Search results for " atmosphere"
showing 10 items of 292 documents
Pneumatic press equipped with the Vortex system for white grapes processing: First results
2019
The interaction between mechanical, computer and electronic technologies offers nowadays highly innovative solutions to be applied to the oenological machinery industry. Grapes pressing for the extraction of must from the grapes has a fundamental role for obtaining wines with high quality. The pneumatic presses commonly used work with a discontinuous cycle, taking on average about 3 hours for the extraction of the juice from the grapes. During this period, the presence of oxygen in contact with grapes can modify the qualitative characteristics of the future wine. The aim of the research was to study the “Vortex System” applied to a pneumatic press and to evaluate the quality of wines obtain…
The combination of freezing and modified atmosphere packaging inhibits melanosis in giant red shrimp
2014
The mass determination challenge for exoplanetary science
2023
The mass of an exoplanet is a key parameter for the characterisation of the internal structure of a planet, as well as the study of the formation and the evolution of the planet, and its atmosphere. The radial velocity technique allows for measuring the planetary mass from the radial velocity variation of its parent star. However, limitations in the property determination of exoplanets, particularly in their masses, can arise from various sources especially from astrophysical noise due to stellar variability, caused by magnetic activity, which affects the detection and characterisation of exoplanets. This PhD thesis aims to understand the impact of our knowledge of the planetary mass in the…
THE INTERACTION OF THE STELLAR HIGH ENERGY RADIATION WITH THE CIRCUMSTELLAR MEDIUM
The purpose of this Thesis is to study how stellar high energy radiation affects exo- planetary atmospheres. High level of stellar high energy, X-rays and (vacuum end extreme) ultraviolet radiation may prevent planets’ habitability and limit the width of the habitability zone. Such radiation may ionize a star surrounding, affecting the chemistry and thermal bal- ance. The effects of X-rays can be wide ranging or relatively local. Soft X-rays are absorbed closer to the source than X-rays with energy greater than 1 keV. The absorption cross-section of hard X-rays are generally very small, so that such radiation may affect a whole galaxy to some extent. The product of photo-ionization is a cas…
Designing Atmospheres. The Role of Aesthetics in the Requalification of Space
2017
The ecological movements of the seventies gave environmental questions the role of key issues in the artistic, architectural and philosophical debate. However, these questions have been mainly dealt with an ecological and scientific approach. It was seldom noticed that both natural and built spaces can be above all conceived of as felt spaces and, furthermore, that their aesthetic qualities are as important as toxicological factors. Although it focussed on the environmental protection and on the harmonious integration of built-up and natural areas, the architectural reflection considers beauty a subordinate factor rather than a prime concern. Although during the recent years it has come bac…
Iperestetica. Arte, natura, vita quotidiana e nuove tecnologie
2012
La società odierna è caratterizzata dall’eccesso, dall’esasperata ricerca di bellezza sia psico-fisica (dalla ginnastica allo yoga, dalla moda alla cosmetica, dalla chirurgia estetica all’ingegneria genetica) sia materiale (dagli abiti agli accessori, dal telefonino all’automobile). Di fronte a questa realtà in cui l’apparenza, il piacere e il divertimento sono divenuti, in ogni campo, gli obiettivi dominanti l’estetica deve sforzarsi di superare i confini “canonici” di un’astratta speculazione accademica al fine di orientare in senso pragmatico la sfera d’indagine. Diviene, quindi, sempre più urgente individuare nuove categorie e adottare più adeguati modelli epistemologici. Da qui l’ipote…
The power of the gift: a perspective of political aesthetics
2019
According to Aristotle (Polit. 1253a) man is a “political animal” and his aim is to live in the community. Guided by this Aristotelian premise, I would like to dwell on the relevance of a relationship among individuals as the foundation of a civil society and the building of a political space. Following the Aristotelian perspective, the relationship among people acquires a political value in reference to the Greek word polis (city). Consequently, the adjective “political” indicates an idea wider than usually acknowledged and may refer to space, objects, and overall relationships among people. According to the natural model originally advocated by Aristotle, the urban space acquires a politi…
Aesthetic Perspectives on Culture, Politics, and Landscape. Appearances of the “Political”
2022
This book investigates how we are involved in politically informed structures and how they appear to us. Following different approaches in contemporary aesthetics and cultural philosophy, such as everyday aesthetics, atmosphere and aestheticization, the authors explore how embedded powers in politics, education, democracy, and landscape are analyzed through aesthetics.
Artificare lo spazio urbano. Lo sguardo “altro” di Danisinni
2019
Se nella città di Palermo, come in altre città italiane e del mondo, l’incompiuto è segno di un percorso trasformativo che ha subito un arresto, nel rione palermitano di Danisinni l’incompiuto è simbolo di una dimensione esistenziale. Infatti, non solo dal punto di vista topografico, ma anche da quello economico e sociale Danisinni costituisce un mondo chiuso in sé stesso: è un villaggio dentro la città, ma al contempo è un luogo periferico e marginale, tagliato anche dai collegamenti pubblici. Tuttavia negli ultimi anni in questo quartiere sono stati avviati dei processi di riqualificazione urbana che hanno fatto ricorso alle arti da strada (murales, spettacoli teatrali e circensi). Il sag…
Evaluation of quality parameters of strawberry fruits in modified atmosphere packaging during storage
2010
The objective of the present study is to evaluate the effect of modified atmosphere packaging (MAP) during storage on some quality parameters of strawberries. Strawberries (cv. Camarosa) were harvested when mature, forced air cooled and divided into two groups as fruits in MAP and control. After packaging, fruits were stored at 0°C, 90 - 95% RH for 10 days plus 1 day at 20°C and 50 - 55% RH for the evaluation of shelf life. Changes in fruit quality, mass loss, decay, color, firmness, total soluble solids (TSS), acidity, glucose, fructose, saccharose and color were investigated. The mass loss and decay were lower in MAP than observed in the control whereas firmness, TSS, acidity and color di…