Now showing items 1-10 of 1252
Solubility, porosity and fluid uptake of calcium silicate-based cements
(Univ Sao Paulo Fac Odontologia Bauru, 2018-01-01)
Objective: To evaluate the absorption/fluid uptake, solubility and porosity of White mineral trioxide aggregate (MTA) Angelus, Biodentine (BIO), and zinc oxide-eugenol (ZOE). Material and Methods: Solubility was evaluated ...
Influences of the insertion method in glass ionomer cement porosity
The aim of this study was to evaluate the presence of porosities inside the glass ionomer cement (GIC) after different techniques of material insertion. MATERIAL and METHOD: Specimens were prepared with high-viscosity GIC ...
Porosity measurement of solid pharmaceutical dosage forms by gamma-ray transmission
(Pergamon-Elsevier B.V. Ltd, 2010-12-01)
The aim of the present work is the determination of porosity in tablets by using the gamma-ray transmission technique Tablet dissolution depends on some inherent characteristics of the manufacturing process, such as ...
Correlating soil porosity and respective geological unit in Paraíba do sul Valley, Brazil: a geostatistical methodology proposal
This manuscript aims proposing a methodology for correlating soil porosity to the respective geological units using geostatistical analysis techniques, including interpolation data by kriging. The site studied was in Lorena ...
Measurement of Interfacial Porosity at the Acrylic Resin/Denture Tooth Interface
Purpose: Small pores of almost uniform shape and size are common in polymeric materials; however, significant porosity can weaken a denture base resin and promote staining, harboring of organisms such as Candida albicans, ...
POROSITY ENHANCEMENT IN SOME BAKED CLAY SAMPLES UNDER HYDROTHERMAL TREATMENTS
(Sociedad Chilena de Química, 2007)
The effect of biomass immobilization support material and bed porosity on hydrogen production in an upflow anaerobic packed-bed bioreactor
The aim of this study was to investigate the effect of the support material used for biomass attachment and bed porosity on the potential generation of hydrogen gas in an anaerobic bioreactor treating low-strength wastewater. ...
Effect of Ultrasonic Excitation on the Porosity of Glass Ionomer Cement: A Scanning Electron Microscope Evaluation
Background: Ultrasonic excitation (US) was applied to glass ionomer cement (GIC) during early set time to increase the advantageous properties of this material. Purpose: The aim of this in vitro study was to assess the ...
Propriedades físicas de um latossolo vermelho cultivado no sistema plantio direto
The pressure caused by agricultural machinery traffic many result in soil compactation in no-tillage system. The aim of this work was to evaluate no-tillage system onset,time on some physical properties, index S and organic ...