506 publication(s) trouvée(s)
Article scientifique
Zinc chloride activated carbon derived from date pits for efficient biosorption of brilliant green: adsorption characteristics and mechanism study
Abstract It is critical to remove dyes from wastewater as they cause harm to human and aquatic life due to …
Article scientifique
Linear and nonlinear regression analysis of phenol and P-nitrophenol adsorption on a hybrid nanocarbon of ACTF: kinetics, isotherm, and thermodynamic modeling
Abstract This study aimed to create activated carbon thin film (ACTF) as a hybrid nanocarbon via a simple and efficient …
Article scientifique
Assessment of flood risk by using geospatial techniques in Wabi Shebele River Sub-basin, West Hararghe Zone, southeastern Ethiopia
Abstract Floods are produced as a result of several factors such as human-induced land-use changes, topographic conditions, and climate change. …
Article scientifique
Estimation of reference evapotranspiration based on machine learning models and timeseries analysis: a case study in an arid climate
Abstract Water scarcity is a major challenge for irrigated agriculture, particularly in developing countries where access to meteorological data for …
Article scientifique
Application of artificial neural network (ANN) for investigation of the impact of past and future land use–land cover change on streamflow in the Upper Gilgel Abay watershed, Abay Basin, Ethiopia
Abstract Changes in land area features, such as vegetation type and soil conditions, have an impact on carbon sources and …
Article scientifique
Synthetic mixture of sand and shale: how conductor (shale) and saturation influence electrical characteristics
Abstract In the petroleum sector, spectral-induced polarization (SIP) can detect low-frequency electrical characteristics in rocks without causing any damage. Measurements …
Article scientifique
Evaluation of Koga irrigation water in Mecha district, Amhara Region, as an example of irrigation water quality in Northwestern Ethiopia
Abstract Irrigation water quality impacts plant growth, crop production, and public health. Thus, understanding the trends in irrigation water quality …
Article scientifique
Divalent transition metal complexes of nitrogen, oxygen and sulfur containing ligand: design, structural, spectral, pH-metric, theoretical molecular modeling, analytical and mechanism studies
Abstract In the present study, the 1-Nicotinoyl-4-phenyl thiosemicarbazide (H2NPT) multidentate nitrogen, oxygen and sulfur containing ligand is being synthesized in …
Article scientifique
Assessing the role of community participation in integrated watershed management in Dandi Lake watershed Dandi district, West Showa, Oromia, Ethiopia
Abstract Integrated watershed management is the method of overseeing human exercises and characteristic assets on a water shed basis, taking …
Article scientifique
Upcycling of easy separated Casuarina equisetifolia fruit waste as a biosorbent: tailoring the surface modification to enhance selective removal of cationic dye or simultaneously removal of cationic and anionic dyes
Abstract This study aimed at the valorization of the abundant and underutilized Casuarina equisetifolia fruit waste (CEFW) biomass as an …
Article scientifique
Using hydrogeochemical facies and signatures for groundwater characterization and evolution assessment in aquifers with contrasting climate and geology in Tanzania
Abstract This study aimed at characterizing groundwater evolution using hydrogeochemical facies and signatures in two basins with contrasting climate and …
Article scientifique
Fabrication of Pea pods biochar-NH2 (PBN) for the adsorption of toxic Cr6+ ion from aqueous solution
Abstract Chromium (Cr) ion is regarded as a particularly hazardous contaminant due to its high toxicity and potential carcinogens. The …
Article scientifique
Delineation of Nubian sandstone aquifer using geophysical data around Nuweiba area, Sinai, Egypt
Abstract The Nubian sandstone aquifer (NSA) is defined by using 19 vertical electrical sounding (VES) stations, 201 gravity stations, which …
Article scientifique
Spatiotemporal patterns of water hyacinth dynamics as a response to seasonal climate variability in Lake Tana, Ethiopia
Abstract Lake Tana, which is the largest Lake in Ethiopia, has been invaded by water hyacinths since 2011. Although the …
Article scientifique
Assessing surface water uses by water quality index: application of Qalyubia Governorate, Southeast Nile Delta, Egypt
Abstract In this study, water quality index (WQI) was applied at one of the most crowded Nile reaches surroundings in …
Article scientifique
Biosynthesis of magnesium oxide nanoparticles using Hagenia abyssinica female flower aqueous extract for characterization and antibacterial activity
Abstract The present study deals with the biosynthesis of magnesium oxide nanoparticles using the Hagenia abyssinica female flower aqueous extract. …
Article scientifique
Re-validation of biochemophysical variables as metrics for assessing the ecological integrity of an aquatic ecosystem (Badagry Lagoon, Lagos, Nigeria)
Abstract Assessment of ecological integrity of aquatic ecosystem is a major priority for scientists, government and private concerns all-over the …
Article scientifique
A remote sensing approach to estimate variable crop coefficient and evapotranspiration for improved water productivity in the Ethiopian highlands
Abstract Proper and reasonable estimation of actual evapotranspiration is critical for the design, operation, and management of irrigation systems. However, …
Article scientifique
Surfactant-supported organoclay for removal of anionic food dyes in batch and column modes: adsorption characteristics and mechanism study
Abstract This study aimed to create CTAB-modified bentonite organoclay (Bt@CTAB) by mixing the naturally occurring mineral bentonite (Bt) with the …
Article scientifique
Investigating human-induced threat to hydrological regime of Lake Chilwa Basin, Malawi
Abstract The sensitivity of watersheds to climatic and land use alterations remains subject of scientific interest globally. In this study, …