Results 1 to 10 of about 10,801 (66)

Processing and Testing of Reinforced PA66 Based Composites. [PDF]

open access: yesMaterials (Basel), 2021
The new requirements in different sectors, such as aerospace, automotive and construction, for lightweight materials have led to an increase in demand for composite materials suitable for use in high rate production processes, such as plastic injection ...
Pereira A   +4 more
europepmc   +3 more sources

Nanotechnology Approaches in Chronic Wound Healing. [PDF]

open access: yesAdv Wound Care (New Rochelle), 2021
Significance: The incidence of chronic wounds is increasing due to our aging population and the augment of people afflicted with diabetes. With the extended knowledge on the biological mechanisms underlying these diseases, there is a novel influx of ...
Blanco-Fernandez B   +4 more
europepmc   +3 more sources

Two lower-bounding algorithms for the p-center problem in an area

open access: yesComputational Urban Science, 2022
The p-center location problem in an area is an important yet very difficult problem in location science. The objective is to determine the location of p hubs within a service area so that the distance from any point in the area to its nearest hub is as ...
Yanchao Liu
doaj   +1 more source

Obtención de fertilizantes líquidos a partir de material bioestabilizado [PDF]

open access: yes, 2022
En este trabajo se ha realizado el estudio de extracción convencional y asistida con microondas utilizando diferentes solventes: agua, solventes alcalinos y solventes ácidos.
Fernández Delgado, Marina
core   +1 more source

La configuración de las periferias en las ciudades intermedias españolas durante el siglo XX: Málaga, Murcia y Valladolid [PDF]

open access: yesCiudades, 2019
The comparative reading of urban expansion in Malaga, Murcia and Valladolid during the twentieth century allows identifying common phases in the construction of their peripheries.
Fernando Miguel Carcía Martín
doaj   +1 more source

A comparison study into low leak rate buoyant gas dispersion in a small fuel cell enclosure using plain and louvre vent passive ventilation schemes [PDF]

open access: yes, 2017
Hydrogen, producing electricity in fuel cells, is a versatile energy source, but with risks associated with flammability. Fuel cells use enclosures for protection which need ventilating to remove hydrogen emitted during normal operation or from supply ...
Ghatauray, TS   +5 more
core   +2 more sources

Viejas y nuevas centralidades en las ciudades medias andaluzas: evolución y estrategias urbanas [PDF]

open access: yesCiudades, 2013
Since the last quarter of last century, the traditional elements of centrality located in historic centers of medium-sized Andalusian cities have cohabitated alongside other, very distinct focuses of urban attraction.
Francisco Sergio Campos Sánchez   +1 more
doaj  

Remodelación de los barrios de Pajarillos y Rondilla de Valladolid (España) [PDF]

open access: yesCiudades, 2004
En noviembre de 2003, la Associazione Nazionale Centri Storico -artistici (ANCSA) y el Comune di Gubbio, ambos de Italia, galardonaron al estudio “Regeneration of ‘Pajarillos’ and ‘Rondilla’ neighbourhoods of Valladolid (Spain)” con el distintivo ...
VVAA
doaj  

De urbanización ilegal de fin de semana a barrio precario: las parcelaciones ilegales en Córdoba

open access: yesCiudades, 2021
The article reviews the phenomenon of illegal residential allotments developed in most of Spain since the 1960s. Bibliographic, statistical, cartographic and documentary sources are used, which is complemented with the field work developed in the ...
David López-Casado
doaj   +1 more source

Dry-season variability in near-surface temperature measurements and landsat-based land surface temperature in Kenyatta University, Kenya

open access: yesComputational Urban Science, 2022
Understanding thermal gradients is essential for sustainability of built-up ecosystems, biodiversity conservation, and human health. Urbanized environments in the tropics have received little attention on underlying factors and processes governing ...
N. A. Macharia   +4 more
doaj   +1 more source

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