这种情况似乎是由许多因素的累积的结果，而大气污染物是主要的罪魁祸首。
The condition appears to result from the cumulative effect of a number of factors, with atmospheric pollutants the principal culprits.
过氧乙酰硝酸盐是一种重要的大气污染物。
The peroxyacetyl nitrate is an important atmospheric pollutant.
尽可能减少化学制品和大气污染物的吸入。
氮氧化物是主要的大气污染物之一。
对这种大气污染物的暴露，通常发生在工业区和化学工业中。
Exposure to this atmospheric pollutant usually occurs in industrial situations and in the chemical industries.
大气污染物总量控制是控制城市大气环境污染主要管理手段。
Total air pollutant emission control planning is a major urban environmental management approach.
凡是向已有地方排放标准的区域排放大气污染物的，应当执行地方排放标准。
Units that discharge atmospheric pollutants in areas where the local discharge standards have been established shall observe such local standards.
用三乙醇胺做吸收液，同时捕集多种大气污染物，其吸收率较高。
Using triethanolamine as absorption solution to capture various air pollutants simultaneously in one sample, it's absorption efficiency 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.
文中用量纲分析方法分析了控制大气污染物输送方程的动力学特性。
The dynamic characteristics of atmospheric transport equation of air pollutants are analyzed by the scale analysis in this paper.
提出用标度表示大气污染物分指数和大气环境质量综合指数新概念。
New concepts of the scale partial index of air pollutants and the scale integrated index of air environmental quality are suggested.
大气污染物总量控制是保证工业区未来大气环境质量达标的重要举措。
Atmospheric pollutant of total load control is the most important measure to assure the future atmospheric environmental quality standard of industrial zone.
方法用多源扩散数学模型计算健康调查区域内的大气污染物历史暴露浓度。
Methods The air pollutant exposure concentration in history were calculated with the multi - source proliferation mathematical model.
本文阐述了油田所处城市的大气污染物的来源和危害并提出一些相应的治理措施。
This paper elaborates the sources and harms of the atmospheric pollutants in the cities which oil fields are located in and proposes some corresponding treatment measures.
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.
和传统的监测方法相比，利用植物监测大气污染物是一种经济、简便而且可靠的方法。
Monitoring air pollutants via plants is an economic, convenient and credible method compared with the traditional ways.
随着城市大气污染的日益严重，如何利用植物来净化大气污染物越来越受到广泛关注。
With urban air pollution being more and more serious, it is very important that how to use plant to purified air pollutant.
依据植物对大气污染的反应方式来选择城市绿化树种是减轻大气污染物的重要途径和手段。
To select urban tree species according to reaction mode of plant upon air pollution is a very important approach and means to reduce air pollutant.
结论利用多源扩散数学模型是研究健康调查区域内大气污染物历史暴露浓度的一种可行方法。
Conclusion It is an effective method to use multi - source proliferation mathematical model for studying the pollutants exposure concentration in atmosphere of the health survey region in history.
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.
目前，在大气环境影响评价中，区域大气环境容量的研究是实施大气污染物总量控削的前提。
Recently, in the atmospheric environment impact assessment, the study of the atmospheric environment capacity is the precondition of carrying out total capacity control of the atmospheric pollutants.
本文分析了影响大气污染物扩散的各种因素，讨论了主要因素对大气污染物扩散的影响趋势。
The various affecting atmospheric pollutants diffusion is analyzed and the effect tendency of primary factor to atmospheric pollutants diffusion is discussed.
植物叶片内大气污染物含量既可反映大气污染的水平又可反映植物对大气污染的修复吸滞能力。
The content of air pollutants in the leaves of planting trees can reflect degrees of air pollution and ability of absorbability of planting trees for air pollutants.
目的根据区域大气污染源分布研究确定区域大气污染物历史暴露浓度，确定健康调查工作范围。
Objective to study distribution of air pollution source, determine the historical exposure concentration of air pollution in the region, and assure the work scope of health investigation.
工程上应用的大气污染物扩散模式中，熏烟模式由于其非定常性而与其他扩散模式有很大的区别。
The atmospheric pollutant dispersion models applied to engineering greatly differs from other dispersion models due to their unsteady flows.
植物叶片内大气污染物含量既可反映大气污染的水平，又可反映植物对大气污染的修复吸滞能力。
Content of air pollutants of leaves of planting trees can show degree of air pollution, ability of remediation, and absorbability of planting trees for air pollutants.
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.
论述了几种主要大气污染物的性质、来源及其作用机理，并探讨了大气污染物对人体健康的影响及危害。
The article summarizes the characters, resources and action principles of main air pollutants, and it also discusses the effects on people's health.
结果表明：绿化树种对大气污染物具有一定的吸收净化能力，并依污染气体和树种的不同具有明显差异。
The results show that the planting tree has certain absorption and purgation ability to atmospheric pollutants, and which widely varies with pollutant gas and planting tree.
结果表明：绿化树种对大气污染物具有一定的吸收净化能力，并依污染气体和树种的不同具有明显差异。
The results show that the planting tree has certain absorption and purgation ability to atmospheric pollutants, and which widely varies with pollutant gas and planting tree.
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