Study on Air Pollution Index Forecasting in Xiamen City& Comparison Between Time Series Analysis and Neural Network;

Seasonal Climate Characteristics of City Air Pollution Index in Hunan Province

湖南省城市空气污染指数演变的季节气候特征

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The grey system assessment method, air pollution integrated index are applied to evaluate the atmosphere, surface water, noise environmental quality of valley cities in western China.

本文首先采用灰色系统评价方法、空气污染综合指数等方法对中国西部河谷型城市大气、地表水、噪声环境质量进行了客观评价。

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The relation of API ( Atmosphere pollution index) and weather factors ( weather type, weather genes) in 2003 of Nanning city was analyzed, the results show that in winter and spring the high pressure ridge affect API greatly;

对南宁市2003年的空气污染指数（API）与天气因素（天气类型、气象因子）的相关性进行了详细分析。结果表明，高压脊在冬春季对API影响较大；

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Progress in developing indices and monitoring techniques for air pollution were further advanced than in most other areas of environmental health.

在空气污染指数与监测技术方面的进展比环境健康其它领域的进展更为显著。

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Application of Visual Basic in the calculation of urban air quality pollution

VISUAL BASIC在城市空气质量污染指数计算中的应用

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The Air Pollution Integrating Index Method was used to analyze the atmospheric environmental monitoring data in Fushun.

利用环境空气污染综合指数法分析抚顺市大气环境质量监测数据。

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Based on the atmosphere detection data of Fuzhou urban district from year 1996 to 2001, this article evaluates the quality of urban air condition through air pollution index. Meanwhile, this article clarifies primary reasons for urban air pollution and puts forward its countermeasures for control.

本文以福州市区1996～2001年的大气监测等资料为依据，采用空气污染指数法对市区的大气环境质量进行了评价，阐明了市区大气污染的主要原因，并提出相应的防治对策。

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Analysis of API in Chongqing and Countermeasures against Air Pollution Air Pollution in Linyi City and Its Control Measures

重庆市多年空气污染指数分析及大气污染控制对策临沂市大气污染控制状况与对策

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Calculation and Analysis System of Air Pollution Indicators under VB Visual Environment

VB可视化集成环境下空气污染指数计算与分析系统

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The annual average of the air pollution index ( API) showed a decrease tendency in recent 3 years, and put forward the air pollution preventing and curing countermeasures.

空气污染指数（API）年平均值近三年间均有下降趋势，并针对空气污染提出了相应整改措施。

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The basic models and methods to develop calculation and analysis system of Air pollution indicators under VB Visual and Windows environment, was discussed.

探讨了以VB可视化集成环境为平台，在Windows操作系统下开发空气污染指数计算与分析系统的基本模型和方法。

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This year's target for air pollution control is to raise the rate of days with air pollution index equaling or bettering grade II to 55 percent.

今年大气污染治理目标继续提高，市区空气污染指数二级和好于二级天数要达到55%。

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Forecast of air pollution index based on BP neural network

基于BP网络的空气污染指数预报研究

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The industrial areas with the sources of pollution of the atmospheric air and the sources of possible accidental release shall be separate from the buildings with auxiliary, storage and amenity rooms.

有大气污染源和可能意外泄漏的工业区域应和辅助建筑、储存建筑和休息建筑隔离。

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Rn is derived from radioactive elements in granitic sediments in the intermountain basin and granite base, which are the major sources of pollution.

氡的主要污染源是山间盆地沉积物中局部富集的放射性铀元素。

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Finally, the paper based on the formation of the sources of pollution transmission standard products data collection and transmission instrument the whole certification process.

本文最后给出了基于污染源传输标准形成的产品-数据采集传输仪的认证。

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The revised law on the protection of marine environment stipulates the introduction of the system to control the aggregated amount of pollutants in key sea areas and set quotas for the discharge of main sources of pollution.

重新修订的“海洋环境保护法”，对重点海域实施总量控制制度，对主要污染源排放数量实施配额制。

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By analyzing, the ways to reduce the sources of pollution and the residue could be found. Thus it can decrease the outgassing amount of the metal parts in the tube, and effectively improve the performance and working life of the intensifier.

分析找出减小污染和减少残留物的方法，进而减小管体内金属件的放气量。

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The main sources of water pollution were sewage and industrial wastewater.

我国水污染的主要来源是生活污水和工业废水。

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The environmental evaluation system of non-hazardous vegetable bases are discussed, the sources of pollution factors of production bases and harms on vegetables are analyzed.

本文初步探讨了无公害蔬菜种植生产基地的环境评价体系，分析了基地污染因素的来源和对蔬菜造成的危害。

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