Results 11 to 20 of about 534 (176)

Evaluation of the accuracy of an enhanced MLC leaf model for Linac-based stereotactic radiosurgery. [PDF]

open access: yesJ Appl Clin Med Phys
Abstract Purpose For LINAC‐based stereotactic radiosurgery (SRS) treatments, the binary MLC models utilizing single dosimetric leaf gap (DLG) parameters in Eclipse versions prior to v18 can result in imperfect agreement between measured and calculated doses, increased commissioning complexity, and user‐dependent variability. This study aims to evaluate
Yang Y   +8 more
europepmc   +2 more sources

Bieda i zamożność regionów. Założenia, hipotezy, przykłady

open access: yesStudia Regionalne i Lokalne, 2003
Artykuł odnosi się do istotnych teoretycznych i praktycznych problemów rozwoju regionalnego: przyczyn bogactwa i biedy regionów oraz czynników wpływających na zmianę - pozytywną lub negatywną - ich sytuacji.
Grzegorz Gorzelak
doaj   +1 more source

The people as ‘Volk’ or ‘Bürger’? The implications of ethnic and civic conceptions of the people for the measurement of populist attitudes

open access: yesEuropean Journal of Political Research, Volume 62, Issue 4, Page 1403-1413, November 2023., 2023
Abstract Populists believe in the sovereignty of the people. Yet, the people can be construed in ethnic terms or in civic terms. Using a novel wording experiment in Germany (N = 7,034), we examine whether ethnic or civic conceptions of ‘the people’ affect respondents' adherence to key populist attitude items.
MAURITS J. MEIJERS   +1 more
wiley   +1 more source

Framing, responsiveness, serviceability, and normativity: Categories of perception teachers use to relate to students' mathematical contributions in problem‐based lessons

open access: yesSchool Science and Mathematics, Volume 123, Issue 7, Page 398-413, November 2023., 2023
Abstract We contribute to the understanding of teacher noticing by focusing on what a teacher may notice in students' mathematical contributions in the context of problem‐based lessons. Complementing approaches to research on noticing that focus on individual teachers' perceptual, cognitive, or situated skills, this conceptual article offers four ...
Patricio Herbst   +4 more
wiley   +1 more source

Modelling underground cadastral survey data in CityGML

open access: yesTransactions in GIS, Volume 27, Issue 6, Page 1724-1747, September 2023., 2023
Abstract In underground environments, survey elements such as survey points and observations provide the information required to define legal boundaries. These elements are also used to connect underground legal spaces to a geodetic survey network. Due to the issues of current 2D approaches for managing underground cadastral data, prominent 3D data ...
Bahram Saeidian   +3 more
wiley   +1 more source

Indexing of superimposed Laue diffraction patterns using a dictionary–branch–bound approach

open access: yesJournal of Applied Crystallography, Volume 55, Issue 5, Page 1085-1096, October 2022., 2022
A method is developed to determine multiple simultaneously illuminated crystallographic orientations producing superimposed Laue diffraction patterns on a single detector image, using only spot positions. Tests performed on simulated data show the capability of indexing at least 100 crystals, even if fake spots are added, true spots are removed and ...
Anthony Seret   +4 more
wiley   +1 more source

Understanding the European Union's Perception of the Threat of Cyberterrorism: A Discursive Analysis

open access: yesJCMS: Journal of Common Market Studies, Volume 60, Issue 4, Page 1086-1105, July 2022., 2022
Abstract This article analyses the European Union's (EU) construction of the threat of cyberterrorism. Through the application of interpretive discourse analysis, the article identifies several key strands that underpin the construction of the cyberterrorist threat within the political and security institutions of the EU.
Christopher Baker‐Beall, Gareth Mott
wiley   +1 more source

Campanian (Late Cretaceous) Theonellidae and Phymaraphiniidae (lithistid Demospongiae) from the Miechów and Mogilno‐Łódź synclinoria (southern and central Poland): new data and taxonomic revision

open access: yesPapers in Palaeontology, Volume 8, Issue 2, March/April 2022., 2022
Abstract Theonellid and phymaraphiniid sponges were described for the first time in assemblages of Campanian lithistid Demospongiae collected from Miocene gravels in the Bełchatów lignite mine (Mogilno‐Łódź Synclinorium, central Poland). Here we add an analysis of sponges from museum collections, as well as of newly collected material from Campanian ...
Ewa Świerczewska‐Gładysz   +2 more
wiley   +1 more source

[Retracted] 3D Real Scene Data Collection of Cultural Relics and Historical Sites Based on Digital Image Processing

open access: yesComputational Intelligence and Neuroscience, Volume 2022, Issue 1, 2022., 2022
Traditional digital geometry mainly focuses on local geometric features such as curvature and normal of 3D models. Although the curvature can describe the geometric curvature of the model surface, these local geometric properties cannot describe the global functional structure and associated properties of the 3D model.
Feng Li, Hui Zhao, Rahim Khan
wiley   +1 more source

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