نتایج جستجو برای: iran sweep net sampling
تعداد نتایج: 406758 فیلتر نتایج به سال:
abstract the following study, in the first place, attempted to examine the effect of less experienced teachers participation in experienced teachers classes on their own skills and teaching methodology, in the second place, attempted to find out the role of teachers training in students achievements. for this purpose, 21 efl teachers were selected according to available sampling in kish l...
Current technologies available for the study of plankton remain limited in comparison to the spatial-temporal resolution and data acquisition rate available for physical oceanographic measurements. Specifically, plankton measurements are made primarily by use of net collections, as opposed to the high-speed digital output possible for physical sampling. Though net technology has become quite so...
a survey was conducted to study the fauna of the subfamily ophioninae (hymenoptera: ichneumonidae) in southern iranian provinces of fars and hormozgan. the specimens were collected using malaise traps, light traps and sweep nets from a variety different habitats between 2011 and 2013. a total of twelve species of three genera (enicospilus stephens; ophion fabricius and eremotylus forster) were ...
A 2-month community-based survey in February/March of 2003 was carried out to study the seroprevalence of hepatitis E virus (HEV) infection in Nahavand, Islamic Republic of Iran. From each of 6 urban regions of Nahavand, 304 inhabitants > or = 6 years were recruited through systematic random sampling (total 1824). Participants were tested for anti-HEV IgG using ELISA. The overall seroprevalence...
The evolution of human blood groups, without doubt, has a history as old as man himself. There are at least three hypotheses about the emergence and mutation of human blood groups. Global distribution pattern of blood groups depends on various environmental factors, such as disease, climate, altitude, humidity etc. In this survey, the collection of main blood groups ABO and Rh, along with some ...
We measured the prevalence of HBV surface antigen (HBsAg) among male injection drug users (IDUs) in Detention, Tehran, Iran. A cross-sectional survey included 499 male IDUs arrested by police during a predetermined police sweep in Tehran (February, 2006). A questionnaire was filled out for each individual. Blood specimens were collected for HBsAg testing. Prevalence of HBsAg was 5.8% (95% CI 3....
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