Environmental air quality standard based on weber-fischna's law;
基于韦伯—费希纳拓广定律的环境空气质量标准
Then the NO_x and related air quality standards were reviewed.
分析了我国当前NOx相关污染问题现状,包括由NOx排放造成的臭氧、酸沉降、颗粒物等相关环境问题;讨论了我国NOx相关环境空气质量标准存在的问题;最后针对NOx及相关污染问题,提出了多目标综合控制和管理的建议:执行O3标准,建立区域光化学烟雾评价监测网络;开展城市地区空气质量模拟和控制;加强电厂和机动车尾气NOx的控制;针对NOx相关污染问题开展深入的科学研究。
The domestic and international development present condition of the indoor environment quality was introduced,and indoors air quality standard and homologous examination methods were described.
对居室内环境质量的国内外发展现状进行介绍,对室内空气质量标准及相应的检测方法进行阐述。
According to Grice s Cooperative Principle,irony is the violation of the maxim of quality.
根据格莱斯的合作原则,反语是说话人有意违反会话的质量准则所产生的结果。
ambient air quality standard
GB3095-1996环境空气质量标准
The Elementary Exploration on the Standard of Air Quality in Spun Yarn Workshops of Cotton Mills;
棉纺织厂细纱车间空气质量标准初探
Clean Air Act Amendment (1987) established a national air-quality standard for ozone.
1987年洁净空气法修正案建立了空气的国家空气质量标准。
That provides for the implementation, maintenance, and enforcement of the national air quality standards.
它为贯彻、维护、并执行国家的空气质量标准作准备。
Air quality standard and calculation method of designed ventilation rate in underground vehicle passages
地下机动车道空气质量标准和设计通风量计算方法
Each region in the country which complies with the NAAQSs is put into one of three classes.
全国符合《全国环境空气质量标准》的各个地区，都被划分为三类。
In establishing national ambient air quality standards, the EPA Administrator is not permitted to consider the feasibility of attaining them.
在建立《国家环境空气质量标准》时，环境保护局的局长不允许考虑达到标准的可行性。
Due to increasing awareness of the adverse consequences of air pollution, numerous countries of the temperate latitudes have promulgated air quality standards.
由于对大气污染的恶化情况日益关注，地处温带的许多国家颁布了空气质量标准。
As we saw in Chapter 3, air in Class I areas must be kept cleaner than would otherwise be required by the national air quality standards.
像我们在第三章所看到的那样，一级地区的空气标准比国家空气质量标准所要求的还要高出许多。
It should be remembered that the fundamental purpose of the offset policy is to allow industrial growth despite stringent air quality standards.
应该记得，补偿政策的基本目的是允许工业增长，尽管实施着严厉的空气质量标准。
d emission standard
空气质量和排放标准
Urban Air Quality in Key Environmental Protection Cities In the 47 key environmental protection cities, 19 of them have attained the Grade II standards for urban air quality.
环保重点城市空气质量47个环保重点城市中，19个城市环境空气质量达到空气质量二级标准。
Standard for quality inspection and evaluation of petroleum construction engineering Electrical engineering(overhead power lines engineering)
石油建设工程质量检验评定标准电气工程（架空电力线路工程）
Haikou has attained Grade I while 14 of them attained Grade III.
其中海口达到一级标准。 14个城市空气质量为三级。
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。
Standard methods for radon measurement in environmental air
GB/T14582-1993环境空气中氡的标准测量方法
PREPARATION OF MICRO-OXYGEN IN NITROGEN CALIBRATION GASES BY GRAVIMETRIC METHOD
重量法制备氮中微量氧气体标准物质
In 2001, the annual average of NO2 concentration in the air of 341 cities attained the Grade II national standards for air quality.
2001年，341个城市空气中二氧化氮浓度年均值均达到国家环境空气质量二级标准。