نتایج جستجو برای: non thermal effects
تعداد نتایج: 2882605 فیلتر نتایج به سال:
Bio-effects mediated by non-ionizing electromagnetic fields (EMF) have become a hot topic of research in the last decades. This interest has been triggered by a growing public concern about the rapid expansion of telecommunication devices and possible consequences of their use on human health. Despite a feasibility study of potential negative impacts, the therapeutic advantages of EMF could be ...
A model for calculating the lattice thermal conductivity in semiconductor thin films and nanowires is developed. It is based on the solution of phonon Boltzmann equation and takes into account phonon dispersion modification due to confinement effects and non-equilibrium phonon redistribution. Phonon spatial confinement at the structure boundaries leads to modification of the acoustic phonon dis...
In the present work, we use reverse non-equilibrium molecular dynamics with adaptive intermolecular reactive empirical bond order interatomic potential to investigate sensitivity of thermal conductivity in (6, 6) single-walled carbon nanotubes (SWCNTs) to side-wall defects and high temperature heat-treatment. Effects of two side-wall defect types and their concentrations are evaluated: chemisor...
Thermal and non-thermal technologies are both used in the processing and preservation of foods. Recently, awareness about good nutrition coupled with the increasing demand for fresher tasting food have paved theway for new food processing technologies.These include thermalprocessingmethods such asmicrowave (MW), radiofrequency (RF), infrared (IR) heating, pressure-assisted thermal sterilization...
Background and Objective: Cannabis sativa can produce phytocannabinoids such as tetrahydrocannabinolic acid and cannabidiolic acid, they are of the most important of these compounds that affect the endocannabinoid system and result in nervousness, epilepsy and nausea. This research was to investigate effects of hexanic and hydroalcoholic extracts of female Cannabis sativa flowers which have the...
‘Hyperthermia is generally regarded as an experimental treatment with no realistic future in clinical cancer therapy’ – Horsman and Overgaard said in 2007, though, trying to combat this statement. It’s difficult to find another method in medicine which remains experimental after 40 years of research and application. Hyperthermic community usually claims to technical problems of heating and heat...
the present paper was aimed to study the effects of variable thermal conductivity and heat generation on the flow of a viscous incompressible electrically conducting fluid in the presence of a uniform transverse magnetic field, thermal radiation, porous medium, mass transfer, and variable free stream near a stagnation point on a non-conducting stretching sheet. equations of continuity, momentum...
In this study multivariate statistical analysis are used to characterize relationships between hydrochemical properties ofthermal and non-thermal springs. Four factors for thermal waters and two for non-thermal springs were extracted basedon factor analysis. In thermal springs, the first factor showed high loading on Ca, Mg, Na and K and this factor wasinterpreted as leaching of cations in the ...
We investigate the effect of a hybrid electron population, consisting of both thermal and non-thermal particles, on the synchrotron spectrum, image size, and image shape of a hot accretion flow onto a supermassive black hole. We find two universal features in the emitted synchrotron spectrum: (i) a prominent shoulder at low (∼< 10 11 Hz) frequencies that is weakly dependent on the shape of the ...
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