Profile variations in the Ha and Hb lines in the spectra of the stars HD198478 and HD187982 are investigated from spectroscopic observations acquired in 2010-2011, 2013-2015 at the Cassegrain focus of the 2-m telescope at the Shamakhy Astrophysical Observatory. The spectral resol...
Open access
Research Article10.9734/PSIJ/2016/29808
In a rather terse note, published in 1935, G.W. Hammar explained his brilliant experiment destined to put away, once and for all, the notion of “aether entrainment”. Certain physicists, such as Dayton Miller, insisted that the null result of the Michelson-Morley experiment and i...
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Research Article10.9734/PSIJ/2016/29643
Salt lakes and small – scaled salt production in Ebonyi State, Nigeria have long interesting history and the need to be informed of the radiological quality of the salt is essential to radiation measurement and protection agencies. Gross alpha and beta activity concentrations ha...
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Research Article10.9734/PSIJ/2016/28111
In this experimental study, we have determined both thermo-physical and mechanical properties of raw soil blocks stabilized with fiber straws. Also was studied, the influence of straw content incorporated in the blocks for both properties. Thermophysical properties are determined...
Open access
Research Article10.9734/PSIJ/2016/29586
The present study deals with the MHD stagnation point flow of Nanofluid past a non-isothermal stretching sheet in porous medium. The presence of Brownian motion and thermophoresis effects yields a coupled nonlinear Boundary Value Problem. The sheet is assumed to be permeable. Sim...
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Research Article10.9734/PSIJ/2016/29926
In this paper, we have determined the free energy of a binary alloy for any order and it is showed that the number of equilibrium states of the system is obtained by the Taylor expansion to the 4-th order choice. We explicitly determine the stable states of alloy which are charac...
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Research Article10.9734/PSIJ/2016/29954
The work presents the design and implementation of a Central Electronic Equipment Security Lock System - a security and access control system for used in public and private organisations as a means to restrict unauthorized access to valuable electronics equipment. The system inte...
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Research Article10.9734/PSIJ/2016/29472
This article numerically studies the influence of Buoyancy effects and thermal radiation of the nonlinear MHD flow with heat and mass transfer characteristics of an incompressible, viscous, electrically conducting and Boussinesq fluid along a permeable vertical stretching sheet....
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Research Article10.9734/PSIJ/2016/29107
In this paper we show on the base of new ideas about the origin and evolution of the Universe, that in three-dimensional space the fundamental particles should have electric charges equal to 0, ±e, ±2e, ±3e, what corresponds to the neutron and three pairs of light stable nuclei (...
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Research Article10.9734/PSIJ/2016/28694
A criticality study has been conducted while verifying large masses of Low Enriched Uranium (LEU) samples in an Active Well Neutron Coincidence Counter (AWCC). Fissile material mass limits were determined for some setup conditions to assure safe operation of the counter. The work...
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Research Article10.9734/PSIJ/2016/29206
We study ion cyclotron (IC) oscillations activated by a stochastic, strong space-charge electric wavefield E of nonlinear waves propagating auroral ionosphere. E is in a plane perpendicular to the ambient magnetic field B. The word “strong” means that (1) the conventional linear...
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Research Article10.9734/PSIJ/2016/29209
Ternary compound of semiconductor polycrystals Copper Tin Selenide, Cu2SnSe3, thin films have been prepared by vacuum thermal evaporation technique on well-cleaned glass substrate and annealed in purified nitrogen atmosphere from room temperature to 500°C for different annealing...
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Research Article10.9734/PSIJ/2016/29024
Filamentary space-charge aurorae bring about cylindrical structures symmetric to local geomagnetic field lines in auroral ionosphere. It produces arbitrary structured electric fields. Developed from previous work on a backward mapping technique to solve ion velocities and transpo...
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Research Article10.9734/PSIJ/2016/29210
Plasma echo theory is revisited, and we apply it to a plasma slab bounded by a vacuum. Spatial echoes in a slab plasma are investigated by calculating the electric field produced by external charges and satisfying the boundary conditions at the interfaces. We determine the echo s...
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Research Article10.9734/PSIJ/2016/28647
It is a review of some new electrodynamics models of interacting charged point particles and related with them fundamental physical aspects, motivated by the classical A. M. Amper's magnetic and H. Lorentz force laws, as well as O. Jefimenko electromagnetic field expressions. Bas...
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Research Article10.9734/PSIJ/2016/28935