Resultados de búsqueda - (((((itza OR (nita OR (anita OR (acida OR acid)))) OR poiza) OR (aiza OR aita)) OR nica) OR eliza)*

Determinación del Contenido Total y Lixiviable de Antimonio en Contenedores Plásticos PET por Espectroscopia de Fluorescencia Atómica por Chapa Martínez, C. A., Hinojosa Reyes, L., Ruíz Ruíz , E., Hernández Ramírez , A., Guzmán Mar, J. L.

“…Además se determinó el contenido total de Sb presente en los plásticos después de una digestión ácida asistida por microondas. El análisis del contenido total de Sb en las muestras de digestión ácida y de lixiviados se llevó a cabo por Espectroscopia de Fluorescencia Atómica con sistema de Generación de Hidruros (HG/AFS). …”
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Phenolic Compounds in Organic and Aqueous Extracts from Acacia farnesiana Pods Analyzed by ULPS-ESI-Q-oa/TOF-MS. In Vitro Antioxidant Activity and Anti-Inflammatory Response in CD-... por Delgadillo Puga, Claudia, Cuchillo Hilario, Mario, Navarro Ocaña, Arturo, Medina Campos, Omar Noel, Nieto Camacho, Antonio, Ramírez Apan, Teresa, López Tecpoyotl, Zenón Gerardo, Díaz Martínez, Margarita, Alvarez Izazaga, Marsela Alejandra, Cruz Martínez, Yessica Rosalina, Sánchez Quezada, Vanessa, Gómez, Francisco Enrique, Torre Villalvazo, Iván, Furuzawa Carballeda, Janette, Camacho Corona, María del Rayo, Pedraza Chaverri, José

“…Results: Methyl gallate, gallic acid,galloyl glucose isomer 1, galloyl glucose isomer 2, galloyl glucose isomer 3, digalloyl glucose isomer 1, digalloyl glucose isomer 2, digalloyl glucose isomer 3, digalloyl glucose isomer 4, hydroxytyrosol acetate, quinic acid, and caffeoylmalic acid were identified. …”
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Geochemistry and petrogenesis of extension-related magmas close to the volcanic front of the Central part of the trans-mexican volcanic belt por Verma, Surendra P., Torres Sánchez, Darío, Velasco Tapia, Fernando, Subramanyam, K.S.V., Manikyamba, Chakravadhanula, Bhutani, R.

“…The size of the Nb and Ta negative anomalies increases from basic to acid, which is similar to the behaviour of most continental rifts and extension-related areas, but contrasts from all island and continental arcs. …”

Evaluation of Passive Films on 17-7PH and 410 Stainless Steel Exposed to NaCl Solution por Martínez Aparicio, Brisa Selene, Gaona Tiburcio, Citlalli, Almeraya Calderón, Facundo, Goldsberry, Reece, Castaneda, Homero

“…The aim of this study is to investigate the effectiveness of passivation treatments on 17-7PH and 410 SS (stainless steel) samples, specifically when performed with citric and nitric acid solutions at 49 °C using an immersion time of 90 min and subsequent exposure in 3.5 wt.% NaCl solution. …”
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Lípidos Alternativos en la Nutrición de Peces Marinos | Alternative Lipids in Nutrition of Marine Finfish por Nishioka Rombenso, Artur

“…Finally, these findings suggest that although marine fish accept a variety of alternativelipids, those rich in SFAs and/or MUFAs seem advantageous in terms of limiting the effects of fish oil sparingon tissue fatty acid profiles.…”
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VALIDACIÓN DE UN MÉTODO PARA LA DETERMINACIÓN DE ÁCIDO BENZÓICO EN PRODUCTOS LÁCTEOS por Garza, Aurora de J., R. Naccha, Lidia, Heyer, Lorenzo, Waksman, Noemí, C. Cavazos, Norma

“…A pesar de que el AB es considerado como una sustancia segura, es importante tomar en cuenta este resultado, ya que su consumo en exceso puede causar irritación en tracto digestivo, así como una sensibilización química.Palabras clave: ácido benzoico, productos lácteos, conservadores, ácido benzoico por HPLC, validación.Benzoic acid, dairy products, conservatives, benzoic acid by HPLC, validation …”
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Evaluación funcional y antioxidante de arabinoxilanos ferulados extraídos de pericarpio de maíz (zea mays L.) obtenidos bajo diferentes condiciones de extracción alcalina. por Herrera Balandrano, Daniela Denise

“…By last, the bioaccessibility of ferulic acid was determined by in vitro digestion, finding high levels of bioaccessibility of this compound during the digestion process. …”
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Evaluación funcional y antioxidante de arabinoxilanos ferulados extraídos de pericarpio de maíz (zea mays L.) obtenidos bajo diferentes condiciones de extracción alcalina. por Herrera Balandrano, Daniela Denise

“…By last, the bioaccessibility of ferulic acid was determined by in vitro digestion, finding high levels of bioaccessibility of this compound during the digestion process. …”
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Mutation Distribution in the NSP4 Protein in Rotaviruses Isolated from Mexican Children with Moderate to Severe Gastroenteritis por González Ochoa, Guadalupe, Menchaca, Griselda, Hernández, Carlos, Rodríguez, Cristina, Tamez, Reyes, Contreras, Juan

“…Although NSP4 is considered an enterotoxin, the relationship between gastroenteritis severity and amino acid variations in NSP4 of the human rotavirus remains unclear. …”
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Remoción del colorante AV7 presente en solución acuosa mediante carbón activado por Bretón Jiménez, Emmanuel, Melgar Urbina, Edwin Javier, Hernández Rivera, Miguel Ángel, Loredo Cancino, Margarita, Dávila Guzmán, Nancy Elizabeth

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Insights into the Potential of Pre-Processing of Ingredients to Improve their Economical Value to Aquaculture Species por P Bureau, Dominique, Yang, Yuhong, Cai, Chunfang, Pfeuti, Guillaume

“…However, this processing offered no advantage in terms of in vivo digestibility of phosphorus to rainbow trout, a species with an acid stomach. The technique may be useful for species lacking an acid stomach (e.g. carps, shrimp) but this hypothesis has not been verified. …”
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Caracterización electroquímica de la pasivación de acero inoxidable empleado en la fabricación de fuselajes de helicópteros. por Lara Banda, María del Refugio

“…This research work consisted in the characterization of stainless steels 15-5PH and 17-4PH, submitted to a passivation process in: citric acid, nitric acid and sodium dichromate with passivation temperatures of 25 and 49 ° C, with immersion times in the passivating agent of 30 and 90 minutes. …”
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Caracterización electroquímica de la pasivación de acero inoxidable empleado en la fabricación de fuselajes de helicópteros. por Lara Banda, María del Refugio

“…This research work consisted in the characterization of stainless steels 15-5PH and 17-4PH, submitted to a passivation process in: citric acid, nitric acid and sodium dichromate with passivation temperatures of 25 and 49 ° C, with immersion times in the passivating agent of 30 and 90 minutes. …”
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Studies of Adsorption of Heavy Metals onto Spent Coffee Ground: Equilibrium, Regeneration, and Dynamic Performance in a Fixed-Bed Column por Dávila Guzmán, Nancy Elizabeth, Cerino Córdova, Felipe de Jesús, Loredo Cancino, Margarita, Rangel Mendez, J. R., Gómez González, René, Soto Regalado, Eduardo

“…Regeneration of SCG was evaluated using citric acid, calcium chloride, and nitric acid. The observed trend of desorption efficiency through four adsorption-desorption cycles was HNO3 > CaCl2 > C6H8O7. …”
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Conversion of banana peel into diverse valuable metabolites using an autochthonous Rhodotorula mucilaginosa strain por Torres Álvarez, Dagoberto, León Buitimea, Angel, Albalate Ramírez, Alonso, Rivas García, Pasiano, Hernández Núñez, Emanuel, Morones Ramírez, José Rubén

“…The production of carotenoids, fatty acids, and exopolysaccharides (EPS) was also analyzed. …”
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Corrosion Behavior of Passivated Martensitic and Semi-Austenitic Precipitation Hardening Stainless Steel por Almeraya Calderón, Facundo, Samaniego Gámez, Pedro Oliver, Maldonado Bandala, Erick, Nieves Mendoza, Demetrio, Olguín Coca, Javier, Jáquez Muñoz, Jesús Manuel, Cabral Miramontes, José Ángel, Flores de los Ríos, Juan Pablo, Bautista Margulis, Raúl German, Gaona Tiburcio, Citlalli

“…This research aimed to conduct a passive layer state study on martensitic and semi-austenitic precipitation hardening stainless steels (PHSS) passivated in citric acid and nitric acid baths at 49 and 70 °C for 50 and 75 min and subsequently exposed in 5 wt.% NaCl and 1 wt.% H2SO4 solutions. …”
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Efecto de la microestructura y la concentración del ácido en la corrosión de aleaciones binarias Pb-Sn por Borrego Navejas, Rocío

“…Samples of the thermal treatments were tested by electrochemical attack at two different sulphuric acid concentrations to evaluate their corrosion rate.…”
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Efecto de la microestructura y la concentración del ácido en la corrosión de aleaciones binarias Pb-Sn por Borrego Navejas, Rocío

“…Samples of the thermal treatments were tested by electrochemical attack at two different sulphuric acid concentrations to evaluate their corrosion rate.…”
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Advances in Marine Fish Larvae Diets por Kolkovski, Sagiv

“…Although lipids and fatty acid requirements are known (to a degree), verylittle work was carried out to define the protein / amino acids, mineral and vitamins.Chemical and physical properties are playing a crucial role with the behaviour of MD particle in the water,attractability, leaching, ingestion and ingestion in the larvae gut. …”
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Advances in Marine Fish Larvae Diets por Kolkovski, Sagiv

“…Although lipids and fatty acid requirements are known (to a degree), verylittle work was carried out to define the protein / amino acids, mineral and vitamins.Chemical and physical properties are playing a crucial role with the behaviour of MD particle in the water,attractability, leaching, ingestion and ingestion in the larvae gut. …”
Enlace del recurso