Results 131 to 140 of about 33,047 (316)

Assessment of Dry Cathode Configuration in Anion Exchange Membrane Water Electrolysis: A Mini Review

open access: yesElectrochemical Science Advances, EarlyView.
ABSTRACT Anion exchange membrane (AEM) electrolysis is one of the most promising water electrolysis technologies, combining the advantages of proton exchange membrane (PEM) electrolysis, such as high gas purity, high current densities and dynamic operation, while using cheap transition metal electrocatalysts known from alkaline water electrolysis (AWE).
Kiran Kiran   +5 more
wiley   +1 more source

Advanced Current Collector Design for High Energy Density Anode‐Free Sodium‐Ion Batteries

open access: yesElectron, EarlyView.
The electrochemical performance of AFSIBs depends heavily on the current collector. This review highlights key advances in current collector design for AFSIBs, focusing on surface modification and structural engineering to enhance sodium affinity, ion transport, and interfacial stability. Future research directions are outlined to guide the development
Zhenzhu Wang   +9 more
wiley   +1 more source

Experimental Characterization of a Full‐Scale Stair System Detailed to Achieve Seismic Resiliency

open access: yesEarthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT Stair systems are the primary means of egress in and out of a building during and after an earthquake. Therefore, it is essential to detail these critical nonstructural systems such that they remain operable during and after an earthquake of moderate to high levels of intensity.
Shokrullah Sorosh   +6 more
wiley   +1 more source

Broad Band Coaxial Directional Couplers for High Power Applications [PDF]

open access: yes, 2003
Ferrero, Andrea Pierenrico   +5 more
core   +2 more sources

Space station gas compressor technology study program, phase 1 [PDF]

open access: yes
The objectives were to identify the space station waste gases and their characteristics, and to investigate compressor and dryer types, as well as transport and storage requirements with tradeoffs leading to a preliminary system ...
Hafele, B. W., Rapozo, R. R.
core   +1 more source

Extracellular Vesicle‐Based mRNA Therapeutics and Vaccines

open access: yesExploration, EarlyView.
This review provides a comprehensive analysis of recent advancements in extracellular vesicle (EV)‐based messenger RNA (mRNA) applications for therapeutics and vaccines. It systematically outlines strategies for mRNA encapsulation within EVs and elucidates the challenges associated with this technology, offering insights into future research directions
Qi Li   +6 more
wiley   +1 more source

Highly Sensitive Optic Fabry-Perot Ultrasonic Sensor for Power Transformer Partial Discharge Detection

open access: yesIEEE Access
Optical sensing has been widely applied in the condition monitoring of power equipment due to its advantages, such as high insulation, anti-interference capability, and high sensitivity.
Jinggang Yang   +7 more
doaj   +1 more source

Preliminary thermal design of the COLD-SAT spacecraft [PDF]

open access: yes
The COLD-SAT free-flying spacecraft was to perform experiments with LH2 in the cryogenic fluid management technologies of storage, supply and transfer in reduced gravity.
Arif, Hugh
core   +1 more source

Coal-rock interface detector [PDF]

open access: yes, 1979
A coal-rock interface detector is presented which employs a radioactive source and radiation sensor. The source and sensor are separately and independently suspended and positioned against a mine surface of hydraulic pistons, which are biased from an air
Crouch, C. E., Jones, E. W., Rose, S. D.
core   +1 more source

Lattice and spin excitations in multiferroic h-YMnO3

open access: yes, 2014
We used Raman and terahertz spectroscopies to investigate lattice and magnetic excitations and their cross-coupling in the hexagonal YMnO3 multiferroic. Two phonon modes are strongly affected by the magnetic order. Magnon excitations have been identified
Brubach, J. B.   +13 more
core   +3 more sources

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