Showing 641 - 660 results of 1,471 for search 'diffusion composition', query time: 0.08s Refine Results
  1. 641

    PROCESSES OF OXYGEN DESOPRPTION IN HIGH-DENSITY LANTHANUM-STRONTIUM MANGANITE La<sub>0.6</sub>Sr<sub>0.4</sub>MnO<sub>3-</sub><sub>d</sub> by L. I. Gurskii, N. A. Kalanda, A. N. Chobot, Yu. V. Sukhodolov, G. M. Chobot, P. N. Kireev

    Published 2019-06-01
    “…Concentration dependence of the activation energy of oxygen diffusion is motivated by a formation of the stressed layer, placed near the surface of grains which are depleted with oxygen and at the same time they are a buffer for the oxygen diffusion.…”
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  2. 642

    Sex-selective abortions over the past four decades in China by Li Mei, Quanbao Jiang

    Published 2025-02-01
    “…The abortion of second-order female fetuses was the largest proportion of all sex-selective abortions but declined after 2000 partly due to the change in birth composition by order. Children's composition affected sex-selective practice. …”
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  3. 643

    SCALE AND SERPENT TWO-GROUP CROSS-SECTION DATA GENERATION by Ondřej Novák, Jan Frýbort, Lubomír Sklenka, Jan Rataj, Ondřej Chvála

    Published 2018-12-01
    “…Multiplication factor and several two-group macroscopic parameters including scattering cross-section, fission cross-section, total cross-section and diffusion coefficient were studied. In addition to this, fuel isotopic composition dependency on burnup was calculated as a part of this study. …”
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  4. 644

    Physico-Chemical Properties of Granular Sorbents Based on Natural Bentonite Modified by Polyhydroxocations of Aluminum and Iron (III) by Co-Precipitation by Bakytgul Kussainova, Gaukhar Tazhkenova, Ivan Kazarinov, Marina Burashnikova, Raigul Ramazanova, Yelena Ivashchenko, Bekzat Saurbayeva, Batima Tantybayeva, Ainur Seitkan, Gulsim Matniyazova, Khalipa Sadiyeva, Aisha Nurlybayeva, Aidana Bazarkhankyzy

    Published 2025-01-01
    “…Then the sorption process begins to proceed in a mixed diffusion mode, when it limits both the external diffusion factor and the internal diffusion factor (the diffusion of the sorbent to the active centers through the system of pores and capillaries). …”
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  5. 645

    THE STUDY OF CHEMICAL ASSEMBLY OF MACROMOLECULES IN POLYCONDENSATION OF DIFUNCTIONAL DIMETHYLSILANES by Е. М. Tarasova, A. V. Butuzov, A. A. Cherkasova, P. V. Ivanov

    Published 2016-02-01
    “…It is shown that as the conversion of functional groups in composition products increases the share of dimethylcyclosiloxanes and reaches more than 99% (when Xf →1). …”
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  6. 646

    Antioxidant and Antibacterial Activity of Tanacetum spp. Essential Oil and Chemical Components by Mostafa Alamholo1

    Published 2022-03-01
    “…This study investigated the chemical composition and antibacterial activity of Tanacetum lingulatum and Tanacetum polycephalum essential oils on human infectious bacteria. …”
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  7. 647

    The Hypertextual Process of Rewriting a Plurimedial Work: Joan Fuster and Vicent Garcés’ Ballet Marinada by Xavier Hernàndez i Garcia

    Published 2024-12-01
    “…Fuster’s intervention was decisive in providing the necessary literary quality that the work needed in order to win the 16th Joan Senent Ibañez award in 1972 and to have a greater diffusion. In this article, we intend, from a hypertextual perspective, to study the mechanisms that Fuster used in the process of rewriting Garcés’ text to turn a minor work into a composition recognised both musically and literarily. …”
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  8. 648

    Processes of Nucleation of Amorphous As-S Films at Condensation on Carbon Substrates by Рђ.V.В Dalekorej, V.P.В Ivanitsky, V.S.В Kovtunenko, Рњ.V.В Stoika

    Published 2017-10-01
    “…Therefore, when simulating the condensation processes, the As-S materials could be considered as a non-equilibrium two-dimensional gas with an extremely complicated chemical composition.…”
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  9. 649

    Computational and Experimental Studies into Concentration Limits of Associated Petroleum Gas Combustion by Bachev N.L., Matyunin O.O., Bulbovich R.V., Betinskaya O.A., Shilova A.A.

    Published 2019-08-01
    “…Computational and experi-mental studies into concentration limits of associated alternated composition petroleum gas combustion resulted in some recommendations on organizing stable diffusion and homogeneous combustion in one-, two- or three-zone combustion chambers.…”
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  10. 650

    New aspects of pathogenesis of respiratory dysfunction in case of chronic rheumatic heart disease by G. S. Taktashov

    Published 2015-06-01
    “…Physicochemical surface characteristics of expiratory composition were investigated and statistical analysis of obtained results was done. …”
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  11. 651

    Fabrication of Functionalized MOFs Incorporated Mixed Matrix Hollow Fiber Membrane for Gas Separation by Haitao Zhu, Xingming Jie, Yiming Cao

    Published 2017-01-01
    “…By optimizing dope composition, air gap distance, and bore fluid composition, MMHFM containing functionalized MIL-53 achieved excellent gas permeance and CO2/N2 selectivity. …”
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  12. 652

    The Antibacterial Potential of Ethyl Acetate Fraction from Plectranthus amboinicus Leaves and Identification of Active Compounds Using LC-MS by Rahma Diyan Martha, Yunita Diyah Safitri, Nasa Bela Dwi Lestari, Danar Danar, Hesty Parbuntari, Margarita Claudya Maida, Afidatul Muadifah, Choirul Huda

    Published 2024-06-01
    “…Therefore, this study aimed to determine the antibacterial activity of P. amboinicus leaves ethyl acetate fraction using the disc diffusion method and identify the composition with LC-MS. …”
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  13. 653

    Influence of Self-Heating on Landfill Leachate Migration by Yanina Parshakova, Ruslan Kataev, Natalya Kartavykh, Mikhail Viskov, Andrey Ivantsov

    Published 2024-11-01
    “…The main ones are convective transfer, diffusion, and properties of the geological composition of the landfill base, which are taken into account in the mathematical formulation of the problem. …”
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  14. 654

    Effect of NaOH Concentration on the Corrosion Behavior of 16Mn Steel in the Process of Producing Alumina by ZHOU Yuan, ZHOU Bin, ZOU Yong - qiang, PAN Xiao - hui, QUAN Bian - li

    Published 2021-05-01
    “…When the NaOH concentration was equal to 255 g/L, the impedance spectrum showed a typical Warburg diffusion phenomenon. The corrosion process was mainly controlled by both ion diffusion and charge transfer, and the adsorption of OH-&#x00A0;mainly occurred.…”
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  15. 655

    Release Behavior of Folic Acid Grafted Hollow Hydroxyapatite as Drug Carrier by Qing Liu, Wenjing Guo, Mei Yang, Kejie Wang, Weijun Liu, Fanhong Wu

    Published 2019-01-01
    “…The release mechanism of DOX coincides with Fickian diffusion as a result of Korsmeyer-Peppas model analysis and the release phenomena can be well explained by Fickian diffusion second law.…”
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  16. 656

    Alcune aggiunte al corpus di repliche derivanti della Madone embrassée par l’Enfant di Rogier van der Weyden by Luigi Agus

    Published 2024-12-01
    “…This is the Madone embrassée par l'Enfant whose replicas have been cataloged several times with more and more additions, until recently reaching over 200, also distinguished by the different iconological meanings they have assumed over time, while maintaining the same composition. The new replicas demonstrate even more the diffusion of the model, both half-figure and full-figure. …”
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  17. 657

    A Multispecies Atmospheric Escape Model with Excited Hydrogen and Helium: Application to HD209458b by Anna Ruth Taylor, Tommi T. Koskinen, Luca Argenti, Nicholas Lewis, Chenliang Huang, Anthony Arfaux, Panayotis Lavvas

    Published 2025-01-01
    “…Our model reproduces the observed He I transit depth and H α upper limit, showing strong diffusive separation. We match the observations assuming a photoelectron efficiency of 20%–40%, depending on the composition of the atmosphere, corresponding to mass-loss rates of 1.9–3 × 10 ^10 g s ^−1 . …”
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  18. 658

    Using AI to Reconstruct and Preserve 3D Temple Art with Old Images by Naai-Jung Shih

    Published 2025-06-01
    “…The consistent and inconsistent reconstructed results also included AI-assisted modeling outcomes in Stable Diffusion<sup>®</sup>- and Postshot<sup>®</sup>-based animations, followed by a 3D assessment and section-based composition analysis. …”
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  19. 659

    Optimization of the Method of Active Ingredients Adding to the Base of Medicinal Films Depending on Certain Variables by L. L. Davtian, A. S. Voronkina

    Published 2018-03-01
    “…The quality of the samples was evaluated by the antimicrobial activity against Clostridium sporogenes and Staphylococcus aureus, which was determined by the diffusion method in agar. Results. The study of the antimicrobial activity of medicinal films with various methods of active ingredients adding showed that the adding of metronidazole as an aqueous solution increases the antimicrobial activity of the films by 21.23%, 16.89%, 28.59%, respectively, compared with films of similar composition, in which metronidazole was added as a suspension, and the remaining ingredients were added by the same way. …”
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  20. 660

    Replenishment of intracellular magnesium deficiency in cardiac arrhythmias: focus on the physicochemical properties of complex compounds by Ya. G. Bozhko, N. A. Belokonova, O. M. Medvedeva, K. A. Butova, M. V. Arkhipov

    Published 2025-06-01
    “…To identify the most promising drug composition for replenishing intracellular magnesium deficiency by eveluating the physicochemical properties of magnesium complex compounds and conducting experiments on isolated rat atrial cardiomyocytes.Materials and methods. …”
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    Article