Showing 1,101 - 1,120 results of 1,758 for search '"geometry"', query time: 0.05s Refine Results
  1. 1101

    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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  2. 1102

    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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  3. 1103

    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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  4. 1104

    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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  5. 1105

    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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  6. 1106

    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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  7. 1107

    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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  8. 1108

    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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  9. 1109

    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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  10. 1110

    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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  11. 1111

    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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  12. 1112

    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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  13. 1113

    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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  14. 1114

    Comparative acoustic analysis of standard and innovative air diffusers with enhanced mixing capabilities by Joldos Titus Otniel, Danca Paul, Cernei Alexandru

    Published 2025-01-01
    “…This study addresses the challenge of designing a high-induction air diffuser with a complex geometry that effectively mixes and entrains more ambient air, raising concerns about potential noise increase. …”
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  15. 1115

    Comparative analysis of flow patterns in off-design planar and conical nozzle by San L. Tolentino, Jorge Mírez

    Published 2025-01-01
    “…These findings provide insights into the impact of nozzle geometry on flow characteristics under off-design conditions. …”
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  16. 1116

    Experimental and Theoretical Studies on the Structure and Photoluminescent Properties of New Mononuclear and Homodinuclear Europium(III) β-Diketonate Complexes by João P. Martins, Pablo Martín-Ramos, Pedro Chamorro-Posada, Pedro S. Pereira Silva, Jesús Martín-Gil, Salvador Hernández-Navarro, Manuela Ramos Silva

    Published 2015-01-01
    “…The experimental data has then been used to test the recently released LUMPAC software, a promising tool which can facilitate the design of more efficient lanthanide light-conversion molecular devices by combining ground state geometry, excited state energy, and luminescent properties calculations.…”
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  17. 1117

    Investigation on Crack Coalescence Behaviors for Granite Containing Two Flaws Induced by Cyclic Freeze-Thaw and Uniaxial Deformation in Beizhan Iron Mining, Xinjing, China by Y. Wang, C. H. Li

    Published 2020-01-01
    “…This work is aimed at investigating the effect of freeze-thaw (F-T) cycle on the crack coalescence behavior for granite samples containing two unparallel flaws under uniaxial compression. The flaw geometry in the samples was a combination of an upper inclined flaw with a horizontal flaw underneath. …”
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  18. 1118

    A Patient Specific Biomechanical Analysis of Custom Root Analogue Implant Designs on Alveolar Bone Stress: A Finite Element Study by David Anssari Moin, Bassam Hassan, Daniel Wismeijer

    Published 2016-01-01
    “…Within the limitations of the applied methodology, adding targeted press-fit geometry to the RAI standard design will have a positive effect on stress distribution, lower concentration of bone stress, and will provide a better primary stability for this patient specific case.…”
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  19. 1119

    Real-Time 3D Simulation for the Trawl Fishing Gear Based on Parallel Processing of Sonar Sensor Data by Myeong-Chul Park, Ok-Kyoon Ha, Seok-Wun Ha, Yong-Kee Jun

    Published 2014-07-01
    “…This tool also offers different underwater geometries for each fishing gear through a multiview display. …”
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  20. 1120

    Coseismic Deformation Responses due to Geometrical Structure and Heterogeneity of the Accretionary Wedge: Study Case 2010 Mentawai Earthquake, West Sumatra, Indonesia by Alvina K. Kuncoro, Wahyu Srigutomo, Umar Fauzi

    Published 2023-01-01
    “…We examined the impact of the accretionary wedge geometry and material properties by considering the wedge as a single different property separated from the continental plate. …”
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