Resultados de búsqueda - ((enso OR dedo) OR (composition OR (compcpppcenso OR (compcppcppcppcendo OR compcppcppcppcendo))))

  1. 381
  2. 382

    Petrology and geochemistry of meta-ultramafic rocks in the Paleozoic Granjeno Schist, northeastern Mexico: Remnants of Pangaea ocean floor por Torres Sánchez, Sonia Alejandra, Augustsson, Carita, Jenchen, Uwe, Barboza Gudiño, José Rafael, Alemán Gallardo, Eduardo Alejandro, Ramírez Fernández, Juan Alonso, Torres Sánchez, Darío, Abratis, Michael

    Publicado 2017
    “…We suggest different tectonic settings for metamorphism of its serpentinite and talc-bearing rocks based on petrographic and geochemical compositions. According to the REE ratios (LaN/YbN = 0.51–20.0 and LaN/SmN = 0.72–9.1) and the enrichment in the highly incompatible elements Cs (0.1 ppm), U (2.8 ppm), and Zr (60 ppm) as well as depletion in Ba (1 – 15 ppm), Sr (1–184ppm),Pb(0.1–14ppm),andCe(0.1–1.9ppm)the rocks have mid-ocean ridge and subduction zones characteristics.TheserpentinitecontainsAl-chromite,ferrian chromiteandmagnetite.TheAl-chromiteischaracterized byCr#of0.48to0.55suggestingaMORBorigin,andCr#of 0.93 to 1.00 for the ferrian chromite indicates a prograde metamorphism.Weproposeatleasttwoserpentinization stagesoflithosphericmantlefortheultramaficrockofthe GranjenoSchist,(1)afirstinanocean-floorenvironment atsub-greenschisttogreenschistfaciesconditionsand(2) later a serpentinization phase related to the progressive replacement of spinel by ferrian chromite and magnetite atgreenschisttolowamphibolitefaciesconditionsduring regional metamorphism. …”
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  3. 383

    Corrosion Behavior of Galvanized Steel Embedded in Concrete Exposed to Soil Type MH Contaminated With Chlorides por Baltazar Zamora, Miguel Ángel, Mendoza Rangel, José Manuel, Croche, René, Gaona Tiburcio, Citlalli, López, Luis, Olguín, Francisco, Almeraya Calderón, Facundo

    Publicado 2019
    “…In such concrete specimens a carbon steel bar AISI 1018 and Galvanized Steel was embedded as reinforcement, the mixed concrete was of ratio water/cement (w/c) = 0.45 (compressive strength, f'c = 350 kg/cm2), according to ACI 211.1, using cements Portland Cement Composite [CPC 30R (Type I) and CPC 30R RS (Type V)]. …”
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  4. 384

    Satisfaction of an employee in a sports entity: design and validation of a measurement scale por Reyes Robles, Marina, Medina Rodríguez, Rosa Elena, Ramírez Siqueiros, María Grethel, López Walle, Jeanette M., Ceballos Gurrola, Oswaldo

    Publicado 2018
    “…Satisfactory values were obtained, resulting in Kaiser-Meyer-Olkin values of .91, and the Bartlett test was statistically significant with a value (χ² = 3296.01, gl = 378; p <. 001), six factors were extracted with eigen values greater than 1 and that together explain 69.08% of the total variance. the indices of the model in the confirmatory factor analysis were satisfactory: χ2 / df = 1.29, NNFI = .99, CFI = .99, and RMSEA = .03., The results of internal consistency using Cronbach's alpha index with values in this case greater than .70, composite reliability (CR) with values between .88 and .94, and the average variance index extracted (AVE), meanwhile, alsoshowed adequate values, in a range between .60 and .83. …”
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  5. 385

    Aluminosilicates as a Double-Edged Sword: Adsorption of Aflatoxin B1 and Sequestration of Essential Trace Minerals in an In Vitro Gastrointestinal Poultry Model por Hernández Martínez, Sara Paola, Delgado Cedeño, Armando, Ramos Zayas, Yareellys, Franco Molina, Moisés Armides, Méndez Zamora, Gerardo, Marroquín Cardona, Alicia Guadalupe, Kawas Garza, Jorge R.

    Publicado 2023
    “…X-ray diffraction analysis showed that C-1 is a montmorillonite, C-2 is a beidellite, C-3 is a beidellite-Ca-montmorillonite, and C-4 is a clinoptilolite. The elemental compositions of the clays showed alumina, silica, iron, calcium, and sodium contents. …”
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  6. 386

    Evaluación de la administración vía aerosol de la vacuna sintética basada en WT1-CPG en un modelo de cáncer pulmonar. por Arriaga Hernández, Daniela

    Publicado 2016
    “…El producto del gen de WT1 es un factor de transcripción tipo dedos de zinc, que se encuentra sobre expresado en diversos tipos de neoplasias (leucemias y tumores sólidos), por ejemplo: melanoma y cáncer de pulmón. …”
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  7. 387

    Evaluación de la administración vía aerosol de la vacuna sintética basada en WT1-CPG en un modelo de cáncer pulmonar. por Arriaga Hernández, Daniela

    Publicado 2016
    “…El producto del gen de WT1 es un factor de transcripción tipo dedos de zinc, que se encuentra sobre expresado en diversos tipos de neoplasias (leucemias y tumores sólidos), por ejemplo: melanoma y cáncer de pulmón. …”
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    Tesis
  8. 388

    Relocation and seismotectonic interpretation of the seismic swarm of August – December of 2012 in the Linares area, northeastern Mexico por Gómez Arredondo, Carmen Maricela, Montalvo Arrieta, Juan Carlos, Iglesias Mendoza, Arturo, Espindola Castro, Victor H.

    Publicado 2016
    “…The fault plane solutions were generated for individual earthquakes and through the use of the composite mechanism technique. The focal mechanism solutions show pure reverse faulting; the SW dipping NNW – SSE trending nodal plane is the inferred fault plane (strike ~150°, dip ~50° and rake ~67°), which reveals that maximum horizontal stress (SHmax > Shmin > Sv) predominates in the area. …”
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  9. 389

    Características clínicas y epidemiológicas de pacientes con mordedura de crótalo en el noreste de México por García Hernández, Martha Patricia, Hernández Guedea, Marco Antonio

    Publicado 2024
    “…La hinchazón progresiva que afecta a toda la extremidad y/o necrosis tisular indica un envenenamiento grave con potencial para una pérdida significativa de tejido y, en el caso de mordeduras de dedos de manos o pies, autoamputación. • Hemotoxicidad: La hemotoxicidad ocurre hasta en el 40% de las mordeduras por serpientes de cascabel, se caracteriza por un tiempo de protrombina (TP) prolongado, hipofibrinogenemia y trombocitopenia. …”
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  10. 390

    Características clínicas y epidemiológicas de pacientes con mordedura de crótalo en el noreste de México por García Hernández, Martha Patricia, Hernández Guedea, Marco Antonio

    Publicado 2024
    “…La hinchazón progresiva que afecta a toda la extremidad y/o necrosis tisular indica un envenenamiento grave con potencial para una pérdida significativa de tejido y, en el caso de mordeduras de dedos de manos o pies, autoamputación. • Hemotoxicidad: La hemotoxicidad ocurre hasta en el 40% de las mordeduras por serpientes de cascabel, se caracteriza por un tiempo de protrombina (TP) prolongado, hipofibrinogenemia y trombocitopenia. …”
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    Tesis
  11. 391
  12. 392
  13. 393
  14. 394

    Caracterización de las sucesiones areno - conglomeráticas del eoceno en la región de las Choapas, Veracruz. por Coronado González, Jesús Margil

    Publicado 2019
    “…With the isotope geochemistry of Sm/Nd, the isotopic ratios, model ages and Nd epsilon were obtained, in order to be correlated with data of possible source areas. Rocks with compositions similar to those identified in this work have been described in the Chiapas Massif and the Guichicovi Complex, in the Maya Block; and in complexes exhumed by the Polochic-Motagua Fault System, in Chortis Block.…”
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  15. 395

    Caracterización de las sucesiones areno - conglomeráticas del eoceno en la región de las Choapas, Veracruz. por Coronado González, Jesús Margil

    Publicado 2019
    “…With the isotope geochemistry of Sm/Nd, the isotopic ratios, model ages and Nd epsilon were obtained, in order to be correlated with data of possible source areas. Rocks with compositions similar to those identified in this work have been described in the Chiapas Massif and the Guichicovi Complex, in the Maya Block; and in complexes exhumed by the Polochic-Motagua Fault System, in Chortis Block.…”
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  16. 396
  17. 397
  18. 398
  19. 399

    Artificial neural network modeling of phenol adsorption onto barley husks activated carbon in an airlift reactor por Loredo Cancino, Margarita

    Publicado 2013
    “…Purpose and method of the study: The production of activated carbon from barley husks (BH) by chemical activation with zinc chloride was optimized by using a 23 factorial design with replicates at the central point, followed by a central composite design with two responses (the yield and iodine number) and three factors (the activation temperature, activation time, and impregnation ratio). …”
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  20. 400

    Artificial neural network modeling of phenol adsorption onto barley husks activated carbon in an airlift reactor por Loredo Cancino, Margarita

    Publicado 2013
    “…Purpose and method of the study: The production of activated carbon from barley husks (BH) by chemical activation with zinc chloride was optimized by using a 23 factorial design with replicates at the central point, followed by a central composite design with two responses (the yield and iodine number) and three factors (the activation temperature, activation time, and impregnation ratio). …”
    Enlace del recurso
    Tesis

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