Results 31 to 40 of about 225,747 (287)

Engineering of Complex Structure Apatite Deposits and Excavating-Sorting Equipment for Its Implementation

open access: yesЗаписки Горного института, 2019
Development of Oshurkovskoye apatite deposit with conventional methods, using drilling, blasting and then processing of extracted ore by means of flotation and construction of hydraulic structures to store wet tailings, turns out to be impossible, as the
A. Yu. Cheban
doaj   +1 more source

DISCHARGE OXIDE STORAGE CAPACITY AND VOLTAGE LOSS IN LI-AIR BATTERY [PDF]

open access: yes, 2015
Air cathodes, where oxygen reacts with Li ions and electrons with discharge oxide stored in their pore structure, are often considered as the most challenging component in nonaqueous Lithium-air batteries.
Li, T, Wang, Y, Wang, Z, Yuan, H
core   +1 more source

Bed-parallel slip: Identifying missing displacement in mass transport deposits [PDF]

open access: yesJournal of Structural Geology, 2020
Abstract Bed-parallel slip (BPS), where neighbouring beds slide past one another along bedding planes, is notoriously difficult to identify without reference to pre-existing features such as steep faults or dykes that act as markers to record BPS offset.
Alsop, G I   +3 more
openaire   +2 more sources

Giant slope scars and mass transport deposits across the Rhodes Basin, eastern Mediterranean: Depositional and tectonic processes [PDF]

open access: yesSedimentary Geology, 2021
Abstract High-resolution multichannel seismic reflection profiles and multibeam mosaic maps of the seafloor are used to document the presence of two prominent regions representing major sediment failure(s) and the subsequent gravity-driven mass transport across the southwestern continental margin of Anatolia.
Aksu, A. E., Hall, J., Yaltirak, C.
openaire   +2 more sources

Mathematical Modeling of Wax Deposition in Field-Scale Crude Oil Pipeline Systems

open access: yesJournal of Applied Mathematics, 2022
The formation of solid wax crystals, which interlock and form a gel-like layer on the inner wall of the crude oil pipeline, influences the transportation of waxy crude oil. The deposited layer grows continuously and hardens during the oil transportation,
Francis Oketch Ochieng   +3 more
doaj   +1 more source

Pleistocene Mass Transport Deposits Off Barbados Accretionary Prism (Lesser Antilles) [PDF]

open access: yes, 2016
Two Pleistocene mass transport deposits (MTDs), with volumes of thousands of km3, have been identified from multi-channel seismic data in the abyssal plain at the front of the Barbados accretionary prism. Estimated sediment volumes for these MTDs are likely underestimated due to limited seismic coverage.
Pichot, Thibaud   +3 more
openaire   +3 more sources

Spatiotemporal evolution, mineralogical composition, and transport mechanisms of long-runout landslides in Valles Marineris, Mars [PDF]

open access: yes, 2020
Long-runout landslides with transport distances of >50 km are ubiquitous in Valles Marineris (VM), yet the transport mechanisms remain poorly understood.
Ehlmann, Bethany L.   +2 more
core  

Regularities of hydromechanical amber extraction from sandy deposits [PDF]

open access: yes, 2019
Purpose is to analyze the efficiency of hydromechanical amber extraction from sandy deposits relying upon the determined regularities concerning the effect of parameters while carrying out a series of laboratory tests and full-scale experiments. Methods.
Khrystyuk, A   +5 more
core   +1 more source

Tephra deposit inversion by coupling Tephra2 with the Metropolis-Hastings algorithm: algorithm introduction and demonstration with synthetic datasets

open access: yesJournal of Applied Volcanology, 2021
In this work we couple the Metropolis-Hastings algorithm with the volcanic ash transport model Tephra2, and present the coupled algorithm as a new method to estimate the Eruption Source Parameters of volcanic eruptions based on mass per unit area or ...
Qingyuan Yang   +3 more
doaj   +1 more source

Energy transport by convection in the common envelope evolution

open access: yes, 2017
We argue that outward transport of energy by convection and photon diffusion in a common envelope evolution (CEE) of giant stars substantially reduces the fraction of the recombination energy of hydrogen and helium that is available for envelope removal.
Hillel, Shlomi   +3 more
core   +1 more source

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