Buscar
Mostrando ítems 1-10 de 229
Effect of a hydrogen peroxide bleaching agent with calcium and phosphorus-containing salts on enamel surface hardness and roughness
(2021-08-01)
PURPOSE: To evaluate whether adding calcium and phosphorus-containing salts to 35% hydrogen peroxide at saturation concentrations with respect to hydroxyapatite would reduce its deleterious effects on bleached enamel or ...
Teste De Envelhecimento Acelerado Em Sementes De Quiabo
(2010-07-01)
The objective of this research was to study the accelerated aging test to evaluate the okra vigor seed. Were used four okra seed lots cv. Santa Cruz. The initial seed lot quality was evaluate by the moisture content, ...
Experimental and Mathematical Description of Sorption Isotherms and Thermodynamic Properties of Salted and Dried African Catfish (Clarias gariepinus)
(WALTER DE GRUYTER GMBH, 2012)
Sorption isotherms and thermodynamic properties of brine salted and dried (BSD) and dry salted and dried (DSD) African catfish in the water activity (aw) range (0.33-0.85) was determined and compared at 25, 30 and 40C using ...
Placas ósseas corticais bovina: avaliações mecânicas e microbiológica após conservação em diferentes meios.
(Universidade Federal do Espírito SantoBRPrograma de Pós-Graduação em Ciências VeterináriasUFESMestrado em Ciências Veterinárias, 2010-04-30)
O metal é o material classicamente usado na confecção de implantes cirúrgicos para reparação de fraturas. Na tentativa de se evitar problemas de biocompatibilidade e osteoindução, o emprego de biomateriais tem sido proposto ...
Separation system synthesis for fractional crystallization from solution using a network flow model
(AMER CHEMICAL SOC, 1998)
A method is presented to synthesize process flowsheets for separations of mixtures by fractional crystallization. Using equilibrium data for a candidate set of potential operating point temperatures, a network flow model ...