22 research outputs found
A practical method for gas changing time estimation using a simple gas-liquid mass transfer model
Get PDFThe present work explains a practical and simple method to calculate the gas changing time of anaerobic systems. It is substantiated under the physics of gas-liquid transfer theory and allows researchers to obtain an approximate value of gas changing time with few measurements of the gas composition in the outlet of the reactor. The only analytical equipment required is a gas analyzer, and calculations can be done using a spreadsheet. Along with the validation of the model, a short guide for its application in the laboratory is introduced. The model fits the experimental data with less than 1% error in the composition of the out-gas when no carbon dioxide is involved. This method will allow savings in valuable resources such as time and gases while providing greater comprehension of the characteristics of the gas-liquid transfer of the studied system
Infiltration of Natural Caries Lesions in Relation to Their Activity Status and Acid Pretreatment in vitro
Full text linkEffectiveness of probiotics in the prevention of carious lesions during treatment with fixed orthodontic appliances.
Full text linkInfluence of highly concentrated fluoride dentifrices on remineralization characteristics of enamel in vitro
No full textEfcd Curriculum For Undergraduate Students In Integrated Conservative Oral Healthcare (Conscare)
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Progression of Sealed Initial Bovine Enamel Lesions under Demineralizing Conditions in vitro
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Preparation and Characterization of Albumin Conjugates of a Truncated Peptide YY Analogue for Half-Life Extension
No full textInfluence of Adhesive Systems on Bond Strength between Fiber Posts and Composite Resin Cores in a Pull-out Test Design
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