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Stellar evolution and the triple-α reactions [PDF]

open access: yesAIP Conference Proceedings, 2014
Nuclear reaction rates play a crucial role in the evolution of stars. For low-mass stars, the triple-α reaction controls the helium burning stars in the red giant and asymptotic giant branch (AGB) phase. More importantly, the cross section of the triple-α reaction has a great impact on the helium ignition at the center of the electron degenerate helium
openaire   +1 more source

SECULAR EVOLUTION OF THE PULSAR TRIPLE SYSTEM J0337+1715 [PDF]

open access: yesThe Astrophysical Journal, 2014
8 pages, 4 figures, 1 table; accepted to ...
Jing Luan, Peter Goldreich
openaire   +3 more sources

A Triple Scenario for the Formation of Wide Black Hole Binaries Such as Gaia BH1

open access: yesThe Astrophysical Journal
Recently, several noninteracting black hole–stellar binaries have been identified in Gaia data—for example, Gaia BH1, where a Sun-like star is in a moderately eccentric ( e = 0.44) 185 days orbit around a black hole.
A. Generozov, H. B. Perets
doaj   +1 more source

Photoelectrochemical Gas–Electrolyte–Solid Phase Boundary for Hydrogen Production From Water Vapor

open access: yesFrontiers in Chemistry, 2018
Hydrogen production from humidity in the ambient air reduces the maintenance costs for sustainable solar-driven water splitting. We report a gas-diffusion porous photoelectrode consisting of tungsten trioxide (WO3) nanoparticles coated with a proton ...
Fumiaki Amano   +5 more
doaj   +1 more source

Isolated ten-eleven translocation 2 positive in triple negative essential thrombocythemia: Case report and literature review

open access: yesSAGE Open Medical Case Reports, 2021
Essential thrombocythemia is one of the famous diseases under the category of myeloproliferative disorder. It is an end result of a genetic mutation of one or more of the most frequent oncogenes such as Janos kinase 2 (JAK2), MPL proto-oncogene ...
Rehab Y AL-Ansari   +3 more
doaj   +1 more source

Early human occupation of Australia’s eastern seaboard

open access: yesScientific Reports
Secure archaeological evidence for human occupation on the eastern seaboard of Australia before ~ 25,000 years ago has proven elusive. This has prompted some researchers to argue that the coastal margins remained uninhabited prior to 25 ka.
Shaun Adams   +19 more
doaj   +1 more source

The tectonic and volcanic evolution of the Mangatolu Triple Junction [PDF]

open access: yes, 2020
<p>The Mangatolu Triple Junction (MTJ) is an intraoceanic back-arc spreading center that is host to at least 3 distinct hydrothermal systems. It is located in the NE Lau Basin, which opened due to rollback of the Pacific plate along the Tonga-Kermadec trench.
Rebecca Mensing   +4 more
openaire   +3 more sources

Anchoring zero valence single atoms of nickel and iron on graphdiyne for hydrogen evolution

open access: yesNature Communications, 2018
Single atom catalysts provide the most efficient metal atoms usage and afford active site homogeneity, but surface attachment has proven challenging. Here, the authors use triple-bond-rich graphdiyne to anchor nickel/iron atoms and show high hydrogen ...
Yurui Xue   +8 more
doaj   +1 more source

A Possible Formation Scenario of the Gaia BH1: Inner Binary Merger in Triple Systems

open access: yesThe Astrophysical Journal Letters
Based on astrometric measurements and spectral analysis from Gaia DR3, two quiescent black hole (BH) binaries, Gaia BH1 and BH2, have been identified. Their origins remain controversial, particularly for Gaia BH1.
Zhuowen Li   +7 more
doaj   +1 more source

Dynamics and evolution of the Azores Triple Junction and its relation to pre-existing major tectonic structures

open access: yesCommunications Earth & Environment
Triple junctions, where three tectonic plates meet, play a critical role in geodynamics. The Azores Triple Junction is critical in the study of triple junctions, challenging traditional models of triple junction stability.
Fernando O. Marques   +3 more
doaj   +1 more source

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