Mostrando 541 - 560 Resultados de 2,601 Para Buscar '"Calcinate"', tiempo de consulta: 0.11s Limitar resultados
  1. 541
    “…The objective of this study was to prepare biochar/clay composite particle (BCCP) as carrier to immobilize Ochrobactrum sp. to degrade ammonia nitrogen (NH(4)(+)-N), and the effects of calcined program and immobilizing material were investigated. …”
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  2. 542
  3. 543
    “…The calcination was carried out in air to prevent PAN carbonization and to obtain pure CaO nanofibers. …”
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  4. 544
    “…The formic acid (CH(2)O(2)) decomposition over sulfated zirconia (SZ) catalysts prepared under different synthesis conditions, such as calcination temperature (500–650 °C) and sulfate loading (0–20 wt.%), was investigated. …”
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  5. 545
    por Zhang, Guang-Zhu, Wang, Xiao-Yong
    Publicado 2020
    “…In this study, the carrier effect of zeolite sands in reducing the autogenous shrinkage and optimizing the microstructure of ultra-high-performance concrete (UHPC) is studied. Pre-wetted calcined zeolite sand (CZ), calcined at 500 °C for 30 min, and natural zeolite sand (NZ), with 15 wt.% and 30 wt.% in UHPC, are used to partially replace standard sands. …”
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  6. 546
    “…Nanoscale CuO with diameters in the range of 7–8 nm has been synthesized via a two-step precipitation–calcination method using copper(ii) isonicotinate tetrahydrate as the precursor. …”
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  7. 547
    “…Triton-X) and the effects of the chain length of the surfactants and calcination temperature of the precursor gels on the surface properties of the product (mesoporous titania) were investigated. …”
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  8. 548
    “…Bimetallic Cu-Ni/TiO(2) photocatalysts were synthesized using wet impregnation (WI) method with TiO(2) (Degussa-P25) as support and calcined at different temperatures (180, 200, and 300°C) for the photodegradation of DIPA under visible light. …”
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  9. 549
    “…The results demonstrated that the incremental amounts of SS and CG addition was favorable for the formation of tricalcium silicate (C(3)S) during the calcinations, but excess amount of SS addition could cause the impediment effect on C(3)S formation. …”
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  10. 550
    “…Wormhole-like mesoporous tin oxide was synthesized via a facile evaporation-induced self-assembly (EISA) method, and the gas-sensing properties were evaluated for different target gases. The effect of calcination temperature on gas-sensing properties of mesoporous tin oxide was investigated. …”
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  11. 551
    “…This study reports a murder case by charring, which creates dental and bone calcination. In 2013, a completely burned car was examined by forensic experts, containing charred, calcined human bones and teeth inside its trunk, thus an identity needed to be established. …”
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  12. 552
    “…Through orthogonal experiment analysis, it was confirmed that the order of factors affecting the purity of white carbon black was calcination temperature > alkali treatment time > final pH > surfactant. …”
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  13. 553
    “…Nests of three silanol groups are located on the internal pore surface of calcined zeolite SSZ‐70. 2D (1)H double/triple‐quantum single‐quantum correlation NMR experiments enable a rigorous identification of these silanol triad nests. …”
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  14. 554
    “…Room-temperature phosphorylation and subsequent calcination produce pure HAp via intermediate amorphous calcium phosphate (ACP). …”
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  15. 555
    “…When the precursor was calcined at 600 °C for 7 h, the prepared TiO(2) had a unique hexagonal framework structure and exhibited excellent photocatalytic performance. …”
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  16. 556
  17. 557
    “…The obtained results showed that as the calcination temperature increased, the compressive strength of anhydrite binder decreased at its early age (up to 3 days) and increased after 28 days. …”
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  18. 558
    “…In addition, the crystallinity of the resulting manganese nanoparticles was gradually improved upon increasing the calcination temperature; however, the specific surface area decreased obviously due to pore structure damage at higher calcination temperature. …”
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  19. 559
    “…We report on the synthesis of the zirconia–manganese carbonate ZrO (x) (x  %)–MnCO(3) catalyst (where x=1–7) that, upon calcination at 500 °C, is converted to zirconia–manganese oxide ZrO (x) (x  %)–Mn(2)O(3). …”
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  20. 560
    “…The blocking properties of the as-deposited TiO(2) films (at 450 °C) were impaired by post-calcination at 500 °C, but this problem could be addressed by increasing the number of spray cycles. …”
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