125 publication(s) trouvée(s)
Article scientifique
Performance of rainfall–runoff models in reproducing hydrological extremes: a case of the River Malaba sub-catchment
Abstract Daily River Malaba flows recorded from 1999 to 2016 were modelled using seven lumped conceptual rainfall–runoff models including AWBM, …
Article scientifique
Characterization and efficient dye discoloration of Algerian diatomite from Ouled Djilali-Mostaganem
Abstract A series of naturally occurring diatomaceous earth samples from Ouled Djilali, Mostaganem (Lower Chelif basin, Algeria northwestern), were investigated, …
Article scientifique
Predicting the effect of the rib pitch on thermal performance factor of small channels plate heat exchangers fitted with Y and C shapes obstacles
Abstract This study presents a numerical analysis of a laminar counter flow inside small channels plate heat exchanger fitted with …
Article scientifique
Spatiotemporal variability of agricultural drought and its association with climatic variables in the Upper Awash Basin, Ethiopia
Abstract Drought is a serious threat to agriculture in Ethiopia. This study examined the spatiotemporal variability of agricultural drought and …
Article scientifique
Optimization studies on turbidity removal from cosmetics wastewater using aluminum sulfate and blends of fishbone
Abstract This research is centered on the optimization of coagulation–flocculation treatment of cosmetic wastewater. It analyzes blends of fishbone (BFB) …
Article scientifique
Spatial variability and mapping of soil fertility status in a high-potential smallholder farming area under sub-humid conditions in Zimbabwe
Abstract A study was conducted to examine spatial variability of soil properties related to fertility in maize fields across varying …
Article scientifique
Evaluation of the status of land use/land cover change using remote sensing and GIS in Jewha Watershed, Northeastern Ethiopia
Abstract Evaluation of land use/land cover (LULC) status of watersheds is vital to environmental management. This study was carried out …
Article scientifique
Evaluation of the effects of additives on the properties of starch-based bioplastic film
Abstract The adverse environmental effects of petroleum-based packaging plastics have necessitated the need for eco-friendly bioplastics. Most bioplastics are starch-based …
Article scientifique
Late Miocene–Early Pliocene planktic foraminiferal biostratigraphy of deep offshore southwestern Niger Delta
Abstract The planktic foraminiferal biostratigraphy of the deep offshore southwestern Niger Delta has been studied from three wells (DPW-1, DPW-2 …
Article scientifique
Energy analysis of the performance of a hybrid solar still composed of a parabolic concentrator with PV generator
Abstract In this study, a hybrid system with the addition of a greenhouse solar still is proposed to improve the …
Article scientifique
High static low dynamic stiffness outriggers effects on vibration control on cantilever Timoshenko Beam under earthquake excitation
Abstract High Static Low Dynamic Stiffness (HSLDS) is a kind of nonlinear visco-elastic device with features of passive control systems. …
Article scientifique
On the variations in the frequency of 25–70-day intraseasonal oscillations in Central Africa using wavelet-based indices
Abstract Atmospheric variability at the intraseasonal timescale remains of great concern in tropical Africa because of the vulnerability of the …
Article scientifique
Utilization of sugarcane factories’ wastes as inexpensive source of nutrients and CO2 for microalgal biomass production: process coupling and potential evaluation
Abstract One approach for the viable production of algal biomass is to couple its production with wastewater treatment plants, power …
Article scientifique
Biochemical transmutation in Lumbricus terrestris and phytoextraction of heavy metals from the swamp of Challawa industrial layout, Kano, Nigeria
Abstract Discharge of untreated industrial effluents has been associated with soil contamination. Biochemical alterations in Lumbricus terrestris and remediation capacity …
Article scientifique
Evaluation of groundwater potential in part of Ahmadu Bello University, Zaria, Northwest Nigeria
Abstract The need to address the acute water shortage problem within the Ahmadu Bello University Zaria Campus in Samaru necessitated …
Article scientifique
Exponent determination in a poorly gauged basin system in Nigeria based on flow characteristics investigation and regionalization method
Abstract In this study, a method for estimating the exponent “n” values of the catchment-area equations of four sub-basins within …
Article scientifique
A novel tree seed algorithm for optimal reactive power planning and reconfiguration based STATCOM devices and PV sources
Abstract Reactive power dispatch based on static synchronous compensator (STATCOM) and photovoltaic (PV) sources in coordination with reconfiguration strategy is …
Article scientifique
New collocation path-following approach for the optimal shape parameter using Kernel method
Abstract The goal of this work is to develop a numerical method combining Radial Basic Functions (RBF) kernel and a …
Article scientifique
A density functional theory (DFT) study of the doping effect on 4-[2-(2-N, N-dihydroxy amino thiophene) vinyl] benzenamine
Abstract In the present work, density functional theory was used at the B3LYP, CAM-B3LYP and B3PW91 levels with the 6–311 …
Article scientifique
Effect of the addition of pie-shaped ribs and parallelogram ribs in micro-channels on thermal performance using diamond-water nanofluid
Abstract In this paper, we numerically study the influence of the addition of parallelogram ribs and pie-shaped ribs in micro-channels …