cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Classical Disordered Ground States: Super-Ideal Gases, and Stealth and Equi-Luminous Materials
Creators: name: Batten, Robert D.
name: Stillinger, Frank H.
name: Torquato, Salvatore
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Using a collective coordinate numerical optimization procedure, we construct ground-state configurations of interacting particle systems in various space dimensions so that the scattering of radiation exactly matches a prescribed pattern for a set of wave vectors. We show that the constructed ground states are, counterintuitively, disordered (i.e., possess no long-range order) in the infinite-volume limit. We focus on three classes of configurations with unique radiation scattering characteristics: (i)``stealth'' materials, which are transparent to incident radiation at certain wavelengths; (ii)``super-ideal'' gases, which scatter radiation identically to that of an ensemble of ideal gas configurations for a selected set of wave vectors; and (iii)``equi-luminous'' materials, which scatter radiation equally intensely for a selected set of wave vectors. We find that ground-state configurations have an increased tendency to contain clusters of particles as one increases the prescribed luminosity. Limitations and consequences of this procedure are detailed.
description: 44 pages, 16 figures, revtek4
Κατεργασία κόνεων για την παρασκευή σύνθετων υλικών τεχνολογίας
Creators: name: Κάβουρας, Παναγιώτης Ν.
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Αδρανοποίηση
Κατεργασία κόνεων
Μικροδομή
Μόλυβδος
Υαλοποίηση
Τοξικά απόβλητα
Stabilisation
Powder processing
Microstructure
Lead
Vitrification
Toxic wastes

description: Στόχοι της διατριβής ήταν η αδρανοποίηση ενός τοξικού πλούσιου σε μόλυβδο βιομηχανικού απόβλητου, με μεθόδους κατεργασίας κόνεων του με σκόνες φυσικών πρώτων υλών. Επίσης, ήταν η σύνδεση μακροσκοπικών ιδιοτήτων των προϊόντων με τη μικροδομή τους. Ακόμα, η διερεύνηση δυνατότητας εφαρμογής της μεθόδου αδρανοποίησης σε ευρεία κλίμακα και η παραγωγή εμπορεύσιμων προϊόντων. Τέλος η προσομοίωση των προϊόντων με υλικά που αποτελούνται από σκόνες καθαρών οξειδίων. Αποδείχθηκε ότι η μέθοδος κατεργασίας κόνεων δημιουργεί τις κατάλληλες συνθήκες για την αδρανοποίηση του μολύβδου σε εργαστηριακή κλίμακα. Ο μόλυβδος εγκλωβίζεται στο υαλώδες δίκτυο με δυνάμεις ηλεκτροστατικής φύσης. Οι θερμικές κατεργασίες των αρχικών προϊόντων διατηρούν τη χημική αδράνεια, όταν στην κατασκευή των διαχωρισμένων φάσεων συμμετέχει και ένα τουλάχιστον οξείδιο τροποποιητή δικτύου. Όταν η τέφρα αντικατασταθεί από μείγμα οξειδίων Fe2O3 και PbO, σε κατάλληλη αναλογία, προκύπτει υλικό το οποίο έχει τις ίδιες ιδιότητες (φυσικές και χημικές) με το αντίστοιχης σύστασης υλικό που περιέχει το τοξικό απόβλητο. Οι πειραματικές μέθοδοι που εφαρμόστηκαν είναι οι: οπτική μικροσκοπία, SEM, EDS, TEM, HRTEM, IRS, XRD, leaching tests (TCLP), μέθοδοι στατικής εντύπωσης.
description: Goals of the Ph.D. thesis were: The stabilization of a toxic solid waste rich in lead by powder processing of the waste with natural raw materials. Additionally, we aimed at the connection of macroscopic properties with the microstructure of the stabilised products and the possibility to apply the results to large-scale production of marketable materials. It was shown that powder processing methods induce the appropriate conditions for lead stabilisation in laboratory and large-scale production. Lead is captivated in the vitreous network by electrostatic forces. Thermally treated products remain chemically stabilised, according to the USEPA standards, when the separated crystal phases contain at least one modifying oxide. Replacement of the waste from a mixture of Fe2O3 powders, in appropriate proportion, results to the production of materials with similar physical and chemical properties with the corresponding waste containing products. The experimental methods used were: SEM, EDS, TEM, HRTEM, DTA, IRS, XRD, leaching tests (TCLP), and static indentations tests.
Vortex-like kinematic signal, spirals, and beam smearing effect in the HD 142527 disk
Creators: name: Boehler, Y.
name: Ménard, F.
name: Robert, C. M. T.
name: Isella, A.
name: Pinte, C.
name: Gonzalez, J. -F.
name: van der Plas, G.
name: Weaver, E.
name: Teague, R.
name: Garg, H.
name: Méheut, H.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Vortices are one of the most promising mechanisms to locally concentrate millimeter dust grains and allow the formation of planetesimals through gravitational collapse. The outer disk around the binary system HD 142527 is known for its large horseshoe structure with azimuthal contrasts of 3-5 in the gas surface density and of about 50 in the dust. Using 13CO and C18O J = 3-2 transition lines, we detect kinematic deviations to the Keplerian rotation, which are consistent with the presence of a large vortex around the dust crescent, as well as a few spirals in the outer regions of the disk. Comparisons with a vortex model suggest velocity deviations up to 350 m/s after deprojection compared to the background Keplerian rotation, as well as an extension of about 40 au radially on both sides of the vortex and 200 degrees azimuthally, yielding an azimuthal-to-radial aspect ratio of 5. Another alternative for explaining the vortex-like signal implies artificial velocity deviations generated by beam smearing in association with variations of the gas velocity due to gas pressure gradients at the inner and outer edges of the circumbinary disk. The two scenarios are currently difficult to differentiate and, for this purpose, would probably require the use of multiple lines at a higher spatial resolution. The beam smearing effect, due to the finite spatial resolution of the observations and gradients in the line emission, should be common in observations of protoplanetary disks and may lead to misinterpretations of the gas velocity, in particular around ring-like structures.
description: 15 pages, 10 figures
Muti mutanti. Frankenstein scopre il cinema
Creators: name: Faccioli, Alessandro
Publisher: name: Cinergie – Il Cinema e le altre Arti
Year: 2019
Subjects: silent cinema; Frankenstein; fantasy; voice; silence

description: The myth of Frankenstein received little attention from the world of international silent cinema. However, with the transition to sound, it was quickly embraced by the silver screen. This work will examine three specific issues: the voice and the silence of the Monster; the recognition of the genre of the fantastic in Italian silent cinema; the shared nature of both the Monster and the cinematographic apparatus.
description: Cinergie – Il Cinema e le altre Arti, N. 15 (2019)
Heights on the finite projective line
Creators: name: Nathanson, Melvyn B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Number Theory (math.NT)
subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 11A07, 11G50, 11T99, 05C38

description: Define the height function h(a) = min{k+(ka\mod p): k=1,2,...,p-1} for a = 0,1,...,p-1. It is proved that the height has peaks at p, (p+1)/2, and (p+c)/3, that these peaks occur at a= [p/3], (p-3)/2, (p-1)/2, [2p/3], p-3,p-2, and p-1, and that h(a) \leq p/3 for all other values of a.
description: 10 pages, 1 figure
Cine-Traffic in the Air: the Geographies of Inflight Movies from a Selection of European Airlines
Creators: name: Rossi, Emiliano
Publisher: name: Cinergie – Il Cinema e le altre Arti
Year: 2019
Subjects: Cinema; Inflight; Global; National; Branding

description: Airplanes have emerged as less and less peripheral spaces of cinematic fruition. Inflight entertainment, indeed, is currently perceived as an amenity commonly provided onboard aircrafts. On these assumptions, the essay examines on-the-fly cinema primarily in terms of industrial practices and commercial strategies. A theoretical overview will clarify some of the issues most recurrently associated to film consumption within planes, often described as enclosed topological environments featuring a composite social structure dominated by a sense of transience and in-betweenness. Inflight distribution has developed as a crucial stage for the global circulation of hundreds of cinematic titles, as well as a highly-lucrative niche market. First and foremost, such a unique receptive frame implies questions of physical and cultural mobility. Consequently, the study is based on a multivariable data-oriented analysis, conducted on the onboard videocatalogues of five European full-service carriers. The findings derived from comparative assessments indicate that inflight cinema became a sign of the times of civil aviation mainly due to its disruptive role for differentiation among companies. In detailing this, tensions between local and global stances have necessarily to be taken into account. Given that the same aggregation of contents may be regarded as a process of branding, the exaltation of various geographies, both on a suvra-national and hyper-domestic level, is identified as the main factor driving the airlines within the filmic selection.
description: Cinergie – Il Cinema e le altre Arti, N. 15 (2019)
Αποκλεισμός εταίρου εταιρίας περιορισμένης ευθύνης για σπουδαίο λόγο
Creators: name: Χατζημιχαήλ, Δημήτριος Π.
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Αποκλεισμός εταίρου
Shareholder's exclusion

description: Η εργασία αυτή αποσκοπεί στην αναλυτική εξέταση της διαδικασίας αποκλεισμού ενός εταίρου από μια Ε.Π.Ε. κατά το άρθρο 33$3 v.3190/55. Στα πλαίσια αυτά προσδιορίζεται η σκοπιμότητα της νομοθετικής ρύθμισης και ερευνόνται οι επιμέρους προϋποθέσεις αποκλεισμού(ύπαρξη επε, σπουδαίος λόγος, λήψη απόφασης της συνέλευσης εταίρων υπέρ του αποκλεισμού, έκδοση δικαστικής απόφασης που διατάσσει τον αποκλεισμ'ο). Επίσης, εξετάζεται η διαδικασία προσδιορισμού και καταβολής της αξίας της μερίδας συμμετοχής του αποκλειόμενου και τέλος τα αποτελέσματα του αποκλεισμού. Ιδιαίτερη βαρύτατα δόθηκε στην εξέταση αποκλεισμού εταίρου από διμελή επε και τη λειτουργία του αποκλεισμού ως το έσχατο μέσο επίλυσης των εταιρικών διαφορών. Η εργασία θεμελιώθηκε στην έρευνα και ανάλυση τόσο νομοθετικών διατάξεων του ελληνικού και αλλοδαπώνδιακίων, στην ελληνική και ξενόγλωσση βιβλιογραφία, όσο και στην ελληνική και αλλοδαπή νομολογία σε θέματα αποκλεισμού. Διαπιστώνεται ότι ο ν.3190/55 ρυθμίζει με επάρκεια τη διαδικασία αποκλεισμού, επισημαίνεται η θετική επιλογή της γενικής ρήτρας του σπουδαίου λόγου και προτείνεται τόσο η εισαγωγή νομοθετικής ρύθμισης για τον αποκλειαμό από διμελή επε, όσο και η ειδικότερη ρύθμιση της σχετικής διαδικασίας με καταστατικές ρήτρες
description: Aim and structure. This research was carried out in order to focus on the legal aspects of a partner's exclusion from a private company(E.P.E.), according to the art 33$3 of the L.3190/55. The aim of this research is twofold. The first is to give a specific analysis of the law requirements and the application of a partner's exclusion(i.e. the existance of a just and equitable reason, a decision of the general meeting of the shareholders and the juridical decision). The second objective is to explore the necessity, desirability and the effectiveness of the application of a partner's exclusion procedure as the ultimate medium of a action for the succesful settlement of company's disputes. Method and results. Through inductive and deductive method we defined the general principles, the criteria and the causal nexus for the re-establishment of the order inside the company through the application of a partner's exclusion. We concluded that the expulsion procedure has the efficiency and the flexibility to regulate succesfully company's disputes
Decay modes of 250No
Creators: name: Peterson, D.
name: Back, B. B.
name: Janssens, R. V. F.
name: Khoo, T. L.
name: Lister, C. J.
name: Seweryniak, D.
name: Ahmad, I.
name: Carpenter, M. P.
name: Davids, C. N.
name: Hecht, A. A.
name: Jiang, C. L.
name: Lauritsen, T.
name: Wang, X.
name: Zhu, S.
name: Kondev, F. G.
name: Heinz, A.
name: Qian, J.
name: Winkler, R.
name: Chowdhury, P.
name: Tandel, S. K.
name: Tandel, U. S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The Fragment Mass Analyzer at the ATLAS facility has been used to unambiguously identify the mass number associated with different decay modes of the nobelium isotopes produced via 204Pb(48Ca,xn)(252-x)No reactions. Isotopically pure (>99.7%) 204Pb targets were used to reduce background from more favored reactions on heavier lead isotopes. Two spontaneous fission half-lives (t_1/2 = 3.7+1.1-0.8 us and 43+22-15 us) were deduced from a total of 158 fission events. Both decays originate from 250No rather than from neighboring isotopes as previously suggested. The longer activity most likely corresponds to a K-isomer in this nucleus. No conclusive evidence for an alpha branch was observed, resulting in upper limits of 2.1% for the shorter lifetime and 3.4% for the longer activity.
description: RevTex4, 10 pages, 5 figures, submitted to PRC
Παρουσία ενεργών τύπων οξυγόνου στο νωπό και στο κατεψυγμένο-αποψυγμένο σπέρμα του σκύλου και συσχέτιση τους με άλλες παραμέτρους εκτίμησης του σπέρματος
Creators: name: Τσέλκας, Κωνσταντίνος Ι.
Publisher: name: Aristotle University of Thessaloniki
Year: 2002
Subjects: Ενεργοί τύποι οξυγόνου
Κατάψυξη σπέρματος
Ανιόν σουπεροξειδίου
Reactive oxygen species
Semen freezing
Superoxide anion

description: Αντικείμενο αυτής της έρευνας αποτέλεσε η μελέτη της παρουσίας ενεργών τύπων οξυγόνου και συγκεκριμένα των ανιόντων σουπεροξειδίου (O2-) στο νωπό και στο κατεψυγμένο-αποψυγμένο σπέρμα του σκύλου. Επίσης μελετήθηκε η πιθανή συσχέτιση του ρυθμού παραγωγής τους με άλλες γνωστές παραμέτρους εκτίμησης του σπέρματος. Από την στατιστική ανάλυση των αποτελεσμάτων προέκυψε ότι: Ανιόντα σουπεροξειδίου ανιχνεύονται στο νωπό σπέρμα πολλών σκύλων με φυσιολογικές τις άλλες παραμέτρους εκτίμησης του (41% στην έρευνά μας). Η διαδικασία της κατάψυξης-απόψυξης προκαλεί σημαντική άυξηση του ρυθμού σχηματισμού ανιόντων σουπεροξειδίου. Ο ρυθμός παραγωγής ανιόντων σουπεροξειδίου επιδρά τόσο στη λειτουργικότητα της κυτταρικής μεμβράνης των σπερματοζωαρίων, όσο και στη μορφολογία τους.
description: The objective of this work, was to study the presence of reactive oxygen species (ROS), especially superoxide anion (O2-), in fresh and frozen-thawed canine semen, its effect and relationship with other semen parameters and whether the freezing-thawing process influences the O2- production rate. After statistical analysis it was concluded that: Superoxide anions were detected in fresh semen of many dogs with the other seminal parameters in normal levels (41% in our study). The freezing-thawing process induced a significant increase in O2- influences in plasma membrane function of dog spermatozoa, as well as in their morphology.
Δημιουργία και ανάλυση γενετικά τροποποιημένων φυτών
Creators: name: Μαδέσης, Παναγιώτης
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Γενετική τροποποίηση
Καπνός
Κερκοσπορίνη
Ενεργές ρίζες οξυγόνου
Γενετική τροποποίηση χλωροπλαστών
Πιπεριά
Genetic engineering
Tobacco
Cercosporion
CPD 1
Chloroplast transformation
Pepper

description: Οι μύκητες του γένους Cercospora προσβάλλουν το φύλλωμα των φυτών. Η παθογένειά τους οφείλεται στην παραγωγή της κερκοσπορίνης που στην ενεργή της μορφή αλληλεπιδρά με το μοριακό οξυγόνο για να παράγει ενεργές ρίζες οξυγόνου (ROS). Δημιουργήθηκαν 6 γενετικά τροποποιημένα φυτά καπνού τα οποία φέρουν το γονίδιο cpd1 που κωδικοποιεί μια διαμεμβρανική οξειδοαναγωγάση. Η έκφραση του γονιδίου cpd1 στα γενετικά τροποποιημένα φυτά καπνού οδήγησε στη δημιουργία φυτών ανθεκτικών στην κερκοσπορίνη. Το γονίδιο cpd1 κληρονομείται σταθερά στις Τ1 και Τ2 γενεές. Για τη γενετική τροποποίηση των χλωροπλαστών χρησιμοποιήθηκε η βιοβαλιστική μέθοδος. Η αναγέννηση επιτεύχθηκε σε υπόστρωμα MS συμπληρωμένο με 5mg/L ΒΑ και 4mg/L PAA. Η επιμήκυνση σε υπόστρωμα επιλογής ΜS συμπληρωμένο με 2mg/L BA και 1mg/L PAA και με 1mg/L GA3 και η ριζοβολία επιτεύχθηκε με την προσθήκη μόνο NAA (1mg/L). Όλα τα υποστρώματα συμπληρώνονται με 50 mg/L σπεκτινομυκίνη ως αντιβιοτικό επιλογής. Η γενετική τροποποίηση του χλωροπλαστικού γενώματος της πιπεριάς πιστοποιήθηκε με τη μέθοδο της PCR για την ύπαρξη του γονιδίου aadA και uidA.
description: Fungi of genus Cercospora cause disease in a wide range of economically important crops. Most phytopathogenic species of the Cercospora genus produce a non-host-specific, photoactivated toxin (cercosporin) which interacts with molecular oxygen to produce reactive oxygen species (ROS). Six transgenic tobacco clones have been developed carrying and expressing cpd1 gene which encodes a putative reductase. Using ion leakage was found that the transgenic clones showed significant differences from control plants. Statistical analysis has showed that there has been a significant (p≤0,007) increase in tolerance of transgenic tobacco to cercosporin as measured by ion leakage. The cpd1 gene was detected by PCR in T1 and T2 generation showing that is constantly inherited. Genetic engineering of pepper chloroplast genome was achieved using the biolistic procedure with plasmid pUM 83. The best media for regeneration was the MS supplemented with 5mg/L BA and 4mg/L PAA, for elongation the MS supplemented with 2mg/L BA, 1mg/L PAA and 1mg/L GA3, and for rooting the MS supplemented with 1mg/L NAA. All media were supplemented with 50mg/L spectimycine. The aadA and uidA.
Baring the Soul. Cinema and Society in Playmen Magazine (1967–1972) Readers’ Letters
Creators: name: Rigola, Gabriele
Publisher: name: Cinergie – Il Cinema e le altre Arti
Year: 2019
Subjects: Cinema; Erotic Magazine; Letters; Playmen; Stardom

description: This article examines several trends in the Readers’ Letters column of Playmen, the Italian erotic monthly magazine, during the first five years it was published. In particular, the essay aims to investigate the role of the column and readers’ letters in deciphering the change in male and gender roles in Italian society of that time. We will examine the development of a new readership, users of popular magazines dedicated to men, and a complex network of media products related to eroticism and sexuality as we look at themes and trends arising in each month’s letters. We will observe in detail the role of films and filmmaking, and fan worship fantasies in this period of social change and intermedia exchanges.
description: Cinergie – Il Cinema e le altre Arti, N. 15 (2019)
Cosmological Constraints From the 100 Square Degree Weak Lensing Survey
Creators: name: Benjamin, Jonathan
name: Heymans, Catherine
name: Semboloni, Elisabetta
name: Van Waerbeke, Ludovic
name: Hoekstra, Henk
name: Erben, Thomas
name: Gladders, Michael D.
name: Hetterscheidt, Marco
name: Mellier, Yannick
name: Yee, H. K. C.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a cosmic shear analysis of the 100 square degree weak lensing survey, combining data from the CFHTLS-Wide, RCS, VIRMOS-DESCART and GaBoDS surveys. Spanning ~100 square degrees, with a median source redshift z~0.78, this combined survey allows us to place tight joint constraints on the matter density parameter Omega_m, and the amplitude of the matter power spectrum sigma_8, finding sigma_8*(Omega_m/0.24)^0.59 = 0.84+/-0.05. Tables of the measured shear correlation function and the calculated covariance matrix for each survey are included. The accuracy of our results is a marked improvement on previous work owing to three important differences in our analysis; we correctly account for cosmic variance errors by including a non-Gaussian contribution estimated from numerical simulations; we correct the measured shear for a calibration bias as estimated from simulated data; we model the redshift distribution, n(z), of each survey from the largest deep photometric redshift catalogue currently available from the CFHTLS-Deep. This catalogue is randomly sampled to reproduce the magnitude distribution of each survey with the resulting survey dependent n(z) parametrised using two different models. While our results are consistent for the n(z) models tested, we find that our cosmological parameter constraints depend weakly (at the 5% level) on the inclusion or exclusion of galaxies with low confidence photometric redshift estimates (z>1.5). These high redshift galaxies are relatively few in number but contribute a significant weak lensing signal. It will therefore be important for future weak lensing surveys to obtain near-infra-red data to reliably determine the number of high redshift galaxies in cosmic shear analyses.
description: 14 pages, 6 figures, accepted for publication by MNRAS
Αξιολόγηση της συμβολής του υδατικού δυναμικού στην περιφερειακή ανάπτυξη με τη χρήση ποσοτικών μεθόδων (περίπτωση της Δυτικής Θεσσαλίας)
Creators: name: Σοφιός, Σπυρίδων Χ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Υδατικό δυναμικό
Περιφερειακή ανάπτυξη
Ποσοτικές μέθοδοι
Αλυσίδες Markov
Πίνακες εισροών-εκροών
Εξατμησοδιαπνοή
Water potential
Regional development
Quantitative methods
Markov chains
Input-output tables
Evaporation

description: Στη διατριβή εκτιμάται η συμβολή του υδατικού δυναμικού στην περιφερειακή ανάπτυξη. Ως περιοχή έρευνας επιλέχθηκε η Δ.Θεσσαλία που περιλαμβάνει τους νομούς Καρδίτσας και Τρικάλων. Η περιοχή έρευνας διακρίνεται για τον αγροτικό της χαρακτήρα καθώς και πρόοδο που παρατηρείται στον τριτογενή τομέα της οικονομίας. Επιμέρους στόχοι της έρευνας είναι ο υπολογισμός της μακροχρόνιας τάσης των βροχοπτώσεων, η κατασκευή πίνακα εισροών-εκροών για την εξεταζόμενη περιοχή, ο υπολογισμός του υδατικού δυναμικού της πραγματικής και της δυνητικής εξατμησοδιαπνοής καθώς και η υποβολή προτάσεων για την εξάλειψη των περιφερειακών ανισοτήτων, την άνοδο του βιοτικού επιπέδου, την ορθολογική χρήση και την αξιοποίηση των υδατικών πόρων που παραμένουν ανεκμετάλευτοι.
description: In this thesis becomes an effort to evaluate the contribution of water potential in the regional development. As region of research was selected the Western Thessaly which includes the perfectures of Karditsa and Trikala. Western Thessaly is distinguished for its rural character as well as for the progress that is observed in the tertiary sector of economy. Individual objectives of particular research are the calculation of long-lasting tendences of rainfalls, the built of input-output table for the area under review, the calculation of water potential real and potential evaporation as well as the submission of proposals for the obliteration of regional inequalities, the rise of biotic level, the rational use of water resources as well as the exploitation of water resources that remain unexploited.
On the energy of a flow arising in shape optimization
Creators: name: Cardaliaguet, Pierre
name: Ley, Olivier
Publisher: name: arXiv
Year: 2006
Subjects: subject: Analysis of PDEs (math.AP)
subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: In Cardaliaguet-Ley (2006) we have defined a viscosity solution for the gradient flow of the exterior Bernoulli free boundary problem. We prove here that the associated energy is non decreasing along the flow. This justifies the "gradient flow" approach for such kind of problem. The proof relies on the construction of a discrete gradient flow in the flavour of Almgren-Taylor-Wang (1993) and on proving it converges to the viscosity solution.
Effective field theory on a finite boundary of the Bruhat-Tits tree
Creators: name: Qu, Feng
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Based on bulk reconstruction from the finite boundary of the Bruhat-Tits tree, the boundary effective theory is obtained after integrating out fields outside this boundary. According to the $~p$-adic version of Anti-de Sitter/Conformal Field Theory duality, two-point functions of dual theory living on the finite boundary are read out from the effective action. They can be regarded as two-point functions of a deformed conformal field theory over $~p$-adic numbers.
description: v2: 13 pages, 5 figures, accepted version, to appear in PRD; v3: typos corrected, title changed to match the published version
Cosmic rays through the Higgs portal
Creators: name: Dick, Rainer
name: Mann, Robert B.
name: Wunderle, Kai E.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider electroweak singlet dark matter with a mass comparable to the Higgs mass. The singlet is assumed to couple to standard matter through a perturbative coupling to the Higgs particle. The annihilation of a singlet with a mass comparable to the Higgs mass is dominated by proximity to the W, Z and Higgs peaks in the annihilation cross section. We find that the continuous photon spectrum from annihilation of a perturbatively coupled singlet in the galactic halo can reach a level of several per mil of the EGRET diffuse gamma ray flux.
description: 21 pages, 13 figures
Δυναμική εξέλιξη στις περιοχές συντονισμών στο εξωτερικό ηλιακό σύστημα
Creators: name: Κωτούλας, Θωμάς
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Περιοδικές τροχιές και ευστάθεια
Φασματική ανάλυση τροχιών
Χώρος των φάσεων
Periodic orbits and stability
Symplectic mappings
Spectral analysis of trajectories
Phase space
Συμπλεκτικές απεικονίσεις

description: Αντικείμενο της παρούσης διατριβής αποτελεί η δυναμική εξέλιξη σωμάτων που βρίσκονται σε μια ζώνη πέρα από την τροχιά του Ποσειδώνα και καλείται ζώνη Kuiper. Στο πρώτο μέρος της εργασίας υπολογίσαμε οικογένειες επιπέδων και τρισδιάστατων περιοδικών τροχιών χρησιμοποιώντας το μοντέλο του περιορισμένου προβλήματος των 3-σωμάτων με τον ήλιο και τον Ποσειδώνα ως προτεύοντα. Μελετήσαμε επίσης την ευστάθεια τους. Δόθηκε ιδιαίτερη έμφαση στους συντονισμούς μέσης κίνησης 1/2, 2/3 & 3/4. Τα αποτελέσματα χρησίμευσαν στον καθορισμό της τοπολογίας τοΥ χώρου των φάσεων. Στο δεύτερο μέρος κατασκευάσαμε ένα συμπλεκτικό μοντέλο απεικόνισης με σκοπό να μελετήσουμε τη δυναμική ε΄ξέλιξη μικρών σωμάτων κοντά στο συντονισμό 3/4. Εξετάσαμε πολλούς τύπους τροχιών με διαφορετική αρχική φάση. Στο τρίτο μέρος κάναμε μια συγκριτική μελέτη της δυναμικής στους συντονισμούς 2/3 & 3/4. Χρησιμοποιώντας μια μέθοδο φασματικής ανάλυσης τροχιών, κατασκευάσαμε χάρτες που δείχνουν περιοχές κανονικής και χαοτικής κίνησης στο χώρο φάσης. Τα αποτελέσματα χρησίμευσαν στην εξήγηση της κατανομής σωμάτων στους συντονισμούς αυτούς
description: The subject of the present phd. thesis is the dynamical evolution of small bodies which are located in a belt, beyond the orbit of neptune and is called Kuiper-Belt. In the first part of this work we computed families of planar and three-dimensional periodic orbits and studied their stability using the restricted 3-body problem with sun and neptune as primaries. We emphasized at 1/2, 2/3, 3/4 mean motion resonances. In the second part we constructed a symplectic mapping model in order to study the dynamical evolution of small bodies near the 3/4 resonance. In the third part we made a comparative study of the dynamics at the 2/3 & 3/4 resonances. Using a spectral analysis method of trajectories, we constructed maps which show regular and chaotic motion in planar and spatial problem. The results were used for the explanation of the present distribution of small bodies at 2/3 & 3/4 resonances
An antibacterial Co(II) mononuclear compound containing N,N-bis(3,5-dichlorosalicylidene)hydrazine obtained from 3,5-dichlorosalicylaldehyde thiosemicarbazone in hydrothermal conditions
Creators: name: Wang, Yuan-Peng
name: Wang, Yu-Chang
name: Zhang, Xiao
name: Zhang, Jia-Jia
name: Liu, Xin-Yue
name: Wang, Wei-Li
name: Yan, Wen-Fu
name: Jin, Juan
name: Guo, Ying-Chun
name: Jiang, Ting-Ting
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biophysics
subject: Biochemistry
subject: Physical Sciences not elsewhere classified
subject: Microbiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified
subject: Biological Sciences not elsewhere classified
subject: Infectious Diseases
subject: FOS: Health sciences

description: A mononuclear compound, [Co(L1)2(H2O)]·2H2O (1), where L1 = N,N-bis(3,5-dichlorosalicylidene)hydrazine, was synthesized under hydrothermal conditions. Note that L1 is derived from the hydrothermal in situ reaction of L2 (L2 = 3,5-dichlorosalicylaldehyde thiosemicarbazone). L2 is prepared by reflux using 3,5-dichlorosalicylic aldehyde and thiosemicarbazide. Although 1 is only a mononuclear structure coordinated with L1, intermolecular hydrogen-bonded interactions between two adjacent mononuclear units creates a 1D supramolecular chain. Furthermore, it self-assembles into a fascinating 2D supramolecular layer via π⋅⋅⋅π stacking between benzene rings of adjacent chains. Hirshfeld surfaces and fingerprint maps of 1 were applied to obtain data on non-covalent interactions. Antibacterial analysis shows that 1 is a potential antibacterial material and the bacteriostasis rate is higher than that of L1 (E. coli: 89.41% for 1, 29.09% for L1; MRSA: 93.17% for 1, 38.54% for L1). The solid and liquid photoluminescence properties of 1 and L1 were also investigated.
PREVALENCE AND FACTORS RELATED TO DENTAL CARIES AMONG 6 YEAR-OLD CHILDREN IN NHA TRANG CITY KHANH HOA PROVINCE, VIETNAM
Creators: name: Nguyen Thi Hai Yen
name: Naowarat Kanchanakhan
Publisher: name: Chulalongkorn Universtiy Press
Year: 2015
Subjects: Dental caries,Dental health,Children,Vietnam

description: 4, 29, Journal of Health Research
What can the braking indices tell us about pulsars' nature?
Creators: name: Yue, Y. L.
name: Xu, R. X.
name: Zhu, W. W.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: As a result of observational difficulties, braking indices of only six rotation-powered pulsars are obtained with certainty, all of which are remarkably smaller than the value ($n=3$) expected for pure magnetodipole radiation model. This is still a real fundamental question not being well answered after nearly forty years of the discovery of pulsar. The main problem is that we are shamefully not sure about the dominant mechanisms that result in pulsars' spin-down. Based on the previous works, the braking index is re-examined, with a conclusion of suggesting a constant gap potential drop for pulsars with magnetospheric activities. New constrains on model parameters from observed braking indices are presented.
description: 10 pages, 4 figures, submitted to "Advances in Space Research" (Proceedings of COSPAR 2006)
HEALTH RISK ASSESSMENT AND BTEX EXPOSURE AMONG CAR PARK WORKERS AT A PARKING STRUCTURE IN BANGKOK, THAILAND
Creators: name: Wassana Loonsamrong
name: Nutta Taneepanichskul
name: Sitthichok Puangthongthub
name: Tanasorn Tungsaringkarn
Publisher: name: Chulalongkorn Universtiy Press
Year: 2015
Subjects: Health risk assessment,VOCs,BTEX,Exposure,Car parking,Thailand

description: 4, 29, Journal of Health Research
Magnetopause reconnection and indents induced by foreshock turbulence
Creators: name: Chen, Li-Jen
name: Ng, Jonathan
name: Omelchenko, Yuri
name: Wang, Shan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Space Physics (physics.space-ph)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Based on global hybrid simulation results, we predict that foreshock turbulence can reach the magnetopause and lead to reconnection as well as Earth-sized indents. Both the interplanetary magnetic field (IMF) and solar wind are constant in our simulation, and hence all dynamics are generated by foreshock instabilities. The IMF in the simulation is mostly Sun-Earth aligned with a weak northward and zero dawn-dusk component, such that subsolar magnetopause reconnection is not expected without foreshock turbulence modifying the magnetosheath fields. We show a reconnection example to illustrate that the turbulence can create large magnetic shear angles across the magnetopause to induce local bursty reconnection. Magnetopause reconnection and indents developed from the impact of foreshock turbulence can potentially contribute to dayside loss of planetary plasmas.
description: submitted to Geophysical Research Letters; added discussions and references
Redshift-Space Distortions with the Halo Occupation Distribution II: Analytic Model
Creators: name: Tinker, Jeremy L.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present an analytic model for the galaxy two-point correlation function in redshift space. The model is constructed within the framework of the Halo Occupation Distribution (HOD), which quantifies galaxy bias on linear and non- linear scales. We model one-halo pairwise velocities by assuming that satellite galaxy velocities follow a Gaussian distribution with dispersion proportional to the virial dispersion of the host halo. Two-halo velocity statistics are a combination of virial motions and host halo motions. The velocity distribution function (DF) of halo pairs is a complex function with skewness and kurtosis that vary substantially with scale. Using a series of collisionless N-body simulations, we demonstrate that the shape of this DF is determined primarily by the distribution of local densities around a halo pair, and at fixed density the velocity DF is close to Gaussian and nearly independent of halo mass. We calibrate a model for the conditional probability function of densities around halo pairs on these simulations. With this model, the full shape of the halo velocity DF can be accurately calculated as a function of halo mass, radial separation, angle, and cosmology. The HOD approach to redshift-space distortions utilizes clustering data from linear to non-linear scales to break the standard degeneracies inherent in previous models of redshift-space clustering. The parameters of the occupation function are well constrained by real-space clustering alone, separating constraints on bias and cosmology. We demonstrate the ability of the model to separately constrain Omega_m, sigma_8, and galaxy velocity bias in models that are constructed to have the same value of beta at large scales as well as the same finger-of-god distortions at small scales. [Abridged]
description: 21 pages, submitted to MNRAS
Electron Heating in Hot Accretion Flows
Creators: name: Sharma, Prateek
name: Quataert, Eliot
name: Hammett, Gregory W.
name: Stone, James M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: Plasma Physics (physics.plasm-ph)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: Local (shearing box) simulations of the nonlinear evolution of the magnetorotational instability in a collisionless plasma show that angular momentum transport by pressure anisotropy ($p_\perp \ne p_\parallel$, where the directions are defined with respect to the local magnetic field) is comparable to that due to the Maxwell and Reynolds stresses. Pressure anisotropy, which is effectively a large-scale viscosity, arises because of adiabatic invariants related to $p_\perp$ and $p_\parallel$ in a fluctuating magnetic field. In a collisionless plasma, the magnitude of the pressure anisotropy, and thus the viscosity, is determined by kinetic instabilities at the cyclotron frequency. Our simulations show that $\sim 50$ % of the gravitational potential energy is directly converted into heat at large scales by the viscous stress (the remaining energy is lost to grid-scale numerical dissipation of kinetic and magnetic energy). We show that electrons receive a significant fraction ($\sim [T_e/T_i]^{1/2}$) of this dissipated energy. Employing this heating by an anisotropic viscous stress in one dimensional models of radiatively inefficient accretion flows, we find that the radiative efficiency of the flow is greater than 0.5% for $\dot{M} \gtrsim 10^{-4} \dot{M}_{Edd}$. Thus a low accretion rate, rather than just a low radiative efficiency, is necessary to explain the low luminosity of many accreting black holes. For Sgr A* in the Galactic Center, our predicted radiative efficiencies imply an accretion rate of $\approx 3 \times 10^{-8} M_\odot {\rm yr^{-1}}$ and an electron temperature of $\approx 3 \times 10^{10}$ K at $\approx 10$ Schwarzschild radii; the latter is consistent with the brightness temperature inferred from VLBI observations.
description: to appear in Oct 1 2007 issue of ApJ; corrected grant information and the firehose threshold typo
Spin-transfer measurement for the [pi] d --> pp reaction at energies spanning [delta] resonance
Creators: name: Feltham, Andrew G.
Publisher: name: University of British Columbia
Year: 2008

description: We describe the first spin-transfer experiment performed for the π to pp reaction. Three spin-transfer parameters were measured: K’LS'; K'ss'; and K'NN each, at a single angle for a number of energies spanning the Δ resonance of this system. The apparatus employed in this experiment consisted of established systems, including a dynamically polarized deuteron target and a proton polarimeter which utilized the well known proton-carbon analyzing powers. Two arms of detectors were used to minimize the background contribution by preferentially selecting those two-body final states corresponding to the π to pp reaction kinematics. We compare our results with the predictions of published partial wave amplitude fits pertaining to existing data of the time-reversed pp —> dπ reaction, and demonstrate the inadequacy of these established fits in providing a complete description of this fundamental process. In addition, our data are compared with the predictions of two current theories. The failure of these theories to describe the fundamental features of this reaction clearly demonstrates the need for further theoretical work i n this area. The data presented in this thesis are essential for the unique determination of the partial wave amplitudes characterizing the pp ⇌ dπ reaction. The accurate experimental determination of these amplitudes will provide an important framework for testing further theoretical developments.
Soft x-ray magnetic circular dichroism study of weakly ferromagnetic Zn$_{1-x}$V$_x$O thin film
Creators: name: Ishida, Y.
name: Hwang, J. I.
name: Kobayashi, M.
name: Takeda, Y.
name: Mamiya, K.
name: Okamoto, J.
name: Fujimori, S. -I.
name: Okane, T.
name: Terai, K.
name: Saitoh, Y.
name: Muramatsu, Y.
name: Fujimori, A.
name: Tanaka, A.
name: Saeki, H.
name: Kawai, T.
name: Tabata, H.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We performed a soft x-ray magnetic circular dichroism (XMCD) study of a Zn$_{1-x}$V$_x$O thin film which showed small ferromagnetic moment. Field and temperature dependences of V 2$p$ XMCD signals indicated the coexistence of Curie-Weiss paramagnetic, antiferromagnetic, and possibly ferromagnetic V ions, quantitatively consistent with the magnetization measurements. We attribute the paramagnetic signal to V ions substituting Zn sites which are somewhat elongated along the c-axis.
PERCEPTION OF RURAL MARRIED WOMEN IN MYANMAR  REGARDING PROVISION OF DELIVERY CARE BY MIDWIVES AND TRADITIONAL BIRTH ATTENDANTS
Creators: name: Aye Nyein Moe Myint
name: Panee Vong-Ek
name: Aree Jampaklay
Publisher: name: Chulalongkorn Universtiy Press
Year: 2015
Subjects: Rural married women,Delivery care,Midwives,Traditional birth attendants,Myanmar

description: 4, 29, Journal of Health Research
Θεωρητική μελέτη της μοριακής δομής και της σχετικής σταθερότητας αλογωνιακών ιόντων των αλκενίων
Creators: name: Τεμπερεκίδης, Βασίλειος Ι.
Publisher: name: Aristotle University of Thessaloniki
Year: 2003
Subjects: Αλογωνιακά ιόντα
Κβαντική χημεία
AB INITIO υπολογισμοί
Υπολογισμοί DFT
Halonium ions
AB INITIO study
DFT study

description: Το αντικείμενο της παρούσας διατριβής είναι η θεωρητική μελέτη της μοριακής δομής και της σχετικής σταθερότητας των αλογωνιακών ιόντων μιας σειράς κυκλικών ή μη αλκενίων καθώς και η διερεύνηση του μηχανισμού της προσθήκης αλογόνου στο διπλό δεσμό. Το σύνολο σχεδόν των υπολογισμών εκτελέστηκε στα επίπεδα Β3LYP/6-311++G(d,p) και MP2/6-311++G(d,p). Βασικός στόχος της θεωρητικής μελέτης αποτέλεσε η μοριακή δομή και σχετική σταθερότητα των αλογωνιακών ιόντων. Στα οποία το αλογόνο γεφυρώνει δυο άτομα άνθρακα σε γειτονικές θέσεις. Παρόλα αυτά, μελετήθηκαν επίσης και τα ισομερή των αλογωνιακών ιόντων κάθε τάξης αλκενίων τα οποία δεν υιοθετούν δομή γέφυρας
description: The goal of the present thesis is the theoretical study of the molecular structure and the relative stability of halonium ions of a series of open chained and cyclik alkenes, as well as the elucidation of the mechanism of halogen addition to the double bond. Almost all of the calculations have been done at the B3LYP/6-311++G(d,p) and MP2/6-311++G(d,p) level
New results on muon inelastic cross section and energy loss in rock
Creators: name: Timashkov, D. A.
name: Petrukhin, A. A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Various uncertainties in calculations of inelastic cross section and energy loss are considered. It is shown that widely used kinematic neglects and approximations result in deviations in calculations of these values. The obtained corrections increase with lepton mass, therefore possible consequences for tau-lepton are discussed, too.
description: 4 pages, 4 figures
D1.3 Synthesis report on the Taxonomy and Inventory of Digital Game Changers
Creators: name: Manlio, Bacco
name: Barsocchi Paolo
name: Brunori Gianluca
name: Debruyne Lies
name: Ferrari Alessio
name: Gotta Alberto
name: Koltsida Panagiota
name: Lepore Fabio
name: Orsini Alessandro
name: Rolandi SIlvia
name: Scotti Ivano
name: Eleni, Toli
Publisher: name: Zenodo
Year: 2020
Subjects: digital tools
digital transformation
application scenarios
cyber-physical systems
digital game changers
physical-digital-physical
taxonomy

description: This document describes a toolkit designed within the DESIRA project to support the work in the 20 Living Labs. This toolkit is composed of several parts: the inventory of digital tools, the set of application scenarios as derived from the inventory, a list of digital technologies with the potential of being digital game changers (DGCs), and a map of plausible socio-economic impacts associated with the selected potential DGCs. Several experts’ interviews have been performed to enrich and support the toolkit.
Gauge invariance and Ward identities in nonlinear response theory
Creators: name: Rostami, Habib
name: Katsnelson, Mikhail I.
name: Vignale, Giovanni
name: Polini, Marco
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present a formal analysis of nonlinear response functions in terms of correlation functions in real- and imaginary-time domains. In particular, we show that causal nonlinear response functions, expressed in terms of nested commutators in real time, can be obtained from the analytic continuation of time-ordered response functions, which are more easily amenable to diagrammatic calculation. This generalizes the well-known result of linear response theory. We then use gauge invariance arguments to derive exact relations between second-order response functions in density and current channels. These identities, which are non-perturbative in the strength of inter-particle interactions, allow us to establish exact connections between nonlinear optics calculations done in different electromagnetic gauges.
description: 44 pages, 5 figures
D1.4 First set of practice abstracts
Creators: name: Manlio, Bacco
name: Brunori Gianluca
name: Daniel, Van Der Velden
name: Koltsida Panagiota
name: Quiédeville Sylvain
name: Claire, Hardy
name: Rendl Clemens
name: Delgado Serrano Maria Del Mar
name: Javier, Sancho
name: Nieto Enrique
name: Berzina Inga
name: Ortolani Livia
name: Den Dulk Lurissa
name: Sumane Sandra
name: Ena, Ban
name: Dmochowska-Dudek Karolina
name: Kaipainen Jouni
name: Pinel Marie
name: Berg Matthias
name: Brunori Antonio
Publisher: name: Zenodo
Year: 2020

description: This document provides the first set of 50 practice abstracts (PAs). Those have been compiled building on the collected digital tools and projects in WP1 activities, task 1.2 “Taxonomy and Inventory of Digital Game Changers”.
 Each PA describes a digital tool or project in both textual and tabular forms, and highlights the distinctive key elements. In the first page, a short summary is presented, i) providing a short description of a tool or of the experience in a project, ii) highlighting the main achievements, results, or outcomes, and iii) outlining the plausible positive or negative impacts. Such a description is provided in both textual and tabular form, the latter prepared according to the format defined in the report D1.3, section 5. The table presented therein summarizes the key elements useful to provide an overview of each digital tool from both technological and socio-economic aspects. Both aspects build upon the use of the toolkit proposed in D1.3, and comprising the identification of the function of the digital tool, the reference application scenario, the high-level description of the CPS layers conceptually in use, the core digital technologies exploited by the digital tool, and finally the qualitative evaluations of plausible areas of socio-economic impacts.
 The aim is in providing descriptions relevant for practitioners in a plain language, pointing out key elements that may attract their interest.
Numerical study of curvature perturbations in a brane-world inflation at high-energies
Creators: name: Hiramatsu, Takashi
name: Koyama, Kazuya
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the evolution of scalar curvature perturbations in a brane-world inflation model in a 5D Anti-de Sitter spacetime. The inflaton perturbations are confined to a 4D brane but they are coupled to the 5D bulk metric perturbations. We numerically solve full coupled equations for the inflaton perturbations and the 5D metric perturbations using Hawkins-Lidsey inflationary model. At an initial time, we assume that the bulk is unperturbed. We find that the inflaton perturbations at high energies are strongly coupled to the bulk metric perturbations even on subhorizon scales, leading to the suppression of the amplitude of the comoving curvature perturbations at a horizon crossing. This indicates that the linear perturbations of the inflaton field does not obey the usual 4D Klein-Gordon equation due to the coupling to 5D gravitational field on small scales and it is required to quantise the coupled brane-bulk system in a consistent way in order to calculate the spectrum of the scalar perturbations in a brane-world inflation.
description: 16 pages, 5 figures