Showing 2,061 - 2,080 results of 2,426 for search '"geometry"', query time: 0.07s Refine Results
  1. 2061

    Syntheses and structures of two coordination polymers formed by Ni(cyclam)2+ cations and sulfate anions by Liudmyla V. Tsymbal, Irina L. Andriichuk, Lucian G. Bahrin, Yaroslaw D. Lampeka

    Published 2025-02-01
    “…Two O atoms of the sulfate anions occupy the trans-axial positions resulting in a slightly tetragonally distorted trans-NiN4O2 octahedral coordination geometry. The crystals of both compounds are composed of parallel coordination polymeric chains running along the [101] and [100] directions in I and II, respectively. …”
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  2. 2062

    Three-Dimensional Aeroelastic Investigation of a Novel Convex Bladed H-Darrieus Wind Turbine Based on a Two-Way Coupled Computational Fluid Dynamics and Finite Element Analysis App... by Tarek Elbeji, Wael Ben Amira, Khaled Souaissa, Moncef Ghiss, Hatem Bentaher, Nabil Ben Fredj

    Published 2025-01-01
    “…This study aims at investigating the dynamic aerostructure influence on a novel convex-bladed H-Darrieus geometry. The results are compared to a straight-bladed baseline rotor. …”
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  3. 2063

    Research on the evolution and prediction of the heights of water-conducting fracture zones in overlying rocks during layered mining of extremely thick coal seams by MENG Hailun, CHENG Xianggang, QIAO Wei

    Published 2024-12-01
    “…Based on the geological conditions of the extremely thick coal seams in the Jurassic coalfields of Xinjiang, this research selected the parameters of the typical working face 9-15 (08) in the Liuhuanggou Coal Mine of the Zhunnan Coalfield in Xinjiang, quantitatively evaluated the development characteristics and evolution patterns of the overlying rock fracture fields under layered full-mechanized mining of extremely thick coal seams through numerical simulations and fractal geometry theory analysis. A prediction model was developed for the heights of water-conducting fracture zones in layered mining of extremely thick coal seams based on particle swarm optimization support vector machine regression (PSO-SVR). …”
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  4. 2064

    Synthesis and Characterization of New Palladium(II) Thiosemicarbazone Complexes and Their Cytotoxic Activity against Various Human Tumor Cell Lines by Wilfredo Hernández, Juan Paz, Fernando Carrasco, Abraham Vaisberg, Evgenia Spodine, Jorge Manzur, Lothar Hennig, Joachim Sieler, Steffen Blaurock, Lothar Beyer

    Published 2013-01-01
    “…Complex 6 shows a square planar geometry with two deprotonated ligands coordinated to PdII through the azomethine nitrogen and thione sulfur atoms in a cis arrangement. …”
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  5. 2065
  6. 2066

    CFD-Modeling of the Airfoil of the Blades of a Wind Power Plant with a Vertical Axis in the Ansys Fluent System by G. N. Uzakov, V. A. Sednin, A. B. Safarov, R. A. Mamedov, I. A. Khatamov

    Published 2024-04-01
    “…The DU-06-W-200 airfoil was simulated with angles of attack ranging from –15° to +15°, boundary conditions and input flow rate being of 15 m/s, operating temperature – of 23 °C, operating pressure – of 1·105 Pa, air flow rate – of 1.23 kg/m3 (airfoil chord length is of 1 m, dynamic viscosity of the air flow is 1.7894·10–5 kg/(m·s) and the type of turbulent models is SST k – omega (k – ω), k – epsilon (k – ε), whereas Reynolds number is 1.05·106). A two-dimensional geometry domain and a grid profile for the DU-06-W-200 airfoil have been created, with the number of nodes in the grid 37495 and the number of elements 36790. …”
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  7. 2067

    Non-Linear Biomechanical Evaluation and Comparison in the Assessment of Three Different Piece Dental Implant Systems for the Molar Region: A Finite Element Study by Jesus Alejandro Serrato-Pedrosa, Ignacio Villanueva-Fierro, Rodrigo Arturo Marquet-Rivera, Rosa Alicia Hernández-Vázquez, Salvador Cruz-Lopez, Verónica Loera-Castañeda

    Published 2025-01-01
    “…On the other hand, the effects generated in biological tissues are strongly associated with implant geometry features. This biomechanical approach could provide a promising strategy for predicting micro-strains and micromotion in implant system pieces and geometries. …”
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  8. 2068

    The Electroanatomic Volume of the Left Atrium as a Determinant of Recurrences in Patients with Atrial Fibrillation After Pulmonary Vein Isolation: A Prospective Study by Amaia Martínez León, David Testa Alonso, María Salgado, Ruth Álvarez Velasco, Minel Soroa, Daniel Gracia Iglesias, David Calvo

    Published 2024-12-01
    “…Electroanatomic mapping (EAM) offers a more accurate evaluation of LA geometry and volume, which may enhance the prediction of ablation outcomes. …”
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  9. 2069

    Performance simulation study of plastic scintillator arrays for stability monitoring applications by Z. Chen, Z.W. Pan, Z. Wang, Z.Y. He, Z.B. Lin, T.Y. Yang, Y. Wang, Z.Y. Zhang, J.D. Liu, S.B. Liu, B.J. Ye, L.W. Chen, Y.H. Yu

    Published 2025-01-01
    “…The impacts of the scintillator geometry and spatial placement on the stability monitoring precision are carefully studied using Geant4 simulations. …”
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  10. 2070

    Image depth estimation assisted by multi-view projection by Liman Liu, Jinshan Tian, Guansheng Luo, Siyuan Xu, Chen Zhang, Huaifei Hu, Wenbing Tao

    Published 2024-12-01
    “…The network estimates optical flow for pixel-level matching across views, thereby projecting the features of neighboring views to the reference viewpoints for self-attentive feature aggregation, compensating for the lack of stereo geometry information in the image depth estimation framework. …”
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  11. 2071

    Aqueous foams in microgravity, measuring bubble sizes by Pasquet, Marina, Galvani, Nicolo, Pitois, Olivier, Cohen-Addad, Sylvie, Höhler, Reinhard, Chieco, Anthony T., Dillavou, Sam, Hanlan, Jesse M., Durian, Douglas J., Rio, Emmanuelle, Salonen, Anniina, Langevin, Dominique

    Published 2023-05-01
    “…The relation between the measured diffuse transmitted light intensity and $\ell ^*$ previously derived for slab-shaped samples of infinite lateral extent does not apply to the cuboid geometry of the cells used in the microgravity experiment. …”
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  12. 2072

    A numerical investigation for heat transfer enhancement possibility for a novel perforated twisted hyperbolic turbulator (PTHT) inside a heated tube by Bing Mei, Azher M. Abed, Pinank Patel, Ankur Kulshreshta, Hamdi Ayed, Abir Mouldi, Ibrahim Mahariq

    Published 2025-01-01
    “…This study unveils a specialised swirl flow generator called the twisted hyperbolic turbulator for implementation in heat exchangers. The design of this geometry aims to induce bidirectional swirling flow. …”
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  13. 2073

    Uncovering the Hidden Physical Structures and Protostellar Activities in the Low-metallicity S284-RE Region: Results from ALMA and JWST by O. R. Jadhav, L. K. Dewangan, Aayushi Verma, N. K. Bhadari, A. K. Maity, Saurabh Sharma, Mamta

    Published 2025-01-01
    “…The driving sources of these outflows are identified based on outflow geometry, Atacama Large Millimeter/submillimeter Array (ALMA) continuum peaks, and YSO positions. …”
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  14. 2074

    Advanced process control in laser-based powder bed fusion–Smart Fusion feedback-loop control as a path to uniform properties for complex structures? by Florian Nahr, Tobias Novotny, Dominik Kunz, Ulrich Kleinhans, Lova Chechik, Dominic Bartels, Michael Schmidt

    Published 2025-01-01
    “…Gray value profiles of the open-loop complex parts revealed large variations in temperature and geometry dependent differences in microstructure. The Smart Fusion feedback-loop control lead to a more constant temperature profile. …”
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  15. 2075

    A Navier–Stokes-Informed Neural Network for Simulating the Flow Behavior of Flowable Cement Paste in 3D Concrete Printing by Tianjie Zhang, Donglei Wang, Yang Lu

    Published 2025-01-01
    “…The NSINN is also utilized in studying the relationship between geometry and extrudability. The ratio (R = 0.25, 0.5, and 0.75) between the diameter of the outlet and that of the domain is studied. …”
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  16. 2076

    Radial Evolution of Interplanetary Shock Properties with Heliospheric Distance: Observations from Parker Solar Probe by Oksana Kruparova, Adam Szabo, Lan K. Jian, František Němec, Jana Šafránková, Zdeněk Němeček, Jacob Pasanen, Ayris Narock, Vratislav Krupar

    Published 2025-01-01
    “…These findings provide new insights into the dynamic processes governing shock evolution in the inner heliosphere, including scenarios where the near-radial magnetic field geometry may lead to predominantly quasi-parallel shock configurations and thus affect near-Sun particle acceleration efficiency. …”
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  17. 2077

    New Dihydro OO'Bis(Salicylidene) 2,2' Aminobenzothiazolyl Borate Complexes: Kinetic and Voltammetric Studies of Dimethyltin Copper Complex with Guanine, Adenine, and Calf Thymus DN...

    Published 2006-01-01
    “…The spectroscopic data support square planar environment around the <mml:math alttext="chem{Cu^{II}}"> <mml:msup> <mml:mtext>Cu</mml:mtext> <mml:mrow> <mml:mtext>II</mml:mtext> </mml:mrow> </mml:msup> </mml:math> atom, while the <mml:math alttext="chem{Sn^{IV}}"> <mml:msup> <mml:mtext>Sn</mml:mtext> <mml:mrow> <mml:mtext>IV</mml:mtext> </mml:mrow> </mml:msup> </mml:math> atom acquires pentacoordinate geometry. The interaction of complex (5) with guanine, adenine, and calf thymus DNA was studied by spectrophotometric, electrochemical, and kinetic methods. …”
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  18. 2078

    Les aqueducs de Lyon dans la Carte archéologique nationale : une démarche au service de la recherche by Delphine Bellanca-Penel

    Published 2023-12-01
    “…This work now ensures better protection of this linear layout through more a precise targeting of archaeological operation prescriptions, which in turn engender improved knowledge of these vestiges.By changing the geometry of a ZPPA which has already been revised, new archaeological diagnostic surveys may thus also lead to changes, again related to the layout of the aqueduct. …”
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  19. 2079

    Behaviour of a speargun with a novel muzzle by V. Nigrelli, M. Mucera, T. Ingrassia

    Published 2013-10-01
    “…Thanks to the particular geometry of the new muzzle, one of the front constraints of the elastic bands is moved to the lower part of the barrel or the handle.As a consequence, the scheme of the loads applied on the speargun remarkably changes passing from a standard muzzle to a roller one. …”
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  20. 2080

    Evaluation of Root Canal Diameters and Radicular Wall Thickness of the Human Primary Molars by using Multidetector Computed Tomography: A Cross-sectional Study by Piyali Datta, Shabnam Zahir, Kaushik Dutta, Pratik Kumar Lahiri, Sudipta Kar, Biswaroop Chandra, Trishik Basak, Shreya Tripathi

    Published 2025-01-01
    “…Endodontic treatment of human primary molars with varying internal geometry of the root canal necessitates extensive knowledge and skills. …”
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