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showing 10 items of 2101 documents

Multiple Surface Cracking and Debonding Failure for Thin Thermal Coatings

2019

Abstract A mechanical analysis of thin films of quasi-brittle materials used as thermal coatings for superalloy substrate is proposed. The study considers a bi-material element subjected to uniform tension formed by a thin layer of quasi-brittle material (typically a ceramic) bonded on an elastic substrate. The bounding between the coating film and the substrate is realized by a very thin primer which mechanically modeled as a zero thickness cohesive frictional interface. The analysis is developed by a non-linear finite element simulation in which, in order to consider damage size effects, a non-local isotropic damage model is adopted for the quasi-brittle coating. The results of the analys…

Multiple cracksDamage localizationMaterials scienceIsotropy02 engineering and technologySubstrate (printing)engineering.material021001 nanoscience & nanotechnologySpallSuperalloyCohesive interface020303 mechanical engineering & transports0203 mechanical engineeringCoatingvisual_artengineeringvisual_art.visual_art_mediumCeramicComposite materialThin filmSettore ICAR/08 - Scienza Delle Costruzioni0210 nano-technologyElastic modulusEarth-Surface ProcessesProcedia Structural Integrity
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Multiplicative Loops of Quasifields Having Complex Numbers as Kernel

2017

We determine the multiplicative loops of locally compact connected 4-dimensional quasifields Q having the field of complex numbers as their kernel. In particular, we turn our attention to multiplicative loops which have either a normal subloop of dimension one or which contain a subgroup isomorphic to $$Spin_3({\mathbb {R}})$$ . Although the 4-dimensional semifields Q are known, their multiplicative loops have interesting Lie groups generated by left or right translations. We determine explicitly the quasifields Q which coordinatize locally compact translation planes of dimension 8 admitting an at least 16-dimensional Lie group as automorphism group.

Multiplicative loops of locally compact quasifields semifields sections in Lie groups translation planes automorphism groups.Applied Mathematics010102 general mathematicsMultiplicative functionDimension (graph theory)Lie groupField (mathematics)Translation (geometry)01 natural sciences010101 applied mathematicsCombinatoricsKernel (algebra)Mathematics (miscellaneous)Locally compact spaceSettore MAT/03 - Geometria0101 mathematicsComplex numberMathematics
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Association between climate and new daily diagnoses of COVID-19

2020

AbstractBackgroundAlthough evidence is accumulating that climate conditions may positively or negatively influence the scale of coronavirus disease 2019 (COVID-19) outbreaks, uncertainty remains concerning the real impact of climate factors on viral transmission. Methods. The number of new daily cases of COVID-19 diagnosed in Verona (Italy) was retrieved from the official website of Veneto Region, while information on daily weather parameters in the same area was downloaded from IlMeteo website, a renowned Italian technological company specialized in weather forecasts. The search period ranged between March 1 to November 11, 2020. The number of new daily COVID-19 cases and meteorological da…

Multivariate analysisCoronavirus disease 2019 (COVID-19)Leadership and ManagementStrategy and Management2020. The number of new daily COVID-19 cases and meteorological data in Verona were correlated using both univariate and multivariate analysis. Results: The number of daily COVID-19 diagnoses in Verona was positively associated with the number of days in lockdown and humidity1% decrease in humidityWind speedmin and max temperatureand influence the likelihood or course of local COVID-19 outbreaks. Preventive measuresHealth Information Managementa renowned Italian technological company specialized in weather forecasts. The search period ranged between March 1 and November 11mean air temperature1.2% and 5.4% reduction in new COVID-19 daily diagnoses. A significant difference was observed in values of all-weather parameters recorded in Verona between days with &ltHealth Policy1 km/h increase in wind speed and day with rainfall were independently associated with 1.0%Significant differencehumidityUnivariateOutbreakHumidityand inversely correlated with meanmean wind speed and number of days with rainfall. Days of lockdownwhile information on daily weather parameters in the same area was downloaded from IlMeteo websitetesting policies and hospital preparedness should be reinforced during periods of higher meteorological risk and in local environments with adverse climate conditions.Background: Although evidence is accumulating that climate conditions may positively or negatively influence the scale of coronavirus disease 2019 (COVID-19) outbreaks0.3%uncertainty remains concerning the real impact of climate factors on viral transmission. Methods: The number of new daily cases of COVID-19 diagnosed in Verona (Italy) was retrieved from the official website of Veneto RegionGeography100 or ≥100 new daily COVID-19 diagnoses. Conclusions: Climate conditions may play an essential role in conditions of viral transmissionAir temperaturemean wind speed and number of days with rainfall remained significantly associated in multivariate analysis. The four weather parameters contributed to explaining 61% of variance in new daily COVID-19 diagnoses. Each 1% increase in air temperatureBackground: Although evidence is accumulating that climate conditions may positively or negatively influence the scale of coronavirus disease 2019 (COVID-19) outbreaks uncertainty remains concerning the real impact of climate factors on viral transmission. Methods: The number of new daily cases of COVID-19 diagnosed in Verona (Italy) was retrieved from the official website of Veneto Region while information on daily weather parameters in the same area was downloaded from IlMeteo website a renowned Italian technological company specialized in weather forecasts. The search period ranged between March 1 and November 11 2020. The number of new daily COVID-19 cases and meteorological data in Verona were correlated using both univariate and multivariate analysis. Results: The number of daily COVID-19 diagnoses in Verona was positively associated with the number of days in lockdown and humidity and inversely correlated with mean min and max temperature mean wind speed and number of days with rainfall. Days of lockdown mean air temperature humidity mean wind speed and number of days with rainfall remained significantly associated in multivariate analysis. The four weather parameters contributed to explaining 61% of variance in new daily COVID-19 diagnoses. Each 1% increase in air temperature 1% decrease in humidity 1 km/h increase in wind speed and day with rainfall were independently associated with 1.0% 0.3% 1.2% and 5.4% reduction in new COVID-19 daily diagnoses. A significant difference was observed in values of all-weather parameters recorded in Verona between days with <100 or ≥100 new daily COVID-19 diagnoses. Conclusions: Climate conditions may play an essential role in conditions of viral transmission and influence the likelihood or course of local COVID-19 outbreaks. Preventive measures testing policies and hospital preparedness should be reinforced during periods of higher meteorological risk and in local environments with adverse climate conditions.DemographyJournal of Hospital Management and Health Policy
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Expediente facil, y praticable, para desempeñar, y descargar la Ciudad de Valencia, de las muchas deudas que la oprimen, substituyendo en lugar de lo…

1669

Com a títol el començament del text Signatures: A[4 Peu d'imprenta pres del colofó Reclams Caplletra ornada

Municipis Govern i administració Comunitat Valenciana S. XVII Obres anteriors al 1800.Finances locals Comunitat Valenciana S. XVIII Obres anteriors al 1800
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Circular, 1769, 11, 28

Com a tít. el començament del text Signatura de la Circular Don Juan Peñuelas Precedeix al text: [creu de Malta

Municipis Govern i administració Espanya S. XVIII Obres anteriors al 1800Administració local Espanya S. XVIII Obres anteriors al 1800
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El Sr. Dn. Andres Gomez y de la Vega ... Intendente General del Exercito y Reyno de Valencia y Murcia ... Dixo: Que por quanto se ha passado à su Señ…

Precedeix al tít.: [creu de Malta] dins orla xil Signat al final: "Don Pedro Luis Sanchez" Caplletra ornada al principi del text Reclams

Municipis Govern i administració Espanya S. XVIII Obres anteriors al 1800Administració local Espanya S. XVIII Obres anteriors al 1800
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Don Andres Gomez y de la Vega ... Intendente General del Exercito y Reyno de Valencia y Murcia ... Por quanto de orden del Real, y Supremo Consejo de…

Signat al final: Don Andrès Gomez de la Vega Caplletra ornada al principi del text Reclams

Municipis Govern i administració Espanya S. XVIII Obres anteriors al 1800Administració local Espanya S. XVIII Obres anteriors al 1800
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Mutational analysis of the RNA-binding domain of the Prunus necrotic ringspot virus (PNRSV) movement protein reveals its requirement for cell-to-cell…

2005

AbstractThe movement protein (MP) of Prunus necrotic ringspot virus (PNRSV) is required for cell-to-cell movement. MP subcellular localization studies using a GFP fusion protein revealed highly punctate structures between neighboring cells, believed to represent plasmodesmata. Deletion of the RNA-binding domain (RBD) of PNRSV MP abolishes the cell-to-cell movement. A mutational analysis on this RBD was performed in order to identify in vivo the features that govern viral transport. Loss of positive charges prevented the cell-to-cell movement even though all mutants showed a similar accumulation level in protoplasts to those observed with the wild-type (wt) MP. Synthetic peptides representin…

MutantMolecular Sequence DataPlasmodesmaBiologyCircular dichroismIlarvirusGFPViral ProteinsVirologyMovement proteinTobaccoAmino Acid SequenceMovement proteinRNA binding domainProtein secondary structureProtoplastsRNABiological Transportbiology.organism_classificationSubcellular localizationSubcellular locationMolecular biologyVirusProtein Structure TertiaryPlant LeavesPlant Viral Movement ProteinsPrunus necrotic ringspot virusRNA ViralCell-to-cell movementPeptidesProteïnesPrunus necrotic ringspot virusBinding domainVirology
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Étudier l'insertion des étudiants : Les enjeux méthodologiques posés par le suivi de l'insertion des diplômés de l'enseignement supérieur au niveau l…

2008

08036; NEF (Notes Emploi Formation), N°28, juin 2008. 50 p.Accessible à l'adresse : http://www.cereq.fr/pdf/nef28.pdf; Ce document dresse un panorama des méthodes d'observation de l'insertion professionnelle des diplômés, principalement au niveau des établissements d'enseignement supérieur.Il détaille un certain nombre de méthodologies d'enquêtes produites au niveau local, régional ou national.Il revient sur les choix effectués lors des principales étapes de ces enquêtes (constitution de la base de données, choix du mode de passation, conception du questionnaire, apurement et exploitation des données, choix des indicateurs d'insertion à publier, types de publication...).Il propose également…

MéthodologieNiveau localNiveau national[SHS.EDU]Humanities and Social Sciences/Education[SHS.EDU] Humanities and Social Sciences/EducationSuiviNiveau régional[ SHS.EDU ] Humanities and Social Sciences/EducationInsertion des diplômés de l'enseignement supérieur
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Latvijas Vēstures Institūta Žurnāls. 2016, Nr. 4 (101)

2016

Valsts kultūrkapitāla fonds

Nacionālkomunisms Latvijā:HUMANITIES and RELIGION::History and philosophy subjects::Archaeology subjects [Research Subject Categories]:HUMANITIES and RELIGION::History and philosophy subjects::History subjects [Research Subject Categories]RecenzijasEthnicity Class and Local PatriotismDendroklimatoloģijas izmantošanas iespējas pagātnes ziemu aukstuma raksturošanaiZinātnes dzīveVēstures avotiKurzemes hercoga Jēkaba ieslodzījums IvangorodāPadomju drošības dienestu veiktās civiliedzīvotāju slepkavībasPersonālijas
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