Physics & Mathematics: Recent submissions
Now showing items 41-60 of 63
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Definition of Increasing the Fibre Capturing Surface of Saw Teeth of Cotton Ginning Machine through Mathematic Modelling
(2011-06)Theoretical and the experimental researches executed in Uzbekistan and abroad explored some ways of a substantiation of a rational profile of a tooth of a saw and its fibre capturing ability. Despite that, untill now, optimum ... -
Aerodynamic Brake for Formula Cars
(2015-10)In the last years, in formula racing cars championships, the aerodynamic had reached an ever more important stance as a performance parameter. In the last four seasons, Red Bull Racing Technical Officer had designed their ... -
Exact solutions for nonlinear integro-partial differential equations using the generalized Kudryashov method
(Elsevier, 2017-10)In this research, we construct the traveling wave solutions for some nonlinear evolution equations in mathematical physics. New solutions such as soliton solutions are found. The method used is the generalized Kudryashov ... -
Stochastic differential equations in a Banach space driven by the cylindrical Wiener process
(Elsevier, 2017-04)Generalized stochastic integral from predictable operator-valued random process with respect to a cylindrical Wiener process in an arbitrary Banach space is defined. The question of existence of the stochastic integral in ... -
Principal Components Analysis and Adaptive Decision System Based on Fuzzy Logic for Power Transformer
(Elsevier, 2017-12)Power transformers are the most critical part of power electrical system, distribution and transmission grid. The oil and the insulation system (paper properties) degradation have many chemicals inside them, they are the ... -
Simplifying differential equations concerning degenerate Bernoulli and Euler numbers
(Elsevier, 2018-04)In the paper, the authors significantly and meaningfully simplify two families of nonlinear ordinary differential equations in terms of the Stirling numbers of the first and second kinds. -
Vehicle and Cargo Scanning for Contraband
(Elsevier, 2017)There is a need to inspect vehicles and their contents for Special Nuclear Material (SNM) and general contraband. The most widely used technology for scanning vehicles, ranging from vans and trucks to railcars, is gamma-ray ... -
Classification of derivation algebras in low dimensions
(King Saud University, 2018-01)A left-symmetric algebra A is said to be a derivation algebra if all its left and right multiplications are derivations of the Lie algebra associated to A. In this paper, we shall study derivation algebras over R and then ... -
Effect of liquid nitrogen pre-treatment on various types of wool waste fibres for biogas production
(Elsevier, 2018-04)This study investigated the role of liquid nitrogen (LN2) in increasing microbial accessibility of wool proteins for biogas production. It involves a mechanical size reduction of four different types of raw wool fibres, ... -
Uniqueness of moving boundary for a heat conduction problem with nonlinear interface conditions
(Elsevier, 2010-01)In this paper, based on the maximum principle and the unique continuation theorem, we present a uniqueness result for a moving boundary of a heat problem in a multilayer medium with nonlinear interface conditions. -
Systematization of basic divergent integrals in perturbation theory and renormalization group functions
(Elsevier, 2009-02)We show that to n loop order the divergent content of a Feynman amplitude is spanned by a set of basic (logarithmically divergent) integrals I (i) log(λ2), i = 1, 2,...,n, λ being the renormalization group scale, which ... -
Integration by parts identities in integer numbers of dimensions. A criterion for decoupling systems of differential equations
(Elsevier, 2015-12)Integration by parts identities (IBPs) can be used to express large numbers of apparently different d-dimensional Feynman Integrals in terms of a small subset of so-called master integrals (MIs). Using the IBPs one can ... -
On the solutions of field equations due to rotating bodies in General Relativity
(Polytech, 2017-12)A metric, describing the field due to bodies in stationary rotation about their axes and compatible with a stationary electromagnetic field, has been studied in present paper. Using Lie symmetry reduction approach we have ... -
Flexible perovskite based X-ray detectors for dose monitoring in medical imaging applications
(Elsevier, 2018-06)Organometallic halide perovskite materials are attracting considerable interest for high performance photovoltaic and photodetector applications due to their exceptional opto-electronic properties and easy processing ... -
A critical review of experimental results on low temperature charge transport in carbon nanotubes based composites
(Elsevier, 2017-11)Owing to their low density, high aspect ratio and excellent charge transport properties, Carbon nanotubes (CNTs) are proven to be one of the best reinforcing materials in the fabrication of composite materials. CNTs dispersed ... -
LiFi is a paradigm-shifting 5G technology
(Elsevier, 2018-11)In this paper we will first explain what Light-Fidelity (LiFi) is and argue that it is a 5th Generation (5G) technology. Peak transmission speeds of 8 Gbps from a single light source have been demonstrated, and complete ... -
A hypothesis of series resonance in the white matter for understanding the mechanism of spike-wave seizures
(Elsevier, 2018-03)Generalized epilepsy is accompanied by large-amplitude synchronized spike-wave discharges on electroencephalography. The condition rapidly and synchronously involves most regions of the brain, but the mechanism underlying ... -
Mathematics teachers’ and students’ perceptions of transmissionist teaching and its association with students’ dispositions
(Advance Access publication, 2016-05)This article builds on previous results of theTransmaths studies concerning transmissionist teaching practicesçand especially adds the significance of students’ perceptions of these practicesçin their association with ... -
Elementary Thermal Operations
(2018-02)To what extent do thermodynamic resource theories capture physically relevant constraints? Inspired by quantum computation, we define a set of elementary thermodynamic gates that only act on 2 energy levels of a system ... -
Estimating a Falsified Model
(Scientific Research Publishing, 2016-07)It is common econometric practice to propose a system of equations, termed the “structure,” estimate each endogenous variable in the structure via a linear regression with all of the exogenous variables as arguments, and ...
