Search results for "Semi"

Momentum-space structure of surface states in a topological semimetal with a nexus point of Dirac lines

2016

Three-dimensional topological semimetals come in different variants, either containing Weyl points or Dirac lines. Here we describe a more complicated momentum-space topological defect where several separate Dirac lines connect with each other, forming a momentum-space equivalent of the real-space nexus considered before for helium-3. Close to the nexus the Dirac lines exhibit a transition from type I to type II lines. We consider a general model of stacked honeycomb lattices with the symmetry of Bernal (AB) stacked graphite and show that the structural mirror symmetries in such systems protect the presence of the Dirac lines, and also naturally lead to the formation of the nexus. By the bu…

Homo signator: "L'indistruttibilità dell'uomo primitivo". Un'archeologia della cultura visuale

Geometrical-mechanical artefacts mediating tangent meaning: the Tangentograph

2012

This work deals with the didactical use of geometrical-mechanical artefacts to acquire tangent concept in vygotskian perspective. We adopt Rabardel’s theory on instru-mental approach to distinguish artefacts and instruments specially to evince the history-to-education ontogenesis-phylogenesis process. From this point of view we trace a historical-epistemological pathway for the tangent up to set an ad hoc didactical counterpart. Specifically in this paper we deepen the kinematical properties of the tangent (introducing the XVII century so called tractional motion) designing a laboratorial didactic pathway for 12th grade students with the use of a particular geometrical-mechanical artefact f…

La traduction des métaphores: le cas de Kassandra de Christa Wolf

2012

This paper analyzes, in a comparative way, the conceptual metaphors (Lakoff and Johnson, 1998) used in the German text «Kassandra» of Christa Wolf and in its Italian translation. The metaphors’ translation is important for two reasons. First it shows the socio-cultural aspects that turn around the source language and the target language. On the other hand, it can investigate the role of the language and the linguistic choices. This paper will analyze the metaphors’ translations using a mixed approach, both cognitive linguistics and semiotics but it also focuses on the translation theories. The analysis of metaphors allows us to understand better the comprehension of communicative intentiona…

Translation as artistic communication in the aesthetics of migration: From nonfiction to the visual arts

2017

AbstractIn an increasingly globalized and digitalized world, where the advancement of technologies and media constructions oversimplify and manipulate public beliefs and shared knowledge, the artistic sector seems to provide new networks of solidarity, collaboration and interaction that challenge a world dominated by conflicts and cultural shocks. Against this backdrop, acts of translation within the arts bear witness to humanity and become the ultimate ground for subjective expression and fundamental reflections upon individualist attitudes against migration issues. By putting emphasis on the role of translation in its political transfer of migration into the arts, this investigation draws…

The World Hobbit Project at Cardiff University, UK

2016

Gastronomie : entre transparence et opacité Un jeu d'ombre et de lumière

2015

This article aims at highlighting the signs of transparency and opacity in gastronomic communication. The esthesic, aesthetic and ethical dimension will be considered through discursive and visual elements put at stake in the presentation of dishes so that their flavours as well as the sensations and emotions they produce will fully come out. It will illustrate the interactions between the creative chef and the guest who will feel sensations, each of them asserting the construction of their identity. Gastronomic semiotics will be considered as socio-semiotics, which takes into account aesthetic values of today's society and also accounts for the complexity of senses.

Trattamento di mobilizzazione ed aferesi di cellule staminali ematopoietiche nei pazienti affetti da beta-talassemia per la terapia genica. Studio cl…

2014

Maģiskā reālisma semiotika filmās

2015

Maģiskais reālisms ir grūti definējams termins, bet viena no tā galvenajām iezīmēm ir dažādu sociālu un psiholoģisku aspektu izpausme. Šī maģistra darba mērķis ir filmu ‘Pusnakts Parīzē’, ‘Pī dzīve’ un ‘Putncilvēks’ semiotiska analīze, balstoties uz Kristiana Meza filmu semiotikas teorijām, tai pašā laikā analizējot arī maģiskā reālisma elementu pielietojumu šajās filmās. Analīze parāda, ka maģiskais reālisms tiek izmantots, lai runātu par tādiem aspektiem, kas maģisko reālismu cieši sasaista ar traumas diskursu. Tomēr nav novērojams, ka režisori izmantotu konkrētu sintagmātiskos tipus, lai uzsvērtu maģiskā reālisma idejas, lai gan redzams, ka ar dažu tipu palīdzību ir iespējams gan salīdzi…

High-Sensitivity Whispering Gallery Mode Humidity Sensor Based on Glycerol Microdroplet Volumetric Expansion

2021

We demonstrate a highly sensitive whispering gallery mode (WGM) relative humidity (RH) sensor based on a glycerol microdroplet. WGMs were excited using a 760 nm tunable semiconductor laser. We used free space coupling, which is effective when using a liquid resonator. A detailed analysis of different parameters influencing the sensor’s characteristics (sensitivity, hysteresis, resolution, stability, and temperature) is presented. The sensitivity of the sensor is one of the highest reported (2.85 nm/% RH in the range 50–70% RH with the resolution 1 × 10−4% RH). This type of humidity sensor has several advantages, such as high sensitivity, extended lifetime, good repeatability, and low cost, …