Showing 901 - 920 results of 1,758 for search '"geometry"', query time: 0.05s Refine Results
  1. 901

    Critical analysis of multiple reentrant localization in an antiferromagnetic helix with transverse electric field: Hopping dimerization-free scenario by Sudin Ganguly, Sourav Chattopadhyay, Kallol Mondal, Santanu K. Maiti

    Published 2025-01-01
    “…Described within a tight-binding framework, present work provides a novel outlook on RL, highlighting the crucial role of electric field, antiferromagnetic ordering, and the helicity of the geometry. Potential applications and experimental realizations of RL phenomena are also explored.…”
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  2. 902

    Penghitungan Beban Kritis pada Struktur Balok-Kolom Akibat Pembebanan Secara Aksial dan Lateral Berbasiskan Metode Beda Hingga by Eka Satria, N Nusyirwan, Deri Yunifki

    Published 2017-10-01
    “…For geometrical modeling, the structures are supported in three types of supports; pinned-roller, fixed-free, and fixed-pinned. Then, a geometry of the beam is varied in variation of slenderness ratio. …”
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  3. 903

    Experimental investigation of the mechanical properties of Alfas stone by Konstas N. Kaklis, Stelios P. Mavrigiannakis, Zach G. Agioutantis, Emmanouil K. Steiakakis, Foteini K. Stathogianni

    Published 2017-04-01
    “…Different sets of cylindrical specimens and circular discs were prepared by varying their geometry in order to examine the size effect on the respective strength values. …”
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    Article
  4. 904

    Gender Classification Based on Iris Recognition Using Artificial Neural Networks by Basna Mohammed Salih, Adnan Mohsin Abdulazeez, Omer Mohammed Salih Hassan

    Published 2021-05-01
    “… Biometric authentication is one of the most quickly increasing innovations in today's world; this promising technology has seen widespread use in a variety of fields, including surveillance services, safe financial transfers, credit-card authentication. in biometric verification processes such as gender, age, ethnicity is iris recognition technology is considered the most accurate compared to other vital features such as face, hand geometry, and fingerprints.  Because the irises in the same person are not similar. …”
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    Article
  5. 905

    Impact of Radii Ratios on a Two-Dimensional Cloaking Structure and Corresponding Analysis for Practical Design at Optical Wavelengths by Nadia Anam, Ebad Zahir

    Published 2017-01-01
    “…It was concluded that it is possible to expand the frequency range of a cylindrical cloaking model by careful scaling of the inner and outer radius of the simulation geometry with respect to cell size and/or number of time steps in the simulation grid while maintaining appropriate stability conditions. …”
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    Article
  6. 906

    Stability of evolving cluster of stars and exotic matter by Wasee Shahid, Rubab Manzoor, Saadia Mumtaz, Syed Ali Mardan, Adnan Malik

    Published 2024-12-01
    “…We observe that high curvature geometry enhances quasi-homologous evolution in the presence of shear. …”
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  7. 907

    Mapping Soil Surface Macropores Using Infrared Thermography: An Exploratory Laboratory Study by João L. M. P. de Lima, João R. C. B. Abrantes, Valdemir P. Silva, M. Isabel P. de Lima, Abelardo A. A. Montenegro

    Published 2014-01-01
    “…Hence, the quantification of the number of macropores and the determination of their geometry are expected to provide a better understanding on the effects of pores on the soil’s physical and hydraulic properties. …”
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    Article
  8. 908

    Pressure Transient Behavior of Horizontal Well with Time-Dependent Fracture Conductivity in Tight Oil Reservoirs by Qihong Feng, Tian Xia, Sen Wang, Harpreet Singh

    Published 2017-01-01
    “…We substantiate the validity of our model and analyze the different flow regimes, as well as the effects of initial conductivity, fracture distribution, and geometry on the pressure transient behavior. Our results suggest that the decrease of fracture conductivity has a tremendous effect on the well performance. …”
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    Article
  9. 909

    Metasurface-Based Cylindrical Lenses and Their Antenna Gain Enhancement by Yuping Shang, Wenjun Zhou, Cheng Liao

    Published 2020-01-01
    “…Electromagnetic metasurface lenses with the characteristic of being conformal to a cylindrical geometry are presented in this study. Based on the formulated principle of the cylindrical metasurface lens operating with transmission or reflection mode, the transmission or reflection phase gradient varying along the circumferential direction of a cylinder is implemented. …”
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    Article
  10. 910

    The Integration of Nanotechnology and Biology for Cell Engineering: Promises and Challenges by Uma Maheswari Krishnan, Swaminathan Sethuraman

    Published 2013-10-01
    “…Conclusion: This review provides information about the factors influencing tissue engineering, namely geometry, chemistry, mechanics and cells, and the emerging concepts that may well represent the future of regenerative medicine. …”
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    Article
  11. 911

    3-Hydroxy-2-naphthoate Complexes of Transition Metals with Hydrazine - Preparation, Spectroscopic and Thermal Studies by N. Arunadevi, S. Vairam

    Published 2009-01-01
    “…The magnetic moments and electronic spectra suggest the geometry of the complexes. IR data indicates the nature of hydrazine and presence of water in the complexes. …”
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    Article
  12. 912

    Application of Latitude Stripe Division in Satellite Constellation Coverage to Ground by Maocai Wang, Xin Luo, Guangming Dai, Xiaoyu Chen

    Published 2016-01-01
    “…After dividing the target region into several latitude stripes, the coverage status of each latitude stripe is computed by means of the spherical geometry relationship in the first orbital period. …”
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  13. 913

    Enhancing Brain Tumor Detection: A Comparative Study of CNN Architectures Using MRI Data by Zhu Zhimeng

    Published 2025-01-01
    “…Existing Convolutional Neural Network (CNN) models like Visual Geometry Group 19 (VGG19), Residual Network 18 (ResNet18), and Residual Network 34 (ResNet34), despite their success in image classification and recognition, face challenges such as unclear boundary detection, limited generalization, and lower computational efficiency in detecting brain tumors. …”
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  14. 914

    Analysis of Vibration and Wave Propagation in Cylindrical Grid-Like Structures by Sang Min Jeong, Massimo Ruzzene

    Published 2004-01-01
    “…In particular, the directions and frequencies corresponding to wave attenuation are evaluated for cells of different size and geometry, in order to identify topologies with attractive wave attenuation and vibration confinement characteristics. …”
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    Article
  15. 915

    Relative Navigation in LEO by Carrier-Phase Differential GPS with Intersatellite Ranging Augmentation by Alfredo Renga, Michele Grassi, Urbano Tancredi

    Published 2013-01-01
    “…Carrier-phase differential GPS (CDGPS) is a promising technology for accurate relative navigation in LEO formations of cooperating satellites, but navigation filter robustness against poor GPS geometry and noisy measurements has to be improved. …”
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  16. 916

    A General Local Reconstruction Approach Based on a Truncated Hilbert Transform by Yangbo Ye, Hengyong Yu, Yuchuan Wei, Ge Wang

    Published 2007-01-01
    “…Our approach and associated new data sufficient condition allows the most flexible ROI/VOI image reconstruction from the minimum account of data in both the fan-beam and cone-beam geometry. We also report primary numerical simulation results to demonstrate the correctness and merits of our finding. …”
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  17. 917

    Traversable Wormholes Existence in fR,T Gravity Involving Trace-Squared Term with Nonexotic Matter by M. Zubair, Quratulien Muneer, Saira Waheed

    Published 2021-01-01
    “…It is shown that, under this model, the existence of viable wormhole geometry is possible without requiring any exotic matter.…”
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  18. 918

    Synthesis, Characterization and Antimicrobial Activity of Transition Metal Complexes of Schiff Base Ligand Derived from 3-Ethoxy Salicylaldehyde and 2-(2-Aminophenyl) 1-H-benzimida... by Matangi Sunitha, Pragathi Jogi, Bathini Ushaiah, C. Gyana Kumari

    Published 2012-01-01
    “…According to these data, we propose an octahedral geometry to all the metal complexes. Antimicrobial activity of the ligand and its metal complexes were studied against two gram negative bacteria: E. coli, Pseudomonas flourescence and two gram positive bacteria: Bacillus subitilis, Staphylococcus aureus. …”
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    Article
  19. 919

    Advances in Laboratory-Scale Hydraulic Fracturing Experiments by Yelin Qian, Panpan Guo, Yixian Wang, Yanlin Zhao, Hang Lin, Yan Liu

    Published 2020-01-01
    “…On account of their ability to complete control some significant factors and efficient observation of fracture geometry, laboratory-scale hydraulic fracturing experiments have received abundant research attention in recent years. …”
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  20. 920

    A Strength Design Method of Cemented Backfill with a High Aspect Ratio by Zhi-zhihui Wang, Ai-xiang Wu, Hong-jiang Wang

    Published 2020-01-01
    “…The proposed equation of the slip surface is affected by the geometry parameters of the backfill, internal friction angle of the backfill, and the friction angle of the backfill-rock interface. …”
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