نتایج جستجو برای: electromagnetic field measurement
تعداد نتایج: 1247827 فیلتر نتایج به سال:
In this paper, a finite element method, based on a boundary value approach, for the evaluation of the electric field distribution in exposed biological phantoms is presented. Starting from the measurement of the electric field around the phantom, the field prediction is obtained by solving a boundary value problem. This allows to avoid the description of the electromagnetic source and the estim...
Background and aims: Extremely low frequency magnetic field (ELF) is part of Spectrum of electromagnetic waves with range 30 to 300 Hz. The average magnetic field exposures in the workplace have been found to be higher in “electrical occupations” than in other occupations such as office work. The interaction between magnetic fields produced by power lines and substations with living organisms a...
The representation of electromagnetic structures by lumped element circuits is revisited. Network models can be established by a subsequent application of system identification and circuit synthesis methods to data obtained by numerical simulation or from measurement. Network models provide a compact description of electromagnetic structures and can contribute significantly to the formulation o...
چکیده ندارد.
background and objectives: electric, magnetic and electromagnetic fields can act as stress factors with different effects on biological systems. due to the nutritional and medicinal values, and the increasing electromagnetic radiations, the present study was performed to investigate the effects of the electromagnetic field on the developmental stages and cytotoxic properties of okra. methods: b...
background: recently, there are increasing concerns and interests about the potential effects of electromagnetic field (emf) on both human and animal health. objective: the goal of this study was to evaluate the harmful effects of 50 hz non-ionizing emf on rat oocytes. materials and methods: in this experimental study 30 rats were randomly taken from laboratory animals and their ags and weights...
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