Mostrando 601 - 620 Resultados de 2,601 Para Buscar '"Calcinate"', tiempo de consulta: 0.25s Limitar resultados
  1. 601
    “…This study will address these issues by investigating the behavior of zinc calcine (ZC) as a neutralizing agent, exploring the source of zinc and iron through leaching experiments, and simulating the Jarosite process of the Bafgh Zinc Smelting Company (BZSC). …”
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  2. 602
    “…The experimental results proved that the application of microwave irradiation at a certain stage of calcination allowed synthesizing of Y(2)Ti(2)O(7) in much shorter time, which ensured substantial energy savings. …”
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  3. 603
    “…In this investigation, for the first time, we used Fragaria ananassa (strawberry) leaf extract as a source of natural reducing, capping or stabilizing agents to develop an eco-friendly, cost-effective and safe process for the biosynthesis of metal-based nanoparticles including silver, copper, iron, zinc and magnesium oxide. Calcinated and non-calcinated zinc oxide nanoparticles also synthesized during a method different from our previous study. …”
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  4. 604
  5. 605
    “…Regarding the synthesis parameters, a calcination temperature of 500 °C, a calcination time between 20 and 720 min, a stoichiometric composition (Ni/Mo = 1), an acidic precursor solution, and a fuel-lean system were conditions that yielded the highest HER activity. …”
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  6. 606
    “…When evaluated toward an acidic hydrogen evolution reaction, the calcined MoS(2) catalysts deliver a volcano-type activity trend that depends on the calcination temperature. …”
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  7. 607
  8. 608
    “…The catalyst was greenly synthesized from waste snail shells throughout a calcination process at different calcination time of 2–4 h and temperature of 750–950 °C. …”
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  9. 609
    “…The endocarp has a morphology of superimposed and consolidated smooth layers, specific weight 1.29 g/cm(3), loss of mass at 339 °C and in calcinations at 800 °C. This study can help to address solid vegetable waste managing challenges in coconut producing cities.…”
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  10. 610
    “…The higher late strength of YPS ash calcined at 100 °C was due to the low polymerization degree of [SiO(4)]. …”
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  11. 611
    “…The optimized synthesis condition was found in this work; the calcination temperature is 800 °C and the content of Br(−)is 0.05. …”
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  12. 612
    “…Hence, the densification of the matrix was accompanied by similar reduction in pore volume. However, calcination at 700 °C resulted in samples with similar surface area though the iron oxide content increased from 5% to 50% Fe/Si molar ratio. …”
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  13. 613
    “…The three methods present a continuous grading from more physical to more chemical character, starting from ex situ filling of the pores with pre-existing particles, moving on to in situ formation of particles in the pores by bare calcination and ending with in situ calcination following specific chemical reactions. …”
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  14. 614
    por Ogihara, Takashi, Kodera, Takayuki
    Publicado 2013
    “…The as-prepared Li(2)Ti(3)O(7) precursor powders had spherical morphologies with hollow microstructures, but an irregularly shaped morphology was obtained after calcination above 900 °C. The ramsdellite Li(2)Ti(3)O(7) crystal phase was obtained after the calcination at 1100 °C under an argon/hydrogen atmosphere. …”
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  15. 615
  16. 616
    “….%, were prepared by incipient wetness impregnation of previously calcined supports. After drying at 60 °C for 6 h and calcination at 500 °C for 4 h, the catalysts were reduced by hydrogen at two pressures, 1 and 25 bar. …”
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  17. 617
    “…It starts with the characterization of MgO in terms of production processes, calcination temperatures, reactivity, and physical properties. …”
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  18. 618
    “…The high capacity of calcinated layered double hydroxides (LDH) to immobilize various active molecules together with their inherent gas/vapor impermeability make these nanoparticles highly promising to be applied as nanofillers for biodegradable polyester packaging. …”
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  19. 619
    “…The new building materials were obtained by addition of semi-product from titanium white production. Semi-product was calcined at 300 and 600 °C for one, three, and five hours and then this material was added to cement matrix in an amount of 1 and 3 wt.%. …”
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  20. 620
    por Feng, Yingming, Li, Xiaobing
    Publicado 2020
    “…After the BET test, the specific surface area of the raw and calcined manganese ore was 27.65 m(2) g(−1) and 33.49 m(2) g(−1), respectively. …”
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