Results 1 to 10 of about 7,492 (146)

The Role of Dislocations in the Anelasticity of the Upper Mantle

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 10, October 2025.
Abstract Dislocation‐based dissipation mechanisms potentially control the viscoelastic response of Earth's upper mantle across a variety of geodynamic contexts, including glacial isostatic adjustment, postseismic creep, and seismic‐wave attenuation.
Diede Hein   +9 more
wiley   +1 more source

On understanding and interpretation in mathematics: An integrative overview [PDF]

open access: yes, 2011
For decades, understanding has been considered as a basic theme of interest and a research object in Mathematics Education. In this theoretical overview paper we present a integrative framework for organizing the diversity of results that emerge from the
Gallardo, Jesús, González, José Luis
core  

A Paleotectonic Atlas of the African Plate: Permian to Recent

open access: yesJournal of Petroleum Geology, Volume 48, Issue 4, Page 231-279, October 2025.
ABSTRACT The fragmentary release of petroleum data defining the deep structure and stratigraphy of African basins has been integrated with existing literature to compile 19 tectonic maps over key geological intervals from Permian to Recent times. African plate margins range in their age of opening from Late Triassic (off Lebanon), through Early/Middle ...
Duncan S. Macgregor, Colin V. Reeves
wiley   +1 more source

Molecular Gas, Dust and Star Formation in the Barred Spiral NGC 5383

open access: yes, 1999
We present multi-wavelength (interferometer and single-dish CO J=1-0, Halpha, broadband optical and near-infrared) observations of the classic barred spiral NGC 5383.
Athanassoula E.   +19 more
core   +1 more source

Bimodal Slip Segmentation of the SW Hellenic Megathrust Revealed by the Mw 6.8 Methoni Earthquake Sequence and Tomography

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 9, September 2025.
Abstract The influence of geological and structural heterogeneity on the megathrust slip behavior in subduction zones has been widely discussed for both the lower‐ and upper‐plates. In this work, we present OBS local earthquake tomography on the outer forearc domain of the SW Hellenic subduction zone performed with the aftershocks of the 2008 Mw 6.8 ...
M. Sachpazi   +6 more
wiley   +1 more source

Dissolved Gas Analysis for Fault Prediction in Power Transformers Using Machine Learning Techniques

open access: yesApplied Sciences
Power transformers are one of the most important elements of electrical power systems. The fast diagnosis of transformer faults improves the efficiency of power systems.
Sahar R. Al-Sakini   +3 more
doaj   +1 more source

Common Visual Representations as a Source for Misconceptions of Preservice Teachers in a Geometry Connection Course [PDF]

open access: yes, 2019
In this paper, we demonstrate how atypical visual representations of a triangle, square or a parallelogram may hinder students’ understanding of a median and altitude.
Henry G. Gilbert Nursery and Seed Trade Catalog Collection.   +2 more
core   +1 more source

Molecular cloud distance determination from deep NIR survey extinction measurements

open access: yes, 2010
Using near infrared UKIDSS Galactic Plane Survey data, we make extinction measurements to individual stars along the same line of sight as molecular clouds.
Hoare, M. G., Stead, J. J.
core   +1 more source

On the effective turbulence driving mode of molecular clouds formed in disc galaxies

open access: yes, 2017
We determine the physical properties and turbulence driving mode of molecular clouds formed in numerical simulations of a Milky Way-type disc galaxy with parsec-scale resolution.
Federrath, Christoph   +5 more
core   +1 more source

A Close Comparison between Observed and Modeled Ly{\alpha} Lines for z ~ 2.2 Lyman Alpha Emitters

open access: yes, 2015
We present the results of a Lya profile analysis of 12 Lya emitters (LAEs) at z = 2.2 with high-resolution Lya spectra. We find that all 12 objects have a Lya profile with the main peak redward of the systemic redshift defined by nebular lines, and five ...
Goto, Ryosuke   +9 more
core   +1 more source

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