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Mostrando ítems 151-160 de 404
The dissolved uranium concentration and 234U/238U activity ratio in groundwaters from spas of southeastern Brazil
(2017-01-01)
This paper describes the natural radioactivity due to 238U and 234U in 75 water sources from spas located in 14 municipalities in São Paulo and Minas Gerais states, Brazil. These waters are extensively utilized for drinking ...
Cálculo de blindaje para la sala de rayos x del equipo de radiología digital ECORAY del Hospital IESS Riobamba.
(Escuela Superior Politécnica de Chimborazo., 2015-07)
The basic fundamentals of radiation physics, existing protocols and knowledge of the structure of an X-ray, allowed for a proper calculation of shielding for digital radiology equipment EcoRay hospital IESS Riobamba, ...
The Structure of a Low-metallicity Giant Molecular Cloud Complex
(2009)
To understand the impact of low metallicities on giant molecular cloud (GMC) structure, we compare far-infrared dust emission, CO emission, and dynamics in the star-forming complex N83 in the Wing of the Small Magellanic ...
Chemistry in externally FUV illuminated protoplanetary disks in the Orion Nebula Cluster
(2022)
Understanding the chemical composition and distribution of the birthplaces of planets (protoplanetary disks) is key to constraining the initial conditions of planet formation and planetary atmospheres. Most protoplanetary ...
Uma avaliação do uso do NCRP 151 na realidade brasileira
(Universidade Estadual Paulista (Unesp), 2009)
Medical Physics is an interdisciplinary field that applies concepts and laws of physics in medical practices. Currently, one of its main applications is the use of ionizing radiation in the treatment of oncological diseases. ...
Cálculo de blindaje para el acelerador lineal monoenergético del Instituto de Cáncer SOLCA Núcleo de Loja
(Escuela Superior Politécnica de Chimborazo, 2014-02-04)
This work describes the basic fundamentals of radiation physics, basic concepts of the structure of the Clinical Linear Accelerator (LINAC) and the main existing protocols for the calculation of high energy photon shielding ...