نتایج جستجو برای: microscopic constant
تعداد نتایج: 279783 فیلتر نتایج به سال:
We defined dyon charges in the coupled form of Dirac distributions. The general currents formed by these are also form. Microscopic Maxwell equations with sources obtained using material derivative and help Gauss law. It should be noted that this formulation, speed is assumed to constant on average. transition from microscopic macroscopic applied averaging process. Finally, describing electroma...
Homogenization theory is used to calculate the macroscopic dielectric constant from the quantum microscopic dielectric function in a periodic medium. The method can be used to calculate any macroscopic constitutive relation, but it is illustrated here for the case of electrodynamics of matter. The so-called cell problem of homogenization theory is solved and an explicit expression is given for ...
OBJECTIVE This study was aimed to examine the pineal gland of rats exposed to constant light and darkness at light and electron microscopic level. DESIGN For this purpose 18 male Wistar rats were used. Animals were divided into three groups. Rats in group I (Control) were kept under 12 hrs light: 12 hrs dark conditions. Rats in group II were exposed to constant darkness, while rats in group I...
The possibility is discussed of inferring or simulating some aspects of quantum dynamics by adding classical statistical fluctuations to classical mechanics. We introduce a general principle of mechanical stability and derive a necessary condition for classical chaotic fluctuations to affect confined dynamical systems, on all scales ranging from microscopic to macroscopic domains. As a conseque...
We consider ultracold atoms in 2D disordered optical potentials and calculate microscopic quantities characterizing matter wave quantum transport in the noninteracting regime. We derive the diffusion constant as a function of all relevant microscopic parameters and show that coherent multiple scattering induces significant weak localization effects. In particular, we find that even the strong l...
dose-dependent manner among relaxation, decay constant and LDH measurement. A DNA ladder detection method and morphological observations detected no apoptosis in PT-exposed macrophages. Electron microscopic examination revealed vacuolar changes and cell membrane damage in PT-exposed macrophages, but no significant changes in control macrophages. The results of magnetometry, LDH release, apoptos...
We have isolated a myeloma genomic DNA clone containing the variable and constant regions of a mouse alpha chain. Restriction enzyme analyses and electron microscopic R loop mapping have demonstrated that the variable region is separated from the constant region by 6.8 kilobases of intervening DNA. In addition, two intervening DNA sequences of 100--200 bases separate the constant region into th...
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