Assessing the level of toxic metals in pollution prone areas is imperative in order to ascertain their present levels. Top soil TS (0-15 cm) and sub soil SS (15-30 cm) samples and leachate were obtained in Oghara Teaching Hospital dumpsite. Three locations in the dumpsite were sa...
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Research Article10.9734/PSIJ/2018/37470
The sublevels of multi-quantum well structures (MQW) are calculated by the electron interference model and Kronig-Penney model, respectively. Comparing the values calculated theoretically with results measured in experiment, we can see that the values calculated theoretically by...
Open access
Research Article10.9734/PSIJ/2018/37306
In this study, the circuit realization and its corresponding implementation by means of analog components is presented for a new chaotic system. In particular, the polynomial chaotic Sun system, which has 12 terms, twelve parameters and six nonlinearities, is considered. A relati...
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Research Article10.9734/PSIJ/2017/38497
Anaerobic digestion is an effective method for organic pollution reduction and bio-energy production and has increasing applications worldwide. Produced biogas consists mainly of 50–70% methane (CH4) and 30–50% carbon dioxide (CO2). The most common utilization route of biogas is...
Open access
Research Article10.9734/PSIJ/2017/38559
The variation of gamma radiation intensity between 200 keV to 10.0 MeV was measured, in the period from June 28 to September 25 of 2017. These measurements were taken 25 meters above ground level in a tower in São José dos Campos, SP, Brazil. A minute interval was used from each...
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Research Article10.9734/PSIJ/2017/37789
The study assessed land use and land cover changes and its effect on the communities in southern Taraba specifically in Donga. The paper identify and delineate different LULC categories, evaluates the rate of change that occurred and examine the implication on incessant flooding...
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Research Article10.9734/PSIJ/2017/37098
The Schrödinger equation in one dimension for the q-deformed attractive radial plus coulomb-like molecular potential (ARCMP) is solved approximately to obtain bound states eigen solutions using the parametric Nikiforov-Uvarov (NU) method. The corresponding unnormalized eigen func...
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Research Article10.9734/PSIJ/2017/38034
Coal-fired power plants emit greenhouse gases (GHG) that cause global warming. Coal, being one of the most important fossil fuel, emits three times as much GHG as natural gas. The combustion of coal (fossil fuels at large) discharge different kinds of chemical substances that aff...
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Research Article10.9734/PSIJ/2017/38354
Focusing on the initial development of quantum mechanics, we will give a brief historical synopsis of the theory foundations, based on the Fourier framework and stating the philosophical conclusions inspired by that same mathematical formalism. We will then proceed, introducing a...
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Research Article10.9734/PSIJ/2017/37038
A simple optical fiber relative humidity sensor was fabricated using a lithium chloride film coated on the distal end of sensing fiber. The sensing element, lithium chloride film whose refractive index is sensitive to moisture, thereby changes the reflected light intensity of the...
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Research Article10.9734/PSIJ/2017/37309
In this work Matlab simulation of the atomic Liouville equation for spontaneous emissions was developed for laser cooling of Radium atoms. The atomic decay time driven was determined according to the photon account. The theory includes the mechanical light effect for to atomic st...
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Research Article10.9734/PSIJ/2017/37726
Raman scattering measurement of GaAs/Al0.28Ga0.72As super-lattice has been performed by an incident light with the wave-vector perpendicular to super-lattice growth axis at room temperature. Several peaks in Raman Scattering spectrum are observed. Theoretical analysis shows that...
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Research Article10.9734/PSIJ/2017/37435
In this paper we consider the quantization of the time-dependent harmonic oscillator and its associated Berry phase using the invariant operator method, as well as the occupation number of the induced quasi-particle production. Furthermore, we point out that in the literature the...
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Research Article10.9734/PSIJ/2017/37327
Vertical electrical sounding was conducted at a solid waste landfill in Aluu community for a hydro-geophysical assessment of the contamination of soil and groundwater. The ABEM Terrameter employing the Schlumberger array was used for direct current resistivity model using a maxim...
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Research Article10.9734/PSIJ/2017/37120
B. M. Pakouzou, M. S. T. Ky, S. T. Gbembongo, G. P. Ouedraogo, O. A. Mackpayen, B. Dianda, S. Kam & D. J. Bathiebo·Physical Science International Journal·2017
Indirect solar dryers with solar collectors, do not always make it possible to reach the desired temperature level and drying time. As part of the improvement of the thermal performance of these systems, a study of the caustic zone is first presented. It is in this zone that the...
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Research Article10.9734/PSIJ/2017/37156