逆温是制约北京城区大气污染的主要污染气象条件。
Temperature inversion is a meteorological condition that has a primary influence on the atmosphere pollution of urban area in Beijing.
应用地理信息系统(GIS)技术分析了焦作市城区大气降尘污染状况。
The geography information system (GIS) technology was applied to deal with the pollution state of atmospheric dust fall in Jiaozuo City of Henan Province.
研究结果表明，成都市城区大气气溶胶污染严重，特别是冬季超标率很高。
The research of the dissertation expresses that the pollution of atmospheric aerosol in the area of Chengdu city is very serious, and the pollution indexes are higher especially in the winter.
重庆城区大气TSP中金属元素浓度高于北京、上海等城市，并探讨了产生的原因。
The metal element concentration in TSP of Chongqing urban district atmosphere was higher than that of Beijing, Shanghai and other cities, the causes of the results were also discussed.
根据犍为城区1996 ~ 2 0 0 0年大气环境例行监测数据，对城区大气环境质量状况进行分析和评价。
According to the monitoring data of ambient air (1996 ~ 2000), the air quality of the county town of Qianwei, Sichuan Province, is analysed and assessed.
注：主城区大气可吸入颗粒、二氧化氮年日均值的1996 - 2000年数据为总悬浮粒和氮氧化物年日均值。
Note: Data of annual average daily inhalable motes and SO2concentration in downtown from 1996 to 2000 refers to suspended motes and oxy-nitrogen.
采用多指标多因素的综合评判方法对兰州市城区大气污染的变化规律及其给人群健康带来的影响，进行了系统的分析。
The study has systematically investigated the tendency and the effect of atmospheric pollution on resident's health in Lanzhou urban area using comprehensive multi-factorial analysis.
研究结果表明，焦作市城区大气so 2污染与工业污染源的布局是一致的，说明工业燃煤是焦作市大气so 2污染的主要原因。
The results show that SO_2 pollution and distribution of industrial pollution sources in Jiaozuo city is corresponding, industrial coal utilization is the main reason of SO2 pollution.
根据近4年吐鲁番城区的大气污染监测资料，对城区大气污染状况进行了分析和评价，对其成因进行了分析，并提出具体的防治对策。
According to air pollution monitoring data of Turpan city zone near 4 years, this paper analyses and appraises air pollution status and cause of city zone and its cause.
采用北京大学城市大气边界层模式模拟了城区下风向绿化带对城市温度场、风场及空气质量的影响。
The impact of greenbelt at the downwind periphery of an urban area on urban atmospheric environment and air quality was simulated by using the Peking University Urban Atmospheric Boundary Layer Model.
它不失为重庆城区实施大气环境质量管理的重要工具。
Therefore, the model should be an important tool to implement air environment quality management in the city.
通过在重庆城区、郊区的钢材大气曝露试验得到了不同品种钢材的大气腐蚀率。
By the test of steel material exposed to the atmosphere in urban and suburban areas of Chongqing, the corrosion rates of different species of steel were got.
本文分析了在复杂地形条件下中距离大气扩散模式的计算方法及其对城区的影响。
The calculation method for air diffusion model of middle distance under complicated terrain was analyzed.
系统对西安城区进行了斜程大气气溶胶廓线探测和水平能见度的连续观测。
Experimental observation was taken at Xi 'an for profiling the optical properties of atmospheric aerosols and horizontal visibility.
简要介绍本研究的总体方案，探讨城区地表径流污染、农业地表径流污染、畜禽养殖业污染和大气湿沉降污染的研究方法。
The overall schemes of research are introduced briefly and the research approaches of the non-point source pollution loads are discussed in this paper.
大气成分观测与分析中心现已建成上甸子区域大气本底站、城区环境监测站、移动监测等业务观测系统。
At present, an observation system have been founded, including a regional atmospheric background station (Shangdianzi), an urban environment monitoring station and a mobile monitoring station.
大气成分观测与分析中心现已建成上甸子区域大气本底站、城区环境监测站、移动监测等业务观测系统。
At present, an observation system have been founded, including a regional atmospheric background station (Shangdianzi), an urban environment monitoring station and a mobile monitoring station.
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