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Mostrando 361 - 380 Resultados de 8,608 Para Buscar '"The Ashes"', tiempo de consulta: 0.19s Limitar resultados
  1. 361
    “…This study reports the preparation of geopolymers with a mechanical performance similar to that of cement at room temperature by ground fly ash mixed with a small amount of cement. The grinding time of fly ash raw materials was 0,20,40 and 60 min, respectively. …”
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    Influence of different grinding degrees of fly ash on properties and reaction degrees of geopolymers
  2. 362
    “…The composites were compared with parent zeolite obtained from waste fly ash with a low content of unburned carbon (NaX–FA). …”
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    Zeolite Composite Materials from Fly Ash: An Assessment of Physicochemical and Adsorption Properties
  3. 363
    “…Volcanic ash is a major threat to aviation safety. The softening/melting temperatures of volcanic ash lie far below typical aero‐engine operating temperatures. …”
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    Molten‐Volcanic‐Ash‐Phobic Thermal Barrier Coating based on Biomimetic Structure
  4. 364
    “…The wood ash utilized in the literature primarily originates from power plants and local bakeries, and predominantly wood fly ash is used. …”
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    Wood Ash as Sustainable Alternative Raw Material for the Production of Concrete—A Review
  5. 365
    “…A feasible approach was developed for the synthesis of ordered mesoporous SBA-15-type materials using coal fly ash (CFA) as raw material. In the proposed approach, CFA was, firstly, activated by subcritical water with the addition of NaOH, which allowed an efficient extraction of silicon species from CFA under strong acidic conditions at near room temperature. …”
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    Synthesis of Coal-Fly-Ash-Based Ordered Mesoporous Materials and Their Adsorption Application
  6. 366
    “…This paper presents an experimental work in which a highly reactive rice husk ash (TRHA) is prepared and evaluated as a replacement for Portland cement in high-performance concretes. …”
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    High Performance Concretes with Highly Reactive Rice Husk Ash and Silica Fume
  7. 367
    “…This article presents the results of a study of the physical and mechanical properties of fine-grained fly ash concrete based on a combined reinforcement with steel and basalt fibers. …”
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    Efficient, Fine-Grained Fly Ash Concrete Based on Metal and Basalt Fibers
  8. 368
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    Commentary on the ASH 2020 guidelines on cognitive screening and intervention in sickle cell disease
  9. 369
    por Caban, Renata, Gnatowski, Adam
    Publicado 2023
    “…This paper presents the results of examinations of the structure and crystallinity of polyamide (PA6) modified with fly ash from biomass combustion in a fluidized-bed boiler. …”
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    Structural and Thermal Examinations of Polyamide Modified with Fly Ash from Biomass Combustion
  10. 370
    “…Fly ash/epoxy composites were prepared and studied varying the filler content. …”
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    End-Of-Use Fly Ash as an Effective Reinforcing Filler in Green Polymer Composites
  11. 371
    “…To reduce the environmental impacts from sodium silicate synthesis, a ceramic method was suggested, with sugarcane bagasse ash (SCBA) as the source of silicon dioxide and sodium carbonate. …”
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    Sugarcane Bagasse Ash as an Alternative Source of Silicon Dioxide in Sodium Silicate Synthesis
  12. 372
    “…In order to advance the utilization rate of multi-source solid wastes in the Ningxia region of China, 16 groups of pavement base mixtures were designed with cement and fly ash (FA) as binders, steel slag (SS), silicon manganese slag (SMS), and recycled crushed stone (RCS) as composite aggregates. …”
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    Investigating on the Pavement Performance of Multi-Source Solid Wastes by Cement and Fly Ash
  13. 373
    “…In order to reduce the manufacturing cost of foamed ceramics and expand the application scope of industrial solid waste, in this study, a new type of environment-friendly foamed ceramics was prepared using direct high-temperature foaming with waste silicomanganese slag (SMS) and fly ash (FA) as raw materials and silicon carbide (SiC) as a foaming agent. …”
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    Recycling of Silicomanganese Slag and Fly Ash for Preparation of Environment-Friendly Foamed Ceramics
  14. 374
    “…Using the obtained models, an example for calculating the ash cementing efficiency coefficient is given.…”
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    Investigation of the Cementing Efficiency of Fly Ash Activated by Microsilica in Low-Cement Concrete
  15. 375
    “…We focus on a hybrid zone population between the two closely related ash species Fraxinus excelsior L. (common ash) and F. angustifolia Vahl (narrow-leaved ash), which is composed of individuals of the two species and several hybrid types. …”
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    Assortative mating and differential male mating success in an ash hybrid zone population
  16. 376
    “…This paper presents the results of a study on the effect of temperature on geopolymers manufactured using pozzolanic materials (fly ash). In this paper, we report on our investigation of the performance of porous geopolymers made with fly ash after exposure to temperatures from 600 °C up to 1000 °C. …”
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    Fly Ash Porous Material using Geopolymerization Process for High Temperature Exposure
  17. 377
    “…The airborne tephra was mostly fine ash (diameter <1000 µm). At least 7·10(10) kg (70 Tg) was very fine ash (<28 µm), several times more than previously estimated via satellite retrievals. …”
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    Ash generation and distribution from the April-May 2010 eruption of Eyjafjallajökull, Iceland
  18. 378
    “…We present evidence that Ash2 interacts with Trr and is required for its stabilization. …”
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    Ash2 acts as an ecdysone receptor coactivator by stabilizing the histone methyltransferase Trr
  19. 379
    “…Air pollution is a risk factor for respiratory infections, and one of its main components is particulate matter (PM), which is comprised of a number of particles that contain iron, such as coal fly ash (CFA). Since free iron concentrations are extremely low in airway surface liquid (ASL), we hypothesize that CFA impairs antimicrobial peptides (AMP) function and can be a source of iron to bacteria. …”
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    Coal Fly Ash Impairs Airway Antimicrobial Peptides and Increases Bacterial Growth
  20. 380
    por Weinhold, Bob
    Publicado 2013
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    Volcanic Ash and the Respiratory Immune System - Possible Mechanisms behind Reported Infections
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