Showing 5,281 - 5,300 results of 5,531 for search '"metals"', query time: 0.06s Refine Results
  1. 5281

    SYNTHESIS AND INFRARED STUDY OF SOME PHENYLPHOSPHONATE, DIPHENYLPHOSPHINATE AND ACETATOPHOSPHONATE NEW ORGANOTIN (IV) DERIVATIVES AND ADDUCTS by MODOU SARR, AMINATA DIASSE-SARR, LIBASSE DIOP

    Published 2020-07-01
    “…The suggested structures, while considering the anionic counterpart, are discrete, dimeric, double and triple metallic components or of infinite chain types, the anion behaving as a monochelating, a bichelating or a bidentate ligand. …”
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  2. 5282
  3. 5283

    Heavy Oil Residue Upgrading With Iron Based Catalysts Under High Hydrogen Pressure by Muzaffer Yaşar, Solmaz Akmaz, Savaş Gürdal, Kadir Yılmaz

    Published 2021-12-01
    “…FeSO4.H2O, the binary mixtures of FeSO4.H2O with metal oxides (Fe2O3, Al2O3, CaO, SiO2) and the mixtures Fe2O3, Al2O3 and SiO2 with elementary sulphur were used as catalyst. …”
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  4. 5284

    SUPPORT-FREE TECHNOLOGY FOR MAINTAINING SHRUBS OF BLACKBERRY AND DEWBERRY VARIETIES IN THE COLLECTION ORCHARDS OF KRYMSK EXPERIMENT BREEDING STATION OF VIR by V. N. Podorozhnyi

    Published 2019-10-01
    “…The edges of the polymer film are proposed to be pinned to the ground with metal studs or sprinkled with earth to avoid disturbances of the mulch integrity. …”
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  5. 5285
  6. 5286

    A fault tolerant CSA in QCA technology for IoT devices by Saeid Seyedi, Hatam Abdoli

    Published 2025-01-01
    “…Quantum-dot Cellular Automata (QCA) has emerged as a promising alternative to conventional complementary metal-oxide-semiconductor (CMOS) technology due to its great potential in digital design at nanoscale levels on account of very low power consumption and very high processing speed. …”
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  7. 5287

    Sensitization of Eriochromeazurol-B in Presence of Cetyldimethylethylammonium Bromide for the Microdetermination of Some Lanthanides by Anil B. Zade, Pawan P. Kalbende, Mayuri S. Umekar, Gajanan W. Belsare

    Published 2012-01-01
    “…Addition of specific lanthanide metal ion to this decolorized solution resulted into intense colored stable ternary complex with large bathochromic shift from 540 nm (binary complex) to 650 nm (ternary complex) with increase in absorbance values at shifted wavelength. …”
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  8. 5288

    The sorption of Tebuconazole and Linuron from an Aqueous Environment with a Modified Sludge-Based Biochar: Effect, Mechanisms, and Its Persistent Free Radicals Study by Jingjie Yang, Hongwei Sun, Yucan Liu, Xiaohan Wang, Kamran Valizadeh

    Published 2021-01-01
    “…Electron spin resonance signals (ESR) indicated that environmentally persistent radicals (EPFRs) are preferentially formed at lower pyrolysis temperatures and lower transition metal concentrations. The g-factors for BC400, BC600, BCF400, and BCF600 were 2.0036, 2.0035, 2.0034, and 2.0033, respectively, indicating that the EPFRs mainly have a carbon-centered structure with adjacent oxygen atoms. …”
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  9. 5289

    Preparation of ZnAl layered double hydroxides supported by silica for the treatment of Cr(VI) and Cu(II) in aqueous solution by Fengrong Zhang, Luxing Liu, Cuilan Zhang, Dawei Shang, Lishun Wu

    Published 2025-01-01
    “…The adsorption properties of ZA/SiO2 for the removal of toxic metal ions (Cu(II) and Cr(VI)) from water were evaluated. …”
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  10. 5290

    Prospective directions for the development of means and methods for detection and fixation of handprints by V. V. Korniienko

    Published 2022-12-01
    “…Over the past hundred years, the methodology of detecting and collecting fingerprints at the scene has evolved from the first attempts to use carbon black and metal powders (at the end of the 19th century) to the use of modern fluorescent powders and molecularly selective chemical compounds. …”
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  11. 5291
  12. 5292

    Detección de componentes electrónicos mediante el método de la bolsa de palabras visuales (BoVW) by Teth Azrael Cortes-Aguilar, Adriana Tovar-Arriaga

    Published 2025-02-01
    “…Sin embargo, su gestión adecuada representa una oportunidad lucrativa debido a los diversos metales preciosos y tierras raras que contienen. La tarea de clasificar componentes electrónicos reciclados suele ser realizada por humanos, pero un sistema de visión por computadora y un método de inteligencia artificial como la bolsa de palabras visuales (BoVW) podrían mejorarla. …”
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  13. 5293

    Comparing the Dimensional Accuracy of Casts Obtained from Two Types of Silicone Impression Materials in Different Impression Techniques and Frequent Times of Cast Preparation by Ali Hafezeqoran, Mahdi Rahbar, Roodabeh Koodaryan, Tina Molaei

    Published 2021-01-01
    “…Materials and Methods. A metal model was made from two prepared abutments, and 10 casts were prepared from each material technique (n = 40). …”
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  14. 5294

    The study and determination of causes of fracture of the shaft of the roll working the wire cassette unit by I. A. Kovaleva, P. A. Bobkov, I. A. Ovchinnikova

    Published 2019-01-01
    “…The reliability and durability of the most loaded mated parts, working parts of the machine depend largely on the correctness of the choice of the manufacturing method, the purpose of the appropriate hardening metal processing, the quality of the Assembly.Part shaft is present in any mechanism and plays an important role in ensuring of the functional performance of units and assemblies. …”
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  17. 5297

    Influence of Vanadium 4+ and 5+ Ions on the Differentiation and Activation of Human Osteoclasts by Matthias A. König, Oliver P. Gautschi, Hans-Peter Simmen, Luis Filgueira, Dieter Cadosch

    Published 2017-01-01
    “…In the pathophysiology of implant failure, metal ions and inflammation-driven osteoclasts (OC) play a crucial role. …”
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  18. 5298
  19. 5299

    Constitutive Model and Fracture Criterion of Q345 Steel Welded Joints by Lian Song, Genfeng Li, Cong Zhu, Huaqiang Fang, Guoqing Zhu

    Published 2022-01-01
    “…The fracture strains of the base metal and HAZ material under different triaxial stresses were measured experimentally, and the J–C fracture model was fitted. …”
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  20. 5300

    Pharmacognostical and Phytochemical Studies and Biological Activity of Curculigo latifolia Plant Organs for Natural Skin-Whitening Compound Candidate by Syamsu Nur, Heri Setiawan, Muhammad Hanafi, Berna Elya

    Published 2023-01-01
    “…Antioxidant (radical scavenging and metal ion reduction) and antityrosinase activities were determined by spectrophotometric methods. …”
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