Showing 81 - 100 results of 971 for search '"proton"', query time: 0.06s Refine Results
  1. 81

    Research Progress on Oxygen Reduction Catalyst Materials for Proton Exchange Membrane Fuel Cells by Cao Beiheng

    Published 2025-01-01
    “…Among them, fuel cells are attracting attention as efficient and environmentally friendly. Proton exchange membrane fuel cells (PEMFCs) represent an advanced and eco-friendly energy conversion technology with substantial potential in transportation, distributed power generation, and other applications, while their performance can be remarkably impeded by the cathodic oxygen reduction reaction (ORR) which exhibits slow kinetics. …”
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    Geomagnetic Storm Effects on the LEO Proton Flux During Solar Energetic Particle Events by Kirolosse M. Girgis, Tohru Hada, Akimasa Yoshikawa, Shuichi Matsukiyo, Viviane Pierrard, Susan W. Samwel

    Published 2023-12-01
    “…Abstract During a few solar energetic particle (SEP) events, solar protons were trapped within the geomagnetic field and reached the outer edge of the inner radiation belt. …”
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    Malate initiates a proton-sensing pathway essential for pH regulation of inflammation by Yu-jia-nan Chen, Rong-chen Shi, Yuan-cai Xiang, Li Fan, Hong Tang, Gang He, Mei Zhou, Xin-zhe Feng, Jin-dong Tan, Pan Huang, Xiao Ye, Kun Zhao, Wen-yu Fu, Liu-li Li, Xu-ting Bian, Huan Chen, Feng Wang, Teng Wang, Chen-ke Zhang, Bing-hua Zhou, Wan Chen, Tao-tao Liang, Jing-tong Lv, Xia Kang, You-xing Shi, Ellen Kim, Yin-hua Qin, Aubryanna Hettinghouse, Kai-di Wang, Xiang-li Zhao, Ming-yu Yang, Yu-zhen Tang, Hai-long Piao, Lin Guo, Chuan-ju Liu, Hong-ming Miao, Kang-lai Tang

    Published 2024-12-01
    “…These findings reveal a previously unrecognized, proton/carboxylate dual sensing pathway wherein pH and L-malate regulate inflammatory responses, indicating the role of certain carboxylate metabolites as adaptors in the proton biosensing by interactions between macromolecules.…”
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  11. 91

    Modeling Energetic Proton Transport from a Stream Interaction Region to Compound Streams by Xinyi Tao, Fang Shen, Xi Luo

    Published 2025-01-01
    “…Energetic proton events associated with a stream interaction region (SIR) were observed by two Solar-Terrestrial Relations Observatory (STEREO) and WIND spacecraft from 2007 September 19 to September 25. …”
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  12. 92

    Observation of Gaussian Pseudorapidity Distributions for Produced Particles in Proton-Nucleus Collisions at Tevatron Energies by Abdurakhmanov Ulugbek, Gulamov Kadyr, Lugovoi Vladimir, Navotny Vadim

    Published 2018-01-01
    “…Events belong to very central collisions of protons with heavy emulsion nuclei with probability of realization of less than 1% and with multiplicity of shower particles exceeding (2-3 times) the average multiplicity in proton-nucleus collisions in emulsion. …”
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  13. 93

    Theoretical Study of Proton Radiation Influence on the Performance of a Polycrystalline Silicon Solar Cell by Tchouadep Guy Serge, Zouma Bernard, Korgo Bruno, Soro Boubacar, Savadogo Mahamadi, Zoungrana Martial, Zerbo Issa

    Published 2019-01-01
    “…The aim of this work is to study the behaviour of a silicon solar cell under the irradiation of different fluences of high-energy proton radiation (10 MeV) and under constant multispectral illumination. …”
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  14. 94

    Transverse momentum dependent parton densities in a proton from the generalized DAS approach by A. V. Kotikov, A. V. Lipatov, B. G. Shaikhatdenov, P. Zhang

    Published 2020-02-01
    “…Abstract We use the Bessel-inspired behavior of parton densities at small Bjorken x values, obtained in the case of the flat initial conditions for DGLAP evolution equations in the double scaling QCD approximation (DAS), to evaluate the transverse momentum dependent (TMD, or unintegrated) quark and gluon distribution functions in a proton. The calculations are performed analytically using the Kimber-Martin-Ryskin (KMR) prescription with different implementation of kinematical constraint, reflecting the angular and strong ordering conditions. …”
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    Extracting neutron skin from elastic proton-nucleus scattering with deep neural network by G.H. Yang, Y. Kuang, Z.X. Yang, Z.P. Li

    Published 2025-03-01
    “…Based on the relativistic impulse approximation of proton-nucleus elastic scattering theory, the neutron density distribution and neutron skin thickness of 48Ca are estimated via the deep learning method. …”
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  17. 97

    Characterization and Differentiation of Chemical Heterogeneity in Humic Substances by Continuous Intrinsic Proton Affinity Distribution by Zhang Hongxia, Dong Wenming, Huang Meide, Tao Zuyi

    Published 2002-05-01
    “…The chemical heterogeneity of proton binding on humic substances was studied via continuous intrinsic proton affinity distributions calculated using the condensation approximation from the master curves for two soil fulvic acids (FAs), one soil humic acid (HA) and one fulvic acid obtained from weathered coal. …”
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  18. 98

    Complete Resolution of Pseudomalignant Erosion in a Reflux Gastroesophageal Polyp with Proton Pump Inhibitor by Takahiko Nakajima, Haruo Yagi, Hayato Baba, Takashi Minamisaka, Shigeharu Miwa, Shinichi Hayashi, Takeshi Nishida, Hideki Hatta, Koichi Tsuneyama, Johji Imura

    Published 2015-01-01
    “…A second biopsy performed after the administration of a proton pump inhibitor (PPI) for 4 weeks revealed endoscopic resolution of the polyp along with the complete histological resolution of the bizarre stromal cells and led to the diagnosis of pseudomalignant erosion in a reflux gastroesophageal polyp. …”
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    Cardiorespiratory-gated cardiac proton radiotherapy using a novel ultrasound guidance system by Keith A Cengel, Zayne Belal, Michele M Kim, Sarah Hagan, Saskia Camps, Alexander Kalinin, Weihow Hsue, Eric Diffenderfer, Adriano Garonna, Cory Tschabrunn

    Published 2025-03-01
    “…With the aim to prove feasibility of a novel image guided radiotherapy and heart motion gating device, cardiac proton radiotherapy was performed using a porcine model. …”
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