Results 51 to 60 of about 173,456 (181)

Comparative study between radiation exposure in common urological procedures

open access: yesBeni-Suef University Journal of Basic and Applied Sciences
Background Fluoroscopy has become essential to urological surgery since advancement of endourology. Fluoroscopy use has increased, placing urologists as well as staff members at risk for occupational radiation exposure and related dangers.
Akrm A. Elmarakbi   +3 more
doaj   +1 more source

Microwave dosimeter - A concept [PDF]

open access: yes, 1971
Dosimeter determines time-integrated radiation dosage to which an individual is exposed. Integration is measured chemically in proportion to radiation detected.
Bartlett, R. G., Bird, F.
core   +1 more source

Entrance skin dose of the thyroid gland area following exposure with different protocols of two panoramic and cone-beam computed tomography devices

open access: yesJournal of Oral and Maxillofacial Radiology, 2019
Background: Cone-beam computed tomography (CBCT) has gained considerable use, while radiation burden remains an important concern. Aims: This study aimed at determining the entrance skin dose of the thyroid gland area through exposure with the normal ...
Bardia Vadiati Saberi   +5 more
doaj   +1 more source

Comparison of two reader modes of computer-aided diagnosis in lung nodules on low-dose chest CT scan

open access: yesJournal of Innovative Optical Health Sciences, 2022
Low-dose computerized tomography (LDCT) scanning is of great significance for monitoring and management of pulmonary nodules on chest computerized tomography (CT).
Qiongjie Hu   +9 more
doaj   +1 more source

The Impact of Chernobyl on Health and Labour Market Performance in the Ukraine [PDF]

open access: yes
Using longitudinal data from the Ukraine we examine the extent of any long-lasting effects of radiation exposure from the Chernobyl disaster on the health and labour market performance of the adult workforce.
Hartmut Lehmann, Jonathan Wadsworth
core   +6 more sources

Assessment of the quantitative accuracy of Rietveld/XRD analysis of crystalline and amorphous phases in fly ash [PDF]

open access: yes, 2017
An internal standard method based on Rietveld/XRD whole-pattern fitting analysis of fly ash is used to assess the quantitative accuracy to determine its crystalline and amorphous phases under various conditions such as internal standards (types, SiO2 ...
Gomez-de-la-Torre, Maria de los Angeles   +4 more
core   +1 more source

Radiation-hard ASICs for optical data transmission in the ATLAS pixel detector [PDF]

open access: yes, 2003
We have developed two radiation-hard ASICs for optical data transmission in the ATLAS pixel detector at the LHC at CERN: a driver chip for a Vertical Cavity Surface Emitting Laser (VCSEL) diode for 80 Mbit/s data transmission from the detector, and a Bi ...
Arms, K E   +14 more
core   +3 more sources

High Efficiency Positron Accumulation for High-Precision Measurements

open access: yes, 2014
Positrons are accumulated within a Penning trap designed to make more precise measurements of the positron and electron magnetic moments. The retractable radioactive source used is weak enough to require no license for handling radioactive material and ...
E. Novitski   +4 more
core   +1 more source

Planning a Trip to Mars [PDF]

open access: yes
In this activity, students will calculate the cumulative radiation dosage for a trip to Mars. They will have to take into consideration the length of the voyage and the amount and sources of radiation that will be present, and will gain an understanding ...

core   +1 more source

Exploration of clinical preferences in treatment planning of radiotherapy for prostate cancer using Pareto fronts and clinical grading analysis

open access: yesPhysics and Imaging in Radiation Oncology, 2020
Introduction: Radiotherapy treatment planning is a multi-criteria problem. Any optimization of the process produces a set of mathematically optimal solutions.
A. Kyroudi   +5 more
doaj  

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