Resultados de búsqueda - (("levey" OR "level") OR ("leves" OR "levels"))*

Monitoreo de niveles de plomo en ciudad universitaria (UANL) utilizando aves como bioindicadores por Olalla-Kerstupp, Alina, González-Martínez, Jorge Alexis, Yeverino-Martínez, Carlos David, González-Rojas, José Ignacio, Guzmán-Velasco, Antonio, Ceyca, Juan Pablo, Ruiz-Aymá, Gabriel

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Efectos del tipo de cambio en el resultado de empresas mexicanas. (effect of the exchange rate on mexican companies' net results) por González Gámez, Juan Manuel, Durán Crespo, Mireyda, Domínguez, Elizabeth, Treviño Saldívar, Eduardo Javier

“…These effects will be sized at three levels for your study in operational efficiency, linked to costs and expenses; income or expenditure by financial result, related to capital structure, primarily by debt; and presentation of financial information.…”
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Cardiac biomarker release after exercise in healthy children and adolescents: a systematic review and meta-analysis por Cirer Sastre, Rafel, Legaz Arrese, Alejandro, Corbi, Francisco, George, Keith, Nie, Jinlei, Carranza García, Luis Enrique, Reverter Masía, Joaquín

“…Conclusion: Exercise results in the appearance of elevated levels of cTnT, cTnI, and NT-proBNP in children and adolescents. …”
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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

“…PURPOSE: To determine if the surgical type mask has a negative effect in VO₂Max, as well as any variation in the levels of Sat%O₂. METHODS: Fifteen healthy Mexican subjects were evaluated. …”
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Evaluation of a Beta-propeller Phytase for its Application in Aquaculture por Guerrero-Olazarán, Martha, Cruz-Suárez, L. Elizabeth, Ricque-Marie, Denis, Nieto-López, Martha, Tapia-Salazar, Mireya, Cab-Barrera, Eddy L., Viader-Salvadó, José M.

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Desafección política y medios de comunicación en México. Aproximaciones teóricas, tendencias y hallazgos por Meza Medina, Juan Luis

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Evaluación de procesos de la implementación del programa Ser Pilo Paga en la Universidad Del Valle por Pérez Bonfante, Luis Alberto, Castrillón Córdoba, Michelle

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El Derecho humano al agua y saneamiento en territorios rurales e indígenas de México. Retos y desafíos por Amador Pérez, Reynaldo

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Schizophyllum commune : An unexploited source for lignocellulose degrading enzymes por Tovar Herrera, Omar Eduardo, Martha Paz, Adriana Mayrel, Pérez LLano, Yordanis, Aranda, Elisabet, Tacoronte Morales, Juan Enrique, Pedroso Cabrera, María Teresa, Arévalo Niño, Katiushka, Folch Mallol, Jorge Luis, Batista García, Ramón Alberto

“…In this review, we focus on the enzymatic toolbox of S. commune at the genetic, transcriptomic, and proteomic level, as well as the requirements to be employed for fermentable sugars production in biorefineries. …”
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Characterization of Trehalose-6-phosphate Synthase and Trehalose-6-phosphate Phosphatase Genes and Analysis of its Differential Expression in Maize (Zea mays) Seedlings under Droug... por Acosta Pérez, Phamela, Camacho Zamora, Bianka Dianey, Espinoza Sánchez, Edward Alexander, Gutiérrez Soto, Juanita Guadalupe, Zavala García, Francisco, Abraham Juárez, María Jazmín, Sinagawa García, Sugey Ramona

“…Thus, the aim of this work was to clone and characterize at molecular level the trehalose-6-phosphate synthase (TPS) and trehalose-6-phosphate phosphatase (TPP) genes from maize and to evaluate its differential expression in maize seedlings under drought stress. …”
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Resultados psicológicos del entrenamiento físico durante el embarazo. revisión de literatura por Enríquez Reyna, María Cristina, Gallardo Tovar, Olga Liliana, Hernández Cortés, Perla Lizeth, Lagunes Carrasco, José Omar, Carranza García, Luis Enrique

“…The quality of the analyzed evidence varies between level II and III of the classification of the National Health and Medical Research Council (1999). …”
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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

“…Heart rate (HR), VO2 , and lactate concentrations were measured at the end of each exercise level. At maximal effort, there were no differences between the groups regarding VO2max and maximal HR; however, the workload time, vVO2max and peak treadmill velocity were significantly higher in the 3000 m steeplechase group (p<0.05). …”
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Low concentration fe-doped alumina catalysts using sol-gel and impregnation methods: the synthesis, characterization and catalytic performance during the combustion of trichloroeth... por Solís Maldonado, Carolina, Rivera de la Rosa, Javier, Lucio Ortiz, Carlos J., Hernández Ramírez, Aracely, Castillón Barraza, Felipe F., Valente, Jaime S.

“…Several characterization techniques were used to study the level of Fe modification in the γ-Al2O3 phase formed and to correlate the catalytic properties during trichloroethylene (TCE) combustion. …”
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Superovulation and embryo quality with porcine follicle stimulation hormone (pFSH) in Katahdin hair sheep during breeding season por Sánchez Dávila, Fernando, Bernal Barragán, Hugo, Del Bosque González, Alejandro S., González Gómez, Adán, Olivares Sáenz, Emilio, Padilla Rivas, Gerardo Raymundo, Ledezma Torres, Rogelio Alejandro

“…At the beginning of superovulation treatment, each ewe received 5 mg of dinoprost tromethamine (1 ml of Lutalyse® Pfizer, Mexico). An effect of pFSH level was observed on the interval from sponge removal and the onset of estrus (REI) (P < 0.01), with a difference of 13.5 h between ewes from treatment 2 and 3. …”
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Tailoring the microstructure and tribological properties in commercially pure aluminium processed by High Pressure Torsion Extrusion por Sergejev, F., Omranpour, B., Kommel, L., Ivanisenko, J., Hernández Rodríguez, Marco Antonio Loudovic, García Sánchez, Edgar, Antonov, M.

“…The grain refinement obtained by this technique was outstanding since the initial grain size of 120 μm in annealed conditions was reduced to the final grain size of 0.7 μm in v1w3 in merely one pass of extrusion; however, each regime showed a different level of grain refinement depending on the imposed strain. …”
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Mg-Ca0.3 Electrochemical Activity Exposed to Hank’s Physiological Solution and Properties of Ag-Nano-Particles Deposits por González Murguía, José Luis, Veleva, Lucien, Rodríguez Gattorno, Geonel, Figueroa Torres, Mayra Zyzlila, Feliu, Sebastián

“…The pH change over time, the lower mass loss (≈20%), and the lower concentration of the released Mg2+ ions (≈3.6 times), as well as the lower level of the surface degradation, allowed to consider the positive effect of Ca, presenting Mg-Ca0.3 alloy with lower electrochemical activity than that of Mg. …”
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Mean platelet volume is decreased in adults with active lupus disease por Delgado García, Guillermo Rubén, Galarza Delgado, Dionicio Ángel, Colunga Pedraza, Iris Jazmín, Borjas Almaguer, Omar David, Mandujano Cruz, Ilse, Benavides Salgado, Daniel Eduardo, Martínez Granados, Rolando Jacob, Atilano Díaz, Alexandro

“…Results: MPV was significantly decreased with respect to those of inactive patients (7.16 ± 1.39 vs. 8.16 ± 1.50, p = 0.005). At a cutoff level of 8.32 fL, MPV has a sensitivity of 86% and a specificity of 41% for the detection of disease activity. …”
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Atención prenatal en adolescentes embarazadas por Barbosa Martínez, Rosalva del Carmen, Benavides Torres, Raquel Alicia, Ramírez Aranda, José Manuel

“…The mean age of first sexual encounter was 15 (12 -17) years and 61.7% mentioned having one sexual partner; 56.7% said this was an unplanned pregnancy. The predominant level of education was completed secondary school (40%); 50% had a common law relationship, 85% said they were housewives, and 41.7% had complications during their pregnancy. …”
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Species composition and seasonal abundance of sandflies (Diptera: Psychodidae: Phlebotominae) in coffee agroecosystems por Pérez, Jeanneth, Virgen, Armando, Rojas, Julio Cesar, Rebollar Téllez, Eduardo Alfonso, Alfredo, Castillo, Infante, Francisco, Mikery, Oscar, Marina, Carlos Felix, Ibáñez Bernal, Sergio

“…Insect sampling was performed on three plantations located at different altitudes: Finca Guadalupe Zajú [1,000 m above sea level (a.s.l.)], Finca Argovia (613 m a.s.l.) and Teotihuacán del Valle (429 m a.s.l.). …”
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Instructional strategies to improve the academic writing performance of undergraduate EFL learners from a public university in Northeastern Mexico por López Martínez, Andrea

“…This study aims to identify the most common types of mistakes that fifth-semester undergraduate B2 level EFL learners show in their academic writing performance and the influence of intrinsic and extrinsic factors. …”
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