cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Οι μεταβολές του βλεννογονικού pH του αριστερού ημίσεος του παχέος εντέρου στη διάρκεια επεμβάσεων της κοιλιακής αορτής
Creators: name: Κούτσιας, Στυλιανός Γ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2005
Subjects: Αέρια τονομετρία
Αποφρακτική νόσος κοιλιακής αορτής
Air tonometry
Aortic occlusive disease

description: Σ΄αυτή την κλινική μελέτη χρησιμοποιήσαμε την καινούργια μορφή τονομετρίας, την «αέριο» τονομετρία που υπερέχει έναντι της παλαιότερης μορφής, για να καταγράψουμε τις μεταβολές του βλεννογονικού pHi στο σιγμοειδές κόλον κατά τη διάρκεια των επεμβάσεων της κοιλιακής αορτής. Η μελέτη σχεδιάσθηκε, ώστε να καταγράψουμε το σιγμοειδικό pHi σε δύο ομάδες ασθενών, σε μία ομάδα από 15 ασθενείς με ΑΚΑ και σε μία άλλη, επίσης από 15 ασθενείς, με ΑΛΑ. Η αέριος τονομετρία (TONOCAP) από την εφαρμογή της στην κλινική μας μελέτη, έδειξε ότι αποτελεί μία εύχρηστη και εφαρμόσιμη μέθοδος. Λαμβάνοντας υπόψη και τα βιβλιογραφικά δεδομένα, είναι συγκριτικά καλύτερη από την παλαιότερη μέθοδο τονομετρίας, όσον αφορά την ευκολία εφαρμογής της στην κλινική πράξη και τον μεγαλύτερο αριθμό μετρήσεων του pHi και του PrCO2 που καταγράφουμε. Έτσι μας επιτρέπει να έχουμε καλύτερη πληροφόρηση για την ιστική οξυγόνωση του εντερικού τοιχώματος, ώστε να προβαίνουμε σε ανάλογες ενέργειες πρόληψης επικείμενων δύσκολων καταστάσεων για τον ασθενή που υποβάλλεται σε χειρουργική επέμβαση στην κοιλιακή αορτή
description: In this clinical study, we have used the new type of tonometry, «air» tonometry, which is superior to the previous type of tonometry, in order to record the changes in the mucosal pHi at the sigmoid colon during operations on the abdominal aorta. This study was planned so as to record the sigmoid pHi in two groups of patients, one group of 15 patients with abdominal aortic aneurysm (AAA), and one group of 15 patients with aortoiliac occlusive disease (AOD). From its application to our clinical study, air tonometry (TONOCAP) proved to be a useful and applicable method. Considering the data on the literature, air tonometry seems to be better than the previous method of tonometry, in terms of convenience of application in the clinical practice and the larger number of measurements of pHi and PrCO2 recorded. Thus, it allows us to be better informed of the tissue oxygenation of the intestinal wall, so as to take the appropriate measures for the prevention of imminent conditions, difficult for the patient who is subjected to an operation on the abdominal aorta
La rigenerazione urbana a base culturale tra rinascita e retoriche: il caso Danisinni a Palermo
Creators: name: Mondino, Marco
Publisher: name: Tracce urbane. Rivista italiana transdisciplinare di studi urbani
Year: 2023

description: Nell’ultimo decennio il tema della rigenerazione urbana dal basso - attraverso processi culturali e creativi - è al centro di un notevole e crescente interesse, tanto da diventare paradigma nelle retoriche e nelle politiche di sviluppo urbano. Il contributo analizza l’esperienza di Danisinni a Palermo, una delle aree più marginalizzate della città, in cui negli ultimi anni sono state avviate una serie di progettualità culturali e creative. L’integrazione tra testi, discorsi e osservazione ha permesso di sviluppare un metodo d’indagine in grado di leggere da un lato le costruzioni e le messe in scena discorsive e mediatiche del contesto, dall’altro di mettere ordine tra le narrative emergenti sul campo.
description: Tracce urbane. Rivista italiana transdisciplinare di studi urbani, V. 9 N. 13 (2023): Pratiche di rigenerazione urbana e cultura. Sguardi critici tra co-creazione, istituzionalizzazione e conflitto
Additional file 3 of Association between a single nucleotide polymorphism of the IL23R gene and tuberculosis in a Chinese Han population: a case‒control study
Creators: name: Zhang, Juan
name: Wang, Ming-Gui
name: Xiang, Xi
name: He, Jian-Qing
Publisher: name: figshare
Year: 2023
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Supplementary Material 3
A joint explanation of infant and old age mortality
Creators: name: Richmond, Peter
name: Roehner, Bertrand M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences

description: Infant deaths and old age deaths are very different. The former are mostly due to severe congenital malformations of one or a small number of specific organs. On the contrary, old age deaths are largely the outcome of a long process of deterioration which starts in the 20s and affects almost all organs. In terms of age-specific death rates, there is also a clear distinction: the infant death rate falls off with age, whereas the adult and old age death rate increases exponentially with age in conformity with Gompertz's law. Clearly, it would be satisfactory to explain the two phenomena as being two variants within the same explanatory framework. In other words, a mechanism providing a combined explanation for the two forms of mortality would be welcome. This is the purpose of the present paper. We show here that the same biological effects can account for the two cases provided there is a difference in their severity: death triggered by isolated lethal anomalies in one case and widespread wear-out anomalies in the second. We show that quite generally this mechanism leads indeed, respectively, to a declining and an upgoing death rate. Moreover, this theoretical framework leads to the conjecture that the severity of the death effects, whether in infancy or old age, are higher for organisms which are comprised of a larger number of organs. Finally, let us observe that the main focus of the paper is the drastic difference of the age-specific death rates (i.e. decreasing versus increasing) because this difference is found in many species, whereas the question of the best fit (e.g. Gompertz versus Weibull) is rather specific to human mortality.
description: 11 pages, 3 figures
Gobiesocidae
Creators: name: Golani, Daniel
name: Fricke, Ronald
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Perciformes
Gobiesocidae

description: GOBIESOCIDAE   * Lepadichthys erythraeus Briggs & Link 1963
 Gulf of Suez: Egypt (Craig et al. 2015).
 Gulf of Aqaba: Egypt (Craig et al. 2015).
 Red Sea main basin: Egypt (Briggs & Link 1963), Saudi Arabia (Craig et al. 2015).
 General distribution: Red Sea endemic.
 Lepadichthys lineatus Briggs 1966
 Gulf of Suez: ¯
 Gulf of Aqaba: Egypt (Debelius 2007, as Discotrema lineata), Israel (Briggs 1966).
 Red Sea main basin: ¯
 General distribution: Red Sea, Indo-West Pacific: Myanmar, Indonesia, Papua New Guinea.
description: Published as part of Golani, Daniel & Fricke, Ronald, 2018, Checklist of the Red Sea Fishes with delineation of the Gulf of Suez, Gulf of Aqaba, endemism and Lessepsian migrants, pp. 1-215 in Zootaxa 4509 (1) on page 144, DOI: 10.11646/zootaxa.4509.1.1, http://zenodo.org/record/2607566
Does The Uncertainty Relation Determine The Quantum State?
Creators: name: Man'ko, Olga V.
name: Man'ko, V. I.
name: Marmo, G.
name: Sudarshan, E. C. G.
name: Zaccaria, F.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The example of nonpositive trace-class Hermitian operator for which Robertson-Schroedinger uncertainty relation is fulfilled is presented. The partial scaling criterion of separability of multimode continuous variable system is discussed in the context of using nonpositive maps of density matrices.
description: 11 pages, to be submitted to Physics Letters A
A new approach to the solar oxygen abundance problem
Creators: name: Centeno, R.
name: Socas-Navarro, H.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In this work we present new data that sets strong constraints on the solar oxygen abundance. Our approach, based on the analysis of spectro-polarimetric observations, is almost model-independent and therefore extremely robust. The asymmetry of the Stokes V profile of the 6300 A [OI] and NiI blend is used as an indicator of the relative abundances of these two elements. The peculiar shape of the profile requires a value of EO = 730+/-100 ppm (parts per million), or logEO = 8.86+/-0.07 in the logarithmic scale commonly used in Astrophysics. The uncertainty range includes the model dependence as well as uncertainties in the oscillator strengths of the lines. We emphasize that the very low degree of model dependence in our analysis makes it very reliable compared to traditional determinations.
description: Accepted for publication in The Astrophysical Journal Letters. 12 pages, 3 figures, referee format. This is the replacement of a previous version of the paper. Our revised analysis takes into consideration the formation of molecules, resulting in a substantially larger value for the derived Oxygen abundance
Ενδοσκοπική εκτίμηση της κατάποσης
Creators: name: Κυνηγού, Μαρία Ν.
Publisher: name: Aristotle University of Thessaloniki
Year: 2005
Subjects: Εισρόφηση
Aspiration

description: Η ενδοσκοπική εκτίμηση της κατάποσης είναι μια νέα τεχνική ελέγχου της κατάποσης όπου με ένα εύκαμπτο ενδοσκόπιο παρατηρούμε άμεσα τον λάρυγγα και υποφάρυγγα του ασθενούς ενώ τον σιτίζουμε με τροφή ποικίλης σύστασης, κατάλληλα χρωματισμένη. Στόχος της παρούσας έρευνας είναι η μελέτη του προβλήματος της ανώτερης δυσφαγίας σε διάφορες κατηγορίες ασθενών και η αξιολόγηση της ενδοσκοπικής μεθόδου εκτίμησης που εφαρμόζεται πρώτη φορά στη χώρα μας. Παρουσιάζονται και συσχετίζονται στατιστικά τα αποτελέσματα της εφαρμογής της ενδοσκοπικής εκτίμησης της κατάποσης σε 280 ασθενείς με διάφορες παθήσεις, με έμφαση στις παραμέτρους που επηρεάζουν την συχνότητα εμφάνισης εισροφήσεων. δεν εμφανίστηκαν επιπλοκές και η εξέταση έγινε καλά ανεκτή. Σε κάθε περίπτωση ανασφαλούς κατάποσης εφαρμόσθηκαν αντισταθμιστικές τεχνικές με στόχο την ασφαλέστερη κατάποση δυνατή κατάποση. Παρατηρήθηκε εισρόφηση στο 61.8% των ασθενών τουλάχιστον σε μια πυκνότητα(κυρίως υγρά), ενώ το 15,7% παρουσίαζε σιωπηλή εισρόφηση. Το 62,5% των ασθενών βοηθήθηκε με την εφαρμογή των τεχνικών ενίσχυσης της κατάποσης. Με βάση την κατάποσή τους οι ασθενείς χαρακτηρίστηκαν ότι εμφανίζουν ασφαλή κατάποση στο 26,4%, ασφαλή μόνο με την εφαρμογή τεχνικών στο 38,6%, ανεπαρκή στο 2,9% και ανασφαλή στο 28,9%
description: Fiberoptic endoscopic evaluation of swallowing(FEES) is a new technique that involves passing transnasally a fiberoptic laryngoscope in order to visualize the pharyngeal phase of deglutition, while the patient is being fed with colored food of various consistencies. We introduce and validate, for the first time in our country, this new office or bedside method of evaluating and treating swallowing disorders. 280 patients with a variety of underlying diseases were evaluated endoscopically. In case of an unsafe swallow various compensatory techniques were applied in order to achieve the safest way to feed the patient. Several parameters were examined and statistically compared in order to evaluate the factors affecting their dysphagia. 61,8% of the patients were found to aspirate at least on one consistency, while 15,7% were silent aspirators. 28,9% of the patients were found able to follow a free diet, 26,4% were regarded to have an unsafe swallowing, and 38,6% of them were able to proceed on peer os diet only with dietary management and/or compensatory maneuvers. No serious complications appeared and the procedure was well tolerated. The main components affecting the aspiration rates were the motor status of the larynx and the sensory status of the hypopharynx(p<0,001)
Μονογονεϊκές οικογένειες από διαζύγιο: επιδράσεις στην ψυχοκοινωνική ανάπτυξη του εφήβου
Creators: name: Καρδάση, Ειρήνη Θρ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2005
Subjects: Μονογονεϊκές οικογένειες
Ψυχοκοινωνική ανάπτυξη

description: Η εργασία αυτή επιθυμεί να συμβάλλει στον προβληματισμό που έχει αναπτυχθεί σχετικά με τις επιπτώσεις της μονογονεϊκής οικογένειας στην ψυχοκοινωνική ανάπτυξη του εφήβου. Συνοπτικά, με βάση τα αποτελέσματα της παρούσας έρευνας, αναδείχτηκαν στατιστικά σημαντικές διαφορές μεταξύ της πειραματικής ομάδας και της ομάδας ελέγχου στους τομείς τους σχετικούς με την αυτοαντίληψη της σχολικής ικανότητας, των σχέσεων με τους συνομηλίκους, της αθλητικής ικανότητας, της φυσικής εμφάνισης, της διαγωγής-συμπεριφοράς και της αυτοεκτίμησης. Από πλευράς φύλου, η έρευνα ανέδειξε στατιστικά σημαντικές διαφορές μεταξύ αγοριών και κοριτσιών των δύο ομάδων στον τομέα της φυσικής εμφάνισης, καθώς και γενική αυτοεκτίμηση. Επίσης στατιστικά σημαντικές διαφορές αναδείχτηκαν και στον τομέα της διαγωγής-συμπεριφοράς μεταξύ αγοριών και κοριτσιών του συνολικού δείγματος
Entropy and Exact Matrix Product Representation of the Laughlin Wave Function
Creators: name: Iblisdir, S.
name: Latorre, J. I.
name: Orus, R.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: An analytical expression for the von Neumann entropy of the Laughlin wave function is obtained for any possible bipartition between the particles described by this wave function, for filling fraction nu=1. Also, for filling fraction nu=1/m, where m is an odd integer, an upper bound on this entropy is exhibited. These results yield a bound on the smallest possible size of the matrices for an exact representation of the Laughlin ansatz in terms of a matrix product state. An analytical matrix product state representation of this state is proposed in terms of representations of the Clifford algebra. For nu=1, this representation is shown to be asymptotically optimal in the limit of a large number of particles.
Συγκριτική οικολογική μελέτη του κορμοράνου(Phalacrocorax carbo) και της Λαγγόνας(Phalacrocorax pygmaeus) στη λίμνη Κερκίνη
Creators: name: Ναζηρίδης, Θεόδωρος Κ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2005
Subjects: Λαγγόνα
Phalacrocorax carbo
Phalacrocorax pygmaeus

description: Μελετήθηκε η βιολογία αναπαραγωγής της λαγγόνας(Phalacrocorax pygmaeus, P. 1773) και του κορμοράνου(Phalacrocorax carbo, L. 1758), στον υγρότοπο της τεχνητής λίμνης Κερκίνης στη Βόρεια Ελλάδα, από το 1988 έως το 1990, και η εξέλιψη των αποικιών τους μέχρι το έτος 2002
description: The cormorant's(Phalacrocorax pygmaeus, P1773) biology reproduction has been studied at the wetland of the artificial lake of Kerkini in north Greece from 1988 to 1990
Uplink Channel Impulse Response Based Secondary Carrier Prediction
Creators: name: Gowgi, Prayag
name: Yajnanarayana, Vijaya
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: A typical handover problem requires sequence of complex signaling between a UE, the serving, and target base station. In many handover problems the down link based measurements are transferred from a user equipment to a serving base station and the decision on handover is made on these measurements. These measurements together with the signaling between the user equipment and the serving base station is computationally expensive and can potentially drain user equipment battery. Coupled with this, the future networks are densely deployed with multiple frequency layers, rendering current handover mechanisms sub-optimal, necessitating newer methods that can improve energy efficiency. In this study, we will investigate a ML based approach towards secondary carrier prediction for inter-frequency handover using the up-link reference signals.
description: Submitted to IEEE NCC 2021
The connection between warm carbon chain chemistry and interstellar irradiation of star-forming cores
Creators: name: Kalvans, Juris
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Some observations of warm carbon chain chemistry (WCCC) cores indicate that they are often located near the edges of molecular clouds. This finding may suggest that WCCC is promoted in star-forming cores exposed to radiation from the interstellar medium. We aim to investigate the chemistry of carbon chains in such a core. A chemical simulation of a gas parcel in a low-mass star-forming core with a full level of irradiation by interstellar photons and cosmic rays was compared to a simulation of a core receiving only one-tenth of such irradiation. In the full irradiation model, the abundances of carbon chains were found to be higher by a factor of few to few hundred, compared to the model with low irradiation. Higher carbon-chain abundances in the prestellar stage and, presumably, in the extended circumstellar envelope, arise because of irradiation of gas and dust by interstellar photons and cosmic rays. A full standard rate of cosmic-ray induced ionization is essential for a high carbon-chain abundance peak to occur in the circumstellar envelope, which is heated by the protostar (the "true" WCCC phenomenon). The full irradiation model has lower abundances of complex organic molecules than the low-irradiation model. We conclude that WCCC can be caused by exposure of a star-forming core to interstellar radiation, or even just to cosmic rays. The Appendix describes an updated accurate approach for calculating the rate of cosmic-ray induced desorption.
description: Accepted for publication in ApJ
Un progetto per il ‘Ferro di Cavallo’. Esperienze e ipotesi di rigenerazione urbana a Pescara a favore dell’infanzia, tra azioni istituzionali e progetti critici dal basso
Creators: name: Rovigatti, Piero
Publisher: name: Tracce urbane. Rivista italiana transdisciplinare di studi urbani
Year: 2023

description: Il ‘Ferro di Cavallo’ di Rancitelli sta a Pescara come le Vele di Scampia stanno a Napoli, le torri di Tor Bella Monaca e Corviale a Roma, o le insulae dei quartieri Zen a Palermo. La ricostruzione delle vicende di questo complesso di edilizia economica e popolare, costruito all’inizio degli anni ’80 e oggetto di un recente e discusso programma di demolizione e ricostruzione – assieme a quelle di altri interventi di carattere pubblico, privato e di terzo settore nei quartieri delle disuguaglianze a Pescara – si accompagna alla lettura critica di una proposta di intervento alternativa alla demo-ricostruzione dell’edificio, nata tra gli abitanti del quartiere e le loro organizzazioni di base. In gioco è la praticabilità, al tempo del PNRR, di un progetto partecipato di rigenerazione urbana dal basso, materiale e immateriale, dell’intero quartiere, di transizione ecologica e maggiore equità sociale, su cui concentrare gli sforzi di chi sceglie di operare, in particolare, dalla parte dell’infanzia e a favore della sostenibilità ed equità delle politiche integrate da mettere in campo.
description: Tracce urbane. Rivista italiana transdisciplinare di studi urbani, V. 9 N. 13 (2023): Pratiche di rigenerazione urbana e cultura. Sguardi critici tra co-creazione, istituzionalizzazione e conflitto
Ανοσοβιολογικοί συντελεσταί επί παιδικού αυτισμού(ερευνητική μελέτη)
Creators: name: Σιαμούλη-Σμαροπούλου, Φανή Κ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2005
Subjects: Νευροτροφίνες
Neurotrophins

description: Ο αυτισμός είναι μια νευροαναπτυξιακή διαταραχή που χαρακτηρίζεται από την πρώϊμη έναρξη ποιοτικών αποκλίσεων στην επικοινωνία και την κοινωνική διαντίδραση. Οι αιτίες του παραμένουν αδιευκρίνιστες. Σκοπός της μελέτης ήταν η αναζήτηση στο αίμα των αυτιστικών συγκεκριμένων ανοσοβιολογικών παραγόντων που θεωρείται ότι έχουν ρυθμιστικό ρόλο στην εγκεφαλική ανάπτυξη. Ο πληθυσμός της μελέτης χωρίστηκε σε δύο ομάδες, την ομάδα των παιδιών με διάγνωση εντός του αυτιστικού φάσματος, αποτελούμενη από 18 παιδιά(μ.ο. ηλικίας 10.2 έτη) και την ομάδα των υγιών μαρτύρων, αποτελούμενη από 19 παιδιά(μ.ο. ηλικίας 8.6 έτη). Μετρήθηκαν στον ορό αίματος των παιδιών οι συγκεντρώσεις των κυτταροκινών BDNF(εκ του εγκεφάλου προερχόμενος νευροτρόφος παράγοντας) και CNTF(μικρολαχνιακός νευροτρόφος παράγοντας), με τη χρήση της μεθόδου ELISA και ακολούθησε στατιστική ανάλυση των αποτελεσμάτων. Ο BDNF ανιχνεύθηκε και η συγκέντρωση στο ορό παιδιών με αυτισμό βρέθηκε υψηλότερη σε σχέση με αυτήν στον ορό των υγιών μαρτύρων. Ο CNTF δεν ήταν ανιχνεύσιμος στην παρούσα μελέτη, ούτε στο ορό των αυτιστικών ούτε και στο ορό των υγιών μαρτύρων. Πιθανώς οι νευρώνες του εγκεφάλου απαντούν με αυξημένη παραγωγή ή απελευθέρωση νευροτρόφων παραγόντων, στο αίτιο ή το συνδυασμό αιτίων που προκάλεσαν τον αυτισμό. Χρειάζεται περαιτέρω έρευνα ώστε να εκτιμηθεί η πιθανή σχέση του BDNF ως διαγνωστικού αλλά και προγνωστικού δείκτη της πορείας του αυτισμού
description: Autism is neurodevelopmental disorder characterized by the early onset of delay and deviation in communication and social interaction. Its causes remain undefined. The aim of this study was to measure concentrations of specific cytocines in the serum of autistic children, considered as regulators in brain development. The study population was divided in two groups, 1st group of children(median age 10.2 years) and 2nd group of children, the healthy controls, consisted of 19 children(median age 8.6 years). The concentrations of cytokines BDNF(brain-derived neurotrophic factor) and CNTF(ciliary neurotrophic factor) were counted in the serum of the children of both groups using the immunoassay method ELISA and then we performed detailed statistical analysis. Concentrations of BDNF in the serum of children with autism were higher than in the control group. CNTF was not detected in the present study, either in the serum autistic children or in the serum of healthy controls. Probably the celebral neurons respond with an increased production or release of neurotrophic factors, towards the cause of the combination of causes that lead to autism. Further investigation is required to estimate the possible value of BDNF as a primary diagnostic, as well as prognostic marker of the course of autism
The first photometric investigation and spectroscopic analysis of two contact binaries: ASAS J124343+1531.7 and LINEAR 2323566
Creators: name: Xia, Qiqi
name: Michel, Raul
name: Li, Kai
name: Higuera, Jesus
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The multi-color passband CCD light curves of ASAS J124343+1531.7 and LINEAR 2323566 were first obtained by the 0.84-m Ritchey-Chrétien telescope with follow up observations by the WIYN 0.90m Cassegrain telescope. The data from the $Transiting\quad Exoplanet\quad Survey\quad Satellite\quad (TESS)$ of ASAS J124343+1531.7 was also applied for subsequent analysis. By analyzing the data through the W-D program, their mass ratios and fill-out factors were determined as 3.758, 1.438 and 31.8$\%$, 14.9$\%$, respectively. ASAS J124343+1531.7 is a W-subtype median contact binary, while LINEAR 2323566 is a W-subtype shallow contact binary, and the asymmetric light curves prove that they both have the O'Connell effect, which is generally explained by magnetic activity. The equivalent widths (EWs) of H$_α$ lines were calculated, which show they certainly have magnetic activity. Moreover, LINEAR 2323566 has a stronger magnetic activity. The analysis of orbital period changes shows that ASAS J124343+1531.7 has a trend of secular period increase, which is generally explained by the mass transfer from the less massive to the more massive star. According to the estimated absolute parameters, their evolutionary states are discussed. The two components of ASAS J124343+1531.7 are both main sequence stars. While for LINEAR 2323566, the more massive star is a main sequence star, the less massive star has evolved out of main sequence and is over-luminous and over-sized.
description: 26 pages, 10 figures, abd 8 tables, accepted by PASP
Gas-Liquid Coexistence in the Primitive Model for Water
Creators: name: Romano, F.
name: Tartaglia, P.
name: Sciortino, F.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We evaluate the location of the gas-liquid coexistence line and of the associated critical point for the primitive model for water (PMW), introduced by Kolafa and Nezbeda [J. Kolafa and I. Nezbeda, Mol. Phys. 61, 161 (1987)]. Besides being a simple model for a molecular network forming liquid, the PMW is representative of patchy proteins and novel colloidal particles interacting with localized directional short-range attractions. We show that the gas-liquid phase separation is metastable, i.e. it takes place in the region of the phase diagram where the crystal phase is thermodynamically favored, as in the case of articles interacting via short-range attractive spherical potentials. Differently from spherical potentials, we do not observe crystallization close to the critical point. The region of gas-liquid instability of this patchy model is significantly reduced as compared to equivalent models of spherically interacting particles, confirming the possibility of observing kinetic arrest in an homogeneous sample driven by bonding as opposed to packing.
description: 7 pages, 6 figures May 8th, 2007: Corrected typos, corrected density critical exponent, fixed fugacity scale in Fig. 6
Μελέτη των μορίων CD55 και CD59 στις κυτταροπενίες των μυελοδυσπλαστικών συνδρόμων
Creators: name: Καϊάφα, Γεωργία Δ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2005
Subjects: CD55
CD59
Κυτταρομετρία ροής

description: Σε 110 συνολικά άτομα, ηλικίας 38-89 ετών, με μυελοδυσπλαστικό σύνδρομο(ΜΔΙ), 58 άνδρες και 52 γυναίκες, που ταξινομήθηκαν σε 6 υποομάδες, α)19 ασθενείς με ανθεκτική αναιμία(RA), ηλικίας 42-78 ετών, 10 άνδρες και 9 γυναίκες, b)15 ασθενείς με ανθεκτική αναιμία με δακτυλιοειδείς σιδηροβλάστες(RARS), ηλικίας 38-70 ετών, 7 άνδρες και 8 γυναίκες, c)18 ασθενείς με ανθεκτική αναιμία με περίσσεια βλαστών(RAEB), ηλικίας 51-88 ετών, 10 άνδρες και 8 γυναίκες, d)17 ασθενείς με ανθεκτική αναιμία με περίσεια βλαστών σε μεταμόρφωση(RAEB-t), ηλικίας 53-82 ετών, 11 άνδρες και 6 γυναίκες, e)21 ασθενείς με χρόνια μυελομονοκυτταρική λευχαιμία(MML), ηλικίας 48-85 ετών, 10 άνδρες και 11 γυναίκες, m)20 μάρτυρες, ηλικίας 35-78 ετών, 10 άνδρες και 10 γυναίκες, μελετήθηκε η συχνότητα παρουσίας του ΠΝΑ κλώνου στα πολυμορφοπύρηνα σύμφωνα με την μέθοδο της κυτταρομετρίας ροής. Συμπεραίνεται λοιπόν ότι, 1)η εκτίμηση και μελέτη του μεγέθους του ΠΝΑ κλώνου προσδιορίζεται καλύτερη με κυτταρομετρική ανάλυση των πολυμορφοπυρήνων σε σχέση με τα ερυθροκύτταρα 2)μικροί πληθυσμοί πολυμορφοπυρήνων με μειωμένη έκφραση των CD55 και CD59 ανιχνεύονται ακόμη και σε φυσιολογικά άτομα 3)Το αντιγόνο CD59 στα πολυμορφοπυρήνα αποτελεί πιο ευαίσθητο δείκτη από το αντιγόνο CD55 για την παρουσία του ΠΝΑ κλώνου 4)είναι εντονότερη η παρουσία του ΠΝΑ φαινότυπου και ιδιαίτερα της ανεπάρκειας του CD59, στις τρείς τελευταίες χειρότερες-προγνωστικά υποομάδες ασθενών με MDS
description: In case of 110 individual, 38-89 years old, with Myeolodysplastic syndrome(MDS), 58 males and 52 females, who were classified in 6 subgroups : a)19 patients with refractory anaemia(RA), 42-78 years old, 10 males and 9 females, b)15 patients with refractory anaemia with ringed sideroblasts(RARS), 38-70 years old 7 males and 8 females, c)18 patients with refractory anaemia with excess of blasts in transformation(RAEB-t), 53-82 years old, 11 males and 6 females, e)21 patients with chronic myelomonocytic leukemia(CMML), 48-85 years old, 10 males and 11 females and m)control group-20 healthy donors, 35-78 years old, 10 males and 10 females the frequence of the occurence of the PNH clone on granulocytes was studied, by the method of flow cytometry analysis. The findings of the present study result the following conclusions, 1)the estimation and detection of the PNH clone is better by flow cytometric analysis of granulocytes than erythrocytes 2)small populations of CD55 -deficient granulocytes and CD59-deficient granulocytes are detected even in normal individuals, 3)the CD59 antigen in granulocytes is a more sensitive marker than CD55 antigen for the detection of the PNH clone, 4)the PNH phenotype is more intensive, mostly the CD59 deficiency, in the three last, of high risk subgroups of patients with MDS
Investigating the nature of absorption lines in the Chandra X-ray spectra of the neutron star binary 4U 1820-30
Creators: name: Cackett, E. M.
name: Miller, J. M.
name: Raymond, J.
name: Homan, J.
name: van der Klis, M.
name: Mendez, M.
name: Steeghs, D.
name: Wijnands, R.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We use four Chandra gratings spectra of the neutron star low-mass X-ray binary 4U 1820-30 to better understand the nature of certain X-ray absorption lines in X-ray binaries, including the NeII, NeIII, NeIX, OVII, and OVIII lines. The equivalent widths of the lines are generally consistent between the observations, as expected if these lines originate in the hot interstellar medium. No evidence was found that the lines were blueshifted, again supporting the interstellar medium origin, though this may be due to poor statistics. There is apparent variability in the OVIII Ly-alpha line equivalent width providing some evidence that at least some of the OVIII absorption arises within the system. However, the significance is marginal (2.4-sigma), and the lack of variation in the other lines casts some doubt on the reality of the variability. From calculating the equivalent hydrogen column densities for a range of Doppler parameters, we find they are consistent with the interstellar origin of the lines. Additionally we fit the spectra with photoionization models for locally absorbing material, and find that they can reproduce the spectrum well, but only when there is an extremely low filling factor. We conclude that both the ISM and local absorption remain possible for the origin of the lines, but that more sensitive observations are needed to search for low-level variability.
description: 10 pages, 4 figures, 4 tables, accepted to ApJ
Callionymidae
Creators: name: Golani, Daniel
name: Fricke, Ronald
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Perciformes
Callionymidae

description: CALLIONYMIDAE   * Callionymus bentuviai Fricke 1981
 Gulf of Suez: ¯
 Gulf of Aqaba: ¯
 Red Sea main basin: Eritrea (Fricke 1981a).
 General distribution: Southern Red Sea endemic.
 Callionymus delicatulus Smith 1963
 Gulf of Suez: ¯
 Gulf of Aqaba: Saudi Arabia (Fricke 1983).
 Red Sea main basin: Egypt (Fricke 1982), Eritrea (Fricke 1982).
 General distribution: Red Sea, Indo-West Pacific: Seychelles, Madagascar and Comoros to Maldives and Chagos Archipelago; Palau; Western Australia; Solomon Islands.
 Callionymus erythraeus Ninni 1934
 Gulf of Suez: ¯
 Gulf of Aqaba: ¯
 Red Sea main basin: Eritrea (Ninni 1934).
 General distribution: Southern Red Sea, northern Indian Ocean: Persian Gulf east to Singapore.
 Callionymus filamentosus Valenciennes 1837
 Gulf of Suez: Egypt (Norman 1929, Fricke 1983).
 Gulf of Aqaba: Egypt (Fricke 1983), Israel (Fricke 1983; Golani 1993), Jordan (Khalaf 2004).
 Red Sea main basin: Egypt (Klunzinger 1871), Sudan (Fricke 1983), Saudi Arabia (Fricke 1983).
 General distribution: Red Sea, Indo-West Pacific: East Africa east to Philippines and New Guinea.
 Remark: Lessepsian migrant to the eastern Mediterranean (Tortonese 1949).
 * Callionymus flavus Fricke 1983
 Gulf of Suez: ¯
description: Published as part of Golani, Daniel & Fricke, Ronald, 2018, Checklist of the Red Sea Fishes with delineation of the Gulf of Suez, Gulf of Aqaba, endemism and Lessepsian migrants, pp. 1-215 in Zootaxa 4509 (1) on page 144, DOI: 10.11646/zootaxa.4509.1.1, http://zenodo.org/record/2607566
Additional file 1 of Association between a single nucleotide polymorphism of the IL23R gene and tuberculosis in a Chinese Han population: a case‒control study
Creators: name: Zhang, Juan
name: Wang, Ming-Gui
name: Xiang, Xi
name: He, Jian-Qing
Publisher: name: figshare
Year: 2023
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Supplementary Material 1
[Elicitation session in pairs]
Creators: name: Palacio, Philip Tim
name: Cibelli, Emily
name: Sheil, Christine
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2020
Subjects: subject: cab

description: 4 WAV, 4 TextGrid, and 4 TXT files.
Polar interrogatives and passive 'wa' (esc_cms_01).
Garifuna reflexives and reciprocals (esc_cms_02).
Text transcription, work on text (esc_cms_03, esc_cms_04).
A Distributed Scheme for Stability Assessment in Large-Scale Structure-Preserving Models via Singular Perturbation
Creators: name: Gholami, Amin
name: Sun, Xu Andy
Publisher: name: arXiv
Year: 2021
Subjects: subject: Systems and Control (eess.SY)
subject: Dynamical Systems (math.DS)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Mathematics

description: Assessing small-signal stability of power systems composed of thousands of interacting generators is a computationally challenging task. To reduce the computational burden, this paper introduces a novel condition to assess and certify small-signal stability. Using this certificate, we can see the impact of network topology and system parameters (generators' damping and inertia) on the eigenvalues of the system. The proposed certificate is derived from rigorous analysis of the classical structure-preserving swing equation model and has a physically insightful interpretation related to the generators' parameters and reactive power. To develop the certificate, we use singular perturbation techniques, and in the process, we establish the relationship between the structure-preserving model and its singular perturbation counterpart. As the proposed method is fully distributed and uses only local measurements, its computational cost does not increase with the size of the system. The effectiveness of the scheme is numerically illustrated on the WSCC system.
description: https://hdl.handle.net/10125/71001
Responses of microbial communities and interaction networks to different management practices in tea plantation soils
Creators: name: Qiulong HU
Publisher: name: Zenodo
Year: 2019
Subjects: Long-term field experiments; High-throughput sequencing; Management practice; Microbial diversity; Microbial community; Network analysis

description: Figure S1: Rarefaction curves of soil bacteria from different tea plantations, Table S1:Dissimilarity test of bacterial community structure in tea plantation soils under different management practices based on Bray-Curtis distance, Table.S2: Relative abundance of dominant phylum in tea plantation soil bacterial community under different management practices, Table S3: The topological properties of networks in microbial communities of tea plantation soils under different management practices.
[Elicitation session in pairs]
Creators: name: Palacio, Philip Tim
name: Chen, I-Hsuan
name: Kang, Shinae
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2020
Subjects: subject: cab

description: 9 WAV, 7 LAB, 6 TextGrid, and 6 TXT files.
Garifuna comparatives (ihc_sak_01, ihc_sak_03).
Garifuna negations (ihc_sak_03).
Working on complementating sentences in Garifuna (ihc_sak_02, ihc_sak_04).
Going over the narrative elicitation and partially transcribing the first 1:50 of it (ehp_tes_01).
Future tense survey using the future tense instrument from Ostendahl, Tense and language (ehp_tes_02).
Το δικαίωμα στο περιβάλλον ως ανθρώπινο δικαίωμα: η ανάγκη θεσμοθέτησης ενός εκτελεστού δικαιώματος
Creators: name: Δημητριάδης, Πανταζής Ν.
Publisher: name: Aristotle University of Thessaloniki
Year: 2005
Subjects: Χάρτης της Γής
Διάσκεψη Στοκχόλμης
Charter of the Earth
Stockholm Conference

description: Σκοπός αυτής της διατριβής είναι να δώσει μια σφαιρική εικόνα για το δικαίωμα στο περιβάλλον ως ανθρώπινο δικαίωμα και την αναγκαιότητα εκτέλεσής του. Μέσα από τις αποφάσεις της Γ.Σ. των Η.Ε., της Ε.Ε. και του Συμβουλίου της Ευρώπης συνάγεται ότι απαιτείται "consensus" της διεθνούς κοινότητας και ο εννοιολογικός προσδιορισμός του ουσιαστικού δικαιώματος. Η έρευνα αυτή προτείνει επίσης την αποδοχή του παραπάνω δικαιώματος και την εκτέλεσή του μέσα από μηχανισμούς των ανθρωπίνων δικαιωμάτων
description: The aim of this thesis is to give an overall idea related to the subject of the right of environment as a human right and the necessity of implementation. Among resolutions and legal texts of U.N., E.U. and European Council. The result indicates that the right to the environment needs the "consensus" of the international community and a definition of this substantive right. This research recommends also the acceptance and implementation of this right through the mechanism of human rights
Tracing ultrafast interatomic electronic decay processes in real time and space
Creators: name: Kuleff, Alexander I.
name: Cederbaum, Lorenz S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Atomic and Molecular Clusters (physics.atm-clus)
subject: FOS: Physical sciences

description: Tremendous advances in laser pump-probe techniques open the door for the observation in real time of ultrafast \textit{electronic} processes. Particularly attractive is the visualization of interatomic processes where one can follow the process of energy transfer from one atom to another. The interatomic Coulombic decay (ICD) provides such a process which is abundant in nature. A multielectron wavepacket propagation method enables now to trace fully ab initio the electron dynamics of the process in real time and in space taking into account all electrons of the system and their correlations. The evolution of the electronic cloud throughout the ICD process in the rare gas cluster NeAr following Ne2s ionization is computed and analyzed. The process takes place on a femtosecond timescale, and a surprisingly strong response is found at a much shorter attosecond timescale.
description: 5 pages, 3 figures
Χωροθέτηση μονάδων παραγωγής σε περιβάλλον δικτύου υπό συνθήκες ανταγωνισμού
Creators: name: Παπαθανασίου, Ιάσων Β.
Publisher: name: Aristotle University of Thessaloniki
Year: 2005
Subjects: Μονάδες παραγωγής
Χωροθέτηση
Facilities
Location

description: Η χωροθέτηση των οικονομικών δραστηριοτήτων αποτελεί ένα αναπόσπαστο κομμάτι του στρατηγικού σχεδιασμού μιας επιχείρησης. Η διαδικασία λήψεως αποφάσεων που αδορούν μια τέτοια μακροπρόθεσμη επένδυση είναι ιδιαίτερα πολύπλοκη, με πολλά από τα θέματα που διαπραγματεύεται να ανήκουν στην κατηγορία των ΝΡ-Hard αλγορίθμων και κατά συνέπεια η πρόκληση για τους επιχειρησιακούς ερευνητές, που επιχειρούν να μοντελοποιήσουν μαθηματικά το εν λόγω πρόβλημα, είναι σημαντική. Για την επίλυση του προβλήματος ειδικά τα τελευταία χρόνια έχουν κάνει την ειδικά τα τελευταία χρόνια έχουν κάνει την εμφάνισή τους μια σειρά από μαθηματικά μοντέλα. Στην παρούσα εργασία παρουσιάζεται ένα τέτοιο μοντέλο το οποίο αναφέρεται σε κορεσμένες και ανταγωνιστικές αγορές, οι οποίες ενέχουν υψηλό επενδυτικό κίνδυνο και αφήνουν λίγα περιθώρια σφάλματος στους νεοεισερχόμενες. Χρησιμοποείται ένας προσεγγιστικός αλγόριθμος και γίνεται σύγκριση της λύσης που προσφέρει με την βέλτιστη. Ιδιαίτερη έμφαση δόθηκε στην ταχύτητα εκτέλεσης του προγράμματος τόσο κατά την σχεδίαση, όσο και την κωδικοποίηση του αλγόριθμου
description: The facility location problem constitutes a major part in the strategic planning of an entrprise. The decision making process for such a long term investment is rather complicated, with many of teh issues involved belonging to the NP-hard class of algorithms and therefore the challenge for the operational researchers who attempt to mathematically modulate the problem is significant. For the solution of the problem, especially in the latest years, a number of models have appeared. This paper introduces a model which refers to saturated and competitive markers, which include a high investment risk and few margins for errors to the newcomers. An approximation algorithm is used and the solution is then compared with the optimal one. Emphasis was given to the running time of the program, both in the designing and the implementation of the algorithm
Highly efficient multilayer organic pure-blue-light emitting diodes with substituted carbazoles compounds in the emitting layer
Creators: name: Fischer, Alexis
name: Forget, Sebastien
name: Chenais, Sebastien
name: Castex, Marie-Claude
name: Siove, Alain
name: Ades, Dominique
name: Geffroy, Bernard
name: Denis, Christine
name: Maisse, Pascal
Publisher: name: arXiv
Year: 2006
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Bright blue organic light-emitting diodes (OLEDs) based on 1,4,5,8,N-pentamethylcarbazole (PMC) and on dimer of N-ethylcarbazole (N,N'-diethyl-3,3'-bicarbazyl) (DEC) as emitting layers or as dopants in a 4,4'-bis(2,2'-diphenylvinyl)-1,1'-biphenyl (DPVBi) matrix are described. Pure blue-light with the C.I.E. coordinates x = 0.153 y = 0.100, electroluminescence efficiency η_{EL} of 0.4 cd/A, external quantum efficiency η_{ext.} of 0.6% and luminance L of 236 cd/m2 (at 60 mA/cm2) were obtained with PMC as an emitter and the 2,9-dimethyl-4,7-diphenyl-1,10-phenantroline (BCP) as a hole-blocking material in five-layer emitting devices. The highest efficiencies η_{EL.} of 4.7 cd/A, and η_{ext} = 3.3% were obtained with a four-layer structure and a DPVBi DEC-doped active layer (CIE coordinates x = 0.158, y=0.169, λ_{peak} = 456 nm). The η_{ext.} value is one the highest reported at this wavelength for blue OLEDs and is related to an internal quantum efficiency up to 20%.
Intramolecular phase separation of copolymer "bottle brushes": No sharp phase transition but a tunable length scale
Creators: name: Hsu, Hsiao-Ping
name: Paul, Wolfgang
name: Binder, Kurt
Publisher: name: arXiv
Year: 2006
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: A lattice model for a symmetrical copolymer "bottle brush" molecule, where two types (A,B) of flexible side chains are grafted with one chain end to a rigid backbone, is studied by a variant of the pruned-enriched Rosenbluth method (PERM), allowing for simultaneous growth of all side chains in the Monte Carlo sampling. Choosing repulsive binary interactions between unlike monomers and varying the solvent quality, it is found that phase separation into an $A$-rich part of the cylindrical molecule and a $B$-rich part can occur only locally. Long range order (in the direction of the backbone) does not occur, and hence the transition from the randomly mixed state of the bottle brush to the phase separated structure is strongly rounded, in contrast to corresponding mean field predictions. This lack of a phase transition can be understood from an analogy with spin models in one space dimension. We predict that the range of microphase separation along the bottle brush backbone can be controlled on the nanoscale by varying the solvent quality.
description: 5 pages, 7 figures. Edited for typos
Adversarial Specification Mining
Creators: name: Kang, Hong Jin
name: Lo, David
Publisher: name: arXiv
Year: 2021
Subjects: subject: Software Engineering (cs.SE)
subject: FOS: Computer and information sciences

description: There have been numerous studies on mining temporal specifications from execution traces. These approaches learn finite-state automata (FSA) from execution traces when running tests. To learn accurate specifications of a software system, many tests are required. Existing approaches generalize from a limited number of traces or use simple test generation strategies. Unfortunately, these strategies may not exercise uncommon usage patterns of a software system. To address this problem, we propose a new approach, adversarial specification mining, and develop a prototype, DICE (Diversity through Counter-Examples). DICE has two components: DICE-Tester and DICE-Miner. After mining Linear Temporal Logic specifications from an input test suite, DICE-Tester adversarially guides test generation, searching for counterexamples to these specifications to invalidate spurious properties. These counterexamples represent gaps in the diversity of the input test suite. This process produces execution traces of usage patterns that were unrepresented in the input test suite. Next, we propose a new specification inference algorithm, DICE-Miner, to infer FSAs using the traces, guided by the temporal specifications. We find that the inferred specifications are of higher quality than those produced by existing state-of-the-art specification miners. Finally, we use the FSAs in a fuzzer for servers of stateful protocols, increasing its coverage.
description: Kang, Hong Jin, and David Lo. "Adversarial Specification Mining." ACM Transactions on Software Engineering and Methodology (TOSEM) 30.2 (2021): 1-40. The version that is on arxiv is the authors' version. The definitive version can be found at https://dl.acm.org/doi/10.1145/3424307
Μελέτη διφασικών ροών
Creators: name: Μακρής, Δημήτρης Μ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2005
Subjects: Lagrangian method
Eulerian method

description: Στην παρούσα εργασία έγινε μία προσπάθεια προσομοίωσης διφασικής διαχωρισμένης ροής με τη βοήθεια αριθμητικών μεθόδων επίλυσης. Τα πεδία ροής που μελετούνται είναι οι τρισδιάστατοι αγωγοί ορθογωνικής και κυκλικής διατομής. Στο πρώτο εφαρμόζεται μέθοδος κινούμενων πλεγμάτων και επιλύεται η ροή φιλμ υγρού-αερίου. Στο δεύτερο πεδίο χρησιμοποιούνται στατικά πλέγματα και επιλύεται με μέθοδο τύπου VOF η ροή υγρού-αερίου. Και στις δύο περιπτώσεις ο αγωγός είναι τοποθετημένος με κλίση ώστε η βαρύτητα να είναι η κύρια αιτία κίνησης του υγρού. Η επιλογή των δύο φάσεων έγινε για τη δυσμενή περίπτωση υγρού-αερίου, όπου οι σχέσεις πυκνοτήτων-ιξώδους είναι μεγάλες, όπως για παράδειγμα του νερού-αέρα. Οι απότομες κλίσεις των πυκνοτήτων-ιξώδους στο υπολογιστικό πεδίο είναι πηγή έντονων ασταθειών και ταλαντώσεων. Οι δυνάμεις ιξώδους μεταξύ των ρευστών δε μπορεί να αμεληθούν, ενώ τα πεδία πιέσεων των δύο ρευστών αλληλεπιδρούν δυναμικά. Η ροή μελετήθηκε για χαμηλές ταχύτητες εισόδου υγρού-αερίου της ίδιας τάξης, Rei=100-500 για το υγρό και Reg=198-264 για το αέριο. Οι παράμετροι ροής που εξετάσθηκαν είναι το αρχικό ύψος της διεπιφάνειας, η κλιση του πεδίου ροής και το χωρικό βήμα ολοκλήρωσης
description: In this present thesis, there has been an effort of simulating a two-phase stratified flow by using arithmetical methods. The flow fields, which are examined are three dimensional ducts or orthogonal and circular cross-section. In the first one, the moving grids method is being used and the film liquid-gas flow is being solved. At the second one static grids are being used and the liquid-gas flow is being solved with the VOF method. In both cases the duct is placed with an inclination, so the main cause of the liquid movement is the gravity. The choise of the phases was done for the unfavourable case in which difference between densities and viscosities are large. An example is the air-water flow. The rough grade of both densities and viscosities owe a source of intense instabilities. The viscosity force between fluids cannot be neglected. The pressure fields of the fluids react dynamically. The inlet velocity of the flow was assumed to be low in this study and the Reynolds numbers were Rei=100-500 for the liquid and Reg=198-264 for the gas. The flow parameters that are examined is the initial flow height of the interface, the inclination of the flow field and the integration space step