From 2001 to 2004, the city ambient air quality of the north China had been improved evidently.
2004年，北方大部份城市空气质量有明显改善。
Major areas are ambient air quality, acid deposition, atmospheric aerosol, and vehicular air pollution.
环境空气质量、酸沉降、大气气溶胶和机动车空气污染。
Certain key aspects of abatement planning are best addressed through the use of an ambient air quality model.
消除污染的计划相当关键的方面最好通过应用环境模式来提出。
Results can be widely used in ambient air quality analysis, air quality assessment and forecast of urban areas.
该统计结果可广泛用于城区空气环境质量分析、空气环境质量评价及预测。
The results obtained suggest no significant threat to ambient air quality from the application of methanol-gasoline fuel.
结果表明，应用甲醇-汽油燃料不足以造成对公路旁环境的威胁。
BGI samplers will provide the EPA with data to monitor the ambient air quality to protect both the environment and population.
BGI采样器将为美国环保署提供相应的空气质量数据，保护环境和当地居民。
NAAQS (National Ambient Air Quality Standards) define attainment and protect human health by setting a limit on SO2 concentration nationwide.
国家环境空气质量标准规定了全国的二氧化硫浓度限值来保护人民健康。
In 2004, 210 cities exceeded the Class 2 limit values of the National Ambient Air Quality Standard (NAAQS) within the total 342 monitored cities.
2004年，受监测的342个城市中有210个城市的空气质量超过了国家环境空气质量标准的二级标准。
Ambient air quality monitoring network and optimizing selection method of ambient air quality trend's monitoring site in Jiangsu were introduced.
介绍了江苏省环境空气监测网络的构成和环境空气质量趋势监测点的优选方法。
The results showed that the ANN model could obtain a directly - quantitative results in the comprehensive assessment of city regional ambient air quality.
结果证明，ANN模型用于区域环境空气质量评价，其评价结果比较直观。
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.
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。
Objective To study the main distinctions of the ambient air quality in the different kinds compartments of the passenger train during the Spring Festival Transportation.
目的了解春运期间不同类别旅客列车车厢环境空气质量差异。
The reference for formulating Chinese environmental quality standards is provided by analyzing the formulating procedure and process on ambient air quality standard in EC.
通过分析欧盟环境空气质量标准的制订过程，为我国环境质量标准的制订提供参考与借鉴。
On the base of the result about declaring register, the article introduced the countermeasure about improve ambient air quality. It can provide the secundum for leadership.
在沈阳市大气污染物申报登记和分析评价的基础上，提出了沈阳市改善环境空气质量的对策，旨在为领导决策提供依据．。
To investigate the impact of chamber ambient air quality on the testing results, mathematical analysis is performed to study the vibration trends of formaldehyde background concentration.
为了解气候舱周边空气质量对检测结果的影响，本文应用数学分析方法对气候舱内空气中甲醛本底浓度的变化规律进行了探析。
According to the data of environmental monitoring on ambient air from 1993 to 1996, air environmental quality of Tarim oil field analysed and evaluated.
根据塔里木油田1993 ~ 1996年环境空气监测数据，对其环境空气质量状况进行了分析和评价。
The use of ACF in the displacement and ventilation devices can effectively remove sulfur dioxide in ambient air indoors, which will keep the good quality of air and the proper temperature indoors.
将其应用于家用恒温换气装置中，可有效脱除进入室内空气中的二氧化硫等有害气体，改善室内空气品质，保持室内空气清新、温度适宜。
From 2002 to 2004, the quality of ambient air in urban area of Qinzhou city reach national secondary standard.
2002年至2004年，钦州市区环境空气质量达国家二级标准。
Task-ambient air conditioning (TAC) system can produce a better thermal environment and breathing air quality than the traditional air conditioning.
工位空调较传统空调而言，能够提供更好的热舒适性和更高的空气品质。
This high-quality TYPE 12 filter fan draws cool ambient air into your electrical cabinet to manage the heat.
这款高质量的，型号12 的过滤器，可冷却电柜周围的空气。
The waste gas emitted from screen printing production effects on air quality in the ambient environment.
丝网印刷生产中所排放的废气对局部环境的空气质量是有一定影响的。
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.
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.
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。
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