نتایج جستجو برای: incident radiation
تعداد نتایج: 281981 فیلتر نتایج به سال:
To provide proper medical care for patients after a radiation incident, it is necessary to make the correct diagnosis in a timely manner and to ascertain the relative magnitude of the incident. The present article addresses the clinical diagnosis and management of high-dose radiation injuries and illnesses in the first 24 to 72 hours after a radiologic or nuclear incident. To evaluate the magni...
INTRODUCTION The Australian Radiation Protection and Nuclear Safety Agency (ARPANSA) collect reported incidents for inclusion in the Australian Radiation Incident Register (ARIR), a database of radiation incident reports that occur within Australia. While the information on previous radiation incidents is available, there is little information on the lessons that can be learned from those past ...
This paper proposes the modeling and simulation of the incident solar radiation on a horizontal and inclined plane in the city of Agadir. To do, we adopt the Kasten model which takes the atmospheric turbidity into consideration in order to estimate the incidental solar radiation on a horizontal plane. In addition we determine the incident solar radiation on an inclined plane from the global hor...
Background Under field conditions, the development of crops depends on capacity of the canopy to intercept incident radiation and convert it into new biomass (Gifford et al. 1984). The amount of incident radiation intercepted depends on the leaf area index (LAI) and canopy orientation in space. The fraction of the incident photosynthetically active radiation (IPAR) that is absorbed by a canopy ...
[1] This study develops an analytical four-stream isosector approximation for solar radiative transfer in a homogeneous canopy, based on the approximation of four spherical sectors of isotropic intensities (constant values for light intensities). Compared to results from a multilayer radiative transfer model, the four-stream isosector approximation substantially improves the accuracy in calcula...
a = bubble radius, m b = corrective factor used in Eq. (10) cij = matrix elements of the sensitivity coefficients J e = sample thickness, m f1, f2 = spectral weights of the Henyey–Greenstein phase function HG g = spectral asymmetry factor g1, g2 = spectral parameters of the Henyey–Greenstein phase function HG I = spectral radiation intensity, W m 2 sr 1 J = matrix of the sensitivity coefficient...
PURPOSE Incident investigation, reporting, and learning are core elements of quality improvement in radiation treatment. This report describes the development of a Canadian National System for Incident Reporting in Radiation Treatment (NSIR-RT), focusing especially on the taxonomy. METHODS AND MATERIALS The NSIR-RT was developed to provide a framework in Canada for reporting and analyzing rad...
This work presents the absorptance of high-temperature superconducting YBa Cu O 2 3 7 d I 1 ( ) YBCO films, deposited on Si substrates, in the far infrared from 15 to 95 cm ( ) ( wav elength from 667 to 105 m m at temperatures of 100, 200, and 300 K i.e., in the ) normal state . Our experiments show a significant difference in the absorptance for radiation incident on the film side as compared ...
Many scattering experiments in which a beam radiation or particles are sent into a material that scatters them have a number of features in common. (We shall use the word radiation to refer to the thing that is scattered.) • The radiation is a wave that satisfies a wave equation. • The incident beam is collimated (moving in one particular direction). • The incident beam is monochromatic (a narr...
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