Results 71 to 80 of about 10,701,163 (203)

The [Fe xiii] Infrared 10747 and 10798 Å Lines in Novae

open access: yesThe Astrophysical Journal
The forbidden lines of [Fe xiii ] at 10747 and 10798 Å are among the most prominent lines in the near-infrared spectrum of the solar corona. They have been used routinely, both outside and during eclipses, as sensitive probes of the electron density and ...
D. P. K. Banerjee   +5 more
doaj   +1 more source

Xenoliths in meteorites: Insights into the dynamics of material exchange between asteroids

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract A minor fraction of meteorites contains xenoliths, that is, clasts that were formed on a different parent body than that of the host lithology. The occurrence of xenoliths is direct evidence for the exchange of material between asteroids, including exchanges between asteroids from the carbonaceous (CC) and non‐carbonaceous (NC) reservoirs ...
J. Gattacceca   +17 more
wiley   +1 more source

The possible role of vortex shedding in the excitation of kink-mode oscillations in the solar corona [PDF]

open access: yes, 2009
We propose a model for the excitation of horizontally polarised transverse (kink) magnetoacoustic oscillations of solar coronal loops by upflows associated with coronal mass ejections.
V. M. Nakariakov   +5 more
core   +1 more source

Fine-scale downflows above flare ribbons captured by Solar Orbiter/EUI

open access: yesAstronomy & Astrophysics
In solar flares, flare ribbons map chromospheric footpoints where flare energy deposition occurs. These locations are associated with field-aligned energy transport from the corona that results from energy liberated during magnetic reconnection.
Sun Zheng   +10 more
doaj   +1 more source

Waves and Magnetism in the Solar Atmosphere (WAMIS)

open access: yesFrontiers in Astronomy and Space Sciences, 2016
Comprehensive measurements of magnetic fields in the solar corona have a long history as an important scientific goal. Besides being crucial to understanding coronal structures and the Sun’s generation of space weather, direct measurements of their ...
Yuan-Kuen eKo   +17 more
doaj   +1 more source

Understanding the Evidence Gaps: Diets and Fruit and Vegetable Intake Across Five Diverse Low‐ and Middle‐Income Countries

open access: yesMaternal &Child Nutrition, EarlyView.
This perspective article synthesizes findings from scoping reviews examining diet and F&V intake, and interventions to increase F&V consumption among population groups in five countries: Benin, Fiji, the Philippines, Sri Lanka and Tanzania. ABSTRACT Poor dietary quality, particularly inadequate fruit and vegetable (F&V) intake, remains a significant ...
Manisha Tharaney   +16 more
wiley   +1 more source

Reduced cardiovascular mortality at moderate altitude: a putative role of physical activity and body mass

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Benefits of performing physical exercise at moderate altitude. At moderate altitude, increased resting metabolic rate and physical exertion promote physical fitness and exercise tolerance, whereas hypoxia suppresses appetite and elicits adaptations that increase tissue O2 delivery while augmenting O2‐independent ATP production ...
Robert T. Mallet   +6 more
wiley   +1 more source

Fast magnetoacoustic waves in a randomly structured solar corona [PDF]

open access: yes, 2001
The propagation of fast magnetoacoustic waves in a randomly structured solar corona is considered in the linear and cold plasma limits. The random field is assumed to be static and associated with plasma density inhomogeneities only.
V. M. Nakariakov   +5 more
core   +1 more source

A Drag-force Analysis of Solar Wind White-light Tracers in the Inner Heliosphere

open access: yesThe Astrophysical Journal
We studied the propagation of blobs, which are a subset of density mesoscale structures observed in the solar corona. The detection of blobs in white-light data was performed during Solar Cycle 23.
Cynthia López-Portela   +2 more
doaj   +1 more source

Surface Ligand Engineering in Quantum Dot Photocatalysis: Mechanisms, Design Principles, and Applications

open access: yesAdvanced Chemical Engineering, Volume 1, Issue 2, December 2026.
Surface ligands govern quantum dot photocatalysis through thermodynamic band‐edge tuning, kinetic charge‐transfer regulation, and microenvironmental control. Rational ligand engineering, using short‐chain, inorganic, conjugated, or dual‐ligand systems, enables efficient solar fuel production, selective organic transformations, environmental remediation,
Yali Weng   +5 more
wiley   +1 more source

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