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1141
Evaluación teórica de la reflectancia en capas delgadas de Al/SiO2 depositadas mediante sputtering para aplicaciones en recubrimientos ópticos
Published 2021“…For this, a methodology was developed that contemplates carrying out the deposition of the material at two different temperatures of the substrate, the angles at which the aluminum is deposited in its vapor phase were also modified by means of the sputtering technique and finally it was varied in two different values are the speed at which the aluminum atoms are deposited on the substrate. …”
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Tesis -
1142
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1143
Manejo de herbicidas sintéticos y extractos vegetales para controlar malezas en cultivos básicos: maíz, frijol y sorgo.
Published 2017“…El método y solvente con mayor extracción de polifenoles totales en las dos especies vegetales fue; el método convencional sólido-líquido con solvente etanólico, que se aplicó en concentraciones de -1.5,- 3.5- y -6.5% en bioensayos de germinación y aspersión foliar en cinco especies vegetales; Zea mays L., Phaseolus vulgaris L., Sorghum bicolor L. …”
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Tesis -
1144
Manejo de herbicidas sintéticos y extractos vegetales para controlar malezas en cultivos básicos: maíz, frijol y sorgo.
Published 2017“…El método y solvente con mayor extracción de polifenoles totales en las dos especies vegetales fue; el método convencional sólido-líquido con solvente etanólico, que se aplicó en concentraciones de -1.5,- 3.5- y -6.5% en bioensayos de germinación y aspersión foliar en cinco especies vegetales; Zea mays L., Phaseolus vulgaris L., Sorghum bicolor L. …”
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Tesis -
1145
Diseño y construcción de un reactor hibrido tipo batch para la producción de biocombustibles: biodiésel y bioetanol como caso de estudio.
Published 2017“…In order to scale this parameter to reactor level, the RMA varied from 3: 1 and 6: 1 (6 molecules of methanol per 1 of oil used) and the time of 15, 30, 45 and 60 minutes of process obtaining as a result that with a RMA of 6: 1 with a time of 60 minutes a conversion of 100 % was obtained, all these experiments were carried out at a temperature of 60 ◦ C and 400 rpm. …”
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Tesis -
1146
Evaluación de la expresión diferencial de citocinas proinflamatorias en un modelo murino de infección por distintos serotipos de Streptococcus agalactiae
Published 2020“…The cytokine expression profiles varied after infection with the different serotypes. …”
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Tesis -
1147
Mecanismos de resistencia y perfil de expresion de genes involucrados en la resistencia a la deltametrina en poblaciones de Aedes aegypti (L.) (Diptera: Culicidae) en México
Published 2020“…The frequency of L410 increased from 1.18 to 2.63 for V1016 an increase was observed between 1.19 and 2.79 times, and C1534 was fixed in all strains after deltamethrin selection. Enzymatic activity varied significantly during the generations of selection. …”
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Tesis -
1148
Estimación del contenido de carbono total de especies arbóreas y arbustivas en áreas con diferente uso histórico, en una fracción del matorral espinoso tamaulipeco, Linares, N. L....
Published 2008“…By a completely randomized ANOVA there were not any differences found in the average of total carbon content of the species (Pr < 0.0564), this content varied from 44.25 to 47.08% with an general average of 45.52%; Cordia boissieri (44.25 ± 1.52%) and Acacia farnesiana (44.52 ± 1.37%) in the site of Traditional Agriculture those were the species that were with the smallest values, Forestiera angustifolia (47.08 ± 1.27%) with highest in the site of Extensive Foraging. …”
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Tesis -
1149
Diseño y construcción de un reactor hibrido tipo batch para la producción de biocombustibles: biodiésel y bioetanol como caso de estudio.
Published 2017“…In order to scale this parameter to reactor level, the RMA varied from 3: 1 and 6: 1 (6 molecules of methanol per 1 of oil used) and the time of 15, 30, 45 and 60 minutes of process obtaining as a result that with a RMA of 6: 1 with a time of 60 minutes a conversion of 100 % was obtained, all these experiments were carried out at a temperature of 60 ◦ C and 400 rpm. …”
Get full text
Tesis -
1150
Evaluación de la expresión diferencial de citocinas proinflamatorias en un modelo murino de infección por distintos serotipos de Streptococcus agalactiae
Published 2020“…The cytokine expression profiles varied after infection with the different serotypes. …”
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Tesis -
1151
Mecanismos de resistencia y perfil de expresion de genes involucrados en la resistencia a la deltametrina en poblaciones de Aedes aegypti (L.) (Diptera: Culicidae) en México
Published 2020“…The frequency of L410 increased from 1.18 to 2.63 for V1016 an increase was observed between 1.19 and 2.79 times, and C1534 was fixed in all strains after deltamethrin selection. Enzymatic activity varied significantly during the generations of selection. …”
Get full text
Tesis -
1152
Estimación del contenido de carbono total de especies arbóreas y arbustivas en áreas con diferente uso histórico, en una fracción del matorral espinoso tamaulipeco, Linares, N. L....
Published 2008“…By a completely randomized ANOVA there were not any differences found in the average of total carbon content of the species (Pr < 0.0564), this content varied from 44.25 to 47.08% with an general average of 45.52%; Cordia boissieri (44.25 ± 1.52%) and Acacia farnesiana (44.52 ± 1.37%) in the site of Traditional Agriculture those were the species that were with the smallest values, Forestiera angustifolia (47.08 ± 1.27%) with highest in the site of Extensive Foraging. …”
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Tesis -
1153
Evaluación de la calidad del agua de tres ríos de la subcuenca del “Río Limón” en el estado de Nuevo León
Published 2005“…However none chamical constituent exceeded set standards but concentrations of several constituents (pH, CE, Ca2+, Mg2+ Na1 + CO3 - HCO3 Cl- , SO42-) varied according to time, river and location. The time source of variation was explained by increased discharge which appeared to control the concentration of several chemical constituents by dilution. …”
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Tesis -
1154
Evaluación del contenido de carbono en bosques del sur de Nuevo León
Published 2005“…Therefore, the main objective was to evaluate forest capacity for carbon sequestration at the South of Nuevo León, in order to test that this capacity varies among forest types. To do so, from 8 to 12 trees belonging to Pinus teocote, Pinus pseudostrobus and Quercus spp., were felled to obtain total dry weight and to adjust diameter equations for diameters above 1.3 m. …”
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Tesis -
1155
Evaluación de la calidad del agua de tres ríos de la subcuenca del “Río Limón” en el estado de Nuevo León
Published 2005“…However none chamical constituent exceeded set standards but concentrations of several constituents (pH, CE, Ca2+, Mg2+ Na1 + CO3 - HCO3 Cl- , SO42-) varied according to time, river and location. The time source of variation was explained by increased discharge which appeared to control the concentration of several chemical constituents by dilution. …”
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Tesis -
1156
Evaluación del contenido de carbono en bosques del sur de Nuevo León
Published 2005“…Therefore, the main objective was to evaluate forest capacity for carbon sequestration at the South of Nuevo León, in order to test that this capacity varies among forest types. To do so, from 8 to 12 trees belonging to Pinus teocote, Pinus pseudostrobus and Quercus spp., were felled to obtain total dry weight and to adjust diameter equations for diameters above 1.3 m. …”
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Tesis -
1157
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1158
Aislamiento y selección de cepas mutantes de Hirsutella citriformis inducidas por el agente químico: metanosulfonato de etilo (EMS).
Published 2017“…Techniques such as biphasic culture on different low-cost substrates (sorghum, rice and oats) were evaluated to obtain the highest conidia production that would be used in classical mutagenesis with the chemical agent ethyl methane sulfonate (EMS) which has been successfully used to introduce changes of a single base in the DNA, a mutation protocol was established varying times and concentrations for the obtaining of mutant strains, which were characterized based on radial growth, production of conidia and speed of germination in media as PDA and PDA with yeast extract. …”
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Tesis -
1159
Aislamiento y selección de cepas mutantes de Hirsutella citriformis inducidas por el agente químico: metanosulfonato de etilo (EMS).
Published 2017“…Techniques such as biphasic culture on different low-cost substrates (sorghum, rice and oats) were evaluated to obtain the highest conidia production that would be used in classical mutagenesis with the chemical agent ethyl methane sulfonate (EMS) which has been successfully used to introduce changes of a single base in the DNA, a mutation protocol was established varying times and concentrations for the obtaining of mutant strains, which were characterized based on radial growth, production of conidia and speed of germination in media as PDA and PDA with yeast extract. …”
Get full text
Tesis