Showing 701 - 720 results of 849 for search '"microwave"', query time: 0.09s Refine Results
  1. 701

    Simulation of Novel NEMS Contact Switch Using MRTD with Alterable Steps by Wen-Ge Yu, Kang-Qu Zhou, Zheng-Zhong Wu, Ting-Hong Yang, Jing Zhao

    Published 2010-01-01
    “…In order to apply Radio Frequency Micro-nano-Electro-Mechanical System (MEMS/NEMS) technologies to produce miniature, high isolation, low insertion loss, good linear characteristic, and low power consumption microwave switches, we present a novel NEMS switch with nanoscaling in this paper through the analysis of electrics and mechanics of the RF switch. …”
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    Article
  2. 702

    All-dielectric carpet cloaks with three-dimensional anisotropy control by Maegawa Yuki, Nakata Yosuke, Sanada Atsushi

    Published 2023-06-01
    “…Realizable anisotropic permittivities of cubic and rectangular unit cells are numerically studied based on the relative permittivity and loss tangent of ɛ r = 2.9 and tan δ = 0.02 of ultra-violet curing resin measured at the microwave frequency. It is shown that the unit cell has little frequency dependence even with the anisotropy in the low frequency range where the effective medium approximation is valid. …”
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    Article
  3. 703

    High K Low Loss Dielectrics Co-Fireable with LTCC by Christina Modes, Stefan Malkmus, Frieder Gora

    Published 2002-01-01
    “…The majority of commercially available microwave dielectrics show increasing firing temperatures >200 °C which make them incompatible with Ag metallizations or show high dielectric loss which limit their usage in RF wireless applications. …”
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    Article
  4. 704

    Effect of Tetrahydrofuran Extraction on Surface Functional Groups of Coking Coal and Its Wettability by Jian Yao, Huaijun Ji, Huazhang Lu, Tongtong Gao

    Published 2019-01-01
    “…Coking coal was extracted with tetrahydrofuran solvent using ultrasonic and microwave-assisted method at 50°C and atmospheric pressure. …”
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    Article
  5. 705
  6. 706

    Catalytic pathways for N-arylation of benzimidazoles: A comprehensive review by Anila Ghulam, Tooba Jabeen, Sana Aslam, Matloob Ahmad, Magdi E.A. Zaki

    Published 2025-01-01
    “…Metal-free techniques offer ecologically friendly options, and multicomponent reactions provide the benefit of convergent synthesis. Microwave-assisted reactions and photocatalyzed procedures have improved the efficiency, selectivity, and sustainability of N-arylation reactions. …”
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    Article
  7. 707

    Weather Features Associated with Aircraft Icing Conditions: A Case Study by Sergio Fernández-González, José Luis Sánchez, Estíbaliz Gascón, Laura López, Eduardo García-Ortega, Andrés Merino

    Published 2014-01-01
    “…Observations in this case were from a MP-3000A microwave radiometric profiler, which acquired atmospheric temperature and humidity profiles continuously every 2.5 minutes. …”
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  8. 708

    Design of Low-Cost Full W-Band 8th Harmonic Mixers for Frequency Extension of Spectrum Analyzer by Jian Guo, Kaiyi Zang, Zihan Zhang, Liang Zhao, Jie Xu, Zhengbin Xu

    Published 2023-01-01
    “…High-order harmonic mixer is popular for frequency extension of spectrum analyzer (SA) from microwave to millimeter-wave or even terahertz band. …”
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    Article
  9. 709

    Correlations of Calcination Temperature with the Catalytic Properties of CuFe2O4 for the Synthesis of Green Fuels by Judith Zander, Florian Daumann, Rameshwori Loukrakpam, Christina Roth, Birgit Weber, Roland Marschall

    Published 2025-02-01
    “…Herein, cubic CuFe2O4 nanoparticles are synthetic using a microwave‐assisted approach. The effect of post‐synthetic calcination on particle morphology, crystal structure, and inherent properties such as optical bandgap, magnetic moment, or degree of inversion is investigated. …”
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    Article
  10. 710

    Automatic Measurement Techniques for Compositional Properties of Fresh Concrete: Focus on Water/Cement Ratio and Air Content by Ojala Teemu, Punkki Jouni

    Published 2024-12-01
    “…The research compared microwave absorption (MWA) and time-domain reflectometry (TDR) techniques for w/c ratio measurement as well as acoustic wave propagation (AWP) technique for air content measurement, against the reference testing methods. …”
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    Article
  11. 711

    Demonstration of two qubit entangling gates in a 2D ring resonator based coupler architecture by Anirban Bhattacharjee, Panya Jain, Jay Deshmukh, Srijita Das, Madhavi Chand, Meghan P. Patankar, R. Vijay

    Published 2025-02-01
    “…We implement an all-microwave controlled phase (CPHASE) gate between a pair of qubits with a gate time of 196 ns and demonstrate a two-qubit Bell state with a measured state fidelity of $$F = 0.88$$ . …”
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  12. 712

    Ultrasound imaging of the perithyroid fascial space: a comparative analysis with anatomical correlations by Ying Wei, Zhen-long Zhao, Yun Niu, Li-li Peng, Yan Li, Ming-an Yu

    Published 2025-02-01
    “…A retrospective review was conducted on data from 2390 patients (631 males and 1759 females, median age 46 years, 25–75% interquartile range 26–69 years) who underwent microwave ablation for thyroid tumors, including 1436 benign nodules and 954 papillary thyroid carcinomas. …”
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  13. 713

    Quantum dot nanomaterials: Empowering advances in optoelectronic devices by Mariam Akter Mimona, Md Israfil Hossain Rimon, Fatema Tuz Zohura, Jannatul Mawya Sony, Samira Islam Rim, Md Mostafizur Rahman Arup, Md Hosne Mobarak

    Published 2025-03-01
    “…Novel synthesis strategies, such as nonorganometallic approaches and microwave-based procedures, are addressing these problems by strengthening safety, reducing expenses, and improving the photostability of quantum dots. …”
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    Article
  14. 714

    Investigation of a New Handover Approach in LTE and WiMAX by Mohammad Nour Hindia, Ahmed Wasif Reza, Kamarul Ariffin Noordin

    Published 2014-01-01
    “…In this paper, several algorithms are proposed to improve mobile station performance and seamless mobility across the long-term evolution (LTE) and Worldwide Interoperability for Microwave Access (WiMAX) technologies, along with a minimum number of redundant handovers. …”
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  15. 715

    Continuously Frequency-Tunable Horn Filtennas Based on Dual-Post Resonators by Andreia A. C. Alves, Luis G. da Silva, Evandro C. Vilas Boas, Danilo H. Spadoti, S. Arismar Cerqueira

    Published 2019-01-01
    “…This work reports the concept and development of two mechanically frequency-tunable horn filtennas for microwave and millimeter-waves. Our design approach relies on the integration of a horn antenna with a mechanically tunable filter based on dual-post resonators. …”
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  16. 716

    Effect of cooking processes on tilapia aroma and potential umami perception by Danni Zhang, Charfedinne Ayed, Ian D. Fisk, Yuan Liu

    Published 2023-01-01
    “…To promote pleasant odorants by thermal cooking processes, tilapia fillets were cooked in different ways (roasting, microwave-heating, boiling and steaming). Their aroma profiles were analysed with special focus on off-notes and umami-enhancing odorants by principal component analysis, and correlated with the heating time, colour, moisture and water activity by partial least squares regression analysis. …”
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    Article
  17. 717

    Synthesis of CdS Sensitized TiO2 Photocatalysts: Methylene Blue Adsorption and Enhanced Photocatalytic Activities by A. B. Makama, A. Salmiaton, E. B. Saion, T. S. Y. Choong, N. Abdullah

    Published 2016-01-01
    “…A series of CdS/TiO2 nanocomposites with different Cd to Ti molar ratio were synthesized from P25-TiO2 nanopowder using microwave-assisted hydrothermal method. The as-produced powders were characterized by XRD, electron microscopy, EDX, and UV-Vis diffuse reflectance spectroscopy. …”
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  18. 718

    In Silico Screening, Synthesis and In Vitro Evaluation of Some Quinazolinone and Pyridine Derivatives as Dihydrofolate Reductase Inhibitors for Anticancer Activity by A. G. Nerkar, A. K. Saxena, S. A. Ghone, A. K. Thaker

    Published 2009-01-01
    “…Synthesis of the molecules was performed using microwave assisted synthesis. The structures of these molecules were elucidated by IR and 1H-NMR. …”
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  19. 719

    The methods of treatment of atrial fibrillation in patients with valvular heart disease by O.M. Grytsay, Y.V. Skybchyk, I.Y. Mokryk, E.V. Zhytyns’kiy, V.О. Kuts, О.J. Zharinov, B.M. Todurov

    Published 2019-03-01
    “…The efficiency of surgical ablation in valvular atrial fibrillation is discussed, i.e. radiofrequency ablation, laser ablation, microwave ablation, their efficiency in addition to surgical treatment. …”
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    Article
  20. 720

    Assessment of lead and cadmium exposure through olive and corn oil consumption in Gonbad-Kavus, north of Iran: A public health risk analysis by Janan Tayeb, Mohammadhosein Movassaghghazani

    Published 2025-06-01
    “…This study assessed their levels in commercial and traditional olive and corn oils from Gonbad-Kavus City using graphite furnace atomic absorption spectrometry after microwave digestion. Hazard Quotient (HQ) and Hazard Index (HI) were calculated. …”
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    Article