نتایج جستجو برای: electric field reduction

تعداد نتایج: 1348642  

2014
F. F. Mende

Is proposed the new method of investigating the thermophysical and structural characteristics of materials and models, based on the measurement of electrostatic pour on, appearing with the heating or mechanical loads. Exists a large quantity of diagnostic methods of the study of the properties of materials and models. But from the view of researchers thus far slipped off the very promising meth...

Differential global surface impedance (DGSI) model, a rigorous approach, has been applied to the analysis of three dimensional plasmonic circuits. This model gives a global relation between the tangential electric field and the equivalent surface electric current on the boundary of an object. This approach helps one bring the unknowns to the boundary surface of an object and so avoid volumetric...

1998
Wendell Horton Jae-Min Kwon P. J. Morrison

Drift wave maps, area preserving maps that describe the motion of charged particles in drift waves, are derived. The maps allow the integration of particle orbits on the long time scale needed to describe transport. Calculations using the drift wave maps show that dramatic improvement in the particle confinement, in the presence of a given level and spectrum of E3B turbulence, can occur for q(r...

Journal: :Postepy higieny i medycyny doswiadczalnej 2012
Piotr Skomro Danuta Lietz-Kijak Edward Kijak Olga Bogdziewicz-Wałęsa Krystyna Opalko

Electric potentials occurring in the oral cavity deserve attention as they may cause various diseases and subjective feelings, which are very difficult to treat. The aim of this study was to evaluate the electric potentials within the oral cavity in patients with metal fillings and metal prosthetic restorations, after using a pulsed electromagnetic field. The study was carried out on 84 patient...

Hojat Zeraati Mehdi Roknian Mohammad Gholami Parvin Nassiri,

Introduction: It is important that biological and health effects from the induction of currents and fields in the body by extremely low frequency (ELF) fields are fully explored to determine the effects produced at the molecular, cellular and organ levels. The objective of this study was to evaluate the intensity of ELF electromagnetic fields and its probable relationship with hematological cha...

2015
V. Demchenko V. Shtompel’ S. Riabov E. Lysenkov

Applying wide-angle X-ray scattering method, thermomechanical analysis, and differential scanning calorimetry, the structural organization and properties of nanocomposites formed by chemical reduction of Сu(2+) cations in the interpolyelectrolyte-metal complex (pectin-Cu(2+)-polyethyleneimine) under the influence of a constant magnetic and electric fields have been studied. It has been found th...

2001
Stefan Franzen Steven C. Boxer

The rates of electron-transfer reactions can be systematically varied by application of external electric fields. The electric field effect on the charge recombination rate constant of the state P+QAin photosynthetic reaction centers has been measured in polymer film samples at a number of temperatures. This extends an earlier study at 80 K in which a small field-induced slowing of the rate con...

2002
D. Trybus Zdenek Kucerovsky A. Ieta Thomas E. Doyle

Grid or mesh techniques are frequently used to approximate continuous entities that behave in a wave or fluid-like fashion. Partial Differential Equations (PDE’s) are usually involved in the description of such entities or processes. Distributed parallel computation was used in various computer cluster configurations to calculate PDE solutions of electrostatic field. The study of the efficacy o...

Fatemeh Seif, Mahsa Shakeri Mohamad Reza Bayatiani, Nayer sadat Mostafavi

Introduction: Communication between mobile phones and antenna BTS (Base Transceiver station) is carried by electromagnetic waves. Energy associated with these waves can be absorbed by biological tissues. so Widespread use of these devices has generated public concern about exposure to electromagnetic waves. In this study the electric field intensity and specific absorption rate...

Journal: :iranian journal of oil and gas science and technology 0
sajedeh shahsavari assistant professor, department of chemistry, payame noor university, tehran, iran alireza ganjovi professor ,photonics research institute, institute of science and high technology and environmental sciences, graduate university of advanced technology, kerman, iran alireza ahmadi associate professor,department of mechanical engineering, graduate university of advanced technology, kerman, iran fahimeh shojaei 2 associate professor ,photonics research institute, institute of science and high technology and environmental sciences, graduate university of advanced technology, kerman, iran 3 associate professor,department of mechanical engineering, graduate university of advanced technology

in this paper, using a one-dimensional simulation model, the reforming process of sour gas, i.e. ch4, co2, and h2s, to the various charged particles and syngas in a dielectric barrier discharge (dbd) reactor is studied. an electric field is applied across the reactor radius, and thus a non-thermal plasma discharge is formed within the reactor. based on the space-time coupled finite element meth...

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