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الآن تُعرض المواد 166 -- 185 من 2142
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Modeling and Designing a Control System Using PID Controller & Fuzzy Logic Controller with Matlab/Simulink
(2020-03-15)This work studiesthe design and simulation of a water level and temperature controller using Proportional Integral Derivative (PID) Controller and Fuzzy logic (FL) Controller. The simulation of the design system was achieved ... -
modeling and Simulation of Grid-Connected PV-Wind Turbine Microgrid System using MATLAB/SIMULINK
(جامعة الزاوية, 2020)Renewable energy based distributed generators (DGs) play a dominant role in electricity production, with the increase in the global warming. Distributed generation based on wind and solar energy. A microgrid consists ... -
THE MOORE-PENROSE GENERALIZED INVERSE AND GENERALIZED CRAMER RULES FOR SOLVING SINGULAR LINEAR ALGEBRAIC SYSTEMS
(The 1st International Conference of the Faculties of Sciences, 2022-02-15)In this paper, we consider singular linear systems of algebraic equations on the form We introduce formulas for the Moore- Penrose generalized inverse of depend on the ranks of , and based on the adgugate matrix. Using ... -
Morphometric Traits of the Sagitta of Common Sole (Solea solea (Linnaeus, 1758)) Captured from East Libya Mediterranean Sea Coast
(The 1st International Conference of the Faculties of Sciences, 2022-02-15)This paper aimed to establish traits of morphometric parameters of Soleasolea sagitta and to determine the relationship of these parameters to fish size. A total of 74 fish collected from Al-Tamimi shore, eastern Libya, ... -
Motivation and Classroom Management in the Time of Changes
(كلية التربية البدنية وعلوم الرياضة, 2021-09)Motivation is the thoughts and feelings students have, which make them want to do something and turn their wishes into action. Motivation has great role in facilitating classroom management. This paper aims to know ... -
Natural Gas Pipeline Network Modeling Using PIPSYS Program
(مركز البحوث والاستشارات العلمية, 2021-09) -
Numerical Analysis of the Effect of Various Window Parameters on the Thermal Performance of a Double Glaze Window in the Climatic Region of Libya
(2020-03-15)This study presents a numerical analysis of the effect of window parameters on the thermal performance of double glazed windows in the climatic region of Libya. A 2D model of a double glaze window was developed, meshed and ... -
Numerical Study of Electromagnetic Waves by using Finite Difference Time Domain (FDTD) Technique in Two and Three Dimensions
(مركز البحوث والاستشارات العلمية, 2021-03)In this paper, the finite difference time domain (FDTD) method applied for solving the time dependent Maxwell’s curl equations in two dimensions (2D) and three dimensions (3D) systems. In the FDTD, the computational domain ... -
On Digraphs Associated to Two Quadratic Forms Modulo n
(مركز البحوث والاستشارات العلمية, 2021-12-31)If n<∞ is a positive integer, R=Z_n is the ring of integers modulo n, with the assumption that on one hand G(Z_n) is a directed graph of the quadratic polynomial, x^2 +ax+b=0 mod(n), presented by the mapping φ_1:Z_n×Z_n→ ... -
ON NEUTROSOPHIC PRE-APPROXIMATION SPACE
(The 1st International Conference of the Faculties of Sciences, 2022-02-15)The purpose of this article is to extend some more topics of topology in neutrosophic topology. We introduce the concept of neutrosophic pre-approximation space and its properties. Pre-open (pre-closed) sets are investigated. ... -
ON SOME CLASSES OF ANALYTIC FUNCTIONS BY INVOLVING n-th HADAMARD PRODUCT
(مجلة كليات التربية, 2020-03)In this paper, we derive some sufficient conditions for certain subclasses of analytic functions by involving n-th Hadamard product. -
On the Bernstein inequality
(2020-06-15)Chemin[1], proved the inequality of Bernstein for any tempered distribution u. In this paper, we will extend its proof for a bloc dyadic ∆ ̇_q u and S_q u. We will use the Fourier transform and apply the Yong inequality ... -
ON THE SOLUTION OF PARTIAL DIFFERENTIAL EQUATIONS OF FRACTIONAL ORDER
(The 1st International Conference of the Faculties of Sciences, 2022-02-15)In this paper, we combine the homotopy perturbation method, Sumudu transform and He’s polynomials to obtain the approximate /exact solution of some partial differential equations of fractional order. The fractional derivative ... -
Optimising of Immunohistochemical Protocol for Organotypic Brain Slice Cultures
(2019-06-15)Organotypic slice cultures of brain tissue is an ex-vivo technique that been used increasingly to study neuronal death induced by hypoxia, hypoglycaemia, oxidative stress and brain disorders such as; Alzheimer and Parkinson’s ... -
The Optizmum Condition for Lactic Acid Yield From Pineapple Wastewater Using Lactobacillus Casei
(مركز البحوث والاستشارات العلمية, 2021-12-31)For several reasons, the utilization of the fermentation process to produce lactic acid has been studied from carbohydrate sources and other sources. Accordingly, the use of biotechnology to produce lactic acid is found ... -
OSCILLATION CRITERION FOR SOME DIFFERENTIAL EQUATION OF SECOND ORDER WITH INTEGRABLE COEFICIENTS
(The 1st International Conference of the Faculties of Sciences, 2022-02-15)In this presented paper, we are concerned with the oscillatory behaviour of solutions of some nonlinear ordinary differential equations of second order. Primarily, we are interested in the study of equations with integrable ... -
Permittivity and dipole moment of poly(vinyl pyrrolidone) in chloroform solutions
(مركز البحوث والاستشارات العلمية, 2021-03)The electrical capacitance of poly(vinyl pyrrolidone), PVP of three different molecular weights (25K, 44K and 700K) in a chloroform solution were measured. The range of concentrations studied for the molecular masses 25K ... -
Petrographic Characteristics; Insights into Post-magmatic hydrothermal alteration of the Gharyan Phonolites, NW Libya
(مركز البحوث والاستشارات العلمية, 2021-09-15)The mineralogical studies of Gharyan phonolites are required to re-evaluate the hydrothermal alteration processes and to describe the chemical and physical properties of fluids by which the hydrothermal replacement took ...