*SCIREA Journal of Physics* is an
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done.

# Volume 9, Issue 3, June 2024

Open Access

Qing Cao, Jing Xu

Abstract: This paper aims to realize the reduction between/among different valid categorical syllogisms and establish a concise formal axiomatic system for categorical syllogistic. Making full use of the tripartite structure of categorical propositions, the symmetry of no and some, the definable relationship between the quantifier al

Open Access

Nasko Elektronov

Abstract: In this paper, in the absence of forces we show how it is possible calculated the velocity of a moving uniform and rectilinear body without use external benchmarks. This is done using photodetectors that measure the arrival time of light from a point internal source to fixed equal distances inside the body.

We also

Open Access

A.V. Bunyakin

Abstract: This work is based on the topological properties of the solution one-dimensional unsteady gas flow system with constant speed sonic. The paper presents the principle of constructing a mesoscopic analogy-computing device that implements addition and multiplication operations. The fie effect, which is modeled by these operati

# Volume 9, Issue 2, April 2024

Open Access

Nasko Elektronov

Abstract: This paper compares the magnetic fields of linearly moving charges with those of orbit ally moving charges. With simple qualitative experiments are shown the structure of the magnetic fields created by these movements. The concept of a pole less magnetic field is introduced, which is created by linear and inertial moving po

Open Access

Song Xiao Wu, Xing Chen, Hui Liu

Abstract: In 1900, Rayleigh put forward a complete expression of blackbody radiation distribution function, but the specific coefficient value was not given. It was not until 1905 that Rayleigh reconsidered the problem of blackbody radiation in the long wave region that he calculated the specific coefficient value, but the coefficien

# Volume 8, Issue 6, December 2023

Open Access

Nasko Elektronov, Zhivko Kushev

Abstract: The influence of the Coriolis inertial force, generated by orbital and spin motions of distant objects, on the energies of electromagnetic radiation during the exchange of photons between them is shown. The presence of a red or blue spectral shift arising from this influence has been demonstrated, which is fully consistent

Open Access

(14.82 %, 12.16 %, 26.55 %, or 23.69 %)-Limiting Highest Efficiencies, obtained respectively in \mathbf{n}^+(\mathbf{p}^+)-\mathbf{p}(\mathbf{n})\ Crystalline (\mathbf{X}\equivGe, GaSb, CdTe, or CdSe)-Junction Solar Cells, Due to the Effects of Impurity Size, Temperature, Heavy Doping, and Photovoltaic Conversion
H. Van Cong

Abstract: In the n^+(p^+)-p(n) crystalline (X\equivGe, GaSb, CdTe or CdSe)-junction solar cells at 300K, due to the effects of impurity size, temperature, heavy doping, and photovoltaic conversion, we show that, with an increasing donor (acceptor)-radius r_{d\left(a\right)}, both the relative dielectric constant and photovoltaic conv

Open Access

H. Van Cong, K. C. Ho-Huynh Thi, P. Blaise, C. T. Pivet, C. V. Huynh, M. Cayrol, S. Munoz

Abstract: In two new single n^+(p^+)-p(n)\ X(x)-alloy junction solar cells at 300 K,\ [X(x)\equivCdS_{1-x}{\rm Se}_x, CdS_{1-x}{\rm Te}_x],0\lex\le1, by basing on the same physical model-and-treatment method, as used in our recent works [1, 2], we obtain the highest (or maximal) efficiencies, \eta_{Imax.(IImax.)}, given in the foll

# Volume 8, Issue 5, October 2023

Open Access

Eugene V. Oleinikov, Alexander I. Lengyel, Oleg O. Parlag, Volodymyr T. Maslyuk, Igor V. Pylypchynets

Abstract: A parametric description of the dependence of the average number of prompt neutrons on the mass of fragments ν(A) from the actinides ( ^{235}U and ^{238}U) photofission has been developed for the range of energies of the first chance of fission (from thresholds of (γ,f) reaction to thresholds of (γ,nf) react

Open Access

GANKA KAMISHEVA, MARIA IVANOVA

Abstract: Bulgarian Academy of Sciences transformation into experimental research institution during the second half of 20th century has examined briefly. New scientific branches together with new members of Bulgarian Academy of Sciences have shown. Self-made scientific apparatuses and new scientific and applied results have pointed out.

Open Access

Emmanuel Saucedo-Flores, Víctor Manuel Rangel-Cobián

Abstract: The proton magnetic moment is computed by considering its quarks generated currents based in orbit-like circuits created as they are carted along by its hauler spin. Equations are derived for each quark magnetic moment for two possible rotations modes; needed quarks configurations for each rotation mode to obtain the experi

Open Access

Shtyrov Nikolay

Abstract: The physical properties of force diagrams of kinetic macroindentation of materials by the Brinell sphere are studied. Theoretical and experimental substantiation of physical concepts of the function and number of hardness, new analytical methods for analyzing data from the process of kinetic macroindentation. Universal phys

# Volume 8, Issue 4, August 2023

Open Access

H. Van Cong

Abstract: In the n(p)-type heavily doped InSb-crystals, at the temperature T and high d(a)-density N, our expression for the static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), expressed as a function of the donor (acceptor) radius, r_{d\left(a\right)}, and determined by using an effective Bohr model, as that inv

Open Access

H. Van Cong

Abstract: As given in Eq. (2) and Table 1, our analytical expression for the static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), given in the n(p)-type InAs crystal, expressed as a function of the donor (acceptor) radius, r_{d\left(a\right)}, and determined from an effective Bohr model, decreases with increasing

Open Access

H. Van Cong, K. C. Ho-Huynh Thi, P. Blaise

Abstract: As given in Eq. (2) and Table 1, our analytical expression for the static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), given in the n(p)-type GaSb crystal, expressed as a function of the donor (acceptor) radius, r_{d\left(a\right)}, and determined from an effective Bohr model, decreases with increasing

Open Access

H. Van Cong

Abstract: In our two previous papers [1, 2], referred to as I and II. In I, our new expression for the extrinsic static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), r_{d\left(a\right)} being the donor (acceptor) d(a)-radius, was determined by using an effective Bohr model, suggesting that, for an increasing r_{d\

Open Access

H. Van Cong

Abstract: In our two previous papers [1, 2], referred to as I and II. In I, our new expression for the extrinsic static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), r_{d\left(a\right)} being the donor (acceptor) d(a)-radius, was determined by using an effective Bohr model, suggesting that, for an increasing r_{d\

Open Access

H. Van Cong

Abstract: In our two previous papers [1, 2], referred to as I and II. In I, our new expression for the extrinsic static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), r_{d\left(a\right)} being the donor (acceptor) d(a)-radius, was determined by using an effective Bohr model, suggesting that, for an increasing r_{d\

Open Access

H. Van Cong

Abstract: In our two previous papers [1, 2], referred to as I and II. In I, our new expression for the extrinsic static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), r_{d\left(a\right)} being the donor (acceptor) d(a)-radius, was determined by using an effective Bohr model, suggesting that, for an increasing r_{d\

Open Access

Andreas Mangler, Julian Eise, Qi Zhang

Abstract: Nowadays more and more health risks are increasing. Beside the viruses, there are also other particles which have an impact on the human well-being. The so called volatile organic compounds (VOCs) are substances in the air and can be harmful in high concentrations. Therefore, the detection of VOC value is particularly important.

# Volume 8, Issue 3, June 2023

Open Access

H. Van Cong

Abstract: In our three previous papers [1, 2, 3], referred to as I, II and III. In I and II, our new expression for the static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), r_{d\left(a\right)} being the donor (acceptor) d(a)-radius, was determined by using an effective Bohr model, suggesting that, for an increasin

Open Access

H. Van Cong

Abstract: In the n(p)-type degenerate GaAs-crystals, at low temperature T and high d(a)-density N, our expression for the static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), expressed as a function of the donor (acceptor) radius, r_{d\left(a\right)}, and determined by using an effective Bohr model, as that invest

Open Access

H. Van Cong

Abstract: In the n(p)-type degenerate InP-crystals, at low temperature T and high d(a)-density N, our expression for the static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), expressed as a function of the donor (acceptor) radius, r_{d\left(a\right)}, and determined by using an effective Bohr model, as that investi

Open Access

Emmanuel Saucedo-Flores, Víctor Manuel Rangel-Cobián

Abstract: This paper makes use of the Planck constant based definition of the Bohr magneton expression and the standard derivation of the magnetic moment of a point-like electron orbiting on a circle with a radius equal to its Compton wavelength. This illustrates the wave-like nature of the normal electron magnetic moment. Additiona

Open Access

H. Van Cong

Abstract: In the n(p)-type degenerate Ge-crystals, at low temperature T and high d(a)-density N, our expression for the static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), expressed as a function of the donor (acceptor) radius, r_{d\left(a\right)}, and determined by using an effective Bohr model, as that investig

# Volume 8, Issue 2, April 2023

Open Access

Hao Zhou, Xiang Liu, Weiguo Zhang, Yiwen Liao

Abstract: The objective of this work is to construct a new efficient numerical scheme to solve the Fitzhugh-Nagumo model. For the space discretization, Chebyshev spectral method proposed on Legendre orthogonal approximations on Gauss- Chebyshev- Lobatto points. A high-order Runge-Kutta algorithm was used in the time direction. The fu

Open Access

Nikolay Takuchev

Abstract: **Introduction:** According to the results from several studies high-energy positive solar particles’ fluxes, invading Earth are correlated with mortality from ischemic heart diseases. According to statistics from World Health Organization (WHO), ischemic heart diseases are the first on the list of the 10 most frequent c

Open Access

H. Van Cong

Abstract: In our two previous papers [1, 2], referred to as I and II. In I, our new expression for the extrinsic static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), r_{d\left(a\right)} being the donor (acceptor) d(a)-radius, was determined by using an effective Bohr model, suggesting that, for an increasing r_{d\

Open Access

H. Van Cong

Abstract: In our two previous papers [1, 2], referred to as I and II. In I, our new expression for the extrinsic static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), r_{d\left(a\right)} being the donor (acceptor) d(a)-radius, was determined by using an effective Bohr model, suggesting that, for an increasing r_{d\

Open Access

Syaharuddin Kasim, Subehan, Gemini Alam, Yusnita Rifai, Ismail, Sarce, Rifka Nurul Utami

Abstract: Over time, new extraction methods have been developed, one of which is the Microwave Assisted Extraction (MAE) method. The mechanism of action of this method is to use microwave energy to heat the solvents that come into contact with the sample. The problem is whether carrageenan can be extracted from the red algae Kapp

Open Access

H.-Q. Liu

Abstract: Based on the historical viewpoints and our published viewpoints, and also adding some deeper insight, in this paper new explanations are given to the Solar system and the Galaxy. We also clarify the prevalent theory of matters to indicate that the method of dating ancient sites with carbon-14(C-14) is invalid.

Open Access

H. Van Cong

Abstract: In our two previous papers [1, 2], referred to as I and II. In I, our new expression for the extrinsic static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), r_{d\left(a\right)} being the donor (acceptor) d(a)-radius, was determined by using an effective Bohr model, suggesting that, for an increasing r_{d\

Open Access

Ke Meng, Enbo Liu

Abstract: The electronic equipment needs a special circuit design during working in complex electromagnetic environmental. Human-made or natural electromagnetic interference has a large effect on electronics. Both the couple of signal cable and the bit error rate during high-speed communication affects the reliability of equipment. T

# Volume 7, Issue 6, December 2022

Open Access

Akram Tovbaev, Muxtar Ibadulaev, Zokir Safarov

Abstract: This article considers the mode of excitation of sub harmonic oscillations of the third order in a three-phase circuit consisting of active, capacitive and inductive elements having a common magnetic bond, which are analogous to the power line "line - unloaded transformer". Equations of motion are derived from the method of

Open Access

Minhua Chen

Abstract: According to Aristole’s Categories, there are three kinds of concept, i.e. substance, quality and quantity in physics. With the question “What is heat?”we mean : is heat a substance, a quality or a quantity? Historically, heat was referred to a substance caloric. Now, it is prevailed that heat is a quantity Q, also called “

# Volume 7, Issue 5, October 2022

Open Access

O A Jumaev, V B Pulatov, S S Turaev, O S Goziev

Abstract: The article considers the possibilities of algorithmic solutions when creating interfaces based on microcontrollers, which make it possible to reduce the number of mandatory procedures in the organization of multiplex channels with galvanic isolation. The issues of elimination of interferences that affect the accuracy of me

Open Access

Jumaev O A, Sayfulin R R, Shermurodova M F, Arziyev E I

Abstract: Algorithmic methods for eliminating interference that affect the accuracy of measuring input signals in measuring channels are considered. Methods for input and processing of signals in the form of currents and voltages in analog modules of measuring channels of the control system are presented. It also considers some ways

Open Access

H. Van Cong, K. C. Ho-Huynh Thi, R. Brouzet, P. Blaise, B. Zeghmati

Abstract: In the n^+(p^+)-p(n) crystalline Si-junction solar cells, by basing on a same treatment method, and for a same heavy (low) doping effect, as those given in our recent paper (RP) [1], but using now a new expression, obtained for the relative dielectric constant \varepsilon\left(r_{d\left(a\right)}\right), determined exactly

Open Access

H. Van Cong, K. C. Ho-Huynh Thi, C. T. Huynh-Pivet, A. Pivet, P. Damien

Abstract: In the n^+(p^+)-p(n) crystalline GaAs-junction solar cells, by basing on a same treatment method, and for a same heavy (low) doping effect, as those given in our recent paper (RP) [1], but using now a new expression, obtained for the relative dielectric constant \varepsilon\left(r_{d\left(a\right)}\right), determined exactl

Open Access

H. Van Cong, K. C. Ho-Huynh Thi, C. T. Huynh-Pivet, A. Pivet, C. V. Huynh, A. L. Pivet, I. Pivet

Abstract: In the n^+(p^+)-p(n) crystalline InP-junction solar cells, by basing on a same treatment method, and for a same heavy (low) doping effect, as those investigate in our recent papers [1, 2], but using now a new expression, obtained for the static relative dielectric constant \varepsilon\left(r_{d\left(a\right)}\right), determ

Open Access

H. Van Cong

Abstract: In the n(p)-type degenerate semiconductors, our expression for the relative static dielectric constant, \varepsilon\left(r_{d\left(a\right)}\right), is determined by an effective Bohr model, r_{d\left(a\right)} being the donor (acceptor) d(a)-radius, suggesting that, for an increasing r_{d\left(a\right)}, both \varepsilon\l

# Volume 7, Issue 4, August 2022

Open Access

Emmanuel Saucedo-Flores, Rogelio Guerrero Gonzalez

Abstract: This work presents an expansion of the Tauc absorption model equation by incorporating into it five proportional factors. The new equation is then solved for the original exponent factor, normally having a value chosen among 0.5, 3/2, 2 and 3, which is related to the optical transition type involved in typical photon absor

Open Access

H. Van Cong, K. C. Ho-Huynh Thi, P. Blaise, R. Brouzet, O. Henri-Rousseau

Abstract: The present manuscript is a revised form of that, with MN: 14473) In our recent works [1, 2], by basing on: (1) the effects of heavy(light) doping and donor (acceptor), d(a), size , which affect the total carrier-minority saturation current density J_{oI(II)}\equivJ_{En(p)o}+J_{Bp(n)o},\ J_{En(p)o}(J_{Bp(n)o}),\ being in

Open Access

Mei Xiaochun, Huang Zhixun, Yuan Canlun

Abstract: General relativity introduced the harmonic coordinate condition under the weak field condition and obtained the linear plane wave solution based on the Einstein's equations of gravitational fields, declaring the existence of gravitational waves. But so far, general relativity has never proved the existence of spherical gra

# Volume 7, Issue 3, June 2022

Open Access

Dr. Parin Somani

Abstract: In 2022 the Doomsday Day Clock struck one hundred seconds to midnight alerting humanity to the seriousness of global security in contemporary life. This study aims to identify the significance of the doomsday clock in the new normal world. There is an endeavour to provide recommendations to facilitate increased time away

Open Access

H. Van Cong, K. C. Ho-Huynh Thi, P. Blaise, O. Henri-Rousseau, R. Brouzet, J. Sulian, M. Cayrol

Abstract: In our recent two works [1, 2], by basing on: (1) the effects of heavy(light) doping and donor (acceptor), d(a), size , which affect the total carrier-minority saturation current density J_{oI(II)}\equivJ_{En(p)o}+J_{Bp(n)o},\ J_{En(p)o}(J_{Bp(n)o}),\ being injected respectively into the heavily doped donor (acceptor)-Si e

# Volume 7, Issue 1, February 2022

Open Access

A. Sissoko, A. Chousseaud, T. Razban, M. Brunet, S. Ginestar, B. Diourté

Abstract: The performances of two microstrip patch antennas with low visual impact are presented in this paper and compared to an opaque solution. These consist in a copper film deposited on a Borofloat 33 glass substrate through a thin titanium gripping layer. The mesh is obtained by wet chemical etching. Antennas differ by the dime

Open Access

Richard Oldani

Abstract: The primary content of this paper consists of direct quotes from Einstein, arguments about the nature of the photon from over 100 years ago that have been quietly ignored because they are not in conformance with interpretations of quantum mechanics according to the standard model. Although faulted for his disagreements with

Open Access

Mei Xiaochun

Abstract: In this paper, a standard method is provided to calculate the gravitational deflection of light in the solar system by using the Newtonian theory of gravity. The equation of light’s motion in general relativity is compared with that of the Newton's theory of gravity. It is proved that a constant term is missing in the motio

# Volume 6, Issue 5, October 2021

Open Access

Joko Pamungkas, Harry Budiharjo Sulistyarso, Indah Widiyaningsih, Hanqenina Damayanti

Abstract: Increasing oil recovery factor can be done by draining the residual oil in the reservoir (Sor), by using Microbial Enhanced Oil Recovery (MEOR). This research was conducted using “U-Champ” biosurfactants which derived from microorganisms that can reduce oil viscosity and interfacial tension (IFT) between oil and brine. The

Open Access

C. Y. Lo

Abstract: The Nobel Prize Committee for Physics awarded the 2020 Nobel Prize to Roger Penrose, Reinhard Genzel, and Andrea Ghez for their discoveries about the black holes. Genzel and Ghez discovered that an invisible and extremely heavy object governs the orbits of stars at the centre of our galaxy. However, Penrose's work is outdat

# Volume 6, Issue 3, June 2021

Open Access

V.A. Rudakov

Abstract: Critical notes on the interval invariant and Lorentz transformations are presented. Their internal inconsistency is shown when considering the same processes from different frames of reference. The results of Sagnac's experiments with a ring interferometer are discussed. It is concluded that the Lorentz transformations inco

Open Access

W.Z. Shangguan, Z.Cai, Z. Q. Huang, JiaWen Mo, XiangZhong Wei

Abstract: A new understanding to the origin of superconductivity in hydrogen-rich materials under high pressure is presented in this paper. Applying sufficiently high pressure to a material makes its constituent atoms get close enough so that the “close-shell inversion” effect takes place, which in turn results in superconducting sta

# Volume 5, Issue 5, October 2020

Open Access

Lei Qiang, Songyan Li

Abstract: This paper has reviewed the recent research progress on the application of thin-film transistors in pH sensors, specifically on aspects related to the structures and materials, including active channels and the top gate dielectrics. Results indicate that the pH sensitivity can be promoted by the utilization of specific stru

Open Access

Lei Qiang

Abstract: Interface defect states of polycrystalline silicon thin-film transistors (poly-Si TFTs) play important role in the degradation of subthreshold characteristics. In this paper, an investigation of interface states is taken on, results show that both the threshold voltage and the difference between the threshold vo

Open Access

Emmanuel Saucedo-Flores

Abstract: Abstract: New expressions in terms of the proton charge radius are derived for the Sommerfeld or fine-structure constant, the proton to electron mass ratio and the elementary particles Wirkungsquanta. Through the derivation of these expressions, it was found that a small correction factor was needed to be applied on the cur

# Volume 5, Issue 4, August 2020

Open Access

Vitaly Antonovich Tolkachev

Abstract: Abstract: Quantum-mechanical microscopic reversibility of vibronic transitions and Boltzmann thermal distribution of the initial (starting) states substantiate method to obtain pure-electronic transition frequency from diffuse absorption or emission spectra. It is shown, that the information is obtainable immediately from l

Open Access

Prof. Mikhail KUPRIKOV, Dr. Leonid PONYAEV, Dr. Nikita KUPRIKOV

Abstract: The analysis of the find Optimal Structure of the Large Aircraft and Airship for decrease of Sound/Noise Pressure Level inside and outside the Cabin Saloon are very actually today for Worldwide Ecology Program. The Method of Aircraft layout from the virtual mass center is given, which allows us to obtain the Aircraft layout

# Volume 4, Issue 6, December 2019

Open Access

Liu Taixiang

Abstract: the model of proton, the model of neutron, the model of nucleus, the model of atom, the model of molecule, boundary conditions of a stable nucleus, the decay of proton, super-heavy nuclei.

Open Access

Liu Taixiang

Abstract: electron model, neutral field, polar field, the origin of mass, vortex-flux, electron pairs, intrinsic electric field, covariant electric field, room-temperature superconductivity.

Open Access

Liu Taixiang

Abstract: Model of gravitational field, Field-domain, Critical field, Stationary attractive region, Stationary repulsive region, Covariant motion equation, Equation of the speed of light.

Open Access

Lisickiy K.E., Dolgov V.I., Lisickaya I.V.

Abstract: A new approach to constructing SPN block symmetric ciphers is presented, which allows random S-blocks to be used in ciphers without sacrificing strength.Its basis is an improved construction of a cyclic transformation constructed using the principles of controlled substitutions, when the results of previous substitution tra

Open Access

Adib Akhmetnabievich Gareev

Abstract: Nowadays, the world is facing the depletion of developed reserves and exploitation of fields with poor reservoir features. These factors are forcing oil producers to use low-capacity electric centrifugal submersible pump units (ESP) with pumping pressure of over 2,000 m for oil extraction. The use of such ESP in oil product

Open Access

Sushil Kumar Choudhary, R.S Jadoun

Abstract: Electric discharge machining (EDM) process generally used for burrs free, less metallurgical damage, stress free and very precise machining and produces mould cavity, deep holes, complex shapes & size by arc erosion in all types of electro-conductive materials. In this process, the metal is removed from the work piece due t

# Volume 4, Issue 5, October 2019

Open Access

H. Van Cong, P. Blaise, O. Henri-Rousseau

Abstract: The effects of heavy doping and acceptor (donor) size on the electron (hole)-minority saturation current density J_Eo (J_Bo ), injected respectively into the heavily (lightly) doped crystalline silicon (Si) emitter (base) region of p^+-n junction, which can be applied to determine the performance of solar cells, being stron

Open Access

E. Casuso, J. E. Beckman

Abstract: We present here an analytical approach to the theoretical model for the time evolution of angular momentum of galaxies presented previously in Casuso and Beckman(2015), where the Coriolis force acting on a galaxy situated at the sur-face of a rotating cosmic void could play an important role in addition to tidal torques amo

Open Access

Dailin Li, Guilei Li, Baojun Wei, Dan Yang, Ning Wang, Huafeng Zhu, Hao Ni

Abstract: The contact measurement techniques are typically used in the field of object material classification. It has a lot of disadvantages, such as the complex operation and time-consuming. In this paper, a new non-contact object material identification method based on Convolutional neural networks (CNNs) and polarization imaging

Open Access

Liu Taixiang

Abstract: In the Theory of System Relativity, we adopt the research methodology "from small to large" and propose the concepts of the shuon and the cnon based on the assumption of the quantum nature of matter; then, we use the cnon to gradually construct particle models for the photon, electron, proton, atom, and molecule and eventua

Open Access

梁世铎

Abstract: 摘要：巴纳德星,ARICNS：视速率为110.8km/s,年自行值10.3角秒(1916年)。SIMBAD：视速率为106.8km/s,年自行值10.31角秒(2000年)。由此得出：2019年巴纳德星观测视速率为105.894km/s。

# Volume 4, Issue 4, August 2019

Open Access

H. Van Cong, P. Blaise, O. Henri-Rousseau

Abstract: The effects of heavy doping and donor (acceptor) size on the hole (electron)-minority saturation current density J_Eo (J_Bo ), injected respectively into the heavily (lightly) doped crystalline silicon (Si) emitter (base) region of n^+-p junction, which can be applied to determine the performance of solar cells, being stron

Open Access

HAO Jing-Yuan, LI Dong, Ma Qinghua, ZHANG Xue-Mei

Abstract: A series of isothermal adsorption experimental data of long flame coal, fat coal, lean coal and lean coal in Ordos Basin are used to verify a temperature-pressure-adsorption equation, and the functional relationship between adsorption equilibrium pressure and temperature was discussed. The enthalpy of the gas adsorption pro

# Volume 4, Issue 3, June 2019

Open Access

ZHANG Xiachang, CAO Zhuo, WANG Zhan

Abstract: Paper batteries have unique application value in many fields because of the advantages of high flexibility and low cost brought by the roll to roll process. This article expounds the research and development history, principle and process characteristics of printed paper batteries, introduces paper battery's application are

Open Access

O.B.Taghiyev, Т.Sh.Qashimova, К.О. Taghiyev

Abstract: Thio- and seleno- halates of rare-earth elements (Ca, Sr, Ba)Ga2(S, Se)4 are part of compounds with general formula МА2ШВ4VI(М – Ba, Sr, Ca; AIII- Ga, Al; B4VI – S, Se). Compounds type of МА2ШВ4VI were first obtained by authors [1], where sulphides and selenides are part of 12 analogous composites, which crystalize in ortho

# Volume 4, Issue 1, February 2019

Open Access

S.V. Luniov, A.I. Zimych, P. F. Nazarchuk, V.Т. Maslyuk, O.V. Burban

Abstract: The effect of electron irradiation with the energy of 10 MeV on the electrical properties of n-Ge single crystals is investigated. Based on measurements of the Hall effect, the temperature dependences of the resistivity, concentration and mobility of current carriers for the range of 180–280 K have been obtained. It was sho

Open Access

Chang Jae Lee

Abstract: A quantum harmonic oscillator with a frequency modulation is an extensively studied model, and has relevance to important physical processes. In this paper we consider response of the frequency modulation in terms of the time dependence of quasi energies and the deviation from the quantum virial theorem. Four modulation typ

# Volume 3, Issue 2, April 2018

Open Access

Eduardo Flores, Jeffrey Scaturro

Abstract: Light displays particle and wave properties within the bounds of the inequality, K^2+V^2≤1, where K represents particle information and V represents corresponding wave information. Using two laser beams that cross and then diverge from each other we explore the inequality. Results, based on semiclassical analysis, are in co

Open Access

Sergey M. Afonin

Abstract: In the general form for the equation of the electroelasticity the generalized structural-parametric model and the generalized matrix transfer function of the electroelastic actuator with the output parameters displacements are determined from the solutions of the wave equation with using the Laplace transform. The parametri

# Volume 3, Issue 1, February 2018

Open Access

Timothy Sands

Abstract: This research paper describes a development to eliminate phase lag permitting a single commercially available sensor (Global Positioning System, GPS receiver) to provide full-state knowledge (including angular acceleration), eliminating the need for accelerometers, rate gyros, and other sensors. GPS position data is used to

Open Access

Arnold Abramov, Yuanfang Shang, Liuzhong Yin

Abstract: New approach to calculate both bound and continuum excitonic states in a quantum well are presented. Green functions technique for appropriate Schrödinger equation allowed transforms it to system of linear algebraic equations and to obtain a general numerical solution for excitonic wave function in a matrix form. The excito

Open Access

Ignatovich V.K.

Abstract: Scattering of a scalar particle on a crystalline plane with quadratic cell and identical fixed scatterers is solved precisely. Contradiction of the standard scattering theory is pointed out.

Open Access

Miranda Díaz Lázaro J.

Abstract: When linearly polarized light impinging on a lens, it will reflect and refract along the lines curves resulting from the interception of a plane (plane of polarization) with a sphere (lens surface) maintaining the orientation of refraction and reflection within the plane of polarization. This effect is significant

# Volume 1, Issue 2, December 2016

Open Access

Lena J-T Strömberg

Abstract: Assuming that time is determined by a present frequency, relations are derived based on the angular velocity of a noncircular orbit. Formats relating concepts of noncircular orbits with fix points of the sine circular map, so-called Arnold’s tongues, will be obtained.

Open Access

Nasser Ojaroudi

Abstract: In this paper, a compact microstrip low-pass filter (LPF) for radar applications is proposed. The microstrip filter configuration consists of a transmission line with a pair of S-shaped stub with radial stub loaded resonators (RSLRs), and a ground plane with triple array modified stairwell defected ground structures (DGSs).

Open Access

Wu Xinzhong

Abstract: The least action principle is the basic principle of the Newtonian mechanics and geometrical optics. Various forms of analytical mechanics are based on the principle of least action., including Lagrange mechanics, Hamiltonian mechanics and Hertz mechanics based on the principle of minimum curvature. Max Planck believed that

Open Access

Monireh Nosrati Sahlan, Hamid Reza Marasi

Abstract: In this study, an effective technique upon compactly supported semi orthogonal cubic B-spline wavelets for solving nonlinear Volterra-Fredholm integral equations is proposed. Properties of B-spline wavelets and function approximation by them are first presented and the exponential convergence rate of the approximation, Ο(2-

# Volume 1, Issue 1, October 2016

Open Access

Angyang Yu

Abstract: The research of plastic deformation of metals attaches great importance to stacking fault energy (SFE). In this paper, we derive the expressions of four types (I1, I2, E and T2) of basal plane SFEs of hcp-Ti within the framework of the Ising model. Based on this model, alloying effects on the stacking fault energy (SFE) of

Open Access

Vladimir Ignatovich

Abstract: The concept of the coherence length of the neutron is explored. The generally accepteddefinition of a Gaussian wave packet based on the method of the beam preparation, andthe singular de Broglie's wave packet are considered. Possible ways of measuring thecoherence length are discussed.

Open Access

Lena J-T Strömberg

Abstract: The first eight terms in the Riemann hypothesis is analysed as harmonics with certain ratios to the ground level. The ratios were chosen from acoustic. To obtain the best fit, terms 5 and 7 was assumed to interact in a beat.

Open Access

Lena J-T Strömberg

Abstract: Propagation and static distribution of light on noncircular orbits are modelled. The space where light embodies is determined with kinematics, such that the perpendicular velocity of the 'material'-space described as a noncircular orbit, is harmonic with amplitude fwre. Light propagation to discrete orbits may occur with a

Open Access

V.K.Ignatovich, M.Utsuro

Abstract: The experimentally found small heating of the neutrons after transmission through thin foils can be explained by violation of energy conservation because of finite energy width of the neutron wave packet. The part of the wave packet subcritically transmitted through a foil has energy distribution higher than that of the inc

Open Access

S. B. Doma, H. S. El-Gendy

Abstract: The ground-state nuclear wave functions, the binding energies, the root mean-square radii and the firstexcited-state energies of the 3H and 4He nuclei are investigated by applying the translation invariant shellmodel and using residual two-body interaction, given by the first author, together with a three-bodyinteraction in

Open Access

Lena J-T Strömberg

Abstract: For noncircular orbits (nco), with f=3 and f=2, a fractal similar to the Koch-curve is constructed. Attraction and repulsion in a Koch boundary, are suggested, such that the fractal noncircular orbit may attract with all sublevels, or repulse likewise.

Open Access

Yu. N. Zayko

Abstract: This article is devoted to the problem of light propagation in a space-time which curvature is due not to massive sources but to the electromagnetic field of the wave itself. Some methodological questions are discussed, such as an isotropy of metric, implementation of the Kalutza-Klein model, topology of space-time, etc