Academic literature on the topic 'Extractable from woods'

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Journal articles on the topic "Extractable from woods"

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Martínez-Gil, Ana, Maria del Alamo-Sanza, Rosario Sánchez-Gómez, and Ignacio Nevares. "Different Woods in Cooperage for Oenology: A Review." Beverages 4, no. 4 (2018): 94. http://dx.doi.org/10.3390/beverages4040094.

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Contact of wine with wood during fermentation and ageing produces significant changes in its chemical composition and organoleptic properties, modifying its final quality. Wines acquire complex aromas from the wood, improve their colour stability, flavour, and clarification, and extend their storage period. New trends in the use of barrels, replaced after a few years of use, have led to an increased demand for oak wood in cooperage. In addition, the fact that the wine market is becoming increasingly saturated and more competitive means that oenologists are increasingly interested in tasting di
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Каретникова (Karetnikova), Наталья (Natal'ja) Викторовна (Viktorovna), Лариса (Larisa) Валерьевна (Valer'evna) Чендылова (Chendylova), and Роберт (Robert) Зусьевич (Zus'evich) Пен (Pen). "DELIGNIFICATION OF FLAX SHIVE." chemistry of plant raw material, no. 1 (November 23, 2017): 155–62. http://dx.doi.org/10.14258/jcprm.2018012757.

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Delignification of the flax shive (wastes of oakum and heat insulation production) was studied. Chemical composition of the work material (mass parts in percents from the bone-dry material): cellulose 30,7, lignin 33,1, pentosans 28,0, extractable by organic solvent 4,3, extractable by hot water 5,4, ash 1,7. The flax shive was delignificated in laboratory condition by means of peracetic acid, hydrogen peroxide and sulfate cooking solution. The conditions of peracetic pulping: initial mass part of the «icy» acetic acid in cooking solution 0,65, perhydrol 0,35, the catalyst concentration (sodiu
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Kelsey, Rick G., and Mark E. Harmon. "Distribution and variation of extractable total phenols and tannins in the logs of four conifers after 1 year on the ground." Canadian Journal of Forest Research 19, no. 8 (1989): 1030–36. http://dx.doi.org/10.1139/x89-157.

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Concentrations of extractable total phenols and tannins have been analyzed in the outer bark, inner bark, sapwood, and heart wood from logs of four conifer species, after 1 year on the ground. To estimate decay rates, initial tissue densities were compared with those after 1 and 2 years of decomposition. The four species studied, Pacific silver fir (Abiesamabilis Dougl. ex Forbs), western hemlock (Tsugaheterophylla (Raf.) Sarg.), Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco), and western red cedar (Thujaplicata D. Don) represent a gradient of decay resistance. Within a species, outer bark
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Chen, Y., and T. C. Bond. "Light absorption by organic carbon from wood combustion." Atmospheric Chemistry and Physics Discussions 9, no. 5 (2009): 20471–513. http://dx.doi.org/10.5194/acpd-9-20471-2009.

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Abstract. Carbonaceous aerosols affect the radiative balance of the Earth by absorbing and scattering light. While BC is highly absorbing, some organic compounds also have significant absorption, which is greater at near-ultraviolet and blue wavelengths. To the extent that OC absorbs visible light, it may be a non-negligible contributor to direct aerosol radiative forcing. In this work, we examine absorption by primary OC emitted from solid fuel pyrolysis. We provide absorption spectra of this material, which can be related to the imaginary refractive index. This material has polar character b
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Chen, Y., and T. C. Bond. "Light absorption by organic carbon from wood combustion." Atmospheric Chemistry and Physics 10, no. 4 (2010): 1773–87. http://dx.doi.org/10.5194/acp-10-1773-2010.

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Abstract. Carbonaceous aerosols affect the radiative balance of the Earth by absorbing and scattering light. While black carbon (BC) is highly absorbing, some organic carbon (OC) also has significant absorption, especially at near-ultraviolet and blue wavelengths. To the extent that OC absorbs visible light, it may be a non-negligible contributor to positive direct aerosol radiative forcing. Quantification of that absorption is necessary so that radiative-transfer models can evaluate the net radiative effect of OC. In this work, we examine absorption by primary OC emitted from solid fuel pyrol
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Stevens, Robert K., C. W. Lewis, T. G. Dzubay, L. T. Cupitt, and Joellen Lewtas. "Sources of Mutagenic Activity in Urban Fine Particles." Toxicology and Industrial Health 6, no. 5 (1990): 81–94. http://dx.doi.org/10.1177/074823379000600506.

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Samples were collected during the winter of 1984—1985 in the cities of Albuquerque, NM and Raleigh NC as part of a US Environmental Protection Agency study to evaluate methods to determine the emission sources contributing to the mutagenic properties of extractable organic matter (EOM) present in fine particles. Data derived from the analysis of the composition of these fine particles served as input to a multi-linear regression (MLR) model used to calculate the relative contribution of wood burning and motor vehicle sources to mutagenic activity observed in the extractable organic matter. At
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Loehr, R. C., L. A. Rogers, and D. C. Erickson. "Mobility of Residues at Petroleum Industry Hazardous Waste Land Treatment Sites." Water Science and Technology 25, no. 3 (1992): 191–96. http://dx.doi.org/10.2166/wst.1992.0092.

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This study determined: (a) waste constituents remaining at long-term hazardous waste land treatment (HWLT) sites, and (b) the potential for subsequent degradation and migration of these constituents. Soils from six depths from random test pits at two oil refinery sites and a wood preserving site were evaluated for specific metals and organics. In surface soils, concentrations of organics and metals were greater than in background soils. At depths below 24-30” (60-76 cm) at the HWLT sites, PAH concentrations were below detection limits and the freon-extractable concentrations were at background
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LaZerte, Bruce, and Joe Findeis. "Acidic leaching of a Podzol Bf horizon from the Precambrian Shield, Ontario, Canada." Canadian Journal of Soil Science 74, no. 3 (1994): 321–33. http://dx.doi.org/10.4141/cjss94-045.

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Illuviated mineral horizons (Bf) from a Podzol on the Precambrian Shield, Ontario, Canada were collected, placed in columns and treated with distilled water, cation amended water, acidified water or cation and acid amended water over a 4-mo period. While the cation treatment had little effect relative to the control, the acid treatment removed large quantities of Al, Si and base cations. The source of the leached Al was primarily (~ 70%) dithionite–citrate–bicarbonate (DCB) extractable Al, apparently some form of amorphous gibbsite. Organic Al (pyrophosphate extractable) contributed only about
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CHUDE, V. O., G. O. OBIGBESAN, and N. E. EGBE. "MICRONUTRIENT STATUS OF SELECTED CACAO-GROWING SOILS IN SOUTHWESTERN NIGERIA: PROFILE DISTRIBUTION OF TOTAL AND AVAILABLE ZINC." Canadian Journal of Soil Science 65, no. 1 (1985): 21–24. http://dx.doi.org/10.4141/cjss85-003.

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A study was conducted to determine the content and distribution of total 1.0 M NH4OAc-, 0.1 M HCl-, 1 M MgCl2-, and 0.005 M DTPA-extractable Zn in the genetic horizons of 16 soil profiles from major cacao-growing areas in Southwestern Nigeria. The content of total Zn for all the soils varied from 12 to 92 μg/g with soils derived from igneous and metamorphic rocks containing more than those of sedimentary origin. Most of the soils had the highest concentration of total Zn in the surface horizons. There was a strong association between total Zn and organic matter, total Zn and silt/clay content.
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Osman, Noridah B., Armando G. McDonald, and Marie-Pierre G. Laborie. "Analysis of DCM extractable components from hot-pressed hybrid poplar." Holzforschung 66, no. 8 (2012): 927–34. http://dx.doi.org/10.1515/hf-2012-0011.

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Abstract The effects of thermal compression on the organic-soluble material of a uniform wood substrate, hybrid poplar (clone OP-367), has been studied. Poplar veneers were preconditioned to 0% or 8% moisture content and subsequently hot pressed at 150°C, 200°C, and 250°C. The dichloromethane (DCM) extracts were characterized by various hyphenated analyses [gas chromatography-mass spectrometry (GC-MS), analytical pyrolysis (Py-GC-MS), electrospray ionization-mass spectrometry (ESI-MS), and gel permeation chromatography (GPC)]. The yields and composition of extractable compounds were markedly i
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Dissertations / Theses on the topic "Extractable from woods"

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Eid, Georges. "Nouveaux dérivés lipophiles ou amphiphiles de composés phénoliques bio-sourcés à propriétés antioxydantes, anti-inflammatoires et/ ou anti-prolifératives." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0166.

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La diminution des ressources pétrochimiques facilement accessibles, suscite, depuis ces dix dernières années, un intérêt croissant pour l'utilisation de matières première d'origine renouvelable. L'industrie de première transformation du bois génère chaque année des volumes importants de déchets qui sont à l'heure actuelle, soit recyclés vers d'autres filières comme la papeterie ou l'industrie des panneaux, soit utilisés comme source d'énergie, et donc vers des marchés de faible valeur ajoutée. Le projet se situe dans ce contexte de développement durable, d'économie circulaire et de valorisatio
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Conference papers on the topic "Extractable from woods"

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Lukutcova, Natal'ya, A. A. Pykin, E. Gornostaeva, K. Kolotvin, and V. Krasnyy. "METHOD FOR PREPARING FILLER FROM FRESH CUTTED DECIDUAL SPECIES FOR PRODUCING ARBOLITE." In Ecological and resource-saving technologies in science and technology. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2022. http://dx.doi.org/10.34220/erstst2021_124-128.

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The efficiency of application of the developed method of preparation of wood filler (WF) from freshly cut hardwood for wood concrete for arbolite is shown, which makes it possible to obtain lightweight concrete with compressive strength exceeding the control compositions without WF treatment, after 3 days of hardening by 2-2.7 times, and after 28 days – 2-2.9 times. The treatment of wood filler with an aqueous solution of nanosilica sol leads to blocking the release of extractable substances from the WF due to the penetration of SiO2 particles 20-40 nm in size into the vascular system of wood
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