نتایج جستجو برای: self accelerating parameter

تعداد نتایج: 750519  

Journal: :iranian journal of numerical analysis and optimization 0

in this paper, an analytical method called the parametric iteration method (pim) is presented for solving the second-order singular ivps of lane-emden type, and its local convergence is discussed. since it is often useful to have an approximate analytical solution to describe the lane-emden type equa- tions, especially for ones where the closed-form solutions do not exist at all, therefore, an ...

2015
T. Lotfi P. Assari

In this study, based on the optimal free derivative without memory methods proposed by Cordero et al. [A. Cordero, J.L. Hueso, E. Martinez, J.R. Torregrosa, Generating optimal derivative free iterative methods for nonlinear equations by using polynomial interpolation, Mathematical and Computer Modeling. 57 (2013) 1950-1956], we develop two new iterative with memory methods for solving a nonline...

2008
N. A. Solyak

Accelerating gradient is a key parameter of the accelerating structure in large linac facilities, like future Linear Collider. In room temperature accelerating structures the gradient is limited mostly by breakdown phenomena, caused by high surface electric fields or pulse surface heating. High power processing is a necessary procedure to clean surface and improve the gradient. In the best test...

Journal: :رشد و یادگیری حرکتی - ورزشی 0
رزا رهاوی استادیار دانشگاه یزد معصومه شجاعی دانشیار دانشگاه الزهراء زهرا استیری استادیار دانشگاه سبزوار حسن نقی زاده دانشجوی دکتری دانشگاه آزاد اسلامی (واحد تهران مرکز)

contextual interference is one of the instructional methods for several skills.the aim of this research was to determine the effects of interference beforeperformance and interference during performance on the acquisition and retentionof generalized motor program and parameter in basketball skills with an emphasison the examination of contextual interference hypotheses and self-regulationlearni...

2004
Masato Ito

We find that holographic dark energy model with non-minimally coupled scalar field gives rise to an accelerating universe by choosing Hubble scale as IR cutoff. We show viable range of a non-minimal coupling parameter in the framework of this model. ∗[email protected]

2003
A. L. Choudhury

We improved the approximation of the model of the wormhole generated physical universe constructed by Choudhury and Pendharkar. We show here that the negative pressure of the unphysical wormhole can generate the right physical condition to explain the correct sign of the deacceleration parameter q0. The negative sign of q0 implies an accelerating universe.

ژورنال: مواد پرانرژی 2017

In this work, thermal degradation behavior of a solid composite propellant containing Epoxy/Ammonium perchlorateStrontium nitrateAnthracene composite was studied by simultaneous thrmogravimetric analysis and differential scanning calorimetry under dynamic nitrogen atmosphere at different heating rates. Variation curves of the thermal degradation activation energy of EpoxyAmmonium perchlorateStr...

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