نتایج جستجو برای: khorasan razavi province
تعداد نتایج: 76858 فیلتر نتایج به سال:
BACKGROUND Pediculosis (head lice) is considered as one of the most common health problems of the students in primary schools. The purpose of this study was to survey the prevalence rate of the infestation in the schools of Gonabad City (south of Khorasan-e-Razavi Province) to prevent its outbreak by on-time planning. METHODS In this retrospective-descriptive study, data were collected from t...
Environmental pollution is regarded as a major environmental crime in most countries; Iran no exception. This study examines water and soil polluting behavior among villagers Jimabad, Mashhad County—a rural area the Razavi Khorasan province northeastern region of Iran. A survey questionnaire was used to collect data from random sample 315 respondents population Jimabad. article reports on level...
Evaluating the Water Productivity Management Performance in Irrigation Networks (Case Study: Doosti Network- Khorasan Razavi)
water shortage crisis is an issue that has led to drastic changes in different agricultural policies, especially in arid and semi-arid areas. uncertainty in the amount of resources, e.g. water, used for agricultural production entails risk for farmers' income and cropping pattern changes. in the present study, the robust optimization model was used for optimal allocation of arable lands of khor...
Toxoplasmosis is an important zoonotic disease that can cause abortion in humans and animals. The aim of this study was isolation and subsequent genotyping of Toxoplasma gondii isolates in ovine aborted fetuses. During 2012-2013, 39 ovine aborted fetuses were collected from sheep flocks in Khorasan Razavi Province, Iran. The brain samples were screened for detection of the parasite DNA by neste...
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