Results 191 to 200 of about 85,661 (305)

Test Procedures for the Evaluation of the Performance and Stability of Direct Ammonia Fuel Cells

Energy Technology, Volume 14, Issue 7, July 2026.
A comprehensive electrochemical test protocol for direct ammonia fuel cells (DAFCs) is introduced, combining static, dynamic, and open‐circuit load regimes with three‐electrode operation to deconvolute anode and cathode contributions. Voltage decay is shown to be dominated by reversible anode deactivation driven by fuel depletion, with full performance
Mehmet Turan Görüryilmaz, Erno Kemppainen, Iris Dorbandt, Karuppsamy Dharmaraj, Thorsten Schultz, Sam Davis, Zhaoxia Zhou, Norbert Koch, Michelle P. Browne, Rutger Schlatmann, Sonya Calnan   +10 more
wiley   +1 more source

Evaluation of Online Large Language Models as Decision Support for the Management of Abdominal Pain in the Emergency Department: A Pilot Study. [PDF]

Dtsch Arztebl Int
Henn J, Feodorovici P, Dohmen J, Kalff JC, Gräff I, Matthaei H.   +5 more
europepmc   +1 more source

Optimizing rapeseed protein purification: a continuous chromatographic approach for napin and cruciferin

Journal of Chemical Technology &Biotechnology, Volume 101, Issue 7, Page 1370-1383, July 2026.
Abstract BACKGROUND Napin and cruciferin, the predominant storage proteins in Brassica napus (rapeseed), exhibit favorable techno‐functional properties such as emulsification and gel formation, positioning them as promising candidates for the encapsulation and delivery of bioactive compounds. Their classification as GRAS (Generally Recognized As Safe),
Jonas Arnecke, Jessica Gillmann, Tim Börner, Mathias Hafner, Christian Frech   +4 more
wiley   +1 more source

Ultrasound-assisted size tuning of polyacrylic acid coated magnetic nanoparticle clusters for biomedical applications. [PDF]

Ultrason Sonochem
Heinen L, Blersch PR, Schnell C, Meyer K, Nagy R, Halik M, Janko C, Lyer S, Alexiou C, Tietze R.   +9 more
europepmc   +1 more source

Method Based on Continuous Artificial Dry and Humid UV Treatments to Reduce the Luminescence Background in the Raman Spectra of Plastics

Journal of Raman Spectroscopy, Volume 57, Issue 7, Page 1296-1308, July 2026.
We propose an UV photobleaching pretreatment to reduce the strong luminescence in the Raman spectra of plastic samples. Our protocol proves its efficiency whatever the luminescence origin (from the pigments or from a surface biofilm) but requires a careful optimization of the illumination conditions (UV wavelength, time, humidity) to reach the ...
L. Dewyspelaere, L. Belec, I. Martin, V. Lenoble, A. Ruediger, A. Merlen   +5 more
wiley   +1 more source

Konferenzankündigung: Energie und Umwelt '2000

Technikfolgenabschätzung – Theorie und Praxis, 1999
TATuP Redaktion
doaj   +1 more source

Rational Engineering of Self-Supported Catalysts for High-Performance Electrochemical Oxygen Evolution and Ethylene Glycol Oxidation. [PDF]

Chem Mater
Bagchi D, Kenguva G, Ghosh S, Zhang Z, Katz S, Schmidt J, Zebger I, Sontheimer T, Menezes PW.   +8 more
europepmc   +1 more source

Defect Passivation via Plasma Modification of Lead Halide Perovskite Thin Films

Progress in Photovoltaics: Research and Applications, Volume 34, Issue 7, Page 813-820, July 2026.
We demonstrate that exposure of perovskite thin films to diffuse coplanar surface barrier discharge nitrogen plasma leads to an increase in photoluminescence, attributed to reduced defect densities. This results in implied open‐circuit voltage improvement of up to 80 mV and finalized solar cell open‐circuit gains up to 60 mV.
Ales Vlk, Robert Hlavac, Lucie Landova, Mykhailo Khytko, Swarnendu Banerjee, Julius Vida, Jiří Fujera, Mostafa Othman, Aïcha Hessler‐Wyser, Christophe Ballif, Christian Wolff, Tomas Homola, Martin Ledinsky   +12 more
wiley   +1 more source

Conserving energy [PDF]

Nature, 1977
openaire   +2 more sources

Bionisch inspirierte Strahlungskühlung: Kühlen wie die Silberameise

Physik in unserer Zeit, Volume 57, Issue 4, Page 162-167, July 2026.
Wie kann ein wenige Millimeter großes Insekt helfen, Gebäude ohne Strom zu kühlen? Die Silberameise überlebt extreme Hitze mithilfe raffinierter Mikrostrukturen, die einen Großteil des Sonnenlichts zurückwerfen und gleichzeitig thermische Energie über Infrarotstrahlung in den Weltraum abführen.
Ille C. Gebeshuber, Markus Zimmerl
wiley   +1 more source