Results 11 to 20 of about 9,749 (213)

Bazı K ve Ca Bileşikleri İçin Kütle Soğurma Katsayısı, Toplam Elektronik Tesir Kesiti, Toplam Atomik Tesir Kesiti, Etkin Atom Numarası, Etkin Elektron Yoğunluğu ve Kerma Ölçümü

Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2021
Bu yazıda deneysel ve teorik olarak bazı K ve Ca bileşiklerinin kütle soğurma katsayısı geçirgenlik yöntemi kullanılarak hesaplanmıştır. Ayrıca kütle soğurma katsayısı kullanılarak toplam elektronik tesir kesit, toplam atomik kesit, etkin atom numarası ...
Saniye Tekerek
doaj   +1 more source

Comparison of air kerma rate between the S7500 and S7600 xoft axxent sources.

Brachytherapy, 2022
PURPOSE The purpose of this work was to evaluate differences in air-kerma rate of the older, S7500 water-cooled Xoft Axxent source and newer, S7600 Galden-cooled source.
Autumn E. Walter, Jennifer L. Hull, L. DeWerd   +2 more
semanticscholar   +1 more source

Niveles de Referencia de Dosis (DRL) en estudios radiológicos para obtención de imágenes intraorales digitales. Valores preliminares para Costa Rica

Ciencia & Salud, 2023
El establecimiento de DRLs para estudios de radiología diagnóstica es un proceso clave en la optimización de la protección radiológica de los pacientes al permitir comparar, hacer ajustes y mejoras a los protocolos establecidos para un mismo tipo de ...
Oscar Alberto Sáenz Rosales, Fredys Santos Gutiérrez, Lourdes Salvador Hernández, Manuel Gavarrete Chaves   +3 more
doaj   +1 more source

Study of effective atomic numbers and electron densities, kerma of alcohols, phantom and human organs, and tissues substitutes [PDF]

Nuclear Technology and Radiation Protection, 2013
Effective atomic numbers (ZPIeff) and electron densities of eighteen alcohols such as wood alcohol, CH3OH; grain alcohol, C2H5OH; rubbing alcohol, C3H7OH; butanol, C4H9OH; amyl alcohol, C5H11OH; cetyl alcohol, C16H33OH; ethylene glycol, C2H4(OH)2 ...
Singh Vishwanath P., Badiger Nagappa M.
doaj   +1 more source

Studies on neutron and photon kerma parameters for human body organs [PDF]

Nuclear Technology and Radiation Protection, 2016
A study on neutron kerma factors and photon air-kerma for human organs is presented for neutron energy range 2.53×10-8 MeV to 29 MeV and photon energy range 1 keV to 20 MeV.
Singh Vishvanath P., Badiger Nagappa M., Vega-Carrillo Rene Hector   +2 more
doaj   +1 more source

Measurement of Total Electronic Cross-Section, Total Atomic Cross-Section, Effective Atomic Numbers, Effective Electron Densities and Kerma for Some Br Compounds

Journal of Biomedical Research & Environmental Sciences, 2021
The aim of this study is to calculate the experimental and theoretical the mass attenuation coefficient some Br compounds by using transmission method. Also using these values were determined the total electronic section, total atomic section, effective ...
Tekerek Saniye, Kucukonder Adnan
semanticscholar   +1 more source

Air Kerma Calculation in Diagnostic Medical Imaging Devices Using Group Method of Data Handling Network

Diagnostics, 2023
The air kerma, which is the amount of energy given off by a radioactive substance, is essential for medical specialists who use radiation to diagnose cancer problems.
Licheng Zhang, Fengzhe Xu, Lubing Wang, Yunkui Chen, Ehsan Nazemi, Guohua Zhang, Xicai Zhang   +6 more
doaj   +1 more source

Fluoroscopically-guided interventions with radiation doses exceeding 5000 mGy reference point air kerma: a dosimetric analysis of 89,549 interventional radiology, neurointerventional radiology, vascular surgery, and neurosurgery encounters

CVIR Endovascular, 2020
Purpose To quantify and categorize fluoroscopically-guided procedures with radiation doses exceeding 5000 mGy reference point air kerma (K a,r ). K a,r  > 5000 mGy has been defined as a “significant radiation dose” by the Society of Interventional ...
J. Bundy, I. McCracken, D. Shin, E. Monroe, G. Johnson, C. Ingraham, K. Kanal, Richa A. Bundy, S. T. Jones, K. Valji, J. Chick   +10 more
semanticscholar   +1 more source

Patient dose measurement and dose reduction in chest radiography [PDF]

Nuclear Technology and Radiation Protection, 2014
Investigations presented in this paper represent the first estimation of patient doses in chest radiography in Montenegro. In the initial stage of our study, we measured the entrance surface air kerma and kerma area product for chest radiography
Milatović Aleksandra A., Spasić-Jokić Vesna M., Jovanović Slobodan I.   +2 more
doaj   +1 more source

Conversion coefficients from total air kerma to the newly proposed ICRU/ICRP operational quantities for radiation protection for photon reference radiation qualities

Journal of Radiological Protection, 2020
The International Commission on Radiation Units and Measurements (ICRU) has recently proposed a set of new operational quantities for radiation protection.
R. Behrens, T. Otto
semanticscholar   +1 more source