cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Platelets : their exploitation and elimination
Creators: name: Coupland, Lucy Anne
Publisher: name: The Australian National University
Year: 2011
Subjects: subject: QR185.8.P58 C68 2011
subject: Blood platelets
subject: Blood platelets Immunology

description: Platelets are cytoplasmic fragments present in large numbers within the bloodstream that contain a multitude of proteins. For a long time, platelet function was believed to be limited to the essential functions of haemostasis and thrombosis. However, it has become clear in the last decade that platelets play significant roles in both innate and adaptive immunity, inflammatory responses including leukocyte migration, tissue regeneration and angiogenesis. Parallelling the revelation of the diverse physiological functions of platelets, however, has been the association of exacerbated platelet function with numerous thrombotic and chronic inflammatory diseases. Until our knowledge of platelet biology is more comprehensive, the prevention of platelet-associated pathologies will remain a challenge of inhibiting pathology-associated platelet reactions whilst preserving those essential for normal function. The aims of this thesis, therefore, were to examine in detail the following three platelet-associated biological processes: (i) The role of platelets in tumour cell metastasis, in particular, the kinetics and interrelationship of the pro-metastatic role of platelets and the anti-metastatic role of NK cells, and the relevant contributions to the metastatic process of platelet P-selectin and endothelial P-selectin. (ii) The determinants and mechanisms of antibody-mediated platelet elimination, as seen in the medical condition known as immune thrombocytopenic purpura (ITP), and the role of inhibitory self-recognition systems in this process. (iii) The factors influencing platelet and erythrocyte lifespan by establishing appropriate experimental and analytical methodologies.
Alfvénic Thermospheric Upwelling in a Global Geospace Model
Creators: name: Hogan, Benjamin
name: Lotko, William
name: Pham, Kevin
Publisher: name: arXiv
Year: 2020
Subjects: subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: Motivated by low-altitude cusp observations of small-scale (~ 1 km) field-aligned currents (SSFACs) interpreted as ionospheric Alfvén resonator modes, we investigated the effects of Alfvén wave energy deposition on thermospheric upwelling and the formation of air density enhancements in and near the cusp. Such density enhancements were commonly observed near 400 km altitude by the CHAMP satellite. They are not predicted by empirical thermosphere models, and they are well-correlated with the observed SSFACs. A parameterized model for the altitude dependence of the Alfvén wave electric field, constrained by CHAMP data, has been developed and embedded in the Joule heating module of the National Center for Atmospheric Research (NCAR) Coupled Magnetosphere-Ionosphere-Thermosphere (CMIT) model. The CMIT model was then used to simulate the geospace response to an interplanetary stream interaction region (SIR) that swept past Earth on 26-27 March 2003. CMIT diagnostics for the thermospheric mass density at 400 km altitude show: 1) CMIT without Alfvénic Joule heating usually underestimates CHAMP's orbit-average density; inclusion of Alfvénic heating modestly improves CMIT's orbit-average prediction of the density (by a few %), especially during the more active periods of the SIR event. 2) The improvement in CMIT's instantaneous density prediction with Alfvénic heating included is more significant (up to 15%) in the vicinity of the cusp heating region, a feature that the MSIS empirical thermosphere model misses for this event. Thermospheric density changes of 20-30% caused by the cusp-region Alfvénic heating sporadically populate the polar region through the action of corotation and neutral winds.
description: 15 pages, 6 figures, Supporting Information (10 pages, 5 figures)
Quasi Riesz transforms, Hardy spaces and generalized sub-Gaussian heat kernel estimates
Creators: name: Chen, Li
Publisher: name: The Australian National University
Year: 2014
Subjects: subject: Hardy spaces
subject: Integral transforms
subject: Kernel functions
subject: Riemannian manifolds
subject: Gaussian processes

description: In this thesis, we mainly study Riesz transforms and Hardy spaces associated to operators. The two subjects are closely related to volume growth and heat kernel estimates. In Chapter 1, 2 and 4, we study Riesz transforms on Riemannian manifold and on graphs. In Chapter 1, we prove that on a complete Riemannian manifold, the quasi Riesz transform is always Lp bounded on for p strictly large than 1 and no less than 2. In Chapter 2, we prove that the quasi Riesz transform is also weak L1 bounded if the manifold satisfies the doubling volume property and the sub-Gaussian heat kernel estimate. Similarly, we show in Chapter 4 the same results on graphs. In Chapter 3, we develop a Hardy space theory on metric measure spaces satisfying the doubling volume property and different local and global heat kernel estimates. Firstly we define Hardy spaces via molecules and via square functions which are adapted to the heat kernel estimates. Then we show that the two H1 spaces via molecules and via square functions are the same. Also, we compare the Hp space defined via square functions with Lp. The corresponding Hp space for p large than 1 defined via square functions is equivalent to the Lebesgue space Lp. However, it is shown that in this situation, the Hp space corresponding to Gaussian estimates does not coincide with Lp any more. Finally, as an application of this Hardy space theory, we proved that quasi Riesz transforms are bounded from H1 to L1 on fractal manifolds. In Chapter 5, we consider Vicsek graphs. We prove generalised Poincare inequalities and Sobolev inequalities on Vicsek graphs and we show that they are optimal.
Influence of some cardiovascular risk factors on the rela-tionship between age and blood pressure
Creators: name: Silveri, Giulia
name: Pascazio, Lorenzo
name: Ajcevic, Milos
name: Miladinovic, Aleksandar
name: Accardo1, Agostino
Publisher: name: arXiv
Year: 2020
Subjects: subject: Signal Processing (eess.SP)
subject: Medical Physics (physics.med-ph)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Physical sciences

description: Blood Pressure (BP) is a biological signal related to the cardiovascular system that inevitably is affected by ageing. Moreover, it is also influenced by the presence of cardiovascular risk factors. To evaluate how the relationship be-tween BP and age changes with the presence of risk factors in hypertensive and normotensive subjects, we analyzed 880 subjects with and without smoking, obe-sity, diabetes mellitus and dyslipidemia. A regression line fitted each BP/Age relation calculated separately for normotensive and hypertensive subjects with and without risk factors. For each of the four conditions the office and the 24-hour ambulatory BP monitoring (ABPM) were considered. In subjects with and without risk factors, the slopes of the Systolic BP/Age relation were higher in hypertensive than in normotensive subjects in both office and ABPM conditions. Moreover, the presence of risk factors modified the Systolic BP/Age relation in hypertensive subjects by using either office or ABPM measurements. Finally, we confirmed that the difference between the two modalities depends on age too.
Η ιατρική υποβοήθηση στην ανθρώπινη αναπαραγωγή: ένα πολυδιάστατατο φαινόμενο
Creators: name: Μιστάρα, Βικτωρία Στεφάνου
Publisher: name: Aristotle University of Thessaloniki
Year: 2009
Subjects: Οικογένεια
Ιατρική υποβοήθηση στην ανθρώπινη αναπαραγωγή
Βιοηθική
Νόμος 3089/2002
Νόμος 3305/2005
Family
Assisted human reproduction
Bioethics
Law 3089/2002
LAW 3305/2005

description: Στο Α' μέρος αναπτύσσονται οι νέες κοινωνικές εξελίξεις της οικογένειας και της υπογεννητικότητας και συγχρόνως οι νέες ιατρικές μέθοδοι της ιατρικής υποβοήθησης για την ανθρώπινη αναπαραγωγή. Στη συνέχεια, παρουσιάζεται ο ρόλος της "Βιοηθικής" και το νομικό καθεστώς προ των νεότερων νομοθετημάτων. Στο Β' μέρος παρουσιάζονται τα δύο σχετικά ελληνικά νομοθετήματα για την ιατρικώς Υποβοηθούμενη αναπαραγωγή (ν. 3089/2002 και ν. 3305/2005). Τέλος στο Γ' μέρος αναφέρονται κάποια συμπεράσματα για αυτό το πολυδιάστατο φαινόμενο.
description: Part A focuses on new social developments in family and low birth rate, as well as on new developments in the field of assisted human reproduction. Following this we discuss the role of Bioethics and the legal status prior to recent laws.Part B analyzes two relevant Greek laws on assisted human reproduction (Law 3089/2002 and Law 3305/2005). Finally, in Part C we reflect upon this complex, multidimensional social phenomenon, drawing some conclusions.
Additional file 1 of Forced randomization: the what, why, and how
Creators: name: Carter, Kerstine
name: Kuznetsova, Olga
name: Anisimov, Volodymyr
name: Krisam, Johannes
name: Scherer, Colin
name: Ryeznik, Yevgen
name: Sverdlov, Oleksandr
Publisher: name: figshare
Year: 2024
Subjects: Biological Sciences not elsewhere classified
Information Systems not elsewhere classified
Cancer

description: Supplementary Material 1.
Order of magnitude increase in laser-target coupling at near-relativistic intensities using compound parabolic concentrators
Creators: name: Williams, Gerald Jackson
name: Link, Anthony J.
name: Sherlock, Mark William
name: Alessi, David A.
name: Bowers, Mark W.
name: Golick, Brad
name: Hamamoto, Matt
name: Hermann, Mark R.
name: Kalantar, Dan
name: LaFortune, Kai Nicholas
name: Mackinnon, Andrew James
name: MacPhee, Andrew
name: Manuel, Mario J. -E.
name: Martinez, David
name: Mauldin, Michael
name: Pelz, Lawrence J.
name: Prantil, Matt
name: Quinn, Matthew
name: Remington, Bruce A.
name: Sigurdsson, Ron
name: Wegner, Paul J.
name: Youngblood, Kelly
name: Chen, Hui
Publisher: name: arXiv
Year: 2020
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Achieving a high conversion efficiency into relativistic electrons is central to short-pulse laser application and fundamentally relies on creating interaction regions with intensities ${\gg}10^{18}$~W/cm$^2$. Small focal length optics are typically employed to achieve this goal; however, this solution is impractical for large kJ-class systems that are constrained by facility geometry, debris concerns, and component costs. We fielded target-mounted compound parabolic concentrators to overcome these limitations and achieved nearly an order of magnitude increase to the conversion efficiency and more than tripled electron temperature compared to flat targets. Particle-in-cell simulations demonstrate that plasma confinement within the cone and formation of turbulent laser fields that develop from cone wall reflections are responsible for the improved laser-to-target coupling. {These passive target components can be used to improve the coupling efficiency for all high-intensity short-pulse laser applications, particularly at large facilities with long focal length optics.
description: 6 pages, 5 figures
The Stellar Population of Lyman-alpha Emitting Galaxies at z ~ 5.7
Creators: name: Lai, Kamson
name: Huang, Jia-Sheng
name: Fazio, Giovanni
name: Cowie, Lennox L.
name: Hu, Esther M.
name: Kakazu, Yuko
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a study of three Lyman-alpha emitting galaxies (LAEs), selected via a narrow-band survey in the GOODS northern field, and spectroscopically confirmed to have redshifts of z ~ 5.65. Using HST ACS and Spitzer IRAC data, we constrain the rest-frame UV-to-optical spectral energy distributions (SEDs) of the galaxies. Fitting stellar population synthesis models to the observed SEDs, we find best-fit stellar populations with masses between ~ 10^9 - 10^10 M_sun and ages between ~ 5 - 100 Myr, assuming a simple starburst star formation history. However, stellar populations as old as 700 Myr are admissible if a constant star formation rate model is considered. Very deep near-IR observations may help to narrow the range of allowed models by providing extra constraints on the rest-frame UV spectral slope. Our narrow-band selected objects and other IRAC-detected z ~ 6 i'-dropout galaxies have similar 3.6 um magnitudes and z' - [3.6] colors, suggesting that they posses stellar populations of similar masses and ages. This similarity may be the result of a selection bias, since the IRAC-detected LAEs and i'-dropouts probably only sample the bright end of the luminosity function. On the other hand, our LAEs have blue i' - z' colors compared to the i'-dropouts, and would have been missed by the i'-dropout selection criterion. A better understanding of the overlap between the LAE and the i'-dropout populations is necessary in order to constrain the properties of the overall high-redshift galaxy population, such as the total stellar mass density at z ~ 6.
description: 10 pages, 8 figures. Accepted for publication in ApJ
Conditions for the formation of glasses by cooling melts of one-component systems
Creators: name: Hoffmann, Hans-Jürgen
Publisher: name: Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft
Year: 2001
Subjects: subject: 660

description: Well-known conditions for the formation of glass from the melt are sufficiently fast cooling rates and directed bonding between the constituents. These conditions, however, are not specific enough to select promising melts which may form glasses upon cooling. Therefore, the phase transition from a solid to a melt and the accompanying flow and storage of enthalpy and entropy are considered in detail. The melting entropy is stored in the new configuration of the constituents. Upon cooling a melt, this entropy can only be removed by thermal conduction after it has been reloaded onto the vibrations of crystals. This reloading may be a botdeneck. The smaller the temperature interval where crystallisation is possible, the easier is glass formation. Extrapolating the enthalpy function from the molten state to lower temperatures, that temperature interval (relative to the melting temperature Tm) has been estimated to be ΔTmin/Tm = ΔHm/[Tm(2Cpl - Cps)] = ΔSm/(2Cpl - Cps) ≈ ΔSm/Cpl wherein ΔHm and ΔSm are the molar melting enthalpy and entropy, respectively, and Cpl and Cps are the molar specific heat capacities at constant pressure in the molten (index "l") and crystalline (index "s") states. In fact, ΔTmin/Tm is small for all known one-component systems forming glasses by cooling their melts, which seems to characterize their glass forming capability quite well.
The double edged sword : the role of nuclear weapons in South Asia
Creators: name: Karki, Rohit
Publisher: name: The Australian National University
Year: 2011
Subjects: subject: UA840.K37 2011
subject: Nuclear weapons India
subject: Nuclear weapons Pakistan
subject: India Foreign relations Pakistan
subject: Pakistan Foreign relations India
subject: India Politics and government 1977-
subject: Pakistan Politics and government 1988-

description: This thesis exammes the consequences of nuclear proliferation on South Asia, specifically whether India and Pakistan are moving towards a stable nuclear balance. The thesis uses comparative case study methods to examine the role of nuclear weapons in crises and the lessons learnt from those crises. The thesis argues that nuclear weapons have played the dual role of crisis instigator and crisis manager in South Asia. That is, nuclear weapons have contributed to the outbreak of crises predominantly by empowering Pakistan to provoke India. However, once these crises were underway, the fear of escalation to nuclear war prompted considerable restraint and hence nuclear weapons can be understood to have also played a role of crisis manager. Furthermore, although India and Pakistan's growing nuclear arsenals, nuclear doctrines and command and control systems have exhibited complexity of deterrence, the evolving nuclear learning in India and Pakistan limits the likelihood of nuclear weapons use during a crisis. The thesis demonstrates that the role of nuclear weapons in South Asia can be best understood through this dual characterisation and that we may exercise sober optimism for the stability of nuclear deterrence in South Asia.
The Papers of  Monsignor Charles Owen Rice,  Pittsburgh’s “Labor Priest,” 1937-2005
Creators: name: Benjamin, Blake
Publisher: name: Maryland Shared Open Access Repository
Year: 2007
Subjects: Charles Owen Rice
Catholic labor history
Pittsburgh labor history

description: “The Papers of Monsignor Charles Owen Rice, Pittsburgh’s ‘Labor Priest,’ 1937-2005,” was a slide presentation given by Ben Blake as part of a panel, “Documenting Catholic Labor History,” at the Mid-Atlantic Regional Archives Conference, Scranton, Pennsylvania, on April 21, 2007. The labor activism of this Pittsburgh area priest is illustrated through examples of archival documents from his papers at the University of Pittsburgh.
Ο Μίλτος Κουντουράς και η παιδαγωγική του σκέψη και δράση κατά τις πρώτες δεκαετίες του 20ου αιώνα: η "Ιερή Τριετία" στο Διδασκαλείο Θηλέων Θεσσαλονίκης (1927-1930)
Creators: name: Λοάρη, Φιλομήλα Απόστολου
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Μίλτος Κουντουράς
Φύλο
Διδασκαλείο Θηλέων Θεσσαλονίκης
Εκπαίδευση
Προοδευτική εκπαίδευση
Miltos Kountouras
Gender
College of female education in Thessaloniki
Education
Progressive education

description: Η παρούσα εργασία αφορά στην παιδαγωγική σκέψη και δράση του παιδαγωγού Μίλτου Κουντουρά κατά τις πρώτες δεκαετίες του 20ου αιώνα. Πιο συγκεκριμένα, μελετούνται οι πρωτοποριακές εκπαιδευτικές και παιδαγωγικές μέθοδοι που εφάρμοσε ως Διευθυντής στο Διδασκαλείο Θηλέων Θεσσαλονίκης, την περίοδο 1927-1930. Στο σχολείο αυτό εφάρμοσε αρχές της «Νέας Αγωγής», καθώς και θέλησε να προσδώσει στην ταυτότητα των διδασκαλισσών μία κοινωνική διάσταση, η οποία για χρόνια ήταν απούσα. Έτσι, αναδεικνύεται η προσπάθεια του παιδαγωγού να συνδέσει την εκπαίδευση των κοριτσιών με την κοινωνική ζωή, τη δράση, τη συλλογικότητα και την απομάκρυνσή τους από τη στερεότυπη μορφή της παραδοσιακής δασκάλας. Τέλος, γίνεται αναφορά στην αντιμετώπιση που είχε η προσπάθεια αυτή του Κουντουρά από την κοινωνία της Θεσσαλονίκης (Διδασκαλειακά 1927-29) και το τέλος της θητείας του στο σχολείο.
description: The instant scientific assignment studies the pedagogical thought and action of the educator Miltos Kountouras during the first decades of the 20th century. Specifically, the study presents the pioneer pedagogical and educational methods that he used as a director of "College of Education for Women" the period 1927-1930. In this teacher-training college, he applied the principles of "New Education" and tried to give to the teachers identity a social perspective, which was for years absent. His aim was to eliminate the traditional stereotypes of women teachers. Finally, the society of Thessaloniki opposed to his effort and his service in the school was ended.
Mechanical properties of sheet glass at high pressure during indentation experiments
Creators: name: Meinhard, Holger
name: Fränzel, Wolfgang
name: Grau, Peter
Publisher: name: Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft
Year: 2001
Subjects: subject: 660

description: Viscous flow is responsible for permanent deformation of glasses above the transformation temperature (Tg). The results of macroscopic indentation experiments (maximum loading forces Fmax ≥ 2 N) with sharp indenters (Vickers or Berkovich pyramids) demonstrate this property by crack-free indents at T ≥ Tg. But it is also possible to make crack-free indents at room temperature (RT), well below Tg, if the load, the contact area and the deformation rate, respectively, are small enough, which is consistent with glass as a supercooled liquid but inconsistent with glass as a well-known ideally brittle material at RT The mechanisms of this permanent deformation of glasses by indentation near RT have not been understood completely up to now. For the analysis of the macroscopic indentation experiments with Vickers pyramids and spherical indenters, respectively, a viscoelastic deformation behaviour is assumed for the complete temperature range from RT to Tg. Therefore the rheological analysis of all experiments were performed with the help of a simple Maxwell model. The results of Vickers indentation experiments were compared with cylinder compression experiments and ball indentation experiments which were analysed by the same rheological principles.
Discussion of vocabulary from texts and elicitation of diminutives
Creators: name: Parker, Verdena
name: Begay, Kayla
name: Newbold, Lindsey
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2022
Subjects: subject: hup

description: Audio files VP-071109-04a/c: Discussion of vocabulary from Verdena's Life Story, Part 2; elicitation of Hupa baby talk and diminutives; discussion of how elders talk.
Shake table test of Oak Street Bridge bent: correlation of analysis and experiment
Creators: name: Khoshnevissan, Manzar
Publisher: name: University of British Columbia
Year: 2009

description: Experiments on full- or reduced-scale structures, especially shake table tests, have provided insight into the static and dynamic behavior of structures subjected to earthquakes. Experimental testing is both expensive and time-consuming, and sometimes it is simply not practical to conduct seismic tests. Analytical and numerical methods, such as computer modeling techniques, are good alternatives to experimental testing, provided that they are reliable and realistic. It is important to know with precision how reliably these computer programs predict the seismic response of real structures. This thesis is a comparative study of the experimental and analytical responses of a 0.27 scale model for a two-column bent of the Oak Street Bridge tested on a shake table. The purpose of this study is to assess two nonlinear structural analysis programs, CANNY-E (Li, 1995) and RUAUMOKO (Carr, 1996), by perforating a correlation analysis between test and analytical results. A detailed study and interpretation of the recorded data from six levels of excitation was performed by determining the dynamic and material characteristics of the specimen through different stages of excitation. Subsequently, an analytical model for the bent was proposed that consisted of 8 beam elements and 2 column elements. The linear and nonlinear responses of the analytical model subjected to the shake table earthquake motion simulations, were investigated using the CANNEY-E and RUAUMOKO computer programs. The sequences of plastic hinge formation were investigated through a push-over analysis using these two computer programs. Finally, the ability of the two computer programs to predict reliably the structural behavior of the reinforced concrete bridge bent was assessed by comparing analytical with experimental results. In spite of limitations such as the need to adjust the model's damping ratio and hysteresis parameter, both CANNY-E and RUAUMOKO were able to provide a good representation of the dynamic response of the specimen in terms of its fundamental frequency, relative displacement time hi story at the cap beam level, base shear time histories, absolute acceleration time histories, and the overall hysteresis responses. The main sources of error in the nonlinear analyses were due to the estimation of damping and stiffness of the structure, the modeling of the elements, the global modeling, and the numerical methods applied to calculate the response. It was found that CANNY-E is generally a more powerful program than RUAUMOKO, as the former produced more reliable and more accurate results than the latter. However, neither of the programs was able to consider moment-shear interaction or shear failure demonstrated by the specimen during the tests.
Transcription of "Verdena's Life Story, Part 2"
Creators: name: Parker, Verdena
name: Begay, Kayla
name: Newbold, Lindsey
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2022
Subjects: subject: hup

description: Audio files VP-071109-02 and VP-071109-03: Transcription of Verdena's Life Story, Part 2 (file VP-041009-02), from the beginning of the file to 2:35 (VP-071109-02) and from 2:35 to 4:05 (VP-071109-03).
Analysis of heat transfer during glass forming
Creators: name: Viskanta, Raymond
name: Lim, Jongmook
Publisher: name: Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft
Year: 2001
Subjects: subject: 660

description: Α thermal model is described which is intended to simulate internal heat transfer in glass being cooled by the mold and plunger after pressing. The heat transfer analysis in glass accounts for the spectral nature of radiation, the dependence of the thermophysical properties of glass on temperature and the contact heat transfer between mold and glass as well as plunger and glass during and after pressing. Heat exchange between glass and mold as well as plunger across a very small gap by contact conduction and thermal radiation are also accounted for. To assess the utility of the Rosseland diffusion approximation for radiative transfer, the results are compared with those based on rigorous formulation of radiative transfer. Numerical solutions have been obtained for typical condidons simulating symmetric and asymmetric cooling as well as cyclic operation, and the results are presented and discussed. During the dwell time thermal contact conduction between the glass and the mold as well as plunger is the dominant heat extraction mechanism from the glass. Results show that radiation from the surface of the glass plays a relatively small part in the heat extraction process, but radiation from the interior of the glass is much more significant but less important than thermal contact conduction.
Anpassung der Eigenschaften der Ceroxid-Poliermittel auf die Polierbedingungen von Glasoberflächen in Abhängigkeit von deren Präzisionsgrad
Creators: name: Kaller, Adolf
Publisher: name: Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft
Year: 2001
Subjects: subject: 660

description: Für die Herstellung polierter Flächen von optischen Gläsern werden die Scherbeanspruchungen der (z.B. auf CeO2 basierenden) Polierkörner, je nach der Präzision der zu polierenden Flächen, in einer Scherbeanspruchungsbreite von mindestens fünf Zehnerpotenzen eingesetzt. Daraus folgt, daß die jeweiligen Randabriebsfähigkeiten der Polierkörner sehr genau auf die jeweiligen Scherbeanspruchungsbereiche abgestimmt werden müssen. Im vorliegenden Beitrag wird über die Eigenschaften der CeO2-Poliermittel berichtet, und zwar für die Einsatzbereiche mit sehr hohen Scherbeanspruchungen der Polierkörner zur Herstellung von polierten Oberflächen mit geringer Präzision, z.B. von Brillen-Gläsern, bis hin zu Einsatzbereichen mit geringen Scherbeanspruchungen für die Herstellung polierter Oberflächen mit höchster Präzision nach dem Prinzip des computergesteuerten Korrigierpolierens.
Η νεολιθική εγκατάσταση στον Προσκυνά Φθιώτιδας
Creators: name: Ψιμόγιαννου, Αικατερίνη Χαραλάμπους
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Τελική νεολιθική
Ταφικές πρακτικές
Λάκκοι
Κεντρική και νότια Ελλάδα
Κεραμική
Ταφές
Final neolithic
Mortuary practices
Pits
Central and southern Greece
Pottery
Burials

description: Στα πλαίσια της παρούσας μελέτης εξετάστηκε η νεολιθική εγκατάσταση στη θέση Ράχη Προσκυνά της ανατολικής Λοκρίδας του νομού Φθιώτιδας, τα υλικά κατάλοιπα της οποίας αποκαλύφθηκαν κατά τη διάρκεια της σωστικής ανασκαφής, που διενεργήθηκε με την επίβλεψη της ΙΔ΄ Ε.Π.Κ.Α. Λαμίας, με αφορμή τη διαπλάτυνση της εθνικής οδού Αθηνών-Λαμίας στο συγκεκριμένο τμήμα. Στην παρούσα εργασία περιγράφηκαν αναλυτικά τα ανασκαφικά δεδομένα της νεολιθικής εγκατάστασης στον Προσκυνά (ταφές, λάκκοι) και εξετάστηκαν ζητήματα που αφορούν στις κοινωνικές και ταφικές πρακτικές που καταγράφονται στη θέση, δίνοντας περισσότερη έμφαση στην κεραμική που τις συνοδεύει, στη χωρική της κατανομή, καθώς επίσης στην πιθανή πρακτική και συμβολική χρήση αυτής, λαμβάνοντας υπόψη και τις σύγχρονες θεωρητικές αρχαιολογικές προσεγγίσεις. Μέσω της τυπολογικής εξέτασης της κεραμικής έγινε προσπάθεια μίας σχετικής χρονολογικής προσέγγισης, σύμφωνα με την οποία η θέση του Προσκυνά τοποθετείται στην Τελική Νεολιθική, ενώ παράλληλα αναπτύχθηκαν προβληματισμοί για την ήδη διαμορφωμένη κεραμική ακολουθία της νεολιθικής εποχής στην ευρύτερη περιοχή που εξετάζουμε. Η σημασία της μελέτης αυτής έγκειται στο γεγονός ότι, με αφορμή τα δεδομένα από τον Προσκυνά, έγινε μία πρώτη προσπάθεια αναζήτησης, σύνθεσης, συζήτησης και ερμηνείας των στοιχείων του υλικού πολιτισμού του τέλους της Νεολιθικής εποχής, όπως αυτά έχουν προκύψει από ανασκαφικές έρευνες στην ευρύτερη περιοχή της κεντρικής και νότιας Ελλάδας.
description: The purpose of this master thesis was to present the neolithic site of Proskynas in East Lokris of central Greece and to examine the social and mortuary practices of the Final Neolithic period in central and southern Greece. Emphasis was given mainly on the pottery of the site, on its use in the social context of Proskynas and on its possible symbolic role during the Final Neolithic period.
Can Classical Noise Enhance Quantum Transmission?
Creators: name: Wilde, Mark M.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A modified quantum teleportation protocol broadens the scope of the classical forbidden-interval theorems for stochastic resonance. The fidelity measures performance of quantum communication. The sender encodes the two classical bits for quantum teleportation as weak bipolar subthreshold signals and sends them over a noisy classical channel. Two forbidden-interval theorems provide a necessary and sufficient condition for the occurrence of the nonmonotone stochastic resonance effect in the fidelity of quantum teleportation. The condition is that the noise mean must fall outside a forbidden interval related to the detection threshold and signal value. An optimal amount of classical noise benefits quantum communication when the sender transmits weak signals, the receiver detects with a high threshold, and the noise mean lies outside the forbidden interval. Theorems and simulations demonstrate that both finite-variance and infinite-variance noise benefit the fidelity of quantum teleportation.
description: 11 pages, 3 figures, replaced with published version that includes new section on imperfect entanglement and references to J. J. Ting's earlier work
Schneider, Theodor (hrsg.): Das kirchliche Amt in apostolischer Nachfolge
Creators: name: Vorster, Hans
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 54 Nr. 1 (2005): Ökumenische Rundschau, Band 54, Heft 1
ESR spectroscopy - an analytical tool for the glass industry
Creators: name: Elvers, Achim
name: Weißmann, Rudolf
Publisher: name: Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft
Year: 2001
Subjects: subject: 660

description: In the past, wet chemical methods have been developed for the quantitative analysis of polyvalent elements in glasses. The major disadvantage of these chemical methods is that all structural information is lost during analysis. In addition, the analysis of species by wet chemical methods is unreliable due to possible redox reactions during the decomposition process. Therefore, the emphasis is on the physical methods which can directly detect species in bulk glasses. Especially optical and ESR spectroscopy are suitable methods due to their wide range of applications and sensitivity. Concerning quantitative measurements, no comparison between ESR results and chemical analysis of species has been published so far. This work discusses the possible application of ESR spectroscopy in the glass industry by focussing on routine interpretation, the correlation to chemical procedures and quantitative analysis. Results are presented and discussed for iron and chromium in packaging glasses. For example an excellent correlation was found between the Fe3+ ESR signal and the chemically determined Fe3+ concentration in glass.
Everettian probabilities, the Deutsch-Wallace theorem and the Principal Principle
Creators: name: Brown, Harvey R.
name: Porath, Gal Ben
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: This paper is concerned with the nature of probability in physics, and in quantum mechanics in particular. It starts with a brief discussion of the evolution of Itamar Pitowsky's thinking about probability in quantum theory from 1994 to 2008, and the role of Gleason's 1957 theorem in his derivation of the Born Rule. Pitowsky's defence of probability therein as a logic of partial belief leads us into a broader discussion of probability in physics, in which the existence of objective "chances" is questioned, and the status of David Lewis' influential Principal Principle is critically examined. This is followed by a sketch of the work by David Deutsch and David Wallace which resulted in the Deutsch-Wallace (DW) theorem in Everettian quantum mechanics. It is noteworthy that the authors of this important decision-theoretic derivation of the Born Rule have different views concerning the meaning of probability. The theorem, which was the subject of a 2007 critique by Meir Hemmo and Pitowsky, is critically examined, along with recent related work by John Earman. Here our main argument is that the DW theorem does not provide a justification of the Principal Principle, contrary to claims by Wallace and Simon Saunders. A final section analyses recent claims to the effect that that the DW theorem is redundant, a conclusion that seems to be reinforced by consideration of probabilities in "deviant' branches in the Everettian multiverse.
description: 32 pages
Κοινωνική αλληλεπίδραση ανάμεσα σε βλέποντες και μη βλέποντες εφήβους στο γενικό σχολείο
Creators: name: Γκαρλή, Ελευθερία Βασιλείου
Publisher: name: Aristotle University of Thessaloniki
Year: 2008
Subjects: Κοινωνική αλληλεπίδραση
Τύφλωση
Κοινωνικές δεξιότητες
Γνωστική ανάπτυξη
Συναισθηματική ανάπτυξη
Απομάκρυνση
Social interaction
Blindness
Social skills
Cognitive development
Emotional development
Isolation

description: Τα τελευταία χρόνια γίνονται πολλές προσπάθειες για την κοινωνική ένταξη των παιδιών με ειδικές ανάγκες στο γενικό σχολείο, καθώς ένας αυξανόμενος αριθμός χωρών έχει αποδεχθεί τις αρχές της ένταξης σύμφωνα με τις οποίες αναγνωρίζεται ότι το γενικό σχολείο θα πρέπει να είναι η πρώτη επιλογή για το κάθε παιδί. Τα παιδιά με ανεπάρκειες όρασης, γίνονται δέκτες των προσπαθειών αυτών. Η αποτελεσματικότητά τους όμως εξαρτάται από τις γνώσεις που διαθέτουν όσοι ασχολούνται με την αγωγή των παιδιών και των εφήβων με ανεπάρκειες όρασης, για τις γνωστικές τους ικανότητες αλλά και την κοινωνική και συναισθηματική κατάσταση των τελευταίων. Το ζήτημα αυτό είναι ιδιαίτερα σημαντικό καθώς έχει διαπιστωθεί ότι τις περισσότερες φορές τα παιδιά και οι έφηβοι με ανεπάρκειες όρασης παραμένουν απομονωμένοι και αντιμετωπίζουν προβλήματα στην κοινωνική αλληλεπίδραση με τους βλέποντες συμμαθητές τους
description: During the last years a lot of efforts are being done for the social integration of the children with special needs in the public schools. An increasing number of countries has accepted the principles of integration according to which public school is aknoledged that it should be the first choice oc very child, even for those with visual impairements. This is a very important issue because most of children and adolescents with visual impairements remain isolated and face problems in social interaction with their sighted peers
Additional file 1 of Time-varying exposure to food retailers and cardiovascular disease hospitalization and mortality in the netherlands: a nationwide prospective cohort study
Creators: name: Pinho, Maria Gabriela M.
name: Koop, Yvonne
name: Mackenbach, Joreintje D.
name: Lakerveld, Jeroen
name: Simões, Mariana
name: Vermeulen, Roel
name: Wagtendonk, Alfred J.
name: Vaartjes, Ilonca
name: Beulens, Joline W. J.
Publisher: name: figshare
Year: 2024
Subjects: subject: Medicine
subject: Neuroscience
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Computational Biology

description: Additional file 1. Description of the characteristics of the food retailers categories used for exposure measures.
The A. Robert Kaufman Papers at the University of Baltimore Langsdale Library Special Collections Poster
Creators: name: Elizabeth, Youle
Publisher: name: Maryland Shared Open Access Repository
Year: 2015
Subjects: A. Robert Kaufman

description: The A. Robert Kaufman Papers poster was created for a classroom presentation by graduate student, Elizabeth Youle, to illustrate her field study internship experience at the University of Baltimore Langsdale Library Special Collections Department during her Spring 2015 term in the Masters in Library Science program at the College of Information Science, University of Maryland.
Zerstörungskennlinien für Verbundsicherheitsglasscheiben
Creators: name: Mayrhofer, Christoph
name: Kranzer, Caroline
Publisher: name: Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft
Year: 2001
Subjects: subject: 660

description: Für die Bewertung des Tragverhaltens von Bauteilen bei Explosionsereignissen sind sogenannte „Druck-Impuls-Diagramme" erforderlich. Diese geben in Abhängigkeit vom Druck und dem Impuls der Belastung an, für welche Wertepaare Zerstörung eintritt und welchen Belastungswerten das betrachtete Bauteil standhält. Derartige Zerstörungskennlinien sind am Fraunhofer EMI für eine Vielzahl von Werkstoffen entwickelt worden. Den Zerstörungskennlinien liegt das Rechenmodell des Ein-Massen-Schwingers zugrunde. Voraussetzungen für seine Anwendbarkeit sind Biegetragmechanismen, Bruch- bzw. Zerstörungskriterien (z.B. Grenzdurchbiegung) und die Kenntnis des statischen Last-Verformungsverhaltens. Untersuchungen ergaben, daß Verbundsicherheitsglasscheiben die Voraussetzungen für die Erstellung von Zerstörungskennlinien erfüllen. Es wird eine Näherungsmethode zur Erfassung des statischen Tragverformungsverhaltens unter Berücksichtigung von Membranspannungszuständen dargestellt. Am Beispiel anderer Werkstoffe wird die prinzipielle Vorgehensweise erläutert, da für Verbundsicherheitsscheiben bisher noch keine Bruchkriterien zur Verfügung stehen.
Reply to `On a recent proposal of faster than light quantum communication'
Creators: name: Shiekh, A. Y.
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Physics (physics.gen-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In a recent paper the author proposed the possibility of an experiment to perform faster-than-light communication via the collapse of the quantum wave-function. This was analyzed by Bassi and Ghirardi, and it is believed that this analysis itself merits a detailed examination.
description: 4 pages, 1 figure
Glass formation and chemical durability of dysprosium lithium borate glasses intended for in vivo radiation synovectomy
Creators: name: Conzone, Samuel D.
name: Hemrick, James G.
name: Day, Delbert E.
Publisher: name: Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft
Year: 2001
Subjects: subject: 660

description: The glass formation and structure/property relationships for Dy2O3-Li2O-B2O3 glasses were investigated. Such glasses are currently being considered for in vivo radiation delivery vehicles. Chemical dissolution tests were conducted in simulated synovial fluid (pH 7.4, at 37 °C, for 11 d) to evaluate the release of dysprosium from selected glasses. The chemical durability, Tg, nD and density increased as either the Li2O or Dy2O3 content in a glass was increased. Such property trends are attributed to increased cross-linking within the glass structure as BO3 triangles are converted to BO4 tetrahedra. Αproposed structural model assumes dysprosium is incorporated into the glass with a coordination number of eight and is surrounded by four BO4 tetrahedra. Glasses containing ≥ 1.0 mol% Dy2O3 released less than 0.1 % of their initial dysprosium content after being immersed in simulated synovial fluid for 11 d at 37 °C. These glasses are considered safe for in vivo radiation delivery from the standpoint of radiation release, since dysprosium will be the only radioisotope in the glass during treatment.
Super Massive Star Clusters: From Superwinds to a Cooling Catastrophe and the Re-processing of the Injected Gas
Creators: name: Silich, S.
name: Tenorio-Tagle, G.
name: Munoz-Tunon, C.
name: Palous, J.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Different hydrodynamic regimes for the gaseous outflows generated by multiple supernovae explosions and stellar winds occurring within compact and massive star clusters are discussed. It is shown that there exists the threshold energy that separates clusters whose outflows evolve in the quasi-adiabatic or radiative regime from those within which catastrophic cooling and a positive feedback star-forming mode sets in. The role of the surrounding ISM and the observational appearance of the star cluster winds evolving in different hydrodynamic regimes are also discussed.
description: 4 pages, 2 figures, to be published in the Proceedings IAU Symposium 237 "Triggered Star Formation in a Turbulent ISM", eds. B.G. Elmegreen & J. Palous
Sodium sulfate decomposition in dry atmospheres
Creators: name: Samadhi, Tjokorde W.
name: Elliott, Jennifer C.
name: Jones, Linda E.
name: Clare, Alexis G.
Publisher: name: Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft
Year: 2001
Subjects: subject: 660

description: Na2SO4 in silicate glass batches is an environmental issue, since it releases SOx upon decomposition. Decomposition of Na2SO4 in different environments is studied by mass-loss measurements combined with evolved gas analysis, and thermochemical modeling. The decomposition experiments are undertaken in dry, pure O2(g), Ar(g), N2(g), and air(g) at 95 kPa total pressure. Thermochemical calculations using the code F*A*C*T predict SO2(g), Na(g), Na2SO4(g), NaO(g), and, in some cases, NO(g) as major emission species. The concentrations of these species increase with temperature. Na2SO4 decomposition initiates at ≈1373 K. Isothermal decomposition exhibits linear behavior with respect to time in 1473 to 1673 Κ range. At 1673 K, the decomposition rate is 24 · 10^-4 mg/(mm2 min) in UHP (ultra-high purity) O2 and 69 · 10^-4 mg/(mm2 min) in UHP N2. Evolved gas analyses identify SO(g)/SO2(g) as the emitted pollutants. In O2-rich atmospheres, SO(g) is a significant product as well as SO2(g). In inert atmospheres, SO2(g) is the sole decomposition product. At 1673 Κ in UHP O2, the concentration is 55 ppm (by volume) for SO(g) and 61 ppm for SO2. At 1673 Κ in UHP N2, SO2(g) concentration is 651 ppm. The decomposition is described by a surface reaction mechanism, in which SOx is generated by surface rearrangement of sulfur-oxygen complexes on the Na2So4 melt surface. Inert atmospheres increase SOx emission by facilitating this rearrangement process. O2-rich atmospheres passivate the melt surface, which favors the emission of lighter molecules such as SO(g).
Evaluation der interaktiven NoPhish Präsenzschulung
Creators: name: Berens, Benjamin
name: Aldag, Lukas
name: Volkamer, Melanie
Publisher: name: Gesellschaft für Informatik e.V.  (GI)
Year: 2021

description: Phishing Angriffe stellen nach wie vor eine große Bedrohung für Privatpersonen und Unternehmen, Vereine und öffentliche Einrichtungen dar. Es gibt bereits viel Forschung zur Effektivität von Security Awareness-Maßnahmen und insbesondere im Kontext von Phishing Angriffen. Die meisten Paper messen den Effekt unmittelbar nach der Durchführung der Maßnahme. Nur wenige Paper untersuchen, wie lange der Effekt hält, sprich wann eine Auffrischungsmaßnahme durchgeführt werden sollte. Ziel dieses Papers ist es, zu bestätigen, dass der Effekt der NoPhish Präsenzschulung vier Monate anhält. Hierzu wurde eine entsprechende Studie im Rahmen einer freiwilligen Präsenzschulung mit 19 Teilnehmener/innen bei der Polizei durchgeführt und konnte die bisherigen Ergebnisse nicht bestätigen.
Development of a simulation model for the expansion of perlite
Creators: name: Zähringer, Katharina
name: Martin, Jean-Pierre
name: Petit, Jean-Pierre
Publisher: name: Offenbach : Verlag der Deutschen Glastechnischen Gesellschaft
Year: 2001
Subjects: subject: 660

description: New applications of expanded perlite in the building industry lead to a growing demand for process optimization for the expansion of periite. Periite expanders aim to adapt their furnaces and/or furnace operation conditions in order to attain more flexibility to produce different expanded periite qualities. Α way to examine the possibilities of an existing installation is the numerical simulation of the periite expansion process in that installation. The two-phase flow field and combustion in the furnace can be modelled by using currently available Computational Fluid Dynamics (CFD) codes. The only problem is the modelling of the expansion process, which changes the particle size and thus influences the two-phase flow calculations. In this paper the authors propose a physical model for the simulation of the expansion of periite. This model is based on the results of fundamental studies concerning the expansion phenomenon. It relies on the calculation of particle temperature and viscosity and thus takes into account the most influential parameters for perlite expansion. It allows the calculation of the perlite particle size as a funedon of time or of the particle's trajectory inside a furnace. Particle size statistics of the expanded product can be determined in that way. The model has been validated by comparison with experimental results from laboratory and industrial measurements.
Determinantal Correlations for Classical Projection Processes
Creators: name: Forrester, Peter J.
name: Nagao, Taro
Publisher: name: arXiv
Year: 2008
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Recent applications in queuing theory and statistical mechanics have isolated the process formed by the eigenvalues of successive minors of the GUE. Analogous eigenvalue processes, formed in general from the eigenvalues of nested sequences of matrices resulting from random corank 1 projections of classical random matrix ensembles, are identified for the LUE and JUE. The correlations for all these processes can be computed in a unified way. The resulting expressions can then be analyzed in various scaling limits. At the soft edge, with the rank of the minors differing by an amount proportional to $N^{2/3}$, the scaled correlations coincide with those known from the soft edge scaling of the Dyson Brownian motion model.
description: 26 pages