pollutant concentration的例句大全

Pollutant concentration variation and analysis of causes in Eight Major Outlet of Pearl Rive

珠江八大口门污染物浓度变化及成因分析

Simulate the different conditions under the program and scheduling Xili reservoir flow and pollutant concentration field.

模拟了不同工况和常规调度方案下的西丽水库流场及污染物浓度场，并对结果（可直观仿真显示）进行了验证和分析。

the effect of initial pollutant concentration, volume, flow rate and initial ph values on diphenyl ketone degradation was discussed.

研究了浓度、体积、流速、pH等因素对二苯甲酮的降解效果的影响。

distribution of the atmospheric pollutant concentration over the district of dachang in nanjing suburbs

南京大厂区大气污染物的浓度分布

the layout of towns and factories should be decided by the knowledge of the local atmospheric pollutant concentration.

在进行城镇工业、生活区布局及厂址选择、规划设计中，也必须先了解该地区大气污染物随时间、空间变化的长期规律。

prediction of atmospheric pollutant concentration using artificial neural network

大气污染物浓度的神经网络预报

influence of precipitation situation on dilution of atmospheric pollutant concentration in harbin

哈尔滨市降水形势对大气污染物浓度稀释的影响

A pre-dicing method for calculating the distribution of pollutant concentration is proposed.

污染物浓度分布的预测方法.

This chapter describes methods of estimating airborne pollutant concentration distrubutions associated with various emission sources.

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.

We suggested that it was necessary to control pollutant concentration atsoure of leachate production.

结论:应从渗滤液产生的根源上控制污染物浓度.

A STUDY OF WATER QUALITY FORECAST IN THE WESTERN ZHI-FU BAY& Application of prediction model of mean pollutant concentration of closed bay to open one

芝罘西湾水质预测的研究&闭塞型海湾污染物平均浓度预测法在敞开型海湾的应用

Among some improvement, outside fresh air sends directly to those spots around cooking range and chef breathing section where pollutant concentration is beyond standard can meet oxygen requirement for gas combustion efficiently and dilute pollutant concentration there quickly;

以组合风幕送风方式将室外新风直接送到炉灶周围和厨师呼吸区污染物浓度超标部位，高效率地满足煤气燃烧需氧量要求、快速稀释超标部位污染物浓度；

The pollutant concentration is positively correlated with the traffic vehicle flow, and negatively correlated with the wind speed and the temperature.

污染物浓度与车流量成正相关，与风速、温度成负相关。

An Experimental Research into the Influence of Airtightness on Indoor Pollutant Concentration in Civil Buildings

民用建筑气密性对室内污染物浓度影响的实验研究

This paper analyses the daily data of pollutant concentration and meteorological data of Taiyuan in 2003, ex-pounds the relationship among space and time changes of pollutant concentration, pollutant concentration and meteorological conditions, refers reference for lightening and preventing air pollution.

对2003年太原市污染物浓度逐日数据和气象资料进行了分析，阐述了污染物浓度的时空变化和污染物浓度与气象条件的关系，为减轻和防止大气污染提供了参考。

The three predilection transference models of pollutant solve out the pollutant concentration with space-time distribution of fiber length according to calculating parameter.

根据确定的迁移模型计算参数，分别求解出三个简化迁移模型的浓度随时间和空间的分布情况。

Experimental study on vehicle density and pollutant concentration on Shanghai elevated road

上海市高架道路车辆密度与污染物浓度的实测研究

Based on both the modified clustering model and GM ( 1,1) model, the concentration threshold model of each pollutant is established to calculate the critical value with the environment aim at attaining the standard grade.

结合修正聚类分析模型及灰色预测GM（1,1）模型，建立了污染物达标浓度阈值计算模型，从而可确定系统内各因子在达标这个环境目标下的浓度临界值，即目标总量控制值。

Considering mass balance of pollutant materials, a theoretical formulation is derived for describing time variation of CO concentration in indoors by introducing mixing factor and decay rate.

在引入了室内污染物混合因子概念并考虑到浓度衰减效应后，根据污染物质量平衡关系，从理论上导出了一个预测室内气态污染物浓度随时间变化的公式。

the application of concentration forecasting of air pollutant based on bp neural network in matlab

基于Matlab的BP神经网络在大气污染物浓度预测中的应用