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الآن تُعرض المواد 254 -- 273 من 1691
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Morphology and composition of CulnSe2 that film deposited by Stacked Elemental Layers for solar cells application
(Elmergib Uinversity, 2016-06)The aim of this study is to investigate the morphology and composition of the CuInSe2 thin film deposited by Stacked Elemental Layer technique SEL. The films were annealed in different ways to increase the chalcopyrite ... -
Multimodal discourse analysis of variations in Islamic dress code in Bo-Kaap, Cape Town
(ELMERGIB UNIVERSITY, 2023-07)The history of Islam in South Africa is as old as the history of the Dutch who arrived at the Cape in the latter half of the 17th century. The present study investigates Islam in South Africa and how it has come and spread ... -
Multiple Noises Removal from Computed Tomography (CT) Images
(CEST2018, 2008-09-27)ABSTRACT Noise is seen in images during image acquisition and transmission. This is characterized by noise model. Image enhancement through noise reduction is a fundamental problem in image processing. Noise filtering is ... -
Nanotechnology: Concepts, Importance and the Current State of Scientific Research
(CEST-2018, 2018-09-27)In nowadays, research in nanoscale science has been greatly developing and obtaining more interests. Numerous research activities in the last two decades focus on exploring nanoscience, understanding the fundamentals, and ... -
A New Application of Kushare Transform for Solving Systems of Volterra Integral Equations and Systems of Volterra Integro-differential Equations
(Elmergib University, 2023-07)Abstract: In this paper , Kushare transform was applied to solve some systems of Volterra integral equations and systems of Volterra integro-differential equations. -
A New Application of Sawi Transform for Solving Ordinary differential equations with Variable Coefficients
(ELMERGIB UNIVERSITY, 2022-01)الملخص: في هذه الورقة، طبقنا تحويل تكاملي جديد (تحويل ساوي) لحل بعض المعادلات التفاضلية العادية ذات معاملات متغيرة. Abstract: In this paper, a new integral transform was applied to solve ordinary differential equations ... -
A NEW CMOS DESIGN AND ANALYSIS OF CURRENT CONVEYOR SECOND GENERATION (CCII)
(Elmergib University, 2016-12)This paper describes the current conveyors used as a basic building block in a variety of electronic circuit in instrumentation and communication systems. Today these systems are replacing the conventional Op-amp in so ... -
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.