نتایج جستجو برای: electrical resonance

تعداد نتایج: 387783  

Ali Zamani, Mehdi Hoseini Mina Nouri,

Introduction: Staff and patient Movement in static magnetic field MRI scanner induces current density in the human tissues, so cause biologic effects in people. The aim of this study was the Modelling of current density induced by moving individual with different velocities in static magnetic field of magnetic resonance imaging. Materials and Methods: current ...

Journal: :Transactions of the American Institute of Electrical Engineers 1893

Journal: :The Tohoku Journal of Experimental Medicine 1950

Journal: :Proceedings of the National Academy of Sciences 2010

Journal: :فیزیک زمین و فضا 0
بهمن عباسی دانشجوی کارشناسی ارشد ژئوفیزیک، گروه فیزیک زمین، مؤسسة ژئوفیزیک، دانشگاه تهران، ایران محمد کاظم حفیظی دانشیار، گروه فیزیک زمین، مؤسسة ژئوفیزیک، دانشگاه تهران، ایران

the objective of this research is to represent applicability of surface nuclear magnetic resonance (snmr) in aquifer characterization, based on snmr and electrical resistivity tomography data. snmr is the only geophysical method that directly detects water. two important parameters, porosity and permeability are available through inversion of initial amplitude and decay time constant versus pul...

Journal: :J. Sensors 2012
Jason Jensen Martin Hegner

The qualitative agreement between experimental measurements of the Q factors and flexural resonance frequencies in air of microcantilevers and calculations based on the compressible fluid model of Van Eysden and Sader (2009) is presented. The Q factors and resonance frequencies observed on two sets of cantilever arrays were slightly lower than those predicted by the model. This is attributed to...

2004
Guolan Cai Weigao Ge Jianshe Yu

We develop a general theorem concerning the existence of solutions to the periodic boundary value problem for the first-order impulsive differential equation,    x′(t) = f(t, x(t)), t ∈ J \ {t1, t2, · · · , tk} 4x(ti) = Ii(x(ti)), i = 1, 2 · · · k x(0) = x(T ). And using it we get a concrete existence result. Moreover, to our knowledge the coincidence degree method has not been used to t...

1995
A. V. Leonidov P. V. Ruuskanen

We consider the dilepton emission from a dense and hot hadron gas near a critical point. The hadron gas is described as a resonance one. The dilepton spectrum generated by vector resonances is shown to be equivalent to the one generated by quarks.

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