Results 91 to 100 of about 4,779,205 (412)

Optical Hydrogen Sensing Materials for Applications at Sub‐Zero Temperatures

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrates the viability of optical hydrogen sensors at temperatures as low as −60°C. Using advanced metal hydride materials, the sensors detect hydrogen with high sensitivity, speed, and stability across a wide range of concentrations. These findings open doors for safe hydrogen detection in extreme cold, enabling applications in aviation,
Ziqing Yuan   +4 more
wiley   +1 more source

Noise Reduction, Atmospheric Pressure Admittance Estimation and Long-Period Component Extraction in Time-Varying Gravity Signals Using Ensemble Empirical Mode Decomposition

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2015
Time-varying gravity signals, with their nonlinear, non-stationary and multi-scale characteristics, record the physical responses of various geodynamic processes and consist of a blend of signals with various periods and amplitudes, corresponding to ...
Linsong Wang   +3 more
doaj   +1 more source

Oceanic Games: Centralization Risks and Incentives in Blockchain Mining

open access: yes, 2021
To participate in the distributed consensus of permissionless blockchains, prospective nodes -- or miners -- provide proof of designated, costly resources.
Leonardos, Nikos   +2 more
core   +1 more source

Super‐Tough Silk: The Potential of Knots in Evolved Spiders

open access: yesAdvanced Functional Materials, Volume 35, Issue 15, April 10, 2025.
The toughness of spider silk can be further significantly enhanced if spiders evolved the –currently absent/undiscovered– ability to tie knots in their silk. The results on 393 spiders suggest toughness increments by one or two orders of magnitude and thus a new perspective on how knotting can serve as a key innovation in spider evolution and in ...
Nicola M. Pugno
wiley   +1 more source

Near‐Field Phonon Nanoscopy and Imaging of Structural Variants in Mixed Phase BiFeO3

open access: yesAdvanced Functional Materials, EarlyView.
Nano‐Fourier transform infrared spectroscopy and scattering scanning near‐field optical microscopy imaging reveal the phonon response of nanoscale phase variants in mixed‐phase BiFeO3 (BFO). Direct mid‐infrared imaging of associated distinct vibrational signatures is used as a non‐invasive optical detection method for electrical switching of ...
Dawei Zhang   +8 more
wiley   +1 more source

Evaluation of Deep Neural Operator Models toward Ocean Forecasting [PDF]

open access: yesarXiv, 2023
Data-driven, deep-learning modeling frameworks have been recently developed for forecasting time series data. Such machine learning models may be useful in multiple domains including the atmospheric and oceanic ones, and in general, the larger fluids community. The present work investigates the possible effectiveness of such deep neural operator models
arxiv  

Laboratory investigation of radiative transfer in cloud fields, A [PDF]

open access: yes, 1978
April 1978.Includes bibliographical references (page 46).Sponsored by the Global Atmospheric Research Program, National Science Foundation, and the GATE Project Office, National Oceanic and Atmospheric Administration ATM-77-15369.Sponsored by the Global ...
Cox, Stephen K.   +2 more
core  

Open ocean carbon monoxide photo-production [PDF]

open access: yes, 2006
Sunlight-initiated photolysis of chromophoric dissolved organic matter (CDOM) is the dominant source of carbon monoxide (CO) in the open-ocean. A modelling study was conducted to constrain this source.
Law, Cliff S.   +5 more
core   +2 more sources

The UN Decade of Ocean Science for Sustainable Development - Opportunities for Ocean Science and Society

open access: yes, 2023
In recognition of the Ocean’s importance “to an equitable and sustainable planet”, the United Nations have pronounced 2021-2030 as the Decade of Ocean Science for Sustainable Development. What will “the Ocean we need for the future we want” look like? And how can we transform human behavior to become more sustainable?
openaire   +2 more sources

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