Showing 1,161 - 1,180 results of 1,758 for search '"geometry"', query time: 0.06s Refine Results
  1. 1161

    Synthesis and crystal structure of [Sr(urea)(NO3)2]n by Aysanem Bektursinova, Zulfiya Djumanazarova, Zamira Uzakbergenova, Jamshid Ashurov, Akram A Khan, Shakhnoza Kadirova, Batirbay Torambetov

    Published 2025-02-01
    “…The SrII cation adopts a distorted decahedral geometry coordinated by ten oxygen atoms, with Sr—O bond lengths ranging from 2.573 (3) to 2.847 (5) Å. …”
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    Article
  2. 1162

    Extraction of Least-Dispersive Ultrasonic Guided Wave Mode in Rail Track Based on Floquet-Bloch Theory by Maodan Yuan, Peter W. Tse, Weiming Xuan, Wenjin Xu

    Published 2021-01-01
    “…The proposed method provides an effective way to extract efficient UGW modes to assess the integrity of the rail track, as well as other waveguides with complex geometry.…”
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    Article
  3. 1163

    Ship Collision Risk Assessment Algorithm Based on the Especial Cautious Navigation Angle Model by Wei Pan, Yukuan Wang, Xinlian Xie, Meng Li, Jinru Fan

    Published 2025-01-01
    “…To address the challenges posed by dense shipping traffic and the difficulty of identifying navigation risks in open waters, this paper introduces an Especial Cautious Navigation Angle (ECNA) model for ships, grounded in ship collision avoidance geometry. The ECNA model dynamically identifies the range of navigation angles where collision risks may arise between ships. …”
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  4. 1164

    An Improved Extrapolation Scheme for Truncated CT Data Using 2D Fourier-Based Helgason-Ludwig Consistency Conditions by Yan Xia, Martin Berger, Sebastian Bauer, Shiyang Hu, Andre Aichert, Andreas Maier

    Published 2017-01-01
    “…First, we theoretically derive a 2D Fourier representation of the HL consistency conditions from their original formulation (projection moment theorem), for both parallel-beam and fan-beam imaging geometry. The derivation result indicates that there is a zero energy region forming a double-wedge shape in 2D Fourier domain. …”
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    Article
  5. 1165

    Effect of Spacing and Different Levels of Phosphorus on Growth and Yield of Malepatan-1 Variety of Cowpea (Vigna unguiculata (Linn.) Walp.) in Dang District, Nepal by Biraj Poudel, Gaurab Chaudhary, Archana Bhatt, Shobita Neupane

    Published 2024-01-01
    “…The experiment was carried out using a split-plot design with three planting geometry as the main plot (15 cm × 30 cm, 30 cm × 30 cm, and 45 cm × 30 cm) and three P levels as subplots (20, 40, and 60 kg/ha), each replicated three times. …”
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  6. 1166

    Research on bearing fault diagnosis based on a multimodal method by Hao Chen, Shengjie Li, Xi Lu, Qiong Zhang, Jixining Zhu, Jiaxin Lu

    Published 2024-12-01
    “…Next, features are extracted from the time-frequency images using a visual geometry group network to obtain deep features of image modalities. …”
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    Article
  7. 1167

    A magnetorheological clutch for efficient automotive auxiliary device actuation by F. Bucchi, P. Forte, F. Frendo, R. Squarcini

    Published 2012-12-01
    “…Several clutch preliminary studies done to choose the clutch geometry and the magnetic field supply are illustrated. …”
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    Article
  8. 1168

    Bandwidth Reconfigurable Metamaterial Arrays by Nathanael J. Smith, Dimitris Papantonis, John L. Volakis

    Published 2014-01-01
    “…In contrast with previous bandwidth and frequency response reconfigurations, our approach does not change the aperture’s or ground plane’s geometry, nor does it introduce external filtering structures. …”
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    Article
  9. 1169

    Shallow Foundation Settlement Quantification: Application of Hybridized Adaptive Neuro-Fuzzy Inference System Model by Mariamme Mohammed, Ahmad Sharafati, Nadhir Al-Ansari, Zaher Mundher Yaseen

    Published 2020-01-01
    “…The width of footing (B), pressure of footing (qa), geometry of footing (L/B), count of SPT blow (N), and ratio of footing embedment (Df/B) are considered as predictive variables. …”
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    Article
  10. 1170

    Co(II) and Cd(II) Complexes Derived from Heterocyclic Schiff-Bases: Synthesis, Structural Characterisation, and Biological Activity by Riyadh M. Ahmed, Enaam I. Yousif, Mohamad J. Al-Jeboori

    Published 2013-01-01
    “…These studies revealed the formation of four-coordinate complexes in which the geometry about metal ion is tetrahedral. Biological activity of the ligands and their metal complexes against gram positive bacterial strain Bacillus (G+) and gram negative bacteria Pseudomonas (G−) revealed that the metal complexes become less resistive to the microbial activities as compared to the free ligands.…”
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  11. 1171

    Study on Mechanism of Viscoelastic Polymer Transient Flow in Porous Media by Huiying Zhong, Weidong Zhang, Hongjun Yin, Haoyang Liu

    Published 2017-01-01
    “…These models capture the complexity and topology of porous media geometry. We establish a mathematical model for transient flows of viscoelastic polymers using computational fluid dynamics simulations, and we study the distributions of pressure and velocity for different elasticity scenarios and different flooding process. …”
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  12. 1172

    Analysis of Naturally Occurring Radioactive Material (NORM) in shifting earth layers in Piyungan, Bantul by Iqbal Nurrahim, Andang Widi Harto, Yohannes Sardjono, Isman Mulyadi Triatmoko, Zuhdi Ismail, Gede Sutresna Wijaya

    Published 2025-02-01
    “…We developed a radon well geometry for Piyungan using Finite Element Method principles, and conducted simulations via GNU Octave to assess normal and anomalous conditions. …”
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    Article
  13. 1173

    Seismic Performance-Based Evaluation of Cold-Rolled Steel Structures by Samira Zekri, Javad Salajegheh

    Published 2022-01-01
    “…The uncertainty in the geometry of the members decreases with the increase of classes.…”
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  14. 1174

    Propagation Mechanism Modeling in the Near-Region of Arbitrary Cross-Sectional Tunnels by Ke Guan, Zhangdui Zhong, Bo Ai, Ruisi He, Yuanxuan Li, César Briso Rodríguez

    Published 2012-01-01
    “…Then, by conjunctively employing the propagation theory and the three-dimensional solid geometry, the paper presents a general model for the dividing point between two propagation mechanisms. …”
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  15. 1175

    Boundary Layer of Photon Absorption Applied to Heterogeneous Photocatalytic Solar Flat Plate Reactor Design by Héctor L. Otálvaro-Marín, Miguel Angel Mueses, Fiderman Machuca-Martínez

    Published 2014-01-01
    “…This study provides information to design heterogeneous photocatalytic solar reactors with flat plate geometry used in treatment of effluents and conversion of biomass to hydrogen. …”
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  16. 1176

    The New Plastic Flow Machining Process for Producing Thin Sheets by Viet Q. Vu, Yan Beygelzimer, Roman Kulagin, Laszlo S. Toth

    Published 2018-01-01
    “…In the present paper, the role of the die geometry is investigated by studying the effects of the produced sheet thickness (h) on the material properties of commercial pure Aluminum (Al1050) processed by PFM. …”
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  17. 1177

    Developing Mobile BIM/2D Barcode-Based Automated Facility Management System by Yu-Cheng Lin, Yu-Chih Su, Yen-Pei Chen

    Published 2014-01-01
    “…Building information modeling (BIM) uses precise geometry and relevant data to support the facilities depicted in three-dimensional (3D) object-oriented computer-aided design (CAD). …”
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  18. 1178

    Multiple Spacecraft Formation Flying Control around Artificial Equilibrium Point Using Propellantless Approach by Lei Zhao, Changqing Yuan, Xiaoming Li, Jingjiu He

    Published 2022-01-01
    “…To properly allocate control inputs, a novel optimal allocation scheme is designed to calculate the charge product of the spacecrafts and sail attitude angles, which can make the magnitude of the acceleration required from the Coulomb propulsion system minimum and avoid formation geometry instabilities by balancing electrostatic interaction between adjacent spacecraft. …”
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  19. 1179

    Effect of infill pattern on the microstructure and properties of copper processed through metal fused filament fabrication technique by Salethkumar Jasper, Manickam Ravichandran, Chander Prakash, N. Radhika

    Published 2025-03-01
    “…The future of production could be greatly impacted by additive manufacturing (AM) because of its advantages, such as reduced material usage, flexible geometry, and automation in the industry. Metal fused filament fabrication (MFFF) is one of the promising AM method for creating metallic components in an accessible and affordable manner. …”
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  20. 1180

    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
    “…Abstract We report entangling two-qubit experiments implemented in a novel ring resonator architecture in 2D planar geometry. The ring resonator acts as a multi-path coupler between qubits and can provide beyond nearest neighbour interactions. …”
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    Article