Results 181 to 190 of about 309,670 (287)

Nanosecond-level time-domain coding metasurface for radar signal generation. [PDF]

open access: yesNat Commun
Qian B   +6 more
europepmc   +1 more source

Embedding a Dinuclear Ru─Pt Photocatalyst Into Polyampholytic Graft Copolymer Matrix Enables Prolonged Hydrogen Evolution While Allowing Catalyst Repair

open access: yesChemistry – A European Journal, EarlyView.
A unimolecular polyampholytic graft copolymer matrix provides a protective confinement for an electrostatically embedded tetrapyridophenazine‐bridged heterodinuclear Ru‐Pt hydrogen evolving photocatalyst. The matrix slows the degradation kinetics of the catalyst and at the same time does not hinder its repair by ammonium persulfate.
Yurii Utievskyi   +10 more
wiley   +1 more source

Machine learning-optimized compact wearable frequency reconfigurable antenna for sub-6 GHz/mm-wave 5G integration. [PDF]

open access: yesSci Rep
Salisu A   +8 more
europepmc   +1 more source

Assembly and Maintenance of Myofibrils in the Heart

open access: yesCytoskeleton, EarlyView.
ABSTRACT The assembly of actin and myosin to the paracrystalline arrangement of myofibrils in striated muscle, that is, heart and skeletal, has puzzled many a cell biologist. Different models, based on cultured cardiomyocytes, were proposed for the last 30 years to explain the sequence of events.
Elisabeth Ehler
wiley   +1 more source

New‐Generation Integrated Devices: Multiple‐Energy Utilization and Integration Systems Based on Perovskite Photovoltaics

open access: yesEcoEnergy, EarlyView.
This review highlights emerging integrated energy systems based on perovskite photovoltaics, including PSC–thermoelectric, photovoltaic–electrochemical, self‐charging, and building‐integrated architectures. By coupling multiple energy conversion and storage pathways, these multifunctional platforms enable enhanced solar utilization, improved stability,
Yihuai Huang   +10 more
wiley   +1 more source

Symmetry Breaking of FeN4 by Interlaminar Oxygen‐Bonded Vacancy Defect Toward Efficient Oxygen Reduction Reaction

open access: yesEcoEnergy, EarlyView.
The adjacent vacancy defect bonded with interlaminar oxygen breaks the symmetry of FeN4 active site, facilitating the *OH desorption and lowering the reaction overpotential, ultimately enhancing the intrinsic catalytic activity of the Fe center. ABSTRACT Developing highly efficient non‐noble iron‐nitrogen‐carbon (Fe‐N‐C) catalysts with FeN4 active ...
Liqun Liu   +6 more
wiley   +1 more source

A separated RC-IGBT with PIN and MPS diode

open access: yesIEICE Electronics Express, 2015
Chen, Weizhong, Wang, Wei, Qu, Xi
openaire   +3 more sources

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