Results 41 to 50 of about 4,718,082 (351)

Space as a new theater of warfare [PDF]

open access: yesAnte Portas
Objects located in Earth orbits play a huge role in the functioning of our current, terrestrial reality. Disruption or destruction of satellite communication, navigation, and monitoring systems can have catastrophic consequences for the country whose ...
Krzysztof Surdyk
doaj  

Heterostructured Sn:SnO2 Nanodots for High‐Performance Li–S Batteries with Kinetics‐Enhanced Cathode and Dendrite‐Free Anode

open access: yesAdvanced Functional Materials, EarlyView.
Heterostructured Sn:SnO2 nanodots decorated on reduced graphene oxide can simultaneously enhance conversion kinetics and inhibit dendrite growth, enabling stable lithium–sulfur batteries. Abstract The practical application of lithium–sulfur batteries is limited by polysulfide shuttling and sluggish reaction kinetics at the cathode, as well as ...
Viet Phuong Nguyen   +6 more
wiley   +1 more source

Edge‐Delocalized Electron Effect on Self‐Expediating Desolvation Kinetics for Low‐Temperature Li─S Batteries

open access: yesAdvanced Functional Materials, EarlyView.
The self‐transformed Schottky heterojunction on MXene is developed to facilitate the dissociation of Li (solvent)x+ to achieve fast Li+ desolvation to promote rapid sulfur conversion kinetics by decreasing the related barriers, contributing to high‐performance Li─S batteries under low‐temperatures.
Yongzheng Zhang   +12 more
wiley   +1 more source

Surface Wrinkling of Plasma‐Exposed PDMS is Caused by Water Vapor Sorption: An Optical Environmental Sensor

open access: yesAdvanced Functional Materials, EarlyView.
Wrinkling of soft materials, such as polydimethylsiloxane (PDMS), underpins a myriad of technologies. Plasma‐oxidation of PDMS induces spontaneous wrinkling, which is canonically attributed to thermal expansion‐contraction of bilayers. Employing experiments and modelling, it is demonstrated that sorption of water vapor is instead responsible for ...
Zain Ahmad   +8 more
wiley   +1 more source

NOISE AND VIBRATION OF SPACECRAFT STRUCTURES RUIDO Y VIBRACIÓN DE ESTRUCTURAS DE VEHÍCULOS ESPACIALES

open access: yesIngeniare: Revista Chilena de Ingeniería, 2006
The launch of space craft generates extreme conditions, such as vibrations and acoustics that can affect the launch pad, space craft, and their payloads.
Jorge P Arenas, Ravi N Margasahayam
doaj  

Single Portal Subscapular Repair by a Cross Shuttle Loop Technique

open access: yesArthroscopy Techniques, 2017
With the rise in subscapular tendon tears, most of them being partial that eventually end up in complete tears, we present our experience in the management of such tears using a cross shuttle loop technique.
Bancha Chernchujit, M.D.   +1 more
doaj   +1 more source

Cat‐Vibrissa‐Inspired Biomass Fiber Aerogels for Flexible and Highly Sensitive Sensors in Monitoring Human Sport

open access: yesAdvanced Functional Materials, EarlyView.
Inspired by cat vibrissae, biomimetic biomass PHFs/SA aerogels (BFAs) are developed via precursor‐assisted in situ polymerization and freeze‐synergistic assembly. These ultralight, porous pressure sensors exhibit high sensitivity and excellent durability, enabling pulse detection, handwriting recognition, Morse code transmission, and notably real‐time ...
Dandan Xie   +6 more
wiley   +1 more source

Dopamine metabolism by a monoamine oxidase mitochondrial shuttle activates the electron transport chain

open access: yesNature Neuroscience, 2019
Monoamine oxidase (MAO) metabolizes cytosolic dopamine (DA), thereby limiting auto-oxidation, but is also thought to generate cytosolic hydrogen peroxide (H2O2).
Steven M. Graves   +13 more
semanticscholar   +1 more source

Buckling‐Resistant and Trace‐Stacked (BRATS) Design Enables Aid‐Free Implantation of Flexible Multielectrode Array with Minimized Inflammatory Tissue Response

open access: yesAdvanced Functional Materials, EarlyView.
Buckling‐resistant and trace‐stacked (BRATS) intracortical microelectrode arrays (MEAs) eliminate the need for insertion aid and complex surgical setup, resulting in minimal inflammatory tissue response, compared to conventional flexible MEAs inserted with aid. Trace stacking effectively doubled the channel count without increasing the MEA shank width,
May Yoon Pwint, Delin Shi, X. Tracy Cui
wiley   +1 more source

Heterostructure‐Driven D‐Band of MoS2 Engineering Catalytic Polysulfide Conversion in Lithium–Sulfur Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Research on phase ratio‐dependent modulation of built‐in electric fields and d‐band centers in yolk–shell structured C@MoS2‐MoSe2 has determined that the C@3MoS2‐1MoSe2 configuration is optimal, which can achieve an optimal d‐band center position and enhance electrochemical performance.
Ruixian Duan   +11 more
wiley   +1 more source

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