نتایج جستجو برای: non linear radiation
تعداد نتایج: 1906887 فیلتر نتایج به سال:
We introduce a general construction on 2-monads. develop background maps of 2-monads, their left semi-algebras, and colimits in 2-category. Then, we the colimit induced by map show that obtain structure 2-monad give characterisation its algebras. Finally, apply to 2-monads between free symmetric monoidal cartesian combine them into linear-non-linear 2-monad.
In a di erential equations course, one typically studies a few classes of problems for which there are closed form solutions, such as ordinary, linear di erential equations with constant coe cients. Most problems of interest in real world simulation problems are much more complex, however, involving domains of two or more dimensions or nonlinear e ects, yielding partial di erential equations or...
Generally, doses greater than 2Gy can produce acute biological effects in humans. For this reason, to measure and record the cumulative dose, especially in radiation users, the need for a personal dosimeter has been strongly felt by the researchers. The purpose of this study is to introduce retrospective dosimetric techniques, in particular the use of nails as a natural tool for determining cum...
background: radiation shielding properties is an important for a material wish can be used the photon attenuation coefficients of clay produced using different rate of boron have been measured for the purpose of radioactive waste disposal. materials and methods: the measurement has been performed using gamma spectrometer contains nai (tl) detector at the photon energies of 662, 1173 and 1332 ke...
We present the general linear transfer matrix of FEL in the collective regime in terms of a single-mode radiation field amplitude and e-beam current and velocity modulation parameters. The formulation is useful to account for composite configurations of the FEL, including non-radiating sections, and is employed to demonstrate the possibility to control the SASE radiation power (including its su...
Fig. 1. Tumor control probability (TCP) versus biologically effective dose (BED) using the linear quadratic (LQ) model. Data are from Mehta et al (3). The fitted line was obtained using a logistic regression model. The vertical lines indicate the 95% confidence intervals for each cohort. Three-dimensional conformal radiation therapy (3D-CRT; >10 fractions), stereotactic body radiation therapy (...
The effects of heat and mass transfer on MHD mixed convection flow of a vertical surface with radiation, heat source/absorption and chemical reaction has been is discussed. The resulting set of coupled non-linear ordinary differential equations is solved by perturbation technique and for graphs we used MATLAB software. Approximate solutions have been derived for the velocity, temperature, conce...
For the plasma formed under interaction of femtosecond laser radiation with the surface of a target electron velocity distribution has fundamentally non-maxwellian shape: besides thermal electrons, taking their origin from classical collisional mechanisms, hot electron component is formed. In particular such important effects as generation of hard X-rays with high spectral intensity and small p...
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