Emulsões de petróleo bruto: efeito do conteúdo aquoso e da adição de sistemas auto-organizáveis com surfactante [PDF]
, 2021 Water-in-oil emulsions of crude oil can present high viscosity, requiring techniques to viabilize their exploration and flow. As an alternative, oil-in-water microemulsions can be added on petroleum emulsions.
Ayupe de Souza Mendonça, Ricardo +2 more
core +2 more sources
Techniques for Steamflooding improvement [PDF]
, 2022 One of the main challenges in developing a process of continuous steam injection is to control the injection profile. Said profile is strongly affected by steam channeling to “thief zones” and the gravitational effect of override, both are characterized ...
Ariza Tarazona, Maria Camila +3 more
core +2 more sources
Physical chemical properties and kinetics of redox processes in water/soybean oil microemulsions [PDF]
, 2008 Water/oil microemulsions (w/o ME) constituted by water, soybean oil, SDS (sodium dodecyl sulfate) and several short-chain alcohols were characterized from the viewpoint of its physical-chemical and electroanalytical properties.
Carla R. B. Mendonça +4 more
core +1 more source
Estudio comparativo de las propiedades magnéticas de ferritas hexagonales de Bario obtenidas por los métodos de coprecipitación y microemulsión [PDF]
, 1999 Por el m todo de coprecipitaci n qu mica se obtuvo un precursor formado por hidr xidos y carbonatos de hierro y bario que al calcinarlo a temperaturas superiores a 730oC se transforma en ferrita de bario.
García-Casillas, P. E. +1 more
core +3 more sources
Desarrollo y evaluación de un sistema autoemulsionable de Etoricoxib [PDF]
, 2020 La solubilidad acuosa limitada de algunos fármacos ha llevado a buscar alternativas como lo son los Sistemas autoemulsionables de entrega de Fármacos (SEDDS, por sus siglas en inglés), que aumentan la solubilidad y permeabilidad gastrointestinal de los ...
Bernad Bernad, María Josefa +4 more
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Complexos de níquel com ligante β-diimina heterogeneizados em argilas quimicamente modificadas : aplicação em reações de oligomerização de eteno [PDF]
, 2020 A partir de estratégias de modificação química variadas, em que foram avaliados parâmetros de síntese como quantidade de água na síntese e o uso de uma amina neutra como co-surfactante, foram sintetizadas diferentes argilas porosas com propriedades ...
Nicola, Bruna Pes
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Surfactant Enhanced Oil Recovery with Ionic Liquids: Laboratory tests [PDF]
, 2020 El petróleo es la base de nuestra actual comodidad. El objetivo principal de esta tesis es el desarrollo de nuevas formulaciones, basadas en líquidos iónicos, para su uso en la recuperación mejorada del petróleo. A tal fin, se estudió el comportamiento
Corchero Morais, Raquel
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A review of skin microbiome and new challenges to cosmetic microbiome‐friendly formulations
International Journal of Cosmetic Science, EarlyView.Microbiome‐friendly concepts offer new perspectives for a healthy relationship between cosmetic use and the skin microbiome, especially the interaction of non‐biotic cosmetic ingredients with the skin, requiring further studies to clarify the dynamics between the skin microbiome and different classes of cosmetic ingredients.
Yasmin Rosa Santos +3 more
wiley +1 more source
Journal of Sustainable Agriculture and Environment, Volume 4, Issue 2, June 2025.ABSTRACT Plant factory with artificial light (PFAL) technology is a soilless cultivation system designed to optimize plant growth, productivity, and product quality while ensuring the efficient use of water and fertilizers. In contrast, nonchemical farming (N‐CF) focuses on using natural materials and intentionally avoids synthetic fertilizers ...
Wannaporn Hatongkham +2 more
wiley +1 more source
Nanotecnología de aplicación en patología cardiovascular [PDF]
, 2019 Actualmente, las enfermedades cardiovasculares ocupan los puestos más elevados en las principales causas de muerte en países desarrollados , con un gran incremento en los últimos años.
Calzadilla Méndez, Beatriz
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