نتایج جستجو برای: street dust
تعداد نتایج: 71125 فیلتر نتایج به سال:
Background: The phenomenon of street children is a biopsychological and social issue that not only is damaging to children but also endangers community health. Along with health programs and policies of our country, recognizing the challenges for designing optimal programs and providing appropriate services are necessary. This paper discusses the main issues and challenges of street children&rs...
Many studies have been done on various properties of dust and one of the most important characteristics of dust is the ability to carry different microorganisms from the source points. The aim of this study was to investigate the bacterial and fungal community of dust and to identify its dominance species in a single event of intense dust storm, in the northern regions of Sistan and Blauchestan...
In the course of the European Council Directive on permissible air pollutant limit values, valid starting from 2005 there is an urgent call for action, particularly for fine dust (PM10). Current investigations (Junk & Helbig 2003, Reuter & building Mueller 2003) show that the limit values in certain places in congested areas are exceeded. Only if it is possible to located these Hot Spots purpos...
the street garment vendors are playing a significant role in the fields of the economic development through protecting resources (garment products) from such a position where they are treated as wastes; very much less valued products and creating the opportunity for self-employment. this study aimed at showing the economic contribution and the impact of the street vendors to the local community...
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