Showing 961 - 980 results of 1,594 for search '"copper"', query time: 0.06s Refine Results
  1. 961

    High-performance modified LDH for green one-pot synthesis of pyrido[2,3-d]pyrimidines by Sarieh Momeni, Ramin Ghorbani-Vaghei

    Published 2025-01-01
    “…To achieve this objective, we anchored copper acetate onto the surface of layered double hydroxides modified with 1,3‑benzenedisulfonyl amide (BDSA) (LDH@PTRMS@BDSA@Cu(NO3)2), which exhibited remarkable activity and selectivity. …”
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  2. 962

    Galvanic Interaction between Chalcopyrite and Pyrite with Low Alloy and High Carbon Chromium Steel Ball by Asghar Azizi, Seid Ziaoddin Shafaei, Mohammad Noaparast, Mohammad Karamoozian

    Published 2013-01-01
    “…This study was aimed to investigate the galvanic interaction between pyrite and chalcopyrite with two types of grinding media (low alloy and high carbon chromium steel ball) in grinding of a porphyry copper sulphide ore. Results indicated that injection of different gases into mill altered the oxidation-reduction environment during grinding. …”
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  3. 963

    New Spectrophotometric and Conductometric Methods for Macrolide Antibiotics Determination in Pure and Pharmaceutical Dosage Forms Using Rose Bengal by Rania A. Sayed, Wafaa S. Hassan, Magda Y. El-Mammli, Abadalla Shalaby

    Published 2013-01-01
    “…The spectrophotometric procedure depends on the reaction of rose bengal and copper with the cited drugs to form stable ternary complexes which are extractable with methylene chloride, and the absorbances were measured at 558, 557, and 560 nm for (I), (II), and (III), respectively. …”
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  4. 964

    Clinical Aspects of Trace Elements: Zinc in Human Nutrition – Zinc Deficiency and Toxicity by Michelle M Pluhator, Alan Br Thomson, Richard N Fedorak

    Published 1996-01-01
    “…Reports have focused on the role of zinc toxicity in causes of copper deficiency, changes in the immune system and alterations in blood lipids. …”
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  5. 965

    Capture Cavities For The Cw Polarized Positron Source Ce+baf by Wang Shaoheng, Ushakov Andriy, Grames Joseph, Raut Nabin, Rimmer Robert, Roblin Yves, Wang Haipeng

    Published 2024-01-01
    “…A chain of standing wave multi-cell copper cavities inside a solenoid tunnel are selected to improve the positron capture efficiency. …”
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  6. 966

    Calorimetric measurements of the Ca-Li liquid alloys by Dębski A., Garzeł G., Zakulski W., Gąsior W.

    Published 2017-01-01
    “…In this work, several alloys, with high copper content and additions of Al, up to 10%, and Sn, up to 14% (in wt%), were studied by thermal analysis and by isothermal phase equilibria determination. …”
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  7. 967

    Solid state interactions in the systems CaO(CaCO3)-Fe2O3 and CuFe2O4-CaO by Boyanov B.S.

    Published 2005-01-01
    “…It has been established that Ca2+ ions exchange Cu2+ and Zn2 partially and the solubility of copper and zinc in a 7 % sulfuric acid solution increases 10-15 times.…”
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  8. 968

    Investigation Of Plasma Stability Of The Prototype Plasma Lens For Positron Matching by Hamann Niclas, Jones Harry, Loisch Gregor, Formela Manuel, Ludwig Kai, Osterhoff Jens, Moortgat-Pick Gudrid

    Published 2024-01-01
    “…Furthermore, the results show splitting and bending discharge instabilities and heavy copper coating. Overcoming these challenges is pivotal for a future application of plasma lenses as an integral part of high-performance positron sources.…”
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  9. 969

    Modified Organosilica Adsorbents with Bactericidal Properties by T.I. Denisova, D.I. Shvetz

    Published 2002-04-01
    “…It was found that the sorption levels of microorganisms increased in the following sorbent-modified range: 30:70 wt% SG-PMS(Al) < 50:50 wt% SG-PMS(Zn) < 50:50 wt% SG-PMS(Cu) and attained values in the range of 81–98% for metal-containing forms depending on the pH of the medium and the nature of the microorganisms. Copper-containing forms of organosilica exhibited an inhibiting effect towards pathogenic microorganisms even at Cu II ion-containing contents of only 1 mg/g.…”
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  10. 970

    Alagille Syndrome and Wilson Disease in Siblings: A Diagnostic Conundrum by Meghan Amson, Esther Lamoureux, Nir Hilzenrat, Marc Tischkowitz

    Published 2012-01-01
    “…However, ceruloplasmin level, 24 h urine copper concentration and liver synthetic function were normal. …”
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  11. 971
  12. 972

    A Group of Bronze Lamps from Demre Museum by Ünal Demirer

    Published 2024-12-01
    “…Abstract: This study examines 12 copper alloy oil lamps in Demre Museum, which were identified as bronze due to the lack of chemical analysis. …”
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  13. 973

    Dewetting dynamics of metal/metallic coated ceramic systems at high temperatures by Ran Sui, Qiaoli Lin

    Published 2025-01-01
    “…Metal films were deposited on ceramics via magnetron sputtering, followed by wetting tests with tin, aluminum, and copper droplets. Results revealed asymmetric wetting-dewetting, indicating strong chemical bonds instead of reversible physical ones at high temperatures, deviating from traditional model predictions. …”
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  14. 974

    Analysis of Metallic Nanoparticles (Cu, Al2O3, and SWCNTs) on Magnetohydrodynamics Water-Based Nanofluid through a Porous Medium by P. K. Pattnaik, S. K. Parida, S. R. Mishra, M. Ali Abbas, M. M. Bhatti

    Published 2022-01-01
    “…In this communication, the effect of the addition of the copper (Cu), aluminum oxide (Al2O3), and single-wall carbon nanotubes (SWCNTs) metallic nanoparticles on the magnetohydrodynamics (MHD) water-based flow over a porous elastic surface is explored. …”
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  15. 975

    Synthesis and Ultraviolet Visible Spectroscopy Studies of Chitosan Capped Gold Nanoparticles and Their Reactions with Analytes by Norfazila Mohd Sultan, Mohd Rafie Johan

    Published 2014-01-01
    “…The ability of chitosan capped AuNPs to uptake analyte was studied by employing amorphous carbon nanotubes (α-CNT), copper oxide (Cu2O), and zinc sulphate (ZnSO4) as the target material. …”
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  16. 976

    Photoresponsive Cellulose Nanocrystals by Dimitris S Argyropoulos, Hasan Sadeghifar, Ilari Filpponen

    Published 2011-07-01
    “…Finally, the reaction of surface&#8208;modified TEMPO&#8208;oxidized cellulose nanocrystals and azido&#8208;bearing coumarin and anthracene monomers were carried out by means of a click chemistry, i.e., Copper(I)&#8208;catalyzed Azide&#8208;Alkyne Cycloaddition (CuAAC) to produce highly photo&#8208;responsive and fluorescent cellulose nanoparticles. …”
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  17. 977

    Bioseparation of Four Proteins from Euphorbia characias Latex: Amine Oxidase, Peroxidase, Nucleotide Pyrophosphatase/Phosphodiesterase, and Purple Acid Phosphatase by Rosaria Medda, Francesca Pintus, Delia Spanò, Giovanni Floris

    Published 2011-01-01
    “…This paper deals with the purification of four proteins from Euphorbia characias latex, a copper amine oxidase, a nucleotide pyrophosphatase/phosphodiesterase, a peroxidase, and a purple acid phosphatase. …”
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  18. 978

    An Optimized Circuit in Plastic Meander Line Antenna for 2.45 GHz Applications by Farhat Majeed, David V. Thiel

    Published 2016-01-01
    “…The results are compared with silver/copper in air antennas optimized for achieving the highest radiation efficiency for a fixed grid size. …”
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  19. 979

    Railway overhead contact wire monitoring system by means of FBG sensors by Carla Lupi, Ferdinando Felli, Erwin Ciro, Claudio Paris, Cristian Vendittozzi

    Published 2021-07-01
    “…The first one consists of a polyimide-coated sensor bonded on an OCW clamp, the second one is a copper-coated sensor hanging between the two separated halves of an OCW clamp. …”
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  20. 980

    An Experimental Study on Heat Conduction and Thermal Contact Resistance for the AlN Flake by Huann-Ming Chou, Jin-Chi Wang, Yuh-Ping Chang

    Published 2013-01-01
    “…Therefore, this paper is focused on the studies of heat conduction and thermal contact resistance between the AlN flake and the copper specimens. The heating temperatures and the contact pressures were selected as the experimental parameters. …”
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