对用于城市空气污染物指数日常预报服务的五种预测模式和方法及其精度进行了讨论。
Five air models (or methods) used for daily urban air pollution index prediction and its forecasting precision were discussed. The result is that based on the analysis of local meteo...
目前，污染物测量是在一个城市的多个不同地点进行测量的，然后数据会合计成一个数字(空气质量指数)最后在网站上每天发布一次。
Currently, pollutants are measured at different stations in a city and that data is aggregated to a single number (the air quality index) and published once a day on a website.
结果表明，随着污染负荷和补水本底污染物浓度的增加，环境需水量分别成近似线性和指数函数增加；
Results showed that, the environmental water demand almost linearly increased with the pollution loading, and exponentially increased with the pollutant concentration of the supplemental water.
结果该地区土壤的各种污染物的污染指数均小于1，污染水平低于国家标准。
Results the results indicated that the pollution index of all sorts of pollutant in the soil was less than 1.0 and was lower than that of the national standard.
龙江水经过邻近海域的海水稀释之后污染物浓度虽有所降低，但是到了福清湾顶平均污染指数仍然高达3.2。
Even though the content of pollutant in the water of Longjiang-river was diluted by seawater, the average water pollution index to the inlet of Fuqing bay is still as high as 3.2.
收集了2006年《重点城市空气质量日报》中中国86个重点城市空气质量主要分析指标——空气污染指数（A PI）、首要污染物、空气质量级别，并对数据进行统计分析。
Analyze the main index, which include API, primary pollutant, air quality level, in 86 cities of china from Urban Ambient Air Quality Daily Report of 2006.
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.
借助于折衷型激励功效函数将单项污染物分指数加权为综合指数。
The comprehensive index of environmental air quality assessment can be calculated in the aid of the compromise active function weighting for each index .
借助于折衷型激励功效函数将单项污染物分指数加权为综合指数。
The comprehensive index of environmental air quality assessment can be calculated in the aid of the compromise active function weighting for each index .
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