نتایج جستجو برای: two provinces mazandaran and golestan
تعداد نتایج: 17030293 فیلتر نتایج به سال:
Background: The effect of natural background radiation on health is still controversial. However, it is clear that it depends on the dose received by the population. The estimation of external natural background gamma rays received by the population of Caspian coastal provinces in the northern part of Iran was the main goal of this study. Materials and Methods: Gamma rays was measured ...
Antifungal and antibacterial activity of some heterocystous cyanobacteria from paddy-fields in the north of Iran was studied. Soil samples were collected from paddy-fields of Gillan, Mazandaran and Golestan Provinces and cyanobacteria were isolated. Supernatants, methanolic and hexane extracts from biomass of 150 strains of cyanobacteria were isolated and screened against six strains of bacteri...
In order to determine soil inhabitant fungi of Mazandaran and Golestan provinces (N Iran), some soil samples from arable and non-arable areas were collected. After the isolation, purification and identification of fungi, 61 isolates, belonging to Absidia, Actinomucor, Cunninghamella, Lichtheimia, Mucor, Syncephalastrum and Rhizopus were identified. After DNA extraction, all genera were subjecte...
In this paper energy intensity changes in industries of Iran as a whole and for each province separately have been calculated in the period of 2005-2019. These changes are divided to structural and efficiency effects by using average distribution on the amount of changes in cross method. The results show that during this period, energy intensity has increased throughout the country and in all p...
Introduction: In Iran, few studies have been carried out on the frequency of drowning cases in the country's southern and northern coasts. The aim of this study is to evaluate the frequency of drowning cases in the provinces with northern and southern coastal margins from 2011 to 2014 and to examine the risk factors related to drowning mortality. Methods: This cross-sectional analytical study ...
Background and Aim: Anemia is an important public health problem in Iran. The most prevalent type (50%) is iron-deficiency anemia. Flour fortification with iron and folic acid is one of the main strategies usually adopted to combat anemia. Two pilot projects were conducted in 2 Iranian provinces: the first one in Bushehr in 2001 and the second one in Golestan in 2007. The present study was cond...
the purpose of this study was to examine the comparative effect of story retelling and role playing on efl learners’ vocabulary learning and reading comprehension. to carry out the purpose of the study 90 female learners of tabarestan language school located in noshahr were non-randomly selected. they took pet test and among these 90 participants 62 students were selected as homogenous learners...
Background and Objectives: Due to lack of proper health system coverage in cities, the urban family physician program began as pilot in two provinces in Iran. Decision on developing the program to other provinces requires a comprehensive assessment. The study aimed to evaluate the program in Iran. Methods: This cross-sectional study was conducted in 2015 and 2016 in two provinces (Fars a...
M. synoviae (MS) is an economically important pathogen and the major cause of airsacculitis and infectious synovitis in turkeys. Infection with this pathogen may remain asymptomatic but can render infected birds susceptible to secondary infections. This study was carried out for the molecular detection of MS infection in commercial and backyard turkey flocks in Tehran, Semnan, Isfahan, Qazvin, ...
during a survey, five known species of plant-parasitic nematodes of the families tylenchidae and dolichodoridae (tylenchomorpha: tylenchoidea) were collected and identified from several locations in golestan, guilan, kurdistan, and fars provinces. paratrophurus kenanae, tylenchus elegans and t. ritae, as new records for iranian nematode fauna, with the two previously reported species filenchus ...
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