Results 51 to 60 of about 61,846 (345)

High‐Entropy Perovskite Nanofibers for Bifunctional Air Electrodes in Reversible Protonic Ceramic Electrochemical Cells

open access: yesAdvanced Functional Materials, EarlyView.
High‐entropy perovskite nanofibers serve as robust and active bifunctional air electrodes in reversible protonic ceramic electrochemical cells. Their compositional complexity stabilizes the lattice, enriches oxygen vacancies, and accelerates surface exchange.
Hyeonggeun Kim   +4 more
wiley   +1 more source

Global Mapping of HCl on Mars by IRTF/iSHELL

open access: yesThe Planetary Science Journal
Hydrogen chloride (HCl)—a key marker of the chlorine cycle on Mars—has been recently discovered in the Martian atmosphere by the ExoMars/TGO mission. In-orbit data indicate that this molecule appears in the atmosphere only in a limited time period and ...
S. Aoki   +8 more
doaj   +1 more source

Analysis of isothermal and cooling-rate-dependent immersion freezing by a unifying stochastic ice nucleation model [PDF]

open access: yesAtmospheric Chemistry and Physics, 2016
Immersion freezing is an important ice nucleation pathway involved in the formation of cirrus and mixed-phase clouds. Laboratory immersion freezing experiments are necessary to determine the range in temperature, T, and relative humidity, RH, at which
P. A. Alpert, P. A. Alpert, D. A. Knopf
doaj   +1 more source

Atmospheres, Planetary [PDF]

open access: yes, 1996
All nine planets, four moons, and most comets have atmospheres. These gaseous envelopes are remarkably diverse, although they are made largely from the same six elements-hydrogen (H), helium (He), oxygen (O), carbon (C), nitrogen (N), and sulfur (S ...
Ingersoll, Andrew
core  

Multiple Twinning in Nacre and Aragonite

open access: yesAdvanced Functional Materials, EarlyView.
Electron backscatter diffraction map of a cluster of geologic aragonite, exhibiting single, double, and triple twins. The whole cluster is approximately 2 cm wide. Colors indicate crystal orientations, so that pixels where the a‐, b‐, and c‐axis is perpendicular to the image plane are green, red, and blue, respectively.
Connor A. Schmidt   +7 more
wiley   +1 more source

Planetary atmospheres

open access: yesEos, Transactions American Geophysical Union, 1971
The past three years have been marked by a rapid growth of interest in dynamical processes in planetary atmospheres, and the summary review that follows is concerned entirely with this topic. The accompanying bibliography, however, covers work done on a much wider selection of topics, including composition, pressure, and temperature measurements ...
openaire   +2 more sources

Study of the Effect of Martian Dust Storms on Ionospheric Electron Density Based on Physical-grid Deep Neural Learning Technology

open access: yesThe Astrophysical Journal, 2023
The behavior of the Martian ionosphere during global dust storms has always been a popular topic. Based on many Mars Atmosphere and Volatile Evolution observations, a Martian ionospheric electron density model is constructed herein using a physical-grid ...
ShengBin Zhong   +3 more
doaj   +1 more source

Recent high resolution laboratory determinations of line broadening and intensity parameters: PH3, CH3D, and CO2 [PDF]

open access: yes, 1990
Recent unpublished laboratory work on rovibrational line strengths and broadening coefficients which is of interest in the study of planetary atmospheres was reviewed.
Chackerian, C., Jr.   +3 more
core   +1 more source

‘Oxygen Bound to Magnesium’ as High Voltage Redox Center Causes Sloping of the Potential Profile in Mg‐Doped Layered Oxides for Na‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Na‐ion batteries ‐ Impact of doping on the oxygen redox: The sloping potential of NaMg0.1Ni0.4Mn0.5O2 above 4.0 V is caused by a new redox center (arising from the ‘O bound to Mg’), having a higher potential but being more irreversible compared to the ‘O bound to Ni’.
Yongchun Li   +12 more
wiley   +1 more source

Scattering Blanketing Effect of Earth’s Proto-atmosphere: Enhanced Suppression of Planetary Radiation and Magma Ocean Cooling

open access: yesThe Astrophysical Journal
The thermal evolution of magma oceans formed by giant impacts is strongly influenced by a proto-atmosphere through its blanketing effect, which suppresses outgoing planetary radiation.
Tatsuya Yoshida   +4 more
doaj   +1 more source

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