Buscar
Mostrando ítems 1-10 de 186
Dissolving pulps by oxidation of the cellulosic fraction of lignocellulosic waste
(Editura Acad Romane, 2017-12)
The cellulosic fractions of Eucalyptus sp. sawdust pulp and of sugarcane bagasse pulp, which have been subjected to hydrothermal and alkaline treatments, were purified by oxidative means (oxygen and ozone followed by an ...
Dissolving pulps by oxidation of the cellulosic fraction of lignocellulosic waste
(Editura Acad Romane, 2017-12-01)
Cellulosic fractions of Eucalyptus sp. sawdust pulp and of sugarcane bagasse pulp, which had been subjected to hydrothermal and alkaline treatments, were purified by oxidative means (oxygen and ozone, followed by an alkaline ...
KRAFT AND KRAFT/AQ PULPING FROM PREHIDROLYZED WOOD OF HYBRID Eucalyptus urophylla x grandis
(Centro Pesquisas Florestais, Ufsm, 2016-10-01)
The wood of the gender Eucalyptus occupies a prominence place among other cellulose sources due to its chemical composition, its low cost, abundance and availability. Among the chemical pulping processes, kraft process is ...
Pulp tissue dissolution when the use of sodium hypochlorite and EDTA alone or associated
(2011-09-12)
Purpose: The aim of the present study was to evaluate the tissue dissolving capacity of various concentrations of sodium hypochlorite either alone or in combination with 17% EDTA. Methods: Eighty bovine pulp fragments were ...
Pulp tissue dissolution when the use of sodium hypochlorite and EDTA alone or associated
(2011-09-12)
Purpose: The aim of the present study was to evaluate the tissue dissolving capacity of various concentrations of sodium hypochlorite either alone or in combination with 17% EDTA. Methods: Eighty bovine pulp fragments were ...
KRAFT AND KRAFT/AQ PULPING FROM PREHIDROLYZED WOOD OF Eucalyptus urograndisPOLPAÇÃO KRAFT E KRAFT/AQ DA MADEIRA PRÉ-HIDROLISADA DE Eucalyptus urograndis
(Universidade Federal de Santa Maria, 2016)
Estudo das propriedades químicas e antimicrobianas das soluções de hipoclorito de sódio
(Universidade Federal de Santa MariaBROdontologiaUFSMPrograma de Pós-Graduação em Ciências Odontológicas, 2012-03-29)
The objective of this study was to evaluate the dissolution of bovine pulp tissue by NaOCl solutions in different concentrations for a similar period to the time of root canal preparation, and chemical and antimicrobial ...
Aperfeiçoamento de processos de produção de polpas de eucalipto para dissolução e papel tissueImprovement of the processes for the production of dissolving pulp and tissue paper from eucalyptus
(Universidade Federal de ViçosaBRAgroquímica analítica; Agroquímica inorgânica e Físico-química; Agroquímica orgânicaMestrado em AgroquímicaUFV, 2015)
Analysis of bovine pulp tissue dissolution ability by photodynamic therapy: an in vitro studyAnálise da capacidade de dissolução de tecido pulpar bovino através da terapia fotodinâmica: estudo in vitro
(EDIPUCRSPorto Alegre, 2011)
Purpose: To evaluate the bovine pulp tissue dissolution ability of photodynamic therapy. Methods: Twenty pieces of bovine pulp tissue were weighed and divided randomly into four groups (n=5), according to the cleaning ...