Exhaust emission of vehicle engines is one of the primary air pollution sources.
车用内燃机的废气排放是大气污染的主要污染源之一。
This article summarizes the major indoor air pollution sources and major pollutants.
本文概括了室内空气污染的主要污染源及主要污染物。
Recently, cooking fume is one of the most important air pollution sources in many cities.
近年来，饮食业油烟污染已成为城市大气污染的主要来源之一。
The making an investigation of air pollution sources is a difficult thing for prediction of urban air quality.
污染源清单的建立是目前城市大气污染浓度预报中的一大障碍。
The air pollution sources in the car are analyzed in detail, in which 11 typical pollutants are singled out as objective assessment factors.
对轿车内的污染源作了详细的分析，并由此选择了11种污染物作为车内空气品质客观评价的评价因子。
From the analysis of main air pollution sources, important applications of plants in controlling indoor air pollution are given in this paper.
从分析室内空气污染的主要来源入手，论述绿色植物在控制居室空气污染方面的重要作用。
It can be used not only to measure smoke concentration and particle collection efficiency, but also to monitor various air pollution sources. Hence its broad prospect of application.
它不仅可以用来测试各种烟尘的浓度、环保设备的收尘效率，而且可用于各种烟尘污染源的监控，故具有广阔的应用前景。
The concept and method of exposure efficiency are used to precisely estimate the pollution intensity at a specific region resulted by various air pollution sources of industrial sectors.
为了精确地估算产业部门不同类别与特征的大气污染源对指定区域的污染强度，采用暴露效率概念及其研究方法。
Although the research station is far from major sources of human pollution, atmospheric circulation brings air from Europe and North America into the Arctic region.
虽然这个研究站远离人类主要的污染源，但是大气环流会把欧洲和北美的空气带到北极地区。
There are many sources of air pollution; exhaust fumes, for example.
空气污染有许多来源，例如废气。
For example, when burned in vehicles, even the most ecologically acceptable sources of ethanol create air pollution that will cause the same mortality level as when gasoline is burned.
举例来说，如果作为汽车燃料，即使最环保的乙醇，其造成的空气污染也会导致和燃烧石油同样的死亡率。
The Clean air Act requires major sources of air pollution to obtain such permits before making changes that would result in a significant emissions increase of any pollutant.
清洁空气法令要求主要空气污染源需获得这种许可证，以防止污染物排放量的严重增加。
The group also studied particle pollution levels emitted from these sources, which are made up of a mix of tiny solid and liquid particles in the air.
这个组织同样对从这些源头释放出的颗粒污染水平进行了研究。它们由极小的固体和液体颗粒组成。
Jackson is using a section of the clean Air Act, the New source Performance Standards, to clean up existing sources of carbon pollution.
Jackson在利用《清洁空气法案》的其中一章——“新排放源绩效标准”来清理现有的碳排放源。
Minimize children's exposure to air pollution by keeping schools away from factories and other pollution sources and using cleaner cookstoves in homes.
让学校远离工厂和其它污染源，普及家用清洁炉灶，从而减少儿童暴露在空气污染中的机会；
The brave new technology could drastically cut air pollution from auto emissions and other sources.
这种引入注目的新技术能极大地减少汽车尾气和其它原因造成的空气污染。
Air pollution is often identified with major stationary sources, but the greatest source of emissions is mobile sources, mainly automobiles.
空气污染通常是与主要的固定污染源，但排放的最大来源是移动来源主要是汽车。
Volatile Organic Compounds (VOCS), as one of the major sources of air contaminations, can not only cause direct pollution, but also lead to secondary pollution, such as photochemistry smog.
作为空气污染的主要来源之一，易挥发有机物(VOCS)不仅是一次污染源而且还可能造成光化学烟雾等二次污染。
By the survey and the monitoring of the present indoor air pollution. The paper reviewed the sources and harm of the indoor air pollution. Solved measures are suggested.
本文通过对银川市室内环境空气污染现状的调查与检测，阐述了室内环境空气污染的来源及危害，提出了污染治理措施。
There are many sources of air pollution; exhaust fumes for example.
空气污染有很多来源，例如废气。
Motor Vehicle pollution has been one of the main pollution sources in city air pollution.
机动车污染已成为城市大气污染的主要污染源之一。
The film also points at China's petroleum and steel industries as the biggest sources of air pollution.
影片认为，中国的石油、钢铁行业是空气污染的最大来源。
Setting off fireworks is one of the sources of air pollution because it will produce a lot of sulfur dioxide and other hazardous gases, which may lower air quality if they are emitted unlimitedly.
燃放烟火是一大空气污染的来源，因为燃放烟火会释放出大量的二氧化硫和其他有害气体，如果这些有害气体不能得到控制将降低空气质量。
Carbon dioxide and air pollutants arise largely from the same industrial sources and are diffused throughout the world, so that air pollution is also part of global change.
二氧化碳和空气污染物从相同的工业来源基本上出现并且整个世界被扩散，以便空气污染也是是全球变化的一部分。
Definition, types, sources and current research progress of the indoor air pollution were illustrated.
阐述了室内空气污染的定义、种类、来源，国内外研究现状。
There are many sources of air pollution, for example, exhaust fumes.
造成空气污染的因素有很多，例如废气。
Urban traffic pollution has risen to one of the major sources of China's urban air and noise pollution.
城市交通污染已经上升为我国城市大气和噪声污染的主要污染源之一。
Urban traffic pollution has risen to one of the major sources of China's urban air and noise pollution.
城市交通污染已经上升为我国城市大气和噪声污染的主要污染源之一。
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