clean air policy 空气洁净政策 clean air manifold 净化空气总管,净化空气总管 air quality act 【法】 大气质量法 Air Quality Act 大气质量法 相似单词 act wait n. 幕间休息 AIR =Adobe Integrated Runtime (AIR) 是一个跨操作系统的运行时,利用现有的Web开发技术(Flash,Flex,HTML,JavaScript,Ajax)...
clean air outlet 净化空气出口,净化空气出口 clean air manifold 净化空气总管,净化空气总管 air quality act 【法】 大气质量法 Air Quality Act 大气质量法 相似单词 act wait n. 幕间休息 air n. 1. 空气;大气 2. 压缩空气 3. 天空;空间 4. 微风 5.【音】曲调;旋律 6. 样子;神态;自信的样...
介绍大气清洁法案clean air act CleanAirAct INTRODUCTION TheCleanAirActisaUnitedStatesfederallawdesignedtocontrolairpollutiononanationallevel.ItrequirestheEnvironmentalProtectionAgency(EPA)todevelopandenforceregulationstoprotectthepublicfromairbornecontaminantsknowntobehazardoustohumanhealth.HISTORY The1955AirPollutionControl...
介绍大气清洁法案clean air act CleanAirAct INTRODUCTION TheCleanAirActisaUnitedStatesfederallawdesignedtocontrolairpollutiononanationallevel.ItrequirestheEnvironmentalProtectionAgency(EPA)todevelopandenforceregulationstoprotectthepublicfromairbornecontaminantsknowntobehazardoustohumanhealth.HISTORY The1955AirPollutionControl...
Thirty years of the Clean Air Act Amendments: Impacts on haze in remote regions of the United States (1990–2018)HazeVisibilityAerosol trendsRemote aerosolsIMPROVEThe Clean Air Act Amendments of 1990 were aimed at reducing major environmental threats in the United States, such as acid rain, urban...
policy instrument use, with particular focus on the increased use of market-based policy instruments, beginning in the 1970s and culminating in the 1990s. Over the past 50 years, air pollution regulation has gradually become more complex, and over the past 20 years, policy debates have become ...
Accomplishments Under the Clean Air Act Since 1990 there has been approximately a 50% decline emissions of key air pollutants. 净化空气的进展 实施《清洁空气法》的行动大大减少了空气污染,每年防止了数十万例严重影响健康的病例。 根据《清洁空气法》取得的成就 ...
介绍大气清洁法案cleanairact资料 CleanAirAct INTRODUCTION TheCleanAirActisaUnitedStatesfederallawdesignedtocontrolairpollutiononanationallevel.ItrequirestheEnvironmentalProtectionAgency(EPA)todevelopandenforceregulationstoprotectthepublicfromairbornecontaminantsknowntobehazardoustohumanhealth.HISTORY The1955AirPollutionControl...
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