An experimental platform for triaxial high-pressure/high-temperature testing of rocks using computed tomography

G Glatz, A Lapene, LM Castanier… - Review of Scientific …, 2018 - pubs.aip.org
A conventional high-pressure/high-temperature experimental apparatus for combined
geomechanical and flow-through testing of rocks is not X-ray compatible. Additionally …

Direct measurement of clinical mammographic x‐ray spectra using a CdTe spectrometer

JC Santos, A Tomal, TA Furquim, AMF Fausto… - Medical …, 2017 - Wiley Online Library
Purpose To introduce and evaluate a method developed for the direct measurement of
mammographic x‐ray spectra using a CdTe spectrometer. The assembly of a positioning …

Determination of the voltage applied to x‐ray tubes from the bremsstrahlung spectrum obtained with a silicon PIN photodiode

MC Silva, SB Herdade, P Lammoglia… - Medical …, 2000 - Wiley Online Library
This work describes a methodology for the obtainment of the electron accelerating potential
(kVp) applied to an x‐ray tube, through the determination of the end point of the energy …

X‐ray spectroscopy in mammography with a silicon PIN photodiode with application to the measurement of tube voltage: X‐ray spectroscopy in mammography with a …

R Künzel, SB Herdade, RA Terini, PR Costa - Medical physics, 2004 - Wiley Online Library
In this work a silicon PIN photodiode was employed in mammographic x‐ray spectroscopy
under clinical and nonclinical conditions. Measurements have been performed at a constant …

Comprehensive analysis of the spectrometric determination of voltage applied to X-ray tubes in the radiography and mammography energy ranges using a silicon PIN …

RA Terini, MAG Pereira, R Kunzel… - The British journal of …, 2004 - academic.oup.com
This work describes the analysis of factors which affect the results of estimation of the
electron accelerating potential (kVp) applied to an X-ray tube, through determination of the …

Generation of calibrated tungsten target x-ray spectra: modified TBC model

PR Costa, DY Nersissian, FC Salvador, PB Rio… - Health …, 2007 - journals.lww.com
In spite of the recent advances in the experimental detection of x-ray spectra, theoretical or
semi-empirical approaches for determining realistic x-ray spectra in the range of diagnostic …

Evaluation of protective shielding thickness for diagnostic radiology rooms: Theory and computer simulation

PR Costa, LVE Caldas - Medical Physics, 2002 - Wiley Online Library
This work presents the development and evaluation using modern techniques to calculate
radiation protection barriers in clinical radiographic facilities. Our methodology uses realistic …

Evaluation of conversion coefficients relating air-kerma to H*(10) using primary and transmitted x-ray spectra in the diagnostic radiology energy range

JC Santos, L Mariano, A Tomal… - Journal of Radiological …, 2016 - iopscience.iop.org
Abstract According to the International Commission on Radiation Units and Measurements
(ICRU), the relationship between effective dose and incident air-kerma is complex and …

Diffraction-based residual stress mapping of a stress frame of gray iron via vibratory stress relief method

SW Chen, EW Huang, SM Chiu, M Reid, CY Wu… - Frontiers in …, 2022 - frontiersin.org
The role of residual stress is critical, particularly for machine tools demanding accuracy
below 1 µm. Although minor stresses are subjected to a tiny area, the applied force can …

Spectral reconstruction of dental X-ray tubes using laplace inverse transform of the attenuation curve

A Malezan, A Tomal, M Antoniassi… - Radiation Physics and …, 2015 - Elsevier
In this work, a spectral reconstruction methodology for diagnostic X-ray, using Laplace
inverse transform of the attenuation, was successfully applied to dental X-ray equipments …