Mostrando 561 - 580 Resultados de 2,601 Para Buscar '"Calcinate"', tiempo de consulta: 0.17s Limitar resultados
  1. 561
    “…The study concluded that Lucky nut seed is a good source of oil, and its transformation to alternative fuel via a using calcined catalyst proved its fitness as a replacement for fossil fuel.…”
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  2. 562
    “…Comparative studies were performed to assess the adsorption behaviors of the organic dye using the as-synthesized MCM-41 before the removal of CTAB and MCM-41, either after one, two, and three times of chemical etching or after calcination. My was adsorbed more effectively from water on the as-synthesized MCM-41 without the removal of the surfactant than on MCM-41 after the removal of the surfactant by chemical etching or calcination. …”
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  3. 563
    “…CONCLUSION: The present case-study revealed that the risk of silicosis from calcined diatomaceous earths used to produce dental alginates has been ignored. …”
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  4. 564
    “…The highest oxygen evolution rate was obtained with the nanorods after being calcined at 800 °C. It is worth noting that the nanorods retained their shape (aspect ratio of 8.8) at 800 °C. …”
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  5. 565
    “…The average crystallite size increases from 2.6 to 74.5 nm with the increase of calcination temperature and ferrite content embedded in the SiO(2) matrix. …”
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  6. 566
    “…The colorimetric analysis from the samples calcined at 800 °C shows color changes from yellow-green to dark green as the Co/Ni molar ratio increases (0.1:0.9 to 0.9:0.1). …”
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  7. 567
    “…The effect of contact time, pH, initial concentration, FeCl(3) solution concentration, adsorbent dosage and calcination temperature on the removal rate was researched and modeled by response methodology (RSM) and artificial neural network (ANN). …”
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  8. 568
    por Jung, Kyeong Youl
    Publicado 2020
    “…Er(3+)/Yb(3+)-doped TiO(2) up-conversion (UC) phosphors were prepared by spray pyrolysis, and the UC luminescence properties were optimized by changing the calcination temperature and the concentration of Er(3+) and Yb(3+) dopants. …”
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  9. 569
    “…Al was introduced to CMO by the addition of Al(NO(3))(3) in the synthesis of CMC-3 to give ACMO after calcination. The presence of ∼19 mol% of Al(NO(3))(3) in ACMO-4 significantly enhanced its stability over 23 cycles (capacity loss of 5.2%) when compared with CMO-3 (calcined CMC-3) without adversely affecting the CO(2) uptake. …”
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  10. 570
    “…Plant leaf ashes were obtained via the high temperature calcination of the leaves of various plants, such as sugarcane, couchgrass, bracteata, garlic sprout, and the yellowish leek. …”
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  11. 571
  12. 572
    “…We have demonstrated the synthesis of γ-Fe(2)O(3) nano-particles through a facile and novel calcination process in the air. There is no pH regulation, gas atmosphere, additive, centrifugation or other complicated procedures during the preparing process. …”
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  13. 573
    “…After the controlled calcination, the metal-oxide NPs produced from MOF decomposition are exclusively confined and uniformly distributed in the mesopores of KIT-6 with high metal loadings. …”
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  14. 574
    “…The experimental results suggest that the elements were homogeneously dispersed at an atomic level in this amorphous phase. After calcination, most of the amorphous phase was crystallized, which resulted in a unique nano-sized crystalline-core/disordered-shell morphology. …”
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  15. 575
    “…Especially, the electrocatalyst calcined at 400 °C (PbS-400) showed outstanding performance with a current density of 13.5 mA cm(–2) and a GVL faradaic efficiency of 78.6%, which was far higher than the best results reported up to date. …”
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  16. 576
  17. 577
    “…Herein, micro-perspective structures can be controlled through a calcination route. Satisfactorily, the composites prepared at the calcination temperature of 900 °C exhibit excellent microwave attenuation performance with a broad working frequency and appropriate paraffin filling ratio. …”
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  18. 578
  19. 579
    “…Their particle sizes and crystallite sizes have increased with an increment in the calcination temperature. A different occupancy of cations at octahedral and tetrahedral sites also occurred upon the increase in temperature. …”
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  20. 580
    “…Moreover, their catalytic activity in terms of calcination temperature during preparation was investigated, and the HSiW@ZrO(2) hybrids calcinated at 300 °C exhibited the highest activity and the oleic acid (OA) conversion of 94.0% owing to the presence of the relatively high surface area, appropriate pore size and strong acidity. …”
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