Results 11 to 20 of about 640,995 (314)

Erosion of gadolinia doped EB-PVD TBCs [PDF]

open access: yes, 2006
Gadolinia additions have been shown to significantly reduce the thermal conductivity of EB-PVD TBCs. The aim of this paper is to further the understanding on the effects of dopants on the erosion resistance of EB-PVD TBCs by studying the effects of 2 ...
Nicholls, J. R.   +2 more
core   +1 more source

Vertical mineralization interval and forecast of the position of an ore-body in the Alšar Sb-As-Tl deposit, FYR Macedonia [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2011
Establishing a vertical interval of mineralization is a complex geological task based on the knowledge of many parameters and quantities that describe the genesis of an ore deposit.
Jelenković Rade, Boev Blažo
doaj   +1 more source

Experimental Investigation of the Effects of Flood Hydrograph Intensity on Bed Erosion under Real Unsteady Flow [PDF]

open access: yesپژوهش‌های زیرساخت‌های عمرانی, 2023
Natural rivers experience significant sediment transport rates during floods.The purpose of this study was to investigate the effects of flood hydrograph intensity parameter on the amount of bed sediment transport rate.
Bahman Aghazadeh gharebagh   +2 more
doaj   +1 more source

Effect of microstructure and temperature on the erosion rates and mechanisms of modified EB PVD TBCs [PDF]

open access: yes, 2009
Thermal barrier coatings (TBCs) have now been used in gas turbine engines for a number of decades and are now considered to be an accepted technology. As there is a constant drive to increase the turbine entry temperature, in order to increase engine ...
Murphy, K. S.   +2 more
core   +1 more source

Rates of erosion and landscape change along the Blue Ridge escarpment, southern Appalachian Mountains, estimated from in situ cosmogenic 10Be [PDF]

open access: yes, 2016
The Blue Ridge escarpment, located within the southern Appalachian Mountains of Virginia and North Carolina, forms a distinct, steep boundary between the lower-elevation Piedmont and higher-elevation Blue Ridge physiographic provinces.
Bierman, Paul R.   +5 more
core   +2 more sources

The significance of velocity exponents in identifying erosion-corrosion mechanisms [PDF]

open access: yes, 1993
The modes of erosion-corrosion are diverse and may vary from being ''erosion-dominated'', where erosion of metal is the dominant process, to ''corrosion-dominated'', where erosion of oxide scale is the dominant process.
Stack, Margaret, Stott, F.H., Wood, G.C.
core   +3 more sources

Effect of Nanosilica on Bending Strength and Thermal Stability of Glass Fiber/Phenolic Nanocomposite [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2016
Glass fiber/phenolic composites are effectively used as heat shields for fabrication of cooled combustion chambers. To improve the performance of these composites as well as to lower their costs, the use of nanosized silicon dioxide (SiO2) particles has ...
Aidin Mirzapour   +2 more
doaj   +1 more source

Geomorphological Mapping and Erosion of Abandoned Tailings in the Hiendelaencina Mining District (Spain) from Aerial Imagery and LiDAR Data

open access: yesRemote Sensing, 2022
The Hiendelaencina district in Spain was the most important silver producer in Europe during 1844–1925. At the end of the 20th century, with mines having closed, some waste rock dumps were reprocessed, and the sludge from the flotation process was stored
Silvia Martín-Velázquez   +5 more
doaj   +1 more source

Erosion-induced CO2 flux of small watersheds [PDF]

open access: yes, 2012
Soil erosion not only results in severe ecological damage, but also interferes with soil organic carbon formation and decomposition, influencing the global green-house effect. However, there is controversy as to whether a typical small watershed presumed
Borthwick, Alistair G. L.   +5 more
core   +1 more source

Rock Abundance and Erosion Rate at the Zhurong Landing Site in Southern Utopia Planitia on Mars

open access: yesEarth and Space Science, 2022
Rocks on the Martian surface exhibit signatures of geological activities. Rock distribution is also an important factor for landing site selection for exploration missions.
Zeyu Chen   +7 more
doaj   +1 more source

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