pollution index

Forecast of Air Pollution Index in One City Based on the Artificial Neural Net

基于神经网络中小城市空气污染指数预估器的设计

互联网摘选

API index and comprehensive pollution index are methods to report and assess city's air quality.

API指数法和综合污染指数法均是反映和评价城市环境空气质量状况的方法，它们既有联系，又有区别。

互联网摘选

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

厦门市空气污染指数预测方法研究&时间序列分析与神经网络的比较（英文）

互联网摘选

Meanwhile, water quality of 16 stations for four seasons from 1986& 1987 is analysed, and the chemical combined pollution index ( p) is advanced.

同步进行了16个站四季的水质分析，提出化学综合污染指数（P）。

互联网摘选

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。

互联网摘选

In this study, mesoscale meteorological model, Eulerian model and air trajectory model simulation of the regional meteorological field and air pollutant transport market, combined with the key cities in 2008 Air Pollution Index ( API) information to verify the results of the simulation analysis.

本研究利用中尺度气象模式，欧拉模式和气流轨迹模式，模拟研究区域气象场及大气污染物输送场，结合2008年重点城市空气污染指数（API）资料对模拟结果进行验证分析。

互联网摘选

When the pollution index is> 4.90-5.38, there are one or two heavy metal pollutants over standard capacity;

当污染指数≥4.90-<5.38时，有1种或2种污染物含量超标；

互联网摘选

When the pollution index is> 5.38, there are at least 3 kinds of heavy metal pollutants over standard capacity.

当污染指数>5.38时，至少有3种污染物含量超标。

互联网摘选

Along with the new standards, the country's existing Air Pollution Index will also be upgraded into the Air Quality Index. This will follow international practices to include ozone and carbon monoxide pollution levels as well as PM2.5.

新标准将目前我国采用的空气污染指数升级为空气质量指数，并依照国际惯例，将臭氧、一氧化碳、PM2.5都纳入评价体系。

互联网摘选

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%。

互联网摘选

The levels of water pollution of the 5 sampling sections could be divided into heavily contaminated level and moderately contaminated level according to the pollution index.

根据污染指数（PI）将5个断面的水质污染分为两个水平，即重污染和中污染；

互联网摘选

A new quantitative assessment method for coal environmental pollution property is defined by using the pollutants output per thermal unit and the comprehensive air pollution index.

对煤炭环境特性的单因子绩效评价法和综合污染特性指数法进行了分析和定义。

互联网摘选

Contents of Ni 、 Cd 、 Cu 、 Mn 、 Pb and Zn in soil from slag wasteland of Xiangtan Manganese Mine were investigated and evaluations were made by using pollution index.

对湘潭锰矿废弃地土壤中Ni、Cd、Cu、Mn、Pb和Zn的含量进行了测定分析，并采用污染指数评价法对矿区废弃地土壤重金属的污染程度进行了评价。

互联网摘选

Water quality in various monitoring sections and urban sections were overall evaluated by using integrated pollution index based on analysis of recent two years' water quality monitoring data in 7 cross sections alongside Badong area of Three Georges reservoir.

根据对2002年和2004年长江三峡库区巴东段的七个监测断面的水质监测结果，采用综合污染指数法（P值法）对各监测断面、城区江段以及其总体水环境质量进行了综合评价。

互联网摘选

A comparison of the mainland Chinese and international Air Pollution Index system

我国与国际空气污染指数系统的比较

互联网摘选

Major factors are water quality pollution index, benthic diversity index, algae diversity, GDP, grain output, aquatic production, greening rate and tourism revenue.

主要驱动因子为：水质综合污染指数、底栖动物多样性指数、藻类多样性指数、GDP、粮食总产量、水产品产量、绿化覆盖率、旅游收入。

互联网摘选

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

互联网摘选

Application Of Average Comprehensive Pollution Index In bo Water Pollution Classification

平均综合污染指数在地面水污染分级中的应用

互联网摘选

Environmental Protection Department: Air Pollution Index-Lists air pollution index readings from monitoring stations around Hong Kong.

环境保护部门: 空气污染索引 - 从在香港附近监视车站的表空气污染索引读物.

互联网摘选

Air Pollution Index Analysis of 2002 and 2003 in Guangzhou

广州市2002~2003年空气污染指数分析

互联网摘选

The problem is so bad that CNBC Asia even carries a pollution index with its weather reports.

这个问题如此严重，以至于cnbc亚洲台在天气预报中加入了污染指数。

互联网摘选

The study on the correlation between organic pollution index and THMs preliminary study on Correlativity of reduction criteria in polluted water

天然水源水中有机污染指标与氯消毒后三卤甲烷形成的相关性初步探讨污染水中还原性指标相关性探讨

互联网摘选

On API Index and Comprehensive Pollution Index

论API指数和综合污染指数

互联网摘选

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

互联网摘选

Regression analysis of air pollution index based on MODIS remote sensing and meteorological data

基于MODIS遥感和气象数据的API回归分析

互联网摘选

Using the Bounce of Pollution Index to Find New Pollution Sources

利用削减断面污染指数反弹发现新污染源

互联网摘选

According to the average rate of exceeding standard and the synthetic pollution index of vegetables, the pollution order of heavy metals among investigated vegetables was as follows: leaf vegetable root and tuber vegetable> melon and fruit vegetable.

从平均超标率及综合污染指数来看，叶菜类蔬菜污染最严重，其次是根茎类蔬菜，瓜果类蔬菜污染最轻。

互联网摘选

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。

互联网摘选

The membrane pollution index FI by PVA solution and the chemical stability are tested. Ideal support membrane is provided for composite membrane.

并测得PVA系列对该膜的污染指数FI及膜的化学稳定性，为复合膜提供了理想的支撑膜。

互联网摘选

We obtained the relevant relations of pollutant, liquor acidity, ashy density, reaction time, with filtering result, through testing pollution index of the sewage under different experimental conditions.

通过不同试验条件下对污水中污染指标进行检测，分析总结出粉煤灰对不同污染物的过滤效果及其与溶液的酸度、灰的密度、反应时间的相关关系。

互联网摘选