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561
Possibility of persistent current in S-states
Published 2024-06-01“…Abstract In this study, we investigate the profound impact of the Pöschl–Teller double-ring-shaped Coulomb (PTDRSC) potential to induce persistent currents within the S-states of the hydrogenic atom. The confinement of the system is achieved through an impenetrable spherical boundary. …”
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562
Characterization of Pt-Pd/C Electrocatalyst for Methanol Oxidation in Alkaline Medium
Published 2011-01-01“…The enhanced electrocatalytic activity of the electrodes is ascribed to the synergistic effect of higher electrochemical surface area, preferred OH− adsorption, and ad-atom contribution on the alloyed surface.…”
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563
Highly Selective Synthesis of Chlorophenols under Microwave Irradiation
Published 2016-01-01“…A proposed reaction mechanism is deduced; one electron transfers from CuCl2 to phenol followed by the formation of tautomeric radical that can be rapidly captured by chlorine atom and converts into para-substituted product.…”
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564
Non-covalent organocatalyzed enantioselective cyclization reactions of α,β-unsaturated imines
Published 2024-12-01“…Asymmetric cycloaddition is a straightforward strategy which enables the synthesis of structurally distinct cyclic derivatives which are difficult to access by other methodologies, using an efficient and atom-economical path from simple precursors. In recent years several asymmetric catalytic cyclization strategies have been accomplished for the construction of N-heterocycles using various catalytic systems such as chiral metal catalysts, chiral Lewis acids or chiral organocatalysts. …”
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565
Study of Generalized Hourglass Section in Carbon Nanocone via Connection Number
Published 2021-01-01“…In the same report, they also discussed another numeric quantity depending on the number of atoms at a distance two from a particular atom and proved influencing results on π-energy of a molecule. …”
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566
Vibrational and Quantum Chemical Study of Triphenylantimony(V)-o-salicylate
Published 2008-01-01“…The study of vibrational spectra suggested that the title compound might have secondary bonding interaction between the central antimony atom and the carbonyl oxygen atoms. The atomic charge distribution, geometry optimization and thermochemistry, were also calculated by PM3 method, which help in finding the potential sites of the title compound.…”
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567
Exploring the influence of copper precursors and solvents on catalyst performance in the hydrogenation of hydroxyacetone to 1,2-Propanediol
Published 2025-01-01“…Characterization by TPR allowed the identification of an unexpected consumption of hydrogen per copper atom, which was associated to the ability to localize hydrogen. …”
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568
STRUCTURING OF EDUCATIONAL MATERIAL IN PHYSICS AT THE TECHNICAL UNIVERSITY
Published 2015-06-01“…In this paper, we propose a new method of structuring the teaching material in physics, while maintaining the traditional sequence of thematic modules: mechanical; thermodynamics and molecular physics (including elements of statistical physics); electricity and magnetism; waves, optics; quantum physics (including physics of the atom and elements of solid state physics); nuclear physics; physical picture of the world. …”
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569
Synthesis of a New Type of Trans-Decalin Vitamin D Analogue through a Dyotropic Ring Expansion
Published 2021-01-01“…A new vitamin D analogue with a trans-fused decalin as the CD-ring system and containing a sulphur atom in the side chain has been synthesized in our research group. …”
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570
A Novel Modulation Classification Approach Using Gabor Filter Network
Published 2014-01-01“…The Gabor filter network uses the network structure of two layers; the first layer which is input layer constitutes the adaptive feature extraction part and the second layer constitutes the signal classification part. The Gabor atom parameters are tuned using Delta rule and updating of weights of Gabor filter using least mean square (LMS) algorithm. …”
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571
Synthesis Characterization and Biological Investigations on Metal Complexes of 2-[(8-Hydroxy-1-quinolin-5-yl) methyl]-1H-isoindole-1, 3 (2H) dione
Published 2009-01-01“…Coordination of the ligand atom to the metal ion was deduced by IR and reflecting spectral data. …”
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572
Effect of defects such as vacancy with oxygen and adsorbed oxygen on electronic structure of graphene plane
Published 2020-09-01“…The article is devoted to the study of the effect of vacancytype defects with an oxygen atom attached to the graphene plane depending on the concentration of defects. …”
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573
On the Computation of Some Topological Descriptors to Find Closed Formulas for Certain Chemical Graphs
Published 2021-01-01“…In this research paper, we will compute the topological indices (degree based) such as the ordinary generalized geometric-arithmetic (OGA) index, first and second Gourava indices, first and second hyper-Gourava indices, general Randic´ index RγG,for γ=±1,±1/2, harmonic index, general version of the harmonic index, atom-bond connectivity (ABC) index, SK, SK1, and SK2 indices, sum-connectivity index, general sum-connectivity index, and first general Zagreb and forgotten topological indices for various types of chemical networks such as the subdivided polythiophene network, subdivided hexagonal network, subdivided backbone DNA network, and subdivided honeycomb network. …”
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574
Origin of Non-Gaussian Velocity Distribution Found in Freestanding Graphene Membranes
Published 2019-01-01“…From these results, a physical mechanism is provided for the non-Gaussian velocity distribution in terms of carbon atom arrangement in freestanding graphene. Moreover, a new theoretical foundation is proposed for future studies of the anomalous dynamics of carbon atoms in graphene membranes.…”
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575
Sampling electronic fock states using determinant quantum Monte Carlo
Published 2025-01-01“…Abstract Analog quantum simulation based on ultracold atoms in optical lattices has catalyzed significant breakthroughs in the study of quantum many-body systems. …”
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576
Molecular Descriptors on Line Graphs of Cactus Chains and Rooted Products Graphs
Published 2022-01-01“…The application of graph theory in the study of molecular physical and chemical properties involves theoretical mathematical chemistry. Atoms, represented by vertices, and edges, represented by bonds between them, are detailed in simple graphs called chemical graphs. …”
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577
QUANTUM TELEPORTATION OF ENTANGLED STATES VIA GENERALIZED PHOTON-ADDED PAIR COHERENT STATE
Published 2023-03-01“…In this paper, we study the quantum teleportation of an unknown atomic state based on the two-photon Jaynes-Cummings model, consisting of an effective two-level atom with a two-mode field in the generalized photon-added pair coherent state (GPAPCS). …”
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578
On the convergence of Fourier series
Published 1984-01-01“…Each bn is a special p-atom, that is, a real valued function, defined on (−π,π], which is either b(t)=1/2π or b(t)=−1|I|1/pXR(t)+1|I|1/pXL(t), where I is an interval in (−π,π], L is the left half of I and R is the right half. …”
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579
Graphene: A Multifunctional Nanomaterial with Versatile Applications
Published 2021-01-01“…Graphene is a 2D material of high quality obtained from a single atom with unique electronic properties. Graphene has the potential to improve the efficiency, versatility, and durability of a wide range of materials and their applications, but its commercial exploitation will require further study. …”
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580
Kinetics of Free Radical Polymerization of N-Substituted Amides and Their Structural Implications
Published 2016-01-01“…A peculiar aspect regards the steric hindrance at the nitrogen atom.…”
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