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Mostrando ítems 31-40 de 88
Caracterización anatómica de la madera de cinco especies comerciales mediante tinciones procedentes del cantón Tena, provincia de Napo.
(Escuela Superior Politécnica de Chimborazo, 2019)
This research proposes to characterize anatomically the wood of five commercial species through stains from Tena city-Napo province; where dendrological samples of each species under study were obtained. These were identified ...
Descripción dendrológica y anatómica de tres especies de importancia forestal, procedentes del Bosque Análogo Don Ramón, en el cantón Cumandá, provincia de Chimborazo.
(Escuela Superior Politécnica de Chimborazo, 2019)
The present investigation proposes: dendrolow and anatomical description Of three species Of forest importance, from the "Don Ramón" Analogue Forest, in Cumandá cantón, Chimborazo province; in order to implement information ...
Effect of Post-silanization Heat Treatments of Silanized Feldspathic Ceramic on Adhesion to Resin Cement
(Quintessence Publishing Co Inc, 2013-01-01)
Purpose: To evaluate the effect of post-silanization heat treatment of a silane agent and rinsing with hot water of silanized CAD/CAM feldspathic ceramic surfaces on the microtensile bond strength between resin cement and ...
Descripción anatómica de la madera de tres especies forestales procedentes del cantón Chunchi provincia de Chimborazo.
(Escuela Superior Politécnica de Chimborazo, 2022-12-02)
This research aimed to anatomically describe the wood of three forest species from Chunchi Town (Chimborazo province) in order to provide technical information on the organoleptic and anatomical characteristics of the wood. ...
Influência das condições de contorno e geometria dos espécimes em resposta à compressão axial
(Universidade Federal do PampaUNIPAMPAMestrado Acadêmico em EngenhariaBrasilCampus Alegrete, 2021)
Influência de três tratamentos de superfície para cerâmicas a base de zircônia na resistência adesiva e no comportamento à fadiga do material
(Universidade Estadual Paulista (Unesp), 2014-06-06)
The aim of this study is to evaluate the effect of different silica deposition methods on the surface of a zirconia ceramic on the adhesion to a resin cement and on the fatigue limit of the materials. The tested hypothesis ...
Diseño, elaboración y evaluación de un recubrimiento geopolimérico para aumentar la durabilidad del concreto utilizado en las vías terrestres, sometido a intemperismo acelerado
(Universidad Michoacana de San Nicolás de Hidalgo, 2011-12)
Preliminary results of the design of a geopolymeric inorganic-organic coating, which aims to use corrosion in reinforced concrete structures are presented. A concrete mix is ??designed, by the method of ACI, a mean resistance ...
Efecto de la perlita expandida en el comportamiento físico mecánico de morteros de cemento
(Universidad Michoacana de San Nicolás de Hidalgo, 2012-02)
The addition of mineral replacements to conventional mortars (cement-arenaagua) arises from the need to reduce consumption of portland cement in the preparation of these, this due to large amount of pollutants that are ...
Análisis comparativo de las propiedades físico - mecánicas de un mortero patrón para revestimiento, sustituyendo neumáticos fuera de uso (NFU) molidos en porcentajes de 10%, 20% y 30% con respecto al peso de la arena fina de la cantera de Cunyac, Cusco 2022
(Universidad Andina del CuscoPE, 2023-03-28)
La presente tesis de investigación estudió las propiedades físico – mecánicas de un
mortero patrón, sustituyendo neumáticos fuera de uso (NFU) en porcentajes de 10%, 20% y
30% con respecto al peso de la arena fina de ...