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Acorn chemical composition varied among species and among maturity stages
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561por Wang, Hui, Hu, Lingxuan, Cao, Peng, Luo, Baoxin, Tang, Jing, Shi, Feiting, Yu, Jinyan, Li, Hongjie, Jin, Kaikai“…The mass ratio of rice husk ash in each w/c ratio of specimens ranged from 0% to 15% by t mass of cement. …”
Publicado 2019
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562“…Additionally, data for ash concentration in tibia and foot were compared with data for total amount of ash. …”
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563“…Fly ash was partially replaced by CAC with 2.5%, 5% and 7.5%. …”
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564“…Biomass-based fly ash and wastewater are undesired products of the pulping industry. …”
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565“…[Image: see text] The nanocarbon particles and diesel are used as hydrophobic solid particles and the liquid phrase to produce the mixture collector for the flotation separation of unburned carbon (UC) particles from gasification ash. Scanning electron microscopy/energy-dispersive spectrometry and mercury porosimeter measures were used to prove the filling of nanocarbon particles in the pores of UC particles. …”
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566“…The terminal diarsene HAs=AsH ligand attracts special interest concerning its bonding relation in comparison to its isolable relative, ethene. …”
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567“…Reactivity of metakaolin and fly ash was investigated by powder X-ray diffraction (XRD) and dissolution tests. …”
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568“…D. nishinomiyaensis strain TSA37 was isolated from the ash pan of a residential wood pellet stove. A genome assembly of 3,130,592 bp was generated, with an N(50) value of 197,547 bp and a calculated G+C content of 69.01%.…”
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569“…This paper presents a study of parameters affecting the fibre pull out capacity and strain-hardening behaviour of fibre-reinforced alkali-activated cement composite (AAC). Fly ash is a common aluminosilicate source in AAC and was used in this study to create fly ash based AAC. …”
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570por Noble, Alice, Palmer, Sheila M., Glaves, David J., Crowle, Alistair, Holden, Joseph“…S. capillifolium and C. introflexus responded positively to ash deposition. Less polluted rain limited growth of C. introflexus. …”
Publicado 2017
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571“…The partial replacement of waste materials, such as bottom ash and marble powder to cement, leads to a significant reduction in carbon dioxide emissions. …”
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572por Rutkowska, Gabriela, Wichowski, Piotr, Franus, Małgorzata, Mendryk, Michał, Fronczyk, Joanna“…This article focuses on the impact of fly ash from the combustion of municipal sewage sludge (FAMSS) as a cement additive in the amounts of 5%, 10%, 15%, 20% and 25% (by mass) on selected concrete properties. …”
Publicado 2020
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573“…The soda ash industry is a part of the chemical industry, which is responsible for the production of sodium carbonate, calcium chloride, absorbent masses, evaporated wet salt, food salt, pickling salt or salt tablets. …”
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574“…In this work, medical waste (MW) incinerator fly ashes from different types of incinerators were subjected to supercritical water (SCW) and SCW + H(2)O(2) (SCWH) treatments. …”
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575por Maryoto, Agus, Sthenly Gan, Buntara, Intang Setyo Hermanto, Nor, Setijadi, Rachmad“…According to the testing, we have found that with the addition of calcium stearate at 1 kg/m(3) in self-compacting concrete (SCC) with 10% fly ash, the mechanical and physical properties of SCC can be improved significantly when compared to the SCC without fly ash and calcium stearate, resulting in a stable compressive strength, lower water absorption, lower chloride ion infiltration, and lower degree of corrosion attack.…”
Publicado 2020
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576por Paludan-Müller, Asger Sand, Boesen, Kim, Klerings, Irma, Jørgensen, Karsten Juhl, Munkholm, Klaus“…BACKGROUND: Handwashing is important to reduce the spread and transmission of infectious disease. Ash, the residue from stoves and fires, is a material used for cleaning hands in settings where soap is not widely available. …”
Publicado 2020
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577“…This paper aimed to report the effects of fly ash (FA) on the mechanical properties and hydration of calcium sulfoaluminate-activated supersulfated cement (CSA-SSC). …”
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578por Buema, Gabriela, Lupu, Nicoleta, Chiriac, Horia, Roman, Tiberiu, Porcescu, Marieta, Ciobanu, Gabriela, Burghila, Daniela Vasilica, Harja, Maria“…This study has as objectives the advanced capitalization of fly ash, by sulphuric acid activation methods, and testing of synthesized materials for heavy metals removal. …”
Publicado 2020
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579The Relationship between Fungal Diversity and Invasibility of a Foliar Niche—The Case of Ash Diebackpor Agan, Ahto, Drenkhan, Rein, Adamson, Kalev, Tedersoo, Leho, Solheim, Halvor, Børja, Isabella, Matsiakh, Iryna, Timmermann, Volkmar, Nagy, Nina Elisabeth, Hietala, Ari Mikko“…European ash (Fraxinus excelsior) is threatened by the invasive ascomycete Hymenoscyphus fraxineus originating from Asia. …”
Publicado 2020
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580“…Supplementary cementitious materials (SCM) can reduce the total amount of Portland cement clinker in concrete production. Rice husk ashes (RHA) can be converted from an agricultural by-product to a high-performance concrete constituent due to a high amount of reactive silica with pozzolanic properties if they are burnt under controlled conditions. …”
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