Resultados de búsqueda - "performance"

Predictors of in-hospital mortality in patients with non-variceal upper gastrointestinal bleeding por González González, José Alberto, Vázquez Elizondo, Genaro, García Compeán, Diego, Obed Gaytán Torres, Juan, Flores Rendón, Ángel Ricardo, Jáquez Quintana, Joel Omar, Garza Galindo, Aldo Azael, Cárdenas Sandoval, Martha Graciela, Maldonado Garza, Héctor Jesús

“…Demographical and clinical characteristics, endoscopic findings and laboratory tests were evaluated. χ² and Mann-Whitney U analyses were performed for comparisons, and binary logistic regression was employed to identify independent predictors of in-hospital mortality. …”
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Los empresarios frente al narcotráfico en México: tratamiento informativo de las reacciones empresariales ante situaciones de violencia e inseguridad Entrepreneurs against Drug T... por Muñiz, Carlos, Ramírez, Jacobo

“…A content analysis was performed on press news from United States (U.S.), Mexico and the European Union (EU). …”
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¿Existe memoria larga en mercados bursátiles, o depende del modelo, periodo o frecuencia? (Is there Long Memory in Stock Markets, or Does it Depend on the Model, Period or Frequenc... por Salazar-Núñez, Héctor F., Venegas-Martínez, Francisco, Calderón-Villareal, Cuahutémoc

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Solving a green logistics bi-level bi-objective problem. por Maldonado Pinto, Carmen Sayuri

“…By doing this, the algorithm intends to find efficient solutions. The evolution performed in each population is done through a Biased Random Keys Genetic Algorithm( BRKGA). …”
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Seroepidemiología y factores de riesgo de Leptospira spp y lentivirus en hatos ovinos y caprinos del noreste de México. por Chávez Sánchez, Jesús Francisco

“…The samples were considered positive when they demonstrated 50% of agglutination at a 1:100 dilution and on to one or more serovars. 25 urine samples obtained from a high leptospiral seroprevalence herd were cultured and analyzed by PCR (Lip L32 gene). MAT test was performed for detection of antileptospiral antibodies. …”
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A Real-Time SOSM Super-Twisting Technique for a Compound DC Motor Velocity Controller por Morfin, Onofre A., Castañeda, Carlos E., Valderrabano González, Antonio, Hernandez González, Miguel, Valenzuela, Fredy A.

“…The validation and robustness test of the proposed controller is carried out experimentally in a laboratory, where the closed-loop system is subject to an external disturbance and a time-varying tracking signal. This test is performed in real time using a workbench consisting of a DC motor—Alternating Current (AC) generator group, a DC/AC electronic drive, and a dSPACE 1103 controller board. …”
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Assessing vertical structure of an endemic forest in succession using terrestrial laser scanning (TLS). Case study: Guadalupe Island por Yépez Rincón, Fabiola Doracely, Luna Mendoza, Luciana, Ramírez Serrato, Nelly Lucero, Hinojosa Corona, Alejandro, Ferriño Fierro, Adrián Leonardo

“…Several TLS scans were performed in July 2016 to assess this recovery, particularly the succession progression. …”
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Situación de la separación de residuos sólidos urbanos en Santiago, Nuevo León, México por Villalón Mendoza, Horacio, Alanís Rodríguez, Eduardo, Méndez Vasconcelos, María Esmeralda, Cantú Moya, Adriana Fabiola

“…The results showed that 50% of Santiago, N. L. citizens already perform the classification and separation of their solid wastes. …”
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Acute negative effect of the surgical type facemask in the maximal oxygen consumption in healthy subjects por Garza Saucedo, David, Morales Elizondo, Dulce Edith, Morales Corral, Pedro Gualberto, Salinas Torres, Víctor Michael

“…Descriptive statistical analysis and a contingency table (chi square, Fisher exact test) were performed with SPSS version 22 (IBM, Armonk, NY, USA). …”
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Detection of left ventricular hypertrophy by Tc-99 tetrofosmin gated-SPECT. por Peña Almaguer, Erasmo de la, Desai, Milind Y., Mannting, Finn

“…Methods: Patients referred for evaluation of known or suspected CAD, who underwent myocardial perfusion SPECT imaging with Tc-99 Tetrofosmin and who had also an echocardiogram performed within the previous 2 months were prospectively enrolled in the study. …”
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Solving a green logistics bi-level bi-objective problem. por Maldonado Pinto, Carmen Sayuri

“…By doing this, the algorithm intends to find efficient solutions. The evolution performed in each population is done through a Biased Random Keys Genetic Algorithm( BRKGA). …”
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Seroepidemiología y factores de riesgo de Leptospira spp y lentivirus en hatos ovinos y caprinos del noreste de México. por Chávez Sánchez, Jesús Francisco

“…The samples were considered positive when they demonstrated 50% of agglutination at a 1:100 dilution and on to one or more serovars. 25 urine samples obtained from a high leptospiral seroprevalence herd were cultured and analyzed by PCR (Lip L32 gene). MAT test was performed for detection of antileptospiral antibodies. …”
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Etiquetado digital social como activismo en redes sociales: #ladies y #lords en México por Sandoval-Almazan, Rodrigo, Montes de Oca López, Juan Carlos, Ortega Ponce, Claudia

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Evaluación Ergonómica con Quick Exposure Check (QEC) para la detección de Trastornos Musculoesqueléticos por Cuellar Celestino, Jhonathan, Solís Peña, Carolina, Hernández Ramos, Juan Manuel, Lara Jiménez, Valentín

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Modelado de una red eléctrica y su estudio de calidad de la energía basado en diagramas unifilares de CFE por Villanueva Soto, Bernardo, Salinas Mejía, Martín Hiram, Trujillo Guajardo, Luis Alonso, Cantú Gutiérrez, Paz Vicente

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Estrategia de mejora en la calidad y seguridad en instalaciones eléctricas por García Rebolloso, Martha Elia, Vega García, Karina, Colunga Jaime, Roxana, Torres Bugdud, Arturo, Mares Salas, Jesús Eduardo

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Consideraciones contractuales del outsourcing, para el desarrollo de Software por Cantú Mata, José Luis, Palomo González, Miguel Ángel, Torres Castillo, Fernando

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Características que influyen al error humano en la toma de decisiones estratégicas de los niveles directivos en la Industria Siderúrgica Mexicana por Monroy Guajardo, Fernando, Mendoza Gómez, Joel

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Determinantes en la recaudación del impuesto predial: Nuevo León, México por Cantú Suárez, Nora Elia

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Una relectura digital: el uso de herramientas tecnológicas para la difusión de la literatura escrita por mujeres en México por Zúñiga Sánchez, Verónica Tadea

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