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Diseño y Construcción de un Sintonizador Electrónico de Impedancias y su Aplicación en la Extracción de Parámetros de Ruido de Transistores de Microondas.
(Cruz Angel Figueroa Torres, 2016-12-13)
El presente trabajo de investigación consiste en el diseño y construcción de un Sintonizador de Impedancias de tipo electrónico. Dicho Sintonizador tiene la ventaja de ser más preciso y rápido que los sintonizadores ...
PIN6 auxin transporter at endoplasmic reticulum and plasma membrane mediates auxin homeostasis and organogenesis in Arabidopsis.
(2016)
Plant development mediated by the phytohormone auxin depends on tightly controlled cellular auxin levels at its target tissue that are largely established by intercellular and intracellular auxin transport mediated by PIN ...
PIN6 auxin transporter at endoplasmic reticulum and plasma membrane mediates auxin homeostasis and organogenesis in Arabidopsis.
(2016)
Plant development mediated by the phytohormone auxin depends on tightly controlled cellular auxin levels at its target tissue that are largely established by intercellular and intracellular auxin transport mediated by PIN ...
Guided skyrmion motion along pinning array interfaces
(2021-06-15)
We examine ac driven skyrmions interacting with the interface between two different obstacle array structures. We consider drive amplitudes at which skyrmions in a bulk obstacle lattice undergo only localized motion and ...
La facturación electrónica y su efecto en el sistema tributario ecuatoriano
(Universidad de Guayaquil Facultad de Ciencias Económicas, 2015-05-23)
En la presente investigación cuya hipótesis consiste en verificar si la facturación electrónica permitirá reducir costos a los contribuyentes y mejorar el control por parte de la administración tributaria, con el fin de ...
Control interno del inventario y su incidencia en la liquidez de la compañía EXPOPESC S.A.
(Guayaquil: ULVR, 2021., 2021)
Comparative study of the hygienic behavior of Carniolan and Africanized honey bees directed towards grouped versus isolated dead brood cells
(FUNPEC-EDITORA, 2009)
In Apis mellifera, hygienic behavior involves recognition and removal of sick, damaged or dead brood from capped cells. We investigated whether bees react in the same way to grouped versus isolated damaged capped brood ...