نتایج جستجو برای: virtual source position of electron
تعداد نتایج: 21245262 فیلتر نتایج به سال:
virtual water adds a new dimension to crop trades and provides a new way of thinking about water scarcity. a systematic analysis of virtual water flows requires integration of all critical drivers of virtual water flows under a single consistent framework. the aim of this study was to assess virtual water flows related to trades of grain crops (wheat, corn, rice, and coarse cereals) and their i...
The aim of this paper is to asses to what extent an optical tracking system (OTS) used for position tracking in virtual reality can be improved by combining it with a human scale haptic device named Scalable-SPIDAR. The main advantage of the Scalable-SPIDAR haptic device is the fact it is unobtrusive and not dependent of free line-of-sight. Unfortunately, the accuracy of the Scalable-SPIDAR is ...
GeV beams of light ions and electrons are used for creating a high flux of real and virtual photons, with which some problems in Nuclear Astrophysics are studied. GeV B beams are used to study the Coulomb dissociation of B and thus the Be(p, γ)B reaction. This reaction is one of the major source of uncertainties in estimating the B solar neutrino flux and a critical input for calculating the B ...
Penetration and estimation of absorbed dose of electron in soft tissue is investigated in this paper. Neck phantom was simulated by MCNPX code version 2.6. The Phantom was included skin, adipose, neck tissue, neck bone and thyroid glands. Radiation source kept near to the skin surface and located in the back of the neck. Electrons were collided perpendicular to the skin surface. The curves show...
la seconde moitié du xviie siècle est le témoin de la lutte religieuse entre les jansénistes et les jésuites. le jansénisme est fondé par théologien hollandais, jansénius. ce courant se développera dans les milieux intellectuels et religieux de lépoque, en particulier à labbaye de port-royal, considérée comme le berceau du jansénisme. a vrai dire, le jansénisme est un catholicisme ultra-orthodo...
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