نتایج جستجو برای: 95 volunteers in khorasan razavi province
تعداد نتایج: 17007916 فیلتر نتایج به سال:
Introduction: Brucellosis is a major health problem in northeast of Iran. There is not much data on the association of nutrition and lifestyle factors with the risk of brucellosis in this area. We conducted the present study to determine the risk factors of brucellosis in Khorasan-e Razavi Province, northeastern Iran. Methods: we conducted a case-control study from July 2015...
Maedi-Visna (MV) virus and caprine arthritis encephalitis (CAE) virus known as small ruminant lentiviruses (SRLVs) cause chronic diseases in susceptible animals. The main reservoirs of these viral agents are sheep and goat. In sheep, MV virus causes a disease as the same name of the virus. This is the first seroprevalence survey of SRLVs in sheep population of Khorasan-e-Razavi province in Iran...
khorasan razavi province with the total precipitations of less than 225 mm/year and total area of irrigated area of 1087466 hectare is considered as one of the most important agricultural region in iran. this province has also important role in local and national economy. lack of perennial river and little amount of surface water has caused 1.06 billion cubic meter of over withdrawn from ground...
abstract in october 2009, in one of the alstroemeria (alatroemeria sp.) greenhouses, located in khorasan razavi province, tospovirus-like symptoms (necrosis) were observed on stems, petioles, flowers and leaves of some plants. sap extracts from these plants were mechanically inoculated to indicator plants. necrotic local lesions were observed on petunia hybrida and chenopodium quinoa. necrotic ...
afghanistan throughout its history has witnessed wars and conflicts have been numerous domestic and foreign. this has resulted in the migration of residents of this country. former soviet invasion of the country and then flare-up of internal strife after the withdrawal of soviet troops, in accelerating their migration to neighboring countries, especially iran has an important role. the aim of t...
now-a-days, due to the quick growth of science and technology, institutionalization of learning organizations sounds as more important among public service organizations, and that is because they should be able to offer better services to their customers in accordance with the quick changes of science and technology. one of these organizations to be emphasized upon is jahad-e-keshavarzi organiz...
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