Zobrazeno 1 - 10
of 17 867
pro vyhledávání: '"PEM"'
Autor:
Solmaz Shanian, Oumarou Savadogo
Publikováno v:
Discover Energy, Vol 4, Iss 1, Pp 1-29 (2024)
Abstract Hydrogen, a crucial clean and renewable energy source, addresses pressing challenges of energy security and environmental pollution. Water electrolysis for hydrogen production is a promising approach to satisfy the growing demand for sustain
Externí odkaz:
https://doaj.org/article/d5592ecb8e344731a44622d87f6b5302
Publikováno v:
International Journal of Transportation Science and Technology, Vol 15, Iss , Pp 65-80 (2024)
The assessment of runway smoothness or roughness is intimately tied to the vibrational response of aircraft during taxiing. In this study, employing the pseudo excitation method (PEM) based on random vibration analysis, we unearthed the relationship
Externí odkaz:
https://doaj.org/article/307ca4ea234c492ab4d1f45b1fcf3707
Autor:
Amedeo Di Caro, Gianpaolo Vitale
Publikováno v:
Clean Technologies, Vol 6, Iss 3, Pp 1203-1228 (2024)
This paper deals with proton exchange membrane (PEM) electrolyzers directly coupled with a photovoltaic source. It proposes a method to increase the energy delivered to the electrolyzer by reconfiguring the electrical connection of the arrays accordi
Externí odkaz:
https://doaj.org/article/939aa6dc0a524d5993404fe633be8dd8
Publikováno v:
Fuels, Vol 5, Iss 3, Pp 476-493 (2024)
Nowadays, the mobility sector is assessing different technologies to substitute the internal combustion engines in order to reduce its CO2 emissions; one of these possible alternatives is the Polymer Electrolyte Membrane (PEM) fuel cell. So, the deve
Externí odkaz:
https://doaj.org/article/799df21fd4874972b3c6b46e78aba399
Autor:
Moran, Niall, author
Publikováno v:
The Law & Politics of Brexit: Volume V : The Trade and Cooperation Agreement, 2024.
Externí odkaz:
https://doi.org/10.1093/oso/9780198908289.003.0005
Autor:
Abderrahmane Ibenyahia, MD, Said Adnor, MD, Soufiane Bigi, MD, Imane Bazi, MD, Adel Elmekkaoui, MD, Benlenda Othmane, MD, Nassik Hicham, MD, Soukaina Wakrim, MD
Publikováno v:
Radiology Case Reports, Vol 19, Iss 11, Pp 4992-4999 (2024)
Paraneoplastic encephalomyelitis (PEM) is a rare complication associated with malignancies, often presenting before the cancer diagnosis. A 42-year-old male with a history of chronic smoking presented with acute urinary retention and neurological def
Externí odkaz:
https://doaj.org/article/e781a0634e264354982351d30a474390
Publikováno v:
Nigerian Journal of Paediatrics, Vol 41, Iss 4, Pp 354-359 (2024)
Background: Proteinenergy malnutrition is a prevalent public health problem in the developing countries. It affects body systems including cell-mediated immunity. Objectives: To determine the effect of PEM on CD4+ Tlymphocyte counts among under - 5 c
Externí odkaz:
https://doaj.org/article/082f5acab7194fe686f76c951cf15937
Autor:
Koichi Mitsudo, Atsushi Osaki, Haruka Inoue, Eisuke Sato, Naoki Shida, Mahito Atobe, Seiji Suga
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 1560-1571 (2024)
An electrocatalytic hydrogenation of cyanoarenes, nitroarenes, quinolines, and pyridines using a proton-exchange membrane (PEM) reactor was developed. Cyanoarenes were then reduced to the corresponding benzylamines at room temperature in the presence
Externí odkaz:
https://doaj.org/article/4cd9417810cc431595e078ff2a690e6c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract In this study, polymer-coated anisotropic inorganic nanowires dispersed in PBI matrix were introduced to construct 1D proton conducting channels within PBI. Ionic-liquid and solvothermal methods were used for the synthesis of ZrO2 and W18O49
Externí odkaz:
https://doaj.org/article/c4d3680cc9c249a4a2940e6e2b0f77f1
Autor:
Assala Bouguerra, Abd Essalam Badoud, Saad Mekhilef, Badreddine Kanouni, Mohit Bajaj, Ievgen Zaitsev
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-28 (2024)
Abstract This study looks into how to make proton exchange membrane (PEM) fuel cells work more efficiently in environments that change over time using new Maximum Power Point Tracking (MPPT) methods. We evaluate the efficacy of Flying Squirrel Search
Externí odkaz:
https://doaj.org/article/6aa1eede0f0b44df839392fddce110f2