8,215 research outputs found
The XII century towers, a benchmark of the Rome countryside almost cancelled. The safeguard plan by low cost uav and terrestrial DSM photogrammetry surveying and 3D Web GIS applications
âGiving a bird-fly look at the Rome countryside, throughout the Middle Age central period, it would show as if the multiple city
towers has been widely spread around the territoryâ on a radial range of maximum thirty kilometers far from the Capitol Hill center
(Carocci and Vendittelli, 2004).
This is the consequence of the phenomenon identified with the âIncasalamentoâ neologism, described in depth in the following
paper, intended as the general process of expansion of the urban society interests outside the downtown limits, started from the half
of the XII and developed through all the XIII century, slowing down and ending in the following years. From the XIX century till
today the architectural finds of this reality have raised the interest of many national and international scientists, which aimed to study
and catalog them all to create a complete framework that, cause of its extension, didnât allow yet attempting any element by element
detailed analysis. From the described situation has started our plan of intervention, we will apply integrated survey methods and
technologies of terrestrial and UAV near stereo-photogrammetry, by the use of low cost drones, more than action cameras and reflex
on extensible rods, integrated and referenced with GPS and topographic survey. In the final project we intend to produce some 3D
scaled and textured surface models of any artifact (almost two hundreds were firstly observed still standing), to singularly study the
dimensions and structure, to analyze the building materials and details and to formulate an hypothesis about any function, based even
on the position along the territory. These models, successively georeferenced, will be imported into a 2D and 3D WebGIS and
organized in layers made visible on basemaps of reference, as much as on historical maps
A Dynamic Model for the Cooling Channels of a Boiling Nuclear Reactor with Forced Circulation and High Pressure Level. EUR 4052.
A Possible Function for RNA to DNA Inverted Transcription in Antibody Biosynthesis and Irreversible Differentiation. EUR 4871.
Costax-Boil A Computer Programme of the Costanza Series for the Axial Dynamics of BWR and PWR Nuclear Reactors. EUR 4497.
A New Model for E-Government in Local Level Administrations in Libya
The measurement of e-Government has traditionally focused on assessing website functions and their use, whereas relatively little attention has been given to other aspects of local authority operations, particularly back-office processes. This study provides a maturity stage model for analysing e-Government capability based on Technology, Organisational and Process (TOP) dimensions. For each of these three dimensions, a number of key change factors are identified and assessed to allow a positioning of the organisation in the stage model; and this is applied at individual process level within the organisation, as well as for the organisation as a whole. This paper reports on the initial use of the model in the Sabratha local authority in Libya. This pilot study illustrates the potential of the model in assessing e-Government readiness and identifying opportunities for investment and change. It highlights the need for process improvement to accompany technology deployment, and the key role of organisational factors in bringing about the necessary change for the move to e-Government
Devices based on 2D materials for on-chip amplification of ionization charges
Pixels detectors are widely used ionizing radiation detection devices in high-energy physics (HEP)experiments. Segmented detectors have been employed for many years due to the need to simul-taneously track the thousands of particles emerging from modern colliders. For more preciseand accurate measurements one would like to have faster, less noisy and smaller pixels, but cur-rent technology imposes several limits on these characteristics. The aim of this work is to ex-plore the possible applications of bi-dimensional materials such as Graphene or transition metaldichalcogenide monolayers (TMDs) to address these problems. In particular, one wants to de-termine whether nano-electronic devices based on 2D materials could be used to obtain built-inpre-amplification of the pixel signal, thus achieving better detection performance. The workingprinciple is the field-effect modulation of the channel conductivity in a 2D material-based tran-sistor, due to the presence of ionization charges in a silicon absorber. Several architectures aretested, and a final device of choice is presented, with a sketch of a realistic readout system andits noise figure. The conductance modulation due to incoming particles is found to be more than30%, resulting in a strong current signal, which leads to very favourable signal-to-noise ratios (SNR)
Asymptotic stability of the Cauchy and Jensen functional equations
The aim of this note is to investigate the asymptotic stability behaviour of
the Cauchy and Jensen functional equations. Our main results show that if these
equations hold for large arguments with small error, then they are also valid
everywhere with a new error term which is a constant multiple of the original
error term. As consequences, we also obtain results of hyperstability character
for these two functional equations
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