313 research outputs found
XX incontro annuale della European Association of Archaeologists (EAA) (Istanbul, 10-14 settembre), session “Pottery as Experiment: Shifting and Adapting Production Technologies, Functions and Styles. Opening Remarks”
No full textOrganizzazione complessiva della sessione (con M.C. Biella, O. Cerasuolo, M. Revello Lami). Elaborazione della sessione e parziale coinvolgimento nella selezione dei paper da accettare. Organizzazione della struttura della sezione e contatto con i singoli autori. Curatore e autore del volume degli atti (in corso di edizione)
Tracing the mundane: circulation of Coarse Cream Ware in Central Italy between the sixth and fourth centuries BC
No full textThe study of trading networks in Central Tyrrhenian Italy during the Archaic period usually revolves around luxury items, such as wine, oil, unguents and perfumes. These luxury items are considered to follow the same trading routes as amphorae and decorated fine wares. However, these artefacts are not the only surviving fragments of ancient trade networks: everyday household wares often circulated along the same geographical routes, and the wide diffusion of Coarse Cream Ware (hereafter CCW) provides an exemplary case study
El campo de la bioética en un mundo globalizado
No full textIn this work, Father Rubén Revello, analyses the way in which
globalization, which together with the advent of new technologies of information and communication produce a new space by reducing
the distances to zero, make it necessary to think a different proposal for the global ethical realm.
In the first section, the author summarizes the present globalized
world; in the second section, he will present the underlying causes; and in the third and last section, he will consider two different and possible proposals.En este trabajo, el Pbro. Lic. Rubén Revello, analiza el modo en que la globalización, que en conjunción con la irrupción de las nuevas tecnologías de la información y la comunicación, producen un nuevo
espacio al reducir al instante cero las distancias, hace necesario pensar una propuesta distinta para el ámbito de la ética global.
En el primer apartado, el autor resume la actualidad del mundo
globalizado; en el segundo, se ocupará de establecer las causas subyacentes; para pasar en el tercer y último apartado a considerar dos posibles propuestas distintas
El campo de la Bioética en un mundo globalizado
No full textResumen: En este trabajo, el Pbro. Lic. Rubén
Revello, analiza el modo en que la
globalización, que en conjunción
con la irrupción de las nuevas tecnologías
de la información y la
comunicación, producen un nuevo
espacio al reducir al instante cero
las distancias, hace necesario pensar
una propuesta distinta para el
ámbito de la ética global.
En el primer apartado, el autor
resume la actualidad del mundo
globalizado; en el segundo, se ocupará
de establecer las causas subyacentes;
para pasar en el tercer y
último apartado a considerar dos
posibles propuestas distintas.Abstract: In this work, Father Rubén Revello,
analyses the way in which
globalization, which together with
the advent of new technologies of
information and communication
produce a new space by reducing
the distances to zero, make it
necessary to think a different
proposal for the global ethical
realm.
In the first section, the author
summarizes the present globalized
world; in the second section, he will
present the underlying causes; and
in the third and last section, he will
consider two different and possible
proposals
PRELIMINARY DESIGN OF THE GUIDANCE AND CONTROL SYSTEM OF A LUNAR DRONE
No full textThis paper presents the preliminary design of the Guidance and Control System of a lunar nano (LuNaDrone). This small, rocket-propelled spacecraft is equipped with autonomous navigation, which provides the drone with the ability to fly over the lunar surface. The extreme mobility capabilities of this spacecraft allow a wide range of applications, from exploring sites of interest to last-mile delivery of small payloads. One of the most demanding use-case scenarios is the exploration of lunar pits, which are particularly interesting as some of them may provide access to underground lava tubes. This application is the one considered for the preliminary design of LuNaDrone’s guidance and control system. The flight profile for this mission is a fixed altitude trajectory that can be subdivided into a sequence of elementary manoeuvres. The guidance algorithm presented in this paper allow for the evaluation of the desired state and ideal controls at each point of the trajectory. The tuning of the controller, a Finite-Horizon Linear Quadratic Regulator (LQR), is obtained from a full factorial design of experiments and refined through numerical optimization to ensure precise navigation while minimizing propellant consumption. The method presented in this paper successfully results in a fully functioning preliminary version of the LuNaDrone guidance and control syste
Human cytomegalovirus infection of the major leukocyte subpopulations and evidence for initial viral replication in polymorphonuclear leukocytes from viremic patients
No full textFourteen immunocompromised patients were examined for viremia, pp65 and p72 antigenemia, and presence of viral DNA in leukocyte fractions of polymorphonuclear leukocytes (PMNL), monocytes/macrophages (M/M), and B and T lymphocytes after purification by fluorescence-activated cell sorting. Nearly all PMNL and M/M fractions were positive for DNA and pp65 antigenemia, while p72 antigenemia was detected in 73% and 62%, respectively. The virus isolation rate was 45% from PMNL and 17% from M/M. T lymphocytes were positive for DNA in 50% of cases and for pp65 and p72 antigenemia in only 11%, while B lymphocytes were DNA-positive in 43% of samples and consistently negative for antigenemia; neither T nor B lymphocytes had virus isolated. Immediate-early (IE)1 RNA was present in 23 (85.2%) of 27 dextran-enriched DNA-positive p72-positive PMNL samples and, in sequential PMNL samples from two heart-transplanted patients, was detected during peak infection in association with p72. Thus, PMNL and M/M are the subpopulations primarily involved in HCMV infection; PMNL may undergo IE replicative events and are not merely passive carriers of phagocytized viral material
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