Showing 4,621 - 4,640 results of 7,249 for search '"metals"', query time: 0.11s Refine Results
  1. 4621

    THE REORGANIZATION OF ECONOMIC ACTIVITIES IN THE APUSENI MOUNTAINS by MAGDALENA DR ĂGAN

    Published 2013-06-01
    “…The present paper shows the rising of other industrial branches and of tourism development following the collapse of the mining and metal-processing industries. At the same time, small-scale individual initiative replaces the centralized decision, while the importance of external investments is still essential.…”
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    Article
  2. 4622

    The influence of ferrous ions on the efficiency of aqueous photocatalytic oxidation of 2-ethoxy ethanol by D. Klauson, S. Preis

    Published 2005-01-01
    “…An explanation was proposed for the observed phenomena based on the low sensitivity of the pollutant towards radical-oxidation reactions and the competitive adsorption of metallic ions and 2-EE on the TiO2 surface.…”
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    Article
  3. 4623

    Synthesis of Heterogeneous Copper Catalyst Based on Amino-Functionalized Triazine Rings Supported by Silica-Gel for Oxidation of Alcohols by Majid Kolahdoozan, Roozbeh Javad Kalbasi, Mahshid Hossaini

    Published 2013-01-01
    “…This novel transition metal supported on heterogeneous surface was used as an effective catalyst for oxidation of benzylic alcohols in the presence of H2O2. …”
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    Article
  4. 4624

    Study of the slant fracture in solid and hollow cylinders: Experimental analysis and numerical prediction by Nassima Ben Chabane, Nassim Aguechari, Mohand Ould Ouali

    Published 2022-12-01
    “… This paper is devoted to the numerical and experimental study of ductile fracture in bulk metal forming of the 2017A-T4 aluminum alloy. From an experimental standpoint, the ductile fracture of the 2017A-T4 aluminum alloy is investigated under compressive load. …”
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    Article
  5. 4625

    TIG Welding of EN AW-6082 Al Alloy: A Comparative Analysis of Filler Rods on Microstructural and Mechanical Performance by Bandar Alzahrani, Mohamed M. Z. Ahmed, Mohamed I. A. Habba, Ramy A. Fouad, Yousef G. Y. Elshaghoul, Elshafey Ahmed Gadallah

    Published 2025-01-01
    “…The findings underscore the importance of filler metal selection in tailoring mechanical properties for high-performance applications.…”
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    Article
  6. 4626

    MEMS Smart Glass with Larger Angular Tuning Range and 2D Actuation by Md Kamrul Hasan, Mustaqim Siddi Que Iskhandar, Steffen Liebermann, Shilby Baby, Jiahao Chen, Muhammad Hasnain Qasim, Dennis Löber, Roland Donatiello, Guilin Xu, Hartmut Hillmer

    Published 2024-12-01
    “…Micromirror design modifications are necessary to eliminate possible crack formation on metallic structure due to stress concentration during the free movement of 2D actuatable micromirror arrays. …”
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    Article
  7. 4627

    Multiepoch Observations of the Nearby Spiral Galaxy NGC 3938 with the Chandra X-Ray Observatory by Siddhi Raut, Eric M. Schlegel, Thomas G. Pannuti, Brannon W. Jones, Jacobo Matallana

    Published 2025-01-01
    “…The metallicity appears to lie in the range of 8.2–9.2, consistent with values from other work. …”
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    Article
  8. 4628

    Application of N-Quinoline-2-carboxamido-8-aminoquinoline in Fabrication of a Ho(III)-PVC Membrane Sensor by Hassan Ali Zamani, Samaneh Langroodi, Soraia Meghdadi

    Published 2011-01-01
    “…This sensor demonstrated good selectivity and sensitivity towards the holmium ion for a broad variety of cations, including alkali, alkaline earth, transition and heavy metal ions. The proposed electrode exhibits a linear dynamic range between 1.0×10-6 and 1.0×10-2 M, with a near Nernstian slope of 20.4±0.3 mV per decade and a detection limit of 4.2×10-7 M. …”
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    Article
  9. 4629

    Early Healing Events around Titanium Implant Devices with Different Surface Microtopography: A Pilot Study in an In Vivo Rabbit Model by Ester Orsini, Stefano Salgarello, Désirée Martini, Beatrice Bacchelli, Marilisa Quaranta, Luciano Pisoni, Emma Bellei, Monika Joechler, Vittoria Ottani

    Published 2012-01-01
    “…This model system is expected to provide a starting point for further investigations which clarify the early cellular and biomolecular events occurring at the metal surface.…”
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    Article
  10. 4630

    The Promotion/Inhibition of the Seepage Transport of Copper Ions by Suspension-Colloidal Particles with Wide Size Gradation by Qingke Nie, Huawei Li, Haipeng Yang, Tengfei Ni, Sichen Jiang

    Published 2021-01-01
    “…This physical mechanism also determines the sequence and rate of the retarding effect of SPs on heavy metal ions under seepage flow.…”
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    Article
  11. 4631

    Synthesis of uniform two-dimensional nitrogen-doped graphene films via thermal evaporation as efficient oxygen reduction catalysts by Xue-Wei Lu, Xiaoliang Zhang, Ruxuan Chen, Shuwei Wang, Zile Wang, Huajun Tian, Liying Jiao

    Published 2024-12-01
    “…Two-dimensional (2D) nitrogen-doped graphene (NG) films have attracted considerable attention as promising metal-free electrochemical catalysts for the oxygen reduction reaction (ORR). …”
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    Article
  12. 4632

    Femtosecond Laser‐Induced Recrystallized Nanotexturing for Identity Document Security With Physical Unclonable Functions by Panpan Niu, Jiao Geng, Qilin Jiang, Yangyundou Wang, Jianxin Sang, Zhenghong Wang, Liping Shi

    Published 2025-01-01
    “…By introducing a low‐absorption metal layer, surface plasmon polariton waves are excited on the silicon‐metal multilayer nanofilms with long‐range boosting, ensuring the uniqueness and non‐replicability of the final nanotextures. …”
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  13. 4633

    Shock Pulse Shaping in a Small-Form Factor Velocity Amplifier by Gerard Kelly, Jeff Punch, Suresh Goyal, Michael Sheehy

    Published 2010-01-01
    “…Repeatable, controlled, mechanical shock pulses are created through the metal-on-metal impact between pulse shaping test rods, which form part of the penultimate and ultimate masses. …”
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    Article
  14. 4634
  15. 4635

    Sulfate-Reducing Bacteria: Biofilm Formation and Corrosive Activity in Endodontic Files by Fabiano Luiz Heggendorn, Aline Guerra Manssour Fraga, Dennis de Carvalho Ferreira, Lucio Souza Gonçalves, Viviane de Oliveira Freitas Lione, Márcia Teresa Soares Lutterbach

    Published 2018-01-01
    “…This study describes the biofilm formation and the corrosive capacity of sulfate-reducing bacteria (SRB) on the metallic structure of used endodontic files. Methods. …”
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    Article
  16. 4636

    Environmental and economic assessment of the application of an optimised chemical decontamination method on the internal surface of a nuclear steam generator by Rachael Clayton, Anthony Banford, Laurence Stamford

    Published 2025-03-01
    “…This paper presents the first life cycle environmental and economic sustainability assessment of a chemical metallic decontamination method, including investigation during laboratory-scale development and evaluation of a nuclear steam generator case study. …”
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    Article
  17. 4637

    Synthesis, Mechanical, and Tribological Performance Analysis of Stir-Casted AA7079: ZrO2 + Si3N4 Hybrid Composites by Taguchi Route by G. Jegan, P. Kavipriya, T. Sathish, S. Dinesh Kumar, T. Samraj Lawrence, T. Vino

    Published 2021-01-01
    “…For those reasons, many researchers hope to prepare hybrid aluminum metal matrix composites at various composition levels. …”
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    Article
  18. 4638

    Tracking Outflow Using Line Locking (TOLL). II. Large Line-locking Web Identified in Quasar J151352+085555 by Chen Chen, Zhicheng He, Weimin Yi, Tuo Ji, Marie Wingyee Lau, Bo Ma

    Published 2025-01-01
    “…By conducting photoionization modeling with CLOUDY, we measure the total hydrogen column densities, metallicities, and ionization parameters of these absorbers, which suggests that the absorbers likely have subsolar metallicities. …”
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    Article
  19. 4639

    Influence of Planetary Ball Mill Parameters on Powder Flowability of AlSi10Mg with Niobium Carbide Using Central Composite Design (CCD) by Raj Mohan R, Venkatraman R, Raghuraman S, Manoj Kumar P, Rajneesh Sharma, null Ankit, Atul Sarojwal, Rajkumar S

    Published 2022-01-01
    “…The hypoeutectic aluminum alloy (AlSi10Mg) is a well-known candidate material used predominantly for its processability and inherent characteristics in metal-based additive manufacturing. Besides, transition metal carbide, such as niobium carbide (NbC), is added to the AlSi10Mg, enhancing its mechanical properties and preferably its wear resistance to the matrix. …”
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    Article
  20. 4640

    Antimony recovery from copper refining electrolyte by membrane electrolysis by Belén Garrido, Javiera Lara, Juan Moreno, Alexandre Giacobbo, Eduardo Pino, Gerardo Cifuentes, Andréa Moura Bernardes

    Published 2025-01-01
    “…Abstract To produce metallic copper with high quality, it is important to have all impurities present in the electrorefining cell under control. …”
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