نتایج جستجو برای: rk4 method
تعداد نتایج: 1630094 فیلتر نتایج به سال:
The aim of the present study is to investigate magnetohydrodynamic (MHD) time-dependent flow past a vertical slanted plate enclosing heat and mass transmission (HMT), induced magnetic field (IMF), thermal radiation (TR), viscous dissipation characteristics on chemical reaction fluid flow. A boundary layer estimate taken develop movement that exactly captures equations for continuity, momentum, ...
in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...
Synaptic transmission requires that the binding of the transmitter to the receptor to occur under rapidly changing transmitter levels, and this binding interaction is unlikely to be at equilibrium. We have sought to numerically solve for binding kinetics using ordinary differential equations and simultaneous difference equations for use in stochastic conditions. The reaction scheme of GABA inte...
Energy management and heat control whenever a reactive viscous fluid is the working medium has been one of greatest challenges encountered by many in field chemical industrial engineering. A mathematical approach to thedetermination critical points beyond which environment becomes hazardous presented present investigation together with entropy generation analysis that guarantees efficient expen...
hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...
the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...
abstract this study is an attempt to determine the effect of nano- technology education on science lesson for fifth grade in primary school in the city of kermanshah. this research is experimental and is conducted in the from of pre-test and post- test for the control group. an achievement test was administered to determine the rate of learning in the students. the research is an applied one. ...
Abstract The numerical and computation aspects of the Knife-edge Equivalent Contact ( KEC ) constraint lookup table LUT methods are compared in this paper. method implementation uses a penetration-based elastic contact model for flange constraint-based formulation at wheel tread. For method, where an infinitely narrow rail contacts equivalent wheel, regularization tread-flange transition is ado...
Efficient numerical methods for solving nonlinear wave equations and studying the propagation and stability properties of their solitary waves (solitons) are applied to a Boussinesq type equation in one space dimension. These methods use a pseudospectral (Fourier transform) treatment of the space dependence, together with (a) finite differences, or (b) a fourth-order Runge-Kutta scheme (RK4), f...
Seven monoclonal antibodies were prepared against cytoskeletal components of rat intestinal brush borders. In the following paper (Chandler, J. S., Calnek, D., and Quaroni, A., J. Biol. Chem. 266, 11932-11938), three of them were shown to be specific for, respectively, keratin 8 (RK4), keratin 19 (RK7), and a newly identified type I keratin (keratin 21) (RK5). With these antibodies we have inve...
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