Mostrando 261 - 280 Resultados de 8,608 Para Buscar '"The Ashes"', tiempo de consulta: 0.25s Limitar resultados
  1. 261
    “…The lignocellulosic biomass ash obtained from burning lignocellulosic biomass contains a large number of active oxides. …”
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  2. 262
    “…A geopolymer is a low-carbon cement based on the utilization of waste ash in alkali-activated conditions. Coal fly ash is widely used as a source material for geopolymer synthesis since it contains a sufficient amount of reactive alumina and silica for geopolymerization. …”
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  3. 263
    “…European ash, Fraxinus excelsior is facing the double threat of ongoing devastation by the invasive fungal pathogen, Hymenoscyphus fraxineus and the imminent arrival of the non-native emerald ash borer (EAB), Agrilus planipennis. …”
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  4. 264
    “…After exposure to ash leachate at high (0.25 g ash l(−1)) and low (0.08 g ash l(−1)) concentrations for 4 days, natural microbial communities had 59–154% higher particulate organic carbon concentrations than communities without ash leachate additions. …”
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  5. 265
    “…One alternative that has gained interest in recent years involves the use of municipal solid waste incineration (MSWI) bottom ash (BA) as clinker/cement replacement. This paper studies the application of MSWI BA in three different ways: (i) aggregate (0 to 100 v/v %), (ii) partial binder substitute (0 to 30 v/v %), and (iii) filler (5 v/v %). …”
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  6. 266
    “…Although the characterization of the sticking and aggregation probability is essential to the description of volcanic ash dispersal and sedimentation, there is still no general model describing the sticking probability of volcanic ash. …”
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  7. 267
  8. 268
    “…In this paper, we report the results of our investigation on the possibility of producing foam concrete by using a geopolymer system. Class C fly ash was mixed with an alkaline activator solution (a mixture of sodium silicate and NaOH), and foam was added to the geopolymeric mixture to produce lightweight concrete. …”
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  9. 269
    “…Agrilus planipennis Fairmaire (emerald ash borer) is a serious invasive insect pest that has killed tens of millions of North American ash (Fraxinus spp) trees and threatens the very existence of the genus Fraxinus. …”
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  10. 270
    “…Volcanic eruptions can generate widespread deposits of ash that are subsequently subjected to erosive forces which causes detrimental effects on ecosystems. …”
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  11. 271
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  14. 274
    “…In the sorption-phase experiments, pine sawdust showed 23% sorption when a concentration of 100 mg Cr(VI)·L(−1) was added, whereas sorption on oak wood ash was 17%. In the desorption-phase, chromium release was clearly higher from pine sawdust than from oak wood ash (98% and 66%, respectively). …”
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  15. 275
    por Okoye, F.N., Durgaprasad, J., Singh, N.B.
    Publicado 2015
    “…Geopolymer concrete mixes were cast using fly ash, kaolin, sodium hydroxide, potassium hydroxide, sodium silicate and aggregates. …”
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  16. 276
    “…BACKGROUND: To develop a set of transcriptome sequences to support research on environmental stress responses in green ash (Fraxinus pennsylvanica), we undertook deep RNA sequencing of green ash tissues under various stress treatments. …”
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  17. 277
  18. 278
    “…In this study, a low-cost agricultural waste, rice husk ash (RHA), was used as a silicon source to the synthesis of silica nanofluids. …”
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  20. 280
    “…In adult mutants, loss of Ash1l leads to more proliferative keratinocytes in disturbed differentiation stages. …”
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