نتایج جستجو برای: electromagnetic radiation

تعداد نتایج: 286933  

2007
VERNE LOUIS JACOBS

A comprehensive review isn preparation of a diverse class of electromagnetic radiation processes, which may occur in atomic systems, crystal lattices, and e ergetic lectron beams interacting with uniform or pe iodic electric and magnetic fields. We present an i troduction to his review, in the form of a survey of various fundamental electromagnetic radiation processes, from both the classical a...

2013
Junguang Yong Ping Ruan Hongtao Shen

Multiple state-of-the-art techniques, such as multi-dimensional micro-imaging, fast multi-channel micro-spetrophotometry, and dynamic micro-imaging analysis, were used to dynamically investigate various effects of cell under the 900 MHz electromagnetic radiation. Cell changes in shape, size under different power density electromagnetic waves radiation were presented in this paper. Experimental ...

2008
Elvira Bormusov Usha P.Andley Naomi Sharon Levi Schächter Assaf Lahav Ahuva Dovrat

High frequency microwave electromagnetic radiation from mobile phones and other modern devices has the potential to damage eye tissues, but its effect on the lens epithelium is unknown at present. The objective of this study was to investigate the non-thermal effects of high frequency microwave electromagnetic radiation (1.1GHz, 2.22 mW) on the eye lens epithelium in situ. Bovine lenses were in...

2014
Quan WANG Liquan LI Jin JIANG Ataul BARI Changjian DENG Dongyi CHEN

Deployment of wireless systems in nuclear power plants has attracted a lot of attention recently. However, before wireless systems can be installed in a nuclear power plant, it is necessary to evaluate the effect of radiation environment on electromagnetic wave which is the communication media for all radio wave based wireless systems. This is particular important if the wireless systems are ex...

2005
Andy Davidson

People report adverse health symptoms which they attribute to the radiation of microwave signals from mobile phone and TETRA masts. The validity of such reports cannot be safely rejected, either on the grounds of current safety compliance, nor on the grounds that such symptoms cannot be replicated in laboratory experiments in search of a simplified mechanism. Biological effects caused by such e...

2013
Sergei V. Bulanov Timur Zh. Esirkepov Masaki Kando James K. Koga Tatsufumi Nakamura Stepan S. Bulanov Alexei G. Zhidkov Yoshiaki Kato Georg Korn

We discuss the key important regimes of electromagnetic field interaction with charged particles. Main attention is paid to the nonlinear Thomson/Compton scattering regime with the radiation friction and quantum electrodynamics effects taken into account. This process opens a channel of high efficiency electromagnetic energy conversion into hard electromagnetic radiation in the form of ultra sh...

2017

Submit Manuscript | http://medcraveonline.com Abbreviations: EMFs: Electromagnetic Fields; MWR: Microwave Radiation; NIR: Non-Ionizing Radiation; RF-EMW: Radiofrequency Electromagnetic Waves; RF: Radiofrequency; EMW: Electromagnetic Wave; SNS: Sympathetic Nervous System; PNS: Parasympathetic Nervous System; PRA: Plasma Renin Activity; AMI: Acute Myocardial Infarction; SNAP: N-AcetylSnitrosoDl-P...

ژورنال: پژوهش در پزشکی 2015

Background: Electromagnetic fields were made by electromagnetic radiations (EMR) of mobile phone (radio-frequencies 900 MHz). Various researches have shown that there are relationships between mobile phone electromagnetic exposure and cancer and neurologic damages. The aim of our study was to investigate the effects of mobile phone electromagnetic radiations (radio-frequencies 900 MHz) on learn...

2000
Basile Spyropoulos Dimitris Batistatos Dimitris Glotsos Ioannis Marneris

Background information: Electromagnetic radiation is the transmission of energy in the form of waves having an electric and magnetic component. Almost all forms of electromagnetic radiation, which constitute the electromagnetic spectrum, such as radio waves, visible, infrared, and uliraviolet light, X-rays and gamma rays, are employed in the contemporary Hospital. There are some crucial decisio...

2011
Amish P. Shah Patrick A. Kupelian Twyla R. Willoughby Sanford L. Meeks

In the past 10 years, techniques to improve radiotherapy delivery, such as intensity-modulated radiation therapy (IMRT), image-guided radiation therapy (IGRT) for both inter- and intrafraction tumor localization, and hypofractionated delivery techniques such as stereotactic body radiation therapy (SBRT), have evolved tremendously. This review article focuses on only one part of that evolution, ...

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