249 publication(s) trouvée(s)
Article scientifique
ID-based key-insulated signcryption with equality test in cloud computing
Abstract Key-insulated encryption reduces the problem of secret key exposure in hostile setting while signcryption cryptosystem attains the benefits of …
Article scientifique
Switched time delay control based on artificial neural network for fault detection and compensation in robot manipulators
Abstract This work proposes a switched time delay control scheme based on neural networks for robots subjected to sensors faults. …
Article scientifique
Pan-African rare metals bearing pegmatites in Wadi Ghadir, South Eastern desert, Egypt: the geochemical evolution and implications for mineralization
Abstract Quartz-diorites, monzogranites and pegmatites are the main rock units in the studied area. The pegmatites occur as zoned pockets …
Article scientifique
Effects of interphase coupling in one-dimensional particle-laden flow
Abstract In Euler–Euler particle-laden flow models, the interphase coupling terms might include, in addition to the drag force, the effects …
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 …