“令人震惊的是，污染物浓度呈抽脂-滴落状，”佩恩说。
"That's where the shocking, sort of draw-dropping concentrations exist," Mr Payne said.
空间上，经济活跃、人口密集点污染物浓度高。
On spatial, there are high pollutants concentrations in active economic areas with high density of population.
研究了车内污染物浓度随时间和温度的变化趋势。
The trend of variation in concentration of in-car pollutants with the change in time and temperature is studied.
空气品质标准：指室外空气中空气污染物浓度限值。
Air quality standards means concentration limits for air pollutants in outdoor air.
控制废水排放的传统方法是控制排放的污染物浓度。
Traditionally, discharge of wastewater is controlled on the basis of prevailing standards of the concentration of pollutants in wastewater.
目的了解装修后办公室室内污染物浓度的变化特征。
Objective To study tendency of air pollutant concentration in decorated office.
介绍了规模化养猪场的废水来源，废水产生量及污染物浓度。
The article introduces the source of the wastewater of a large-scale piggery farms, wastewater production and the pollutants of the concentration.
结果表明：污染物浓度在海域内呈由西北向东南方向递减的趋势；
The results showed that the concentration of the pollutants declined from northwest to southeast.
柠檬酸生产废水产生量大，污染物浓度高，属难处理的有机废水。
The quantity of citric acid-production wastewater is large, and concentration of pollutant in wastewater is high.
本章论述几种有关各种排放源的大气污染物浓度分布的估算方法。
This chapter describes methods of estimating airborne pollutant concentration distributions associated with various emission sources.
同时，贴地大气层结温度递减率与空气污染物浓度呈显著反相关。
At the same time, the correlation coefficient between temperature vertical decrease rate of low layer atmosphere and air pollutant concentration is negative.
在边界层顶附近，污染物浓度分布较均匀，分布趋势和气流一致。
Near the top of PBL, the distribution of pollutants follows the wind.
结果：重庆市各主要交通干道尾气污染物浓度均超过国家环境卫生标准。
Results: the exhaust pollutant in the main roads in Chongqing exceed the national environmental health standard.
采用卷积分模型成功预测计算了危险品泄漏后河流中污染物浓度的分布。
Rolling integral model is used successfully in predicting the distribution of pollutant concentrations along a river at different time after an accident of danger leakage.
利用人工神经网络技术设计了一段式计算路侧道路交通污染物浓度的模型。
A model was developed to estimate the traffic pollutant concentrations along roadside in one step with artificial neural network technique.
胶州湾周围河流中上述污染物浓度远远高于湾内，其中墨水河污染最严重。
The phenolic pollution in the adjacent rivers is much more serious than within the Bay and the Moshui river is the most seriously polluted.
随着降雨历时的延长，降雨径流中主要污染物浓度均逐渐下降并趋于稳定。
The concentrations of pollutants in runoff descend with the time and tend to be stable.
根据分析结果，以车密度为主要变量，建立了高架道路污染物浓度分布模式。
Then the distribution model of elevated road pollutant concentration was established, taking vehical density as the main variable.
相应地，一个较高的次生污染物浓度将稳定地维持在一个较长的下风距离上。
Appropriately, a higher concentration of the secondary pollutant is stably held for a longer downwind distance.
Witte提醒道：“官方取消交通管制措施后，大气污染物浓度旋即反弹上扬。”
"After the authorities lifted the traffic restrictions, the levels of these pollutants shot right back up," Witte noted.
结果表明：污染物浓度的峰值一般提前或同步于径流量的峰值，初期径流污染较重；
The result shows that the peak of pollutant concentration is ahead of or synchronous with that of runoff, and heavy pollution occurs in initial period of storm runoff.
灌溉退水中部分污染物浓度较灌溉水上升，个别单项指标超标，但不构成综合污染。
The concentrations of some pollutants in the outflow are higher than those in the irrigated water. The water is not comprehensively polluted with few indices beyond the standard.
针对污染物浓度方程提出了一种计算速度较快、精度较高的计算格式无网格九点差分格式。
A numerical scheme named meshless nine-point difference method which has rapid calculating speed and high precision is proposed.
在成因分析的基础上，建立了大气污染物浓度预测的参数化组合算子模型，适应非线性问题。
Based on the analysis of contributing factors, a model of parameterized combination operator in air pollution forecasting is presented, which is suitable to nonlinear problems.
近年来将BP网络模型应用到大气污染浓度预报中，并建立了大气污染物浓度的神经网络预报模型。
Recent years, BP model has been applied to atmospheric pollution forecast, a neural network prediction model of atmospheric pollutant concentration is set up.
该法以等斜率方式构造白化函数，拓展了白化函数中污染物浓度的取值范围，有较高的信息利用率。
White functions on the basis of equal-slope method are established, and value range of pollutants in white function is expanded with full use of information.
路面雨水径流污染最严重，尤其是初期雨水各污染物浓度明显高于屋面和绿地径流中的污染物浓度；
The road runoff is most seriously polluted , especially in the early rainfall the pollutant concentration was significantly higher than concentration in roof runoff and lawn runoff.
为了找到污染物浓度和机动车数量的关系，科学家们在北京的主要路段设置了微波雷达记录每小时机动车的流量。
To study the correlation between pollutants and traffic, microwave radars have been installed at main roads in Beijing to count the vehicles on the road each hour.
研究人员的最终目标在于利用卫星数据评估并提炼出当地及地区的模型，从而预测污染物浓度对污染排放的反应。
Ultimately, researchers aim to use satellite data to evaluate and refine local and regional models to predict how pollution levels respond to changes in emissions.
结果表明，随着污染负荷和补水本底污染物浓度的增加，环境需水量分别成近似线性和指数函数增加；
Results showed that, the environmental water demand almost linearly increased with the pollution loading, and exponentially increased with the pollutant concentration of the supplemental water.
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