Resultados de búsqueda - (( levey OR levy ) OR ( leves OR level ))*

  1. 841

    Ocurrencia de fumonisinas totales y FB₁ en forrajes henificados destinados al consumo equino. por Peña Acosta, Luis Carlos

    Publicado 2017
    “…The frequency of FBs levels above the FDA and EFSA permitted level (5 µg/g) was 26.7% in summer, while in autumn none of the samples showed levels above the allowed limit. …”
    Enlace del recurso
    Tesis
  2. 842

    Taxonomía, distribución e importancia de las algas de Nuevo León por Aguirre Cavazos, Diana Elena

    Publicado 2018
    “…Macroalgae in transect were collected and taken to Facultad de Ciencias Biológicas Herbaria for mounting, photographic record and identification. 30 different macroalgae were found, distributed in 17 genera, of which 11 were identified up to species level. Even though the analyzes conducted in this study focused on macroscopic algae~ microscopic species were also identified, increasing the number of taxa for the collection stations from I 7 to 89 in terms of genera and in the case of species from 11 to 41 . which represents an increase of 730.8% in the case ofthe genera and 333.3% in the case of the species with respect to the reports known until 2006. …”
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    Tesis
  3. 843
  4. 844

    Selección de genotipos de aguacate raza mexicana con resistencia a Phytophthora cinnamomi rands por Sánchez González, Enrique Ignacio

    Publicado 2018
    “…The evaluated genotypes did not show an equal or lower level of electrical conductivity than ‘Duke 7’ (moderately resistant genotype) and the isolate Pc2 was found to be the most pathogenic during the means comparison (p < 0.05). …”
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    Tesis
  5. 845

    Inestabilidad cormosómica específica en neoplasia cervical evaluada mediante técnicas de citogenética molecular por García Vielma, Catalina

    Publicado 2017
    “…Another important factor lesion development is chromosomal instability in the cell and leading to the development of aneuploidy, chromosomal rearrangements, etc., which produce changes at the gene level like, turn off tumor suppressor genes, oncogenes ignition which individually or jointly promote the development of the tumor. …”
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    Tesis
  6. 846

    Actividad antimicrobiana de compuestos polifenólicos provenientes de extractos de cáscaras de nuez contra Salmonella sp aplicados en el proceso de comercialización de melón (Cucumi... por 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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    Tesis
  7. 847

    Evaluación del efecto de los fosfolípidos dietarios sobre la respuesta inmune de camarones Litopenaeus stylirostris infectados con Vibrio parahaemolyticus por Cruz Hernández, Sandra Edith de la

    Publicado 2008
    “…From the other parameters, total lipids concentration was the only one to be significantly affected by the phophatidyl-choline supplementation, the value being higher with the 1.5% level. However, survival to the second bacterial challenge showed a clear cut effect, with survival about 80% for both supplemented levels, while mortality was total within 24 hours for the shrimp fed the phospholipid deficient diet.…”
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    Tesis
  8. 848
  9. 849
  10. 850

    Implementación del sistema de producción de bioetanol en un reactor híbrido tipo batch para su uso en un motor de combustión interna. por Lucio López, Alex Nibardo de

    Publicado 2018
    “…From these mixtures were evaluated the levels of average maximum pressure in the chamber, duration of the first phase of combustion and autoignition values. …”
    Enlace del recurso
    Tesis
  11. 851

    Evaluación de la actividad antidiabética In vitro de plantas medicinales de uso tradicional. por Ortiz Martínez, David Mizael

    Publicado 2018
    “…Was evaluated the effect of the extracts on the expression of the PPARȖ gene, only C. submontana increased the expression level of the gene significantly compared to the drug rosiglitazone. …”
    Enlace del recurso
    Tesis
  12. 852

    Evaluación del papel inmunomodulador de la resiniferatoxina durante la respuesta inmune primaria a nivel intestinal de un modelo murino infectado con Trichinella spiralis. por Muñoz Carrillo, José Luis

    Publicado 2017
    “…During the intestinal phase of infection, the levels of Th1 cytokines, such as interleukin (IL)-12, IL-1β, interferon (INF)-γ and TNF-α and Th2 cytokines, such as IL-4, IL-10 and IL-13 were determined. …”
    Enlace del recurso
    Tesis
  13. 853

    Atrazine and 2, 4-D determination in corn samples using microwave assisted extraction and on-line solid-phase extraction coupled to liquid chromatography. por Santos Hernández, Ana Susana, Hinojosa Reyes, Laura, Sáenz Tavera, Isabel del Carmen, Hernández Ramírez, Aracely, Guzmán Mar, Jorge Luis

    Publicado 2018
    “…The LODs were 0.03 and 0.02 mg kg-1 for 2,4-D and atrazine, respectively with RSD ranged from 4.0 to 7.2 % at concentration level of 0.07 and 0.30 mg kg-1. The extraction recoveries of 2,4-D and atrazine in corn samples were from 82.6 to 98.2%. …”
    Enlace del recurso
    Artículo
  14. 854

    Estudio del comportamiento del cuerpo y aletas plegables de un cohete, para un sistema de lanza cohetes múltiple por Pimentel Villasmil, Pablo Emilio

    Publicado 2014
    “…Studies of aerodynamic simulation and vibration analysis of designing a new rocket body and fins were performed folding, to experience it is possible to design and build a device like this, capable of level flight and stable aerodynamic performance, in addition to maintain its ballistic trajectory, ballistics designed as a possible element of a multiple launch rocket type device, using domestic materials and technology, and low cost. …”
    Enlace del recurso
    Tesis
  15. 855

    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.... por Yerena Yamallel, José Israel

    Publicado 2008
    “…The variance analysis (with a level of significance of α= 0.05) showed that highly significant differences exist (Pr > 0.000) between the averages of the components of the aerial biomass of the species, the component bark of Cordia boissieri obtained the smallest percentage of carbon content of 39.62 ± 0.70%, the leaves of Acacia schaffneri the highest 50.14 ± 1.21%. …”
    Enlace del recurso
    Tesis
  16. 856

    Implementación del sistema de producción de bioetanol en un reactor híbrido tipo batch para su uso en un motor de combustión interna. por Lucio López, Alex Nibardo de

    Publicado 2018
    “…From these mixtures were evaluated the levels of average maximum pressure in the chamber, duration of the first phase of combustion and autoignition values. …”
    Enlace del recurso
    Tesis
  17. 857

    Evaluación de la actividad antidiabética In vitro de plantas medicinales de uso tradicional. por Ortiz Martínez, David Mizael

    Publicado 2018
    “…Was evaluated the effect of the extracts on the expression of the PPARȖ gene, only C. submontana increased the expression level of the gene significantly compared to the drug rosiglitazone. …”
    Enlace del recurso
    Tesis
  18. 858

    Evaluación del papel inmunomodulador de la resiniferatoxina durante la respuesta inmune primaria a nivel intestinal de un modelo murino infectado con Trichinella spiralis. por Muñoz Carrillo, José Luis

    Publicado 2017
    “…During the intestinal phase of infection, the levels of Th1 cytokines, such as interleukin (IL)-12, IL-1β, interferon (INF)-γ and TNF-α and Th2 cytokines, such as IL-4, IL-10 and IL-13 were determined. …”
    Enlace del recurso
    Tesis
  19. 859

    Estudio del comportamiento del cuerpo y aletas plegables de un cohete, para un sistema de lanza cohetes múltiple por Pimentel Villasmil, Pablo Emilio

    Publicado 2014
    “…Studies of aerodynamic simulation and vibration analysis of designing a new rocket body and fins were performed folding, to experience it is possible to design and build a device like this, capable of level flight and stable aerodynamic performance, in addition to maintain its ballistic trajectory, ballistics designed as a possible element of a multiple launch rocket type device, using domestic materials and technology, and low cost. …”
    Enlace del recurso
    Tesis
  20. 860

    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.... por Yerena Yamallel, José Israel

    Publicado 2008
    “…The variance analysis (with a level of significance of α= 0.05) showed that highly significant differences exist (Pr > 0.000) between the averages of the components of the aerial biomass of the species, the component bark of Cordia boissieri obtained the smallest percentage of carbon content of 39.62 ± 0.70%, the leaves of Acacia schaffneri the highest 50.14 ± 1.21%. …”
    Enlace del recurso
    Tesis

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