نتایج جستجو برای: magnetic field measurement

تعداد نتایج: 1444374  

Journal: :پژوهش های زراعی ایران 0
حسن فیضی پرویز رضوانی مقدم علی اصغر برهمند

in order to study the effects of magnetic field, silver nano particles and micronutrient fertilizers on sugar beet, an experiment was conducted at razavi research and technology institute, mashhad, iran. experiment carried out with seven treatments based on randomized complete block design with three replications. treatments included (t1) magnetic field and silver nano particles + kemira fertil...

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: :CoRR 2016
Darko Brodic Alessia Amelio

The paper considers the problem of the extremely low frequency magnetic field radiation generated by the tablet computers. Accordingly, the measurement of the magnetic field radiation from a set of tablets is carried out. Furthermore, the measurement results are analyzed and clustered according to the K-Medians algorithm to obtain different magnetic field ranges. The obtained cluster ranges are...

2008
Gregory P Lousberg Jean-François Fagnard Jacques G Noudem Marcel Ausloos Benoit Vanderheyden Philippe Vanderbemden

We use macroscopic holes drilled in a bulk YBCO superconductor to probe its magnetic properties in the volume of the sample. The sample is subjected to an AC magnetic flux with a density ranging from 30 mT to 130 mT and the flux in the superconductor is probed by miniature coils inserted in the holes. In a given hole, three different penetration regimes can be observed: (i) the shielded regime,...

2008
Hideaki HABARA Masashi YAMAMOTO Takahiro KURAHASHI Kenji KIDA Kazuo A. TANAKA

Measurement of magnetic field is one of critical parameters for Fast ignition in inertial confinement fusion research. Not only that the field inside plasma affects the transport of fast electrons generated in intense laser pulse-plasma interactions, but also that measurement of the field is one of good tools for investigation the current of fast electrons, resulting in estimation of conversion...

Journal: :journal of computational applied mechanics 0
borhan beigzadeh biomechatronics and cognitive engineering research lab, school of mechanical engineering, iran university of science and engineering mahdi halabian biomechatronics and cognitive engineering research laboratory, school of mechanical engineering, iran university of science and technology

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: :Physical review letters 2009
R D Petrasso C K Li F H Seguin J R Rygg J A Frenje R Betti J P Knauer D D Meyerhofer P A Amendt D H Froula O L Landen P K Patel J S Ross R P J Town

Unique detection of electromagnetic fields and identification of field type and strength as a function of position were used to determine the nature of self-generated fields in a novel experiment with laser-generated plasma bubbles on two sides of a plastic foil. Field-induced deflections of monoenergetic 15-MeV probe protons passing through the two bubbles, measured quantitatively with proton ...

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