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Improvements in the cooling capacity and the COP of a transcritical CO 2 refrigeration plant operating with a thermoelectric subcooling system
(Elsevier, 2019)
info:eu-repo/semantics/article,
Restrictive environmental regulations are driving the use of CO 2 as working fluid in commercial vapour compression plants due to its ultra-low global warming potential (GWP 100 = 1) and its natural condition. However, at ...
Dissolved solids and suspended sediment dynamics from five small agricultural watersheds in Navarre, Spain: a 10-year study
(Elsevier, 2019)
Artículo / Artikulua,
Dissolved solids (DS) and suspended sediment (SS) loads are considered relevant environmental problems. They are related to a wide range of on-site and off-site impacts, such as soil erosion or salinization of water bodies. ...
Feasibility of using rural waste products to increase the denitrification efficiency in a surface flow constructed wetland
(Elsevier, 2019)
info:eu-repo/semantics/article,
A surface flow constructed wetland (CW) was set in the Lerma gully to decrease nitrate (NO3-) pollution from agricultural runoff water. The water flow rate and NO3
- concentration were monitored at the inlet and the outlet, ...
Análisis regional de frecuencias de las precipitaciones diarias extremas en Navarra. Elaboración de los mapas de cuantiles
(IWA Publishing, Editorial UPV, FFIA, 2019)
info:eu-repo/semantics/article,
La determinación de la ley de frecuencias de precipitaciones resulta imprescindible para el diseño de diferentes infraestructuras hidráulicas así como para el análisis y determinación de zonas inundables. El objetivo de ...
Multifunctional protective PVC-ZnO nanocomposite coatings deposited on aluminum alloys by electrospinning
(MDPI, 2019)
info:eu-repo/semantics/article,
This paper reports the use of the electrospinning technique for the synthesis of nanocomposite micro/nanofibers by combining a polymeric precursor with hydrophobic behavior like polyvinyl chloride (PVC) with nanoparticles ...
Optimal machining strategy selection in ball-end milling of hardened steels for injection molds
(MDPI, 2019)
info:eu-repo/semantics/article,
In the present study, the groups of cutting conditions that minimize surface roughness and its variability are determined, in ball-end milling operations. Design of experiments is used to define experimental tests performed. ...
Use of computational fluid dynamics to compare upper airway pressures and airflow resistance in brachycephalic, mesocephalic, and dolichocephalic dogs
(Elsevier, 2019)
Artículo / Artikulua,
Brachycephalic dog breeds are prone to breathing difficulties because of their upper airway anatomy. Several surgical techniques exist to correct anatomical pathologies and common surgical approaches aim to correct functional ...
Hyperspectral imaging using notions from type-2 fuzzy sets
(Springer, 2019)
info:eu-repo/semantics/article,
Fuzzy set theory has developed a prolific armamentarium of mathematical tools for each of the topics that has fallen within its scope. One of such topics is data comparison, for which a range of operators has been presented ...
Holographic acoustic tweezers
(National Academy of Sciences, 2019)
info:eu-repo/semantics/article,
Acoustic tweezers use sound radiation forces to manipulate matter without contact. They provide unique characteristics compared with the more established optical tweezers, such as higher trapping forces per unit input power ...
Grey water footprint as an indicator for diffuse nitrogen pollution: the case of Navarra, Spain
(Elsevier, 2019)
Artículo / Artikulua,
Nitrogen is an essential element for plant growth, while its application and associated pollution is a worldwide concern. Generally, diffuse source pollution and its impacts on ecosystem health are difficult to monitor and ...
