ADSORPTION OF SELECTED HEAVY METAL IONS FROM MINING WASTEWATER USING Carica papaya STEM ACTIVATED CARBON  

2020-01-01
Mining is one of the major industrial activities that generate wastewaters that are discharged into the environment. The wastewater contains heavy metals of various concentrations deleterious to plants. animals and ...

EMPIRICAL AND THEORETICAL MODELING OF ANTHOCYANIDINS USED AS SENSITIZERS IN DYE-SENSITIZED SOLAR CELLS  

2018-05-27
Some drawbacks concerning the application of anthocyanidins as sensitizers in Dye- sensitized Solar Cells (DSSCs) are low efficiency and stability of are photovoltaic devices. This study investigated structural effects and ...

EFFICIENCY IMPROVEMENT OF DYE SENSITIZED SOLAR CELLS USING SILVER AND GOLD NANOPARTICLES IN MODIFIED TiO2- BASED PHOTOANODE  

2021-04-02
Dye Sensitized Solar Cells (DSSCs) is one of the renewable source of energy that has attracted attention of researchers due to its low cost and environmental friendliness. The performances of ...

DEVELOPMENT OF A WILDLIFE SPOOR RECOGNITION SYSTEM USING MODIFIED WEIGHTED-AVERAGE GENETIC ALGORITHM  

2021-05-27
Automatic wildlife spoor recognition has gained increased attention among researchers in wildlife management and computer science fields. However, wildlife tracking and identification based on facial appearance, spot matching, coat patterns ...

ISOLATION AND CHARACTERIZATION OF BIOACTIVE COMPOUNDS FROM STEM BARK EXTRACTS OF NAUCLEA POBEGUINII  

2012-04-20
The stem bark of Naucleo was extracted with solvents of varied polarities (n-hexane. ethyl acetate and ethanol) using cold extraction method and the extracts were concentrated by simple distillation. Phytochemical ...

DEVELOPMENT OF A MODIFIED IDENTITY-BASED CRYPTOSYSTEM FOR INTRUSION DETECTION IN VEHICULAR AD-HOC NETWORKS  

2021-02-24
Vehicular Ad-hoc Networks (VANETs) are wireless-equipped vehicles that form networks spontaneously while travelling along the road. However, security has been a major challenge of this kind of networks as intruders ...

ECONOMIC ANALYSIS OF ROAD FREIGHT TRANSPORT OPERATING COSTS IN SOUTH WESTERN NIGERIA  

2019-09-03
Road transportation mode has played a huge role in distributing goods to the public in a timely, efficient and effective way. One of the components that affect the cost of ...

IMPACT ASSESSMENT PARADIGM FOR THE ADOPTION OF INFORMATION AND COMMUNICATION TECHNOLOGY IN BASIC EDUCATION USING CROSS-IMPACT METHOD  

2015-04-22
In many countries, the adoption of Information and Communication Technology (ICT) in basic education has been continuously linked to higher efficiency, productivity, and educational outcomes, including quality of cognitive, creative ...

DEVELOPMENT OF HIGH DEFINITION TELEVISION MICROSTRIP PATCHANTENNA FOR TERRESTIAL TELEVISION RECEPTION  

2015-01-03
Communication systems comprise of a transmitter, transmission channel and a receiver that transfers infonnation as a form of energy using an antenna. An antenna is a metallic conductor that couples ...

MATHEMATICAL FORMULATION OF SUMUDU TRANSFORM SERIES DECOMPOSITION METHOD FOR THE SOLUTION OF DIFFERENTIAL EQUATIONS  

2016-06-25
Differential equations have wide applications in various Engineering and Science disciplines, and to solve the many of the modelled differential equations analytically poses a lot of problems due to the ...