Results 161 to 170 of about 1,117,135 (403)

Author Correction: Significant plastic accumulation on the Cocos (Keeling) Islands, Australia

open access: yesScientific Reports, 2023
J. L. Lavers   +3 more
doaj   +1 more source

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur   +5 more
wiley   +1 more source

A Different Perspective on the Solid Lubrication Performance of Black Phosphorous: Friend or Foe?

open access: yesAdvanced Engineering Materials, EarlyView.
Researchers investigate black phosphorous (BP) as a standalone solid lubricant coating through ball‐on‐disc linear‐reciprocating sliding experiments in dry conditions. Testing on different metals shows BP doesn't universally reduce friction and wear. However, it achieves 33% friction reduction on rougher iron surfaces and 23% wear reduction on aluminum.
Matteo Vezzelli   +5 more
wiley   +1 more source

Remnants of the city

open access: yesMateria Arquitectura, 2017
Contrary to what has historically happened with earthquakes that have repeatedly destroyed several cities in Chile, the 2010 earthquake was followed by an unprecedented and fruitful reflection that, from various disciplines, has tried to understand ...
Alejandro Crispiani   +1 more
doaj   +1 more source

A Concept For Elimination Of Small Orbital Debris [PDF]

open access: yesarXiv, 2011
A concept for forced reentry of small orbital debris with characteristic dimension ~ 10 cm from the highly populated sun synchronous orbit by injecting micron scale dust grains to artificially enhance drag is discussed. The drag enhancement is most effective when dust grains counter rotate with respect to the debris resulting in hypervelocity dust ...
arxiv  

Debris Flow Susceptibility Mapping Using Machine-Learning Techniques in Shigatse Area, China

open access: yesRemote Sensing, 2019
Debris flows have been always a serious problem in the mountain areas. Research on the assessment of debris flows susceptibility (DFS) is useful for preventing and mitigating debris flow risks.
Yonghong Zhang   +3 more
semanticscholar   +1 more source

Clearing debris [PDF]

open access: yesNature Chemical Biology, 2019
Delong Meng, Jenna L. Jewell
openaire   +2 more sources

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