air qualityAssessing the impact of the highway 25 expansion project on air quality in montreal using gis. The aim of the paper is to assess local air pollution implications of the Highway 25 expansion project from Montreal. The basic concept of the roadway air dispersion model consists in ...
1. 历史 | History 1.1 成立[1] 国际航空运输协会于1945年4月成立于古巴哈瓦那。在成立之初,国际航协由31个国家的57家成员航空公司组成。其早期工作主要涉及技术方面,为新成立的国际民航组织(ICAO)提供行业洞见,详情可参见《芝加哥公约》附件,该国际公约至今仍规范着国际航空运输业务。 由于《芝加哥公约》无法解决...
In the 1980s, huge "ozone holes" started to appear over Antarctica, prompting many countries to unite and sign an international agreement called the Montreal Protocol, which rapidly phased out the use of CFCs. As a result, the ozone layer—though still damaged—is expected to recover by ...
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when it comes to international air transportation defined by international conventions, CSN will be liable based on such international conventions; when it comes to the international air transportation not defined by the Warsaw Convention, the Hague Protocol, or the Montreal Convention, CSN shall assume...
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Urban heat island dynamics in Montreal and Vancouver. Atmos. Environ. (1967) 1975, 9, 191–200. [Google Scholar] [CrossRef] Tsin, P.K.; Knudby, A.; Krayenhoff, E.S.; Ho, H.C.; Brauer, M.; Henderson, S.B. Microscale mobile monitoring of urban air temperature. Urban Clim. ...
This titlelimits emissionsof CFCs, halons, and other halogenic chemicals that contribute to the destruction of stratospheric ozone. Provisions of this title closely follow the control strategies recommended in June 1990 by the second meeting of parties to the Montreal protocol. ...