Showing 4,921 - 4,940 results of 7,249 for search '"metals"', query time: 0.09s Refine Results
  1. 4921

    APPLICATION OF SPHEROIDIZING «CHIPS»-MASTER ALLOY ON COPPER BASE CONTAINING NANOSCALE PARTICLES OF YTTRIUM OXIDE FOR HIGH-STRENGTH CAST IRON by A. S. Kalinichenko, A. G. Slutsky, V. A. Sheinert, S. A. Lenkevich, A. N. Bely

    Published 2016-04-01
    “…The principle of mechatronics was used, including the briquetting inoculants’ components after their mixing with the subsequent high-speed mechanical impact and obtaining plates with a thickness of 1–2 mm.Spheroidizing treatment of molten metal has been produced by ladle method using «Chips»-inoculants in the amount of 0.8%. …”
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  2. 4922

    Synthesis and Characterization of New Schiff Bases Derived from N (1)-Substituted Isatin with Dithiooxamide and Their Co(II), Ni(II), Cu(II), Pd(II), and Pt(IV) Complexes by Ahlam J. Abdul-Ghani, Asmaa M. N. Khaleel

    Published 2009-01-01
    “…The complexes were characterized by elemental analyses, metal and chloride content, spectroscopic methods, magnetic moments, conductivity measurements, and thermal studies. …”
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  3. 4923

    Syntheses, Characterization, and Antimicrobial Screening of N-(benzothiazol-2-yl)benzenesulphonamide and its Cu(I), Ni(II), Mn(II), Co(II), and Zn(II) Complexes by N. L. Obasi, Okoye C. O. Benedict, P. O. Ukoha, A. O. Anaga

    Published 2012-01-01
    “…The resulting crude precipitates were recrystallized from dimethylformamide (DMF). Five metal complexes of copper(I), nickel(II), manganese(II), cobalt(II) and zinc(II) of the ligands were synthesized. …”
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    Article
  4. 4924
  5. 4925

    APPLICATION OF MODIFYING ALLOYING ALLOY CONTAINING NANOSIZED POWDERS OF ACTIVE ELEMENTS IN PRODUCTION OF HIGH-STRENGTH CAST IRON WITH GLOBULAR GRAPHITE by A. S. Kalinichenko, A. G. Slutsky, V. A. Sheinert

    Published 2015-11-01
    “…Studies have shown that the secondary treatment of high strength cast iron with developed modifier-alloying alloy results in formation of the perlite metallic base due to the tin impact and nodular graphite with regular shape under the influence of titanium carbide, yttrium oxide and graphite nano-pipes. …”
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    Article
  6. 4926

    A mm-Wave 5G Double Slot Array Antenna Based on Gap Waveguide Technology and Glide Symmetries by Panagiotis Petroutsos, Stavros Koulouridis

    Published 2025-01-01
    “…The antenna is formed by assembling three metal layers, the so-called feed, cavity, and radiation layers. …”
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  7. 4927

    Study of the Refractive Index Sensing based on MDM Waveguide Coupled with a Square-shaped Composite Resonant Cavity by XU Pucheng, GUAN Jianfei

    Published 2024-12-01
    “…【Objective】In order to achieve a highly sensitive refractive index sensor in a nanoscale spatial dimension, a square composite resonant cavity containing a stub resonator has been proposed as a resonant element adjacent to Metal-Dielectric-Metal (MDM) Surface Plasmon Polaritons (SPPs) waveguide in this paper.…”
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  8. 4928

    Magnetic resonance angiography in diagnostic long-term follow-up of primary patency of the MOTIV drug-eluting bioresorbable vascular scaffold in the region below the knee: 5 years... by Christian Nasel, Mario Kirschner, Karoline Rizzi, Nicola Schweinhammer, Ewald Moser

    Published 2025-01-01
    “…<h4>Purpose</h4>Treatment of peripheral artery disease (PAD) in the region below the knee (BTK) is dissatisfying as failure of treated target lesions (TLF) is frequent and diagnostic imaging is often challenging. In the BTK-region metallic drug-eluting stents (mDES) yielded best results concerning primary patency (PP), but also annihilate signal in magnetic resonance angiography (MR-A). …”
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  9. 4929

    Increased sensitivity in electron–nuclear double resonance spectroscopy with chirped radiofrequency pulses by J. Stropp, N. Wili, N. C. Nielsen, D. Klose

    Published 2025-01-01
    “…For the common case of non-crystalline solids, such as powders or frozen solutions of transition metal complexes, the anisotropy of the hyperfine and nuclear quadrupole interactions renders ENDOR lines often several megahertz (MHz) broad, thus diminishing intensity. …”
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  10. 4930

    Recent insights into the transformative role of Graphene‐based/TiO2 electron transport layers for perovskite solar cells by T. Sewela, R. O. Ocaya, T. D. Malevu

    Published 2025-01-01
    “…However, in practice, they face practical limitations due to suboptimal electron transport, inadequate hole‐suppression, photocatalytic instability, and susceptibility to other environmental factors. Many transition metal oxides such as ZnO and TiO2 have important excitonic properties that make them good electron transport layer (ETL) materials in PSCs. …”
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  11. 4931

    Conjoint effect of nanofluids and baffles on a heat exchanger thermal performance: Numerical approach by hayder Al-Lami, Dheyaa S.J. Al-Saedi, Ali A.H. AlMaidib, Qudama Al-Yasiri

    Published 2024-12-01
    “…Meanwhile, the Fe-water nanofluid demonstrated a 3.1% enhancement due to its metallic properties promoting better thermal energy transfer than the base fluid. …”
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  12. 4932

    Cloning and expression of African swine fever virus K205R and B602L genes inf. COLI by A. V. Scherbakov, A. S. Yakovleva, A. M. Timina, M. R. Yakupov

    Published 2018-04-01
    “…Dissolved recombinant proteins were purified by metal-chelate affinity chromatography using Ni-NTA-agarose («Qiagen»). …”
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  13. 4933

    Taylor Expansion of Surface Potential in MOSFET: Application to Pao-Sah Integral by Hugues Murray, Patrick Martin, Serge Bardy

    Published 2010-01-01
    “…We propose a simple model, derived from Pao-Sah theory, valid in all modes from weak to strong inversion, to calculate the drain current in Metal Oxide Semiconductor Field Effect Transistor (MOSFET). …”
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  14. 4934

    Recent advances in functional materials and devices for Zn-Ion hybrid supercapacitors by Weijia Fan, Faxing Wang, Xiaosong Xiong, Bingyan Song, Tao Wang, Xinbing Cheng, Zhi Zhu, Jiarui He, Yankai Liu, Yuping Wu

    Published 2024-04-01
    “…Particular emphasis is placed on state-of-the-art cathodes (including carbon, metal oxides, MXenes, and redox-active polymers), anodes (including Zn-based composites and Zn-free materials) and electrolytes for ZHSCs. …”
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  15. 4935

    Physicochemical and Electrical Properties of Praseodymium Oxides by Sergio Ferro

    Published 2011-01-01
    “…Praseodymium-oxide-based cathodes have been proved to be quite interesting devices: the hydrogen evolution reaction is guaranteed by the presence of a noble metal (platinum and/or rhodium), while the stability and poisoning resistance seem to be strongly improved by the presence of lanthanide oxides.…”
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  16. 4936

    UWB Directive Triangular Patch Antenna by A. C. Lepage, X. Begaud, G. Le Ray, A. Sharaiha

    Published 2008-01-01
    “…Finally, we propose an alternative solution to facilitate the manufacturing process using metallized foam technology. It also improves the robustness of the antenna as well as reducing its cost.…”
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  17. 4937

    State of the direct reduction and reduction smelting processes by Markotić A., Dolić N., Trujić V.

    Published 2002-01-01
    “…The insufficient availability and the high price of the coking coals have forced many countries to research and adopt the non-coke-consuming reduction and metal manufacturing processes (non-coke metallurgy, direct reduction, direct processes). …”
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  18. 4938

    Synthesis and characterization of novel functional vinyl ethers that bear various groups by Fayad, Antoinette, El Malti, Wassim, Ameduri, Bruno, Alaaeddine, Ali

    Published 2022-02-01
    “…The reaction conditions were optimized in terms of the initial EVE/alcohol molar ratio, alcohol concentration, solvent, presence and nature of the ligand, amount of the catalyst, and choice of the metal precursor. All VEs were characterized using $^{1}$H and $^{13}$C NMR spectroscopy.…”
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  19. 4939

    A Study of Mild Steel Corrosion Using Adhatoda Vasica (AV) Extract as Inhibitor in Different Acid Medium by P. Matheswaran, A. K. Ramasamy

    Published 2010-01-01
    “…The Ecorr values are shifted slightly towards negative side in presence of inhibitors which indicate the inhibitors inhibit the corrosion of mild steel in acids solution by controlling both anodic and cathodic reactions due to the blocking of active sites on the metal surface. It is evident that inhibitors bring about considerable polarization of the cathode as well as anode. …”
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  20. 4940

    Calculated mixing enthalpies of 11 IIB-IVB and IIB-VB binary alloy systems using a subregular model by Bangwei Z., Xiaolin S., Shuzhi L., Xiaojian Y., Haowen X.

    Published 2010-01-01
    “…There have been no theoretical calculations of the mixing enthalpies for group B metal alloy systems using the famous Miedema theory or from first principles. …”
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