nmhc

Relationship between THC and NMHC from Motor Vehicles on Urban Main Road

城市道路机动车排放总烃与非甲烷烃的关系

Study on NMHC in Shanghai Atmosphere and Vehicle Exhaust Emission

上海市大气中非甲烷烃与机动车尾气排放研究

Source Characteristic Risk Analysis and Control Measures of NMHC

NMHC的源特征风险分析及控制对策

Analysis of NMHC in Atmosphere of Petroleum Storage Area

对油品仓储区大气中NMHC特征的监测分析

Simulation research of photochemical ozone creation potential of NMHC

非甲烷碳氢化合物的光化学臭氧生成潜势的数值模拟研究

Numerical Simulation of The Effect of Biogenic NMHC on Ozone

生态NMHC对臭氧影响的数值模拟研究

The Optimization of Monitoring Sites of NMHC Pollutants in the Air of Changchun City

长春市空气中NMHC污染物监测点位的优化

Our result indicates that the main NMHC source is biogenic emission from vegetation .

研究表明，NMHC的主要来源是当地植物的排放。

Gaseous non-methane hydrocarbons ( NMHC ) emitted from petrochemical industry and countermeasures

石油化工生产排放的气态非甲烷烃及其防治对策

The preliminary analysis shows that the O_3 concentration is sensitive to non-methane hydrocarbon ( NMHC ) .

初步分析认为，地面O3对非甲烷碳氢化合物（NMHC）的变化很敏感。

The results show that the traffic and petrochemical industry are predominant manmade NMHC sources , and coal burning is the next .

结果表明，交通运输和石油化工是对大气中NMHC贡献最大的人为源，其次是燃煤工业。

As one important predecessor of photo-chemical smog and ozone , non-methane hydrocarbon 's ( NMHC ) emission is paid great attention .

光化学烟雾和大气臭氧形成的重要前体物之一&非甲烷烃（NMHC）的排放受到研究者的热切关注。

The proportion of CO and NMHC emitted from motorcycle and engine boosting bicycle was more than 20 % of vehicle emissions in central urban area .

摩托车和助动车的CO、NMHC排放量占中心城区机动车排放的20%以上。

The O3 concentration is not positively correlated with temperature , and the values of [ NMHC ] 0 / [ NOx ] 0 also has effect on it .

O3的生成量与温度并不呈正相关关系，也受[NMHC]0/[NOx]0比值的影响。

In addition , the distribution of the pollutants was affected by the natural emissions because of the different meteorological conditions , pollutant emissions and NMHC / NO_x ratios in different regions .

浓度变化在夏季明显强于其它季节.自然源对中国地区光化学污染物空间分布有不同程度的影响，这种影响同区域气象条件、源排放和NMHC/NOx比值等因素有关。

Considering for the different sources of these samples , the emission character of atmospheric NMHC is analysed , from which the typical NMHC species in atmosphere of Yanshan is estimated .

本文还参照各大气样品的不同来源，分析了NMHC的排放特征，从而确定了燕山石化区NMHC排放的典型物种。

The results showed that the concentration diural variation of NMHC in ambient air in Shanghai was obvious bimodal type , i. e. the concentration peak occurred once at 8:00-10:00 and 15:00-17:00 respectively .

实验结果表明，上海市大气中NMHC的浓度日变化有比较明显的双峰形规律，即8：00～10：00和15：00～17：00各出现一次浓度高峰。

By using numerical simulation method , the effect of biogenic non-methane hydrocarbon ( NMHC ) on surface layer ozone in east China in summer are investigated and the importance of biogenic . NMHC to atmospheric chemistry system are illustrated .

本文利用数值模拟方法的方法，研究了夏季我国东部生态系统排放非甲烷烃（NMHC）对近地层臭氧的影响，闸明了生态NMHC在大气化学系统中的重要作用。

The results showed that ozone and PAN in most area of east China were increased by biogenic NMHC , the average maximum increment of ozone and PAN were 9 ? ppb and 0 6 ? ppb respectively .

研究结果表明，生态NMHC使我国东部大部分地区臭氧和PAN增加，最大平均增量分别为9ppb和06ppb；

The relations of the diurnal peak of photochemical ozone and its occurring time to the ozone precursors ( NMHC , NOx ) and the ratio of NMHC / NOx are researched by using an atmospheric photochemical box model .

应用大气光化学模式研究了日最大臭氧体积分数及其出现时刻与其前体物NMHC、NOx体积分数及NMHC/NOx比值的关系。

To explore the indoor air quality of Peking university , the concentrations of carbon monoxide ( CO ), carbon dioxide ( CO 2 ) and non methane hydrocarbons ( NMHC ) in the indoor air were measured in different types of rooms of Peking university .

为了解北京大学园区室内空气质量，对园区不同类型房屋内CO、CO2与NMHC（非甲烷烃）浓度进行测定。

The results indicated that there were strong sources of NMHC and sources of NOx in Shanghai atmosphere which accounted for high NMHC / NOx ratio and caused the atmosphere highly active . Photochemical smog will be formed at high probability when there is sufficient sunshine .

研究结果表明，上海的大气环境中，有NMHC强源和NOx源，造成了NMHC/NOx高比值的环境，使大气具有较强活性，在阳光允足的条件下，极有利于光化学烟雾的形成。