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الآن تُعرض المواد 272 -- 291 من 1691
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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 ... -
Optimal Power Loss Minimization using Optimal Size and Location of Shunt Capacitors, and DG
(CEST-2018, 2018-09-27)One of the biggest problems that face the electric distribution network is the power losses, which could be reduced for obtaining a good voltage improvement. Two effective case studies have been used to minimize the ... -
Optimized Maximum Loadability of Power Systems using an Enhanced Dynamic JAYA Algorithm
(2020-12-03)The problem of Maximum Loadability of power systems is addressed in this paper using a proposed dynamic JAYA algorithm. The maximum loadability problem is a typical optimization problem in which the maximum loadability ... -
Optimum Backoff in CSMA-CA for Ad-Hoc Vehicles Network in Motorway
(2020-12-03)With current technological developments, wireless networks are becoming popular. VANET is a type of MANET that allows data to be transferred between nearby vehicles. These types of communications can help prevent accidents ... -
Optimum Deposition of Tungsten Oxide on Titania Nanotubular Arrays and Study the Photoactivity of Nano-Composite Photoanode
(CEST-2018, 2018-09-27)The novelty of this research works in the two-step formation of tungsten oxide (WO3) -loaded TiO2 nanotube arrays composite film by study the optimum conditions of electrodeposition of WO3 nanoparticles on TiO2 nanotubes ... -
Oscillation Criterion for Second Order Nonlinear Differential Equations
(ELMERGIB UNIVERSITY, 2022-01)In this paper, some the sufficient conditions for the oscillation of the solutions of the second order non-linear ordinary differential equation of the form are obtained using Riccati Technique. The given results are ... -
Oxidative stress as a risk factor of the acrylamide toxicity in the weaning male and female rats
(Elmergib Uinversity, 2016-01)The Swedish National Authority reported the presence of elevated levels of acrylamide (ACR) in certain types of food processed at high temperature. The present study was performed to evaluate the toxicity of ACR in ... -
Parametric effect on discrete dynamic systems causing of chaos and dispersion
(Elmergib University, 2020-12)In the past the logistic equation where applied to real numbers and produes no dispersion and chaos, in this paper, we present the equivalent system of complex logistic equation. We will study parametric behavior on discrete ... -
Parametric Tension on the Differential Equation
(ELMERGIB UNIVERSITY, 2021-07)In this purely, the focus will be on the parametric effect in several cases, and we will study the existence and uniqueness of the solution and the continuous dependence in three cases, first on the parameter μ, and secondly ... -
Particle Size Dependence of MnO Reduction for Fabrication of Composite vir Stir Casting
(CEST-2018, 2018-09-27)In the present work, a composite of Al matrix reinforced with 10% MnO particles has been developed using stir casting technique. MnO with particles size of range of 53 to 90 μm for composite (A) and 188 to 250 μm for ... -
Perceptions and Preferences of ESL Students Regarding the Effectiveness of Corrective Feedback in Libyan Secondary Schools
(ELMERGIB UNIVERSITY, 2015-06)This study investigates the perceptions and preferences of ESL learners in Libyan secondary schools, regarding the corrective feedback. The results are based on the analysis of the responses to 120 questionnaires ... -
Performance Analysis of a Solar Driven Single Stage LiBr/H2O Absorption Refrigeration system
(CEST-2018, 2018-09-27)The solar-assisted combined ejector was configured with the basic cycle of solar absorption refrigeration system to evaluate the performance of this cycle which using LiBr/H2O as a working fluid and operating under ...