Showing 1,541 - 1,560 results of 2,426 for search '"geometry"', query time: 0.05s Refine Results
  1. 1541

    One‐Dimensional Variational Ionospheric Retrieval Using Radio Occultation Bending Angles: 1. Theory by I. D. Culverwell, S. B. Healy, S. Elvidge

    Published 2024-01-01
    “…This new, general retrieval method is applicable to both standard GNSS‐RO retrieval problems, and the truncated geometry of EUMETSAT's Metop Second Generation (Metop‐SG), which will provide GNSS‐RO measurements up to about 600 km above the surface. …”
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    Article
  2. 1542

    The Effects of Dynamic Loading on Hysteretic Behavior of Frictional Dampers by Hamid Rahmani Samani, Masoud Mirtaheri, Amir Peyman Zandi, Hamid Bahai

    Published 2014-01-01
    “…The verified numerical models are used to improve the geometry of the CFD. With the geometrical improvements implemented, the subsequent numerical studies confirmed that almost no degradation of the slippage load occurred. …”
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    Article
  3. 1543

    On organization of differentiated mathematics education for future engineers by T. I. Bova, E. N. Drozdovich, O. I. Kuzmenko

    Published 2018-12-01
    “…These can be applied while studying «Analytic geometry»…”
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    Article
  4. 1544

    Pointing Sensors and Sun Tracking Techniques by D. Fontani, P. Sansoni, F. Francini, D. Jafrancesco, L. Mercatelli, E. Sani

    Published 2011-01-01
    “…The sun tracking method is essentially chosen on the base of collection geometry and optical system configuration. A simple, useful, and original technique to realise sun tracking is proposed. …”
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    Article
  5. 1545

    Threading Dislocations Piercing the Free Surface of an Anisotropic Hexagonal Crystal: Review of Theoretical Approaches by Salem Neily, Sami Dhouibi, Roland Bonnet

    Published 2018-01-01
    “…For this particular geometry, easy-to-use expressions are derived and compared to a third approach previously known for a plate-like crystal. …”
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    Article
  6. 1546

    Self-Assembled Monolayers for Dental Implants by Sidónio C. Freitas, Alejandra Correa-Uribe, M. Cristina L. Martins, Alejandro Pelaez-Vargas

    Published 2018-01-01
    “…., the synthetic chemistry of organic compounds with a wide range of functional groups is well established and in general very simple, being commercially available), combined with the simple methods to pattern their functional groups on complex geometry appliances, makes them a good system for fundamental studies regarding the interaction between surfaces, proteins, and cells, as well as to engineering surfaces in order to develop new biomaterials.…”
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    Article
  7. 1547

    Numerical study of crack path by MMCG specimen using M integral by S. El Kabir, R. Moutou Pitti, N. Recho, Y. Lapusta, F. Dubois

    Published 2016-01-01
    “…The main goal of this geometry is to propose a decrease of the energy release rate during the crack growth process. …”
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    Article
  8. 1548

    QUANTITATIVE STRUCTURE-ACTIVITY RELATIONSHIP AND MOLECULAR DOCKING STUDIES OF HYDROXAMIC ACID DERIVATIVES AS NOVEL CLASS INHIBITORS AGAINST HELICOBACTER PYLORI UREASE by Ibrahim Tijjani Ibrahim, Adamu Uzairu, Balarabe Sagagi

    Published 2019-12-01
    “…Density Functional Theory (DFT) using B3LYP/6-31G* quantum chemical calculation method was used to find the optimized geometry of the studied compounds. Eight types of molecular descriptors were used to find out the relation between antipeptic ulcer (APU) activity and structural properties. …”
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    Article
  9. 1549

    Multiobjective Synthesis of Steerable UWB Circular Antenna Array considering Energy Patterns by Leopoldo A. Garza, Marco A. Panduro, David H. Covarrubias, Alberto Reyna

    Published 2015-01-01
    “…In order to obtain an energy pattern with low side lobe level and a desired main beam, the synthesis presented is performed by optimizing the true-time delays and amplitude coefficients for the antenna elements in a circular geometry. The method of Differential Evolution for Multiobjective Optimization (DEMO) is used as the optimization algorithm in this work. …”
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    Article
  10. 1550

    A Two-Dimensional Cell Model of Phases Transport in a Fluidized Bed Column: Development and Validation by Andrey Mitrofanov

    Published 2025-11-01
    “…The representative volume of such geometry is apparently used for modeling the motion of fluidized bed phases for the first time. …”
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    Article
  11. 1551

    Synthesis, Spectroscopic Characterisation, and Biopotential and DNA Cleavage Applications of Mixed Ligand 4-N,N-Dimethylaminopyridine Metal Complexes by C. Surendra Dilip, K. Manikandan, D. Rajalaxmi (a) Subahashini, R. Thiruneelakandan

    Published 2013-01-01
    “…From the magnetic moment measurements and the electronic spectral data, a distorted octahedral geometry was proposed for the complexes. The complexes express similar trend of thermal behaviour such that they lose water of hydration initially with the subsequent emission of organic and inorganic fragments and leave left the metal oxides as residue. …”
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  12. 1552

    Theoretical Study of the π-Bridge Influence with Different Units of Thiophene and Thiazole in Coumarin Dye-Sensitized Solar Cells by Rody Soto-Rojo, Jesús Baldenebro-López, Daniel Glossman-Mitnik

    Published 2016-01-01
    “…Eight coumarin derivative dyes were studied by varying the π-bridge size with different thiophene and thiazole units for their potential use in dye-sensitized solar cells (DSSC). Geometry optimization, the energy levels and electron density of the Highest Occupied Molecular Orbital and the Lowest Unoccupied Molecular Orbital, and ultraviolet-visible absorption spectra were calculated by Density Functional Theory (DFT) and Time-Dependent-DFT. …”
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    Article
  13. 1553

    Dioxaphosphorinane-Constrained Nucleic Acid Dinucleotides as Tools for Structural Tuning of Nucleic Acids by Dan-Andrei Catana, Brice-Loïc Renard, Marie Maturano, Corinne Payrastre, Nathalie Tarrat, Jean-Marc Escudier

    Published 2012-01-01
    “…We describe a rational approach devoted to modulate the sugar-phosphate backbone geometry of nucleic acids. Constraints were generated by connecting one oxygen of the phosphate group to a carbon of the sugar moiety. …”
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    Article
  14. 1554

    Algorithm for preliminary processing of charge coupled devices array data based on the adaptive Wiener filter by Hl. S. Litvinovich, I. I. Bruchkouski

    Published 2021-03-01
    “…The practical application of the algorithm has reduced the uncertainty in the vegetation index NDVI by 1.5 times when recording the reflection spectra of vegetation from the aircraft in the nadir measurement geometry.…”
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  15. 1555

    Negative Ion Beam Emittance Calculations by M. Turek, P. Węgierek

    Published 2020-03-01
    “…The aim of the paper was to study changes of produced beam quality (described by its emittance and brightness) with the geometry of the extraction system as well as extraction voltage.A two-dimensional Particle-in-Cell (PIC) method based code was applied to model Hions and electrons extraction from the ion source plasma chamber through the opening with bevelled surface. …”
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    Article
  16. 1556

    Microscopic Simulation-Based High Occupancy Vehicle Lane Safety and Operation Assessment: A Case Study by Chao Li, Mohammad Karimi, Ciprian Alecsandru

    Published 2018-01-01
    “…It is shown that the proposed alternative geometry design efficiently ameliorates the traffic conflicts issues. …”
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    Article
  17. 1557

    An Experimental Study on the Microstructures of Cemented Paste Backfill during Its Developing Process by Bo Zhang, Jie Xin, Lang Liu, Lijie Guo, Ki-Il Song

    Published 2018-01-01
    “…The aim of this study was to examine the microstructure of cemented paste backfill (CPB) during its development and relate the characteristics of the microstructure to the physical and mechanical properties of CPB. The geometry and morphology of the microstructures of CPB were observed by the scanning electron microscopy (SEM). …”
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  18. 1558

    Second-order optical differentiation of a 3D light beam at oblique incidence using a multilayer metal-dielectric structure by A.I. Kashapov, L.L. Doskolovich, E.A. Bezus, N.V. Golovastikov, D.A. Bykov

    Published 2023-12-01
    “…We investigate the optical implementation of a second-order differentiation operation using a metal-dielectric layered structure in the oblique incidence geometry. It is shown that the transformation of the profile of a three-dimensional light beam occurring upon its reflection from a layered structure can be described using the theory of linear systems. …”
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    Article
  19. 1559

    Increasing the level of mathematical training to study in higher technical educational institution by Anastasiya A. Zhikhareva

    Published 2018-03-01
    “…The profile level has 19 different tasks, including 5 tasks on geometry. The aim is to attract applicants with fundamental scientific knowledge required in the process of studying at a university. …”
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    Article
  20. 1560

    Crystal and Molecular Structure of Bis(2,2-diphenyl-N-(di-n-propylcarbamothioyl) acetamido)copper(II) Complex by Hakan Arslan, Ulrich Flörke, Demet Sezgin Mansuroglu

    Published 2011-01-01
    “…This coordination has a slightly distorted square-planar geometry (O1-Cu1-O2: 86.48(11)°, O1-Cu1-S1: 93.85(9)°, O2-Cu1-S2: 94.20(9)° and S1-Cu1-S2: 91.21(4)°). …”
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