نتایج جستجو برای: water quantity
تعداد نتایج: 626056 فیلتر نتایج به سال:
OBJECTIVE To study the quantity and quality of water intake from beverages among pre-schoolers and investigate associations with gender and socio-economic status (SES). DESIGN Kindergarten-based cross-sectional survey within the large-scale European ToyBox-study. A standardized protocol was used and parents/caregivers filled in sociodemographic data and a semi-quantitative FFQ. SETTING Kind...
abstract climate change means a significant change in the long-term weather of a region in comparison with what has been observed during a long term period. precipitation and minimum and maximum temperature are three variables which are affected directly by the climate change. furthermore, the water yield of a river is one of the most important hydrological variables of a basin which is affecte...
Abstract Simulation–optimization approaches are useful methods for the assessment of water resource engineering plans and finding best management policy at watershed scale. In this study, to find optimum operation a reservoir with purpose satisfying demands while meeting quantity quality criteria, generic river basin simulation model (MODSIM) is coupled particle swarm optimization (PSO) algorit...
Introduction: The main aim of this study was quality and quality analysis of electronic and chemical industrial wastewater in the mega city of Tehran. This research was conducted in two phases, first: water consumption and second: quantity and quality analysis of wastewater in such industries. Methods: Right now there are 59 chemical and electronic industries with over 50 personnel in Tehran....
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید