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| Trugilho,Paulo Fernando; Goulart,Selma Lopes; Assis,Claudinéia Olímpia de; Couto,Fernanda Bueno Sarro; Alves,Isabel Cristina Nogueira; Protásio,Thiago de Paula; Napoli,Alfredo. |
| O objetivo deste trabalho foi avaliar o efeito do material genético, clones e espécies, e da classe de diâmetro nas características de crescimento, composição química, densidade básica e a estimativa de massa seca de madeira. Foram avaliados quatro clones e cinco espécies, aos quatro anos de idade, de Eucalyptus procedentes da empresa RIMA Industrial S.A. Foram avaliadas cinco árvores por clone e espécie em três e quatro classes diamétricas, respectivamente. Avaliaram-se as características individuais de crescimento da árvore, a densidade básica, a estimativa de massa seca, o teor de lignina, extrativos totais, holocelulose e cinzas. O volume, com e sem casca, e a estimativa de massa seca apresentaram efeito significativo de material genético (clone e... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Qualidade; Madeira jovem; Eucalipto. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000400661 |
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| Scatolino,Mário Vanoli; Costa,Andrey de Oliveira; Guimarães Júnior,José Benedito; Protásio,Thiago de Paula; Mendes,Rafael Farinassi; Mendes,Lourival Marin. |
| ABSTRACT The wood panel industry is constantly growing, being necessary the innovation in technologies and raw materials to improve the quality of the final product. Considering the shortage and pressure to decrease the dependence of wood, there is an interest in other renewable materials such as agricultural wastes. Among these wastes, coffee parchment is one which deserves notoriety. An alternative use for coffee parchment could be for production of particleboard in association with wood particles. This study aimed to evaluate the feasibility of using coffee parchment for production of particleboard. The following percentages of wastes were used: 0, 10, 20, 30, 40 and 50% in association to eucalyptus wood. The panels were produced with 8% of urea... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agricultural waste; Lignocellulosic material; Renewable material. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542017000200139 |
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| Protásio,Thiago de Paula; Trugilho,Paulo Fernando; Napoli,Alfredo; Silva,Marcela Gomes da; Couto,Allan Motta. |
| The objective of this work was to evaluate the carbonization yield of babassu nutshell as affected by final temperature, as well as the energy losses involved in the process. Three layers constituting the babassu nut, that is, the epicarp, mesocarp and endocarp, were used together. The material was carbonized, considering the following final temperatures: 450, 550, 650, 750, and 850ºC. The following were evaluated: energy and charcoal yields, pyroligneous liquid, non-condensable gases, and fixed carbon. The use of babassu nutshell can be highly feasible for charcoal production. The yield of charcoal from babassu nutshell carbonization was higher than that reported in the literature for Eucalyptus wood carbonization, considering the final temperature of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Alternative biomass; Charcoal; Iron industry; Renewable energy. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2014000300189 |
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| Braga,Rafael Malfitano; Dias Junior,Moacir de Souza; Braga,Francisco de Assis; Protásio,Thiago de Paula. |
| Planted forests have been increasingly highlighted in the Brazilian scenario, maintaining status regarding their environmental effects, among them those related with soils. The objectives of this work were to evaluate and to compare the physical attributes of a typic distroferric Red Latosol under Eucalyptus cloeziana, E. grandis, E. Pilularis and Corymbia maculata coverage, 37 years after being planted at the Federal University of Lavras campus. The soil profiles were sampled down to 1 m depth in order to analyze their particle-size distribution, porosity, structure and water retention. The results were submitted to analysis of variance, Scott-Knott multiple means comparison test, correlations and linear regression. The profiles presented appropriated... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Soil porosity; Soil structure; Water retention in soil. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542013000400004 |
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