Search results for "temi"
showing 10 items of 3194 documents
2019
We investigate how and why the Nokia Corporation failed to develop a successful strategic response to the threats of Apple and Google in the smartphone business and instead worsened its situation t...
The Cinematic Representation of the Wild Child: Considering L'enfant sauvage (1970)
2019
In examining François Truffaut's L'enfant sauvage (1970), I will consider the feral child Victor (Jean-Pierre Cargol) with regard to the film's cinematic portrayal as typifying the cultural construction of a child. Following James R. Kincaid, the figure of the child can be seen as a ‘hollow category’, seemingly featureless in its alleged innocence. As a result, it functions as an adult ‘repository of cultural needs or fears’. For this reason, the child, and especially the feral child, can serve as a projection screen for a variety of different and even opposed questions and symbolic constructions. The film effects this subliminally through the portrayal of Victor. This is mainly achieved b…
Baldus and the Limits of Representation
2018
Most contributions on agency and representation in medieval law tend to look at collegiate offices, not individual ones: when, how and to what extent can a plurality of people be represented by a single individual. For individual offices - that is, offices not representing a collectivity - the approach was typically another. From the king to the magistrate, the office was not necessarily viewed as a different subject from that of the individual person discharging it, but rather construed as a series of powers vested in that person. Influenced by canon lawyers (chiefly, Innocent IV), Baldus de Ubaldis on the contrary approached the individual office in the same way as the collegiate one. Irr…
Comparison of effects on crustaceans: carbon nanoparticles and molybdenum compounds nanowires
2013
Carbon nanomaterials (CNM) and molybdenum compound nanostructures are materials with various applications yet little is known regarding the toxicity of these nanoparticles in pristine form in aquatic environment. Daphnia magna standard acute toxicity test (EN ISO 6341:1996; freshwater) and Artemia salina standard acute toxicity test (ArtoxKit standard method; 15 ppt saltwater) were applied to assess the toxicity of non-modified CNM and molybdenum compound nanowires in water. It has been observed that CNM are more toxic in freshwater suspensions and somewhat more toxic than the tested molybdenum compound nanowires.
An analysis of through-thickness residual stresses in aluminium FSW butt joints
2006
Abstract In the paper, the results of a wide experimental campaign on friction stir welding (FSW) of aluminum alloys are reported. The attention was focused on the through-thickness residual stresses that occur on aluminum joints, after the welding process. In detail, using the hole-drilling method the residual stresses distribution in the zone close to the tool shoulder border of the joint advancing side, has been investigated; four different aluminum alloys and three different process conditions have been considered. The experimental analysis has shown that unlike traditional welding processes, the residual stresses are negative in the surface of the examined zone, and increase with depth…
The holonic approach for flexible production: a theoretical framework
2011
This paper discusses the body of knowledge about Holonic Approach to theoretically demonstrate how Holonic Production System (HPS) can be a convincing choice to overcome the problems of traditional production systems? architectures. Today, enterprises are trying to find ways to manage the growing environmental complexity that is well described by Complex Systems Theory (CST). After the focus on the main problem regarding environmental complexity, the Holonic system and the Holonic Production System will be analyzed. The paper will focus the potential of HPS to adapt and react to changes in the business environment whilst being able to maintain systemic synergies and coordination through the…
Environmental comparison between a hot extrusion process and conventional machining processes through a Life Cycle Assessment approach
2014
Nowadays manufacturing technologies have to be evaluated not only for the technical features they can provide to products, but also considering the environmental perspective as well. As long as the technological feasibility of a given process is guaranteed, processes minimizing resources and energy consumption have to be selected for manufacturing. With respect to this topic, the research studies in the domain of metal processing technologies predominantly focus on conventional material removal processes as milling and turning. Despite some exceptions, many other non-machining technologies, such as metal forming processes, are still not well documented in terms of their energy and resource …
New efficient artemisinin derived agents against human leukemia cells, human cytomegalovirus and Plasmodium falciparum: 2nd generation 1,2,4-trioxane…
2015
Abstract In our ongoing search for highly active hybrid molecules exceeding their parent compounds in anticancer, antimalaria as well as antiviral activity and being an alternative to the standard drugs, we present the synthesis and biological investigations of 2nd generation 1,2,4-trioxane-ferrocene hybrids. In vitro tests against the CCRF-CEM leukemia cell line revealed di-1,2,4-trioxane-ferrocene hybrid 7 as the most active compound (IC50 of 0.01 μM). Regarding the activity against the multidrug resistant subline CEM/ADR5000, 1,2,4-trioxane-ferrocene hybrid 5 showed a remarkable activity (IC50 of 0.53 μM). Contrary to the antimalaria activity of hybrids 4–8 against Plasmodium falciparum …
Designing Touchless Gestural Interfaces for Public Displays
Nell’ultimo decennio, molti autori hanno studiato la possibilità di utilizzare le interfacce a gesti come strumento innovativo per supportare l’interazione con i computer. Inoltre, le recenti innovazioni tecnologiche hanno permesso di installare display interattivi in ambienti privati e pubblici. Tuttavia, l’interattività di tali display è spesso basata sull’uso di touchscreen, mentre tecnologie come i dispositivi Kinect-like vengono adottate molto più raramente, soprattutto se si considera l’ambito dei display pubblici. Al giorno d’oggi, l’opportunità di studiare le interfacce touchless per i display pubblici è diventata concreta, e rappresenta il campo di studio di diversi ricercatori. L’…