نتایج جستجو برای: prevalence rate
تعداد نتایج: 1199062 فیلتر نتایج به سال:
several studies have been conducted in iran in order to investigate the prevalence of depression among infertile couples. however, there is a remarkable diversity among the results. this meta-analysis was conducted to estimate an overall prevalence rate of depression among infertile couples in iran.international and national electronic databases were searched up to june 2011 including medline, ...
Introduction: Cutaneous leishmaniasis is an important public health problem in many tropical and sub-tropical countries including Iran. In Iran, it presents in two forms of anthroponotic CL (ACL) and zoonotic CL (ZCL). Bam is one of the oldest foci of ACL and the earthquake of 2003 December, 26th made a significant change in the population and environmental factors and subsequently in epidemiol...
بررسی ارزش غذایی تاغ و عمل آوری آن با سود و آهک در مراحل مختلف رشدبا استفاده از روش کیسه های نایلونی
abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...
a study was undertaken to find out the prevalence rate or rheumatic fever (r.f.) and rheumatic heart disease (r.h.d.) among pupils in selected schools of tehran, and to evaluate the rate of socio-economical factors on prevalence rate of this disease. during period of 5 months, 6, 183 children and adolescents aged 5-17 were studied. out of 6,183 pupils, 3, 680 were boys (59.5) and 2,503 were gir...
modeling of relationship between ventilation rate of buildings and sick building syndrome symptoms hosseinpoor s , gholamiborujeni f *, mohammadian y received: 22 aug, 2013 accepted: 23 oct , 2013 abstract background & aims: indoor air pollution with microbilal, chemical and physical pollutants lead to sick building syndrome (sbs). suitable ventilation of buildings, is one of the best methods t...
employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...
the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...
abstract: aim and background: the exact review of the prevalence of internalized and externalized disorders in adolescence is essential to design and prepares appropriate remedial services that aimed at reducing the negative consequences and subsequent growth of mental disorders and improving adolescent functioning. the aim of this study is investigation of prevalence of internalized and extern...
Introduction: Different studies around the world have shown that Work-Related Musculoskeletal Disorders (WMSDs) are the causes of lost time, absenteeism, and disability. The purpose of this study was to investigate the prevalence rate of musculoskeletal disorders (WMSDs) and to evaluate their ergonomic risk factors and determine the effect of ergonomic intervention on awkward postures among wor...
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