Search Results - "Ramos, Antônio C.S."

Flocculation of Asphaltenes by Polymers: Influence of Polymer Solubility Conditions by Mazzeo, Claudia P. P, Stedille, Flaviane A, Mansur, Claudia R. E, Ramos, Antônio C. S, Lucas, Elizabete F

“…Sulfonated polystyrene has shown flexible action as an asphaltene dispersant/flocculant as a function of the degree of sulfonation and concentration used. In…”
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Different carbon nanostructured materials obtained in catalytic chemical vapor deposition by Veríssimo, Carla, Moshkalyo, Stanislav A., Ramos, Antônio C. S., Gonçalves, José L., Alves, Oswaldo L., Swart, Jacobus W.

“…Different carbon nanostructured materials, such as nanotubes, nanofibers, nanosprings and nanooctopus, were grown by changing the metal catalyst and…”
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Pour point depressant: identification of critical wax content and model system to estimate performance in crude oil by Steckel, Letícia, Nunes, Rita C.P., Rocha, Paulo C.S., Ramos, Antônio C.S., Alvares, Dellyo R.S., Lucas, Elizabete F.

“…•Correlation between modified EVA structure and wax pour point behavior.•The presence of hydroxyl group improves the performance for higher wax content.•There…”
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The Hildebrand Solubility Parameter and Its Importance in the Scientific and Technological Scenario of Flow Assurance Operations by Zalamena, Gabriela, Lopes, Toni J., Lucas, Elizabete F., Ramos, Antônio C. S.

“…The Hildebrand solubility parameter has been applied in several areas of science and engineering, assuming a relevant role in new scientific developments and…”
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Characterization of the urinary bladder dysfunction in renovascular hypertensive rats by Ramos-Filho, Antonio C.S., Mónica, Fabíola Z.T., Franco-Penteado, Carla F., Rojas-Moscoso, Julio A., Báu, Fernando R., Schenka, André A., De Nucci, Gilberto, Antunes, Edson

“…Aims Association between arterial hypertension and urinary bladder dysfunction has been reported in humans and spontaneously hypertensive rats. However, no…”
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Aggregation Behavior of Two Asphaltenic Fractions in Aromatic Solvents by Mohamed, Rahoma S, Ramos, Antônio C. S, Loh, Watson

“…Data on the behavior of crude oil n-pentane- and n-heptane-insoluble fractions in aromatic solvent systems were obtained. Surface and interfacial tensions in…”
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REVERSIBILITY AND INHIBITION OF ASPHALTENE PRECIPITATION IN BRAZILIAN CRUDE OILS by Mohamed, Rahoma S., Loh, Watson, Ramos, Antonio C. S., Delgado, Claudio C., Almeida, Valdeci R.

“…A fundamental understanding of the aggregation and precipitation of asphaltenes in petroleum crudes is important for the development of preventive and curative…”
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AGGREGATION OF ASPHALTENES OBTAINED FROM A BRAZILIAN CRUDE OIL IN AROMATIC SOLVENTS by Loh, Watson, Mohamed, Rahoma S., Ramos, Antonio C. S.

“…Surface and interfacial tensions in model systems formed by a Brazilian crude oil n-pentane insolubles (C5I) and n-heptane insolubles (C7I) in three different…”
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