Resultados de búsqueda - "collecting"

Deposition of micro-elements through leaf fallen from different types of vegetation, north-eastern Mexico por Domínguez Gómez, Tilo Gustavo, González Rodríguez, Humberto, Cantú Silva, Israel, Ramírez Lozano, Roque Gonzalo, Gómez Meza, Marco Vinicio, Alvarado, María del Socorro

“…The aim of the study was to determine monthly (2007) the content and deposition of Cu, Fe, Mn and Zn in leaf fallen litterfall samples collected in four sites, northeastern Mexico. Site 1 was located at 1600 m of altitude in a pine forest, mixed with deciduous trees; site 2 was at 550 m in the ecotone of a Quercus spp. forest and submontane scrub; sites 3 and 4 (at 350 m and at 300 m, respectively) were located in the Tamaulipan Thornscrub vegetation. …”
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Hacia el perfeccionamiento institucional de los cuerpos académicos en la Facultad de Ingeniería Mecánica y Eléctrica de la Universidad Autónoma de Nuevo León, México = Towards impr... por Dimas Rangel, María Isabel, Torres Bugdud, Arturo, Castillo Elizondo, Jaime Arturo

“…In Mexico, particularly, the collective work of academic bodies is an unresolved issue despite the efforts made in this regard. …”
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Historia del museo de San Matías Tlalancaleca: rescate, divulgación y guía turística por Curro Ávila, Anatanael Rosendo

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A psychological approach in the usage of interests to motivate children to the learning of EFL in a public school of Nuevo León, Mexico por Trejo Robles, Cathy Elizabeth

“…The instruments used are based on the concept of triangulation, and the data collection tools are observation forms, interviews, questionnaires about interests and student work. …”
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La calidad en el servicio para la competitividad de las pymes de LZC., MICH (caso sector abarrotero) por Almanza Jiménez, Rebeca, Herrera Hernández, Nora Eloísa, Tapia Tapia, Alma Rosa

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Resistencias cotidianas en un asentamiento informal de la Zona Metropolitana de Monterrey por Aranda Andrade, Marco Antonio

“…Keywords: Everyday resistance, collective action, Metropolitan Area of Monterrey, squatter settlements, urban marginality, political society.…”
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Outplacement: análisis de efectividad como estrategia de reinserción laboral por Treviño Montemayor, Jorge Guadalupe, Carrizales Velázquez, Genaro Alberto

“…Finally, a series of statistical data collected from multiple outplacement services organizations, as well as from the United States Bureau of Labor Statistics, are included.…”
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Cancer Mortality in Older Mexican Individuals (2000 – 2010) por González Santiago, Omar, Castillo Guzmán, Sandra, Palacios Ríos, Dionicio, Ramírez Cabrera, Mónica Azucena

“…Methods: For this retrospective study, we collected data on mortality due to cancer from the registries of the National Institute of Statistics and Geography. …”
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Implementación de un sistema mecánico desviador de producto alimenticio por Ramírez Montemayor, Víctor, Sánchez Ruíz, Gustavo Adolfo, Estrada Castillo, Magda Patricia, Ochoa Ochoa, Ovidio Alberto

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Sensitivity of histological chorioaminionitis and premature rupture of membranes for neonatal sepsis and its risk factors por Rodríguez Balderrama, Isaías, O Cavazos, Manuel Enrique de la, Martínez Ríos, Arturo, Cadena López, Izela Margarita, Flores Treviño, K. A.

“…Epidemiological variables were collected from mothers and newborns. The relationship between histological chorioamnionitis with premature rupture of membranes and early neonatal sepsis was established. …”
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Cardiac biomarker response to intermittent exercise bouts por Carranza García, Luis Enrique, George, Keith, Serrano Ostáriz, Enrique, Casado Arroyo, Rubén, Caballero Navarro, Ana L., Legaz Arrese, Alejandro

“…Biomarkers were assayed from blood samples collected at rest, immediately post- and at 1, 3, 6, 12, and 24 h post-exercise. …”
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Una propuesta metodológica para la evaluación del proceso de enseñanza-aprendizaje en un ambiente virtual (A methodologica proposal to evaluate teaching-learning process in a vi... por Fernández, F., Torrealba, J.C., Pineda, O., Tijerina, A.

“…This article provides a methodological proposal oriented to optimize the assessment process of a student performance on an on line environment through the application of group communication techniques (advisor-student, student-advisor, studentstudent, student-chat and so on) and widespread use of the new technologies on information and telecommunication as basic tools, based one the process follow-up and statistical data collection from the student´s learning performance and behaviour to enable the construction of significant and reliable indexes thus allowing the advisor a diagnostic on the student´s attitude and performance, allowing him to take on time the adequate preventive/corrective decision measures based on a success/failure tests outputs from the student performance, on a day- to- day basis, on the line environment.Resumen. …”
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Digestive enzyme activity and food ingesta in juvenile shrimp Litopenaeus vannamei (Boone, 1931) as a function of body weight por Gamboa Delgado, Julián, Molina Poveda, César, Cahu, Chantal

“…A study was conducted to evaluate variations of digestive enzyme activities in Litopenaeus vannamei (Boone) reared in commercial ponds under semi-intensive conditions. Shrimp were collected at each body weight increase of 2 g. As the shrimp grew (2^12 g), signi¢cant increases in the activities of lipase and chymotrypsinwere observed. …”
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Detección molecular del virus de la hepatitis E en hígados de cerdo destinados al consumo humano en el estado de Nuevo León, México por Cantú Martínez, Marco Antonio, Roig Sagués, Artur Xavier, Cedillo Rosales, Sibilina, Zamora Ávila, Diana Elisa, Avalos Ramírez, Ramiro

“…Materials and methods. 87 livers were collected from pigs slaughtered in TIF and 40 livers from butchers. …”
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Pelvimetry by Reformatted Computed Tomography in 290 Female Pelvis: Morphometric Variations Regarding Age por Vázquez Barragán, Miguel Ángel, Garza Báez, Azalea, Morales Avalos, Rodolfo, Martínez González, Brenda, Jacobo Baca, Guillermo, Pinales Razo, Ricardo, Quiroga Garza, Alejandro, De la Fuente Villarreal, David, Elizondo Riojas, Guillermo, Elizondo Omaña, Rodrigo Enrique, Guzmán López, Santos

“…Two hundred and ninety CT from Mexican women between the ages of 18 and 50 were collected and 3D reformatted in order to morphologically measure the pelvic diameters of clinical relevance. …”
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Discovery of a Novel Polyomavirus in Acute Diarrheal Samples from Children por Ramqvist, Torbjörn, Yu, Guixia, Greninger, Alexander L., Isa, Pavel, Phan, Tung G., Martínez, Miguel Angel, De la Luz Sanchez, Maria, Contreras, Juan Francisco, Santos Preciado, José Ignacio, Parsonnet, Julie, Miller, Steve, DeRisi, Joseph L., Delwart, Eric, Arias Ortiz, Carlos Federico, Chiu, Charles Y.

“…PCR-based screening detected MXPyV in 28 of 834 (3.4%) fecal samples collected from California, Mexico, and Chile, and 1 of 136 (0.74%) of respiratory samples from Mexico, but not in blood or urine samples from immunocompromised patients. …”
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The reinsertion of controlled internal drug release devices in goats does not increase the pregnancy rate after short oestrus synchronization protocol at the beginning of the breed... por Montes Quiroz, Gabriela Lisset, Sánchez Dávila, Fernando, Grizelj, Juraj, Bernal Barragán, Hugo, Vázquez Armijo, José Fernando, Bosque González, Alejandro Sergio del, Luna Palomera, Carlos, González Gómez, Adán, Ledezma Torres, Rogelio Alejandro

“…According to the reinsertion of CIDR after FTAI, goats were assigned to three treatments: G0 control group (n=29), no CIDR reinsertion; G7 group (n=27), CIDR reinserted 7 days; G14 group (n=29), CIDR reinserted 14 days. Blood samples were collected to determine progesterone levels. Oestrus appearance (92.9%), interval of CIDR removal to oestrus (IRE=34.1±1.1 hours), interval of oestrus onset to artificial insemination (IEAI= 20.2±1.0 hours), mean duration of oestrus (38.4±1.4 hours), and pregnancy rates (61.0%) were similar (P>.05) among groups. …”
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Characterization and Sources of Aromatic Hydrocarbons (BTEX) in the Atmosphere of Two Urban Sites Located in Yucatan Peninsula in Mexico por Cerón Bretón, Julia Griselda, Cerón Bretón, Rosa María, Vivas Ucan, Francisco, Barceló Baeza, Cynthia, Espinosa Fuentes, María de la Luz, Ramírez Lara, Evangelina, Rangel Marrón, Marcela, Montero Pacheco, Jorge Alfredo, Rodríguez Guzmán, Abril, Uc Chi, Martha Patricia

“…Abstract:Benzene,toluene,ethylbenzene,p-xylene,O3,NOx,CO,PM2.5 andmeteorologicalparameters were measured in urban air of two sites in Merida, Yucatan, Mexico during 2016–2017. Samples were collected using 1.5 h time intervals at three different sampling periods before being analyzed by gas chromatographywithflameionizationdetection. …”
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Adopción del e-commerce en función de la calidad percibida del servicio, costo y satisfacción en micronegocios del área metropolitana de Monterrey en el periodo 2020-2021 por Manzanáres Pérez, José Manuel, Alarcón Martinez, Gustavo Juan, López Pérez, Jesús Fabián

“…With the information collected, a step-wise linear regression model was carried out. …”
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Effect of trapping methods on the estimation of alpha diversity of a phlebotomine sandfly assemblage in southern Mexico por Rodríguez Rojas, Jorge Jesús, Rebollar Téllez, Eduardo Alfonso

“…With a total sampling effort of 1728 night-traps, 16 101 phlebotomine sandflies were collected; they represented two genera and 13 species. …”
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