composite concentration of exhaust emission

In this paper, with the reference to the velocity of discharge, the average emission concentration and the emission characteristics of the gaseous pollution sources, three sampling methods: integral method, integration by parts and finite summation approximation are derived, which are employed in monitoring of pollution sources.

依据气态污染源共同的排放特性及平均排放浓度,排放速率的概念,导出气态污染源监测中常用的三种采样方法:积分法、分部积分法、有限加合近似法。

The renovated precipitator has considerably improved dust removal of the machine with dust emission concentration lower than 150mg/m 3 , the standard limit regulated by the national standard of air pollutants emission for cement plant.

太原市狮头水泥集团公司对粘土烘干机除尘系统进行了改造,改造后粉尘排放浓度低于国家建材行业规定的150mg/m3,不仅为公司创造了巨大的经济效益,同时大大改善了西山地区的大气环境质量。

An on-the-spot test on the emission concentration of cooking fume was made with two different methods and analysis done on its components by sampling experiment method.

采用两种测试方法对餐饮油烟的排放浓度进行了现场测试,通过现场采样实验室分析的方法,对油烟的成份进行了分析,并通过多种调研手段,对油烟的排放时间、排放高度、食用油种类等进行了统计分析。

The law governing the change of NOx emission concentration with such parameters as temperature,excess air factor,primary air rate and calcium/sulfur ratio etc.

在掺烧石油焦的410t/h循环流化床锅炉上就运行参数对NOx排放特性的影响进行了试验研究,阐述了燃用烟煤、70%烟煤+30%石油焦和50%无烟煤+50%石油焦等3种不同燃料时,NOx排放浓度随温度、过量空气系数、一次风率和钙硫比等参数变化而改变的规律。

Reduction of Dust Emission by Double-zone ESP

双区电除尘器降低锅炉烟尘排放浓度

Article 13 Where atmospheric pollutants are discharged, the concentration of the said pollutants may not exceed the standards prescribed by the State and local authorities.

第十三条 向大气排放污染物的，其污染物排放浓度不得超过国家和地方规定的排放标准。

Determination of Derived Limits for Radioactivity Concentration in Liquid Effluent Release from an Inland Nuclear Power Plant

确定内陆核电厂液态放射性流出物排放浓度限值基准的讨论

Reasearch on Engineering Application of Membrane Method Oxygen-enrichment Local Supporting Combustion Technique on Decreasing NOx Emission of Pulverized Coal Boiler;

膜法富氧局部助燃技术降低煤粉锅炉NOx排放浓度的应用研究

Research on Vehicle Exhaust Emission Concentrations&Ventilation System of City-highway Tunnel

城市公路隧道汽车尾气排放浓度的研究及通风方案的设计

Concentrations and Congener Profiles of Dioxins in Stack Gas and Fly Ash Samples from an Electric Arc Furnace

电弧炉炼钢过程中二噁英类的排放浓度和同类物分布

emission source HF analyzer

排放源氟化氢浓度分析仪

A new method to deuce the safe limits for pollution emission by calculating the concentration of per unit intensity of pollutant

利用单位源强浓度贡献确定排放限值

with respect to the control of pollutant discharge, concentration control will be replaced by a combination of the control of concentration and that of total quantity;

在污染物排放控制上，由重浓度控制转变为浓度与总量控制相结合；

Basic Study of the Secondary Pollutant Emissions from Incineration of the High Concentration Organic Waste Liquid;

高浓度有机废液焚烧二次污染物排放特性研究

Concentration of Lead in Atmosphere and Emission Characteristics of Pollution Sources in China

我国大气铅浓度水平与污染源排放特征

Effect of Velocity Difference of Two Channels in Biased Pulverized-coal Concentration Burners on NO_x Emissions

浓淡煤粉燃烧器双通道速度差对NO_x排放的影响

Measures for optimizing combustion to reducing NO_x emission concentration of boiler

优化燃烧降低锅炉NO_x排放质量浓度的措施

Major pollutants to be discharged(description, concentration and gross amount), the way of discharging(discharging place and whereabouts)(please indicate if exceeding the standard)

排放的主要污染物(名称、浓度和总量)、排放方式(排放地点和去向)(如有超标请注明)

Coal-Burning factories spewed dense dirty smoke

用煤作燃料的工厂排放出浓浓的黑烟。

the quantity and density of the pollutants under normal operational conditions.

在正常作业条件下排放污染物的种类、方式、数量和浓度.

stationary source emissions - determination of concentration and mass flow rate of particulate material in gas-carrying ducts - manual gravimetric method

固定污染源的排放-气载尘埃颗粒流量和浓度的测定-人工重力法

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。