Effect of Cycle Frequency on High Temperature Oxidation Behavior of Alumina-forming Coatings Used for Industrial Gas Turbine Blades [PDF]
, 2004 Oxidation kinetics of platinum modified aluminide and overlay coatings on nickel base superalloys were investigated. Isothermal oxidation tests were carried out at 1050°C in synthetic air. Cyclic oxidation tests were performed with 2 cycle frequencies :
Monceau, Daniel +2 more
core +2 more sources
Coll Positioning systems: a two-dimensional approach [PDF]
, 2005 The basic elements of Coll positioning systems (n clocks broadcasting electromagnetic signals in a n-dimensional space-time) are presented in the two-dimensional case.
Ferrando, Joan Josep
core +3 more sources
Improving groundwater storage change estimates using time-lapse gravimetry with Gravi4GW
Environmental Modelling & Software, 2021 Time-lapse gravimetry is a powerful tool for monitoring temporal mass distribution variations, including seasonal and long-term groundwater storage changes (GWSC).
L. J. Halloran
semanticscholar +1 more source
Journal of Geodetic Science, 2015 The present study aims at the validation of global gravity field models through numerical investigation in gravity field functionals based on spherical harmonic synthesis of the geopotential models and the analysis of terrestrial data. We examine gravity
Papanikolaou T. D., Papadopoulos N.
doaj +1 more source
Correlation of Lipopolysaccharide Endotoxin Level in Cotton Dust with the Increase of TNFα Level and the Decline of Lung Function in Cotton Spinning Factory Workers [PDF]
, 2014 Lipopolysaccharide (LPS) endotoxin contained in cotton dust may cause airway inflammation and decline of lung function when inhaled, which eventually leads to respiratory symptoms.
Indahwati, L. (Leli) +2 more
core +2 more sources
THE SUCCESS OF SATELLITE GRAVIMETRY IN GEOPHYSICAL INVESTIGATIONS [PDF]
Geological BehaviorTerrestrial measurements of gravity data are limited to only accessible areas. Areas that are not easily accessible due to lack of access route, security, cost etc. are found unfavorable for terrestrial measurements.
Ahmad Alhassan +6 more
doaj +1 more source
Hidden pressurized fluids prior to the 2014 phreatic eruption at Mt Ontake
Nature Communications, 2022 Phreatic volcanic eruptions can be unexpected and devastating. Here the authors, using seismic-based methodologies, find that pressurized fluids accumulated 5 months before the deadly phreatic eruption at Mt Ontake; a period previously considered as ...
Corentin Caudron +7 more
doaj +1 more source
Discussion of the Non-Destructive Testing Possibilities for the Study of the Great Pyramid of Giza
Heritage, 2023 Many constructions built by ancient civilization hold many mysteries and attract the attention of historians, archaeologists and tourists from all over the world.
Sergey Ivashov +2 more
doaj +1 more source
Precise levelling data processing near terraced landforms
Geodesy and Cartography, 2014 Precise levelling results are affected by the Earth’s gravity field, especially in areas of abrupt changes of landscape, such as terraced landforms. To eliminate the effect of the gravity field gradient, corrections need to be used in precise levelling ...
Silja Talvik
doaj +1 more source
Cartographic scripting for geophysical mapping of Malawi Rift Zone [PDF]
Tehnika, 2022 This paper describes a scripting cartographic techniques that automatically generate maps from open source spatial data using syntax of General Mapping Tools (GMT) and R. A case study present mapping East Africa with a focus on Malawi. In this study, two
Lemenkova Polina
doaj +1 more source