Resultados de búsqueda - "The Times"

Tecnologías para la trazabilidad productiva en el sureste mexicano: caso de prueba de bitácora digital sobre lactuca sattiva por Quetz Aguirre, Gonzalo Miguel, Méndez Moreno, Marlene, Can Cabrera, Ángel Francisco, Chuc Armendáriz, Mario Ben-Hur, González Rodríguez, Felipe de Jesús

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Advances in the Nutrition and Feeding of the Bullseye Puffer Sphoeroides annulatus por García-Ortega, Armando, Hernández, Crisantema, Abdo de la Parra, Isabel, González-Rodríguez, Blanca

“…The live food feeding schedule starts at day 1 post-hatchand last until day 29 posthatch,time when the larvae are weaned onto artificial microdiets prepared with proteinsources adequated to the capacities for digestion of marine fish larvae. …”
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New Technologies in Extrusion Process for Shrimp Feed por Muñoz, Osvaldo

“…The permanent increase in the costs of raw materials and the difficult secure supply, such as fish meal, has led to the industry to seek more flexible and low-cost processes that will allow a sustainable business in time. In addition a limited availability of water for the sustainable farming of shrimp, has routed this business to intensive raise where the levels of pollution play a very important role. …”
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La influencia de los medios de comunicación sobre las decisiones de inversión. El caso de las burbujas por Perramon Ayza, Joaquim

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Avances retos y desafíos de la conciliación en el Perú por Canales Gonzales, Oscar

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Pycnogonids associated with the giant lion´s-paw scallop Nodipecten subnodosus (Sowerby) in Ojo de Liebre Bay, Guerrero Negro, Baja California Sur, Mexico por De León González, Jesús Ángel, De León Espinosa, Angel

“…Pycnogonum rickettsi is recorded for first time from Mexican waters, as is Nymphon lituus from the western coast of Baja California Peninsula. …”
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Recrystallization of a Ti-45Ni-5Cu cold-worked shape memory alloy characterized by thermoelectric power and electrical properties por Soto Parra, Daniel Enrique, Flores Zúñiga, Horacio, Cuéllar, Enrique López, Ochoa Gamboa, Raul Armando, Ríos Jara, David

“…Hardness values decrease with aging temperature for the same heat treatment time. No important changes were observed in electrical resistivity with heat treatment temperature, except at 300°C. …”
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US Natural Gas Market Classification Using Pooled Regression por Kalashnikov, Vyacheslav V., Pérez Valdés, Gerardo A., Matis, Timothy I., Kalashnykova, Nataliya I.

“…In this work, we present a method to differentiate sets of time series based on a regression model relating price, consumption, supply, and other factors. …”
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Polyphenolic Profile and Antioxidant Activity of Leaf Purified Hydroalcoholic Extracts from Seven Mexican Persea americana Cultivars por Castro López, Cecilia, Bautista Hernández, Israel, González Hernández, María D., Martínez Ávila, Guillermo Cristian Guadalupe, Rojas, Romeo, Gutiérrez Díez, Adriana, Medina Herrera, Nancy, Aguirre Arzola, Víctor Eustorgio

“…Inthisstudyfortyonecompoundsweredetectedinavocadoleavesofthethesevencultivars analyzed, and of these compounds, eighteen phenolics were identified for first time in such plant material. The present study demonstrated that Mexican cultivars of Persea americana possess diverse polyphenolic compounds with strong antioxidant activity, which might be useful in the food and pharmaceutical industries.…”
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West nile virus isolation in human and mosquitoes, Mexico por Elizondo Quiroga, Darwin, Davis, Todd C., Fernández Salas, Ildefonso, Escobar López, Román, Velasco, Dolores, Soto, Lourdes Cecilia, Aviles, Magaly, Elizondo Quiroga, Armando Erick, González Rojas, José Ignacio, Contreras Cordero, Juan Francisco, Guzman, Hilda, Travassos Da Rosa, Amelia, Blitvich, Bradley J., Beaty, Barry J., Barret, Alan, Tes, Robert B.

“…West Nile virus has been isolated for the first time in Mexico, from a sick person and from mosquitoes (Culex quinquefasciatus). …”
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Sequential Nucleation Growth of ZnO Nanoflowers por Elizondo V., Nora, Martínez Delgado, Dora Irma, Arato Tovar, Ana María, González López, Rodrigo, Vázquez Rodríguez, Francisco Javier, Rodríguez, Gustavo, Torres López, Ernesto, Castaño Meneses, Víctor Manuel

“…X-ray diffraction, transmission and scanning electron microscopy indicated that the precursor, solution basicity, reaction temperature and pressure as well as reaction time, were responsible for the variations of the morphologies. …”
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Conceptual Design of an Unmanned Fixed-Wing Aerial Vehicle Based on Alternative Energy por Escobar Ruiz, Alan Gerardo, López Botello, Omar Eduardo, Reyes Osorio, Luis Arturo, Zambrano Robledo, Patricia del Carmen, Amézquita Brooks, Luis Antonio, García Salazar, Octavio

“…One of the main disadvantages of an electric UAV is the flight time; in this sense, the challenge is to create an aerodynamic design that can increase the endurance of the UAV. …”
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Corrosion behavior of aluminum-carbon fiber/epoxy sandwich composite exposed on NaCl solution por Jáquez Muñoz, Jesús Manuel, Castrejón, A, N., Lira Martínez, Manuel Alejandro, Maldonado Bandala, Erick, Cabral Miramontes, José Ángel, Lara Banda, María del Refugio, Estupiñan López, Francisco Humberto, Nieves Mendoza, Demetrio, Gaona Tiburcio, Citlalli, Almeraya Calderón, Facundo

“…The results demonstrated that the samples of laminate-metal-laminate presented an adsorption process after 0 and 48 h of salt fog exposition; meanwhile, the samples of laminate-metal showed a capacitive behavior for all the samples; however, corrosion resistance decreased when the salt fog exposition time increased.…”
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First record of glycera guatemalensis and G. sphyrabrancha (Annelida: Glyceridae) from Western México por De León González, Jesús Ángel, Tovar Hernández, María Ana, Torres Manríquez, Iliana, García Garza, María Elena

“…Conclusions: Glycera guatemalensis described for Guatemala and Glycera sphyrabrancha described for Jamaica, are recorded for the first time for the Gulf of California.…”
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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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"SOME CONSTRAINTS ON ENGLISH-SPANISH CODE-SWITCHING" por Henderson, Doris

“…However, a detailed study would require much more time and, perhaps, a team effort of several investigators doing the field work. …”
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Diseño y construcción de un reactor hibrido tipo batch para la producción de biocombustibles: biodiésel y bioetanol como caso de estudio. por Solís Ulloa, Juan Carlos

“…In order to scale this parameter to reactor level, the RMA varied from 3: 1 and 6: 1 (6 molecules of methanol per 1 of oil used) and the time of 15, 30, 45 and 60 minutes of process obtaining as a result that with a RMA of 6: 1 with a time of 60 minutes a conversion of 100 % was obtained, all these experiments were carried out at a temperature of 60 ◦ C and 400 rpm. …”
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Diseño y construcción de un reactor hibrido tipo batch para la producción de biocombustibles: biodiésel y bioetanol como caso de estudio. por Solís Ulloa, Juan Carlos

“…In order to scale this parameter to reactor level, the RMA varied from 3: 1 and 6: 1 (6 molecules of methanol per 1 of oil used) and the time of 15, 30, 45 and 60 minutes of process obtaining as a result that with a RMA of 6: 1 with a time of 60 minutes a conversion of 100 % was obtained, all these experiments were carried out at a temperature of 60 ◦ C and 400 rpm. …”
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Extracción y caracterización funcional de la fibra de hojas del Agave tequilana weber destinados para la inclusión en alimentos por Vilcanqui Pérez, Fulgencio

“…Abstract In this investigation paper, in a first stage were studied different methods of fiber extraction from Agave tequilana Weber leafs, whit the follow conditions for MI (reference), 15 min., 90°C y 1:2 w/v of relation M:H2O; for MII, whit steam pressure variables (kgf/cm2 ) whit three levels (0.5, 0.75 y 1.0), the time (min.) whit three levels (5, 10 y 15), and the relation M:H2O (w/v) whit two levels (1:2 y 1:3); and for the MIII, whit the variables in time (min.) whit three levels (5, 10 y 15), temperature (°C) three levels (70, 80 y 90) and the acid concentration (N de HCl) whit two levels (0.1 y 0.4). …”
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Extracción y caracterización funcional de la fibra de hojas del Agave tequilana weber destinados para la inclusión en alimentos por Vilcanqui Pérez, Fulgencio

“…Abstract In this investigation paper, in a first stage were studied different methods of fiber extraction from Agave tequilana Weber leafs, whit the follow conditions for MI (reference), 15 min., 90°C y 1:2 w/v of relation M:H2O; for MII, whit steam pressure variables (kgf/cm2 ) whit three levels (0.5, 0.75 y 1.0), the time (min.) whit three levels (5, 10 y 15), and the relation M:H2O (w/v) whit two levels (1:2 y 1:3); and for the MIII, whit the variables in time (min.) whit three levels (5, 10 y 15), temperature (°C) three levels (70, 80 y 90) and the acid concentration (N de HCl) whit two levels (0.1 y 0.4). …”
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