نتایج جستجو برای: evoked magnetic fields
تعداد نتایج: 578127 فیلتر نتایج به سال:
Nanoparticles combined with magnetic fields are one of the most important research areas in the field of biomedical engineering. Direct Current (DC) magnetic and Alternative Current (AC) magnetic fields are often used for controlling nanoparticles. It is also used for hyperthermia treatment. The purpose of the current study is to investigate the effect of DC and AC magnetic field on nanoparticl...
During the past decade considerable evidence has been accumulated with regard to the biological effects, both in vivo and in vitro, of extremely low frequency electric and magnetic fields, such as those originating from residentially proximate power lines, household electrical wiring and diagnostic apparatus and therapy devices. Also, during the evolution process, all living organisms experienc...
In this article, the second quantization method has been used to investigate some thermodynamic properties of spin-polarized metallic nanowire in the presence of magnetic field at zero temperature. We have been observed that in different magnetic field, the equilibrium energy of system increases as the density increases. The spin-polarization parameter corresponding to the equilibrium state of ...
Most of the previously reported studies on the auditory brain function of small animals used invasive techniques, such as the insertion or placement of electrodes in the cortex [1]. The invasive measurement is applied to studies on shortterm experiments because maintaining optimum conditions for a long period of time is difficult in small animals. This study focused on the noninvasive measureme...
Introduction: Extremely low frequency magnetic field is a part of electromagnetic spectrum with frequency range from 30-300 Hz, which effects on the mental and physical health. In the current conditions, some of the labor affairs authorities believe that psychological problems are the main problem among the workers. The present study was designed to assess general health and depression in worke...
in this article, the second quantization method has been used to investigate some thermodynamic properties of spin-polarized metallic nanowire in the presence of magnetic field at zero temperature. we have been observed that in different magnetic field, the equilibrium energy of system increases as the density increases. the spin-polarization parameter corresponding to the equilibrium state of ...
scanning hall probe microscopy (shpm) is a scanning probe microscopy technique developed to observe and image magnetic fields locally. this method is based on application of the hall effect, supplied by a micro hall probe attached to the end of cantilever as a sensor. shpm provides direct quantitative information on the magnetic state of a material and can also image magnetic induction under a...
Acute post-training exposures to weak intensity theta-burst stimulation (TBS) patterned complex magnetic fields attenuated the magnitude of conditioned fear learning for contextual stimuli. A similar learning impairment was evoked in a linear and dose-dependent manner by pre-conditioning injections of the polyamine agmatine. The present study examined the hypothesis that whole-body applications...
In this paper, we have investigated the effects of self-fields on gain in a helical wiggler free electron laser with axial magnetic field and ion-channel guiding. The self-electric and self-magnetic fields of a relativistic electron beam passing through a helical wiggler are analyzed. The electron trajectories and the small signal gain are derived. Numerical investigation is shown that for grou...
OBJECTIVE To test-via Transcranial Magnetic Stimulation (TMS)-the excitability of each brain hemisphere after 'real' or 'sham' exposure to the electromagnetic field (EMF) generated by a mobile phone operating in the Global System for Mobile Communication (GSM). METHODS Fifteen male volunteers attended two experimental sessions, one week apart, in a cross-over, double-blind paradigm. In one se...
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