نتایج جستجو برای: golestan and semnan provinces
تعداد نتایج: 16828504 فیلتر نتایج به سال:
____________________________________________________________________________________________________________________ 1. (Corresponding autho ) PhD student, Department of Pathobiology, School of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran. [email protected] 2. PhD student, Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Ira...
background: infection with helicobacter pylori might be related to chronic gastritis, peptic ulcer and gastric adenocarcinoma. given the high prevalence of helicobacter infection in our region, this study was designed to determine the age trend of helicobacter pylori contamination in golestan province in 2008. materials andmethods: this cross-sectional descriptive study was carried out on 1028 ...
Recently, virtual water trade has been introduced as a tool to solve the water scarcity of dry regions. The concept holds that water-rich countries and regions should produce and export water-intensive commodities to water-scarce countries and regions. In this study, the status of domestic and international virtual water trade was studied to assess water management in Iran in 2006 (which was co...
background: evaluating the effectiveness of reengineering moheb (interventions and sociopsychological supports in disasters) project helps the managers of the welfare organization have feedback on the status of community empowerment against disasters. in this regard, this study aimed to determine the effectiveness of reengineering moheb project to improve the knowledge, attitude, and performanc...
Background: The municipal solid wastes (MSWs) are disposed in open dumps, which have no leachate collection and removal system, in the Caspian region of Iran. Leachate readily reaches the nearby water resources such as streams, rivers, lakes, and sea. Therefore, understanding the quality and quantity of open dump leachate is vital to the proper treatment of leachate. Methods: The leachate samp...
The globalization of markets and the multiplicity of choices for customers have led to the formation of a supply chain. In supply chain activities, proper evaluation based on criteria can help companies move toward development. A proper system for measuring performance is an important need for effective supply chain management. Therefore, performance appraisal is critical to improving the effic...
Introduction: Abstract: Increasing the productivity of health care spending is important for all countries. In order to increase productivity, input and output data can have fuzzy values. This study aimed to present a new model of inadequate envelopment analysis to determine the productivity of provinces in the health sectors, highlight productive provinces and detect sensitive indexes to incr...
به منظور جمع‌آوری و شناسایی فون زنبورهای پارازیتویید متعلق به جنس Förster Encarsia حاشیه جنوبی دریای خزر، مطالعاتی در فاصله سال‌های 95-1393 انجام شد. در این بررسی 12 گونه متعلق به این جنس جمع‌آوری و شناسایی شد که از این میان گونة Encarsia gennaroi Pedata & Giorgini, 2017 برای اولین بار از ایران گزارش می‌شود و شش گونه برای استان مازندران، سه گونه برای استان گلستان و دو گونه برای استان گیلان گزا...
aging coefficient (ac) or aged-child ratio or age composition; takes into account the numbers and areas at both ends of the age distribution simultaneously. ac is the total number of individuals aged 65 years and more, divided by the total number of individuals aged 14 years, multiplied by 100. herein, age composition in iranian popu1ations, according to different provinces, place of residence ...
background: cancer is a major public health problem in the world. in iran especially after a transition to a dynamic and urban community, the pattern of cancer has changed significantly. an important change occurred regarding the incidence of cancer at the southern shores of the caspian sea, including gilan, mazandaran and golestan province. this study was designed it investigate the epidemiolo...
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