Results 31 to 40 of about 169,818 (208)
ARQ, 2013 A través de una serie de mediciones realizadas en el contexto de la investigación aplicada, este artículo presenta el ventajoso desempeno que presenta el sistema de fachadas ventiladas para la construcción en madera en la zona central de Chile.
Claudio Vásquez, Alejandro Prieto
doaj +1 more source
Journal of Nanomaterials, Volume 2019, Issue 1, 2019., 2019 The dental plaque is an oral microbiome hardly associated to be the etiological agent of dental caries and periodontal disease which are still considered serious health public problems. Silver nanoparticles (AgNPs) have demonstrated to have good antimicrobial properties affecting a wide variety of microorganisms, including oral bacteria; however, there
León Francisco Espinosa-Cristóbal +8 more
wiley +1 more source
Preparation of Silver‐Doped Alumina Spherical Beads with Antimicrobial Properties
Journal of Nanomaterials, Volume 2018, Issue 1, 2018., 2018 The synthesis of composites with antibacterial properties is of great interest for the development of new biomedical applications. The antimicrobial properties of silver have been verified against microorganisms such as bacteria, viruses, and fungi; interest in silver has been renewed, so several technologies are currently in development, especially in
José Hafid Roque-Ruiz +5 more
wiley +1 more source
Synthesis of α‐Alumina Nano‐Onions by Thermal Decomposition of Aluminum Formate
Journal of Nanomaterials, Volume 2018, Issue 1, 2018., 2018 A simplified route to prepare α‐Al2O3 nano‐onions and alumina powders with an excellent surface area through the thermal decomposition of aluminum formate (Al(O2CH)3) precursor is proposed. The calcined powders were characterized by infrared and 13C MAS NMR spectroscopy.
Nadia Vargas-Martínez +4 more
wiley +1 more source
Comparison of theoretical heat transfer model with results from experimental monitoring installed in a refurbishment with ventilated facade [PDF]
, 2020 One of the main points to consider when a building is renovated is the improvement of its energy efficiency, minimizing the heat loss through the enclosures and its heating consumption.
García, Belén Zurro +3 more
core +1 more source
Journal of Nanomaterials, Volume 2018, Issue 1, 2018., 2018 White spot lesions (WSLs) are very frequent alterations during orthodontic treatments causing demineralization of the dental enamel. Various dental treatments have been developed to prevent WSLs; the prevalence and incidence of these lesions remain significantly high.
León Francisco Espinosa-Cristóbal +10 more
wiley +1 more source
Journal of Nanomaterials, Volume 2017, Issue 1, 2017., 2017 The adhesion ability and adaptability of bacteria, coupled with constant use of the same bactericides, have made the increase in the diversity of treatments against infections necessary. Nanotechnology has played an important role in the search for new ways to prevent and treat infections, including the use of metallic nanoparticles with antibacterial ...
Erick Pazos-Ortiz +8 more
wiley +1 more source
ARQ, 2015 En este edificio para el Ministerio del Interior, la normativa definía que la fachada debía seguir los lineamientos estéticos y materiales del Barrio Cívico de Santiago. Tomando esa restricción como ventaja, los gruesos muros exteriores se transforman en
Teodoro Fernández +1 more
doaj +1 more source
Journal of Chemistry, Volume 2016, Issue 1, 2016., 2016 A green approach to produce the indolyl derivatives from four natural quinones (perezone, isoperezone, menadione, and plumbagin) was performed; in this regard, a comparative study was accomplished among the typical mantle heating and three nonconventional activating modes of reaction (microwave, near‐infrared, and high speed ball milling or ...
René Gerardo Escobedo-González +9 more
wiley +1 more source
Enfoques del análisis de envolvente al procesamiento de vibraciones para el diagnóstico de maquinarias [PDF]
Ingeniería Mecánica, 2010 El análisis de la envolvente de las vibraciones para detectar fallos complejos de maquinarias rotatorias, tales como fallos en cojinetes de rodamientos y engranajes, se ha venido imponiendo por su elevada efectividad y bajo costo computacional.Esta ...
Fidel Ernesto Hernández-Montero +1 more
doaj