Matadero industrial

Análisis y descripción del sector de los mataderos y de su problemática : exceso de capacidad instalada, ubicación inadecuada, antigüedad de muchas instalaciones, adecuación del Reglamento Técnico-Sanitario de mataderos de febrero de 1981, etc.Hiltegi-sektorea eta bere arazoen analisia eta deskribapena : produkzio-ahalmen sobera, kokaleku desegokia, intalazio batzuen antzinatasuna, 1981eko otsailean hiltegien inguruko Osasun Araudi Teknikoaren egokitzapena eta abar

A Highly Available Cluster of Web Servers with Increased Storage Capacity

Ponencias de las Decimoséptimas Jornadas de Paralelismo de la Universidad de Castilla-La Mancha celebradas el 18,19 y 20 de septiembre de 2006 en AlbaceteWeb servers scalability has been traditionally solved by improving software elements or increasing hardware resources of the server machine. Another approach has been the usage of distributed architectures. In such architectures, usually, file al- location strategy has been either full replication or full distribution. In previous works we have showed that partial replication offers a good balance between storage capacity and reliability. It offers much higher storage capacity while reliability may be kept at an equivalent level of that from fully replicated solutions. In this paper we present the architectural details of Web cluster solutions adapted to partial replication. We also show that partial replication does not imply a penalty in performance over classical fully replicated architectures. For evaluation purposes we have used a simulation model under the OMNeT++ framework and we use mean service time as a performance comparison metric.Publicad

Social interaction and public transportation: Erving Goffman in the combi.

The social interaction, the exchange of expressiveness, of symbols, of glances shared meanings of gestures on understood, words and acts full of mutual correspondence, a lways occurs in a particular framework. In this sense, the space supports and shapes the social interaction. Thus, rather than one individual understanding of social interaction occurring in a given space, the exchange of expressivity, is conditioned and s tructured by space itself. While the sense of space is understood, is created and recreated by the daily practices of those who inhabit it. In this paper we address the social interaction occurring in public transport combi Morelia with its peculiarities a nd the way they structure and interaction with it, through it, the users and the combi

Documentación y modelización de una hipótesis de reconstrucción del primer molino hidráulico romano de la península ibérica

[EN] The accurate graphic survey of an archaeological site is fundamental for its analysis and research. Furthermore, if this site is to be covered by a building and will not be accessible or visible, its documentation is essential, not only to continue with the research, but also to disseminate and enhance the discoveries. An example of this is the "Hoya de los Molinos" archaeological site in Caravaca de la Cruz (Region of Murcia, Spain). This is where the first mark of the wheel of a Roman vertical watermill in the Iberian Peninsula has been found. This fact is crucial because remains of Roman vertical-wheeled watermills have been found across the Mediterranean but not in the Iberian Peninsula. Moreover, the fact that this watermill still has all its structural elements makes this archaeological site in Caravaca de la Cruz very interesting. Due to these facts, it is essential to disseminate this discovery, so that it can be recognized and considered as archaeological and cultural heritage. To that end, the researchers have carried out a three-dimensional (3D) reconstruction of the most characteristic elements, such as the vertical wheel, the gears that allowed grinding the grain, and the building protecting them. A virtual recreation was carried out, based on the historical and building research, which is displayed in an explanatory video. Furthermore, two reproductions were created: one made to scale of the archaeological site with a 3D printer and another one of the hypothetical structure of the Roman watermill. To achieve this result, historians, archaeologists and engineers have collaborated, thus enabling not only its adequate dissemination, but also its accurate documentation, in an inclusive manner. Thanks to all the work that this paper describes, the Roman watermill found in Caravaca de la Cruz can be known, studied and assessed.[ES] La documentación gráfica y precisa de un yacimiento arqueológico es fundamental para su posterior estudio e investigación. Cuando el yacimiento quede en el subsuelo de un edificio y no sea accessible ni visitable, dicha documentación es imprescindible, no solo para la continuación de la investigación, sino también para poner en valor los hallazgos encontrados. Un ejemplo de ello es el yacimiento arqueológico de “Hoya de los Molinos” en Caravaca de la Cruz (Región de Murcia, España). En la Península Ibérica se ha encontrado la primera impronta de la rueda de un molino vertical hidráulico de época romana. Este hecho es fundamental por dos razones: la primera es que los molinos hidráulicos fueron utilizados por los romanos, no por los árabes como se creyó durante mucho tiempo (hecho que se ha rebatido gracias a los hallazgos arqueológicos); la segunda es que se encontraron restos de molinos hidráulicos en todo el Mediterrráneo, pero no en la Península ibérica. Además, en el yacimiento se hallaron todos los elementos estructurales del molino hidráulico vertical, lo que hace tan interesante este hallazgo. Por los condicionantes descritos es fundamental divulgar el hallazgo para que sea valorado y conocido. Para ello se realizó una reconstrucción tridimensional (3D) de los elementos más característicos, como son la rueda vertical, los engranajes que permitían la molienda de grano y el edificio que los protegía. A tal efecto, se desarrolló una hipotética recreación virtual y se animó en un video explicativo. También se hicieron dos impresiones 3D a escalas diferentes: una de toda la zona estudiada y otra en detalle del molino y sus engranajes. Para realizar todo lo aquí descrito se trabajó con un equipo multidisciplinar que permitió el estudio y reconstrucción adecuados. Historiadores, arqueólogas e ingenieros colaboraron para obtener este resultado haciendo posible, de una manera inclusiva, no solo su correcta divulgación, sino una precisa documentación. Gracias a todo el trabajo descrito en este artículo, el molino hidráulico hallado en Caravaca de la Cruz podrá ser conocido, investigado y valorado.We would like to thank Professor Dr. Robert Spain and the archaeologists in charge of the archaeological site,, María Belén Sánchez González and Juana María Marín Muñoz, for everything. The authors are grateful to Prof Spain, Sánchez and Marín for providing full details of the evidence prior to publication.García-León, J.; González-García, JÁ.; Collado-Espejo, PE. (2021). Documentation and modelling of a hypothetical reconstruction of the first Roman watermill in Hispania. Virtual Archaeology Review. 12(25):114-123. https://doi.org/10.4995/var.2021.15316OJS1141231225Banfi, F. (2020). HBIM, 3D drawing and virtual reality for archaeological sites and ancient ruins. Virtual Archaeology Review, 11(23), 16-33. https://doi.org/10.4995/var.2020.12416Brun, J. P., & Borreani, M. (1998). Deux moulins hydrauliques du Haut-Empire romain en Narbonnaisevillae des Mesclans à La Crau et de Saint-Pierre/ Les Laurons aux Ares. Archéologie de la France antique, 55, 279-326.Champion, E., & Rahaman, H. (2020). Survey of 3D digital heritage repositories and platforms. Virtual Archaeology Review, 11(23), 1-15. https://doi.org/10.4995/var.2020.13226Cunliffe, B., & Galliou, P. (2002). The Le Yaudet Project, Twelfth Interim Report on the excavations 2002. Institute of Archaeology, University of Oxford and Centre de Recherche Bretonne et Celtique, University of Brest (France).De Felice, G. (2016). Cathedrals in the Desert: A Review of Edoardo Tresoldi's Installation at Siponto, Italy. Public Archaeology, 15, 59-61. https://doi.org/10.1080/14655187.2016.1209634Fassi, F., Achile, C., & Fregonese, L. (2011) Surveying and modelling the main spire of Milan Cathedral using multiple data sources. The Photogrammetry Record, 26(136), 462-487. https://doi.org/10.1111/j.1477-9730.2011.00658.xGarcía-León, J., Sánchez-Allegue, P., Peña-Velasco, C., Cipriani, L., & Fantini, F. (2018). Interactive dissemination of the 3d model of a Baroque altarpiece: a pipeline from digital survey to game engines. SCIRES-it, 8(2), 59-76. http://dx.doi.org/10.2423/i22394303v8n2p59García-Molina, D., González-Merino, R., Rodero-Pérez, J., & Carrasco-Hurtado, B. (2021). 3D documentation for the conservation of historical heritage: the Castle of Priego de Córdoba (Spain). Virtual Archaeology Review, 12(24), 115-130. https://doi.org/10.4995/var.2021.13671Jacono, L. (1938). La routa idraulica di Venafro. L'ingegnere 12-15, 850-853.Leveau, P. (2007). Les moulins de Barbegal 1986-2006. In J. Brun, & J. Fiches (Eds.), Énergie hydraulique et machines élévatrices d'eau dans l'Antiquité (pp. 185-199). Publications du Centre Jean Bérard. https://doi.org/10.4000/books.pcjb.434Naujokat, A., Glitsch, T., Martin, F., & Schlimme, H. (2020). Baureka.online- Reseach repository, catalogue and archive for architectural history and building Archaeology. SCIRES-it, 10(1), 43-52. https://doi.org/10.2423/i22394303v10n1p43Oleson, J. P. (1984). A Roman water-mill on the Crocodilion river near Caesarea. Zeitschrift des Deutschen Palästina-Vereins, 100, 137-152.Palomo Palomo, J. & Fernández Uriel, P. (2007). Los molinos hidráulicos en la Antigüedad. Espacio, Tiempo y Forma. Serie II. Historia Antigua, 19-20, 499-524. Madrid: UNED. https://doi.org/10.5944/etfii.19.2006.4465Peña-Velasco, C., García-León, J., & Sánchez Allegue, P. (2017). Documentación, conservación y difusión de un retablo a través de la geomática: el retablo barroco de la iglesia de San Miguel en Murcia. e-rph: Revista electrónica de Patrimonio histórico, 21, 67-90. http://www.revistadepatrimonio.es/revistas/numero21/difusion/estudios/articulo.phpRemondino, F. (2011). Heritage Recording and 3D Modeling with Photogrammetry and 3D Scanning. Remote Sensing, 3, 1104-1138. https//doi.org/10.3390/rs3061104Rodríguez-Miranda, A., Valle Melón, J. M., Korro Bañuelos, J., & Elorriaga Aguirre, G. (2021). Interactive Virtual representation of the disappeared convent of El Carmen (Logroño) generated from a paper craft model. Virtual Archeology Review, 12(24),77-89. https://doi.org/10.4995/var.2021.14038Rojas-Sola, J. I., & López-García, R. (2007). Engineering graphics and watermills: ancient technology in Spain. Renewable Energy, 32(12), 2019-2033. https//doi.org/10.1016/j.renene.2006.10.013Romeuf, A. (1978). Un moulin à eau gallo-romain aux Martres des Veyre (Puy-de-Dôme»). Revue d'Auvergne, 92(2), 23-41.Sánchez González, M. B., Marín Muñoz, J. M., Sánchez González, M. J., García López, A. I., & Brotóns Yagüe, F. (2020). El molino hidráulico romano y otros hallazgos arqueológicos en Hoya de los Molinos de Caravaca de la Cruz (Murcia). Avance preliminar. XXVI Jornadas de Patrimonio Cultural de la Región de Murcia. Murcia. Tres Fronteras Ediciones, 33-44. http://hdl.handle.net/10317/8809Santoni, A., Martín-Talaverano, R., Quattrini, R., & Murillo-Fragero, J. (2021). HBIM approach to implement the historical and constructive knowledge. The case of the Real Colegiata of San Isidoro (León, Spain). Virtual Archaeology Review, 12(24), 49-65. doi:https://doi.org/10.4995/var.2021.13661Small, A., & Buck, R. (1994). The excavations of San Giovanni di Ruoti I. The villas and their environment. Toronto: R.O.M. https://doi.org/10.3138/9781442681217-010Spain, R. (2008). The power in performance of Roman water-mills. Hydro-mechanical analysis of vertical-wheeled water-mills. BAR International Series 1786. Oxford: John and Erica Hedges. https://doi.org/10.30861/9781407302171Wikander, Ö. (1979). Water Mills in Ancient Rome. Opuscula Romana 12, 13-36.Wikander, Ö. (1984). Exploitation of water-power or technological stagnation? A reappraisal of the productive forces in the Roman Empire. Lund, Studier utgivna av Kungl. Humanistiska Vetenskapssamfundet i Lund.Wikander, Ö. (1985). Archeological evidence for early water-mills. An interim report. History of Technology, 10, 151-179.Wilson, A.(2000).The water-mills on the Janiculum. Memoirs of the American Academy at Rome 45, 219-246. https://doi.org/10.2307/4238771Wilson, A. (2002). Machines, power and the ancient economy. Journal of Roman Studies, 92,1-32. https://doi.org/10.2307/3184857Yastikli, N. (2007). Documentation of cultural heritage using digital photogrammetry and laser scanning. Journal Cultural Heritage, 8(4), 432-427. https://doi.org/10.1016/j.culher.2007.06.00

A new index to measure positive dependence in trivariate distributions

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)We introduce a new index to detect dependence in trivariate distributions. The index is based on the maximization of the coefficients of directional dependence over the set of directions. We show how to calculate the index using the three pairwise Spearman's rho coefficients and the three common 3-dimensional versions of Spearman's rho. We obtain the asymptotic distributions of the empirical processes related to the estimators of the coefficients of directional dependence and also we derive the asymptotic distribution of our index. We display examples where the index identifies dependence undetected by the aforementioned 3-dimensional versions of Spearman's rho. The value of the new index and the direction in which the maximal dependence occurs are easily computed and we illustrate with a simulation study and a real data set. (C) 2012 Elsevier Inc. All'rights reserved.We introduce a new index to detect dependence in trivariate distributions. The index is based on the maximization of the coefficients of directional dependence over the set of directions. We show how to calculate the index using the three pairwise Spearma115481495FAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULOCNPQ - CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICOFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)FAPESP [10/51940-5]CNPq [485999/2007-2, 476501/2009-1]10/51940-5485999/2007-2; 476501/2009-

Rainwater treatment: an approach for drinking water provision to indigenous people in Ecuadorian Amazon

Funding for open access charge: Universidad de Granada/CBUA. No funding was received for conducting this study.This study is about the use of naturally occurring filtering materials for rainwater treatment for drinking water proposal. Crushed gravel, ceramic spheres from natural clays, silica sand and natural zeolite were used as filtering materials. The mineralogical composition of filtering materials was determined, being the illite and mordenite the major components of ceramic spheres and natural zeolite, respectively. Naturally occurring materials were simultaneous evaluated on two configuration of pilot plant systems (biofilters) for rainwater treatment. Three columns were arranged in series with unstratified flooded beds. The first stage was packed using crushed gravel. The second stage was packed using ceramic spheres. The third stage was packed with silica sand for the first plant and a natural zeolite was used for the second pilot plant system. Finally, a last stage of ultraviolet disinfection was incorporated. The trial period was 90 days, and it was evaluated the removal of Fe+ 2 and Mn+ 2, total coliforms, faecal coliforms and Escherichia col (E. coli). The rainwater treatment system using natural zeolite provided better results than the one using silica sand at third stage. The concentration of Fe+ 2 and Mn+ 2 was below the maximum permissible limits within 45 days. The efficiency of the treatment systems was optimal within 45 days, after the efficiency decreased progressively. Then, it is an attractive proposal for rural areas in developing countries for singlefamily water treatment systems.Universidad de Granada/CBU

Bio-Degradable Polyurethane Foams Produced by Liquefied Polyol from Wheat Straw Biomass

In the present work, an abundant and unused residue (wheat straw) has been employed to synthesize a polyol as a substituent of castor oil in polyurethane foams. The liquefied product showed excellent properties for the proposed application. Castor oil was substituted with up to 50% wheat straw polyol in the formulation of polyurethane foams, which were prepared using two different isocyanates (methylene diphenyl diisocyanate (MDI) and toluene-2,4-diisocyanate (TDI)). The evaluation of physical, mechanical, and thermal properties of the foams revealed that these materials can successfully be formed with up to 40% wheat straw polyols since all the results were improved. Moreover, at this polyol concentration, the morphology of the foams was presented as a compact and ordered structure. Following this trend, the foams showed excellent biodegradability at 30 days (5.60 and 7.31% for TDI and MDI foams, respectively) and 60 days (8.49 and 9.88% for TDI and MDI foams, respectively) in the soil media tests carried out. Thus, the materials prepared in this work can be proposed for agricultural applications such as use in plant nurseries

The structure of the class of maximum tsallis-havrda-chavat entropy copulas

A maximum entropy copula is the copula associated with the joint distribution, with prescribed marginal distributions on [0, 1], which maximizes the Tsallis-Havrda-Chavat entropy with q = 2. We find necessary and sufficient conditions for each maximum entropy copula to be a copula in the class introduced in Rodriguez-Lallena and Ubeda-Flores (2004), and we also show that each copula in that class is a maximum entropy copula.A maximum entropy copula is the copula associated with the joint distribution, with prescribed marginal distributions on [0, 1], which maximizes the Tsallis-Havrda-Chavat entropy with q = 2. We find necessary and sufficient conditions for each maximum entropy copula to be a copula in the class introduced in Rodriguez-Lallena and Ubeda-Flores (2004), and we also show that each copula in that class is a maximum entropy copula.18