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Superluminal Motion of Free Spin-half Particles in a Fiber Bundle Formalism

The hypothesis of the spin of an electron, leading to its angular momentum, is no longer an open question, in science. Experimental evidence like the hydrogen fine structure and the Stern-Gerlach experiment in the 1920s and, recently, Nuclear Magnetic Resonance (NMR) have for long paved the way to definitely end this debate. Equipped with this…
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July 12, 2019 0

Degradation Monitoring of Hindered Amine Light Stabilizer Doped Polymers

Polycarbonate (PC) is the most widely used aromatic polymer in various industrial applications. It is a condensation polymer in which benzene rings plus quaternary carbon atoms form bulky stiff molecules that promote rigidity and strength. The bulky chains crystallize with great difficulty, so the polymer is normally amorphous with excellent characteristics such as optical clarity,…
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July 12, 2019 0

Application of Xylopia aethiopica Seed Extract as Aluminium Alloy Corrosion Inhibitor in 0.75 M KOH Alkaline Solution

Corrosion  phenomena,  control  and  prevention  are  unavoidable  scientific  issues  that  should  be addressed due to increase of technological development. Aluminium (Al) is one of the most abundant elements found in the earth’s crust. The applications site of Almakes it to yield corrosion attack despite its corrosion resistance. The aim of alloying is to enhance the…
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July 12, 2019 0

Cosmic Vacuum Energy Determining the Space-Time Geometry of the Empty Universe

Different from energies constituted by baryons or photons both of which are expressed as energiesper particle, vacuum energy by its nature represents a ”volume energy”, i.e. an energy represented bythe sheer space volume, however, not simply reacting to the temporal change of this space volume,but rather in a non-evident way which we here try to…
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July 12, 2019 0

Paleoenvironmental Analysis and Its Significance in Sedimentology: Case Study of the Conglomerate Facies of the Awi Formation, Calabar Flank, Southeast Nigeria

Pebble morphometry of unbroken quartz pebbles collected from the basal section of Awi Formation exposed around Ewen area, southeastern Nigeria was studied for paleoenvironmental reconstruction. Paleoenvironmental analysis refers to the study or use of ancient geological materials (rocks) to infer the depositional environment or setting within which they were deposited. Pebble morphometric analysis has aided…
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July 12, 2019 0

A Simulation Study of Artificial Heating of the Ionosphere by Powerful High Frequency Radio Waves

Results of numerical modeling of the behavior of the F-layer ionospheric plasma during the periods of action of powerful high frequency radio waves, utilized for artificial heating experiments and pumped into the ionosphere by ground-based ionospheric heaters, are presented and discussed. For obtaining the presented simulation results, two distinct mathematical models were applied. The first…
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July 12, 2019 0

Stochastically-Induced Quantum-to-Classical Transition: The Lindemann Relation, Maximum Density at the He Lambda Point and Water-Ice Transition

In the present paper, by using the quantum stochastic hydrodynamic analogy (SQHA), the transition between gas, liquid and solid phases, made of structureless particles, have been analyzed. The interest for the quantum hydrodynamic analogy (QHA) has been recently growing by its strict relation with the Schrödinger mechanics. The SQHA shows that the quantum behaviour is…
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July 12, 2019 0

Study on the Doppler Method to Detect Metal Fault

The study deals with the interaction of ultrasound with metals discovered an unusual phenomenon. Microwave  sensor  indicates  fluctuations  of  electric  surface  conductivity  when  exposed  to  elastic ultrasonic vibrations in metal objects. The defective area is by a content of microdefects of the type “the mouth of the cracks”. They are known as the field of…
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July 12, 2019 0

Classical Mechanics from Stochastic Quantum Dynamics

The present study deals with the corresponding stochastic Schrödinger equation (SSE) leading to the quantum-to-classical  transition.This  work  shows  that  the  stochastic  generalisation  of  the  quantum hydrodynamic analogy (QHA) has its corresponding SSE. The SSE owns an imaginary random noise that has a finite correlation distance so that when the physical length of the problem is…
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July 12, 2019 0

Quiet Time Variation of Ionosphere Parameters near Equator

In recent, ionosphere has been intensively investigated by analyzing data variability and or improving existing models for now casting and or forecasting reasons. Therefore, the investigation of f2 layer critical frequency (fof2) parameter by means of the 2012 version of iri (international reference ionosphere) model and tiegcm (thermosphere ionosphere electrodynamics general circulation model) is required.…
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July 12, 2019 0