Mostrando 2,261 - 2,280 Resultados de 3,066 Para Buscar '"STEAM"', tiempo de consulta: 0.19s Limitar resultados
  1. 2261
    “…Porous carbon spheres with high surface area and microporous structure were synthesized from alkyl phenols and formaldehyde via suspension polymerization and steam activation. The effects of air oxidation and ammonia solution heat treatment on the pore structure and surface chemistry of the carbon spheres were studied for catalytic oxidation of CH(3)SH. …”
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  2. 2262
    “…In this study, activated carbon spheres (ACSs) were obtained via carbonization and steam activation of phenolic resin-based carbon spheres at 850 °C synthesized by suspension polymerization. …”
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  3. 2263
    “…Simulation inputs include the processing parameters relevant to Steam Methane Reforming (SMR), analyzed for low ([Formula: see text] and high ([Formula: see text] flow regimes. …”
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  4. 2264
    “…Furthermore, the dealuminated AFX zeolite is treated via defect healing, which yields superior hydrothermal stability against severe steam conditions. Our findings could facilitate industrial applications of small-pore zeolites via aluminum content control and defect healing and could elucidate the structural reconstruction and arrangement processes for inorganic microporous materials.…”
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  5. 2265
    “…U. dioica hydrolate fractions were obtained by industrial steam distillation of fresh herb. Total stinging nettle hydrolate was prepared by mixing an equal volume of each fraction. …”
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  6. 2266
    por Fu, Jiangtao, Chang, Yufeng, Huang, Bijie
    Publicado 2022
    “…The coefficients of correlation R (2) with the change of MEA circulation amount, change of CO(2) concentration, and steam consumption are 0.97722, 0.99801, and 0.98258, respectively. …”
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  7. 2267
    “…However, using different types of lignin as cosmetic ingredients is difficult owing to the heterogeneity of lignin and the lack of in vitro and in vivo safety and efficacy data. Thus, steam-exploded lignin (SEL) was prepared from bamboo, fractionated via successive organic solvent extraction, and sequentially fractionated using ethyl acetate, methanol, and acetone to investigate its potential as a natural whitening material. …”
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  8. 2268
    “…Here, we propose a hybrid plasma-catalytic system for steam reforming of tar compounds over honeycomb-based catalysts in a gliding arc discharge (GAD) reactor. …”
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  9. 2269
    “…The investigation revealed that there was a lapse in the final step of steam sterilization, resulting in the use of incompletely sterilized items. …”
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  10. 2270
  11. 2271
    “…Herein, we report a simple method for constructing iron/nickel phosphide nanocrystals anchored on N-B-doped carbon-based composites, using steam-exploded poplar (SEP) and graphene oxide (GO) as a carrier. …”
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  12. 2272
    “…With higher creep strength and heat resistance, 34CrNi3Mo has been widely used in the production of engine rotors, steam turbine impellers, and turbine blades. To investigate the hot deformation behaviors of 34CrNi3Mo steel, hot compressive tests were conducted on a Gleeble-3500 thermomechanical simulator, under the temperature range of 1073 K–1373 K and strain rate ranges of 0.1 s(−1)–20 s(−1). …”
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  13. 2273
    “…The results show that the SEBS/PP polymer blends have negligible zinc and aluminium migration with values of 1.6 and 2.1 mg/kg, respectively, and do not elute any harmful leachates, while the thermal studies indicate that the studied SEBS/PP materials are capable of withstanding steam sterilisation at 120 °C and cold storage below −40 °C. …”
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  14. 2274
    “…The current study presents three modes of silk fibroin film fabrication by solvent casting with popular solvents, viz. aqueous (aq), formic acid (FA), and hexafluoroisopropanol (HFIP), followed by three standard modes of postfabrication annealing with water vapor, methanol vapor, and steam, and systematic characterization studies including corneal cell culture in vitro. …”
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  15. 2275
    “…A P-/N-containing bamboo-activated carbon (BACm) was successfully synthesized by steam activation of bamboo charcoal and chemical grafting to as-prepared activated carbon using the reaction of phosphoric acid and urea. …”
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  16. 2276
    “…Potassium is used extensively as a promoter with iron catalysts in Fisher–Tropsch synthesis, water–gas shift reactions, steam reforming, and alcohol synthesis. In this paper, the identification of potassium chemical states on the surface of iron catalysts is studied to improve our understanding of the catalytic system. …”
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  17. 2277
    “…Thus, we added heat-tolerant microbes (such as Bacillus) after steaming, which reduced the relative abundance of pathogens, recruited antagonistic bacteria, and provided a long-term protective effect compared to the steaming and Bacillus alone (p < 0.05). …”
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  18. 2278
    “…In addition to conventional therapies (nasal irrigation, betamethasone injection, oxymetazoline and fluticasone spray, guaifenesin syrup, and steam inhalation), the patients in the clarithromycin group received clarithromycin 500 mg tablets twice daily for four weeks. …”
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  19. 2279
    “…The physical properties, chemical composition, enantiomer distribution, and cholinesterase (ChE) inhibitory activity were determined for a steam-distilled essential oil (EO), with a yield of 0.15 ± 0.05 % (w/w), from H. laricifolium aerial parts, collected in southern Ecuador. …”
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  20. 2280
    “…[Image: see text] The solubility of CO(2) in water-bearing crude oil is of great significance for the calculation of crude oil reserves, the development of CO(2)-EOR (CO(2)-enhanced oil recovery), CO(2)-CCUS (carbon capture, utilization, and storage), and CO(2) assisted steam huff-and-puff technology, and the optimization of the design of CO(2) for heavy oil pipeline transportation. …”
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