Search results for "Insula"

showing 10 items of 735 documents

Integrazione di celle fotovoltaiche ibride nel vetromattone

2012

L’invenzione riguarda l’integrazione del vetromattone con celle solari ibride (organiche/inorganiche), conosciute come Dye-sensitized Solar Cell (DSC). La combinazione del vetromattone con le DSC consente di migliorare le prestazioni del prodotto originario rendendolo in grado di produrre energia pulita. Le caratteristiche di trasparenza e isolamento termo-acustico del prodotto possono essere regolate agendo sulla configurazione delle DSC. Il prodotto può essere assemblato a formare pannelli fotovoltaici per la realizzazione di facciate traslucide energeticamente “attive” in varie condizioni luminose (condizioni di luce diffusa o artificiale) e indipendentemente dall’angolo di radiazione so…

The integration of Dye-sensitized Solar Cell (DSC) with the glassblock is disclosed. The combination of the two technological elements the glassblock and the DSC module enhance their own peculiarities. The final complete product is ready-made for installation owns the qualities of the glassblock and produces sustainable energy at the same time. The transparency and the thermo-acoustic insulation may be modulated according to the specific requirements of each case of installation. The product may be used for example to create PV panels for glazed and translucent façades that are able to perform efficiently in all light conditions (even in diffuse light also converting internal artificial light) that are not dependant on the angle of the solar radiation and do not suffer from the high operative temperatures of functioning due to the peculiarities of the DSCs. DSCs are made of economic and biocompatible materials and are produced with low-cost and highly productive printing methods on rigid or flexible substrates. With the integration of DSC modules with the glassblock PV panels coincide with the envelope itself so that they do not need any further structures to be installed on and allow the possibility of subtract from the price of the panel the price of the substituted building element allowing further economies. DSCs can be printed in different colours and with various patterns offering to designers and customers the possibility of intervening on the glassblock aesthetical aspect also taking advantage of the peculiar modularity of the glassblock for larger compositions of drawings on the building’s façade. Seven Hypotheses of integration are discussed in order to obtain DSC-integrated glassblock ready for the construction of a precast and dry-assembled PV panel which can use the horizontal and vertical cavities between the glassblocks to house plastic profiles where the electric interconnections and the steel bars -useful for improve the mechanical resistance of the panel- are integrated.Settore ICAR/10 - Architettura Tecnica
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Primo rinvenimento di Juniperus sabina L. sul massiccio del Pollino, Italia meridionale

1992

Viene segnalata per la prima volta la presenza di Juniperus sabina L. sul massiccio del Pollino, dove la specie è stata rinvenuta in habitat rupicolo in due stazioni ricadenti rispettivamente in territorio calabrese e lucano. Le stazioni vengono caratterizzate dal punto di vista floristico ed ecologico.

The presence of Juniperus sabina L. an Eurasian element is recorded from southern Italy where it has been found in two sites on Mt. Pollino. In Italy this species was so far reported only from the Alps and a few localities of central Apennines. Therefore the finding on Mt. Pollino largely widens its distribution southwards in the Italian Peninsula. As regards Europe J. sabina reaches lower latitudes only in southern Spain. The Authors stress the phytogeographical significance of the sites which are characterized from the floristic and ecological viewpoint.Settore BIO/02 - Botanica Sistematica
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Experimental Evidence on the Thermal Performance of Opaque Surfaces in Mediterranean Climate

2013

The thermal insulation of buildings, intended as wrap feature which determines the dispersion of heat, the reference parameter is necessary to contain the thermal losses during the winter season. The transmittance of the opaque components, used as an indicator of the energy quality of a casing, together with the overall coefficient of dispersion, represents a proper descriptor of the behavior during the heating season. However, if a strong insulation in winter conditions brings only positive effects, the same cannot be said for the summer conditions. A high value of the insulation in the casing is convenient only when the gains free, either in the form of solar contribution that of endogeno…

Thermal insulation Energy performance of building Opaque surfaces Thermophysical of involucrOpacityMeteorologybusiness.industryGeneral EngineeringEnergy consumptionDynamic insulationThermal insulationThermalTransmittanceEnvironmental sciencebusinessCasingBuilding envelopeAdvanced Materials Research
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Experimental Evidence on the Thermal Performance of Opaque Surfaces in Mediterranean Climate

2013

The thermal insulation of buildings, intended as wrap feature which determines the dispersion of heat, the reference parameter is necessary to contain the thermal losses during the winter season. The transmittance of the opaque components, used as an indicator of the energy quality of a casing, together with the overall coefficient of dispersion, represents a proper descriptor of the behavior during the heating season. However, if a strong insulation in winter conditions brings only positive effects, the same cannot be said for the summer conditions. A high value of the insulation in the casing is convenient only when the gains free, either in the form of solar contribution that of endogeno…

Thermal insulation Energy performance of building Opaque surfaces Thermophysical of involucrSettore ING-IND/11 - Fisica Tecnica Ambientale
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“The tale of the three little tits”: Different nest building solutions under the same environmental pressures

2020

Evolutionary selection pressures, and species-specific ecology and behavior, promote a great variability in the size and composition of nests. However, it would be expected that phylogenetically close species, with similar ecological needs, breeding at the same time in the same place, would also build similar nests. In contrast with this, previous studies have found differences in nest mass and composition among closely related sympatric species. These differences have been attributed to small differences in body size (smaller species building larger and/or more insulated nests), or to the different ways in which species perceive the environment (e.g. perceived predation risk). In this stud…

ThermoregulationEcologyEcology (disciplines)Tructuring materialsBiologyPeriparus aterCyanistes caeruleusMixed forestNest insulationNestParus majorAnimal Science and ZoologyNest sizeEvolutionary selectionEcology Evolution Behavior and SystematicsAvian Biology Research
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High Resolution Time Domain Reflectometry for Dielectric State Monitoring in High Voltage Cables

2017

A high resolution Time Domain Reflectometry system has been designed in order to investigate the possibility of measuring with good accuracy the dielectric properties of high voltage cables insulator materials by means of Time-of-Flight measures. The system employs a dedicated Time-To-Digital Converter in order to achieve a time resolution of 90 ps. By exploiting averaging techniques the resolution has been further increased. Experimental results showed the possibility of measuring the dielectric constant with a resolution of 0.03%.

Time-of-Flight measurementMaterials sciencebusiness.industryHigh resolutionHigh voltageTime resolutionInsulator (electricity)DielectricDielectric state monitoringSettore ING-INF/01 - ElettronicaTime domain reflectometryTime-to-digital converterOptoelectronicsTime domainTime-to-Digital ConverterbusinessReflectometry
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Promoter activity of the sea urchin (Paracentrotus lividus) nucleosomal H3 and H2A and linker H1 a-histone genes is modulated by enhancer and chromat…

2009

Core promoters and chromatin insulators are key regulatory elements that may direct a transcriptional enhancer to prefer a specific promoter in complex genetic loci. Enhancer and insulator flank the sea urchin (Paracentrotus lividus) alpha-histone H2A transcription unit in a tandem repeated cluster containing the five histone genes. This article deals with the specificity of interaction between the H2A enhancer-bound MBF-1 activator and histone gene promoters, and with the mechanism that leads the H1 transcripts to peak at about one-third of the value for nucleosomal H3 and H2A mRNAs. To this end, in vivo competition assays of enhancer and insulator functions were performed. Our evidence su…

Transcription GeneticEnhancer RNAsSettore BIO/11 - Biologia MolecolareGene Regulation Chromatin and EpigeneticsParacentrotus lividusHistonesGeneticsAnimalsNucleosomesea urchin enhancer chromatin insulator histone gene expression microinjectionTransgenesPromoter Regions GeneticEnhancerTranscription factorBinding SitesbiologyPromoterbiology.organism_classificationMolecular biologyChromatinNucleosomesChromatinEnhancer Elements GeneticHistoneembryonic structuresParacentrotusTrans-Activatorsbiology.proteinInsulator Elements
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The modulator is a constitutive enhancer of a developmentally regulated sea urchin histone H2A gene.

2002

Going back to the late 1970s and early 1980s, we trace the Xenopus oocyte microinjection experiments that led to the emergence of the concept of “modulator”. The finding that the modulator could transactivate transcription from far upstream and in either orientation suggested that a new genetic element, different from the classical prokaryotic promoter sequences, had been discovered. This particular enhancer transactivates transcription of the sea urchin early (α) histone H2A gene which is regulated in early sea urchin development. We summarise the data from sea urchin microinjection experiments that confirm and extend the results obtained with Xenopus oocytes. We conclude that the H2A enha…

Transcriptional Activationanimal structuresDNA ComplementaryTranscription GeneticXenopusMolecular Sequence DataXenopusDown-RegulationInsulator (genetics)General Biochemistry Genetics and Molecular BiologyHistonesTranscription (biology)biology.animalHistone H2ANucleosomeAnimalsHumansEnhancerSea urchin3' Untranslated RegionsbiologyBase SequenceModels GeneticGene Expression Regulation Developmentalbiology.organism_classificationMolecular biologyCell biologyChromatinSea Urchinsembryonic structures5' Untranslated RegionsBioEssays : news and reviews in molecular, cellular and developmental biology
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The genus Troglophilus Krauss, 1879 (Orthoptera: Rhaphidophoridae) in the west Balkans

2011

We present a revision of the genus Troglophilus in the western part of the Balkan Peninsula based on morphological and genetic analysis, and provide distribution data for the species. The results of these analyses reduced the number of the known taxa within the genus Troglophilus in this area to five valid species: Troglophilus cavicola (Kollar, 1833), Troglophilus neglectusKrauss, 1879, Troglophilus ovuliformisKarny, 1907, Troglophilus brevicauda Chopard, 1934, and Troglophilus lazaropolensis Karaman, 1958. A new species Troglophilus zorae sp. nov. is described and Troglophilus neglectus serbicus Maran, 1958, Troglophilus neglectus vlasinensis Maran, 1958, Troglophilus bukoviki Karaman, 19…

TroglophilusOrthopteraEcologyZoologyBiologybiology.organism_classificationTaxonTroglophilus neglectusBalkan peninsulaGenusDistribution patternAnimal Science and ZoologyEcology Evolution Behavior and SystematicsRhaphidophoridaeZoological Journal of the Linnean Society
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Las pinturas murales de los arcosolios del Cementerio del Conjunto Histórico de San Juan del Hospital de Valencia

2020

Los últimos trabajos de restauración llevados a cabo en los arcosolios del cementerio del Conjunto Histórico de San Juan del Hospital de Valencia han sacado a la luz parte de las pinturas murales que sirvieron como decoración al intradós de estas pequeñas arquitecturas funerarias. Dichas pinturas, ocultas bajo diferentes capas de cal desde mediados del siglo XIV, se suman a las descubiertas en las anteriores etapas de rehabilitación y restauración en la capilla de San Miguel y en el arcosolio llamado de Fernández Heredia. De este modo el conjunto hospitalario se sitúa entre los monumentos con más numerosos e interesantes restos pictóricos murales de época medieval de la ciudad de Valencia. …

UNESCO::CIENCIAS DE LAS ARTES Y LAS LETRASMar0211-5808 9678 Archivo de arte valenciano 564145 2020 101 7707975 Las pinturas murales de los arcosolios del Cementerio del Conjunto Histórico de San Juan del Hospital de Valencia Sabaté Lerínse suman a las descubiertas en las anteriores etapas de rehabilitación y restauración en la capilla de San Miguel y en el arcosolio llamado de Fernández Heredia. De este modo el conjunto hospitalario se sitúa entre los monumentos con más numerosos e interesantes restos pictóricos murales de época medieval de la ciudad de Valencia. En el siguiente artículo se aborda el estudio y la descripción de los motivos decorativos encontradospeninsulares y localesocultas bajo diferentes capas de cal desde mediados del siglo XIVponiéndolos en relación con los conservados en otros conjuntos europeos:CIENCIAS DE LAS ARTES Y LAS LETRAS [UNESCO]Emilio Jesús Los últimos trabajos de restauración llevados a cabo en los arcosolios del cementerio del Conjunto Histórico de San Juan del Hospital de Valencia han sacado a la luz parte de las pinturas murales que sirvieron como decoración al intradós de estas pequeñas arquitecturas funerarias. Dichas pinturasDíaz Garcíaubicando las pinturas de San Juan en su contexto histórico-artístico a nivel localnacional e internacional. Una de las aportaciones más importantes es el descubrimiento de la estrecha relación entre las pinturas murales conservadas en una de las capillas exteriores de la Catedral de Valencia y las que decoran los arcosolios del conjunto sanjuanista. 27 40
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