abstractthe understanding of water resources for the purpose of ground and surface water management as two inseparable systems is great importance. in this study by examining the time series of climatic variables (precipitation), hydrological (flow and consume) and the level of water table, the parameters associated with each other and with fluctuating water table can be realized. there was a d...

cross infections (cis) are considered as a major public health problem worldwide. they cause delay in recovery, increased mortality and morbidity. the purpose of this study is to report the incidence of cis in our teaching hospital during a 23-month period.in this descriptive cross-sectional study, 76766 patients from 2009 to 2011 admitted to 17 wards of imam reza hospital in mashhad were studi...

allergy to prosopis juliflora (mesquite) pollen is one of the common causes of respiratory allergy in tropical countries. mesquite is widely used as street trees in towns and ornamental shade trees in parks and gardens throughout arid and semiarid regions of iran. the inhalation of mesquite pollen and several species of amaranthus/chenopodiaceae family is the most important cause of allergic re...