Negar Safarpour Khotbesara1, Sahar sanie2 and Nematullah Kurd1* Author Affiliations 1Department of Occupational Health Safety Engineering, School Public Health, Hamadan University Medical Sciences, Iran 2Department Ilam Received: April 13, 2022 | Published: 22, Corresponding author: Kurd, Department Hamadan, DOI: 10.26717/BJSTR.2022.43.006898

     In recent years, large rangeland areas have been destroyed for various reasons, so that its negative impacts on local people's income and sustainable livelihood are become significant. Due to the fact that signs of negative or downward trends in the rangelands condition are being revealed prior to the complete degradation, a study was done to identify these sings and evaluate their importa...

background in iran, brucellosis mainly is transmitted from animals to humans of non-occupational ways, thus its prevalence in children is equal to adults or higher than them, thus in view of etiology and public health studying the epidemiological pattern of brucellosis in children is important. present study aimed to investigate the epidemiologic characteristics of brucellosis in children under...

background: the aim of this study was to assess the effects of road deicing salt on the quality of the ground water resources in hamadan province during winter season. methods: water samples were taken monthly from thirty wells located around the hamadan-asadabad highway. the quality of well water was examined by measuring amount of sodium, chloride, total hardness, total dissolved solid, elect...