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dc.creatorHein, Paulo Ricardo Gherardi-
dc.creatorSá, Vânia Aparecida-
dc.creatorBufalino, Lina-
dc.creatorMendes, Lourival Marin-
dc.identifier.citationHEIN, P. R. G. et al. Calibrations based on Near Infrared Spectroscopic data to estimate wood-cement panel properties. BioResources, Raleigh, v. 4, n. 4, p. 1620-1634, 2009.pt_BR
dc.description.abstractSome scientific contributions have used near infrared (NIR) spectroscopy as a rapid and reliable tool for characterizing engineered wood products. However, to our knowledge, there are no published papers that used this technique in order to evaluate wood-cement panels. The main objective of this paper was to evaluate the ability of NIR spectroscopy to estimate physical and mechanical properties in wood-cement panels. The wood-cement panels were produced using Eucalyptus grandis x E. urophylla, Pinus taeda, and Toona ciliata woods with Portland cement under different manufacturing conditions. Wood-cement panels were characterized by traditional methods, and Partial Least Squares regressions were used to build calibrations. Our cross-validated models for MOR, IB, and TS24h of the panels yielded good coefficients of determination (0.80, 0.82, and 0.91, respectively). Based on the significant absorption bands and regression coefficients of the PLS models, our results indicate that cellulose and aromatic groups in lignin are components that play an important role in the calibrations.pt_BR
dc.publisherCollege of Natural Resources - North Carolina State Universitypt_BR
dc.subjectPartial least squares regressionpt_BR
dc.subjectWood productspt_BR
dc.subjectInternal bondpt_BR
dc.subjectWater absorptionpt_BR
dc.subjectThickness swellingpt_BR
dc.subjectEspectroscopia de infravermelho próximopt_BR
dc.subjectPainéis cimento-madeira - Propriedadespt_BR
dc.subjectRegressão dos mínimos quadrados parciaispt_BR
dc.subjectProdutos de madeirapt_BR
dc.subjectÁgua - Absorçãopt_BR
dc.titleCalibrations based on Near Infrared Spectroscopic data to estimate wood-cement panel propertiespt_BR
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