Search results for "pinta"
showing 8 items of 78 documents
Struttura galleggiante ad elevata stabilità (Floating structure with high stability)
2015
DESCRIZIONE GENERALE La struttura galleggiante innovativa è composta da diversi elementi modulari collegati fra loro. La composizione modulare della struttura consente di conferirle la lunghezza dettata dalle particolari esigenze da soddisfare. Tipiche applicazioni della struttura galleggiate innovativa sono i pontili, le passerelle pedonali o ciclabili su specchi d'acqua, e in generale le opere finalizzate a consentire lo spostamento di persone, merci e/o veicoli fra punti di uno specchio d'acqua (marino o lacustre) utilizzando strutture galleggianti. Ogni modulo, lungo 10-15 m, è tenuto a galla dalla spinta di Archimede sulle sue parti immerse (le carene), spinta che nella struttura innov…
Rakennusten koristemaalausten restaurointi
2017
Maisterin tutkielmassani tarkastelen koristemaalattujen rakennuspintojen restauroinnin ilmiötä ja sen kehittymistä nykyiseen muotoonsa. Rakennuspintojen restaurointi sisältää erilaisia toimia konservoinnista uusien osien toteuttamiseen sisältäen myös rekonstruoinnin. Tutkimuksen tavoitteena on selvittää, miten rakennussuojelun arvotaustan muodostuminen liittyy näihin restaurointitoimenpiteisiin ja miten rakennuspitojen restaurointi on muuttunut 1960-luvulta alkaen. Arvotaustan muodostumisen selvittämiseksi tutkin kulttuuriperinnön suojelua koskevia kansainvälisiä peruskirjoja, rakennussuojelun normeja ja niihin liittyvää kirjallisuutta. Empiirisen osan aineistona on pääkaupunkiseudulla toim…
Development of microfluidics for sorting of carbon nanotubes
2018
Sorting of carbon nanotubes by their chirality is the current bottleneck in the way to their broad employment based on their exceptional electronic and optical properties. Despite the extensive effort, there is no known method, which would result in really pure chirality ensembles. Previously reported sorting protocols result in enrichment rather than in sorting, alter electronic structure, and suffer from low yield. This is mostly due to the statistical approach, where the nanotubes with mixed chiralities are treated as a set. In this thesis, we propose a new sorting technique based on nanotube-by-nanotube compartmelization, characterization, and sorting in a continuously running droplet-b…
Electron-phonon interaction in flat-band superconductivity
2017
Parhaiten tunnettu suprajohtavuuden syntymekanismi perustuu fononien välittämään vetovoimaan elektronien välillä. Tässä tutkielmassa tutkin fononien välittämää suprajohtavuutta systeemeissä, jossa elektronivyöt ovat tasomaisia. Tasovyöllä elektronien dispersio on erittäin heikko, jolloin tilatiheys on tavanomaista suurempi. Tämän takia suprajohtavuus tasovyöllä on tavanomaista voimakkaampi silloin kun elektronien välinen vetovoima on heikko. Eliashbergin teoria on elektroni–fononi-suprajohtavuuden teoria, joka ottaa luonnollisella tavalla fononien äärellisen nopeuden huomioon elektronien välisessä vuorovaikutuksessa. Pohjustuksena tasovyösuprajohtavuuteen perehdyn Eliashbergin teoriaan ensi…
Luis Tramoyeres Blasco, 1920-2020
2021
Luis Tramoyeres Blasco (1854-1920) fue secretario general de la Real Academia de Bellas Artes de San Carlos, director-conservador del Museo de Bellas Artes de Valencia y fundador de la revista Archivo de Arte Valenciano (1915). Sin duda, la ingente actividad y la extensa bibliografía de Tramoyeres, requeriría un trabajo monográfico sobre su figura. A falta del mismo, no podíamos pasar por alto la figura del fundador de nuestra revista en el centenario de su fallecimiento. El homenaje se realiza ilustrando con tres ejemplos, y celebrando, con imágenes inéditas, hasta qué punto están vivas sus investigaciones y la actividad que desarrolló. Los ejemplos escogidos para hacer presente su memoria…
Interaction between surface plasmon polaritons and molecules in strong coupling limit
2016
Miniaturization of optical elements and their integration to electronic circuits is limited by diffraction limit. It was realized that light being coupled to surface plasmons (SP) can overcome this limit. Employing also optically active molecules in combination with SPs can drive optical circuits to nm-scale and add functionalities. For efficient performance of plasmonic elements involving fluorescent dye molecules investigation of physics behind their interaction is of high priority. In this thesis interaction between surface plasmon polaritons (SPPs) and different dye molecules has been studied, especially within strong coupling limit, which brings in totally new physical properties in th…
On-chip purification of arc-discharge synthesized multiwalled carbon nanotubes via mobile liquid interface
2017
This thesis reports a novel approach for purification of carbon nanotube (CNT) samples deposited on smooth silicon substrates through a mobile liquid interface interacting with carbonaceous debris particles that contaminate the deposition. The method is based on physical interaction of the particles and the three-phase contact line via capillary interface forces, i.e. the surface tension, which results in the detachment of chemically indispersible colloids from the sample surface. In the experiments reported in this work, we focus primarily on arc-discharge grown multi-walled carbon nanotubes, whose synthesis is particularly plagued by carbonaceous debris that is difficult to remove without h…
Habitat area and local habitat conditions outweigh fragmentation effects on insect communities in vineyards
2022
Fragmentation of habitat, for example by intensive agricultural practices, can be detrimental to local biodiversity. However, it often remains unclear whether such biodiversity declines are caused by loss of habitat area or increased fragmentation, and how habitat quality factors into it. In our study system, vegetated vineyards are typically small, and isolated from one another, potentially limiting the distribution and dispersal of organisms. In a full-factorial experiment of a priori selected vegetated vineyard patches of differing size and fragmentation, we aimed to disentangle the effects of habitat area (area of vegetated vineyards), habitat fragmentation (number of vegetated vineyard…