Results 111 to 120 of about 6,644,877 (248)

Determination of reference dose levels among selected X-ray centers in Lagos State, South-West Nigeria

open access: yesJournal of Clinical Sciences, 2016
Background: With increasing use of diagnostic X-ray machines across Lagos, South-West Nigeria, relevant international bodies have proposed the use of reference dose levels (RDLs) to help manage radiation dose to patients without compromising image ...
Michael Onoriode Akpochafor   +4 more
doaj   +1 more source

Chan-Paton Soliton Gauge States of Compatified Open String

open access: yes, 2000
We study the mechanism of enhanced gauge symmetry of bosonic open string compatified on torus by analyzing the zero-norm soliton (nonzero winding of wilson line) gauge states in the spectrum.
Lee, Jen-Chi
core   +1 more source

DEVELOPMENT OF DIAGNOSTIC REFERENCE LEVELS (DRL) OF PATIENTS X-RAY EXPOSURE IN DIAGNOSTIC RADIOLOGY

open access: yesРадиационная гигиена, 2015
We introduce a system of Diagnostic Reference Levels (DRLs) for patients medical exposure for national health care practice implementation. DRLs are an effective way of the patient radiation protection through the optimization of the medical exposure ...
A. V. Vodovatov   +3 more
doaj  

An Analysis of Computed Tomography Diagnostic Reference Levels in India Compared to Other Countries

open access: yesDiagnostics
Computed Tomography (CT) is vital for diagnosing and monitoring medical conditions. However, increased usage raises concerns about patient radiation exposure. Diagnostic Reference Levels (DRLs) aim to minimize radiation doses in CT imaging.
Maajid Mohi Ud Din Malik   +4 more
doaj   +1 more source

CT Automated Exposure Control Using A Generalized Detectability Index [PDF]

open access: yes, 2019
Purpose Identifying an appropriate tube current setting can be challenging when using iterative reconstruction due to the varying relationship between spatial resolution, contrast, noise, and dose across different algorithms.
Crotty, Dominic J.   +7 more
core   +1 more source

Northeast Glaciers [PDF]

open access: yes, 2003
This reference guide provides a brief review of glaciers in the Northeastern U.S. It then focuses on the glacial affects in four areas, an inland basin near the Finger Lakes area of New York, the Appalachian/Piedmont through New York and Pennsylvania ...

core  

Improved reference models for middle atmosphere ozone [PDF]

open access: yes
Improvements are provided for the ozone reference model which is to be incorporated in the COSPAR International Reference Atmosphere (CIRA). The ozone reference model will provide considerable information on the global ozone distribution, including ozone
Chen, C., Keating, G. M., Pitts, M. C.
core   +1 more source

PROBLEMS OF ESTABLISHING NATIONAL REFERENCE LEVEL FOR RADON

open access: yesРадиационная гигиена, 2015
Implementation of reference level conception for optimization of protection against radon in dwellings requires thorough consideration of a number of associated problems. With regard to both experience with regulation of indoor radon exposure in Russia and ICRP recommendations, Russian national reference level for radon should be expressed using annual
I. V. Yarmoshenko   +2 more
openaire   +1 more source

Optimizing radiation safety: establishment of diagnostic reference levels for CT examinations in Northern Jordan

open access: yesThe Egyptian Journal of Radiology and Nuclear Medicine
Introduction This study aims to establish a diagnostic reference level (DRL) for computed tomography (CT) examinations in northern Jordan, focusing on optimizing radiation doses in compliance with international standards.
Laith Albadarneh   +4 more
doaj   +1 more source

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