Resultados de búsqueda - (("concerned" or "concern") or "concerns")

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    Metáforas y abstracción del conocimiento en el aprendizaje del cálculo por Santos Acevedo, Gloria Josefina

    Publicado 2014
    “…Our research problem has its root in the concern about making Calculus learners reach a conceptual knowledge and not only a procedural or intuitive one. …”
    Enlace del recurso
    Tesis
  6. 106

    Metáforas y abstracción del conocimiento en el aprendizaje del cálculo por Santos Acevedo, Gloria Josefina

    Publicado 2014
    “…Our research problem has its root in the concern about making Calculus learners reach a conceptual knowledge and not only a procedural or intuitive one. …”
    Enlace del recurso
    Tesis
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    Prevalence of Trypanosoma cruzi infection in dogs and small mammals in Nuevo León, Mexico por Galaviz Silva, Lucio, Mercado Hernández, Roberto, Zárate Ramos, José José, Molina Garza, Zinnia Judith

    Publicado 2017
    “…ABSTRACT Chagas disease, caused by the protozoan Trypanosoma cruzi, is an important public health concern in areas extending from South America northward into the southern United States of America. …”
    Enlace del recurso
    Artículo
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    Fact or Fiction: Methionine Requirement for Pacific White Shrimp por D. Allen, Davis, Mingming, Duan

    Publicado 2017
    “…Givencurrent economic and social concerns, this is not a sustainable approach. There are several publications evaluatingmethionine supplements to Pacific white shrimp feeds. …”
    Enlace del recurso
    Artículo
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    Optimization of Pathogenicity Tests for Selection of Native Isolates of Entomopathogenic Fungi Isolated from Citrusgrowing Areas of México on Adults ofDiaphorina citriKuwayama (Hem... por Gandarilla Pacheco, Fátima Lizeth, Galán Wong, Luis Jesús, López Arroyo, J. Isabel, Rodríguez Guerra, Raúl, Quintero Zapata, Isela

    Publicado 2013
    “…Presently, costs of insecticides and the side effects of their use are major concerns, because they could impair the management strategy against the vector; and thus, ecologically and economically viable alternatives to conventional insecticides are required in the short term. …”
    Enlace del recurso
    Artículo
  18. 118

    Caracterización fisicoquímica de un polímero obtenido a partir de tibicos (Kéfir de agua) y su evaluación como agente encapsulante de Bacillus thuringiensis. por Hernández Torres, Mario Alberto

    Publicado 2018
    “…ABSTRACT The agricultural sector and public health, concerned to resolve the pollution generated due to the irrational use of chemicals for pest control, has implemented strategies for the integrated management of polyphagous insects, within which includes the biological control, defined as the management of selected "natural enemies (predators, parasites, and entomopathogenic) as well as their derivatives capable of reducing the pest population and thus avoid severe damage to the economy. …”
    Enlace del recurso
    Tesis
  19. 119

    Caracterización fisicoquímica de un polímero obtenido a partir de tibicos (Kéfir de agua) y su evaluación como agente encapsulante de Bacillus thuringiensis. por Hernández Torres, Mario Alberto

    Publicado 2018
    “…ABSTRACT The agricultural sector and public health, concerned to resolve the pollution generated due to the irrational use of chemicals for pest control, has implemented strategies for the integrated management of polyphagous insects, within which includes the biological control, defined as the management of selected "natural enemies (predators, parasites, and entomopathogenic) as well as their derivatives capable of reducing the pest population and thus avoid severe damage to the economy. …”
    Enlace del recurso
    Tesis
  20. 120

    Recubrimientos bimodales de WC-co-VC nanoestructurado aplicados por rociado térmico como alternativa del cromo hexavalente para trenes de aterrizaje. por Valladares Hernández, Julio César

    Publicado 2018
    “…However, over the last decade there has been concerns about chromates due to environmental, health and safety considerations related to the handling, storage and disposal of hard chromium (Cr6+). …”
    Enlace del recurso
    Tesis

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