Home Itens selecionados Provedores de dados OAI Créditos Sobre Ajuda

			Busca avançada
	Provedor de dados Rev. Bras. Zool. (1) CIGR Journal (1) Autor Bezerra,Luis E. A. (1) Coelho,Petrônio A. (1) Esmaili, Masoomeh (1) Rahimi-Ajdadi, Fatemeh (1) Palavra-chave SEM analysis (2) Biofuel (1) Combined pretreatment (1) Distinctness (1) Gulf of Mexico (1) Lignin removal (1) Morphological characteristics (1) Phenol (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2021 (1) 2009 (1) País Brazil (1) China (1) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Effect of Chemical-Hydrothermal Pretreatments on Compositional and Morphological Changes of Spruce Wood Exploited in Biogas Systems CIGR Journal Rahimi-Ajdadi, Fatemeh; Esmaili, Masoomeh. Agricultural crops and forest residues are of valuable resources to produce biofuel due to anaerobic digestion. But, the recalcitrance nature of these lignocellulose residues limits its enzymatic degradation. Therefore, efficient pretreatments prior to anaerobic digestion are essential. Hydrothermal-chemical pretreatments using Phenol (Ph), Sodium Hydroxide (SH), and Phosphoric Acid (PA), and combined pretreatments included Ph+SH and Ph+PA as chemical pretreatments were used for spruce wood. The samples were put into the autoclave at 134º C for 20 min. Acid hydrolysis, FTIR and SEM analyses were carried out. The results indicated that all pretreatments were effective lignin removal having the highest value for Ph (42.362%). Adding Ph to PA increased lignin... Tipo: Info:eu-repo/semantics/article Palavras-chave: Biofuel; Combined pretreatment; Lignin removal; Phenol; SEM analysis. Ano: 2021 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6855 Intraspecific variation in preserved specimens of the fiddler crabs Uca panacea and Uca pugilator (Decapoda: Ocypodidae) Rev. Bras. Zool. Bezerra,Luis E. A.; Coelho,Petrônio A.. The fiddler crabs Uca panacea Novak & Salmon, 1974 and Uca pugilator (Bosc, 1802) are closely related North American species that are sympatric along the north coast of Gulf of Mexico. Since U. panacea was described, there has been confusion in the identification these two species. Morphological differences between these two fiddlers have been pointed out in recent years, mainly regarding the presence of a pigment spot and granulations on the dorsal margin of carapace in U. pugilator. We report herein some intraspecific differences between the two species that we believe to be useful in avoiding misidentification among preserved specimens of these two fiddler crabs, such as the absence of the pigment spot in U. pugilator and the presence of the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Distinctness; Gulf of Mexico; Morphological characteristics; SEM analysis. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100024 Registros recuperados: 2 Primeira ... 1 ... Última

Empresa Brasileira de Pesquisa Agropecuária - Embrapa Todos os direitos reservados, conforme Lei n° 9.610 Política de Privacidade Área restrita		Embrapa Parque Estação Biológica - PqEB s/n° Brasília, DF - Brasil - CEP 70770-901 Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco