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الآن تُعرض المواد 261 -- 280 من 1691
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A New Technique to Encrypt-Decrypt Digital Color Images Using One-Dimensional Matrix
(CEST-2018, 2018-09-27)Due to digital technologies, the usage of images in modern industrial life is increasing rapidly. Therefore, the security of digital image has been a major issue in the modern digital world. Image encryption methods are ... -
Non _Equivalence at Word Level
(ELMERGIB UNIVERSITY, 2019-06)لكل عملية ترجمة هدف أو عدة أهداف محددة , غير أن الهدف الأساسي والرئيسي للترجمة هو عملها كحلقة وصل بين الناس بمختلف ألسنتهم وثقافاتهم . ومن هذا المنطلق تعد الترجمة مهمة ليست بيسيرة كما يظن الكثير من الطلاب , وللشروع في عملية ... -
Nonlinear Structural Dynamic Response of Multi-Story Buildings Under Seismic Loading
(CEST-2018, 2018-09-27)A study of earthquakes in the world is performed, and also a study of methods of dynamic analysis suitable for use with linear and nonlinear systems is made with a stress on the nonlinear response of buildings due to ... -
A Novel Chaotic Uniform Quantizer for Speech Coding
(CEST-2018, 2018-09-27)Quantization is an essential step in the analog-to-digital conversion process and it is very important in all modern telecommunication systems. In this paper, a novel chaotic uniform quantizer is proposed and its application ... -
A Novel Denoising Method Based on Discrete Linear Chirp Transform
(2020-12-03)Denoising of chirp based signals is a challenging problem in signal processing and communications. In this paper, we propose a suitable denoising algorithm based on the discrete linear chirp transform (DLCT), which provides ... -
Novel Green Photocatalysts Derived from Date Syrup-based biomass/TiO2 for Photocatalytic Oxidation of Methylene Blue Dye in Aqueous Solutions
(CEST-2018, 2018-09-27)This study reports for the first time, development of novel photocatalyst from date syrup-based biomass and TiO2 for photocatalytic oxidation of methylene blue MB dye in wastewaters. The properties of the derived photocatalysts ... -
Novel Green Sorbents Derived from Mesembryanthemum-Based Biomass for Wastewater Treatment Applications
(CEST-2018, 2018-09-27)A great challenge has been done for utilization of natural gas (NG) Biomass-based materials have received much attention recently in both academia and industry. Biomaterials have been widely applied for development of ... -
A novel Piggyback Scheme to Improve the Performance Of MAC Layer Based on IEEE802.11n
(Elmergib Uinversity, 2016-06)Our scheme is to improve the performance of MAC layer based on IEEE802.11n, when the data transferring in reverse direction from side A to side B, side B does not need to send only ACK, it can be wait for a time and ... -
nthesis of ZnS nanocombs-like by thermal evaporation method
(ELMERGIB UNIVERSITY, 2015-06)In this study, nanocombs-like zinc sulphide “ZnS” have been grown using simple low cost thermal evaporation method via vapor-liquid-solid (VLS) mechanism. The nanocombs-like were grown on silicon wafers coated with silver ... -
NUMERICAL SOLUTIONS OF BERNOULLI DIFFERENTIAL EQUATIONS WITH FRACTIONAL DERIVATIVES BY RUNGE-KUTTA TECHNIQUES
(Elmergib University, 2021-06)In this article, we discussed the numerical solution of Brnoulli's equation with fractional derivatives subject to initial value problems by applying 4th order Runge-Kutta, modified Runge-Kutta and Runge-Kutta Mersian ... -
Numerical solutions to nonlinear Schrödinger equations in silicon waveguides
(Elmergib University, 2020-12)This research shows the most important properties of electromagnetic waves and waveguides as a means to transferring information, communications and various applications, and the importance of nonlinear equations and there ... -
On a certain class of p-valent functions with negative coefficients
(ELMERGIB UNIVERSITY, 2022-01)In this paper we introduce a new class of p-valent starlike functions with negative coefficients defined by fractional derivative operator. We obtain coefficient bounds, distortion inequalities, Hadamard product, linear ... -
On Coefficient Bounds for Certain Classes of Analytic Functions
(ELMERGIB UNIVERSITY, 2021-07)In the present paper we obtain Fekete-Szegö inequalities and sharp bounds for certain classes of analytic and p-valent functions in the open unit disk involving certain fractional derivative operator. -
On some finitely generated subsemigroups of S(X)
(ELMERGIB UNIVERSITY, 2020-06)S(X) is the semigroup, under composition, of all continuous selfmaps of the topological space X. In this paper, we show for a number of spaces that S(X) contains a dense subsemigroup generated by two elements when S(X) ... -
ON SOME SUBCLASSES OF MULTIVALENT STARLIKE FUNCTIONS
(Elmergib University, 2021-06)In the present paper, we introduce two new subclasses T_(m.λ.μ,η,δ)^* (p,α,β,σ) and C_(m,λ,μ,η,δ) ( p,α,β,σ) of multivalent starlike functions in the open unit disk defined by using certain fractional calculus operator. ... -
On the fine spectrum of the generalized difference operator B(r,s) over the Hahn sequence space h
(ELMERGIB UNIVERSITY, 2022-01)Of particular interest to many researchers are the investigation of the spectra of the difference operator and its generalizations over sequence spaces. In this work, we will introduce the spectra analysis of the generalized ... -
Oneness and existence of the solution to the problem of boundary values for a set of second-order partial differential equations
(ELMERGIB UNIVERSITY, 2023-01-01)Abstract: Most of the problems of mathematical physics, when solving them, result in solving one or more partial differential equations with imposed initial and boundary conditions. This is known as boundary value problems ... -
An optimal fuzzy zero point method for solving fuzzy transportation problem
(ELMERGIB UNIVERSITY, 2023-07)One of the first uses for Linear Programming (LP) issues was the transportation problem. In order to cut costs, transportation models are widely used in transportation and the supply chain. When the demand, cost and supply ... -
The Optimal Membrane Type for the Next Membrane Replacement of Tajoura SWRO Desalination Plant
(CEST-2018, 2018-09-27)Desalination of seawater in Libya has the capability to increase the accessible resources for producing drinkable water. Desalination of seawater with reverse osmosis membrane technology is one of the most significant ... -
Optimal Performance of Disk Drive Read system using Classical Controller
(ELMERGIB UNIVERSITY, 2013-06)The classical control methods (P, PD, PID, control low, ,etc) of dynamic control will be applied to the disk drive read system. The goal of the disk drive reader device is to position the reader head in order to read ...