Results 61 to 70 of about 77,372 (282)

A black shale protolith for gold-tellurium mineralisation in the Dalradian Supergroup (Neoproterozoic) of Britain and Ireland [PDF]

open access: yes, 2017
The Dalradian Supergroup of Britain and Ireland is mineralised by gold-tellurium vein deposits. The host succession includes carbonaceous, pyritic shales (pelites) which were a source of trace elements, including gold and tellurium.
Armstrong, J.   +5 more
core   +1 more source

Dynamic allometry in coastal overwash morphology [PDF]

open access: yes, 2020
Allometry refers to a physical principle in which geometric (and/or metabolic) characteristics of an object or organism are correlated to its size. Allometric scaling relationships typically manifest as power laws.
Davenport, Kirstin L.   +2 more
core   +1 more source

Observations and Cloud‐Resolving Modeling of Haboob Dust Storms Over the Arabian Peninsula [PDF]

open access: yesJournal of Geophysical Research: Atmospheres, 2018
AbstractStrong mesoscale haboob dust storms in April 2007 in the central Arabian Peninsula were studied using the cloud‐resolving Weather Research and Forecasting‐Chemistry (WRF‐Chem) modeling system and observations collected during an intensive atmospheric field campaign.
Anatolii Anisimov   +4 more
openaire   +2 more sources

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

open access: yesAdvanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

Cloud-resolving chemistry simulation of a Hector thunderstorm [PDF]

open access: yesAtmospheric Chemistry and Physics, 2013
Cloud chemistry simulations were performed for a Hector thunderstorm observed on 16 November 2005 during the SCOUT-O3/ACTIVE campaigns based in Darwin, Australia, with the primary objective of estimating the average NO production per lightning flash in ...
K. A. Cummings   +8 more
doaj   +1 more source

Multiplicity of Galactic Cepheids from long-baseline interferometry. II. The Companion of AX Circini revealed with VLTI/PIONIER

open access: yes, 2013
Aims: We aim at detecting and characterizing the main-sequence companion of the Cepheid AX Cir ($P_\mathrm{orb} \sim $ 18 yrs). The long-term objective is to estimate the mass of both components and the distance to the system.
Bouquin, J. -B. Le   +8 more
core   +3 more sources

Fatigue Crack Initiation and Growth in Nanocrystalline Ni at Multiple Length‐Scales

open access: yesAdvanced Engineering Materials, EarlyView.
Overview of miniaturized in situ SEM fatigue setup and resultant fatigue crack growth data for nanocrystalline Ni. The presented study focuses on the analysis of fatigue crack growth rate (FCGR) in focused ion beam‐notched microcantilevers prepared from nanocrystalline (NC) Ni as a model material.
Igor Moravcik   +7 more
wiley   +1 more source

Amplified European Future Warming Under Mesoscale‐Resolving Sea Surface Temperature Forcing

open access: yesGeophysical Research Letters
Mesoscale SST features influence the atmospheric circulation via strong air–sea interactions. Yet, their contribution to regional climate change remains uncertain. Using a ∼16‐km global atmospheric model forced with mesoscale‐resolving and ‐smoothed SSTs,
Eduardo Moreno‐Chamarro, Pablo Ortega
doaj   +1 more source

Ohio's Drainage Laws - An Overview [PDF]

open access: yes, 1991
PDF pages ...
Brown, Larry C., Stearns, Jodi L.
core  

Tailoring Functional Properties of Ti–Ni–Cu Shape Memory Alloy Thin Films for MEMS Actuators

open access: yesAdvanced Engineering Materials, EarlyView.
A comprehensive study of critical parameters required to develop well‐performing Ti–Ni–Cu thin film shape memory alloy microactuators is provided. Materials science and device integration aspects are integrated by addressing structural and physical relationships using complementary characterization techniques as well as a practical fabrication solution
Elaheh Akbarnejad   +6 more
wiley   +1 more source

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