusty-Gas Point Source in a Supersonic Free Stream

Agricultural non-point source pollution and its countermeasures in the western regions

Agricultural Non- point Source Pollution and Its Control Measures in Jiangxi Province

The relationship between husbandry and non-point source pollution and the exploration of its control

A Hydrological Method for Estimation of Non-Point Source Pollution Loads and Its Application

Application of the free molecule point source model to the plume field with nonuniform outlet conditions

Non-point source characteristics of newly-built urban residential area and countermeasures for its water pollution control

Impact Study of Agricultural Non-Point Source of Nitrogen and Phosphorus to Water Environment

Research on maize high-yielding culture mode with applying fertilizer in extractive quantity to control non-point-source pollution

Regional difference and countermeasures of agricultural non-point source pollution in Jiangsu Province

Nitrogen Removal Efficiency of Integrated Constructed Wetland for Agricultural Non-point Source Sewage

Exerting of Engineering Technique in Prevention and Caring Agricultural Non-point Source Pollution in Developed Areas

Numerical simulation and validation of soil water movement under subsurface drip irrigation with point-source emitter

Pollutant Source Analysis and Pollution Loads Estimation from Non-point Source in Chongqing Three Gorges Reservoir Region

Landscape management practices for the control of non-point source pollution: methods and principals

Comparative Study on the Dynamics of Non-point Source Pollution in a Heterogeneous Landscape

Research of Agricultural Non-point Source Pollution Issue and Prevention and Cure Countermeasures in Fujian Province

Wetting front characteristics under film single hole point source infiltration of fertilizer solution

Application and Progress in Engineering Technologies for Controlling Urban Non-point Source Pollution

Study on Transport Characteristics under Film Hole Single Point Source Infiltration of Fertilizer Solution

Analysis of the Spatial Spectrum and Recording Capability of the Digital Holography with Point Source

Optimal Design of Best Management Practices to Control Agricultural Non-point Source Pollution in Chinese Watershed

Application of Photosynthetic Bacteria to Agricultural Non-point Source Pollution Control

Employing remote sensing to analyze non-point source pollution problems in riparian buffer strips of guanting reservoir

The Algebra Testify and Experiment Validation of Effective HemisPhere Model for Point Source Infiltration

Experimental Investigation of Heat Transfer in the Limit Thickness Samples Under Laser Point Source Irradiation

Agricultural Non-point Source Pollution and Its Tactics of Preventing and Curing

Identification of critical source areas: an efficient way for agricultural non-point source pollution control

The Control and Implementation of the Scenery Picture Projected by Point Source of Light

Lidar Measurement of Ammonia Concentrations and Fluxes in a Plume from a Point Source

Projection pursuit based correspondence factor analysis method of watershed non-point source pollution

Study of SWAT Model on Agricultural Non- Point Source Pollution under GIS

Simulation and Verification of the Dynamic Micro-Deformation under Laser Point Source

Propagating Solution of Point Source Excitation Electromagnetic Wave in from Time-Varying Media Sphere Space

Application of modified export coefficient method in polluting load estimation of non-point source pollution

Three dimensional shape reconstruction from near-field data under acoustic point source scattering

Control and Ecological Regulating Techniques of Agricultural Non-Point Source Pollution

Assessment and Strategies for Watershed Agricultural Non-point Source Pollution Control

Approach for Agricultural Non-point Source Pollution Sensibility Assessment

Means for Controlling of Agricultural Non-point-source Nitrogen Contamination in the Under-middle Changjiang Area

Evaluating and Clustering Analysis of Non-point Source Pollution in Chongqing Three Gorges Reservoir Region

Extracting Topographic Structure from DEM in GIS and Application of DEM to the Simulation of Non-Point Source Pollution

Research advances of point source infiltration under film hole irrigation with sufficient water supply

The Research of Nitrogen and Phosphorus Non-Point Source Pollution of Different Land Use in Huzhou Area, Zhejiang province

Discussion on Charge Policy for Governance of Agricultural Non-point Source Pollution in Dianchi Watershed

Spatial Variability of Non - point Source Pollutants Within a Multi - pond System

Experiment Study on Electrical Field Distribution of Cylinder Volume Conductor with Point Source

Water-Saving Irrigation and Non-point Source Pollution Management in Small Watershed of Irrigation System

Application of Constructed Wetland in Agricultural Non-point Source Pollution Control

The Influence of Intermittent Water Application by Point Source on Wetted Soil Volume and Soil Water Distribution

Changing Tendency and Control Measures of Regional Agricultural Non-point Source Pollution

Experimental Research about Dripper Discharge Design Mode for Point Source Drip Irrigation

Protection measures of rural river eco-environment: non-point source pollution control in watershed

Difference of Scheme's Influence on Numerical Prediction of Contamination Diffusion of Point Source

Economic Approach to the Control of Agricultural Non-Point Source Pollution in China--A Case Study of the Miyun Reservoir in Beijing

Environment Assessment Study on the Fine Breeze Models of Atmosphere Dispersion for Smokes Point Source

Non-point Source Pollution of Main Rivers Situated in the New Development Area ofPudong and Its Countermeasures

Study on watershed distribution of agricultural non-point source pollution in typical areas of Shanghai

Discussion on Separation Method of Pollution Delivery Value from Non-Point Source and Point Source in River Control Section

Estimation of non-point source pollution loading on Tongguan section of the Yellow River;

Biogas Technology for Control and Prevention of Multiple Non-Point-Source-Pollution in Agriculture

Accumulation of non-point source pollutants in ditch wetland and their uptake and purification by plants

Research Progress and Prospect of Surface Water Environmental Non-Point Source Pollution

The Comparison of Point Source between US AERMOD Model and China Recommended Model of Atmosphere Guideline

Treatment and Controlling Measures on Agricultural Non-point Source Pollution

Research on the Application of Tradable Emissions to Agricultural Non-point Source Pollution

Application of partial least square regressive model in estimating the load of non-point source pollution

Using best management practices to control agricultural non-point source pollution

Structure of image fields in an aplanatic optical system with coherent point source illumination

Investigation of point source pollution in Zhangjiakou City on upper Guanting Reservoir

Environment Assessment Study on the Calm Models of Atmosphere Dispersion for Smokes Point Source

The Controlling Effects of Shelter Forest on Non-point Source Pollution of Agricultural Lands in Taihu Lake Area

On countermeasures for agricultural non-point source pollution control in Chaohu Lake Basin

Discussion on the Green Tax Stimulation Measure of Nitrogen Fertilizer Non-point Source Pollution Control - Using the Dongting Lake Area

Research progress of the agricultural non-point source pollution

Rainfall deduction method for estimating non-point source pollution load for watershed

Feasibility Study on Zero Tillage of Paddy Rice by Domestic Wastewater to Reduce Non-point Source Pollution

Monitoring on Loss Characteristics of Non-point Source Pollutants--An Case Study at Zhengkeng Watershed in Zhuhai City of Guangdong Province

Acoustic field excited by centered point source in well bonded cased calibration boreholes

Development of a Low-Energy Electron Point Source Microscope and Some Initial Experimental Results on It

Quantified Study on Inorganic Nitrogen from Non- point Source Pollution in the Xiaoqing River Basin

Design of computer programs for measurement model of air pollution point source diffusion

Application of Point-source Analysis Model in Screening Toxic Nuisance in Mine Wastewater

Diffusion from a point source in an urban atmosphere

The influence of soil texture bulk density and water applied methods on point source infiltration

Integrated Assessment of Non-point Source Pollution in Songhuajiang River Basin

The total quantity control of non-point source pollution in Suzhou creek based on GIS

Research Progress and Prospect on Non-point Source Pollution Models in Water Environment

Model verification of water and nitrate transport from a surface point source

Emulation of the Anti-Radiation Missile With Dual-Point Source Decoying

The Ecosystem Management Technology of Non-point Source Pollution Control

Present Status Analysis to Non-point Source Pollution in Danjiangkou Reservoir

Current Situation and Prospect of Control and Management on Non- Point Source Pollution

Design and application of integrated non-point source management system for river basin

The Electric Potential of a Conductor Ball in the Electric Current Field of a Point Source

A New DOA Estimation Approach for a Broadband Point Source

Estimate the Loss Load of Non-point Source Pollution by Soil and Water Loss in Heihe Basin of Shannxi Province

Uniqueness and Numerical Methods for Point Source Pollution of Watershed

Application of Constructed Wetland in Non-point Source Pollution Control

Inverse Obstacle Scattering Problem for Point Source Excited Wave Fields

The impact of non-point source pollution to water environment in Nenjiang River upstream basin

Uncertain affecting factor of the non-point source pollution load

A Study on Soil Phosphorus Non-point Source Pollution and Environmental Influence

Strategies and Progresses on Modeling Non Point Source Pollution Coupled with GIS

Non-point Source Pollutant Concentration in Typical Towns of Taihu Upriver Region

Electric Potential of a Superconductor or a Conductor Sphere in Electric Current Field of a Point Source

A landscape ecological approach for urban non-point source pollution control

Research Survey and Prospect of Agricultural Non-point Source Pollution

Convert Daylight Image to Night Image Using a Point Source as its Imaging Optical Source

Effects of Agricultural Non-point Source Pollution on Eutrophica-tion of Water Body and Its Control Measure

Analysis of the Coherent Dual Point-Source to Decoy an Anti-Radiation Rocket

Impacts of the Urbanization on Waters Non-Point Source Pollution

Agriculture Non-point Source Pollution and Control Measures of Qiandao Lake Area

A Method for Plotting Watershed Unit of Non- Point Source Pollution from Agriculture

Advances in the prediction models of agricultural non-point source pollution

Application of GIS in Researches on Agricultural Non-Point Source Pollution

Pollution and Control of Agricultural Non-point Source on Water Environment

Constructed Wetland Applied in Non-point Source Pollution Control

The Study of Basic Characteristics Under Subsurface Point Source Infiltration in Soil

Temporal-Spatial Changes of Non-point Source Nitrogen in Upper Reach of Yangtze River Basin

Countermeasure and Pollution Characteristics of Non-point Source Pollution in Fuxianhu Lake

Research on Non-point Source Pollution Control Technology for Dianchi Lake

Research Progress of Calculation and Control of Non-point Source Pollution

An Inexact System Programming for Agricultural Land Utilization Based on Control of Non-point Source Pollution in Wuchuan Catchment

Study on Urban Non-point Source Pollution and Its Control

Seminar on Protection of Soil and Aquifers against Non-Point Source Pollution;

Quantity of Nitrogen from Non - Point Source Pollution in Taihu Lake Catchment

Application of Spatial Clustering in the Study of Agricultural Non-point Source Pollution

Simulation of Continuous Point-source Puff Dispersion

Numerical prediction of point source far-field noise in stationary medium

Zoning Planning in Non-Point Source Pollution Control in Hanyang District

The effect of intermittent water administration by point source on infiltration patterns

Study on Point Source Infiltration Model under Adequate Water Supply

Analysis on characteristics of urban non-point source pollution

Non-point Source Pollution Control Projects and RelativeFinancing Mechanism in Taihu Lake

Effect of Agricultural Non-Point Source Pollution on Water Environment

Study Progress of Phosphorus Non-point Source Pollution in Farmland

Model Research Survey of Non- point Source Pollution of Agriculture

Calculation and analysis of the non-point source pollution of Zhuganhe watershed

Acoustic Solution of Rotating Point Source in Frequency Domain

Regular Pattern of Non-Point Source Pollutants Losses in Luxi Watershed

Effects on WEIHE Water Body by Agricultural Non -point Source Pollution

A new algorithm for detecting and tracking dim point-source target in image sequences

Study on Non-point Source Modeling of Suzhou Creek Water System and Application

An Application of Eco-Concrete for Urban Non-Point Source Pollution Control

Application and Analysis of GIS-Based Non-point Source Pollution Model

Brief Talk on Village Non-point Source Pollution in Dianchi lake Watershed

Study on Stockbreeding of Chaohu Lake Basin and Non-point Source Pollution

Software Development of Many Point Source Noise Isoline

Non-point source modeling system of the Miyun Reservoir watershed

Impacts of Non-point Source Pollution on the Water Environment of Xitiaoxi Watershed, Upper Taihu Basin

Random model of point source of noise for prediction of noise affection of underground garage

Non-point-source Pollution and Water Quality Deterioration in Er Hai Lake

Experimental study on soil water movement from a point source

Advances in non-point source pollution prediction model

Analysis of Non-point Source Pollution: Impact Factors

Non-point source pollution control in agriculture

Non-point Source Pollution Analysis in Plain River Net District

A Non-point Source Pollution Model Applying to Large-medium Scale Basin

Control measures of non-point source pollution in urban river areas

Agricultural Non-point Source Pollution in Wuliangsuhai Valley

Non-point Source Pollution of Nitrogen in Agriculture

Evaluating urban non-point source pollution load

The Rule of Phosphorus Load with Runoff in Purple Soil by Not- point Source Way

Non-point source pollutions and controlled countermeasure of water environment in Jiangxi

Study on Non-point Source Pollution Control in the Huangpu River Basin

Control of agricultural non-point source pollution in Xi'an city area

Research progresses in agricultural non-point source pollution caused by soil erosion

Status and Prospects of Models for Non-Point Source Pollution

The Advance in Theory and Models of Point Source Infiltration

Numerical model of GIS -aided point source pollution

Application of Non-point Source pollution model

A Quantitative Study on Non -Point Source Pollutant Loading Based on Storm Runoff Monitoring Results

Non-point source solution and control measures in Yongdinghe basin in Hebei province

Control Divisions of Agricultural Non-point Source Pollution at Watershed Scale Based on GIS and Models

Progress of Water Environmental Non-Point Source Pollution Study in Rural of China

Effects of land use structure on non-point source pollution

Calculating Agricultural Non-point Source Pollution Load Based on Watershed Unit