نتایج جستجو برای: urban wetland
تعداد نتایج: 180821 فیلتر نتایج به سال:
Background and Objectives: Today, use of wastewater treatment systems in urban and rural areas is necessary to protect the health of communities, prevent water resources pollution and reuse of wastewater. Therefore, this study aimed to select the best wastewater treatment method for Meybod villages in Yazd based on analytic hierarchy process (AHP). Materials & Methods: This descriptive study w...
Background & Objectives: In recent years, enterance of oil contaminants especially polycyclic aromatic hydrocarbons (PAHs) to Anzali Wetland, has seriously threatened organisms life. Therefore, the current study was conducted to determine and compare concentration of PAH compounds with multiple sediment quality assessment indice to evaluate the ecological toxicity of surface sediments of Anzali...
Land use effects on heavy metal pollution of river sediments in Guilan, southwest of the Caspian sea
Studies have showed the River Siahroud is the main contributor to the present pollution of Anzali Wetland in Guilan. Therefore, this study was initiated to evaluate the spatial distribution of metals pollution on the River Siahroud sediments in Guilan.Surfacial river sediment samples along this river were taken during five consecutive seasons at eight sampling stations and analyzed for availabi...
Here, we used a radioactive distribution approach for water samples from the Liu Shao Yan constructed wetland to investigate horizontal advection of cadmium (Cd) in this urban wetland. The objective study was assess effectiveness Cd removal wetlands. Additionally, examined factors affecting Cd. Sediment were collected an enclosed wet area. A predictive model executed using combination observed ...
As an important carrier of human production and life, the quality urban ecological environment has most direct impact on living conditions population. The prominence problems undoubtedly increased people’s desire pursuit natural ecology. a complex with multiple functions benefits, wetlands play pivotal role in improving city. Therefore, this paper starts from perspective wetland parks conducts ...
Introduction: Organic compounds are one of the most important quality characteristics in wastewater treatment. The aim of this study is to make comparison of the efficiency of wetland and extended aeration activated sludge in the removal of organic compounds from sanitary wastewater based on response surface methodology. Methods: In this experimental study 100 mixed samples were taken from w...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید