نتایج جستجو برای: generate a secondary magnetic field

تعداد نتایج: 13731869  

The use of magnetic fields in targeted drug delivery, especially for treatment of cancers and tumoral regions, is one of the significant techniques in the field of modern methods of treatment. Considering that many vital biological tissues have been located deep in the body, then for targeted drug delivery and effective treatment in these tissues, it is required to bring therapeutic agent to th...

Journal: :Monthly Notices of the Royal Astronomical Society 1996

B. Ghanbari G. Nabiyouni, M. Merikhi

In this paper, the effect of magnetic field on the morphology, structure and magnetic properties of electrodeposited FeCu/Cu thin films was investigated. The films were deposited on Au2PdAg/glass substrates using electrodeposition technique in potentiostatic control. The magnetic fields of 5000 and 7000 Oe were applied on deposition bath during deposition. Two series of thin films were prepared...

Journal: :iranian journal of medical physics 0
seyed mohammad firoozabadi biomedical engineering department, research deputy of medical sciences faculty, tarbiat modares university, tehran, iran

introduction increase in alpha band is observed when blood perfusion in frontal area of head decreases. the present study evaluated some changes in the alpha band particularly, alpha-1 of frontal and central areas of the head, when several areas were exposed simultaneously to magnetic field. materials and methods five points of head (f3, f4, cz, t3, and t4) of twenty healthy male participants w...

Journal: :international journal of advanced design and manufacturing technology 0
reza keimanesh department of mechanical engineering, k. n. toosi university of technology, iran cyrus aghanajafi department of mechanical engineering, k. n. toosi university of technology, iran

this study is considering a micropolar fluid flow over a porous stretching sheet in the presence of thermal radiation and uniform magnetic field. the effects of local variation in thermal conductivity of micropolar fluid on heat transfer rate from the sheet are investigated; besides, the impacts of radiation, magnetic field and porous sheet on variations of thermal boundary layer thickness are ...

Journal: :journal of research in medical sciences 0
akram ahangarpour hadi fathi-moghaddam mohammad javad tahmasebi birgani hajieh shahbazian mohammad badavi

background : electromagnetic fields are associated with production, transmission and use of electricity. in this  tudy we have investigated the effects of short and long time alternative magnetic fields' (amf, 50 hz) exposure on the secretion of hypothalamic-pituitary-gonadal axis in the male rats. methods : forty eight wistar male rats, same range of age and weight were divided into four group...

Journal: :journal of structural engineering and geo-techniques 2012
s. f ashrafi m behzad a naseri h ghafarian malmiri

in this study, the feasibility of using magnetic technology to reduce the dispersion of soil has been investigated. the reference treatment was potable water and 3 magnetic water devices (with different magnetic intensities) were used for magnetizing the potable water. the results showed that the magnetic field has a significant effect in order of 5 percent on increasing of magnesium concentrat...

Journal: :iranian journal of medical physics 0
mehdi roknian m.sc., in health science, tehran university of medical sciences, tehran, iran parvin nassiri professor, health science dept., tehran university of medical sciences, tehran, iran hojat zeraati associate professor, public health science dept., tehran university of medical sciences, tehran, iran mohammad gholami m.d., sepahe eslam makhsus highway, defense industries organization (d.i.o), armament industries group.hadid industries

introduction: it is important that biological and health effects from the induction of currents and fields in the body by extremely low frequency (elf) fields are fully explored to determine the effects produced at the molecular, cellular and organ levels. the objective of this study was to evaluate the intensity of elf electromagnetic fields and its probable relationship with hematological cha...

F. Soheilian M. Firoozi M. Ghasemloo M. R. Soltani N. Nikdel

In this paper we studied the thermal negativity in a two-qubit XX spin ½ chain model and XXX spin1/2 chain model(isotropic Heisenberg model)spin-1/2 chain subjected to an external magnetic field inz direction. We calculate analytical relation for the thermal negativity for two qubit XX and XXX spinchain models in the external magnetic field. Effects of the magnetic field and temperature on then...

2015
Nuri Hyun Jung Youngseob Shin In-Hye Jung Jungwon Kwak

PURPOSE Toxicity of mucosa is one of the major concerns of radiotherapy (RT), when a target tumor is located near a mucosal lined organ. Energy of photon RT is transferred primarily by secondary electrons. If these secondary electrons could be removed in an internal cavity of mucosal lined organ, the mucosa will be spared without compromising the target tumor dose. The purpose of this study was...

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