this paper identifies eleven types of asphalt pavement distress types, commonly occuring in tehran metropolitan area. of these, five distresses namely: corrugation; utility cut depression ;pot holes; alligator cracking; and loss of bridge deck surfacing are rather common. however, others namely: shear failure; shrinkage cracks; lane joint cracks; bleeding; and shoulder distress are less prevail...

OBJECTIVES The aim of this study was to describe the temporal determinants of meningitis incidence in the population living in the Tehran metropolis. METHODS All cases of meningitis reported to health districts throughout the Tehran metropolis from 1999 to 2005 were abstracted from patient files. Referral cases (patients who did not reside in the Tehran metropolis) were excluded. For each yea...

The aim of Urban Mines is to provide information, expert advice, support, direction and financial solutions to waste, energy, and climate change problems [1]. There are several effective ways of separating recyclable materials; one possible way is to separate it as mixed waste in suitable plants i.e. curbside, MRF (Material Recycling Facility) or landfill. It identifies, evaluates, analyzes pas...

Cities are rapidly growing throughout the world and are altering biologic processes in many regions, with global consequences. Urbanization in the Phoenix, USA metropolitan region has dramatically altered regional ecosystem patterns, but little is known about how these changes have influenced soil organic matter, total nitrogen, and the distribution of nitrogen stable isotopes. Because urban de...

Brazil has not had endemic circulation of the measles virus since 2000. Between May and June 2011, the Metropolitan Region of Campinas, State of Sao Paulo, Southeastern Brazil, reported three cases of measles. This report presents a descriptive study of the cases, control measures, and the search for a possible source and secondary cases. The genotypic characterization of the virus identified g...