Showing 241 - 260 results of 1,540 for search '"electromagnet"', query time: 0.05s Refine Results
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    Green Function Formulism for Electromagnetic Wave Generated in Nanostructured Metamaterial of Finite Thickness: Isotropy and Anisotropy by Shunbo Li, Xiao Xiao, Bo Hou, Weijia Wen

    Published 2012-01-01
    “…A Green function formulism is developed to calculate the electromagnetic fields generated by sources embedded in nanostructured medium which could be represented by an effective electric permittivity tensor with finite thicknesses. …”
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    Article
  4. 244

    Post-return stroke VHF electromagnetic activity in north-western Mediterranean cloud-to-ground lightning flashes by A. Kolínská, A. Kolínská, I. Kolmašová, I. Kolmašová, E. Defer, O. Santolík, O. Santolík, S. Pédeboy

    Published 2025-02-01
    “…<p>We investigate properties of the electromagnetic activity following the first lightning return stroke (RS), using concurrent observations from the SLAVIA (Shielded Loop Antenna with a Versatile Integrated Amplifier) sensor, the SAETTA (Suivi de l'Activité Electrique Tridimensionnelle Totale de l'Atmosphère) Lightning Mapping Array (LMA) and the METEORAGE LF (low-frequency) network in the Corsica region. …”
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    LIGHT AMPLIFICATION BASED ON ELECTROMAGNETICALLY INDUCED TRANSPARENCY IN A THREE-LEVEL V-TYPE ATOMIC SYSTEM by Lê Văn Đoài, Võ Bá Tòng

    Published 2020-09-01
    “…Electromagnetically induced transparency (EIT), which was discovered in the past few decades, leads to an elimination of the absorption coefficient in an atomic medium and is fundamental to create light amplification without inversion. …”
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    Design of UWB Monopole Antenna with Dual Notched Bands Using One Modified Electromagnetic-Bandgap Structure by Hao Liu, Ziqiang Xu

    Published 2013-01-01
    “…A modified electromagnetic-bandgap (M-EBG) structure and its application to planar monopole ultra-wideband (UWB) antenna are presented. …”
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    Research on Mining-Induced Stress Distribution of Extrathick Coal Seams Based on Electromagnetic Wave CT Technology by Tuan He, Guodong Li, Feng Luo, Xueqing Li

    Published 2022-01-01
    “…To verify the model, electromagnetic wave CT detection and borehole endoscopy are used to test the coal’s electromagnetic wave attenuation and internal joints. …”
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    Effect on the Process of Biomethanogenesis of Pre-Treatment of Wheat Straw by the High Intensity High-Frequency Electromagnetic Field by Zablodsky N., Klendiy P., Dudar O.

    Published 2025-02-01
    “…The purpose of the researches is the experimental determination of the effect of pre-treatment with the high-frequency electromagnetic field of high intensity on the appearance of deformations and structural rearrangements in the cells of wheat straw and on the intensity of biogas output.The set goal is achieved by the way of solving the following issues: obtaining chopped straw when it is grinding on a laboratory grinder to the fraction with average sizes of 5.2 mm x 1.5 mm and soaking in tap water for 15 minutes; measurement of distribution of the specific power of the electromagnetic field in the area where the samples of crushed wheat straw are located; comparison of images of the structure of straw under a light microscope for samples after influence by the high-frequency electromagnetic field of high intensity and control samples that were not exposed to such influence; carrying out fermentation experiments and researches of the process of biogas output within 20 days of a mixture of straw and inoculum for options with pre-treatment of wheat straw by the electromagnetic field of a Tesla’s transformer and without treatment by field. …”
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  14. 254

    Electromechanical Performance Analysis of the Hybrid Piezoelectric-Electromagnetic Energy Harvester under Rotary Magnetic Plucking Excitation by Hongyan Wang, Jiarui Hu, Gang Sun, Liying Zou

    Published 2021-01-01
    “…This paper presents an analysis of the hybrid piezoelectric-electromagnetic energy harvester (P-EMEH) driven by contactless rotary magnetic plucking. …”
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  15. 255

    Guided Electromagnetic Waves Propagating in a Two-Layer Cylindrical Dielectric Waveguide with Inhomogeneous Nonlinear Permittivity by E. Yu. Smol’kin, D. V. Valovik

    Published 2015-01-01
    “…The paper focuses on the problem of monochromatic electromagnetic TM wave propagation in a two-layer circular cylindrical dielectric waveguide. …”
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    Calculation of Electromagnetic Parameters of Single Vertical Grounding Electrodes of Finite Length at Power Frequency Current Flowing by D. A. Gerasimovich, A. A. Dziaruhina

    Published 2011-04-01
    “…A method for calculation of electromagnetic parameters of single vertical grounding electrode of finite length has been developed. …”
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    Observations of the Electromagnetic Electron Kelvin‐Helmholtz Instability and Its Impact on the Dynamics Inside a Flux Rope by K. Jiang, S. Y. Huang, Q. M. Lu, Z. G. Yuan, Q. Y. Xiong

    Published 2025-01-01
    “…Abstract The electromagnetic electron Kelvin‐Helmholtz instability (EM EKHI) and its impact on the dynamics inside a flux rope (FR) is investigated through observations from the Magnetospheric Multiscale mission. …”
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    Computational Simulation and Modeling of Freak Waves Based on Longuet-Higgins Model and Its Electromagnetic Scattering Calculation by Gengkun Wu, Chuanxi Liu, Yongquan Liang

    Published 2020-01-01
    “…Then, based on the Kirchhoff approximation method and the modified Two-Scale Method, the electromagnetic scattering model of the simulated freak waves is established, and the normalized radar cross section (NRCS) of the freak waves and their background sea surfaces is analyzed. …”
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