Results 31 to 40 of about 20,595,578 (256)

A Genre Analysis of Science and Technology Scopus-Indexed Journal Articles: Does Impact Factor Project Different Rhetorical Moves?

open access: yesJL3T (Journal of Linguistics, Literature and Language Teaching), 2023
Productivity in conducting research and publishing articles is the obligation of lecturers as academics. However, due to their failure to follow international writing conventions, they have difficulties in writing for international publications.
Violita Zarkasih Suryawinata   +2 more
doaj   +1 more source

THE NEPSKY-1 IMPACT CRATER AND ITS FILL DEPOSITS ON THE BASEMENT ROOF OF THE SIBERIAN PLATFORM

open access: yesГеодинамика и тектонофизика, 2020
In the Earth studies, discoveries and investigations of impact craters buried beneath thick sediments are sporadic so far and may still remain inefficient, unless geophysical surveys of the areas of interest are initiated. Such studies can provide useful
M. I. Gyokche, A. V. Plyusnin
doaj   +1 more source

Terrestrial Impact Structures [PDF]

open access: yesAnnual Review of Earth and Planetary Sciences, 1987
Impact structures are the dominant landform on planets that have retained portions of their earliest crust. The present surface of the Earth, however, has comparatively few recognized impact structures. This is due to its relative youthfulness and the dynamic nature of the terrestrial geosphere, both of which serve to obscure and remove the impact ...
openaire   +2 more sources

Impact structures in Africa: A review

open access: yesJournal of African Earth Sciences, 2014
More than 50 years of space and planetary exploration and concomitant studies of terrestrial impact structures have demonstrated that impact cratering has been a fundamental process - an essential part of planetary evolution - ever since the beginning of accretion and has played a major role in planetary evolution throughout the solar system and beyond.
Christian Koeberl, Wolf Uwe Reimold
openaire   +4 more sources

In situ U–Pb analysis of shocked zircon from the Charlevoix impact structure, Québec, Canada

open access: yesMeteoritics and Planetary Science, 2019
Laser ablation inductively coupled plasma‐mass spectrometry (LA‐ICP‐MS) U–Pb geochronology of shocked zircon grains in a vesicular‐fluidal impact melt rock from the ≥54 km Charlevoix impact structure, Québec, Canada, suggests an Ordovician to Silurian ...
M. Schmieder   +4 more
semanticscholar   +1 more source

Identification of a meteoritic component using chromium isotopic composition of impact rocks from the Lonar impact structure, India

open access: yesMeteoritics and Planetary Science, 2019
The existence of mass‐independent chromium isotope variability of nucleosynthetic origin in meteorites and their components provides a means to investigate potential genetic relationship between meteorites and planetary bodies.
B. Mougel   +4 more
semanticscholar   +1 more source

Titanium Dioxide: Structure, Impact, and Toxicity

open access: yesInternational Journal of Environmental Research and Public Health, 2022
Titanium dioxide, first manufactured a century ago, is significant in industry due to its chemical inertness, low cost, and availability. The white mineral has a wide range of applications in photocatalysis, in the pharmaceutical industry, and in food ...
Anca Diana Racovita
semanticscholar   +1 more source

Bouguer anomaly inversion and hydrocode modeling of the central uplift of the Araguainha impact structure

open access: yesAnais da Academia Brasileira de Ciências, 2021
Araguainha is a mid-sized complex impact structure formed in sedimentary and underlying basement rocks of the Paraná Basin, Brazil. The structure has strongly deformed sedimentary strata surrounding a granitic core. The central uplift is a region of high
MARCELLE R. MIYAZAKI   +4 more
doaj   +1 more source

Documentation of shock features in impactites from the Dhala impact structure, India

open access: yesMeteoritics and Planetary Science, 2019
The fundamental approach for the confirmation of any terrestrial meteorite impact structure is the identification of diagnostic shock metamorphic features, together with the physical and chemical characterization of impactites and target lithologies ...
J. Pati   +5 more
semanticscholar   +1 more source

Scaling and Structural Impact

open access: yesProcedia Engineering, 2017
Abstract Experiments dealing with impact of large structures, like ships and buses, are cost prohibitive. One possibility is to test scaled models, which unfortunately do not obey the scaling laws due to material strain rate sensitivity. A set of scaling numbers is here presented that allow perfect similarity between model and strain rate sensitive ...
L.M. Mazzariol   +3 more
openaire   +2 more sources

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