Results 131 to 140 of about 202,096 (310)

EVALUATION OF THE TECHNOLOGICAL CHARACTERISTICS OF CLAY WHEN ADDING BUILDING MATERIALS TO MANUFACTURE STRUCTURAL PRODUCTS WITHOUT IMPLEMENTING A SINTERING PROCESS

open access: yesCiencia e Ingeniería Neogranadina, 2016
El trabajo hace un estudio sobre el efecto que ejerce la adición de materiales como arena, cemen- to y cal a una arcilla roja, con el objetivo de mejorar las características tecnológicas y eliminando el proceso de cocción. Se compararon los resultados de
Leonardo Cely Illera   +2 more
doaj  

Efecto de la adicion de fluor barniz a cementos temporales en la microfiltracion marginal de restauraciones provisionales: Estudio In Vitro. [PDF]

open access: yes, 2006
73 p.Introducción: La microfiltración marginal se considera una de las causas más importantes de falla durante la etapa de temporización, la que se define como el paso de bacterias, fluidos, moléculas o iones entre el margen de la restauración y el ...
Bravo Cavicchioli, Daniel (Prof. Guía)   +1 more
core  

Analisi della vulnerabilità sismica del palazzo comunale di Villafranca in Lunigiana [PDF]

open access: yes, 2011
Il Palazzo Comunale di Villafranca in Lunigiana (MS), con struttura in muratura portante, è stato costruito nel 1951; successivamente, nel 1993, è stato oggetto di un ampliamento costituito da una struttura a telaio in cemento armato separata dall ...
MASTRODONATO, FRANCESCO
core  

Periodontal considerations during orthodontic intrusion and extrusion in healthy and reduced periodontium

open access: yesPeriodontology 2000, EarlyView.
Abstract In patients with advanced periodontal disease, pathological tooth migration may occur, which may require subsequent orthodontic treatment for both aesthetic and functional purposes. When planning orthodontic treatment mechanics, intrusive or extrusive forces are frequently indicated.
Gregory S. Antonarakis   +3 more
wiley   +1 more source

Fortalezas y debilidades de los inventarios de cementos para su empleo en análisis de ciclo de vida (ACV)

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2004
Life-Cycle Assessment (LCA) has become a common and accepted tool for quantifying the environmental impact of products. It is frequently used in some industrial sectors but this is not the case for construction products like cement.
Aguado, A., Josa, A., Cardim, A.
doaj  

Resistencia a la abrasión superficial de un suelo no cohesivo estabilizado con cemento. [PDF]

open access: yes, 2010
Proyecto de Graduación. (Licenciatura en Ingeniería en Construcción). Instituto Tecnológico de Costa Rica. Escuela de Ingeniería en Construcción, 2010.En este trabajo se propone una metodología de trabajo con el fin de evaluar en un suelo-cemento, su ...
Fonseca-Chacón, José Manuel
core  

Reviewing the benefits and clinical outcomes of oral fibroblasts over mesenchymal stem cells for repairing periodontal defects during or after orthodontic tooth movement

open access: yesPeriodontology 2000, EarlyView.
Abstract Orthodontic therapy applies forces to teeth, causing an inflammatory reaction in the periodontal ligament. This is repaired by remodeling of the periodontium, allowing tooth displacement. Although orthodontic therapy is mostly initiated during childhood and adolescence, the number of adults seeking this treatment is increasing as our society's
Ludovica Parisi   +4 more
wiley   +1 more source

Effect of the use nickeliferous laterite and pumice as additives in the performance and durability of the Portland cement

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2016
En este trabajo se evalúa el comportamiento puzolánico de la laterita niquelífera de Cerromatoso (Córdoba) y la pumita de Cemex (Boyacá) en la preparación de morteros según normas NTC para agregados finos. Los morteros se prepararon con adiciones de 2,5%,
María Carolina Rueda-Gualdrón   +2 more
doaj  

Water-to-cement ratio influence on low-carbon cements performances [PDF]

open access: yes, 2019
Portland Cement (PC) is the most important active ingredient in most of the construction concrete. However, the PC production is associated with a high carbon dioxide release (around 1 ton of CO2 per ton of PC).
Cuesta-Garcia, Ana Maria   +5 more
core  

Orthodontic management of uneven gingival margins in patients with healthy or reduced periodontium to improve smile aesthetics

open access: yesPeriodontology 2000, EarlyView.
Abstract Uneven gingival margins may cause visible asymmetries during smiling and may reflect alterations in the tooth shape and morphology, particularly in cases requiring restorative procedures. Despite being perceived as a minor health condition, presence of uneven gingival margins usually impacts the smile aesthetics and could affect the individual'
Conchita Martin   +3 more
wiley   +1 more source

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