Results 51 to 60 of about 888,007 (201)

Transport properties of Ba3Ca1+xNb2−xO9−δ composite perovskite oxides

open access: yes工程科学学报, 2021
ABO3-type perovskite oxides and A3B′B′′2O9-type composite perovskite oxides exhibit proton conduction from 200 ℃ to 1000 ℃. These high-temperature proton conductors have received considerable attention due to their promise as electrolytes in fuel cells ...
Yu-shi DING, Ying LI
doaj   +1 more source

Enhanced performance of nanocomposite membrane developed on sulfonated poly (1, 4-phenylene ether-ether-sulfone) with zeolite imidazole frameworks for fuel cell application

open access: yesScientific Reports, 2023
Proton exchange membrane fuel cells (PEMFC) have received a lot of interest and use metal–organic frameworks (MOF)/polymer nanocomposite membranes. Zeolite imidazole framework-90 (ZIF-90) was employed as an addition in the sulfonated poly (1, 4-phenylene
Bita Soleimani   +3 more
doaj   +1 more source

Proton beam radiotherapy in the management of uveal melanoma: clinical experience in Scotland [PDF]

open access: yes, 2008
<p>Aim: To evaluate proton-beam radiotherapy (PBRT) in the management of uveal melanoma in Scotland.</p> <p>Methods: A retrospective review was undertaken on all patients receiving PBRT for uveal melanoma (1994–2005).
McConnachie, A.   +9 more
core   +1 more source

Proton-Blocking Anion-Exchange Membranes for Efficient Lithium Hydroxide Recovery by Bipolar Membrane Electrodialysis

open access: yesMembranes
In bipolar membrane electrodialysis (BPED), proton transport through the anion-exchange membrane (AEM) is a major factor that reduces overall process efficiency.
Ji-Hyeon Lee, Moon-Sung Kang
doaj   +1 more source

Polyvinylimidazole-wrapped Halloysite Nanotubes for High Proton Conductivity in Polymer Electrolyte Membranes

open access: yesInternational Journal of Electrochemical Science, 2020
The construction of continuous proton transfer channels within a proton exchange membrane is an important and challenging task for the logical design of proton exchange membranes. Herein, inspired by the mechanism of moisture transport used by plants and
Xiaoyang Liu   +7 more
doaj   +1 more source

A high conductivity Cs2.5H0.5PMo12O40/polybenzimidazole (PBI)/H3PO4 composite membrane for proton-exchange membrane fuel cells operating at high temperature

open access: yes, 2008
A high conductivity composite proton-exchange membrane Cs2.5H0.5PMo12O40 (CSPOM)/polybenzimidazole (PBI) for use in hydrogen proton-exchange fuel cells has been prepared. The CsPOM composite membrane is insoluble in water.
邵志刚   +5 more
core   +1 more source

Upper-mesospheric temperatures measured during intense substorms in the declining phase of the January 2005 solar proton events [PDF]

open access: yes, 2008
Temperature measurements from the ALOMAR Weber Na lidar together with cosmic radio noise absorption measurements from IRIS and particle measurements from NOAA 15, 16 and 17 are used to study effects of geomagnetic activity on the polar winter upper ...
J. Stadsnes   +15 more
core   +2 more sources

Composite membranes for proton exchange membrane fuel cells based on methyl methacrylate-co-maleimide /phosphotungstic acid [PDF]

open access: yesشیمی کاربردی روز, 2018
Poly(methyl methacrylate-co-nitrophenyl maleimide) (MMA-co-NMI) and poly(methyl‌‌‌‌ methacrylate-co-hydroxyphenyl maleimide)‌‌‌‌‌ (MMA-co-HMI) copolymers were synthesized using free radical polymerization of MMA with a new MI monomer containing phenyl ...
zahra seidzadeh   +3 more
doaj   +1 more source

Proton-Conducting Poly-γ-glutamic Acid Nanofiber Embedded Sulfonated Poly(ether sulfone) for Proton Exchange Membranes

open access: yes, 2019
Development and fabrication of novel proton exchange membranes (PEMs) with excellent performance have a great significance to the commercial application of PEM fuel cell.
Hang Wang (137566)   +17 more
core   +1 more source

Thermal conductivity measurement of liquids in a microfluidic device [PDF]

open access: yes, 2010
A new microfluidic-based approach to measuring liquid thermal conductivity is developed to address the requirement in many practical applications for measurements using small (microlitre) sample size and integration into a compact device.
M. R. Bown   +36 more
core   +1 more source

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