Search Results - ((((onca OR fona) OR onda) OR (((ronca OR ronasl) OR (ronna OR orona)) OR oronasld)) OR once)

  1. 261

    Síntesis de ZnO dopado con Ag, La y Cu mediante la técnica de solución nital para la reducción de CO₂. by Torres Sánchez, Arturo

    Published 2016
    “…Finalmente se analizó el producto obtenido por espectroscopía de UV-Vis en un intervalo de longitud de onda de 550 a 175 nm. Asimismo, se cuantificó la concentración de formaldehído producido mediante cromatografía de líquidos de alta resolución. …”
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  2. 262

    Evaluación teórica de la reflectancia en capas delgadas de Al/SiO2 depositadas mediante sputtering para aplicaciones en recubrimientos ópticos by Ortega Cabrera, Jesús Javier

    Published 2021
    “…Se obtuvo que para un ángulo de deposición de 0º y una razón de 0.404 nm/s para la deposición, la reflectancia fue máxima con un valor de 89.1%, para los 550 nm de longitud de onda en el rango del espectro visible. El espesor del recubrimiento donde se obtuvieron estos valores, fue el correspondiente al intervalo de los 80 nm. …”
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  3. 263

    Síntesis y caracterización del Mg(BOB)2 como electrolito para baterías recargables de iones de magnesio by Guzmán Torres, Jesús, González Juárez, Edgar, De la Parra Arciniega, Salome Maribel, Espinosa Roa, Arián, Sánchez Cervantes, Eduardo Maximiliano

    Published 2023
    “…Los resultados obtenidos mediante espectroscopia infrarroja por transformada de Fourier (FTIR) dentro del rango de número de onda de 4000–400 cm−1 confirmaron la aparición de los grupos funcionales del Mg(BOB)2, identificados por sus bandas características de absorción C=O, C-O-B-O-C, O-B-O y B-O. …”
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    Article
  4. 264

    Crisis constitucional vs. crisis sanitaria: Estado, gobierno y derechos humanos durante la pandemia por COVID-19 en América Latina by Spigno, Irene, Dueñas, Gustavo Ruz

    Published 2021
    “…Esta edición concentro el trabajo de veintitrés autores que forman parte de once instituciones distintas de cuatro países diferentes; a saber: Chile, Colombia, Nicaragua y México. …”
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    Article
  5. 265
  6. 266

    Análisis del daño al DNA de monocitos humanos infectados con Mycobacterium tuberculosis mediante la técnica de DBD-FISH. by Luévano Martínez, Miriam Lorena

    Published 2017
    “…During infection, alveolar macrophages are the first cells to deal with the bacteria, but M. tuberculosis has the ability to invade and replicate itself inside other non-professionals phagocytic cells. Once the bacilli enters the macrophage, it triggers processes that may lead to cellular death, either by necrosis or apoptosis. …”
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    Tesis
  7. 267

    Evaluación de la actividad anticáncer de Thevetia peruviana. by Ramos Silva, José Alberto

    Published 2018
    “…ABSTRACT Cancer is the major health problem around the world, its morbidity and mortality increased once the cancer has metastasized. The use of nutraceutical agents as an alternative healing has been suggested for the preventions and treatment of advanced cancer. …”
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  8. 268

    Análisis geomecánico utilizando el método RMR, de un macizo rocoso ubicado en el km 40 de la carretera Linares – Iturbide. by Garza Pérez, Magdaleny

    Published 2017
    “…The RMR (ROCK MASS RATING) method proposed by Bieniawski in the 80's will be used as a parameter to classify the quality of the rock mass from a geological engineer point of view, so with complementary data to establish the parameters of the rocky mass for the purpose of slope stability, determining the degree of risk and generating necessary measures to deal with possible damages that could be generated. Once the results are obtained, they will be checked to see if the stability of a rock mass is directly related to the distribution and orientation of the discontinuities, as well as its dimensions and arches, among other factors, and to see the causes of the discontinuities, which the slope is metastable.…”
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  9. 269

    Análisis del daño al DNA de monocitos humanos infectados con Mycobacterium tuberculosis mediante la técnica de DBD-FISH. by Luévano Martínez, Miriam Lorena

    Published 2017
    “…During infection, alveolar macrophages are the first cells to deal with the bacteria, but M. tuberculosis has the ability to invade and replicate itself inside other non-professionals phagocytic cells. Once the bacilli enters the macrophage, it triggers processes that may lead to cellular death, either by necrosis or apoptosis. …”
    Get full text
    Tesis
  10. 270

    Evaluación de la actividad anticáncer de Thevetia peruviana. by Ramos Silva, José Alberto

    Published 2018
    “…ABSTRACT Cancer is the major health problem around the world, its morbidity and mortality increased once the cancer has metastasized. The use of nutraceutical agents as an alternative healing has been suggested for the preventions and treatment of advanced cancer. …”
    Get full text
    Tesis
  11. 271

    Análisis geomecánico utilizando el método RMR, de un macizo rocoso ubicado en el km 40 de la carretera Linares – Iturbide. by Garza Pérez, Magdaleny

    Published 2017
    “…The RMR (ROCK MASS RATING) method proposed by Bieniawski in the 80's will be used as a parameter to classify the quality of the rock mass from a geological engineer point of view, so with complementary data to establish the parameters of the rocky mass for the purpose of slope stability, determining the degree of risk and generating necessary measures to deal with possible damages that could be generated. Once the results are obtained, they will be checked to see if the stability of a rock mass is directly related to the distribution and orientation of the discontinuities, as well as its dimensions and arches, among other factors, and to see the causes of the discontinuities, which the slope is metastable.…”
    Get full text
    Tesis
  12. 272
  13. 273

    LINFEDEMA SECUNDARIO A CÁNCER DE MAMA: ¿UNA POSIBLE SECUELA A CONSIDERAR? by Jiménez-Pérez, Luz Margarita, Zepeda-Ornelas, Edgar Alejandro, Laguna-Macías, Priscila Karen, Frías-Terrones, María Gabriela, Meza-León, Blanca

    Published 2011
    “…In addition, it is important to recognize, breast cancer survivors remain at risk of this health problem for lifetime; and once it has clinically settled down, it might become a chronic and irreversible condition, although controllable with the right medical management, which implies higher costs.  …”
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    Article
  14. 274
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  16. 276

    Caracterización de litologías del noreste de México y su utilización como análogos en pruebas de desplazamiento de hidrocarburo para recuperación mejorada. by Chávez García, Angelo Iván

    Published 2017
    “…Se obtuvieron 25 muestras de núcleos de once sitios con diferentes litologías dentro del paquete sedimentario de la Formación Cupido y se encontró que la porosidad va desde 1% hasta 38%, mientras que en las rocas almacenadoras del Cretácico Inferior va desde 2 a 8%, por lo que las rocas de la Formación Cupido pueden ser utilizadas como análogos de las rocas almacenadoras del Cretácico Inferior. …”
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  17. 277

    Estimation of lower-limb joint torques from EEG signals of gait initiation movements using a machine learning scheme by Alvarado Ruiz, Lucero Esmeralda

    Published 2019
    “…Brain-Computer Interfaces (BCIs) surge as an attempt to return the mobility impaired people once had. One of the aims BCIs have is the accurate estimation of continuous variables of the human locomotion, such as muscular forces, articular positions, cartesian positions and joint torques, from non-invasive neural recordings, such as Electroencephalographic (EEG) signals. …”
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  18. 278

    Procesamiento y estudio preliminar de un material compuesto de matriz AlSi₁₀Mg reforzado con nanopartículas de Ti mediante aleado mecánico. by Sánchez Rico, Valentina

    Published 2020
    “…After mechanical grinding, 1g of each powder obtained in a 4 ton uniaxial press was pressed for 5 minutes. Once the tablets were obtained, the sintering process was continued at 60%, 70% and 80% of the melting temperature of the aluminum and then with the sanding of these (samples were also left in green), to carry out their subsequent characterization. …”
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  19. 279

    Actividad antimicrobiana de compuestos polifenólicos provenientes de extractos de cáscaras de nuez contra Salmonella sp aplicados en el proceso de comercialización de melón (Cucumi... by Carranza García, Emilio

    “…Because melon is cultivated at ground level and its morphology, it can be contaminated with Salmonella sp. or any other microorganisms, it is well known once Salmonella reaches the surface, it can live and multiply itself therein. …”
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  20. 280

    Evaluación de un protocolo de entrenamiento canino utilizando una línea celular b16f10 para la detección de melanoma en un modelo murino by Aguirre Alberto, Raúl Abreu

    Published 2020
    “…Two dogs (Cheeto and Coyota) were able to complete the training protocol; once completed, two tests were performed to determine the dogs' ability to identify odor in a mouse with a large tumor mass versus a healthy mouse, Cheeto in the first round did not signal the sick mouse, but showed interest, Coyota also showed this behavior. …”
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