نتایج جستجو برای: electromagnetic parameters

تعداد نتایج: 647380  

Journal: :iranian journal of radiation research 0
s.a. falahati department of medical physics, shahid sadoughi university of medical sciences, yazd, iran m. anvari department of biology and anatomical sciences, research and clinical center for infertility, shahid sadoughi university of medical sciences, yazd, iran m.a. khalili department of biology and anatomical sciences, research and clinical center for infertility, shahid sadoughi university of medical sciences, yazd, iran

background: in previous investigations, it has been clarified that electromagnetic fields (elf) can cause some changes in cellular behavior. the aim of this prospective study was to investigate the effect of magnetic field (mf) on human sperm parameters of motility, morphology, and viability. materials and methods: semen samples were collected from 12 fertile men, and were allowed to liquefy fo...

Journal: :Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics 2000
Carozzi Karlsson Bergman

In this paper, generalizations of the Stokes parameters and alternative characterizations of three-dimensional (3D) time-varying electromagnetic fields is introduced. One of these characteristics is the normal of the polarization plane, which, in many cases of interest, is parallel (or antiparallel) to the direction of propagation. Others are the two spectral density Stokes parameters which des...

2007
K Guven A O Cakmak M D Caliskan T F Gundogdu M Kafesaki C M Soukoulis

We report an experimental and numerical analysis of a planar metamaterial designed for normal-to-plane propagation, and operating at microwave frequencies. The metamaterial consists of cutwire and wire patterns, which are arranged periodically on both sides of a dielectric layer, in the form of a bilayer. The left-handed transmission band of the metamaterial is demonstrated experimentally. The ...

2007
Chuanwei Zhang V. W. Scarola S. Das Sarma

We propose a technique to measure multispin correlation functions of arbitrary range as determined by the ground states of spinful cold atoms in optical lattices. We show that an observation of the atomic version of the Stokes parameters, using focused lasers and microwave pulsing, can be related to n-spin correlators. We discuss the possibility of detecting not only ground state static spin co...

In this research, a 3-D mathematical model is developed for simulating electromagnetic continuous removal of inclusions from molten metals. The model includes the computation of electromagnetic force field and fluid flow in the presence of electromagnetic forces. The results of flow field together with electromagnetic force field were further used for calculating the trajectory of inc...

امینی, الهه, بهارآرا, جواد, ظفربالانژاد, سعیده, واسعی, نازنین,

Electromagnetic field is a stress factor which can interfere with the functions of body organs. This study aims to evaluate the protective impact of the aqua extract of Persian Gulf sea cucumber on damages induced by low frequency electromagnetic field in male gonads of Balb/C mice. Mice were divided into control, sham-exposed and 5 experimental groups. The experimental groups were then exposed...

2011
E. Episkopou S. Papantonis W. J. Otter

Two industry-standard electromagnetic modelling software packages, HFSSTM and CST Microwave Studio, are used extensively for modelling arbitrary THz structures. However, with both there are a number of practical issues that relate to how such commercially-available software can be used to give results that are meaningful and accurate. In this paper conventional air-filled metal-pipe rectangular...

ژورنال: آبزیان زینتی 2019

The objective of this paper is to survey the results of studies on the biological effects of electromagnetic fields on fish. First, the basic concepts of electromagnetism and electromagnetic spectrum and the importance of studying it in the case of fish are discussed. Then a summary of the results obtained on the effects of extremely low frequency electromagnetic fields (ELF-EMFs) and radiofreq...

Journal: :Optics letters 2005
Olga Korotkova Emil Wolf

A generalization of the Stokes parameters of a random electromagnetic beam is introduced. Unlike the usual Stokes parameters, which depend on one spatial variable, the generalized Stokes parameters, depend on two spatial variables. They obey precise laws of propagation, both in free space and in any linear medium, whether deterministic or random. With the help of the generalized Stokes paramete...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید