نتایج جستجو برای: threshold level
تعداد نتایج: 1183760 فیلتر نتایج به سال:
The relationship between exposure to low doses of ionizing radiation (<100 mSv) and the risk of leukemia has perplexed researchers for decades. The recent accident in Fukushima, Japan has led to a renewed interest in better understanding this relationship, which has significant implications for government-outlined safety procedures for individuals working in occupations, such as the nuclear ind...
The rotationally resolved spectrum of the @ band of the S, + So electronic transition of the benzene-N, van der Waals complex has been recorded and 119 transitions assigned. The G,H,.N, complex, produced in a pulsed molecular beam, was detected by mass-selected two-photon twecolour ionization employing a high-resolution (Av uv= 100 MHz, fwhm) pulsed-amplified cw laser for the resonant intermedi...
A two dimensional model for quantum percolation with variable tunnel-ing range is considered. We employ a numerical method to analyze the level statistics of this model. It turnes out that the level repulsion is strongest around the percolation threshold. As we go away from the maximum level repulsion a crossover from a GOE type behaviour to a Poisson like distribution is indicated. The localiz...
We investigate the effect of halo activity on the electrostatic field measured at ground level. We use electrostatic arguments as well as self-consistent simulations to show that, due to the screening charge in the ionosphere, the distant electrostatic field created by the uncompensated charge in a thundercloud decays exponentially rather than as the third power of the distance. Furthermore, si...
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