Showing 4,601 - 4,620 results of 7,249 for search '"metals"', query time: 0.11s Refine Results
  1. 4601

    Preparation and Mechanism of a New Enhanced Flocculant Based on Bentonite for Drinking Water by Feng-shan Zhou, Jie Li, Lin Zhou, Yang Liu

    Published 2015-01-01
    “…BTA was used to treat drinking water with high turbidity and metal ion in Karamay City, Xinjiang. The treated water was surely up to the drinking water standard of China in decolorization rate, deodorization rate, heavy metal ion removal rate, and so forth, and contents of residual aluminum ions and acrylamide monomer in drinking water were considerably decreased.…”
    Get full text
    Article
  2. 4602

    Extending the range of dual-zone permanent magnet synchronous motor control by Davydov A. E., Bochenkov B. M., Pankrats Yu. V.

    Published 2024-12-01
    “…The obtained results have demonstrated the advantages of the proposed approach permitting a twofold increase in the speed of the main drive of a metal-cutting machine without deteriorating its energy characteristics. …”
    Get full text
    Article
  3. 4603

    Influence of Molybdenum Content and MoOxy- Species on the Textural and Structural ZrO2 Properties by Alberto Hernández Zapién, Juan Manuel Hernández Enríquez, Ricardo García Alamilla, Guillermo Sandoval Robles, Ulises Páramo García, Luz Arcelia García Serrano

    Published 2014-01-01
    “…The synthesized materials presented spherical morphology with particle sizes less than 1 µm, with a change of this morphology for high metal contents (15 wt%) being observed.…”
    Get full text
    Article
  4. 4604

    Engineering the Coherent Phonon Transport in Polar Ferromagnetic Oxide Superlattices by In Hyeok Choi, Seung Gyo Jeong, Do‐Gyeom Jeong, Ambrose Seo, Woo Seok Choi, Jong Seok Lee

    Published 2025-01-01
    “…However, previous methods of manipulating phonons have been limited to controlling the periodicity of superlattice, rather than utilizing complex mutual interactions that are prominent in transition metal oxides. In this study on oxide superlattices composed of ferromagnetic metallic SrRuO3 and quantum paraelectric SrTiO3, phonon modulation by controlling the geometry of superlattice in atomic‐scale precision is realized, demonstrating the coherent phonon engineering using structural and magnetic phase transitions. …”
    Get full text
    Article
  5. 4605

    Diffusion-programmed catalysis in nanoporous material by Suvendu Panda, Tanmoy Maity, Susmita Sarkar, Arun Kumar Manna, Jagannath Mondal, Ritesh Haldar

    Published 2025-02-01
    “…Porous catalysts, including metal-organic and covalent organic frameworks, confront formidable obstacles in regulating reactant diffusion rates. …”
    Get full text
    Article
  6. 4606

    Ka-Band Slot-Microstrip-Covered and Waveguide-Cavity-Backed Monopulse Antenna Array by Li-Ming Si, Yong Liu, Yongjun Huang, Weiren Zhu

    Published 2014-01-01
    “…The 2×32 slot-microstrip elements are formed by a metal clad dielectric substrate and slots etched in the metal using the standard printed circuit board (PCB) process with dimensions of 230 mm  ×  10 mm. …”
    Get full text
    Article
  7. 4607

    Reduction mechanism of titanomagnetite concentrate by carbon monoxide by Sun H.Y., Dong X.J., She X.F., Xue Q.G., Wang J.S.

    Published 2013-01-01
    “…Results shown that both the reduction and metallization degree increased with the increasing of temperature and monoxide content. …”
    Get full text
    Article
  8. 4608

    Fluid Inclusion and Oxygen Isotope Constraints on the Origin and Hydrothermal Evolution of the Haisugou Porphyry Mo Deposit in the Northern Xilamulun District, NE China by Qihai Shu, Yong Lai

    Published 2017-01-01
    “…The early boiling fluids were not responsible for ore precipitation, whereas the mixing with meteoric water, which resulted in temperature decrease and dilution that significantly reduced the metal solubility, should have played the major role in Mo mineralization. …”
    Get full text
    Article
  9. 4609

    Thermal characteristics of hybrid Nanofluid (Cu-Al2O3) flow through Darcy porous medium with chemical effects via numerical successive over relaxation technique by Assmaa Abd-Elmonem, Qammar Rubbab, Hakim AL. Garalleh, Fazeelat Rehman, Muhammad Amjad, Fayza Abdel Aziz ElSeabee, Nesreen Sirelkhtam Elmki Abdalla, Wasim Jamshed, Syed M. Hussain, Hijaz Ahmad

    Published 2025-01-01
    “…The study concentrates on a hybrid nanofluid which consists of Cu and Al₂O₃ nanoparticles. The metallic nanoparticles such as copper have high thermal conductivity and non-metallic nanoparticles such as aluminum oxide are chemically stable and has high thermal resistance. …”
    Get full text
    Article
  10. 4610

    Synthesis of a Novel Family of Polysilsesquioxanes Having Oligothiophenes with Well-Defined Structures by Ichiro Imae, Shotaro Takayama, Daisuke Tokita, Yousuke Ooyama, Kenji Komaguchi, Joji Ohshita, Yutaka Harima

    Published 2012-01-01
    “…The polymers anchored on SiO2 or ITO substrates showed excellent mechanical hardness due to the formation of a three-dimensional siloxane network structure and chemical linkage between polymer and the surface of metal-oxide substrates. Optical, electrochemical, and electrical properties of polymers were also investigated.…”
    Get full text
    Article
  11. 4611

    Germanyl triazoles as a platform for CuAAC diversification and chemoselective orthogonal cross-coupling by John M. Halford-McGuff, Thomas M. Richardson, Aidan P. McKay, Frederik Peschke, Glenn A. Burley, Allan J. B. Watson

    Published 2024-12-01
    “…The installation of the Ge moiety enables further diversification of the triazole products, including chemoselective transition metal-catalysed cross-coupling reactions using bifunctional boryl/germyl species.…”
    Get full text
    Article
  12. 4612

    Synthesis and Characterization of Some Ni(II) and Cu(II) Complexes with 2-[(4-Aminophenyl)imino]-1, 2-diphenyl-1-ethanone by K. M. Khalifa, A. M. Hamil, A. Gasem, A. Abdulsalam

    Published 2010-01-01
    “…The synthesized ligand and its complexes have been characterized by elemental analysis, infrared, electronic, nuclear magnetic resonance and mass spectra. The metal ligand ratio was found to be 1:1. Square planer geometry for both complexes was suggested.…”
    Get full text
    Article
  13. 4613

    Selected Issues Relating to Modeling of Objects and Clothes in the Creating Visualization of Mechanical Hazard during Machine Operation by Dariusz Filipek

    Published 2022-01-01
    “…This visualization was elaborated like multimedia OHS training materials from machines operators, OSH employees and employers of mechanical plants, and all institutions of metal machining industry.…”
    Get full text
    Article
  14. 4614

    Klasyfikacja semantyczna rosyjskich i polskich nazw muzyki rozrywkowej by Rafał Kowalczyk

    Published 2016-02-01
    “…Lexical entries are divided into six semantic groups with the following key concepts: jazz, rock, metal, house, techno and trance, which describe the music styles that appeal to popular tastes.…”
    Get full text
    Article
  15. 4615

    A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilities by João M. R. Gonçalves, Ademar Wong, Pedro H. O. Santiago, Guilherme Arroyos, Augusto H. Piva, Javier A. Ellena, Benedito S. Lima-Neto, Regina C. G. Frem

    Published 2025-02-01
    “…Abstract This work presents the synthesis and characterization of a novel coordination polymer entitled Ni-BTC, using nickel as metallic centers and Trimesic Acid (H₃BTC) as linkers. …”
    Get full text
    Article
  16. 4616

    A Taguchi-based study on the control factors of reinforced composites with the fiber of coir and pineapple leaves by Md Firoz Kabir, Md Alamgir Hossain, Md Nazmus Sakib, Md Waliullah Shadhin, Md Ariful Alam

    Published 2025-01-01
    “…The use of composite materials, whether metallic or non-metallic, is becoming more popular nowadays because of some of their superior characteristics compared to the use of wood and metallic materials alone. …”
    Get full text
    Article
  17. 4617

    Rethinking CIGS solar cells for rear illumination applications by Léo Choubrac, Fabien Pineau, Eugène Bertin, Ludovic Arzel, Nicolas Barreau

    Published 2025-01-01
    “…Matching the performance of traditional front-illuminated designs, this configuration paves the way for further photoelectrochemical advances thanks to its metallic top layer, which can serve as a versatile grafting platform that is resistant to their operating conditions.…”
    Get full text
    Article
  18. 4618

    Recent advances in electrochemical copper catalysis for modern organic synthesis by Yemin Kim, Won Jun Jang

    Published 2025-01-01
    “…Combining electrochemistry with transition-metal catalysis is a promising and rapidly growing methodology for effectively forming challenging C–C and C–heteroatom bonds in complex molecules in a sustainable manner. …”
    Get full text
    Article
  19. 4619

    On the existence of solution of a two-point boundary value problem in a cylindrical floating zone by Shi Yongdong, Du Liangsheng

    Published 2001-01-01
    “…Existence of one solution for a two-point boundary value problem with a positive parameter Q arising in the study of surface-tension-induced flows of a liquid metal or semiconductor is studied. On the basis of the upper-lower solution method and Schauder's fixed point theorem, it is proved that the problem admits a solution when 0≤Q≤12.683. …”
    Get full text
    Article
  20. 4620

    TECHNOLOGICAL PROCESS OF OBTAING СOLD HARDENING MIXTURES (CHM) ON THE BASIS OF OLIGOFURFURILOKSISILAKSANOV BINDINGS by O. I. Ponomarenko, N. S. Evtushenko

    Published 2016-08-01
    “…Research was conducted by standard techniques on durability, survivability, permeability to gases, friability, adherence, peeling and metal penetration. Mathematical models of properties of mixture are developed and optimization of composition of mixture is made. …”
    Get full text
    Article