one of the most important issues in today&rsquos; urban world is increasing use of cars and its noise pollution, which is now one of the most important affecting pollutants on health and quality of lives of residents in urban areas. noise pollution effects on various aspects of human and the community health as well as the high cost of treatment, thus more studies in this field is needed. hence...

population’s exponential growth along with drought has increased water resources limitation, especially in arid and semi-arid area. therefore, the use of non-conventional water is an important tool for water resource management. if unconventional water has no negative impact on soil properties and water, it can be used for irrigation coupled with desertification projects. so, this paper tries t...

INTRODUCTION Penile fracture (PF) is a well-recognized clinical entity and is often deemed a urological emergency. It is not uncommon in our region. The main objective of this study is to describe the clinical characteristics of patients diagnosed with penile fracture in the Qom Province, Iran. We evaluate surgical treatment, concomitant urethral disruption and its seasonal variation. METHODS...

seventy poultry farms’ drinking water was tested for escherichia coli contamination in qom province iniran. the cases of colibacillosis from positive farms were also collected and tested. the isolates wereexamined for serotype, detection of virulence genes by multiplex pcr and antibiotic resistance. thirtypoultry farm water samples were e. coli positive (18.57%), although 13 e. coli isolates we...

Background: One of the most conventional causes of male infertility is increasing age, which has significant effects on sperm physiology. In advanced ages, degenerative alterations in germinal epithelium, decreased number of Leydig cells, and their functions affect spermatogenesis through a decrease in testosterone level. So it is important to know whether advanced paternal age is associated wi...

Article history: Received 23 December 2009 Received in revised form 30 June 2010 Accepted 31 July 2010 Available online 8 August 2010 Responsible Editor: I.F. Akyildiz