Results 31 to 40 of about 2,340 (236)

A High‐Current‐Tolerant Multimetallic Phosphide Electrode for Alkaline Water Electrolysis Toward Industrial Conditions

open access: yesAdvanced Science, EarlyView.
A phosphide‐modified multimetallic HER electrode achieves industrial‐level performance with minimal noble‐metal content. It delivers 1.7 A cm−2 at 2.0 V in 6 M KOH at 70°C and operates stably for over 200 h at 500 mA cm−2. Phosphorus tuning of the electronic structure optimizes hydrogen adsorption, offering a durable, high‐rate pathway for alkaline ...
Yang Li   +5 more
wiley   +1 more source

An Intra-Mercurial Planet [PDF]

open access: yesNature, 1876
THE discussion as to the existence of a planet within the orbit of Mercury leads me to communicate an observation made many years ago, which I believe nothing but the existence of an unknown planet between us and the sun can explain. On Sunday, January 29, 1860, the sun rose in a fog in London, so that he could be steadily looked at as if through a ...
openaire   +4 more sources

How Does the Thermal Environment Affect the Exosphere/Surface Interface at Mercury?

open access: yesThe Planetary Science Journal, 2023
The fate of Mercury’s exospheric volatiles and, in a lesser way, of the refractory particles absorbed in the first few centimeters of the surface both depend highly on the temperature profile with depth and its diurnal variation. In this paper, we review
F. Leblanc   +12 more
doaj   +1 more source

An Intra-Mercurial Planet [PDF]

open access: yesNature, 1878
WITH reference to the important announcement, by telegram, of the discovery by Mr. Watson of an intra Mercurial planet during the late eclipse of the sun, it may he worth remarking that the position of θ Cancri agrees very well with that given in the telegram published in NATURE, and that there may be a possibility that the object observed is in ...
openaire   +1 more source

Controllable Carbon Shell Encapsulation via Rapid Joule Heating Calcination for High‐Performance Asymmetric Supercapacitor With Suppressed Self‐Discharge and Robust Cycling Stability

open access: yesAdvanced Science, EarlyView.
The H‐Fe3O4@C negative electrode and H‐NiCo2S4@C positive electrode are designed through a controllable carbon shell encapsulation strategy. The as‐constructed asymmetric supercapacitor presents robust cycling stability with 93.7% capacity retention after 25 000 cycles.
Qiang Zhou   +8 more
wiley   +1 more source

Mercury’s Chaotic Secular Evolution as a Subdiffusive Process

open access: yesThe Astrophysical Journal
Mercury’s orbit can destabilize, generally resulting in a collision with either Venus or the Sun. Chaotic evolution can cause g _1 to decrease to the approximately constant value of g _5 and create a resonance.
Dorian S. Abbot   +4 more
doaj   +1 more source

Causal‐Guided Ultra‐Long‐Term Time Series Forecasting Via Anticipated Covariates

open access: yesAdvanced Science, EarlyView.
Often treated as unknown, information from the future remains underutilized.We demonstrate that in a coupled dynamical system, providing the future state of the effect enables accurate forecasting of the cause for a long timesteps. A time series forecasting paradigm that introduces anticipated covariates to represent such known future states is ...
Jintong Zhao   +4 more
wiley   +1 more source

Shape of the planet mercury [PDF]

open access: yesAstronomische Nachrichten, 1909
n ...
openaire   +1 more source

Vanadium Cation Exchange‐Driven Reconstruction of MOF‐Derived Cobalt Hydroxide Electrodes for Electrocatalysis and Energy Storage

open access: yesAdvanced Science, EarlyView.
A room‐temperature vanadium cation exchange strategy is developed to achieve simultaneous structural reconstruction and electronic/defect modulation of ZIF‐67 on nickel foam. The resulting mesoporous V20–Co(OH)2 electrode exhibits superior OER activity with low overpotentials and enhanced lattice oxygen participation.
Yongbeen Kim, Seungwoo Han, Wonyoung Lee
wiley   +1 more source

Photometric Properties within the Reiner Gamma Swirl: Constraining Formation Mechanisms

open access: yesThe Planetary Science Journal
The area in the Reiner Gamma swirl studied by Weirich et al. for topographic correlations also displays correlations with the Hapke-model-derived single-scattering albedo, surface roughness, and particle scattering properties with swirl unit.
Deborah Domingue   +7 more
doaj   +1 more source

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