نتایج جستجو برای: electromagnetic field measurement

تعداد نتایج: 1247827  

2011
S. Caorsi E. Bermani A. Massa

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...

ژورنال: سلامت کار ایران 2015
امکانی, مجتبی, جلیلیان, حامد, حدادی, محسن, ذاکریان, سید ابوالفضل, منظم, محمد رضا, نجفی, کامران ,

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...

2010
Johannes A. Russer Yury Kuznetsov Peter Russer

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پایه 1387

چکیده ندارد.

Journal: :research journal of pharmacognosy 0
z. hasani sadrabadi department of plant biology, faculty of biological science, kharazmi university, tehran, iran. a. majd department of plant biology, faculty of biological science, kharazmi university, tehran, iran. m. hamzeloo-moghadam department of traditional pharmacy, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran. traditional medicine and materia medica research center, shahid beheshti university of medical sciences, tehran, iran. s. irian department of plant biology, faculty of biological science, kharazmi university, tehran, iran.

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...

Journal: :international journal of reproductive biomedicine 0
amir afshin khaki arash khaki seyed shahin ahmadi

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...

Journal: :Journal of Electromagnetic Waves and Applications 2012

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