نتایج جستجو برای: electromagnetic
تعداد نتایج: 76522 فیلتر نتایج به سال:
Electromagnetic radiation environment is one of the important environmental factors. In resent 20 years, the applications of electromagnetic technology became more and more popular. However, electromagnetic environment makes some negative impacts on the surrounding environments and human health, and Environmental Management and Research Department pay a lot attention to it. It will make a great...
Electromagnetic shield made up of single conductor layer of chosen thickness and conducting material can be designed to achieve required shielding performance . This single conductor layer electromagnetic shield would be bulky and occupy more volume when the size of the electronic circuit is shrinking with the advent of microelectronic technologies. In order to optimize the thickness of the ele...
The numerical calculations including voxel human model with an anatomical structure for electromagnetic field and temperature rise induced by electromagnetic energy absorption have been widely investigated over the past dozen years or so. This paper presents the computational electromagnetic dosimetry inside an anatomically based pregnant woman models exposed to electromagnetic wave during magn...
Life on Earth has formed and evolved under exposure to electromagnetic radiation (EMR) of the Sun, which is the most potent natural source of electromagnetic waves. Besides the Sun, electromagnetic oscillations form during lightning strikes. Also, there is geomagnetic background of our planet. Artificial electromagnetic radiation is produced by different electrical equipment, electric motors, r...
Recent work on scattering of massive bodies in general relativity has revealed that the mechanical center mass system (or, more precisely, its relativistic moment) undergoes a shift during process. We show same phenomenon occurs classical charged particles flat spacetime and study effect detail. Working to leading order interaction, we derive formulas for initial final values electromagnetic en...
In this paper we consider electromagnetic field quantization in the presence of a dispersive and absorbing semiconductor quantum dot. By using macroscopic approach and Green's function method, quantization of electromagnetic field is investigated. Interaction of a two-level atom , which is doped in a semiconductor quantum dot, with the quantized field is considered and its spontaneous emission ...
To investigate the electromagnetic interaction of molecules inside the nanotubes, first, the structure of nanotubes B16N16 was optimized with hybrid density functional theory (B3LYP) using the EPR-II basis set, then Cu, Cu+, Cu++ were located in nanotube and we studied the total energy, band gap energy, electrical potential, changes of band gap energy in terms of total energy and dipole moment ...
plants for optimal growth requires absorb water and nutrients absorption from the soil. magnetic water downward movement of minerals and makes it easy for plants to absorb nutrients and water. this study was designed to investigate the effect of magnetic salt water on some quantity and quality characteristics of artichoke leaves. the experiment was factorial based on completely randomized desig...
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