نتایج جستجو برای: combined electromagnetic fields

تعداد نتایج: 673459  

A. Majd M. Hamzeloo-Moghadam S. Irian Z. Hasani Sadrabadi

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...

2016
BETTINA HIEMER JOSEFIN ZIEBART ANIKA JONITZ-HEINCKE PHILIP CHRISTIAN GRUNERT YUKUN SU DORIS HANSMANN RAINER BADER

The application of electromagnetic fields to support the bone-healing processes is a therapeutic approach for patients with musculoskeletal disorders. The ASNIS-III s-series screw is a bone stimulation system providing electromagnetic stimulation; however, its influence on human osteoblasts (hOBs) has not been extensively investigated. Therefore, in the present study, the impact of this system ...

Gh Mortazavi, M Haghani N Rastegarian S Zarei SMJ Mortazavi,

According to the World Health Organization (WHO), factors such as growing electricity demand, ever-advancing technologies and changes in social behaviour have led to steadily increasing exposure to man-made electromagnetic fields.  Dental amalgam fillings are among the major sources of exposure to elemental mercury vapour in the general population. Although it was previously believed that low ...

2012
Henry Lai

s on Effects of Extremely Low Frequency (ELF) EMF on DNA 27 (E)effect reported; 14 (NE)no significant effect reported Ahuja YR, Vijayashree B, Saran R, Jayashri EL, Manoranjani JK, Bhargava SC. In vitro effects of low-level, low-frequency electromagnetic fields on DNA damage in human leucocytes by comet assay. Indian J Biochem Biophys. 36(5):318-322, 1999. (E) The sources for the effects of ele...

Journal: :international journal of advanced biological and biomedical research 2013
namrata agrawal anita jatav p.k singhal

this paper presents an approach to modeling of field penetration and gives contribution to understanding the real effects of the fields and the sensitivity of human model to electromagnetic radiation generated by mobile antenna. when a human body is exposed to the electromagnetic radiation, because human body contain 70% of liquid, and it contain more liquid near of head, heart, abdomen (near o...

1997
I. A. Pshenichnov I. N. Mishustin J. P. Bondorf A. S. Botvina A. S. Iljinov

We study the disintegration of nuclei by strong electromagnetic fields induced by ultrarelativistic heavy ions. The proposed multi-step model includes 1) the absorption of a virtual photon by a nucleus, 2) intranuclear cascades of produced hadrons and 3) statistical decay of the excited residual nucleus. The combined model describes well existing data on projectile fragmentation at energy 200 G...

Journal: :Plastic and reconstructive surgery 2008
Matthew J Callaghan Edward I Chang Natalie Seiser Shahram Aarabi Shadi Ghali Elspeth R Kinnucan Bruce J Simon Geoffrey C Gurtner

BACKGROUND Chronic wounds, particularly in diabetics, result in significant morbidity and mortality and have a profound economic impact. The authors demonstrate that pulsed electromagnetic fields significantly improve both diabetic and normal wound healing in 66 mice through up-regulation of fibroblast growth factor (FGF)-2 and are able to prevent tissue necrosis in diabetic tissue after an isc...

Journal: :Annali dell'Istituto superiore di sanita 2007
Eisuke Hanada

Most problems with the electromagnetic environment of medical institutions have been related to radiated electromagnetic fields and have been constructed from reports about electromagnetic interference (EMI) with electronic medical equipment by the radio waves emitted from mobile telephone handsets. However, radiated electromagnetic fields are just one of the elements. For example, little atten...

Journal: :Computers & Mathematics with Applications 2016
Patrick Ciarlet

We propose sharp results on the numerical approximation of low-regularity electromagnetic fields by edge finite elements. We consider general geometrical settings, including topologically non-trivial domains or domains with a nonconnected boundary. In the model, the electric permittivity and magnetic permeability are symmetric, tensor-valued, piecewise smooth coefficients. In all cases, the err...

ززولی, محمدعلی, صارم صفاری, عادله, محمدیان, محمود, مهاجر دارابی, مصطفی, موسوی نسب, سید نورالدین,

Background and purpose: Considerable increase on the use of electronic devices increased the rate of public occupational exposure to extremely low frequency electromagnetic fields. Assessment of exposure to these fields is highly important due to potential health hazards. This study aimed at investigating the magnetic flux emission from extremely low frequency electromagnetic fields around powe...

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