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La confiabilidad de las evaluaciones del aprendizaje conceptual: Índice Spearman-Brown del método split-halves = Reliability of the evaluation of conceptual learning: index of Spea... by Rositas, J., Badii Zabeh, Mohammad Hosein, Castillo, J.

“…The related problems in this respect are laid out, taking into account the ease of determination of this index in a practical manner with the aid of the concrete applied cases. Final considerations are raised with regards to application of this methodology in the USA and the New Zealand. …”
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Violencia, género y sexismo: un estudio en el discurso de medios mexicanos = Violence, gender and sexism: a study in Mexican media speech Violence, gender and sexism: A study in... by Flores Treviño, María Eugenia, Estrada Esparza, Olga Nelly

“…ABSTRACT We analyze some cases of aggression addressed against the female reported in the Mexican media from speech and gender studies. …”
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Morphological and Genetic Variation in Mexican Wild Populations ofTamarixia radiata(Hymenoptera: Eulophidae) by Peña Carrillo, Kenzy Ivveth, González Hernández, Alejandro, López Arroyo, J. Isabel, Mercado Hernández, Roberto, Favela Lara, Susana

“…In general, Ti-Ni SMAs undergo one-step (austenite  martensite) transformation, but in some cases, there exists intermediate R-phase giving rise two-step (austenite  R-phase  martensite) transformation. …”
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Thermomechanical Analysis on Ti-Ni Shape Memory Helical Springs Under Cyclic Tensile Loads by Oliveira, Carlos Augusto do Nascimento, González, Cezar Henrique, Olimpio Filho, Oscar, Silva, Niédson José da, Guimarães, Pablo Batista, Nuñez Mendoza, Esaú, López Cuéllar, Enrique Manuel

“…In general, Ti-Ni SMAs undergo one-step (austenite  martensite) transformation, but in some cases, there exists intermediate R-phase giving rise two-step (austenite  R-phase  martensite) transformation. …”
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Description of Genetic Variants in BRCA Genes in Mexican Patients with Ovarian Cancer: A First Step towards Implementing Personalized Medicine by Delgado Balderas, Jesús Rolando, Garza Rodríguez, María de Lourdes, Gómez Macías, Gabriela Sofía, Barboza Quintana, Álvaro, Barboza Quintana, Oralia, Cerda Flores, Ricardo Martín, Miranda Maldonado, Ivett C., Vazquez Garcia, Hugo Mauricio, Valdez Chapa, Lezmes Dionicio, Antonio Macedo, Mauro, Dean, Michael, Barrera Saldaña, Hugo Alberto

“…We found genetic variants in 48 of 50 cases. A total of 76 polymorphic variants were found in BRCA1, of which 50 (66%) had not been previously reported. …”
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Liderazgo y desarrollo humano sostenible by Lechuga Cardozo, Jorge Isaac, Leyva Cordero, Oswaldo, Callazo Antúnez, Ana María

“…After a multiple analysis has been found in the cases has been studied and has been adapted to companies. …”
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Baricitinib plus dexamethasone compared to dexamethasone for the treatment of severe COVID-19 pneumonia: A retrospective analysis by Pérez Alba, Eduardo, Nuzzolo Shihadeh, Laura Marina, Aguirre García, Gloria Mayela, Espinosa Mora, Jaime Eugenio, Lecona García, Juan Diego, Flores Pérez, Rómulo Omar, Mendoza Garza, Marisela, Camacho Ortiz, Adrián

“…The mean age was 59.9 years (SD � 14.5) and 62.1% (123/197) were male. 42.9% (85/197) of the cases required ICU admission and 25.8% (51/197) underwent invasive mechanical ventilation (IMV). …”
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Chemical Composition and Biological Activities of Oregano Essential Oil and Its Fractions Obtained by Vacuum Distillation by Rostro Alanís, Magdalena de Jesús, Báez González, Juan Gabriel, Torres Álvarez, Cynthia, Parra Saldívar, Roberto, Rodríguez Rodríguez, José, Castillo, Sandra

“…The antimicrobial test showed that F4 and Unoil had the highest activity in almost all cases. The correlation between the variables studied in the different fractions allows the definition of the particular properties for each one of them.…”
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Factores que tienen impacto en la generación de valor de una oficina de gestión de proyectos de TIC, en organizaciones grandes del Estado de Nuevo León by Garza Sánchez, Jesús, Palomo González, Miguel Ángel

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Continuidad de atención a pacientes pediátricos con leucemia linfoblástica aguda durante la pandemia COVID-19 en México by Pérez Villar, Alejandra

“…América Latina (AL) ha registrado una de las tasas de mortalidad por COVID-19 más altas del mundo [2], la pandemia ha afectado negativamente el acceso a los servicios de salud y la continuidad en la atención de muchas enfermedades, incluida la leucemia linfoblástica aguda (LLA) [3].…”
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Continuidad de atención a pacientes pediátricos con leucemia linfoblástica aguda durante la pandemia COVID-19 en México by Pérez Villar, Alejandra

“…América Latina (AL) ha registrado una de las tasas de mortalidad por COVID-19 más altas del mundo [2], la pandemia ha afectado negativamente el acceso a los servicios de salud y la continuidad en la atención de muchas enfermedades, incluida la leucemia linfoblástica aguda (LLA) [3].…”
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Actitud ante el consumo y no consumo de alcohol en estudiantes de preparatoria – México by López Cisneros, Manuel Antonio, Luis, Margarita Antonia Villar, Castillo, María Magdalena Alonso, Castillo, María Teresa de Jesús Alonso, Aguilar, Lucio Rodríguez

“…Se constató que las creencias conductuales hacia el consumo eran más altas en los consumidores de alcohol (X=29.32, Mdn=27.50) que en los no consumidores, así con la evaluación de las creencias en sentido positivo son más altas en los consumidores de alcohol (X=17.72, Mdn=9.52) que en los no consumidores, haciéndose necesaria la implementación de programas preventivos que fortalezcan las creencias de los adolescentes, así como estimular las estrategias vinculadas con el fortalecimiento de factores protectores y estilos de vida saludables. …”
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Terminal interruption of relux source technique in the treatment of active venous ulcers by López Lugo, Omar Federico, Salinas Domínguez, Rogelio, Tamez del Bosque, Juan Antonio, Muñoz Maldonado, Gerardo Enrique

“…Introduction: The treatment for venous ulcers in most cases is unsatisfactory, with recurrences and poor healing. …”
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Subclinical abnormal glucose tolerance is a predictor of death in liver cirrhosis by García Compeán, Diego, Jáquez Quintana, Joel Omar, Lavalle González, Fernando Javier, González González, José Alberto, Muñoz Espinosa, Linda Elsa, Villarreal Pérez, Jesús Zacarías, Maldonado Garza, Héctor Jesús

“…The causes of death in 90.3% of cases were due to complications related to liver disease. …”
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Ley sobre accidentes en el trabajo de 1906: una legislación moderna para un sistema de justicia anquilosado = The Labor Accident Law of 1906: Modern Legislation for a Stagnant Just... by Rodríguez Castillo, Óscar Abraham

“…In that sense, we used three cases of occupational accidents to show the following: the procedure followed by the injured worker, the parsimony of the civil courts to resolve these lawsuits, and finally, the resources used by the defense to not pay compensation. …”
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Effect of minerals admixtures on high-performance concrete: C-S-H formation and physical-mechanical properties. by Rivera Torres, Jorge Maurilio

“…In addition to the reduction in the environmental impact of the material, the incorporation of supplementary cementitious materials in concrete will densify the cementitious matrix and consequently improve its impermeability, a property associated with the durability and the service life of concrete. However, in most cases, the performance of a cementitious material is typically evaluated through the impact on the mechanical properties and the cost, leaving aside the durability and the effects at the microstructural level. …”
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Adaptación y análisis factorial exploratorio del cuestionario errores/problemas en el uso del condón masculino (cues) by Hernández Torres, José Luis, Benavides Torres, Raquel Alicia, Quiroz Guerra, Alma Rosa, Martínez Cervantes, Roxana, Cárdenas Cortés, Adriana Mayela, Rodríguez Vázquez, Nancy

“…In México, the Human Immunodeficiency Virus (HIV) is contracted mainly in youth since it presents a rate of 3.3 cases per 100.000 young people between 15 and 29 years of age, in this sense the development of new prevention technologies such as HIV vaccines and microbicides continue to advance, but condoms continue to be the main means of prevention, currently there are few instruments that help measure errors and problems in the use of the male condom. …”
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Effect of minerals admixtures on high-performance concrete: C-S-H formation and physical-mechanical properties. by Rivera Torres, Jorge Maurilio

“…In addition to the reduction in the environmental impact of the material, the incorporation of supplementary cementitious materials in concrete will densify the cementitious matrix and consequently improve its impermeability, a property associated with the durability and the service life of concrete. However, in most cases, the performance of a cementitious material is typically evaluated through the impact on the mechanical properties and the cost, leaving aside the durability and the effects at the microstructural level. …”
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Picosatélites cansat: una herramienta para la educación en ciencias del espacio. by Colín, Ángel

“…Lo más destacado en su misión fue la caracterización física de las capas altas de la atmósfera, así como la propagación de ondas de radio en la ionósfera. …”
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Vía para la resolución de la paradoja del metano oceánico: producción aeróbica constitutiva de metano por la actividad de la enzima C-P liasa desregulada de la bacteria marina Rose... by Lee Bazaldúa, Elida Estefanía

“…"La paradoja del metano oceánico" describe el hecho de que a lo largo de la superficie del océano existen altas concentraciones de metano con respecto a la atmósfera, sin embargo, las condiciones ambientales que existen en ese ecosistema inhiben la metanogénesis tradicional, por lo que el origen de dicho metano permanece como un misterio hasta nuestros días. …”
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