Mostrando 1,301 - 1,320 Resultados de 2,601 Para Buscar '"Calcinate"', tiempo de consulta: 0.15s Limitar resultados
  1. 1301
    “…In this work, we developed a modified calcination and extraction method to obtain controllable micro/mesoporous nanoparticle samples POSS–MPS, which were synthesized through glycidyl polyhedral oligomeric silsesquioxane (G-POSS) grafting with aminopropyl-functionalized mesoporous silica (AP-MPS). …”
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  2. 1302
    “…Then, the parent nanozeolite-Y was modified by ion exchange, calcination, and steam treatment. The treatment caused insignificant changes to the ratio of alumina and silica but altered the zeolite acid sites. …”
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  3. 1303
    “…However, their synthesis always involves long time calcination at a high temperature, leading to low synthesis efficiency and high energy consumption. …”
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  4. 1304
    “…The novelty of the present work lies in the investigation of methods to mix geopolymer concrete from fly ash (FA) class F, ground granulated blast furnace slag (GGBS), and raw calcined kaolin clay (RCKC) to determine the mixing procedure which provides the best mechanical strength and structural integrity. …”
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  5. 1305
    “…It was determined that the C content can be easily controlled by calcinating the APF spheres with different time. Moreover, the synergetic effort between the optimal C content and the formed Ti–O–C bonds in C–TiO(2) were determined to increase the light absorption and greatly promote the separation and transfer of charge in the photocatalytic reaction, which is verified from UV–vis, PL, photocurrent, and EIS characterizations. …”
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  6. 1306
    “…The results showed that mineral reconstruction between PG and RM took place during calcination at 950 °C, forming ye’elimite, anhydrite and gehlenite, which then took part in the alkali-activation process and generated thenardite and C-A-S-H gel. …”
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  7. 1307
    por Ko, Daehyeon, Mhin, Sungwook
    Publicado 2023
    “…The firing of ceramics, including calcination and sintering, is a typical fossil fuels-driven manufacturing process that requires large power consumption. …”
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  8. 1308
    “…No significant changes in the thermal decomposition behavior of silver acetate were recorded as a result of γ-irradiation. Calcinations of γ-irradiated silver acetate (CH(3)COOAg) at 200 °C for 2 hours only led to the formation of pure Ag(2)O mono-dispersed nanoparticles. …”
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  9. 1309
    “…Here we report the synthesis of chiral TiO(2) fibres via transcription of the helical structure of amino acid-derived amphiphile fibres through coordination bonding interactions between the organics and the TiO(2) source. Upon calcination, the as-prepared amorphous TiO(2) double-helical fibres with a pitch length of ~100 nm were converted to double-helical crystalline fibres with stacks of anatase nanocrystals in an epitaxial helical relationship. …”
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  10. 1310
    por Singh, S. K., Rai, S. B.
    Publicado 2012
    “…Indian traditional system of medicine Ayurveda make use of unique metallic-herbal preparations (called Bhasma) which involves different processing steps including repeated steps of calcination of metal in the presence of natural precursor (herbal juices, decoctions, and powders, etc). …”
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  11. 1311
    “…The doped NRs were characterized in terms of their morphological, structural, and optical properties by using field-emission scanning electron microscopy coupled with energy-dispersive system, UV-Vis., Fourier transform IR, X-ray diffraction, and Xray photoelectron spectroscopy. The calcinated (at 400 °C) doped NRs are shown to be an attractive semiconductor nanomaterial for detecting acetone in aqueous solution using silver electrodes. …”
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  12. 1312
    “…Ta(3)N(5)-Pt nonwoven cloth has been prepared by an electrospinning-calcination-nitridation-wet impregnation method, and it is composed of Ta(3)N(5) fibers with diameter of 150–200 nm and hierarchical pores. …”
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  13. 1313
    “…In view of practical applications, the influence of some key parameters including operation temperature, catalyst calcination temperature, and the volume of dye wastewater have been optimized. …”
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  14. 1314
    “…The core-shell method is used as a novel synthetic process of micronized Ti-Zeolite Na-A which involves calcination at 700°C of coated Egyptian Kaolin with titanium tetrachloride in acidic medium as the first step. …”
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  15. 1315
    “…The strategy involves impregnation of porous polymer microspheres with nickel precursors, calcination to remove the template, followed by thermal reduction. …”
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  16. 1316
    “…After spin-coating onto a macroporous silicon nitride support, silica nanoparticles were calcined under controlled conditions. An organized nanoporous layer was obtained characterized by a depth filter-like structure with internal porosity due to interparticle voids. …”
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  17. 1317
    por Feng, Yi, Yu, Xin-Yao, Paik, Ungyu
    Publicado 2016
    “…Through tuning the nanoparticle size and calcination temperature, NiFe@C with an average size of around 16 nm obtained at 700 °C exhibits superior OER performance with an overpotential of only 281 mV at 10 mA cm(−2) and high durability. …”
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  18. 1318
    “…The results show that isolated Mo–oxo species present after calcination are converted by CH(4) into metastable MoC(x)O(y) species, which are primarily responsible for C(2)H(x)/C(3)H(x) formation. …”
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  19. 1319
    “…In this paper, preparation, bioactivity, and osteoblast cell behavior of cortical bone derived nano-biphasic calcium phosphate (nano-BCP) are presented. The calcined bovine bone samples with the addition of di-ammonium hydrogen phosphate were heated at 700°C for 100 min, and thus nano-BCP with the composition of 63/37 hydroxyapatite (HA)/β-tricalcium phosphate (β-TCP) was produced. …”
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  20. 1320
    “…The resulting solid material was dried at 200 °C and subsequently calcined at 500 °C for 5 h. The samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and Raman spectroscopy, confirming the formation of spinel ZnCo(2)O(4) nanoparticles with average sizes between 49 and 75 nm. …”
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