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Natural Science is an international journal dedicated to the latest advancements in natural sciences. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of natural sciences. All manus…
Pavel A. Stabnikov
Known models of the Universe development are discussed in the present work. At present it is not possible to state what model is true among the suggested ones because all models are based on the assumptions a validity of which is scarcely determined. There ar…
Xiangrong Li, Xupei Zhao
A hybrid method of the Polak-Ribière-Polyak (PRP) method and the Wei-Yao-Liu (WYL) method is proposed for unconstrained optimization pro- blems, which possesses the following properties: i) This method inherits an important property of the well known PRP meth…
Dragutin Mihailović, Mirko Budinčević, Darko Kapor, Igor Balaž, Dušanka Perišić
The field of environmental sciences is abundant with various interfaces and is the right place for the application of new fundamental approaches leading towards a better understanding of environmental phenomena. Following the definition of environmental inter…
Sukumaran Santhosh Kumar, Rethinassamy Rengaiyan
Eclipse induced changes in solar radiation is a common interest of scientists all over the world. The disturbance of the heat balance along the supersonic travel of the trajectory of the Moon’s shadow could generate gravity waves during solar eclipse, which r…
Naseer Iqbal, Mohammad Shafi Khan, Tabasum Masood
In the present work the approach-thermody- namics and statistical mechanics of gravitating systems is applied to study the entropy change in gravitational clustering of galaxies in an expanding universe. We derive analytically the expressions for gravitationa…
Taoufik Ghabara
We present in this paper a numerical study of the validity limit of the geometrical optics approximation compared with a differential method which is established according to rigorous formalisms based on the electromagnetic theory. The precedent studies show…
Andrey N. Volobuev, Eugeny. S. Petrov
We considered the physiological mechanisms of functioning of the retina’s neural network. It is marked that the primary function of a neural network is an analog-to-digital conversion of the receptor potential of photoreceptor into the pulse-to-digital signal…
Ying-le Li, Jin Li, Ming-jun Wang, Qun-feng Dong
The distribution of electric field of an anisotropic dielectric elliptic sphere is presented by reforming both the electromagnetic parameter and shape parameter of this ellipsoid based on the scales transformation of electromagnetic theory. The obtained resul…
Hasi Ray
A brief survey is made to highlight the recent interests in positron, positronium and antimatter physics. Positron is the first antiparticle observed which was predicted by Dirac. Positronium is itself its antiparticle and bi-positronium molecule is recently…
Chin Kat Meng, Nasri A. Hamid, Mohd. Yusri Abd. Rahman
Superconducting electrical devices have been developed in various fields especially in industrial energy over a decade. Superconducting motor is one of the electrical devices that attracted the attention of engineers and researchers from the universities and…
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Natural Science is an international journal dedicated to the latest advancements in natural sciences. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of natural sciences. All manus… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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