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Now showing items 61-70 of 127
On a complex spacetime frame: new foundation for physics and mathematics
(Research gate, 2016)
This paper provides a derivation of a unit vector specifying the temporal axis of four-dimensional space-time frame as an imaginary axis in
the direction of light or general wave propagation. The basic elements
of the ...
Probing the stoichiometry dependent catalytic activity of nickel selenide counter electrodes in the redox reaction of iodide/triiodide electrolyte in dye sensitized solar cells
(Royal Society of Chemistry, 2020)
Nickel selenide (NixSey) systems have received much attention in recent years as potential low cost counter
electrodes (CEs) in dye sensitized solar cells (DSSCs). Their electrocatalytic activities are comparable to ...
Elementary partial differential equations
(Lambert, 2013-06-01)
The importance of partial differential equations cannot be gainsaid. They are used in science and engineering. Many natural phenomena such as sound, heat, electrostatics, electrodynamics, fluid flow etc occurring in science ...
Some new features of photon statistics in a fully quantized parametric amplification process
(Scientific Research Publishing, 2014)
An exact quantum treatment reveals that signal and idler photon number operators are not wellbehaved dynamical operators for studying photon statistics in parametric amplification/downconversion processes. Contrary to ...
General analytical solution for the one dimensional regular Cauchy problem of Euler-Poisson-Darboux equation
(Hikari Ltd, 2017)
A general analytical solution to the one dimensional regular Cauchy
problem of Euler-Poisson-Darboux (EPD) equation has been investigated. The one dimensional EPD which is a Partial Differential Equation (PDE) with initial ...
Characteristics of psychiatric in-patients who engage in assualtive behaviour in Mathari Hospital, Nairobi
(University if Nairobi Research archive, 1991)
Literature on assaultive behaviour by psychiatric in patients was reviewed. A total of 142 violent incidents perpetrated by 68 males and 74 female patients were studied over a period of 3 months. Of the total incidents of ...
Stability Investigation in the Optical Properties of Thermally Evaporated Ge5Se95-x Znx Thin Films
(University of Nairobi, Kenya, 2015)
Selenium-based chalcogenides are useful in telecommunication devices like infrared optics and threshold switching
devices. The investigated system of Ge5Se95-xZnx (0.0 ≤ x ≤ 4 at.%) has been prepared from high purity ...
heoretical Realization of a Two Qubit Quantum Controlled-NOT Logic Gate and a Single Qubit Quantum Hadamard Logic Gate in the Anti-Jaynes-Cummings Mode
(ResearchGate, 2021)
The interactive and cumulative effect of temperature and rainfall on land cover change is a priority at global, regional and local scale. This study examined changes in six land cover categories (forestland, grasslands, ...
Structural and spectroscopic analysis of ex-situ annealed RF sputtered aluminium doped zinc oxide thin films
(AIP Publishing LLC, 2017)
Aluminium doped zinc oxide thin films are prepared by Radio Frequency magnetron sputtering in
pure argon atmosphere at 100 W. The structural results reveal good film adhesion on a silicon
substrate (001). The thin films ...
Microstructural and elastic properties of stable aluminium-rich TiAl and TiAl2 formed phase Intermetallics
(North-Holland, 2021)
We studied aluminium-rich Ti-Al (Ti32Al68 and Ti40Al60) binary alloys that were composed of TiAl and
TiAl2 lamellar microstructures. The law of mixtures was employed in calculating the theoretical
Young’s moduli. The ...