نتایج جستجو برای: pulse electric fields

تعداد نتایج: 455016  

Journal: :Environmental Health Perspectives 1993
W T Kaune

This paper introduces the reader to electric and magnetic fields, particularly those fields produced by electric power systems and other sources using frequencies in the power-frequency range. Electric fields are produced by electric charges; a magnetic field also is produced if these charges are in motion. Electric fields exert forces on other charges; if in motion, these charges will experien...

Journal: :The Journal of experimental biology 2011
Christopher W Jackson Edmund Hunt Suleiman Sharkh Philip L Newland

Static electric fields are found throughout the environment and there is growing interest in how electric fields influence insect behaviour. Here we have analysed the locomotory behaviour of cockroaches (Periplaneta americana) in response to static electric fields at levels equal to and above those found in the natural environment. Walking behaviour (including velocity, distance moved, turn ang...

Journal: :Optical and Quantum Electronics 2021

The birefringence characteristics of reflection and transmission light pulse are explored in chiral medium driving by two probe electric magnetic fields, while four control fields. proposed shows significant behaviors reflection/transmission Goos-Hänchen (GH) shifted beams. birefringent GH-reflected GH-transmitted pulses show contribution the space time gap creation for secure communication inv...

Journal: :International journal of food microbiology 2009
A Robert Marsellés-Fontanet Anna Puig Paola Olmos Santiago Mínguez-Sanz Olga Martín-Belloso

The effect of some pulsed electric field (PEF) processing parameters (electric field strength, pulse frequency and treatment time), on a mixture of microorganisms (Kloeckera apiculata, Saccharomyces cerevisiae, Lactobacillus plantarum, Lactobacillus hilgardii and Gluconobacter oxydans) typically present in grape juice and wine were evaluated. An experimental design based on response surface met...

2016
T. Casey J.-Y. Chen

Ignition assistance by a pulsed applied voltage is investigated in a canonical one-dimensional configuration. An incipient ignition kernel, formed by localized energy deposition into a lean mixture of methane and air at atmospheric pressure, is subjected to sub-breakdown electric fields by a DC potential applied across the domain, resulting in non-thermal behavior of the electron sub-fluid form...

ژورنال: ارگونومی 2015
عزیزی, مهتاب, علی‌آبادی, محسن , گلمحمدی, رستم,

Introduction: In recent years, compact fluorescent lamps have been more widely used across the country as a means of optimizing energy consumption. Given the health consequences of lighting sources, the present study was conducted to investigate the intensity of electromagnetic fields emitted by common compact fluorescent lamps. Materials and Methods: The study examined 54 compact fluo...

باغبانی‌ریزی, حامد, حسین‌خانی, حجت, طالبیان‌درزی, محمدعلی, عبدالهی, محسن,

 In this research, the effect of the uniform electric field on the ground-state of a centered hydrogenic donor impurity in a GaAs/AlAs spherical quantum dot was studied using infinite potential model. In presence of strong electric field, due to the stark effect (perturbing electric field), the ground state energy would increase linearly. In presence of weak electric fields, the normalized bind...

2016
Alexander Rokhlenko Joel Lebowitz

We investigate enhanced field emission due to a continuous or pulsed oscillating field added to a constant electric field E at the emitter surface. When the frequency of oscillation, field strength, and property of the emitter material satisfy the Keldysh condition γ < 1/2 one can use the adiabatic approximation for treating the oscillating field, i.e. consider the tunneling through the instant...

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