cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Penetration depth of Cooper pairs in the IrMn antiferromagnet
Creators: name: Seeger, R. L.
name: Forestier, G.
name: Gladii, O.
name: Leiviskä, M.
name: Auffret, S.
name: Joumard, I.
name: Gomez, C.
name: Rubio-Roy, M.
name: Buzdin, A. I.
name: Houzet, M.
name: Baltz, V.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Suppression of superconductivity due to the proximity effect between a superconductor and a ferromagnet can be partially alleviated when a Cooper pair simultaneously samples different directions of the short-range exchange field. The superconductor's critical temperature, TC, is therefore expected to partially recover when the ferromagnet is in a multi-domain state, as opposed to a single-domain state. Here, we discuss series of experiments performed with ferromagnet(Pt/Co)/spacer(IrMn and Pt)/superconductor(NbN) heterostructures. By tuning the various parameters in play, e.g., superconducting coherence length-to-thicknesses ratio, and domain sizes, we obtained up to 10 percent recovery of the superconducting critical temperature ΔTC/TC. This large-scale recovery made novel investigations possible. In particular, from the spacer thickness-dependence of ΔTC/TC, it was possible to deduce the characteristic length for Cooper pair penetration in an IrMn antiferromagnet. This information is crucial for electronic transport, and up to now has been difficult to access experimentally for antiferromagnets.
Forme di vita e relazione educativa
Creators: name: Segreto, Viviana
Publisher: name: Studi sulla Formazione
Year: 2015

description: The aim of this paper is to show that the main object of pedagogical research is relationship among people who share the same context. The analysis follows a linguistic approach, from a theoretical and metaphysical kind of language to a language of forms of life.
 After the linguistic turn, particularly in Ludwig Wittgenstein, forsaking a Platonic language means throwing language in forms of life, and blending it with people and their lives. So an educational process has to leave the unique, traditional pattern to open itself to different voices of life.
description: Studi sulla Formazione, Anno XVII, 2-2014
Database Structure
Creators: name: Koymans, Mathijs
name: Dalfsen, Elske De Zeeuw-Van
name: Carbone, Daniele
name: Cannavò, Flavio
name: Messina, Alfio
Publisher: name: Zenodo
Year: 2019
Subjects: database
NEWTON-g
FAIR principles

description: This is deliverable D3.1 – Database Structure – of the H2020 FET-Open project NEWTON-g (GA No 801221). This document was produced in the framework of WP3 (On-field application).
 The aim of this document is to present our strategy for storing and sharing NEWTON-g data, in compliance with the FAIR guiding principles.
Εκτίμηση των φυσικοχημικών και των μικροβιολογικών παραμέτρων της σάρκας του σαυριδίου, ανάλογα με την εποχή του έτους, με σκοπό την αξιοποίηση της για την παρασκευή ιχθυοσκευασμάτων
Creators: name: Τζήκας, Ζήσης Δ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2007
Subjects: Συντήρηση(ψύξη-κατάψυξη)
Μορφοποιημένα ιχθυοσκευάσματα
Μικροβιολογική τρανσγλουταμινάση
Microbial transglutaminase
Storage
Restructured product

description: Σκοπός της έρευνας αυτής ήταν η μελέτη της μεταβολής των φυσικοχημικών και των μικροβιολογικών παραμέτρων της σάρκας του σαυριδιού(Trachurus mediterraneus) κατά τη διάρκεια του έτους με απώτερο σκοπό την ορθότητα αξιοποίησή της. Τα αποτελέσματα των χημικών και μικροβιολογικών εξετάσεων έδειξαν ότι η σάρκα των σαυριδιών θα μπορούσε να αποτελέσει μια πρώτη ύλη κατάλληλη για μεταποίηση ανεξάρτητα από την εποχή του έτους, εξαιτίας της σημαντικής ομοιογένειας της ως προς τη χημική της σύσταση και τη μικροβιολογική της κατάσταση. Τα αποτελέσματα των οργανοληπτικών(μέθοδος EC), φυσικοχημικών και μικροβιολογικών εξετάσεων έδειξαν ότι τα σαυρίδια καθίστανται ακατάλληλα μετά από 10 ημέρες συντήρησης στον πάγο. Για την ποιοτική αξιολόγηση της σάρκας του σαυριδιού κατά τη διάρκεια της συντήρησής της στην κατάψυξη(-18οC) υπό κενό πραγματοποιήθηκαν οργανοληπτικές, φυσικοχημικές(pH, ΙΣΥ) και χημικές (υδρόλυση και οξείδωση του λίπους) εξετάσεις, οι οπόίες έδειξαν ότι αυτή μπορεί να καταναλωθεί μετά από συντήρηαη σχεδόν 16 μηνών. Η αξιοποίηση της σάρκας του σαυριδιού μπορεί να γίνει με την παρασκευή ενός μορφοποιημένου ιχθυοσκευάσματος με την προσθήκη αλατιού(1 και 2%) και του ενζύμου μικροβιακή τρανσγλονταμινάση(0,5 και 1%). Τα αποτελέσματα έδειξαν σημαντική βελτίωση των μηχανικών, λειτουργικών και οργανοληπτικών ιδιοτήτων του προϊόντος όταν προστέθηκαν τα δύο συστατικά σε συνδυασμό και σε αυξανόμενες ποσότητες
description: The aim of this work was to determine the physicochemical parameters and the microbiological quality of Mediterranean horse mackerel had a shelf-life of 10 days during storage in ice. The physicochemical and chemical changes, ligid hydrolysis and oxidation damage, and sensory acceptance of mediterranean horse marcerel muscle kept under vacuum during 20 months of frozen storage at -18oC were studied. Teh quality parameters were found to be at a level of acceptance during almost 16 months. Restructured mediterranean horse marcerel products without cooking could be obtained using salt(1 and 2%) and microbial transglutaminase(0,5 and 1%). Increasing the amount of both additives improves the mechanical and sensory properties of these restructured products
A quantum mechanical relation connecting time, temperature, and cosmological constant of the universe: Gamow's relation revisited as a special case
Creators: name: Mishra, Subodha
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: Considering our expanding universe as made up of gravitationally interacting particles which describe particles of luminous matter and dark matter and dark energy which is described by a repulsive harmonic potential among the points in the flat 3-space, we derive a quantum mechanical relation connecting, temperature of the cosmic microwave background radiation, age, and cosmological constant of the universe. When the cosmological constant is zero, we get back the Gamow's relation with a much better coefficient. Otherwise, our theory predicts a value of the cosmological constant $2.0 10^{-56} {\rm {cm^{-2}}}$ when the present values of cosmic microwave background temperature of 2.728 K and age of the universe 14 billion years are taken as input.
description: 4 pages, 1 figure, Study of the Universe from a condensed matter point of view, section III corrected with a single body potential
Note sulla fanciullezza nel pensiero di Leopardi
Creators: name: Zedda, Michele
Publisher: name: Studi sulla Formazione
Year: 2015

description: Childhood is a central topic in Leopardi’s literary production. The poet describes the child’s mind very carefully: his memory, imagination, attention and his pe- culiar points of view. These descriptions haven’t a direct pedagogical purpose, but it is possible to find in them important ideas on education.
description: Studi sulla Formazione, Anno XVII, 2-2014
Μοριακή ανάλυση των φαινότυπων του αντιγόνου D του αντιγονικού συστήματος Rhesus και μελέτη της πολυμορφίας του
Creators: name: Σταμνά, Αικατερίνη Γ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Αντιγονικό Σύστημα Rhesus
Πολυμορφία
Rhesus system
Variations

description: Η εργασία αυτή αφορά την πληθυσμιακή καταγραφή και μελέτη του ποσοστού των ποικιλιών του αντιγόνου D του συστήματος Rhesus σε δείγμα ελληνικού πληθυσμού με τη χρήση μοριακών τεχνικών. Επίσης με σκοπό τον προσδιορισμό του εμβρυϊκού RHD γονιδίου προγεννητικά, με μη επεμβατική μέθοδο, εφαρμόσαμε γονοτυπική τυποποίηση του εμβρυϊκού DNA στο πλάσμα εγκύων γυναικών Rh(-), με κατάλληλη μοριακή τεχνική. Από τους 4034 αιμοδότες που ελέγξαμε 14 χαρακτηρίστηκαν γονοτυπικά, 10 ως weak D τύπος 1 και 4 ως weak D τύπος 3. Το ποσοστό εμφάνισης των φαινοτυπικών ήταν 0,347%. Για τον προσδιορισμό του Rhd γονιδίου χρησιμοποιήσαμε την τεχνική της real-time PRC σε 48 έγκυες Rhd(-). Ο προσδιορισμός του αντιγόνου Rhd στα νεογνά ορολογικά ήταν σε πλήρη συμφωνία με εκείνες της γονοτυπικής τυποποίησης στο μητρικό πλάσμα
description: The present study was undertaken to establish the frequences of variants and weak D types of Rhesus D in a sample of greek population with the use of molecular techniques. Furthermore we try to determine the accuracy of the non-invasive prenatal determination of fetal Rhd genotyping, in Rhd(-) pregnant women, with the use of real-time PCR. From 4034 blood donors, 14 characterized as weak D, 10 as weak D type 1 and 4 as a weak D type 3. The frequency of weak D in our sample was 0.347%. For fetal Rhd genotyping, we analysed 48 Rhd(-) pregnant women. The fetal Rhd genotype, in all cases, matched in 100% with the results obtained from Rhd serological typing of the newborn
On The Relationship between (16,6,3)-Designs and (25,12) Self-Orthogonal Codes
Creators: name: Esfahani, Navid Nasr
name: van Rees, G. H. John
Publisher: name: arXiv
Year: 2021
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: F.2.2
subject: 05B05

description: Binary self-orthogonal codes and balanced incomplete block designs are two combinatorial configurations that have been much studied because of their wide areas of application. In this paper, we have shown the distribution of (16; 6; 3)-designs in binary (25,12) self-orthogonal codes. The paper also presents the relationships among the codes with embedded designs.
Βιοχημική διερεύνηση της παθοβιολογίας του αποφολιδωτικού συνδρόμου των οφθαλμών
Creators: name: Οικονομοπούλου, Μαρία Θ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Εξωκυττάρια ουσία
Οξειδωτικό στρες
Υδατοειδές υγρό
Μεταλλοπρωτεάσες
Extracellular matrix
Oxidative stress
Aqueous humour
Metalloproteases

description: Το σύνδρομο αποφολίδωσης(ΣΑ) είναι μια γενικευμένη διαταραχή της εξωκυττάριας ουσίας, που χαρακτηρίζεται από προοδευτική άθροιση εξωκυττάριου υλικού λόγου προοδευτικής σύνθεσης και μη αποτελεσματικής αποικοδόμησής του. Στην ανάπτυξη του ΣΑ εμπλέκεται το οξειδωτικό στρες, οπότε η μελέτη παραγόντων που σχετίζονται με το οξειδωτικό στρες, π.χ. αυξητικοί παράγοντες, ενδοθηλίνες, μεταλλοπρωτεάσες, ισοπροστάνια κα., μπορεί να συμβάλλει στη διερεύνηση της παθοβιολογίας του συνδρόμου. Στις μελέτες μας χρησιμοποιήσαμε δείγματα υδατοειδούς υγρού και δείγματα κυττάρων ηθμοειδούς πετάλου. Οι μέθοδοι που χρησιμοποιήσαμε ήταν α)ενζυμικές και ανοσοχημικές, β)ζυμογραφία, γ)κυτταροκαλλιέργειες. Διαπιστώσαμε αύξηση των παραγόντων που συμμετέχουν στο οξειδωτικό στρες(TGF-β1, 8-IPGF2a, επίπεδα καρβονυλίωσης πρωτεϊνών, ΕΤ-1), μείωση των ζελατινασών και του ασκορβικού οξέος, καθώς και αλληλεπίδραση μεταξύ των παραγόντων που εμπλέκονται στο οξ. στρες
description: Exfoliation syndrome(XFS) is a generalised disorder of extracellular matrix components, due to excessive synthesis and defective degradation of them. Oxidative stress is involved in the development of XFS, so the study of factors related to XFS, i.e. growth factors, endothelines, metalloproteases, isoprostanes e.t.c., can contributte to the investigation of the syndrome's pathobiology. In our studies we used aqueous humour samples and trabecular meshwork cell samples. We used i)enzyme-assays and immuno-assays, ii)zymography, iii)cell cultures. We observed an increase in the factors involved in oxidative stress(TGF-b1, 8-IPGF2a, carbonylation levels of proteins, ET-1), a decrease in gelatinases and ascorbic acid and interactions between the factors involved in oxidative stress
Hauling out behaviour of harbour seals : (Phoca vitulina richardsi), with particular attention to thermal constraints
Creators: name: Watts, Peter
Publisher: name: University of British Columbia
Year: 2011

description: Harbour seals throughout their range are known to "haul out" onto land according to a daily cycle, which has never been fully investigated. This cycle may represent a tradeoff between the need to forage and the need to avoid aquatic predators; if so, seals should forage when prey availability is greatest and remain hauled at other times. A model based upon these premises accounted for approximately two thirds of the variation in observed hauling behaviour at a harbour seal colony in the Strait of Georgia, once other environmental effects had been filtered from the data. Some such effects could not be corrected for; since air temperature and solar radiation follow the same general pattern as that predicted by the hauling model, the possibility that hauling occurs in response to thermal conditions could not be excluded. This issue was addressed by correlating hauling activity at three seal colonies with "flux" Fs, an index of heat exchange between a seal and its environment. Once time of day and tidal effects were accounted for, there was no evidence of a positive correlation between hauling and Fs. However, under warm summer conditions there was a steep negative relationship. This is consistent with the possibility that hauled harbour seals are vulnerable to hyperthermia due to their adaptation to an aquatic lifestyle; the same blubber layer which keeps them warm when immersed may make it difficult for them to lose excess heat when on land. This was confirmed by a series of controlled experiments. Captive seals overheated when exposed to a radiant thermal environment similar to that in which wild animals stopped hauling. These data allowed me to derive an equation which described the rate of change in a seal's core temperature as a function of both present core temperature and Fs. I incorporated this function into a simulation model which described hauling behaviour in terms of a foraging/predator-avoidance tradeoff. The model performed well when used to predict the haul out durations of a sample of wild radio-tagged harbour seals in a known thermal environment. However, it is apparent that the processes which constrain hauling in this species are somewhat better understood than those which presumably cause it. An understanding of the foraging efficiency of harbour seals throughout the day, and of the predation risks they face, is probably fundamental to an understanding of hauling; yet these issues remain virtually unexplored.
Διαγνωστική προσέγγιση με ορμονικές δοκιμασίες και FNA όρχεων σε άνδρες μα γνωστά αίτια υπογονιμότητας
Creators: name: Μίκος, Θεμιστοκλής Δ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Ορμονικές δοκιμασίες
Ανασταλτίνη Β
Αζωοσπερμία
Hormonal tests
Inhibin B
Azoospermia

description: Σκοπός της μελέτης ήταν ο προσδιορισμός της χρησιμότητας των ορμονικών δοκιμασιών της FNA όρχεων στη διερεύνηση υπογόνιμων ανδρών με γνωστά αίτια υπογονιμότητας. Πρόκειται για μια προοπτική μελέτη, ελεγχόμενη με ομάδα μαρτύρων, που διεκπεραιώθηκε από τη Μονάδα Ενδοκρινολογίας Αναπαραγωγής της Α' Μαιευτικής Γυναικολογικής Κλινικής του Α.Π.Θ. Συμμετείχαν 153 υπογόνιμοι άνδρες και 31 άνδρες με αποδεδειγμένη πρόσφατη πατρότητα ως ομάδα ελέγχου
description: The aim of the study was to explore the value of inhibin b and testicular FNA in the clinical investigation of men with known causes of subfertility. This was a prospective, controlled study that took place in the Unit of Reproduction of Endocrinology of Thessalonica, 1st Department of Obstetrics & Gynecology, Aristotle University of Thessalonica, Greece. From 2002 to 2006, 153 subfertile men were seen in the unit and 31 men with recent proven fecundity served as the control group
Rough translation of file 029_B (collection LA 256)
Creators: name: Parker, Verdena
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2020
Subjects: subject: hup

description: Audio files VP-150715-03 and VP-150715-04: Rough translation (30 second to 3-4 minute chunks) of file 029_B (tape 29, side B) from LA 256 (collection of recordings given to the Berkeley Language Center by Verdena), from 24:36 to 40:02 (VP-150715-03) and 40:02 to end of side (VP-150715-04); no transcription in this session, translation only. Due to re-numbering, tape 29_B has been assigned the CLA item number LA 256.029.002. Discussion removed from public access out of respect for privacy and/or cultural considerations.
Discrete Max-Linear Bayesian Networks
Creators: name: Hollering, Benjamin
name: Sullivant, Seth
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistics Theory (math.ST)
subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 13P25, 14M25

description: Discrete max-linear Bayesian networks are directed graphical models specified by the same recursive structural equations as max-linear models but with discrete innovations. When all of the random variables in the model are binary, these models are isomorphic to the conjunctive Bayesian network (CBN) models of Beerenwinkel, Eriksson, and Sturmfels. Many of the techniques used to study CBN models can be extended to discrete max-linear models and similar results can be obtained. In particular, we extend the fact that CBN models are toric varieties after linear change of coordinates to all discrete max-linear models.
description: 9 pages, 3 figures
Σημασιολογική αναπαράσταση και διαχείριση γνώσης υπολογιστικών προβλημάτων ιατρικής
Creators: name: Μπράτσας, Χαράλαμπος Π.
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Σημασιολογική αναπαράσταση γνώσης
Οντολογίες
Ιατρικοί αλγόριθμοι
Semantic knowledge pepresentation
Ontologies
Medical algorithms

description: Σκοπός της παρούσας διατριβής ήταν η αρχική ανάπτυξη σημασιολογικών περιγραφών Υπολογιστικών Προβλημάτων Ιατρικής(ΥΠΙ) καθώς και της διαχείρισης της προκύπτουσας από αυτές γνώσης. Με τον όρο ΥΠΙ αναφέρονται τα ιατρικά προβλήματα, η λύση των οποίων είναι ένας αλγόριθμος που βασίζεται σε μαθηματικά ή στατιστικά μοντέλα και υλοποιείται μέσω τεχνολογιών πληροφορικής
description: The purpose of the present thesis was the initial developement of semantic descriptions of Medical computational Problems(MCPs) and the management of resulting knowledge. Defined by the term MCPs are medical problems the solution of which is an algorithm based on mathematical or statistical models and is implemented through Information Technologies(IT)
Observable Predictions from Perturber-coupled High-eccentricity Tidal Migration of Warm Jupiters
Creators: name: Jackson, Jonathan M.
name: Dawson, Rebekah I.
name: Shannon, Andrew
name: Petrovich, Cristobal
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The origin of warm Jupiters (gas giant planets with periods between 10 and 200 days) is an open question in exoplanet formation and evolution. We investigate a particular migration theory in which a warm Jupiter is coupled to a perturbing companion planet that excites secular eccentricity oscillations in the warm Jupiter, leading to periodic close stellar passages that can tidally shrink and circularize its orbit. If such companions exist in warm Jupiter systems, they are likely to be massive and close-in, making them potentially detectable. We generate a set of warm Jupiter-perturber populations capable of engaging in high-eccentricity tidal migration and calculate the detectability of the perturbers through a variety of observational metrics. We show that a small percentage of these perturbers should be detectable in the Kepler light curves, but most should be detectable with precise radial velocity measurements over a 3-month baseline and Gaia astrometry. We find these results to be robust to the assumptions made for the perturber parameter distributions. If a high-precision radial velocity search for companions to warm Jupiters does not find evidence of a significant number of massive companions over a 3-month baseline, it will suggest that perturber-coupled high-eccentricity migration is not the predominant delivery method for warm Jupiters.
description: 21 pages, 11 figures, 1 table, submitted to AAS journals and revised following comments from referee
Measurements of time-dependent CP violation in $B^0 \to ωK_S^0$, $f_0(980) K_S^0$, $K_S^0 π^0$ and $K^+ K^- K_S^0$ decays
Creators: name: Belle Collaboration
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present measurements of time-dependent CP asymmetries in $B^0 \to ωK_S^0$, $f_0 (980) K_S^0$, $K_S^0 π^0$ and $K^+ K^- K_S^0$ based on a sample of 535 $\times 10^6$ $B\bar{B}$ pairs collected at the $Υ(4S)$ resonance with the Belle detector at the KEKB energy-asymmetric $e^+ e^-$ collider. One neutral $B$ meson is fully reconstructed in one of the specified decay channels, and the flavor of the accompanying $B$ meson is identified from its decay products. CP-violation parameters for each of the decay modes are obtained from the asymmetries in the distributions of the proper-time intervals between the two B decays.
description: 10 pages, 3 figures
Ophichthus lithinus
Creators: name: Rasel Mia, M. D.
name: Selim, Shamsur Rahman
name: Rahman, Md Habibur
name: Islam, Md Jayedul
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Anguilliformes
Ophichthidae
Ophichthus
Ophichthus lithinus

description: Ophichthus lithinus (Jordan & Richardson, 1908)
Marbled snake eel [Fig. 2a, b & c]
Material examined: RF2001SM-1, 1 ex., 693 mm SL, Bangladesh: Cox’s Bazar, Teknaf, Bay of Bengal, Saint Martin’s Island (20°36’39.6”N, 92°19’37.2”E), 01.01.2020, R. Mia & S. R. Selim.
Description: Body and head brownish, a large dark spot at mid-head; dorsal part of body with brown irregular blotches, ventral part pale. A white rounded band presents behind the pectoral fin origin and gill opening. Fin pale. Body cylindrical, elongate, tapering and laterally compressed posteriorly. Snout and tail tip pointed, barbell present beneath mid-snout, anus at midbody. Maxilla reaching well behind eye, lower jaw shorter than upper jaw, pectoral fin elongated but not pointed dorsal fin origins in the middle of the pectoral fin. Anterior nostril tubular and more or less half of eye diameter, head pore small, suborbital with 5 pores, infraorbital with 7 pores, lower jaw with 4 pores, preopercular with 3 pores, lateral line pores small and difficult to count completely. Teeth strong but short, conical and well separated from each other at base, anterior portion of maxilla with 6 teeth in rosette arrangement. Uniserial vomerine teeth in single row gradually decreasing in size, uniserial maxillary teeth and equal in size. Uniserial mandibular teeth, first one very small and others equal in size. Morphometric count and measurements of O. lithinus given into Table 1 and Figure 2a–c.
description: Published as part of Rasel Mia, M. D., Selim, Shamsur Rahman, Rahman, Md Habibur & Islam, Md Jayedul, 2022, First record of Marbled snake eel, Ophichthus lithinus (Jordan & Richardson 1908) (Ophichthidae: Anguilliformes) from Bangladesh marine water, pp. 37-42 in Records of the Zoological Survey of India 122 (1) on page 38, DOI: 10.26515/rzsi/v122/i1/2022/155991, http://zenodo.org/record/10966842
Βέλτιστες/νέες αρχιτεκτονικές πληροφοριακών συστημάτων με στόχο την αύξηση παραγωγικότητας και ποιότητας περιφερειακών υπηρεσιών υγείας
Creators: name: Σπύρου, Στεργιανή Σπ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Περιφερειακά δίκτυα υγείας
Αξιοπιστία
Ηλεκτρονική υγεία
Regional health systems
Reliability
e-Health

description: Στην εργασία αυτή μελετήθηακν θέματα που αφορούν την ποιότητα των ενοποιημένων υπηρεσιών στα συστήματα υγείας ώστε να επιτευχθεί η κοινή χρήση της πληροφορίας σε οποιοδήποτε σημείο των δικτύων υγείας. Μελετήθηκαν τα θέματα ποιότητα στις διαδικασίες υγείας, ώστε να διασφαλιστεί η ροή των δεδομένων και η κοινή χρήση πληροφορίας. Στόχος της εργασίας ήταν η παρουσίαση μιας καινοτόμου μεθοδολογίας για τηνεκτίμηση των δεικτών ποιότητας στα συστήματα που υποστηρίζουν τα Περιφερειακά Δίκτυα Υγείας(ΠΔΥ) και η εφαρμογή της μεθοδολογίας ώστε να εντοπιστούν οι κρίσιμες διαδικασίες ή τα αδύναμα σημεία των διαδικασιών των συστημάτων δικτύων υγείας. Οι εκτιμήσεις αξιοπιστίας ή γενικότερα ποιότητας που εξάγονται από την εφαρμογή της μεθοδολογίας μπορεί να οδηγήσουν σε ανασχεδιασμό ή βελτίωση διαδικασιών και συστημάτων υπηρεσιών υγείας
description: In this study, issues related to the quality of integrated services in the health systems area were addressed with the ultimate aim the sharing of information at any point of the network. The main objective of the study was an innovative methodology for the assessment of quality indicators in the systems that support the Religion health Networks(RHN) and the application of methodology so that the critical processes or the feeble points of processes of systems supporting the Regional Health Networks are tracked. Teh assessment of the reliability and generally of the quality of the health services are the result from the application of methodology. The results could lead to reengineering and improvement of the processes of health systems
New mechanism of generation of large-scale magnetic fields in merging protogalactic and protostellar clouds
Creators: name: Rogachevskii, I.
name: Kleeorin, N.
name: Chernin, A. D.
name: Liverts, E.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: A new mechanism of generation of large-scale magnetic fields in colliding protogalactic clouds and merging protostellar clouds is discussed. Interaction of the colliding clouds produces large-scale shear motions which are superimposed on small-scale turbulence. Generation of the large-scale magnetic field is due to a ''shear-current" effect (or "vorticity-current" effect), and the mean vorticity is caused by the large-scale shear motions of colliding clouds. This effect causes the generation of the mean magnetic field even in a nonrotating and nonhelical homogeneous turbulence. There is no quenching of the nonlinear shear-current effect contrary to the quenching of the nonlinear alpha effect, the nonlinear turbulent magnetic diffusion, etc. During the nonlinear growth of the mean magnetic field, the shear-current effect only changes its sign at some value of the mean magnetic field which determines the level of the saturated mean magnetic field. Numerical study shows that the saturated level of the mean magnetic field is of the order of the equipartition field determined by the turbulent kinetic energy. The estimated large-scale magnetic field for merging protogalactic clouds is about several microgauss, and for merging protostellar clouds is of the order of several tenth of microgauss.
description: 4 pages, 2 figures, Astron. Nachr., in press
Quantum thermodynamic functions for an oscillator coupled to a heat bath
Creators: name: Ford, G. W.
name: O'Connell, R. F.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Small systems (of interest in the areas of nanophysics, quantum information, etc.) are particularly vulnerable to environmental effects. Thus, we determine various thermodynamic functions for an oscillator in an arbitrary heat bath at arbitrary temperatures. Explicit results are presented for the most commonly discussed heat bath models: Ohmic, single relaxation time and blackbody radiation.
description: Phys. Rev. B, in press
AY Peg, a large amplitude Algol-type star
Creators: name: Boistel, Guy
name: Ferrand, Stephane
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The present paper gives new elements for the light variations of the EA variable star AY Peg, on the basis of new times of minimum performed visually and with ccd by members of GEOS between 1985 and 2018, and the ASAS-SN set of data available. On one hand, we can establish a new ephemeris with a possible quadratic term, and on the other hand, the amplitude of the primary minimum appears much deeper than the one given in GCVS. AY Peg varies between 13.1 and 15.6 magnitude at its primary eclipse.
description: 6 pages, 5 figures, 1 table of minima
The elliptical galaxies NGC 1052 and NGC 7796: stellar populations and abundance alpha/Fe ratio
Creators: name: Milone, A. de C.
name: Rickes, M. G.
name: Pastoriza, M. G.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Context: The spatial distribution of the stellar populations inside a spheroidal system and their kinematical properties supply important informations about the formation process. Aims: We have performed a detailed stellar population analysis using long slit spectroscopic observations up to almost one effective radius of two different early-type galaxies of low density regions of the local Universe: NGC 1052, a E4 Liner prototype of a loose group that has a stellar rotating disc, and NGC 7796, a E1 of the field which shows a kinematically distinct core. The mean luminosity-weighted stellar age, metallicity, and alpha/Fe ratio along both photometric axes of them have been obtained in order to reconstruct the star formation history in their kinematically distinct subsystems. Methods: We have measured Lick indices and computed their radial gradients. They were compared with the predicted ones of simple stellar population models. We have also applied a stellar population synthesis. Results: The star characteristics are associated with their kinematics: they are older and alpha-enhanced in the bulge of NGC 1052 and core of NGC 7796, while they show a strong spread of alpha/Fe and age along the disc of NGC 1052 and an outwards radial decreasing of them outside the core of NGC 7796. The age variation is possibly connected to the alpha/Fe one. Conclusions: Both galaxies were formed by processes in which the star formation occurred firstly at the bulge (NGC 1052) and nucleus (NGC 7796) 12-15 Gyr ago on short timescales (0.1-1 Gyr) providing an efficient chemical enrichment by SN-II. In the disc of NGC 1052, there is some spread of age and formation timescales around its stars. In NGC 7796, the star formation timescale had some outwards radial increasing along both axes.
description: 26 pages, 27 figures, accepted for publication in A&A
Φυσιολογία και ποιότητα νωπού τεμαχισμένου πράσου (Allium porrum L.)
Creators: name: Τσουβαλτζής, Παύλος Ι.
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Αύξηση φύλλου
Θερμική μεταχείριση
Ελεγχόμενη ατμόσφαιρα
Leaf growth
Heat treatment
Controlled atmosphere

description: Η σημαντικότερη μεταβολή που παρατηρείται στους τεμαχισμένους "ψευδοβλαστούς" πράσου κατά τη διατηρησή τους είναι η αύξηση των φύλλων τους. Προσδιορίσθηκε επακριβώς η ζώνη όπου παρατηρείται η αύξηση σε τρείς στοιβάδες φύλλων(εσωτερική, μεσαία και εξωτερική) των τεμαχισμένων "ψευδοβλαστών", καθώς και η μεταβολική τους δραστηριότητα. Η μεγαλύτερη αύξηση παρατηρήθηκε στα εσωτερικά φύλλα και ειδικότερα στο κατώτερο τμήμα τους (0-2 cm), όπου από ανατομική μελέτη που πραγματοποιήθηκε προέκυψε, ότι τα κύτταρα βρίσκονται σε νεανικό στάδιο ανάπτυξης με έντονη μεταβολική δραστηριότητα. Η αφαίρεση του κατώτερου τμήματος 2cm των 'ψευδωβλαστών', η διατήρησή τους σε 1% Ο2 και η θερμική μεταχείριση(εμβάπτιση σε νερό 50 oC για 40-60 min, 52,5 oC για 25-35 min, 55 oC για 17,5-20 min και 57,5 oC για 10-15 min) ελαχιστοποίησε την αύξηση των εσωτερικών φύλλων. Ο συνδυασμός της θερμικής μεταχείρισης, της αφαίρεσης της βάσης και της διατήρησης σε τροποποιημένη ατμόσφαιρα ανέστειλε την αύξηση των φύλλων. Η ανασταλτική επίδραση της θερμικής μεταχείρισης στην αύξηση των φύλλων συνοδεύτηκε από τροποποίηση της ατμόσφαιρας στο εσωτερικό των τεμαχισμένων 'ψευδοβλαστών' με μείωση του Ο2 και αύξηση του CO2
description: The most significant change during storage of minimally processed leek stalks is leaf growth. The growth zone, where growth is developed in three leaf sets(inner, intermediate and outer) was determined, as well as their metabolic activity. The highest leaf growth was observed in the inner leaf set and particularly in the basal 0-2 cm part, where cells were immature, with great metabolic activity. The removal of the basaal 2 cm part of the stalks, their storage in 1% O2 and heat treatment(immersion in water and 57.5 oC for 10-15 min) minimized abd inner leaf growth. The combination of heat treatment and base removal application before storage in modified atmosphere prevented leaf growth. The effect of heat treatment on leaf growth was accompanied by modification of inner stalk atmosphere, lowering O2 and increasing CO2 concentration
Decoding Orders and Power Allocation for Untrusted NOMA: A Secrecy Perspective
Creators: name: Thapar, Sapna
name: Mishra, Deepak
name: Saini, Ravikant
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Theory (cs.IT)
subject: Signal Processing (eess.SP)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The amalgamation of non-orthogonal multiple access (NOMA) and physical layer security is a significant research interest for providing spectrally-efficient secure fifth-generation networks. Observing the secrecy issue among multiplexed NOMA users, which is stemmed from successive interference cancellation based decoding at receivers, we focus on safeguarding untrusted NOMA. Considering the problem of each user's privacy from each other, the appropriate secure decoding order and power allocation (PA) for users are investigated. Specifically, a decoding order strategy is proposed which is efficient in providing positive secrecy at all NOMA users. An algorithm is also provided through which all the feasible secure decoding orders in accordance with the proposed decoding order strategy can be obtained. Further, in order to maximize the sum secrecy rate of the system, the joint solution of decoding order and PA is obtained numerically. Also, a sub-optimal decoding order solution is proposed. Lastly, numerical results present useful insights on the impact of key system parameters and demonstrate that average secrecy rate performance gain of about 27 dB is obtained by the jointly optimized solution over different relevant schemes.
description: Conference paper, 6 pages,7 figures
Symmetry and Integrability of Non-Singlet Sectors in Matrix Quantum Mechanics
Creators: name: Hatsuda, Yasuyuki
name: Matsuo, Yutaka
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We study the non-singlet sectors of matrix quantum mechanics (MQM) through an operator algebra which generates the spectrum. The algebra is a nonlinear extension of the W_\infty algebra where the nonlinearity comes from the angular part of the matrix which can not be neglected in the non-singlet sector. The algebra contains an infinite set of commuting generators which can be regarded as the conserved currents of MQM. We derive the spectrum and the eigenfunctions of these conserved quantities by a group theoretical method. An interesting feature of the spectrum of these charges in the non-singlet sectors is that they are identical to those of the singlet sector except for the multiplicities. We also derive the explicit form of these commuting charges in terms of the eigenvalues of the matrix and show that the interaction terms which are typical in Calogero-Sutherland system appear. Finally we discuss the bosonization and rewrite the commuting charges in terms of a free boson together with a finite number of extra degrees of freedom for the non-singlet sectors.
description: 34 pages, 4 figures
Computational Model to Quantify Object Innovativeness
Creators: name: Ivanov, V. K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Digital Libraries (cs.DL)
subject: FOS: Computer and information sciences

description: The article considers the quantitative assessment approach to the innovativeness of different objects. The proposed assessment model is based on the object data retrieval from various databases including the Internet. We present an object linguistic model, the processing technique for the measurement results including the results retrieved from the different search engines, and the evaluating technique of the source credibility. Empirical research of the computational model adequacy includes the acquisition and preprocessing of patent data from different databases and the computation of invention innovativeness values: their novelty and relevance. The experiment results, namely the comparative assessments of innovativeness values and major trends, show the models developed are sufficiently adequate and can be used in further research.
description: 10 pages
Η συμβολή της ραδιοϊσοτοπικής τομογραφικής απεικόνισης(SPECT) με 99mTC-Depreotide και 201TL-Chloride στην εκτίμηση του καρκίνου του πνεύμονα: σύγκριση με άλλες μεθόδους
Creators: name: Μπούντας, Δημήτριος Κ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Πνευμονικός όζος
Πιθανότητα κακοήθειας
SPECT
Pulmonary lesions
Probability of malignacy

description: Σκοπός της μελέτης: Η εκτίμηση και σύγκριση της διαγνωστικής αξίας της ραδιοϊσοτοπικής τομογραφικής απεικόνισης (SPECT) με 99mTc-epreotide και 201Tl-chloride στη διάκριση μεταξύ καλοηθών και πνευμονικών βλαβών, η σύγκριση της επάρκειας της διαγνωστικής πληροφορίας των κλινικών στοιχείων και της αξονικής τομογραφίας θώρακος (ΑΤ) με αυτή των ραδιοϊσοτοπικών μελετών, υπό τη μορφή της υπολογιζόμενης πιθανότητας κακοήθειας και η αξιολόγηση της πρόσθετης διαγνωστικής αξίας που παρέχουν οι ραδιοϊσοτοπικές τεχνικές
description: Purpose: This study evaluates and compares the diagnostic performance f 99mTc-depreotide and 201Tl-chloride single photon emission computerized tomography (SPECT) in the characterisation of pulmonary lesions suspect for malignancy. It also compares the adequacy of information provided from clinical and radiological data to that from the radionuclide methods, by means of calculated probability of malignancy, and evaluates the incremental diagnostic value that nuclear medicine methods provide
Image-based Automatic Dial Meter Reading in Unconstrained Scenarios
Creators: name: Salomon, Gabriel
name: Laroca, Rayson
name: Menotti, David
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: The replacement of analog meters with smart meters is costly, laborious, and far from complete in developing countries. The Energy Company of Parana (Copel) (Brazil) performs more than 4 million meter readings (almost entirely of non-smart devices) per month, and we estimate that 850 thousand of them are from dial meters. Therefore, an image-based automatic reading system can reduce human errors, create a proof of reading, and enable the customers to perform the reading themselves through a mobile application. We propose novel approaches for Automatic Dial Meter Reading (ADMR) and introduce a new dataset for ADMR in unconstrained scenarios, called UFPR-ADMR-v2. Our best-performing method combines YOLOv4 with a novel regression approach (AngReg), and explores several postprocessing techniques. Compared to previous works, it decreased the Mean Absolute Error (MAE) from 1,343 to 129 and achieved a meter recognition rate (MRR) of 98.90% -- with an error tolerance of 1 Kilowatt-hour (kWh).
Semiclassical Treatment of Induced Schwinger Processes at Finite Temperature
Creators: name: Monin, A. K.
name: Zayakin, A. V.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider induced pair production in an external field at finite temperature. One-loop correction to the Green function of a meson is calculated semiclassically within the framework of saddle-point analysis of Schwinger proper time integrals. This correction appears to be exponentially small in terms of inverse temperature dependence. Low-temperature limit is shown to be in full agreement with previously obtained zero-temperature results. The corrections in the low-temperature limits are estimated up to the leading exponential and pre-exponential terms. Comparison is made to earlier calculations of vacuum decay.
description: 10 pages, 1 fugure
Static, cyclic and post liquefaction undrained behaviour of Fraser river sand
Creators: name: Thomas, Joyis
Publisher: name: University of British Columbia
Year: 2008

description: An experimental study of static, cyclic and post cyclic undrained behaviour of Fraser river sand in the triaxial test is presented. Static undrained behaviour over a range of deposition densities, from loosest to dense, and a range of confining stress is studied. Compression as well as extension loading paths are included. It is shown that for identical density and stress state the sand is dilative in triaxial compression but contractive in triaxial extension loading. It is shown that at a given confining stress static shear stress can change a dilative sand into a contractive one. Cyclic loading leading to liquefaction is studied at specific targeted densities from loose to dense at a range of confining stress and the liquefaction resistance determined. It is shown that the sand can undergo large deformation even before a state of 100% pore pressure ratio occurs. There is no effect of the level of confining stress on liquefaction resistance of loose sand. The resistance of denser sand, however, decreases with increase in confining stress. During post liquefaction undrained monotonie loading, the sand initially deforms with an essentially zero stiffness which then increases with the level of strain.The effect of maximum shear strain due to cyclic loading, relative density, mode of loading and the level of confining stress prior to cyclic loading on the post liquefaction monotonic undrained response of the sand is investigated. Volumetric strain due to dissipation of excess pore pressure until liquefaction is assessed as a function of maximum shear strain, relative density and confining stress prior to inducing liquefaction. The similarity of post liquefaction behaviour (both stress-strain response and volumetric strain) between sand brought to the liquefied state by cyclic loading and by static load/unload cycle is also investigated.
A theoretical approach to thermal noise caused by an inhomogeneously distributed loss -- Physical insight by the advanced modal expansion
Creators: name: Yamamoto, Kazuhiro
name: Ando, Masaki
name: Kawabe, Keita
name: Tsubono, Kimio
Publisher: name: arXiv
Year: 2006
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: We modified the modal expansion, which is the traditional method used to calculate thermal noise. This advanced modal expansion provides physical insight about the discrepancy between the actual thermal noise caused by inhomogeneously distributed loss and the traditional modal expansion. This discrepancy comes from correlations between the thermal fluctuations of the resonant modes. The thermal noise spectra estimated by the advanced modal expansion are consistent with the results of measurements of thermal fluctuations caused by inhomogeneous losses.
description: 10 pages, 4 figures
Removal of Nitrate by Bimetallic Copper-Nanoscale Zero-Valent Iron (Cu-nZVI): Using 2k Full Factorial Design
Creators: name: Nalinee Krasae
name: Kitirote Wantala
name: Puek Tantriratna
name: Nurak Grisdanurak
Publisher: name: Environmental Research Institute Chulalongkorn University Press
Year: 2014
Subjects: Cu, nZVI, bimetallic, nitrate reductionl acidic condition Full Factorial Design (FFD)

description: 2, 36, Applied Environmental Research
Universal Features of Terahertz Absorption in Disordered Materials
Creators: name: Taraskin, S. N.
name: Simdyankin, S. I.
name: Elliott, S. R.
name: Neilson, J. R.
name: Lo, T.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: Using an analytical theory, experimental terahertz time-domain spectroscopy data and numerical evidence, we demonstrate that the frequency dependence of the absorption coupling coefficient between far-infrared photons and atomic vibrations in disordered materials has the universal functional form, C(omega) = A + B*omega^2, where the material-specific constants A and B are related to the distributions of fluctuating charges obeying global and local charge neutrality, respectively.
description: 5 pages, 3 figs
Exposure to BTEX and Assessment of the Potential Risk among Pregnant Residents Living in the Vicinity of a Petro-Chemical Industrial Estate
Creators: name: Keadthogthawee, Santi
name: Nipa Maharachpong
name: Sirirat Chanvaivit
name: Nalinee Sripaung
name: Nantaporn Phatrabuddha
Publisher: name: Environmental Research Institute Chulalongkorn University Press
Year: 2014
Subjects: Pregnant women, health risk assessment, BTEX

description: 2, 36, Applied Environmental Research
HapTable: An Interactive Tabletop Providing Online Haptic Feedback for Touch Gestures
Creators: name: Emgin, Senem Ezgi
name: Aghakhani, Amirreza
name: Sezgin, T. Metin
name: Basdogan, Cagatay
Publisher: name: arXiv
Year: 2021
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Graphics (cs.GR)
subject: Multimedia (cs.MM)
subject: FOS: Computer and information sciences

description: We present HapTable; a multimodal interactive tabletop that allows users to interact with digital images and objects through natural touch gestures, and receive visual and haptic feedback accordingly. In our system, hand pose is registered by an infrared camera and hand gestures are classified using a Support Vector Machine (SVM) classifier. To display a rich set of haptic effects for both static and dynamic gestures, we integrated electromechanical and electrostatic actuation techniques effectively on tabletop surface of HapTable, which is a surface capacitive touch screen. We attached four piezo patches to the edges of tabletop to display vibrotactile feedback for static gestures. For this purpose, the vibration response of the tabletop, in the form of frequency response functions (FRFs), was obtained by a laser Doppler vibrometer for 84 grid points on its surface. Using these FRFs, it is possible to display localized vibrotactile feedback on the surface for static gestures. For dynamic gestures, we utilize the electrostatic actuation technique to modulate the frictional forces between finger skin and tabletop surface by applying voltage to its conductive layer. Here, we present two examples of such applications, one for static and one for dynamic gestures, along with detailed user studies. In the first one, user detects the direction of a virtual flow, such as that of wind or water, by putting their hand on the tabletop surface and feeling a vibrotactile stimulus traveling underneath it. In the second example, user rotates a virtual knob on the tabletop surface to select an item from a menu while feeling the knob's detents and resistance to rotation in the form of frictional haptic feedback.