Mostrando 321 - 340 Resultados de 2,887 Para Buscar '"CEO"', tiempo de consulta: 0.16s Limitar resultados
  1. 321
    “…[Image: see text] Pt species with different chemical states and structures were supported on CeO(2) by solution reduction (Pt/CeO(2)-SR) and wet impregnation (Pt/CeO(2)-WI) and investigated in catalytic oxidation of n-decane (C(10)H(22)), n-hexane (C(6)H(14)), and propane (C(3)H(8)). …”
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  2. 322
    “…We examine whether CEO pay cut announcements during the COVID-19 pandemic are symbolic and made to appease various stakeholders. …”
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  3. 323
  4. 324
    “…In this work, we demonstrate enhanced photocatalytic dry reforming performance through surface basicity modulation of a Ni-CeO(2) photocatalyst by selectively phosphating the surface of the CeO(2) nanorod support. …”
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  5. 325
    “…Scanning and transmission electron microscopy assessments showed that the average diameter of CeO(2)−SnO(2) nanofibers was 170 nm. The result of photocatalytic degradation for methylene blue dye displayed enhanced efficiency of the CeO(2)−SnO(2) composite. …”
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  6. 326
    “…Here, CeO(2) NPs at concentrations lower than 50 mg L(−1) have been applied to regulate the transformation of plasmid-borne ARGs to competent Escherichia coli (E. coli) cells. …”
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  7. 327
    “…The 2D g-C(3)N(4) directs the growth of 0D CeO(2) quantum dots, while also promoting good dispersion of CeO(2)QDs. …”
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  8. 328
    “…Through a careful spectroscopic study, we here report the formation of FLPs over a highly defective CeO(2) sample prepared by microwave-assisted synthesis. …”
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  9. 329
    “…The catalyst was then heat-treated at 400 °C in N(2) (refer to Pt(2)CeO(2)/CNTs-400). The Pt(2)CeO(2)/CNTs-400 catalyst showed remarkably improved electrocatalytic performance towards methanol oxidation reaction (MOR) (839.1 mA mg(Pt)(−1)) compared to Pt(2)CeO(2)/CNTs-500 (620.3 mA mg(Pt)(−1)), Pt(2)CeO(2)/CNTs-300 (459.2 mA mg(Pt)(−1)), Pt(2)CeO(2)/CNTs (641.6 mAmg(−1)) (the catalyst which has not been heat-treated) and commercial Pt/C (229.9 mAmg(−1)). …”
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  10. 330
    por Chen, Zheng, Liu, Zhangyun, Xu, Xin
    Publicado 2023
    “…Here, by employing a theoretical study on CO oxidation over substituted Cu(1)/CeO(2) single atom catalysts, we show that dynamic evolution of metal-support coordination can significantly change the electronic structure of the active center. …”
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  11. 331
    “…Additionally, the combination of two Ru-based catalysts (Cs–Ru/CeO(2) and Cs–Ru/CNT) is studied as well. Mechanical mixing of Cs–Ru/CeO(2) with CNT exhibited superior activity as compared to the chemically synthesized Cs–Ru/CeO(2)-CNT catalyst. …”
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  12. 332
    “…In this study, a nano-composite anti-corrosion filler with a mass ratio of CeO(2):GO = 4:1 was prepared by hydrothermally growing cerium oxide on the surface of graphene oxide. …”
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  13. 333
    “…A cubic fluorite-type CeO(2) with mesoporous multilayered morphology was synthesized by the solvothermal method followed by calcination in air, and its oxygen storage capacity (OSC) was quantified by the amount of O(2) consumption per gram of CeO(2) based on hydrogen temperature programmed reduction (H(2)–TPR) measurements. …”
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  14. 334
    “…According to X-ray photoelectron spectroscopy (XPS), the surface Ce(3+) of CeO(2) appears to contribute to the AAOR activity. …”
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  15. 335
    “…In this study, pure CeO(2) and oxygen-vacancy-enriched SnO(2)-CeO(2) composite materials were prepared using the sol–gel method, and their microstructures and photocatalytic properties were investigated. …”
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  16. 336
    “…INTRODUCTION: This study aims to understand how new CEOs construct, revise, and maintain in their narrative, repertoire stories that represent their identity as it is associated with their new occupational role. …”
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  17. 337
    “…Ferromagnetism was observed at room temperature in monodisperse CeO(2) nanospheres synthesized by hydrothermal treatment of Ce(NO(3))(3)·6H(2)O using polyvinylpyrrolidone as a surfactant. …”
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  18. 338
    “…CeO(2) nanoparticles have been proven to be competent photocatalysts for environmental applications because of their strong redox ability, nontoxicity, long-term stability, and low cost. …”
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  19. 339
    “…The ionic conductivity is higher by one order of magnitude than plain Sm-doped CeO(2) films. By using scanning probe microscopy, we show that the fast ion-conducting channels are not exclusively restricted to the interface but also are localized at the Sm-doped CeO(2) nanopillars. …”
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  20. 340
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