Results 51 to 60 of about 189,006 (209)

Dose Reduction of Dynamic Computed Tomography Myocardial Perfusion Imaging by Tube Voltage Change: Investigation in a Swine Model

open access: yesFrontiers in Cardiovascular Medicine, 2022
BackgroundIt is unclear whether tube voltage influences the measurement of perfusion parameters. The present study sought to evaluate the influence of tube voltage change on myocardial blood flow (MBF) measurements in dynamic computed tomography ...
Wenlei Geng   +7 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.
Lehmann, Hartmut, Wadsworth, Jonathan
core   +6 more sources

Extra Oral Periapical Radiography: A Review

open access: yesAdvances in Human Biology, 2014
Background: Intra oral periapical radiographs remain the backbone of diagnostic assessment of dento-facial pathologies. However, in some clinical situation like in developmentally disabled individuals, those with an exaggerated gag reflex, pediatric ...
Rachna Kaul, P S Shilpa
doaj  

Radiation Cataract—New Evidence on Radiation Dosage to the Lens

open access: yesThe British Journal of Radiology, 1966
1. The eyes of 104 patients treated for 106 tumours of the eyelids in 1952–53 and 1957–58, have been examined in 1964. 2. Fourteen cases of radiation cataract (only six seriously affecting visual acuity) were found in 38 patients treated by radon gold seed implant.
M J, Britten, K E, Halnan, W J, Meredith
openaire   +2 more sources

Optical Link of the Atlas Pixel Detector [PDF]

open access: yes, 2007
The on-detector optical link of the ATLAS pixel detector contains radiation-hard receiver chips to decode bi-phase marked signals received on PIN arrays and data transmitter chips to drive VCSEL arrays.
A. Rahimi   +14 more
core   +2 more sources

Macromolecular structural dynamics visualized by pulsed dose control in 4D electron microscopy [PDF]

open access: yes, 2011
Macromolecular conformation dynamics, which span a wide range of time scales, are fundamental to the understanding of properties and functions of their structures.
A. H. Zewail   +18 more
core   +2 more sources

Non-thermal plasma technology for the abatement of NOx and SOx from the exhaust of marine diesel engine [PDF]

open access: yes, 2013
Non-thermal plasma based technology is proposed to the abatement of NOx and SOx of the exhaust gas from marine diesel engine. Proposed technology uses electron gun and microwave energy to generate the plasma.
Abbod, M   +3 more
core   +1 more source

Dosimeter for high levels of absorbed radiation Patent [PDF]

open access: yes, 1969
Development of dosimeter for measuring absorbed dose of high energy ionizing ...
Bell, V. L., Jr., Pezdirtz, G. F.
core   +1 more source

A simple code for use in shielding and radiation dosage analyses [PDF]

open access: yes, 1972
A simple code for use in analyses of gamma radiation effects in laminated materials is described. Simple and good geometry is assumed so that all multiple collision and scattering events are excluded from consideration.
Wan, C. C.
core   +1 more source

Treatment of severe radiation proctitis with high dosage of vitamin C in combination with cyclooxygenase-2 inhibitor

open access: yesRadiation Medicine and Protection
Objective: To explore the new treatment strategies for radiation proctitis, which is the most common complication of pelvic tumor malignancies. Methods: Four cases of patients with severe radiation proctitis were treated with high-dosage vitamin C (VC ...
Han Wu   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy