Taibah University Scientific Journals  المجلات العلمية في جامعة طيبة: التقديمات الحديثة
الآن تُعرض المواد 1  20 من 1144

(Taibah University Journal for Science, 20171101)The aims and objectives of this manuscript are devoted to investigate some adequate results for the existence of solution to a nonlinear coupled system of fractional order differential equations (FDEs). Appropriate conditions ...

(Taibah University Journal for Science, 20171101)This paper introduces a novel conceptual system to predict the energy cost of residential buildings in the Kingdom of Saudi Arabia(KSA). The paper briefly describes the main models of the developed system to maintain ...

(Taibah University Journal for Science, 20171101)The evaluation of catalytic activity for Rh–Pd/YBa(Co1−xMx)4O7/ Al2O3(M = Al, Ce, Zr, and La) showed that the efficiency of NOxreduction depends strongly on the nature of the OSMs. Among a series of oxygen storage materials, ...

Preparation of nano crystalline Cddoped PbS thin films and their structural and optical properties
(Taibah University Journal for Science, 20171101)PbS and Cddoped PbS nanocrystalline thin films prepared by the chemical bath deposition technique was deposited onto glass substrates at 80◦C. The aqueous solution containing Cd2+and Pb2+precursors was used to obtain good ... 
(Taibah University Journal for Science, 20171102)The paper reports the role of Ag additives on light induced meta stable defects in Se–In glassy alloys using a wellknown thermally stimulated current (TSC) technique. Amorphous thin films of Se90In10−xAgx(x = 0, 2, 4, 8) ...

(Taibah University Journal for Science, 20171101)A theoretical study on the effect of magnetic field on the classical Blasius and Sakiadis flow of nan ofluids over an inclined plate is presented in this paper. The governing partial differential equations are converted ...

(Taibah University Journal for Science, 20171101)Ionacoustic structures in electron–positron–ion (epi) plasma are examined by algebraic analysis of model equations. The dynamic of solitary waves are studied through direct approach. The system energy is obtained in ...

(Taibah University Journal for Science, 20171101)Occupational radiation doses for medical workers from the departments of diagnostic radiology, nuclear medicine, and radiotherapy at the university hospital of King AbdulAziz University (KAU) were measured and analysed. ...

Determination of optical parameters of zinc oxide nano fibre deposited by electrospinning technique
(Taibah University Journal for Science, 20171101)Electrospun ZnO was deposited on a glass substrate from zinc acetate dihydrate (Zn(CH3COO)2.2H2O) with polyvinyl acetate(PVAc) polymer dissolved in N, N, dimethyl formamide (DMF) and annealed in the presence of oxygen until ... 
(Taibah University Journal for Science, 20171101)This manuscript describes the evolution of grain structures in cesium halide films which leads to localized surface plasmonresonance (LSPR) peaks in UV–visible absorption spectra. Thin films of cesium halide age with time ...

(Taibah University Journal for Science, 20171101)Tungsten trioxide (WO3) is one of the best transparent metal oxides for advanced technological applications. WO3 exhibits a wide variety of novel properties, particularly in thin film form. This investigation focuses on ...

(Taibah University Journal for Science, 20171101)The modified Debye–Einstein approximation model is used to calculate nanoscale sizedependent values of Gruneisen parametersand lattice specific heat capacity for Si nanowires. All parameters forming the model, including ...

(Taibah University Journal for Science, 20171101)Chilli powder samples were irradiated by a 60Co gamma source at absorbed doses of 2, 4, 6 and 8 kGy. This study calculates the activation energy value (E) from the thermolumine scence (TL) glow curves using the initial ...

(Taibah University Journal for Science, 20171101)The present work examines two different geometric configurations and three different lining materials that are suitable for thermal neutron radiography purposes based on a241Am/Be neutron source. The same source was also ...

(Taibah University Journal for Science, 20171101)Hydromagnetic flow of an incompressible viscous nanofluid past a vertical plate in the presence of thermal radiation is investigatedboth analytically and numerically. The radiative heat flux is described by the Rosseland ...

(Taibah University Journal for Science, 20171101)Numerical schemes have been developed for solutions of systems of nonlinear mixed Volterra–Fredholm integral equations oft he second kind based on the First Boubaker polynomials (FBPs). The classical operational matrices ...

(Taibah University Journal for Science, 20171101)In this paper, a collocation method based on Bessel functions of the first kind is presented to compute the approximate solutions of a class of highorder nonlinear differential equations under the initial and boundary ...

(Taibah University Journal for Science, 20171101)In this paper, the Bezier curves method is implemented to give approximate solutions for fractional differentialalgebraic equations(FDAEs). This methods in applied mathematics can be used as approximated method for obtaining ...

(Taibah University Journal for Science, 20171101)A collocation method is proposed to obtain an approximate solution of a system of multi pantograph type delay differential equations with variable coefficients subject to the initial conditions. The general approach is ...

(Taibah University Journal for Science, 20171101)In this paper we obtain the estimates on some dynamic integral inequalities in three variables which can be used to study certaindynamic equations. We give some applications to convey the importance of our result.