Showing 4,961 - 4,980 results of 7,249 for search '"metals"', query time: 0.06s Refine Results
  1. 4961

    Des « brocarts appliqués » dans la sculpture savoyarde by Lelong Florence, Pouyet Emeline, Champdavoine Sophie, Guiblain Thomas, Martinetto Pauline, Walter Philippe, Rousselière Hélène, Cotte Marine

    Published 2021-03-01
    “…The results also determined degradation products from the original metallic tin foil, a key material that ensures the preservation of the 3 dimensions of the motifs.…”
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  2. 4962

    Simple and Efficient Computational Method to Analyze Cylindrical Plasmonic Nanoantennas by Karlo Costa, Victor Dmitriev

    Published 2014-01-01
    “…In this method, we take into account only longitudinal current inside cylindrical structures and use 1D integral equation for the electric field with a given surface impedance of metal. The solution of this integral equation is obtained by the Method of Moments with sinusoidal basis functions. …”
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  3. 4963

    Electrical and Physical Characteristics of Silica Nanoparticles in Aqueous Media Affected by Cations Na, Ba and Al by L.S. Andriyko, V.I. Zarko, V.M. Gun'ko, A.I. Marynin, V.V. Olishevskiy, E. Skwarek, W. Janusz

    Published 2015-08-01
    “…The influence of metal cations which have various valences [mono-(Na + ), bi-(Ba 2+ ) and trivalent (Al 3+ )] at different concentrations (0.001–0.1M) on the behaviour of nanosilica (0.5%wt. and 5%wt.) in aqueous media is analyzed using both photon correlation spectroscopy (particle-size distribution) and electrophoresis (zeta potential, ζ). …”
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  4. 4964

    Surface Active Sites of Modified Zeolites and Zirconia in the Conversion of Nitrogen(I, II) Oxides by Svetlana M. Orlyk, Tatyana V. Mironyuk, Tatyana M. Boichuk

    Published 2007-02-01
    “…Samples of zirconia doped with transition metal (Cr, Co, Ce) oxides, and also rhodium-promoted and Fe-containing zeolites of different structural types, were studied by NH 3 -TPD and IR spectroscopy. …”
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  5. 4965

    Two-Dimensional Modelling and Validation of the Mass Flow in a Mixing Stirred Reactor by Daniela Kladeková, Renáta Oriňáková, Hans-Dieter Wiemhöfer, Annamária Krajníková, Andrej Oriňák

    Published 2013-08-01
    “…The present work focuses on the computational modelling of fluid flow in a mixing stirred reactor to describe the flow pattern in two‐dimensional (2D) detail, which can be useful for optimizing the parameters of electroplating for the production of a uniform film on metallic particles in a stirred electrolytic cell. …”
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  6. 4966

    Advances in the Preparation of Fluorinated Isoquinolines: A Decade of Progress by Joseph C. Sloop

    Published 2017-01-01
    “…This review examines recent noncatalyzed and transition metal catalyzed synthetic approaches to the assembly of isoquinoline derivatives that are ring-fluorinated and/or result in the incorporation of fluorine-containing functional groups. …”
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  7. 4967

    A Wideband Waveguide Antenna with Nearly Equal E- and H-Plane Radiation Patterns by Mei Qing Qi, He-Xiu Xu, Hui Feng Ma, Mou Ping Jin, Wei Wang, Tie Jun Cui

    Published 2013-01-01
    “…A novel wideband waveguide antenna with excellent performance is proposed, which is composed of a coaxial-waveguide transition and an open-ended rectangular waveguide loaded with a pair of horizontal umbrella-shaped metallic brims. The brims perpendicular to two broad walls of the waveguide are constructed to modulate the antenna to radiate nearly identical E- and H-plane radiation patterns. …”
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  8. 4968

    Compressive behavior and connecting topology of monolithic nanoporous niobium by Seoyun Sohn, Shan Shi, Jürgen Markmann, Stefan Alexander Berger, Jörg Weissmüller

    Published 2025-01-01
    “…With an eye on the role of structure size and topology, this study explores the mechanical behavior of nanoporous (NP) Nb made by liquid-metal dealloying. Results from X-ray nanotomography and macro-compression tests confirm that coarsening degrades the yield strength and that Young's modulus deviates from scaling laws developed for NP Au made by dealloying in aqueous media. …”
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  9. 4969

    Effects of High-Density Electric Current Pulse on the Undercooling of Fe-B Eutectic Alloy Melt by Teng Ma, Weixin Hao, Xiaosi Sun, Junting Zhang, Guihong Geng

    Published 2018-01-01
    “…The undercooling obtained under two experimental conditions was basically the same, proving that the high undercooling of the metallic melt could be realized by the ECP.…”
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  10. 4970

    Oil painting on tinplate by Francisco José Resende by Ana Rita Veiga

    Published 2010-11-01
    “…Although the choice to paint on a metallic support was not very common in the nineteenth century, the painter executed several works on this support. …”
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  11. 4971
  12. 4972

    Detectability of Emission from Exoplanet Outflows Calculated by pyTPCI, a New 1D Radiation-hydrodynamic Code by Riley Rosener, Michael Zhang, Jacob L. Bean

    Published 2025-01-01
    “…H α and Mg i 457 nm are moderately strong for some planets at some metallicities, but they are almost always optically thin, so some of their emission may not be from the outflow. …”
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  13. 4973

    Synthesis and Optical Characterization of Mixed Ligands Beryllium Complexes for Display Device Applications by Vandna Nishal, Devender Singh, Raman Kumar Saini, Vijeta Tanwar, Shri Bhagwan, Sonika Kadyan, Ishwar Singh, Pratap Singh Kadyan

    Published 2015-01-01
    “…Theoretical calculations using DFT/B3LYP/6-31G(d,p) method were performed to reveal the three-dimensional geometries and the frontier molecular orbital energy levels of these synthesized metal complexes.…”
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  14. 4974

    Laser Synthesis of Platinum Single-Atom Catalysts for Hydrogen Evolution Reaction by Hengyi Guo, Lingtao Wang, Xuzhao Liu, Paul Mativenga, Zhu Liu, Andrew G. Thomas

    Published 2025-01-01
    “…The laser irradiation of a metal–organic framework (MOF) film (ZIF67@ZIF8 composite) by rapid scanning of a ns pulsed infrared (IR; 1064 nm) laser across the freeze-dried MOF resulted in a metal-loaded graphitized film. …”
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  15. 4975

    Potential toxic elements in surface water of Mokosh Beel, Gazipur, Bangladesh: Ecological and human health risk assessment for recreational users by Md. Shahriar Mahmud, M. Safiur Rahman, S.A. Dina, M. Rifat Nasher, Tasrina R. Choudhury, Bilkis A. Begum, Abdus Samad

    Published 2025-02-01
    “…The Nemerow pollution index indicated mild to moderate pollution, while the heavy metal pollution index (HPI) and heavy metal evaluation index (HEI) suggested a low degree of pollution at most sampling sites. …”
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  16. 4976

    Boosting catalytic efficiency of nanostructured CuO-supported doped-CeO2 in oxidative coupling of benzyl amines to N-benzylidenebenzyl amines and benzimidazoles: impact of acidic a... by Sailatha Sakinala, Naga Pranava Sree Kothoori, Suman Jeedi, Mohan Varkolu, Mallesham Baithy

    Published 2025-01-01
    “…H2-TPR revealed strong metal-support interactions, while NH3-TPD indicated that CuO/CeO2-ZrO2 possessed the greatest number of acidic sites. …”
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  17. 4977

    Development of a novel strategy for the quantification of ultra-trace impurity elements in high-purity magnesium using inductively coupled plasma tandem mass spectrometry by Liang Fu, Guangsheng Huang, Yaobo Hu, Xianhua Chen, Jingfeng Wang, Fusheng Pan

    Published 2025-01-01
    “…Even under hot plasma conditions, LODs of alkali metal elements were also less than 5 ng L−1. The spike recovery of each analyte was 93.6%–107%, and the relative standard deviation (RSD) was 3.2%–6.9%, respectively. …”
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  18. 4978

    Intraprosthetic Dislocation Following Dual Mobility Total Hip Arthroplasty: A Retrieval Analysis Study by Salar Sobhi, BSc, MD, Alan Kop, MSc, PhD, Moreica Pabbruwe, PhD, Christopher W. Jones, BCom, BEng(Hons), MBBS(Hons), PhD, FRACS, FAOrthA, Michael A. Finsterwald, MD, FMH, FRACS, FAOrthA

    Published 2025-02-01
    “…The retrieval analysis included an assessment of metal and PE wear mechanisms, corrosion between modular components, and extent of bony attachment to acetabular shells. …”
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  19. 4979

    Characteristic Fe and Cu Compounds in Particulate Matter from Subway Premises in Japan and their Potential Biological Effects by Takuma Okamoto, Ayumi Iwata, Hiroko Yamanaka, Kako Ogane, Tatsuhiro Mori, Akiko Honda, Hirohisa Takano, Tomoaki Okuda

    Published 2024-12-01
    “…Abstract Suspended particulate matter (PM) in subway premises contain high concentrations of metal components and distinctive compounds owing to their unique emission processes. …”
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  20. 4980

    Optimizing the gelation, structure, and thermal stability of alkali-induced duck egg white gels with calcium chloride by Pin-Chun Tseng, Wen-Yuan Yang, Yi-Chen Chen, Yen-Po Chen, Jia-Shian Shiu, Sheng-Yao Wang

    Published 2025-01-01
    “…However, this method often leads to gel liquefaction and structural instability. The addition of metal cations at appropriate concentrations can enhance the stability and strength of the gels and prevent liquefaction. …”
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