The features of the dust pollution distribution over time and space have been summarized of different areas in Gansu province.
总结出省内不同区域内尘污染时空分布特征，进一步阐明尘类污染是影响我省城市大气环境的重要指标。
8 million die annually from pollution and poisoning; and millions of birds are electrocuted each year by transmission and distribution lines carrying power produced by nuclear and coal power plants.
每年有800万人死于污染和中毒；每年有数百万只禽类被运载有核能和燃煤发电厂的电力的输配电线路电死。
As lead and arsenic pollution element are skew distribution, statistics of a natural background value and a content of lead and arsenic are worked out using median method of skew distribution.
由手铅、砷污染元素呈偏态分布，故采用偏态分布中的中位数法作了铅、砷自然背景值及含量的统计。
Present conditions of environment pollution of electromagnetic radiation in Shanghai were analyzed, with use of GIS to analyze the distribution of some typical pollution sources.
对上海市电磁辐射污染分布现状进行分析，并利用GIS技术进行典型污染源分布分析，提出管理对策与防护建议。
The study on watershed distribution of agricultural non - point source pollution is important to improve environmental quality.
农业非点源污染的流域分配研究对于提高环境质量具有重要的现实意义。
We have also discussed the main factors influencing the distribution of sediments and the pollution characteristics and effects on regions (the north, the middle and the south of coast).
论文还讨论影响沉积物分布的主要因素和按区域划分(北部、中部、南部)的污染特点。
Water distribution uniformity, high resistance to pollution degree low, replacement cost, external line is simple, easy cleaning maintenance and design degrees of freedom and many other advantages.
水流分布均匀、耐污染程度高、更换费用低、外部管路简单、易于清洗维护保养和设计自由度大等许多优点。
Gaussian model with the assumption of the normal distribution of plume concentration is mostly applied for the evaluation of local atmospheric pollution in the world.
在研究局部地区空气污染时，目前国内外应用较为广泛的仍是假设烟羽浓度为正态分布的高斯模式。
Trough the study of the vertical distribution characteristics of organochlorine pesticides in the sediment core, the pollution history of organochlorine pesticides in Quanzhou Bay was discussed.
通过研究有机氯农药在沉积物柱样中的垂直分布特征，探讨了有机氯农药在泉州湾的污染历史。
This method can be used to describe the time and spacial distribution states of COD concentration for carrying out the prediction and assessment of water pollution.
应用该方法可定量地描述COD浓度在时间和空间上的分布状态，进行水质污染预报和评价。
This article analyzes the general interest of the project based on the distribution of the bed-mud, the features of the pollution and the determined project measures.
本文针对草海底泥分布及污染特征，在已确定的工程措施基础上，探讨分析了工程的综合效益。
This paper expounds the source and distribution of the harmful heavy metal in Chinese environment at present, and probes into how to prevent the harmful heavy metal pollution.
就当前我国环境中有害重金属的来源及分布作了简要阐述，对如何防治重金属污染进行了探讨。
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.
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。
In addition, because the model system can correctly simulate space-time distribution of pollutants, it has a wide application foreground to urban air pollution prevention planning.
此外，该模式系统由于能够较为准确地模拟城市范围内污染物的时空分布，在城市空气污染防治规划方面具有较为广泛的应用前景。
Based on the formation of inversion weather in Erdous plateau, the temporal and spatial distribution of air pollution and feasible approach to control the pollution are discussed.
本文根据鄂尔多斯高原逆温天气的形成，讨论了高原地区中小城镇大气污染的时空分布及控制污染的可行性途径。
Therefore, its distribution in environment, pollution status, and degradation approach was reviewed.
为此详述了其在环境中的分布情况、污染状况以及降解途径。
The pollution status of Carbon Monoxide(CO) in street canyon and its horizontal and vertical distribution of concentrations have been discussed in the paper.
本文分析了典型街谷地区CO污染的现状及其浓度的垂直分布和水平分布的变化情景。
The profile distribution can be indicative of soil heavy metal pollution in the paddy soils.
重金属剖面分布特征可以在一定程度上反映水稻土的重金属污染积累程度。
The change and distribution of anion detergent pollution in the Antarctic Maxwell Bay and its adjacent sea areas were reported for the first time.
首次报道了南极麦克斯韦尔海湾海域阴离子洗涤剂污染的变化和分布状况。
The spatial distribution of the pollution of the creeks also indicated that the main contributors of the pollutants were domestic wastewater, livestock wastes and agricultural runoff an so on.
中小河流污染的空间分布规律显示，人们生活活动、禽畜养殖、农田径流等因素是河流水环境污染的主要因素。
The purpose of researches on urban dust is focused on the source of dust material, composition of dust, distribution, migration and evolution, pollution effects and prevention and cure.
研究城市灰尘的目的是研究其物质来源、物质成分、分布规律、迁移演化、污染效应、防治治理等。
Noise pollution has complex spatial distribution, traditional evaluation methods achieve accurate, direct-viewing effects with difficulty.
噪声污染具有复杂的空间分布特征，传统评价方法难以达到准确、直观的效果。
The dust pollution in resident environment effects human healthy. So it is important to study the distribution of suspended particle for the environment governance.
生活环境中微尘的污染直接影响人体的健康，搞清楚悬浮颗粒在生活环境中的分布情况对环境的治理有重要意义。
The spatial distribution of each heavy metal in urban street dust of Shanghai has much difference and the partial pollution is serious.
上海城市街道灰尘重金属的空间分布差异较大，局部区域污染严重。
The paper analyses the diffusion conditions of air boundary layers, the distribution and forecast of source air pollution and the current situation of air pollution.
分析了大气边界层扩散条件、大气污染源分布及预测、大气污染现状。
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.
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。
Bacteria regrowth in distribution system is an important factor for drinking water pollution.
配水管网中细菌繁殖是钦用水二次污染的重要方面。
The fume discharged from coal-burning boilers makes an important distribution to the air pollution.
燃煤锅炉排出的烟气是形成大气污染的一个重要因素。
Based on technology of analyzing and interpolation of GIS, the research study spatial distribution of air-pollution of Lanzhou in winter.
基于GIS空间分析与插值技术，对兰州市大气污染具有代表季节的冬季大气污染的空间分布特征进行了研究。
Based on technology of analyzing and interpolation of GIS, the research study spatial distribution of air-pollution of Lanzhou in winter.
基于GIS空间分析与插值技术，对兰州市大气污染具有代表季节的冬季大气污染的空间分布特征进行了研究。
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