Showing 6,381 - 6,400 results of 7,249 for search '"metals"', query time: 0.07s Refine Results
  1. 6381

    NEW TECHNOLOGIES FOR RESTORATION AND PROTECTION OF POWER EQUIPMENT WITH THE AID OF COMPOSITE MATERIALS by A. O. Ischenko, V. M. Kravchenko, O. V. Dashko, D. V. Kakareka

    Published 2017-03-01
    “…The restoration was accomplished via the use of the conveyor belt which application time had expired, that was glued to a metal sieve with diagum. The use of the composites is economically justified, because the application of them in repairs reduces, firstly, terms of restoration work and, secondly, the price of repairs. …”
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  2. 6382

    Flotation Recovery Tests of Silver Minerals from a Cyanide Slag in Colombia by Shuibo CHEN, Qiankun WANG, Zhongmei SUN, Yuyun SU, Qihong XU

    Published 2024-12-01
    “…Flotation tests were performed on the leaching tailings to recover the silver and copper to improve the total recovery, and improve the utilization efficiency of metal resources. It is revealed from the tests results that ①The sulfide minerals in the leaching tailings are mainly pyrite, the silver-bearing minerals are mainly antimony tetrahedrite and arsenite tetrahedrite. …”
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  3. 6383

    The effect of coal ratio on the high-lead slag reduction process by Zhang Z., Li W., Zhan J.

    Published 2018-01-01
    “…The mineralogy of the reduced slag indicated that lead mainly existed in the reduced slag in the form of metallic lead, while the iron and zinc were mainly enriched in the reduced slag in the form of a silicate phase. …”
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  4. 6384
  5. 6385

    Coccoloba uvifera (L.) (Polygonaceae) Fruit: Phytochemical Screening and Potential Antioxidant Activity by Maira Rubi Segura Campos, Jorge Ruiz Ruiz, Luis Chel-Guerrero, David Betancur Ancona

    Published 2015-01-01
    “…In this work, the fruit of Coccoloba uvifera (L.) was investigated for their in vitro antioxidant capacity using two assays based on reactions with a relatively stable single reagent radical (Trolox equivalent antioxidant capacity, TEAC; and DPPH free radical scavenging assay, DPPH), two assays based on chelating of metallic cations, and one based on the reduction of oxidized species. …”
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  6. 6386
  7. 6387

    Grain kernel damage during threshing: a comprehensive review of theories and models by George Ashwehmbom Looh, Fangping Xie, Xiushan Wang, Augustine Ngiejungbwen Looh, Hamdaoui Hind

    Published 2025-01-01
    “…We delve deeply into utilizing contact theory to estimate stress distribution when metal grains collide, employing fracture mechanics to understand crack initiation and propagation, and utilizing DEM and FEA to simulate how grains move within the thresher. …”
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  8. 6388

    Investigating the distribution of heat transfer in a thick-walled functionally graded cylindrical shell under heat flux by Buqing Zhang, Zhiqiang Long, Guoqing Liu, Zhengxin Wu, Qiang Yan

    Published 2025-01-01
    “…Finite element analysis (FEA) utilizing ABAQUS software was used to conduct the steady-state and transient heat transport calculations in an aluminum metal/alumina ceramic shell. For a pure aluminum shell, it is about 15% of the temperature difference between the inner and outer surfaces for the inner temperature of 115 °C and the outer one of 136 °C. …”
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  9. 6389

    Adsorption of Cd (II) Using Chemically Modified Rice Husk: Characterization, Equilibrium, and Kinetic Studies by Javier Montalvo-Andía, Warren Reátegui-Romero, Alexis D. Peña-Contreras, Walter F. Zaldivar Alvarez, María E. King-Santos, Víctor Fernández-Guzmán, José Luis Guerrero-Guevara, Jhon E. Puris-Naupay

    Published 2022-01-01
    “…Cadmium (Cd) is a highly toxic heavy metal considered carcinogenic to humans. The adsorption behavior of cadmium adsorption using untreated and chemically modified rice husk was investigated. …”
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    Article
  10. 6390

    Study of Microstructure and Wear Resistance of AA5052/B4C Nanocomposites as a Function of Volume Fraction Reinforcement to Particle Size Ratio by ANN by D. Dinesh Kumar, A. Balamurugan, K. C. Suresh, R. Suresh Kumar, N. Jayanthi, T. Ramakrishnan, S. K. Hasane Ahammad, S. Mayakannan, S. Venkatesa Prabhu

    Published 2023-01-01
    “…The effects of the percentage volume of reinforcement, the ratio of reinforcement, and the matrix size of particles on the wear behavior of AA5052/B4C metal matrix composites (MMCs) examine. This research examines a model function developed from an artificial neural network (ANN). …”
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  11. 6391

    A two-scale computational homogenization approach for elastoplastic truss-based lattice structures by Hooman Danesh, Lisamarie Heußen, Francisco J. Montáns, Stefanie Reese, Tim Brepols

    Published 2025-03-01
    “…Advancements in metal additive manufacturing have enabled the fabrication of alloy-based lattice structures with complex geometrical features, driving the need for efficient modeling frameworks. …”
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  12. 6392

    Bioactive Potential of 3D-Printed Oleo-Gum-Resin Disks: B. papyrifera, C. myrrha, and S. benzoin Loading Nanooxides—TiO2, P25, Cu2O, and MoO3 by Diogo José Horst, Sergio Mazurek Tebcherani, Evaldo Toniolo Kubaski, Rogério de Almeida Vieira

    Published 2017-01-01
    “…The oleo-gum-resins from benzoin, myrrha, and olibanum in pure state and also charged with 10% of metal oxide nanoparticles, TiO2, P25, Cu2O, and MoO3, were characterized by ultraviolet-visible (UV-Vis) and Fourier transform infrared (FTIR) spectroscopy, energy-dispersive X-ray microanalysis (EDXMA), scanning electron microscopy (SEM), and differential scanning calorimetry (DSC). …”
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  13. 6393

    Effects of CaO, MgO, Al2O3 and SiO2 on the carbothermic reduction of synthetic FeCr2O4 by Wang Y., Wang L., Chou K.C.

    Published 2015-01-01
    “…SiO2 would also hamper the Cr metallization because there was a liquid phase formed when Cr3+ was reduced to divalent, which would impede the nucleation of reduction product.…”
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  14. 6394

    Antibacterial, Antifungal and Cytotoxic Properties as well as Molecular Docking Evaluation of Green Synthesized Silver Nanoparticles by Mojgan Taebi, Mahnaz Amiri, Niloofar Rashidi, Mahsa Sistani, Sanaz Hadizadeh, Razieh Razavi, Ali Reza Farzinnejad, Meysam Ahmadi Zeidabadi, Somayeh Karami Mohajeri

    Published 2024-04-01
    “…Molecular docking calculations revealed the binding energy between Ag metal and bacteria. These findings pave the way for effective and novel antimicrobial therapies as alternatives to traditional antifungal and antibacterial drugs, thereby addressing the challenges of microbial resistance and the difficulty of eradicating infections in the near future.…”
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  15. 6395

    Hepatoprotective effect anti-inflammatory and antioxidant Ganoderma lucidum ethanol extract on rats exposed to Plumbum acetate by Hernayanti, Laksana Agung, Saryono, Jehloh Latifah

    Published 2025-01-01
    “…Plumbum (Pb) is a toxic heavy metal that pollutes the environment and endangers human health. …”
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  16. 6396

    Crashworthiness of GFRP/aluminum hybrid square tubes under quasi-static compression and single/repeated impact by Zhang Liangliang, Li Chaojiang, Chen Yilong, Chen Yida, Su Zhihao, Wu Ye, Wu Qiulan, Wan Yun

    Published 2024-12-01
    “…Thin-walled structures comprised of fiber-reinforced polymer (FRP) composites and metal excel in achieving a balanced design in terms of material cost, weight savings, and mechanical performance. …”
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  17. 6397

    Effect of segregation on hot deformation behavior of GCr15 bearing steel in continuous casting by Mingyang Liu, Tianyu Zhang, Chenchong Wang, Ye Liu, Junyang Qian, Hongshuang Di, Qing Yin, Chi Zhang

    Published 2025-01-01
    “…GCr15 steel, renowned as one of the most extensively utilized metallic materials in bearing applications, has been the subject of considerable research, particularly regarding its hot deformation behavior. …”
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  18. 6398

    Enhancing the efficiency of hybrid Schottky diode by decoration of 2D Cs:ZnO nanosheets with CNTs via a facile co-precipitation approach by A Al-Sayed, Miad Ali Siddiq, Elsayed Elgazzar

    Published 2025-01-01
    “…The hybrid Schottky diode was fabricated by depositing Cs:ZnO nanosheets on p-Si using drop casting technique and the metal contacts were thermally deposited via thermal evaporation technique. …”
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  19. 6399

    Characterisation of the optical response to seismic waves of submarine telecommunications cables with distributed and integrated fibre-optic sensing by David M. Fairweather, Max Tamussino, Ali Masoudi, Zitong Feng, Richard Barham, Neil Parkin, David Cornelius, Gilberto Brambilla, Andrew Curtis, Giuseppe Marra

    Published 2024-12-01
    “…We also present evidence of a fast-wave arrival, which we attribute to coupled energy propagating through the metal armour of the submarine cables at a considerably faster velocity than the subsurface and acoustic waves measured during our tests. …”
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  20. 6400

    <i>Thermithiobacillus plumbiphilus</i> AAFK—Arsenic-Resistant Bacteria Isolated from Arsenopyrite Material by Artem Shaikin, Anton Zvonarev, Mikhail Vainshtein, Tatiana Abashina

    Published 2025-01-01
    “…Autotrophic sulfur-oxidizing bacteria can play a key role in the metal bioleaching from low-grade sulfide-containing ores. …”
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