منابع مشابه
Social Aspects of Transport
Before addressing those, however, it is important , I suggest, to go back to basics and ask ourselves ‘what is transport for?’ and ‘how best can the economic, social and other objectives identified be achieved’, before we proceed to more specific questions as to the identification and appraisal of social benefits and costs of road transport. Then I consider briefly a range of specific issues wh...
متن کاملTaxonomy of Global Air Transport
Data from the United Nations and the International Civil Aviation Organization Information Systems were used as a base for characterizing, classifying and comparing air transport demand and supply features of 156 countries. Relevant data from 1980 were chosen to reflect five sets of characteristics namely, air transport, 50cm-economic status, population demography, geographical and environmenta...
متن کاملPediatric aspects of air pollution.
PEDIATRIC ASPECTS OF AIR POLLUTION P UBLIC concern regarding air pollution has increased rapidly in recent years. Because air pollution may present special problems in the pediatric age group, available information on the effects of various air pollutants on children has been reviewed with the purpose of: ( 1 ) defining the potential ill effects of air pollution in this age group, (2) making in...
متن کاملAnalytic Hierarchy Process (AHP); Road Traffic Accident; Rescue; Air Transport
BACKGROUND: Timely delivery of emergency care and reducing the transmission time of injured people to health centers is very effective in reducing the number of deaths and injuries in accidents. The purpose of this study was to evaluate the factors affecting road traffic accident relief in Iran with an emphasis on air transport. METHODS: The present study was performed through resorting to Mul...
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ژورنال
عنوان ژورنال: Periodica Polytechnica Transportation Engineering
سال: 2010
ISSN: 0303-7800,1587-3811
DOI: 10.3311/pp.tr.2010-2.02