نتایج جستجو برای: electrical field

تعداد نتایج: 954775  

2009
Yaling Liu Samir M. Iqbal

Yaling Liu and Samir M. Iqbal Department of Mechanical and Aerospace Engineering, The University of Texas at Arlington, Arlington, Texas 76019, USA Joint Graduate Committee of Biomedical Engineering Program, University of Texas at Arlington and University of Texas Southwestern Medical Center at Dallas, Arlington, Texas 76019, USA Department of Electrical Engineering,University of Texas at Arlin...

2012
Oleg V. Mikhailov M. Nafi Toksoz

Measuring the electrical field induced by a borehole Stoneley wave is a new method for characterizing a rock formation around a borehole. Our field measurements demonstrate that the Stoneley-wave-induced electrical field can be detected in sedimentary rocks (dolomite in our experiment), and that the amplitude of this electroseismic phenomenon can be used to detect isolated fractures and permeab...

Journal: :Nanotechnology 2010
Christina Pang Bin Yan Lei Liao Bo Liu Zhe Zheng Tom Wu Handong Sun Ting Yu

Ternary oxides have the potential to display better electrical and optical properties than the commonly fabricated binary oxides. In our experiments, Zn(2)SnO(4) (ZTO) nanowires were synthesized via thermal evaporation and vapor phase transport. The opto-electrical performance of the nanowires was investigated. An individual ZTO nanowire field-effect transistor was successfully fabricated for t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1389

in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...

2008
Marco Dal Maschio Marta Canato Filippo M. Pigozzo Gianantonio Pozzato

Effects of oscillating electrical fields on living cells depend on the frequency. Electrical field oscillating in the range of MHz can induce cell membrane deformation which may end in cell damage or stimulation. The issue has been studied in red blood cells, but never in excitable cells. In this study we investigated the behaviour of murine muscles and single muscle fibers exposed in vitro to ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2015
B U Felderhof

The self-propulsion of a sphere immersed in a polar liquid or ferrofluid is studied on the basis of ferrohydrodynamics. In the electrical case an oscillating charge density located inside the sphere generates an electrical field that polarizes the fluid. The lag of polarization with respect to the electrical field due to relaxation generates a time-independent electrical torque density acting o...

Journal: :Physical review letters 2002
Boris Korenblum Emmanuel I Rashba

The electrical field arising around an inhomogeneous conductor when an electrical current passes through it is not screened, as distinct from 3D conductors, in low-dimensional conductors. As a result, the electrical field depends on the global distribution of the conductivity sigma(x) rather than on the local value of it, inhomogeneities of sigma(x) produce giant capacitances C(omega) that show...

2011
Jonas Beermann Thomas Søndergaard Sergey M Novikov H Liu J Ng S B Wang Z H Hang C T Chan S N Zhu

In this paper, the plasmon coupling effect between two gold nanospheres on a gold slab is investigated. At plasmon resonance frequencies, electrons on the surface of the slab are absorbed into spheres and contribute to plasmon oscillation. This effect can enhance the local electric field and optical coupling force between the two spheres.

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