نتایج جستجو برای: effective electron
تعداد نتایج: 976318 فیلتر نتایج به سال:
The classical Coulomb potential and force can be calculated efficiently using fast multi-pole methods. Effective quantum potentials, however, describe the physics of electron transport in semiconductors more precisely. Such an effective quantum potential was derived previously for the interaction of an electron with a barrier for use in particle-based Monte Carlo semiconductor device simulators...
The impact of plasma shaping on electron heat transport is investigated in TCV L-mode plasmas. The study is motivated by the observation of an increase of the energy confinement time with decreasing plasma triangularity that may not be explained by a change in the temperature gradient induced by changes in the geometry of the flux surfaces. The plasma triangularity is varied over a wide range, ...
In this research, samples of sugarcane bagasse were irradiated with various amounts (0, 100, 200 and 300 Kilogray) in an electron accelerator (TT200) to evaluate the effects of electron-beam irradiation on dry matter, neutral-detergent fiber (NDF) and acid-detergent fiber (ADF) degradability parameters. The first samples were dried and then ground for chemical analysis. The ruminal degradation ...
In this research, samples of sugarcane bagasse were irradiated with various amounts (0, 100, 200 and 300 Kilogray) in an electron accelerator (TT200) to evaluate the effects of electron-beam irradiation on dry matter, neutral-detergent fiber (NDF) and acid-detergent fiber (ADF) degradability parameters. The first samples were dried and then ground for chemical analysis. The ruminal degradation ...
In this paper, drain-source current, transconductance and cutoff frequency in AlGaN/GaN high electron mobility transistors have been investigated. In order to obtain parameters of exact AlGaN/GaN high electron mobility transistors such as electron density, the wave function, band gap, polarization charge, effective mass and dielectric constant, the hydrostatic pressure and temperature effects a...
in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...
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