Resultados de búsqueda - (("observed" OR ("conservadora" OR "conservadores")) OR "conservation")*
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721
Análisis microfacial, paleontológico y geoquímico en carbonatos de la Formación el Abra, Cerritos, San Luis Potosí, México
Publicado 2018“…In the town of Peña de Salazar, east of the capital of San Luis Potosí, the El Abra Formation outcrops crops out a carbonated sequence with evaporite strata towards the top of the profile only 123 m thick since the base of the outcrop is not observed, but in the region its thickness is not less than 400 m. …”
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Tesis -
722
Estudio de la combustión de mezclas de gasolina-bioalcohol en un motor de compresión variable CFR
Publicado 2018“…The aspects of the combustion that can be improved or deteriorated with he use of the different alcohols has been observed. Different suggestions has been made related to which blends have more potential in practical terms for further research…”
Enlace del recurso
Tesis -
723
Post-fire successional response of Lepidoptera communities in the Sierra Madre Oriental mountain range
Publicado 2019“…Rarefied species richness and diversity indices of butterfly communities measured by transect method were not significantly different, but the observed butterfly abundance (p=0.002) and species richness (p=0.005) per sampling day was significantly higher in the burned site throughout the year. …”
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Tesis -
724
Contenido de nutrimentos minerales en la hojarasca de bosques de pino, encino y pino-encino durante el proceso de descomposición
Publicado 2019“…In the Oak forest, the transfer of nutrients to the soil was 14.75 mg g-1 for Ca; 2.45 mg g -1 Mg; 7.61 mg g-1 K, 7.53 μg g-1 Cu and 71,405 μg g-1 of Mn; the transfer in the Pino-Oak forest was 17.87 mg g-1 for Ca; 3.05 mg g-1 Mg; 6.7 mg g-1 K; 10 μg g1 Cu and 351.51 μg g-1 of Mn; As for Fe and Zn, increases in their content were observed in the three types of ecosystems, with the Oak forest recording the highest values; 1023.39 μg g-1 and 112.73 μg g-1 respectively. …”
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Tesis -
725
Foliar biomass production and litterfall pattern of five timber species in forest plantations of semi-arid lands of the northeastern Mexico
Publicado 2017“…The greatest leaf litter accumulation was observed in winter (296 kg ha-1) by A. wrightii, and the lower value was recorded in spring, by E. ebano (97 kg ha-1). …”
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Artículo -
726
Procesamiento y estudio preliminar de un material compuesto de matriz AlSi₁₀Mg reforzado con nanopartículas de Ti mediante aleado mecánico.
Publicado 2020“…The results of the Vickers hardness show that with the addition of the nano particles and with the sintered one, it decreases; on the other hand, through the SEM and DRX the creation of new phases such as magnesium oxide and titanium oxide was observed in addition to observing some pores in certain microstructures. …”
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Tesis -
727
Control del crecimiento de Vibrio cholerae por productos naturales de plantas
Publicado 2007“…When mixtures of the sub- inhibitory concentrations were used, in some cases a synergistic effect was observed. These medicinal plants are potential antimicrobial compounds that could be helpful to control this pathogen.…”
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Tesis -
728
Aplicación de la inversión conjunta de datos sísmicos y de resistividad para la generación de imágenes de alta resolución en la caracterización hidrogeológica
Publicado 2008“…The geophysical signature of each line (resistivity-velocity graph) showed geophysical data behavior with petrophysical changes of the lithological units. It was observed that the variations of resistivity are associated mainly to mineral percentage. …”
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Tesis -
729
Síntesis de cementantes hidráulicos alternativos mediante la geopolimerización de escorias de fundición de concentrados de pb–zn
Publicado 2015“…Additionally, mortars were performed with two relations a/e of 2.5:1 and 1:1. showing a consistency lower to the observed in mixtures with CPO; however, the workability achieved was adequate for the consolidation of the specimens and the RC of all mixtures exceeded the 30 MPa at 90 days of curing. …”
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Tesis -
730
Comparación in vitro de dos medios de diferenciación osteogénica en células madre de pulpa dental humana para su aplicación en regeneración ósea periodontal
Publicado 2015“…CM presented small mineralized nodules since day 6, being increased on day 18, where the calcified material was abundant and also, a distinctive change to an osteoblast-like morphology was observed. TM exhibited small nodules until day 18. …”
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731
Efecto del eritritol sobre el desarrollo y fructificación de pleurotus ostreatus.
Publicado 2018“…Based on the microscopic observations it was deducted that the concentration of erythritol affects the morphology of the mycelium and this is reflected in a negative effect on it. …”
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732
Incorporación de extracto de aloe vera en nanopartículas para estimulación de osteoblastos.
Publicado 2018“…In the histological sections, a significant difference was observed between bone neoformation between the group in which lyophilized bone was incorporated with Aloe vera extract nanoparticles and the control group. …”
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Tesis -
733
La satisfacción de clientes/deportistas y trabajadores en entidades deportivas como determinante de los servicios deportivos.
Publicado 2018“…Results: satisfactory indices were obtained within the exploratory and confirmatory factor analyzes, the values resulting from the reliability: Cronbach’s alpha, composite reliability and average variance extracted were acceptable for most if the factors except for the facility factor of the client/athlete survey that did not meet the recommended value, the correlation indexes, it is observed that all the factor of the poll of client/athlete survey as for the workers correlate positive and significantly among all the factors. …”
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Tesis -
734
Servicios ecosistémicos de las comunidades de insectos acuáticos y control larvario de Culex spp. (Díptera: Culicidae) en el Río Pesquería, Santa Rosa, Apodaca, Nuevo León.
Publicado 2019“…With regard to the dynamics of colonization, a total of 4,835 insects were collected from October 28 to December 2 of 2015 in a total of 13 samplings, these organisms belonging to four orders: Odonata, Lepidoptera, Coleoptera and Diptera; it was observed that the sites only reach stage one of colonization since although it is known that in stage two is when there is competition and predation among the individuals and in the study if predators of the Odonata and Coleoptera orders were found, the number of species did not decrease throughout the samplings. …”
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Tesis -
735
Respuesta antioxidante de Yarrowia lipolytica en ausencia del gen CAT3
Publicado 2018“…Although, in the qualitative analysis observed a decrease in the Ylcat3-Δ mutant growth in presence of H2O2 (5 mM), the quantitative analysis showed that Ylcat3-Δ mutant has the same growth rate that the wild type under normal conditions and in presence of H2O2. …”
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Tesis -
736
Evaluación de las características nutricionales y funcionales del concentrado proteico de Phaseolus acutifolius Gray
Publicado 2018“…The results of in vitro digestibility highlight the importance and the benefit of applying a heat treatment to the seeds, this could be observed in the decrease in particle size and increase in percentage of digested protein. …”
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Tesis -
737
Evaluación de tratamientos biológicos para la sacarificación del grano gastado de cervecería y su utilización como adjunto en el proceso de elaboración de cerveza tipo lager.
Publicado 2018“…Comparing the must obtained with the hydrolyzed adjunct against the control wort, it was observed: 6% less yield; similar fermentable carbohydrate profile; free amino nitrogen content almost 9% higher and darker color; and it could be fermented successfully under the same conditions. …”
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Tesis -
738
Hongos asociados con la muerte regresiva de los cítricos en el noreste de México y antagonismo con microorganismos nativos.
Publicado 2019“…In the germination inhibition test, the production of chlamydospores was observed as a means of survival of the pathogens when they are against an antifungal compound or biocontrol microorganism. …”
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Tesis -
739
Análisis microfacial, paleontológico y geoquímico en carbonatos de la Formación el Abra, Cerritos, San Luis Potosí, México
Publicado 2018“…In the town of Peña de Salazar, east of the capital of San Luis Potosí, the El Abra Formation outcrops crops out a carbonated sequence with evaporite strata towards the top of the profile only 123 m thick since the base of the outcrop is not observed, but in the region its thickness is not less than 400 m. …”
Enlace del recurso
Tesis -
740
Estudio de la combustión de mezclas de gasolina-bioalcohol en un motor de compresión variable CFR
Publicado 2018“…The aspects of the combustion that can be improved or deteriorated with he use of the different alcohols has been observed. Different suggestions has been made related to which blends have more potential in practical terms for further research…”
Enlace del recurso
Tesis