Showing 441 - 460 results of 1,928 for search '"atom"', query time: 0.07s Refine Results
  1. 441

    Synthesis, Spectral, and In Vitro Antibacterial Studies of Organosilicon(IV) Complexes with Schiff Bases Derived from Amino Acids by Har Lal Singh, Jangbhadur Singh, A. Mukherjee

    Published 2013-01-01
    “…The analytical and spectral data suggest trigonal bipyramidal geometry around the silicon atom in the resulting complexes. The ligands and their organosilicon complexes have also been evaluated for in vitro antimicrobial activity against bacteria (Bacillus cereus, Nocardia spp., E. aerogenes, Escherichia coli, Klebsiella spp., and Staphylococcus spp.). …”
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  2. 442

    Topological Indices of Derived Networks of Benzene Ring Embedded in P-Type Surface on 2 D by Feng Yin, Muhammad Numan, Saad Ihsan Butt, Adnan Aslam, Andleeb Kausar

    Published 2021-01-01
    “…This structure is the simplest possible tilling of the periodic minimal surface P which contains one type of carbon atom. In this paper, we compute general Randić, general Zagreb, general sum-connectivity, first Zagreb, second Zagreb, and ABC and GA indices of two operations (simple medial and stellation) of 2 D network of benzene ring. …”
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  3. 443

    Investigation of chitin grafting: thermal, antioxidant and antitumor properties by Nevin Çankaya, Mehmet Mürşit Temüz, Burak Can

    Published 2025-01-01
    “…Then, graft copolymers of methacrylamide (MAM), diacetone acrylamide (DAAM), N-(4-nitrophenyl)acrylamide (NPA), and 2-hydroxyethyl methacrylate (HEMA) monomers were synthesized by atom transfer radical polymerization (ATRP). All of the polymers were characterized by FTIR spectra and elemental analysis. …”
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  4. 444

    Long-time error-mitigating simulation of open quantum systems on near term quantum computers by Brian Rost, Lorenzo Del Re, Nathan Earnest, Alexander F. Kemper, Barbara Jones, James K. Freericks

    Published 2025-01-01
    “…We simulate two systems of electrons coupled to an infinite thermal bath: 1) a system of dissipative free electrons in a driving electric field; and 2) the thermalization of two interacting electrons in a single orbital in a magnetic field—the Hubbard atom. These problems are solved using IBM quantum computers, showing no signs of decreasing fidelity at long times. …”
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  5. 445

    Insulator phases of Bose-Fermi mixtures induced by intraspecies next-neighbor interactions by Felipe Gómez-Lozada, Roberto Franco, Jereson Silva-Valencia

    Published 2025-01-01
    “…Our results can inspire or contribute to understanding experiments in cold-atom setups with long-range interactions or recent reports involving quasiparticles in semiconductor heterostructures.…”
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  6. 446

    2D-QSAR Analysis of Oxadiazole Substituted α-Isopropoxy phenylpropionic Acids as PPAR-α & PPAR-λ Agonists by Soni L. K., Gupta A. K., Kaskhedikar S. G.

    Published 2004-01-01
    “…The increment in the number of carbon atom (indicative variable) between the oxadiazole tail and central phenoxy moiety increases the PPAR-λ agonist activity whereas decreases the PPAR-α agonist activity…”
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  7. 447

    Effects of Aluminum on Hydrogen Solubility and Diffusion in Deformed Fe-Mn Alloys by C. Hüter, S. Dang, X. Zhang, A. Glensk, R. Spatschek

    Published 2016-01-01
    “…Both for diffusivity and solubility of hydrogen, we find that the influence of the substitutional Al atom has both local chemical and nonlocal volumetric contributions.…”
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  8. 448

    Method for the Calculation of DPA in the Reactor Pressure Vessel of Atucha II by J. A. Mascitti, M. Madariaga

    Published 2011-01-01
    “…In this paper, we identify the areas where the RPV neutron radiation is maximum and perform calculations of the displacement-per-atom (DPA) rate in those areas using the MCNP5 code. …”
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  9. 449

    Tin(IV) Complexes of Schiff Base Derived from Amino Acid: Synthesis and Characteristic Spectral Studies by Robina Aman, Garima Matela

    Published 2013-01-01
    “…In these complexes, the tin(IV) centre is bonded to oxygen atom of the hydroxyl or carboxylate group. The spectra data suggest that the carboxylate group is coordinated to tin(IV) centre in monodentate manner.…”
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  10. 450

    Angiotensin-I-Converting Enzyme Inhibitory and Antioxidant Activities of Protein Hydrolysate from Muscle of Barbel (Barbus callensis) by Assaad Sila, Anissa Haddar, Oscar Martinez-Alvarez, Ali Bougatef

    Published 2013-01-01
    “…These results obtained by in vitro systems obviously established the antioxidant potency of barbel hydrolysate to donate electron or hydrogen atom to reduce the free radical. Furthermore, these bioactive substances can be exploited into functional foods or used as source of nutraceuticals.…”
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  11. 451

    On some extended energy of graphs and their applications by Sarkar Prosanta, Dey Arindam, Kumar Shiv, Pal Anita

    Published 2024-01-01
    “…In this paper, we established a relation between the extended energy of graphs such as the first and second Zagreb energy, Randić energy, reciprocal Randić energy, and the atom-bond connectivity energy with some thermodynamic properties of benzenoid hydrocarbons. …”
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  12. 452

    Interesting Examples of Violation of the Classical Equivalence Principle but Not of the Weak One by Antonio Accioly, Wallace Herdy

    Published 2018-01-01
    “…., Greenberger gravitational Bohr atom and the tree-level scattering of different quantum particles by an external weak higher-order gravitational field, are thoroughly investigated afterwards. …”
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  13. 453

    Response to: Comment on “Does the Equivalence between Gravitational Mass and Energy Survive for a Composite Quantum Body?” by A. G. Lebed

    Published 2017-01-01
    “…A spacecraft moves protons of a macroscopic ensemble of hydrogen atoms with constant velocity in the Earth’s gravitational field. …”
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  14. 454

    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. …”
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  15. 455

    Implementation of a Transform-Minutiae Fusion-Based Model for Fingerprint Recognition by Justice Kwame Appati, Prince Kofi Nartey, Ebenezer Owusu, Ismail Wafaa Denwar

    Published 2021-01-01
    “…The first transform technique, thus wave atom transform, was used for data smoothing while the second transform, thus wavelet, was used for feature extraction. …”
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  16. 456
  17. 457

    On Topological Indices for New Classes of Benes Network by Aftab Hussain, Muhammad Numan, Nafisa Naz, Saad Ihsan Butt, Adnan Aslam, Asfand Fahad

    Published 2021-01-01
    “…We derive analytical close formulas for general Randić connectivity index, general Zagreb, first and the second Zagreb (and multiplicative Zagreb), general sum connectivity, atom-bond connectivity (VCBr), and geometric arithmetic ABC index of the two classes of Benes networks. …”
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  18. 458

    Ion-Exchange Membranes Based on Polynorbornenes with Fluorinated Imide Side Chain Groups by Arlette A. Santiago, Joel Vargas, Mikhail A. Tlenkopatchev, Mar López-González, Evaristo Riande

    Published 2012-01-01
    “…This study was extended to a block copolymer containing structural units with phenyl and 4-oxybenzenesulfonic acid, 2,3,5,6-tetrafluorophenyl moieties replacing the hydrogen atom of the dicarboximide group. A thorough study on the electrochemical characteristics of the membranes involving electromotive forces of concentration cells and proton conductivity is reported. …”
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  19. 459

    Isoflavones and Isoflavone Glycosides: Structural-Electronic Properties and Antioxidant Relations—A Case of DFT Study by Son Ninh The, Thanh Do Minh, Trang Nguyen Van

    Published 2019-01-01
    “…Antioxidant activities are mostly driven by O-H bond dissociation enthalpy (BDE) following hydrogen atom transfer (HAT) mechanism. Antioxidant ability can be arranged in the following order: compounds (4) > (3) > (2) > (1). …”
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  20. 460

    Thermodynamic and Elastic Properties of Interstitial Alloy FeC with BCC Structure at Zero Pressure by Bui Duc Tinh, Nguyen Quang Hoc, Dinh Quang Vinh, Tran Dinh Cuong, Nguyen Duc Hien

    Published 2018-01-01
    “…The theoretical results are applied to interstitial alloy FeC in the interval of temperature from 100 to 1000 K and in the interval of interstitial atom concentration from 0 to 5%. In special cases, we obtain the thermodynamic quantities of main metal Fe with BCC structure. …”
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