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Ecuaciones de optimalidad para el criterio del costo promedio sensible al riesgo en procesos de decisión markovianos sobre un espacio finito por Alanís Durán, Alfredo

“…The approach used to obtain the main conclusions relies on the discounted method which, roughly, consists in using a family of contractive operators whose fixed points are used to approximate the optimal average index, to partition the state space in a family of equivalence classes, to determine a class of admissible actions at each state, and to construct a solution of a ‘reduced’ optimality equation on each equivalence class; the presentation of these results is based on the recent paper Alanís Durán and Cavazos-Cadena (2012). …”
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Ecuaciones de optimalidad para el criterio del costo promedio sensible al riesgo en procesos de decisión markovianos sobre un espacio finito por Alanís Durán, Alfredo

“…The approach used to obtain the main conclusions relies on the discounted method which, roughly, consists in using a family of contractive operators whose fixed points are used to approximate the optimal average index, to partition the state space in a family of equivalence classes, to determine a class of admissible actions at each state, and to construct a solution of a ‘reduced’ optimality equation on each equivalence class; the presentation of these results is based on the recent paper Alanís Durán and Cavazos-Cadena (2012). …”
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Retornos externos de la educación superior en México 2000-2010: External returns to higher education in Mexico 2000-2010 por Pereira-López, Mariana, Soloaga, Isidro

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A Case Study on Feed Management to Improving Production and Economic Returns for the Semi-Intensive Pond Production of Litopenaeus vannamei por Allen Davis, D., Amaya, Elkin, Venero, Jesus, Zelaya, Oscar, B. Rouse, David

“…It is also quite interesting to note that almost allmanagement set points (e.g. poor growth, or good growth) result in increases in feed input and that most often oneof the lowest payed employee is responsible for the proper application of the most costly component of shrimpculture, (i.e. the feed). …”
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Prevalence of sensorineural hearing loss in children and adolescents with diabetes mellitus por Treviño González, José Luis, Campuzano Bustamante, D. I., Flores Caloca, O., Santos Lartigue, Ramiro, Villegas González, M. J.

“…Moreover, 65.47% of the patients presented complications due to poor glycemic control at some point in the evolution of their disease. All (100%) diabetic patients with SNHL and 91% of the patients without SNHL had HbA1c values greater than 6%. …”
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The systematics of the Mexican populations of Macrobrachium digueti (Bouvier, 1895) (Decapoda: Caridea: Palaemonidae) por García Velazco, Humberto, Maeda Martínez, Alejandro M., Obregón Barboza, Hortencia, Campos Torres, Oliva, Murugan, Gopal

“…A controversy on the morphological identity of M. digueti started six decades ago. Some authors point out that the redescription given in 1952 by L. …”
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Anxiety, Anhedonia, and related food consumption at the beginning of the COVID-19 quarantine in populations of Spanish-speaking Ibero-American countries: An online cross-sectional... por Landaeta Díaz, Leslie, Agüero, Samuel Durán, Vinueza Veloz, María Fernanda, Arias, Valeria Carpio, Cavagnari, Brian M., Ríos Castillo, Israel, Nava González, Edna Judith, López, Saby Camacho, Ivankovich Guillén, Sonia, Pérez Armijo, Patricio, Bejarano Roncancio, Jhon Jairo, Núñez Martínez, Beatriz, Cordón Arrivillaga, Karla, Meza Miranda, Eliana Romina, Ortíz, Alfonsina, Mauricio Alza, Saby, González Medina, Gabriel

“…Another study on Turkish population showed similar results, nearly 45% of participants scored above the cut-off point for anxiety during the pandemic (Ozdin ¨ & Bayrak Ozdin, ¨ 2020).…”
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The validity of incremental exercise testing in discriminating of physiological profiles in elite runners por Legaz Arrese, Alejandro, Munguía Izquierdo, Diego, Carranza García, Luis Enrique, Reverter Masía, Joaquín, Torres Dávila, Celeste Guadalupe, Medina Rodríguez, Rosa Elena

“…The goal of this study was to determine whether traditional ergoespirometric incremental exercise testing carried out to the point of exhaustion could be useful in distinguishing the physiological profiles of elite runners that compete in races that lasted about 8 minutes versus those that lasted about 2 hours. …”
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Multiplex PCR for simultaneous genotyping of kdr mutations V410L, V1016I and F1534C in Aedes aegypti (L.) por Villanueva Segura, Karina, Ponce García, Gustavo, López Monroy, Beatriz, Mora Jasso, Esteban de Jesús, Perales, Lucia, González Santillán, Francisco Javier, Ontiveros Zapata, Kevin Aarón, Dávila Barboza, Jesús Antonio, Flores, Adriana E.

“…The validation of the technique was carried out by DNA sequencing using field populations previously characterized for the three mutations through allele-specific PCR (AS-PCR) and with different levels of genotypic frequencies. Results The standardized protocol for multiplex end-point PCR was highly effective in detecting 15 genotypes considering the three mutations V410L, V1106I and F1534C, in 12 field populations of Ae. aegypti from Mexico. …”
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Empowering and Disempowering Motivational Climates, Mediating Psychological Processes, and Future Intentions of Sport Participation por Castillo Jiménez, Nallely, López Walle, Jeanette M., Tomás Marco, Inés, Tristán Rodríguez, José Leandro, Duda, Joan L., Balaguer Solá, Isabel

“…Furthermore, needs thwarting was positively and significantly related to the intention to dropout of sports participation. Findings point to the importance of fostering empowering climates and preventing the creation of disempowering climates in the grassroots football.…”
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Poliarquía y ciudadanía en el estado de México por Escutia-Miranda, Ricardo, Torres-Ruiz, René

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Análisis de factores psicosociales que influyen en el desempeño laboral de operadores en una planta manufacturera por Acosta Solano, Perla Angélica

“…The main objective moved to know and assess the workers’ perspectives regarding to factors influencing their performance, it is noteworthy that the results helped identify opportunity areas in the plant such as working conditions, labor resources and relationships, among others. …”
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Análisis de factores psicosociales que influyen en el desempeño laboral de operadores en una planta manufacturera por Acosta Solano, Perla Angélica

“…The main objective moved to know and assess the workers’ perspectives regarding to factors influencing their performance, it is noteworthy that the results helped identify opportunity areas in the plant such as working conditions, labor resources and relationships, among others. …”
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La Evaluación en educación preescolar: El dilema docente por Zamora, Víctor Manuel

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Efecto de hidrolato de Cosmos bipinnatus sobre características de textura, color y actividad de agua de chorizo de conejo por García Gutiérrez, F.S., Soto Simental, S., González Tenorio, R., Ayala Martínez, M.

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Aplicaciones didácticas interactivas: Su conocimiento y su uso en estudiantes del 2º semestre de FACPYA por Pérez-Martínez, Katia Site, Mendoza-Vargas, Martha Magdalena, Patiño-Rodríguez, Irasema

“…En este estudio se pretende Analizar el grado de conocimiento, así como la frecuencia de uso y la percepción de las aplicaciones didácticas interactivas. …”
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Contexto social y personalidad resistente en el deportista de Centroamérica por Ponce Carbajal, Nancy, Tristán Rodríguez, José Leandro, Jaenes Sánchez, José Carlos, Castillo Jiménez, Nallely

“…Athletes answered two questionnaires assessing their perception of social context factors that influence athletic performance and traits of hardiness. The results showed that, from athletes’ point of view, themselves and their skills, as well as coaches, are the factors of social context that mostly influence hardiness. …”
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La preparación del docente de física: perspectiva de los estudiantes universitarios en ingeniería. por Quiroz Aguilar, Jesús Alejandro, González Ibarra, Ana María, Álvarez Aguilar, Nivia T., Castillo Elizondo, Jaime Arturo

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Crise política, pandêmica e social: estudo do Governo Bolsonaro no contexto da COVID19 no Brasil por Macedo Gondo, Roberto, De Morais Oliveira, Lígia

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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

“…One way of obtaining the thickness of the passive layer obtained was carried out by means of the photoelectron spectroscopy technique emitted by X-rays. The results indicate that the 15-5PH stainless steel passivated in citric acid in the presence of NaCl at a temperature of 25 ° C with an immersion time of 30 minutes in the passivating medium present the best corrosion rate. …”
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