pastures play an important role in protecting environment and ecosystems. unfortunately more than 40 percent of pasturess in the world have been destroyed and 20 percent of destroyed pastures are located in developing countries. application of solar energy could significantly contribute to preserving the pastures. the main purpose of this study was to examine the role of solar energy in protect...

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...

land evaluation and its consistency with simulation model’s outputs could assist decision making to develop plants for cultivation. in this study land suitability and potential yield of cumin was determined using cummod and sum of values method by climatic and topographic factors, respectively, as a case study in khorasans provinces. results revealed that despite of the majority of favorable an...

â â â  in this study, ability and skill of the nesting version of the regcm3 regional climate model in simulation of monthly and seasonal amount of precipitation and temperature using four different cumulus parameterization of grell-as, grell-fc, emanuel and kuo have been studied over khorasan area including three provinces of north khorasan, khorasan razavi and south khorasan. in this regards,...

abstract seedless barberry (berberis vulgaris l. var. asperma) is one of the few crops that is cultured only in iran and southern parts of khorasan provinces. the origin of this variety is unknown and there has not been any study aiming to identify phylogenic relationships of this plant with other species existing in iran. in this study, aflp markers based on four primer combinations (ecori/tru...

Research Center of Iranian Blood Transfusion Organization, Khorasan-e Razavi Blood Center, Mashhad, Iran. Department of Community Health, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia. Biomedical Department, Women Research Center, Alzahra University, Tehran, Iran. Department of Communication and Network, Faculty of Computer Sciences and Information Techno...