Afribary Repository
Open Source Laser Polymer Welding System: Design and Characterization of Linear Low-Density Polyethylene Multilayer Welds
The use of lasers to weld polymer sheets provides a means of highly-adaptive and custom additive manufacturing for a wide
DESIGN AND FABRICATION OF SINGLE PHASE INDUCTION MOTOR FOR NUMERICAL MACHINE COMPLEX
The energy sector plays a major role in driving Kenya’s economy. The need to conceive, develop and sustain energy generat
PROFESSIONALISM, ENTREPRENEURSHIP AND NATIONAL DEVELOPMENT
An article on the peculiarites of professionalism, its relationship to entrepreneurship and the effects on the national d
NIGERIA CUSTOMS SERVICE AND THE FIGHT AGAINST ECONOMIC TERRORISM
1.BACKGROUND OF STUDY Since its independence in 1960, Nigeria has been trying to transform its status from a third world
An Assessment of Islamic Law as Customary Law vis a vis the Supreme Court Ruling in Alkamawa v Bello and Anor 1998 6 SCNJ 127
ABSTRACT There has been a controversy as to the question whether Islamic law can be classified as customary law in Nig
Evaluation of the dangers of corrosion in marine piping system using carbon steel c-1040.
The research was undertaken to ascertain the level and ingress of corrosion in carbon steel C-1040.
Quoting and Translating in Historical Research - A Justification
The ultimate concern of a historian is the possibility of gaining the knowledge of events and actions (in the course of t
The RepRap 3-D Printer Revolution in STEM Education
STEM is an acronym for science, technology, engineering and mathematics fields of study meant to improve U.S. competitive
Quantifying the Value of Open Source Hard-ware Development
With the maturation of digital manufacturing technologies like 3-D printing, a new paradigm is emerging of distributed ma
A novel synthesis of tin oxide thin films by the sol-gel process for optoelectronic applications
A novel and simple chemical method based on sol-gel processing was proposed to deposit metastable orthorhombic tin oxide
The Case for Weaker Patents
This Article provocatively asserts that lawmakers should weaken patents significantly—by between 25% and 50%. The primary
Optimization of annealing cycles for electric output in outdoor conditions for amorphous silicon photovoltaic–thermal systems
Previous studies with fixed operating temperatures have shown that hydrogenated amorphous silicon (a-Si:H) was a promisin
Open-source 3-D printing Technologies for education: Bringing Additive Manufacturing to the Classroom
Objective 3-D printing technologies have the potential to improve both Science, Technology, Engineering, and Mathematics
A Virtual Educational Exchange: A North-South Virtually-Shared Class on Sustainable Development
Increasingly international competence is considered and important skill to be acquired from an undergraduate education. B
Applications of Open Source 3-D Printing on Small Farms
There is growing evidence that low-cost open-source 3-D printers can reduce costs by enabling distributed manufacturing o
Total U.S. cost evaluation of low-weight tension-based photovoltaic flat-roof mounted racking
The economics in the U.S. of solar photovoltaic (PV) systems is changing rapidly as the cost per unit power of PV modules
Peanut shaped ZnO microstructures: controlled synthesis and nucleation growth toward low-cost dye sensitized solar cells.
This paper describes a simple, low-temperature and cost effective chemical precipitation method in aqueous media to synth
Evaluation of RepRap 3D Printer Workshops in K-12 STEM
As facilitators of 3D printer workshops, the authors developed a survey to gage how the printers are actually being used
Maximizar la rentabilidad de la inversión para la salud pública con hardware médico de código abierto
La mayoría de los centros médicos y laboratorios de investigación tienen un acceso limitado a las mejores herramientas de
Return on Investment for Open Source Hardware Development
The availability of free and open source hardware designs that can be replicated with low-cost 3-D printers provide large
Intellectual Property as a Strategic National Industrial Weapon: the Case of 3D Printing.
There is some consensus between such disparate voices as the Economist on the right and Jeremy Rifkin on the left that
Limitations of ultra-thin transparent conducting oxides for integration into plasmonic-enhanced thin-film solar photovoltaic devices
This study investigates ultra-thin transparent conducting oxides (TCO) of indium tin oxide (ITO), aluminum-doped zinc oxi
In Situ Formation of Substrate Release Mechanisms for Gas Metal Arc Weld Metal 3-D Printing
This study provides an in-depth investigation into low-cost and no-cost substrate release mechanisms that allow gas metal
Performance of U.S. hybrid distributed energy systems: Solar photovoltaic, battery and combined heat and power
Until recently, the relatively high levelized cost of electricity from solar photovoltaic (PV) technology limited deploym
Open-Source Photometric System for Enzymatic Nitrate Quantification
Nitrate, the most oxidized form of nitrogen, is regulated to protect people and animals from harmful levels as there is a
Double amorphous silicon-carbide p-layer structures producing highly stabilized pin-type protocrystalline silicon multilayer solar cells
We have applied double p-type amorphous silicon-carbide p-a-SiC:H layer structures to pin-type protocrystalline silicon p
Light-induced defect states in hydrogenated amorphous silicon centered around 1.0 and 1.2 eV from the conduction band edge
To take into account the presence of multiple light-induced defect states in hydrogenated amorphous silicon (a-Si:H) the
Controlling optical absorption in metamaterial absorbers for plasmonic solar cells
Metals in the plasmonic metamaterial absorbers for photovoltaics constitute undesired resistive heating. However, tailori
Educational Pathways to Remote Employment in Isolated Communities
Those who live in isolated communities often lack reliable, skilled employment opportunities, which fundamentally undermi
Photovoltaic System Performance Enhancement With Non-Tracking Planar Concentrators: Experimental Results and Bi-Directional Reflectance Function (BDRF) Based Modelling
Non-tracking planar concentrators are a low-cost method of increasing the performance of traditional solar photovoltaic (