Resultados de búsqueda - "performance"
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863
Caracterización del hábitat de Amoreuxia wrightii (Bixaceae), una especie en peligro de extinción en el noreste de México
Publicado 2018“…In this study the characterization of natural populations of A. wrightii, which grow in two contrasting communities taking into account the canopy cover in the Tamaulipan thornscrub in northeastern Mexico, was performed by analysis of associated flora and physical and chemical properties of soils. …”
Enlace del recurso
Artículo -
864
Comparación de un método inmediato para detectar bacterias durante el tratamiento de endodoncia versus el método de cultivo tradicional.
Publicado 2018“…The reading of the ATP based on bioluminescence is easy to perform and the results can be obtained in a clinically time frame of 5 minutes. …”
Enlace del recurso
Tesis -
865
Obtención y evaluación de péptidos bioactivos de recursos vegetales subutilizados con potencial agroalimentario
Publicado 2018“…To evaluate the antioxidant activity three tests were performed: the ability to sequester the radical DPPH, according to the method of Wu et al., (2003) by spectrophotometry at 517 nm; discoloration of β-carotene according to the method of Miller (1971) using a 96-well microplate reader at 470 nm and 45 ° C at 0, 30, 60, 90, 120 and 150 minutes; and the determination of reducing power, according to the method of Oyaizu (1986) by spectrophotometry at 700 nm; on the other hand, to evaluate the antihypertensive activity, an assay was performed to determine the peptides with inhibitory capacity of the angiotensin converting enzyme, according to the method of Santandreu and Toldra (2006) using a fluorescence reader in microplates at 420 nm. …”
Enlace del recurso
Tesis -
866
Comparación de un método inmediato para detectar bacterias durante el tratamiento de endodoncia versus el método de cultivo tradicional.
Publicado 2018“…The reading of the ATP based on bioluminescence is easy to perform and the results can be obtained in a clinically time frame of 5 minutes. …”
Enlace del recurso
Tesis -
867
Obtención y evaluación de péptidos bioactivos de recursos vegetales subutilizados con potencial agroalimentario
Publicado 2018“…To evaluate the antioxidant activity three tests were performed: the ability to sequester the radical DPPH, according to the method of Wu et al., (2003) by spectrophotometry at 517 nm; discoloration of β-carotene according to the method of Miller (1971) using a 96-well microplate reader at 470 nm and 45 ° C at 0, 30, 60, 90, 120 and 150 minutes; and the determination of reducing power, according to the method of Oyaizu (1986) by spectrophotometry at 700 nm; on the other hand, to evaluate the antihypertensive activity, an assay was performed to determine the peptides with inhibitory capacity of the angiotensin converting enzyme, according to the method of Santandreu and Toldra (2006) using a fluorescence reader in microplates at 420 nm. …”
Enlace del recurso
Tesis -
868
CAMBIOS EN LAS VARIABLES DE RIESGO CARDIOVASCULAR EN UNA COHORTE DE ESTUDIANTES UNIVERSITARIOS DE LA CIUDAD DE MÉXICO
Publicado 2011“…Paired Student’s t-tests were performed in order to compare means and cases were expressed in graphical formats for lipid results. …”
Enlace del recurso
Artículo -
869
Blanqueamiento coralino: ¿Existe un futuro para los arrecifes de coral?
Publicado 2025Enlace del recurso
Artículo -
870
Efficacy and safety of ultrasound-guided internal jugular vein catheterization in low birth weight newborn
Publicado 2016“…Success depends on the size of the vessel and the skill of the health professional performing the procedure. The internal jugular vein provides a predictable path for central venous cannulation, although it is more difficult to cannulate infants than adults and even more difficult in smaller newborns. …”
Enlace del recurso
Artículo -
871
Sensitivity of histological chorioaminionitis and premature rupture of membranes for neonatal sepsis and its risk factors
Publicado 2016“…Materials and methods: Prospective, observational study and diagnostic test performed in the Neonatology Service of the ‘‘Dr. …”
Enlace del recurso
Artículo -
872
Flower, fruit phenology and flower traits inCordia boissieri(Boraginaceae) from northeastern Mexico
Publicado 2016“…A GLM test was used to determine the relationship between flowering and fruit set processes and rainfall. We performed measurements of floral traits to detect variations within the population and between flowering events. …”
Enlace del recurso
Artículo -
873
Species composition and seasonal abundance of sandflies (Diptera: Psychodidae: Phlebotominae) in coffee agroecosystems
Publicado 2014“…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.). …”
Enlace del recurso
Artículo -
874
Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría.
“…Conclusions The results showed there were formaldehyde concentrations in the air of the clinics, enough to generate irritations in eyes and skin, higher concentrations were also observed in the clinics where the ventilation was zero and they performed a poor management of it.…”
Enlace del recurso
Tesis -
875
Medición de la actitud de los aspirantes a docentes en el examen de oposición a cátedra de una universidad pública
Publicado 2014“…Linear regression was performed to check the significance of each of the independent variables and the results obtained were satisfactory. …”
Enlace del recurso
Artículo -
876
Sistema de guía, navegación y retroalimentación para un misil tierra-aire a través de sistemas híbridos
Publicado 2016“…Contributions and conclusions: The developing process is to perform a simulation that, separately, communicates the sensor module block with the flight computer module. …”
Enlace del recurso
Tesis -
877
Distinct neural responses to chord violations: A multiple source analysis study.
Publicado 2011“…EEG was recorded and multiple source analysis was performed. Incongruous chords violating the rules of harmony elicited a bilateral ERAN, whereas mistuned chords within chord sequences elicited a right-lateralized MMN. …”
Enlace del recurso
Artículo -
878
Effect of Citric Acid Hard Anodizing on the Mechanical Properties and Corrosion Resistance of Different Aluminum Alloys
Publicado 2024“…The aim of the work is to observe the effect of citric acid on the microstructure of the substrate, the mechanical properties, the corrosion resistance, and the morphology of the hard anodic layers. Hard anodizing was performed on three different aluminum alloys using three citric–sulfuric acid mixtures for 60 min and using current densities of 3.0 and 4.5 A/dm2. …”
Enlace del recurso
Artículo -
879
Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría.
“…Conclusions The results showed there were formaldehyde concentrations in the air of the clinics, enough to generate irritations in eyes and skin, higher concentrations were also observed in the clinics where the ventilation was zero and they performed a poor management of it.…”
Enlace del recurso
Tesis -
880
Sistema de guía, navegación y retroalimentación para un misil tierra-aire a través de sistemas híbridos
Publicado 2016“…Contributions and conclusions: The developing process is to perform a simulation that, separately, communicates the sensor module block with the flight computer module. …”
Enlace del recurso
Tesis