249 publication(s) trouvée(s)
Article scientifique
Metal oxides and their roles in heterogeneous catalysis: special emphasis on synthesis protocols, intrinsic properties, and their influence in transfer hydrogenation reactions
Abstract This review emphasizes La-based metal oxides of the perovskite form and their application in heterogeneous catalytic transfer hydrogenation (CTH) …
Erratum
Correction to: On the rub-impact force, bifurcations analysis, and vibrations control of a nonlinear rotor system controlled by magnetic actuator integrated with PIRC-control algorithm
Article scientifique
Assessment of the activity of the mbalmayo thermal power plant on groundwater quality
Abstract Groundwater is essential for daily life in Cameroon, but pollution sources can harm its quality through infiltration and dispersal …
Article scientifique
Oil spill vulnerable areas in Arzew Gulf: a study case
Abstract This study focuses on the Gulf of Arzew in Oran, an important area of the Algerian economy and the …
Article scientifique
Investigation of wear and friction behavior of stir rheocast AA2024/TiB2 composite using Taguchi approach
Abstract This study presents wear and friction behaviour of AA2024/TiB2 composite developed in semi-solid temperature region of the alloy. The …
Article scientifique
Heat-assisted extraction of phenolic-rich bioactive antioxidants from Enantia chlorantha stem bark: multi-objective optimization, integrated process techno-economics and profitability risk assessment
Abstract This present study investigates the heat-assisted extraction (HAE) of bioactive antioxidants from Enantia chlorantha stem bark (ECSB). The effects …
Article scientifique
Metal–organic framework mediated Ni-deposition on MWCNTs for direct methanol fuel cell catalysis
Abstract Herein, we present the utilization of Ni2+-doped, amine-functionalized, UiO-66-NH2 metal–organic framework (MOF) nanoparticles deposited onto multi-walled carbon nanotubes (MWCNTs) …
Article scientifique
A geo-spatial assessment of drought impacts on forest cover in yabello forest, in the semi-arid region of Ethiopia
Abstract Drought is a key challenge for third-world countries whose economies are based on agriculture. Also, lack of rainfall plays …
Article scientifique
Tourmaline occurrence and gold mineralization at a granitoid-metasediment contact in the Upper Lom Basin, east Cameroon
Abstract Gold mineralization of the Upper Lom Basin in the eastern Cameroon goldfield is spatially associated with tourmaline. The goldfield …
Article scientifique
The role of chemistry and fineness of metakaolin on the fresh properties and heat resistance of blended fly ash-based geopolymer
Abstract Sensible thermal energy storage using concrete as a storage medium is a promising technology that helps minimize energy in …
Article scientifique
Trend analysis of hydro-climate variables in the Jemma sub-basin of Upper Blue Nile (Abbay) Basin, Ethiopia
Abstract The change in climate elements such as rainfall and temperature are determinant factors of hydrological components (e.g., streamflow, water …
Article scientifique
Delineation of aquifer promising zones and protective capacity for regional groundwater development and sustainability
Abstract Water security is the central mission of the sustainable development goals. The demand for potable and clean water has …
Article scientifique
Utilization of sawdust composites in construction—a review
Abstract This study presents the use of sawdust ash as a substitute in the production of sustainable building materials. Inappropriate …
Article scientifique
GIS-based flood risk assessment using multi-criteria decision analysis of Shebelle River Basin in southern Somalia
Abstract Floods are the most common and expensive natural calamity, affecting every country. Flooding in the Shebelle River Basin (SRB) …
Article scientifique
Interaction of the fundamental frequencies of a torsional cantilever nanobeam and spring mass system single degree of freedom (SDOF) under axial load, including buckling
Abstract In this study we present the interactions of the fundamental frequencies of a nanomanufacturing coupled system by exploring the …
Article scientifique
A Wenner array routine for optimum electrode spacing selection for resistivity measurements over thin subsurface media
Abstract This study was carried out with a view to establishing a routine for the selection of the optimum electrode …
Article scientifique
Prototype design and modeling of active-loaded differential amplifier using Double-Gate MOSFET
Abstract This research work designs a prototype of an active-loaded differential amplifier using Double-Gate (DG) MOSFETs. The following text outlines …
Article scientifique
A comparative study for the removal of reactive red 49 (RR49) and reactive yellow 15 (RY15) using a novel electrode by electrocoagulation technique
Abstract The present work deals with the investigation of the efficiency of the electrocoagulation (EC) technique in the removal of …
Article scientifique
Impact of urban and peri-urban growth on arable land (1976–2029) in a medium sized city of Shire Indaselassie, North Western Tigray, Ethiopia
Abstract Urban and peri-urban areas have been growing rapidly globally due to population increase and other factors. However, poor urban …
Article scientifique
Water quality indices as tools for assessment of the Eastern Harbor’s water status (Alexandria, Egypt)
Abstract Based on weekly sampling, the present short-term study was set out over a one-year cycle in the Eastern Harbor …