Showing 401 - 420 results of 1,758 for search '"geometry"', query time: 0.05s Refine Results
  1. 401

    Bandwidth Enhancement of a Backfire Microstrip Patch Antenna for Pervasive Communication by Puran Gour, Ravishankar Mishra

    Published 2014-01-01
    “…Here we design proposed geometry for 3 GHz. For this geometry we achieved 52.8% bandwidth for VSWR <2, minimum return loss −20 dB, and maximum directivity 7.2 dBi.…”
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  2. 402

    Optimization of hydrocyclon for phosphatic rock separation using CFD by Felipe Orlando da Costa, Felipe Leonardo Barcelos Mateus, Irineu Petri Júnior

    Published 2021-08-01
    “…In order to optimize the separation process and reduce operating costs, 11 modifications were proposed in the geometry of HC11, called B1, B2, B3, C1, C2, C3, D1, D2, E1, E2 and E3. …”
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  3. 403

    Geodesics of Finsler Hayward black hole surrounded by quintessence by B. R. Yashwanth, S. K. Narasimhamurthy, Z. Nekouee, Manjunath Malligawad

    Published 2024-12-01
    “…Abstract This research paper delves into examining the Hayward black hole structure surrounded by quintessence within the framework of Finsler geometry. Our focus centers on the Finsler metric tensor development for black holes. …”
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  4. 404

    Performance optimization of Maisotsenko cycle heat exchangers: A three-dimensional parametric analysis by Seyed Esmail Razavi, Tohid Adibi, Mohanad Naji Halool Abohned, Shams Forruque Ahmed, Hammad Alotaibi

    Published 2025-03-01
    “…The research examines the impact of key parameters, including fluid flow rate, inlet humidity, and channel geometry, on heat transfer efficiency. Results indicate that reducing inlet humidity and increasing flow rate improves heat transfer, while channel geometry is critical to performance. …”
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  5. 405

    Speed Distribution Prediction of Freight Vehicles on Mountainous Freeway Using Deep Learning Methods by Yuren Chen, Yu Chen, Bo Yu

    Published 2020-01-01
    “…The aim of this paper is to apply the deep learning method to predict the general condition of driving speed in consideration of the road geometry and the temporal evolutions. 3D mobile mapping was applied to obtain road geometry information with high precision, and driving simulation experiment was then conducted with the help of the road geometry data. …”
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  6. 406

    Synthesis, characterization and antimicrobial effect of Cu(ii) and Zn(ii) compounds derived from 1,2,4-triazoles by Patricia Saraiva Vilas Boas de Almeida, José Roberto da Silveira Maia, Mariana Caliman Falqueto, Leandro Licursi de Oliveira

    Published 2022-01-01
    “…The IR and UV-VIS of Cu(II)-mta derivatives revealed two possible geometric patterns for the metallic ion; a distorted bipyramidal trigonal geometry for compounds 10 and 11 in solution, and in the solid state, the same geometry for complex-10, but for complex-11, the IR data suggest a distorted octahedral geometry. …”
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  7. 407

    Development of a high-temperature Inconel 625 heat exchanger by model design and binder jetting additive manufacturing by Wenchao Du, Joseph Hayes, Kyle Myers, Bipul Barua, Wenhua Yu, Dileep Singh

    Published 2025-03-01
    “…Two sintering temperatures were used to investigate the effects of the temperature on densification and microstructure. For channel geometry design, the heat transfer capabilities of the heat exchanger were optimized for the cross-section geometry of fluid flow channels in a counterflow configuration, and a stress analysis was conducted to investigate the effects of channel geometry. …”
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    Article
  8. 408

    The Research of the Influence on Stress below the Roadway Floor of the Coal Seam Becoming Thin by Liang Chen, Qi Liu

    Published 2022-01-01
    “…The results drawn in this paper may be helpful to predict and control dynamic disasters when the geometry of the coal seam varies.…”
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  9. 409

    Focusing surface phonon-polaritons for tunable thermal radiation by Jose Ordonez-Miranda, Masahiro Nomura, Sebastian Volz

    Published 2025-01-01
    “…The obtained results thus introduce the conical geometry as a powerful degree of freedom for tailoring thermal radiation, with potential implications for energy harvesting and thermal management at the nanoscale.…”
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  10. 410

    Analytic Solutions to Reflection-Transmission Problem of Interface in Anisotropic Ice Sheet by Bangbing Wang, Honkuan Wong

    Published 2020-01-01
    “…In this paper, firstly, we deduce the expression of eigenvalues and eigenvectors of anisotropic media, which are determined by permittivity tensor and geometry of media. Then, the analytic formulas of reflection and transmission coefficients are derived directly by matrix transformation. …”
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  11. 411

    Safety Improvements for Personnel and Vehicles in Short-Term Construction Sites by Daniel Rau, Jonas Vogt, Philipp Schorr, Juri Golanov, Andreas Otte, Jens Staub, Horst Wieker

    Published 2024-01-01
    “…Focusing on defining the exact dimensions of static construction sites, this method employs high-precision Real-Time-Kinematics-GNSS for localizing traffic cones and deriving the construction site geometry through respective algorithms. By analyzing the geometry, we can identify situations where maintenance personnel are in close proximity to the active lane or when vehicles enter the construction site. …”
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  12. 412

    Long-term cardiac MRI follow up of MANTICORE (Multidisciplinary Approach to Novel Therapies in Cardio-Oncology REsearch) by Dina Labib, Mark Haykowsky, Emer Sonnex, John R. Mackey, Richard B. Thompson, D. Ian Paterson, Edith Pituskin

    Published 2025-02-01
    “…Objectives We hypothesized that, over time, cardiac function would decline further and adverse changes in cardiac geometry would occur due to the aging of the population and prior treatment. …”
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  13. 413

    Progress in Dual (Piezoelectric-Magnetostrictive) Phase Magnetoelectric Sintered Composites by Rashed Adnan Islam, Shashank Priya

    Published 2012-01-01
    “…A systematic relationship between composition, microstructure, geometry, and properties is presented which will lead to development of high-performance magnetoelectric materials.…”
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  14. 414

    Understanding Groundwater Resource Vulnerability at Bryce Canyon National Park, Utah, Using Applied Geophysics at the Rubys Inn Thrust Fault by Trevor H. Schlossnagle, Kayla D. Smith, Tyler C. Gilkerson

    Published 2025-01-01
    “…The study demonstrates that ERT is a cost-effective and noninvasive tool for detecting the precise surface location and delineating subsurface fault geometry in otherwise data-poor areas with sensitive ecological or archaeological resources.…”
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  15. 415

    Structural, Electronic, Elastic, Mechanical, and Opto-Electronic Properties for ZnAg2SnS4 and ZnAg2Sn0.93Fe0.07S4 Photocatalyst Effort on Wastewater Treatment through the First Pri... by Mohammad Jahidul Islam, Md. Sabbir Hasan Sohag, Unesco Chakma, Ajoy Kumer, Md. Monsur Alam, Mohammed Nazrul Islam Khan

    Published 2023-01-01
    “…The structural geometry parameters were determined along with the electronic band structure, density of state (DOS), partial density of state (PDOS), Mulliken charge population, elastic constant, and optical characteristics. …”
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  16. 416

    Interaction model estimation-based robotic force-position coordinated optimization for rigid–soft heterogeneous contact tasks by Haochen Zheng, Xueqian Zhai, Hongmin Wu, Jia Pan, Zhihao Xu, Xuefeng Zhou

    Published 2025-03-01
    “…Within the MPIC, robot dynamics are linearized, and Extended Kalman Filters are used for the online estimation of geometry-aware parameters. Meanwhile, a geometry-aware Hertz contact model is introduced for the online estimation of contact forces. …”
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  17. 417

    Synthesis, Spectroscopic, and Antimicrobial Studies on Bivalent Nickel and Copper Complexes of Bis(thiosemicrbazone) by Sulekh Chandra, Smriti Raizada, Monika Tyagi, Archana Gautam

    Published 2007-01-01
    “…On the basis of spectral studies, an octahedral geometry has been assigned for Ni(II) complexes but a tetragonal geometry for Cu(II) complexes. …”
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  18. 418

    Mathematics learning for school readiness of kindergarteners in the western rural area of china – taking county s as an example by Min Li, Xiaoping Yang

    Published 2014-04-01
    “…From the research carried out, it was concluded that development in different math abilities are not coordinated, that the children’s performance in number and volume are much better than in geometry and relationship, and that there are significant differences between different kindergartens regarding location and funding – children from independent public kindergartens and private kindergartens, charging expensive tuition fees and located in county towns, are much better than others. …”
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  19. 419

    Mechanism of Imprinting Process in the Ni-P Metallic Glass Films: A Molecular Dynamics Study by Tri Widodo Besar Riyadi, Ramaswamy Sivaraman, Alaa Mohammed Hussein Wais, Farag M. A. Altalbawy, Ulugbek Oybutaevich Khudanov, Dinesh Kumar Chaudhary

    Published 2023-01-01
    “…In this study, the molecular dynamics (MD) simulation was used to evaluate the role of imprinting temperature and the mold-cavity geometry on the imprinted Ni-P metallic glass (MG) films. …”
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  20. 420

    Effects of Quintessence Dark Energy on the Action Growth and Butterfly Velocity by Hossein Ghaffarnejad, Mohammad Farsam, Emad Yaraie

    Published 2020-01-01
    “…We compare late time approximation of the action growth by perturbed geometry in small limits of shift function. Actually we investigate the evµolution of complexity when thermofield double state on the boundaries is perturbed by local operator corresponding to a shock wave geometry as holographically. …”
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