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Listar por Patrocinador "Ministerio de Medio Ambiente y Medio Rural y Marino"

Mostrando ítems 1-20 de 23

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A general methodology for energy comparison of intermediate configurations in two-stage vapour compression refrigeration systems

Torrella Alcaraz, Enrique; Larumbe Bernad, Juan Antonio; Cabello, R.; Llopis, R.; Sanchez, D. (Elsevier, 2011-07)

The aim of the present paper is to describe a general methodology suitable for analysing any intermediate configuration considered in staged vapour compression refrigeration cycles. This general methodology only depends ...
A methodology to diagnose the effect of climate change and to identify adaptive strategies to reduce its impacts in conjunctive-use systems at basin scale

Pulido Velázquez, David; Garrote, L.; Andreu Álvarez, Joaquín; Martín-Carrasco, F. J.; Iglesias, A. (Elsevier, 2011-07-21)

A methodology to analyze impact, vulnerability and adaptation to climate change in conjunctive-use systems at basin scale is presented. Based on the value obtained for various indices under possible future scenarios (indices ...
Application of gas-cooled Accelerator Driven System (ADS) transmutation devices to sustainable nuclear energy development

Abánades, A.; Garcia Hernandez, Carlos Rafael; García Fajardo, Laura; Escrivá, A.; Pérez-Navarro Gómez, Ángel; Rosales, J. (Elsevier, 2011-06)

The conceptual design of a pebble bed gas-cooled transmutation device is shown with the aim to evaluate its potential for its deployment in the context of the sustainable nuclear energy development, which considers high ...
beta-Lactam Antibiotics Modify Root Architecture and Indole Glucosinolate Metabolism in Arabidopsis thaliana

Gudiño, M.; Blanco-Touriñán, Noel; Arbona, V.; Gómez-Cadenas, Aurelio; Blazquez Rodriguez, Miguel Angel; Navarro-García, F. (Oxford University Press, 2018-10)

[EN] The presence of antibiotics in soils could be due to natural production by soil microorganisms or to the effect of anthropogenic activities. However, the impact of these compounds on plant physiology has not been ...
Development and validation of a finite element model for water - CO2 coaxial gas-coolers

Sanchez, D.; Cabello, R.; Llopis, R.; Torrella Alcaraz, Enrique (Elsevier, 2012-05)

The gas-cooler heat exchanger is a characteristic device of the refrigeration plants that use CO2 as the working fluid in transcritical conditions. The proper gas-cooler sizing, allows getting the maximum effectiveness in ...
Effects of slow freezing procedure on late blastocyst gene expression and survival rate in rabbit

Saenz de Juano Ribes, María de los Desamparados; Marco Jiménez, Francisco; Sánchez Peñaranda, David; Joly, Thierry; Vicente Antón, José Salvador (Society for the Study of Reproduction, 2012)

Studies of embryo cryopreservation efficiency have focused mainly on technical and embryo factors. To determine how a slow freezing process affects embryo and fetal development, we studied in vivo development ability after ...
Efficacy of hot water treatment to reduce the incidence of Fusarium circinatum on Pinus radiata seeds

Agustí Brisach, Carlos; Pérez Sierra, Ana María; Armengol Fortí, Josep; García Jiménez, José; Berbegal Martínez, Mónica (Oxford University Press (OUP): Policy B - Oxford Open Option A, 2012-12)

Hot water treatments (HWTs) were evaluated for their ability to reduce the incidence of Fusarium circinatum on Pinus radiata seeds. The effect of HWTs on conidial germination and mycelial growth of F. circinatum isolates ...
Energetic evaluation of an internal heat exchanger in a CO2 transcritical refrigeration plant using experimental data

Torrella Alcaraz, Enrique; Sanchez, D.; Llopis, R.; Cabello, R. (ELSEVIER SCI LTD, 2011)

[EN] The performance of an Internal Heat Exchanger (IHX) operating in a CO 2 transcritical refrigeration plant is analysed, from an energetic point of view, in this work. The evaluation is based on experimental data by ...
Estimating the economic value of a river water quality with a double approach: An application to the principles of the Water Frame Directive

del Saz Salazar, Salvador; Hernández Sancho, Francesc; Sala Garrido, Ramón (Universitat Politècnica de València, 2011-10-14)

[EN] The main aim of the European Water Frame Directive is to achieve the good ecological status in all European waters by 2015 with a combined approach of different measures. In this study, two stated preference methods ...
Evaluation of Pinus radiata seed treatments to control Fusarium circinatum: effects on seed emergence and disease incidence

Berbegal Martínez, Mónica; Landeras, E.; Sánchez, D.; Abad Campos, Paloma; Pérez Sierra, Ana María; Armengol Fortí, Josep (Wiley, 2015-12)

In this study, the effects of hot water (HWT), hydrogen peroxide and fungicides on the incidence of Fusarium circinatum on artificially inoculated Pinus radiata seeds were evaluated. Fifteen commercial fungicide formulations ...
Experimental analysis of energy performance of modified single-stage CO2 transcritical vapour compression cycles based on vapour injection in the suction line

Cabello, Ramón; Sánchez, Daniel; Patiño, Jorge; Llopis, Rodrigo; Torrella Alcaraz, Enrique (Elsevier, 2012-12-05)

This work presents the experimental evaluation of the energy performance of a modified single-stage CO2 transcritical refrigeration plant with an internal heat exchanger (IHX) based on vapour injection in suction line. ...
Explanatory model of the profitability of marine fish farming companies. Empirical application to the breeding of seabream (Sparus aurata) and european seabass (Dicentrarchus labrax) in Spain

Llorente, Ignacio; Luna, Ladislao (Universitat Politècnica de València, 2012-11-26)

[EN] The aim of this paper is to analyze how the biological, technical, environmental and economic factors affect the profitability of fish farming companies. The empirical test is applied to Spanish companies of seabass ...
Exploring the applicability of solar driven photocatalytic processes to control inestation by zebra mussel

Bernabeu García, Antonio; Vicente Candela, Rafael; Peribañez Lopez, Miguel Angel; Arques Sanz, Antonio; Amat Payá, Ana María (Elsevier, 2011-07)

Dreissena polymorpha (zebra mussel) is an invasive freshwater bivalve mollusc that causes important technical and environmental problems. Titanium dioxide solar photocatalysis was checked for disinfestation of veligers of ...
Habitat suitability modelling at mesohabitat scale and effects of dam operation on the endangered Júcar nase, Parachondrostoma arrigonis (River Cabriel, Spain)

Soares Costa, Rui Manuel; Martinez-Capel, Francisco; Muñoz Mas, Rafael; Alcaraz-Hernández, Juan Diego; Garófano-Gómez, Virginia (Wiley-Blackwell, 2012)

Habitat degradation has reduced the complexity of the Mediterranean streams in Spain and contributed to decreasing the historical range of the endangered Júcar nase, Parachondrostoma arrigonis. This species is endemic to ...
HCFC-22 replacement with drop-in and retrofit HFC refrigerants in a two-stage refrigeration plant for low temperature

Llopis, R.; Torrella Alcaraz, Enrique; Cabello, R.; Sanchez, D. (ELSEVIER SCI LTD, 2012)

[EN] The world community has committed to eliminate the HCFC-22 refrigerant to a series of deadlines according to the agreements taken during the 19th Montreal Protocol meeting in September 2007. This phase-out, which is ...
Influencia de la Vegetación en el ciclo hidrológico, factores escorrentía e infiltración

García Prats, Alberto; Torrent Bravo, José Andrés; López Sardá, Mª Leticia; Campo García, Antonio Dámaso del (Sociedad Española de Ciencias Forestales, 2011)

[ES] La vegetación influye en los elementos del ciclo hidrológico de manera distinta. Se sabe que el bosque reduce los caudales originados por los aguaceros, causa de avenidas e inundaciones. El objeto de las experiencias ...
Land prices with urban sprawl: A model for Spain

Decimavilla, Esther; San Juan, Carlos; Sperlich, Stefan (Universitat Politècnica de València, 2011-10-14)

[EN] This paper examines agricultural land prices and the variables that affect them as a way of identifying and explaining the recent price cycle in Spain. The key variables in our panel data model are location and ...
Light Detection and Ranging for Implementing Water-Oriented Forest Management in a Semiarid Sub-Catchment (Valencia, Spain)

Manrique Alba, Ángela; Campo García, Antonio Dámaso del; GONZÁLEZ-SANCHIS, MARÍA DEL CARMEN (Wiley, 2015-11)

[EN] Diminishing rainfall interception in semiarid forests may offset reductions of available water either for ecosystem or human needs under the climate change predictions. Forest managers should be aware of this issue ...
Performance evaluation of R404A and R507A refrigerant mixtures in an experimental double-stage vapour compression plant

Llopis, R.; Torrella Alcaraz, Enrique; Cabello, R.; Sanchez, D. (Elsevier, 2010)

[EN] As a result of the ban of the CFC fluids in 2000 and the future limitation of HCFC fluids, which manufacture limit is the year 2010, refrigerant producers have been working to develop different mixtures, mainly based ...
Potential use of sewage sludge ash (SSA) as a cement replacement in precast concrete blocks

Pérez-Carrión, M.; Baeza-Brotons, F.; Paya Bernabeu, Jorge Juan; Saval, J.M.; Zornoza Gómez, Emilio Manuel; Borrachero Rosado, María Victoria; Garcés, P. (Consejo Superior de Investigaciones Científicas (CSIC), 2014-03)

The present study explored the technological feasibility of re-using sewage sludge ash (SSA) as a Portland cement replacement in commercially manufactured pre cast concrete blocks. The blocks analysed were made to the ...