cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Construction of national identity: British art 1930-1990
Creators: name: Masters, David
Publisher: name: The Open University
Year: 1996

description: Claims for the 'Englishness' or 'Britishness' of art are often attended by a confident appeal to the 'obvious' innateness of certain characteristics - such as individualism, an amateur impulse, or a tendency for figurative work. In some cases claims are made that these, and other 'national' traits, are an embodiment of 'civilized values'. One of the objects of the present study will be to identify and examine some of these key characteristics. This will involve an enquiry into the relationship of art to other areas of social life at different historical conjunctures. Three periods have been chosen for particular consideration: 1930-1939; the mid-40s to mid-50s; and the 1980s. In each of the three periods attention will be focussed on a range or art practices, theories, and sites of production and distribution. This will involve, in some places 'case studies' of books, journals and exhibitions which seem to bring some of the issues into sharp focus. Key subjects will include not only the issue of what is 'British' but what is 'un- British'. 'Figuration', 'the landscape', 'abstraction', and 'internationalism' emerge as some of the principal concepts fought over by those who attempt to assert or contest what is essentially 'British'. A further object of enquiry will be the claims made by some 'critical' modern artists and critics that invocations of 'Britishness' reveal a tendency in this country towards parochialism. The thesis will conclude by observing an interesting development in Britain during the eighties. While some have pronounced modernism dead, others have continued to believe that some of the fundamental ideals and values of modernism remain substantial. Modernism, the latter would claim, continues for the foreseeable future to provide the necessary resources to maintain a critical practice which can resist the more parochial tendencies of 'British' art.
Charging the Conformal Window
Creators: name: Orlando, Domenico
name: Reffert, Susanne
name: Sannino, Francesco
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the properties of near-conformal dynamics in a sector of large charge when approaching the lower boundary of the conformal window from the chirally broken phase. To elucidate our approach we use the time-honored example of the phenomenologically relevant SU(2) color theory featuring $N_f$ Dirac fermions transforming in the fundamental representation of the gauge group. In the chirally broken phase we employ the effective pion Lagrangian featuring also a pseudo-dilaton to capture a possible smooth conformal-to-non-conformal phase transition. We charge the baryon symmetry of the Lagrangian and study its impact on the ground state and spectrum of the theory as well as the would-be conformal dimensions of the lowest large-charge operator. We moreover study the effects of and dependence on the fermion mass term.
description: 15 pages
Experimental Detection of Entanglement with Polarized Photons
Creators: name: Barbieri, M.
name: De Martini, F.
name: Di Nepi, G.
name: Mataloni, P.
name: D'Ariano, G. M.
name: Macchiavello, C.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We report on the first experimental realization of the entanglement witness for polarization entangled photons. It represents a recently discovered significant quantum information protocol which is based on few local measurements. The present demonstration has been applied to the so-called Werner states, a family of ''mixed'' quantum states that include both entangled and non entangled states. These states have been generated by a novel high brilliance source of entanglement which allows to continuously tune the degree of mixedness.
Drittes Kindergartenjahr und dann? Analyse des Förderbedarfs von Kindern mit drittem Kindergartenjahr zu Beginn des zweiten Zyklus
Creators: name: Haefeli, Rebekka H.
Publisher: name: Zenodo
Year: 2019
Subjects: Sonderpädagogik
Förderunterricht
Kindergarten
Masterarbeit

description: Kinder, die im zweiten Kindergartenjahr einen erhöhten Förderbedarf aufweisen, können im Kanton Zürich ein drittes Kindergartenjahr absolvieren. Ist das dritte Kindergartenjahr nur eine kurzfristige Massnahme, die sich kaum auf den schulischen Förderbedarf der Kinder auswirkt oder profitieren die Kinder längerfristig davon? Zusätzlich zur Aufarbeitung der Einflussfaktoren, die zum dritten Kindergartenjahr führen können, wurde in dieser Arbeit ein Fragebogen zur Erhebung von Förderbedarf entwickelt. Dieser wurde per LimeSurvey an Lehrpersonen von dritten Klassen im Kanton Zürich versandt. Die so erhobenen Daten wurden quantitativ aufgearbeitet. Die Stichprobengrösse der Kinder mit drittem Kindergartenjahr in dieser Arbeit beträgt N = 30. In der Studie konnte festgestellt werden, dass die Mehrheit der Kinder trotz drittem Kindergartenjahr einen erhöhten Förderbedarf aufweisen.
title: Demodulator techniques in satellite communication systems for direct broadcast systems
Creators: name: Marzolini, Remo G. A.
Publisher: name: The Open University
Year: 1996

description: This thesis is concerned with the FM demodulator techniques used in terrestrial TV receiver designs for Direct Broadcast Systems (DBS) from satellites. The various MAC/Packet schemes intended for DBS applications are described and the international standards that apply to them considered, with particular emphasis on the D2-MAC system. Noise in FM systems is discussed and a suitable threshold noise model is chosen for use in DBS TV demodulator systems. The characteristics of the various types of noise effects are considered in terms of their effect upon the TV picture. The threshold performance of a conventional FM demodulator for differing types of modulation is reviewed and it is shown how the threshold characteristic depends upon the nature of the modulation. The literature review carried out represents a significant component of the thesis and combines material from patent literature with more conventional source materials from professional journals, conferences, textbooks, etc. Some ten existing demodulator concepts that exhibit threshold extension characteristics are examined, and where relevant their potential performance in D2-MAC format systems is assessed. The demodulator characteristics that limit their performance in TV systems are identified. It is concluded that designing a threshold extension demodulator, with reliable operation, for all picture contents and for a wide range of input carrier-to-noise ratios, is a formidable task using existing design techniques. On the basis of this examination an adaptive threshold extension demodulator concept is proposed, that utilises information contained within the signal structure to achieve an improved performance over a wide range of input carrier-to-noise ratios and picture content. It is shown how the relevant signal structures may be derived from conventional (PAL, SECAM and NTSC), MAC format and all-digital television systems. Illustrations are given that show how the adaptive demodulator concept can be applied to certain existing threshold extension demodulators, enhancing their performance for television picture reception. Future trends in all-digital DBS TV systems intended ultimately for DBS applications are briefly discussed together with their demodlilation requirements.
Does Independence of Affects Impact Social Functioning and Mental Health?
Creators: name: Skalina, Lauren M.
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 52
subject: Psychology
subject: FOS: Psychology
classificationCode: 5203
subject: Clinical and health psychology
classificationCode: 5205
subject: Social and personality psychology

description: Individuals differ in the degree to which their experience of positive and negative emotion co-varies. That is, some people will have a stronger within-person inverse relationship between positive affect (PA) and negative affect (NA), and some will display a weak or non-existent relationship between the two, or affective independence. This study uses an ecological momentary assessment approach with an undergraduate sample to explore both whether individual differences in affective independence are concurrently related to other psychological variables and whether affective independence can be used to prospectively predict mental health outcomes. Results suggest that affective independence is related to sex and trait neuroticism but is not predictive of depression or social support outcomes. Discussion focuses on fitting the sex and neuroticism findings into the existing literature as well as exploring possible flaws in our theory or study limitations which could have led to our null findings regarding our prospective research questions.
Does Independence of Affects Impact Social Functioning and Mental Health?
Creators: name: Skalina, Lauren M.
Publisher: name: American University
Year: 2023

description: Individuals differ in the degree to which their experience of positive and negative emotion co-varies. That is, some people will have a stronger within-person inverse relationship between positive affect (PA) and negative affect (NA), and some will display a weak or non-existent relationship between the two, or affective independence. This study uses an ecological momentary assessment approach with an undergraduate sample to explore both whether individual differences in affective independence are concurrently related to other psychological variables and whether affective independence can be used to prospectively predict mental health outcomes. Results suggest that affective independence is related to sex and trait neuroticism but is not predictive of depression or social support outcomes. Discussion focuses on fitting the sex and neuroticism findings into the existing literature as well as exploring possible flaws in our theory or study limitations which could have led to our null findings regarding our prospective research questions.
The Impact of Teacher Qualifications on Student Achievement: An Examination of Schools in New Orleans Pre- and Post-Hurricane Katrina
Creators: name: Stewart, Jennifer Michelle
Publisher: name: American University
Year: 2023

description: One important outcome of the restructuring of the New Orleans school system post-Hurricane Katrina, and the subsequent performance of students, was an awareness that some fundamental premises in No Child Left Behind (NCLB) should be revisited. An examination of student performance in the restructured school system, for example, raised questions about the effect of teacher qualifications on students' performance. Implicit in the NCLB legislation was an assumption that teacher qualifications had a positive effect on student performance as measured by standardized tests. Using data from school records and scores on standardized tests, this assumption was examined and analyzed; allowing the researcher to address three research questions. This quantitative descriptive study of nine New Orleans public schools under the Recovery School District control that existed both before and after Hurricane Katrina, provided evidence that as the number of highly qualified teachers decreased, student performance increased. The results of this study indicate that although NCLB legislation made the issue of teacher qualification a priority in improving student performance, the evidence of this study indicates that the NCLB definition of a highly qualified teacher did not have a strong effect on student performance.
Lebensdauer und Regeneration bei Ceratoporella nicholsoni (Hickson, 1911) und Spirastrella (Acanthochaetetes) wellsi (Hartman & Goreau, 1975)
Creators: name: Lehnert, Helmut
name: Reitner, Joachim
Publisher: name: FID GEO
Year: 1997

description: research
Bayesian inference in the multivariate probit model
Creators: name: Tabet, Aline
Publisher: name: University of British Columbia
Year: 2011

description: Correlated binary data arise in many applications. Any analysis of this type of data should take into account the correlation structure among the variables. The multivariate Probit model (MVP), introduced by Ashford and Snowden (1970), is a popular class of models particularly suitable for the analysis of correlated binary data. In this class of models, the response is multivariate, correlated and discrete. Generally speaking, the MVP model assumes that given a set of explanatory variables the multivariate response is an indicator of the event that some unobserved latent variable falls within a certain interval. The latent variable is assumed to arise from a multivariate normal distribution. Difficulties with the multivariate Probit are mainly due to computation as the likelihood of the observed discrete data is obtained by integrating over a multidimensional constrained space of latent variables. In this work, we adopt a Bayesian approach and develop an an efficient Markov chain Monte Carlo algorithm for estimation in MVP models under the full correlation and the structured correlation assumptions. Furthermore, in addition to simulation results, we present an application of our method to the Six Cities data set. Our algorithm has many advantages over previous approaches, namely it handles identifiability and uses a marginally uniform prior on the correlation matrix directly.
Der Wärmehaushalt periglazialer Hochgebirgsböden – Zusammenhänge zwischen Bodentiefe und Frostwechseln (Nördlicher Tian Shan, Kasachstan)
Creators: name: Munack, Henry
name: Schröder, Hilmar
Publisher: name: Geozon Science Media
Year: 2009

description: Ganzjährige Bodentemperaturmessungen wurden zwischen den Sommern der Jahre 2003 und 2004 an elf verschiedenen Standorten eines Hochgebirgstales im Zailijskij Alatau (Nördlicher Tian Shan, Kasachstan) durchgeführt. Die periglaziale Höhenstufe – hier, an der Nordabdachung des Gebirges in der Höhe von ca. 2.700 bis 3.750 m ü. NN – sowie deren überlappungsbereiche mit den sich vertikal anschließenden Höhenstufen wurden zwischen 2.500 und 4.000 m ü. NN mit einer Äquidistanz von 250 Höhenmetern bemessen. Die Messungen dienen der Untersuchung des Bodenwärmehaushalts periglazialer Böden im Hochgebirge. Hierfür wurden die Höhenlage und die Exposition der Messstandorte, die Messtiefe und andere assoziierte Faktoren erfasst und zueinander in Beziehung gesetzt. Die Ergebnisse der Messungen geben Auskunft über die Häufigkeit und Standortabhängigkeit von Frostwechseln. Hierdurch können Ableitungen zu deren Intensität und morphologischer Wirksamkeit getroffen werden.
description: research
Phase separation in a mixture of trapped charged Bose-Einstein condensates
Creators: name: Aksu, S. Seyyare
name: Subaşı, A. Levent
name: Ghazanfari, Nader
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We study the phase separation configurations and their rotational properties for a mixture of two interacting charged Bose-Einstein condensates subject to a magnetic field trapped in disc and Corbino geometries. We calculate the ground state energies of azimuthal and radial phase separation configurations using the Gross-Pitaevskii and the Thomas-Fermi approximations. We show that the results for experimentally relevant system parameters from both approaches are in good agreement. The immiscible mixture in both geometries with equal intracomponent interactions favors the azimuthal phase separation for all intercomponent interactions. Only an imbalance in the intracomponent interactions can result in a transition to the radial phase separation, for which the transition becomes sensitive to the shape of the trap. We present phase diagrams as a function of the inter and intracomponent interactions. While the radial phase separation is widely favoured in disc geometry, the azimuthal phase separation is favoured for narrower Corbino geometries. We explore the rotational properties of the spatially separated condensates under the magnetic field, studying their angular momenta and velocity fields. The quantization of circulation breaks down for the azimuthal phase separation. In this case, the bulk region of the condensate continues to display superfluid flow behavior whereas the velocity field shows a rigid body behavior along the phase boundaries.
description: 9 pages and 7 figures
Fossile Bodenbildungen auf quartären Flußschottern an der Mittellahn und ihre Bedeutung für die Terrassenstratigraphie
Creators: name: Heine, Klaus
Publisher: name: Geozon Science Media
Year: 1971

description: Umfangreiche Untersuchungen der fossilen Böden auf Lahnterrassenschottern im Gelände und im Labor haben gezeigt, daß unterschiedliche Bodenbildungen für die einzelnen Terrassengruppen charakteristisch sind. Sie können bei der Terrassenstratigraphie von Nutzen sein.
description: research
Światowy rynek olejów roślinnych
The Global Market for Vegetable Oils
Creators: name: Rosiak, Ewa
name: Rosiak, Ewa
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: International Relations/Trade
subject: Production Economics
subject: Productivity Analysis
subject: vegetable oils, production, consumption, trade, world, oleje roślinne, produkcja, zużycie, handel, świat

description: The article presents the changes that have taken place in world production, consumption and trade in vegetable oils in the XXI century. The analysis of changes was based on USDA data, which were aggregated to the five-year average of the seasons 2001/02-2005 /06, 2006 /07-2010/11 and 2011 /12-2015 /16. In the twenty-first century, world production of vegetable oils is growing dynamically, following the growing global demand for food and renewable energy. Turnover of international trade vegetable oils is also increasing, but the geographical directions of trade in these products do not change significantly. Soybean oil has lost its leadership in the world production of vegetable oils. Currently, this production is dominated by palm oil, which has a very high degree of concentration of production. Thus, any changes in its few major producers and exporters (Malaysia and Indonesia) have a significant impact on the markets of other oils. Predictions indicate that the upward trend in world production, consumption and trade in vegetable oils will continue. Synopsis. W artykule przedstawiono zmiany jakie nastąpiły w światowej produkcji, zużyciu i handlu olejami roślinnymi w XXI wieku. Analizę zmian przeprowadzono na podstawie danych USDA, które zagregowano do średnich pięcioletnich z sezonów 2001/02-2005/06, 2006/07-2010/11 i 2011/12-2015/16. W XXI wieku światowa produkcja olejów roślinnych dynamicznie wzrasta, w następstwie rosnącego w skali globalnej popytu na żywność i energię odnawialną. Rosną też obroty handlu międzynarodowego olejami roślinnymi, ale kierunki geograficzne handlu tymi produktami nie zmieniają się istotnie. Olej sojowy utracił pozycję lidera w światowej produkcji olejów roślinnych. Aktualnie w tej produkcji dominuje olej palmowy, który charakteryzuje się bardzo wysokim stopniem koncentracji produkcji. Dlatego wszelkie zmiany u jego nielicznych, liczących się producentów i eksporterów (Malezja i Indonezja) mają istotny wpływ na rynki innych olejów. Przewidywania wskazują, że tendencje wzrostowe w światowej produkcji, zużyciu i handlu olejami roślinnymi będą kontynuowane.
description: eISSN 2544-0659
Spectroscopy of phonons and spin torques in magnetic point contacts
Creators: name: Yanson, I. K.
name: Naidyuk, Yu. G.
name: Bashlakov, D. L.
name: Fisun, V. V.
name: Balkashin, O. P.
name: Korenivski, V.
name: Shekhter, R. I.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Phonon spectroscopy is used to investigate the mechanism of current-induced spin torques in nonmagnetic/ferromagnetic (N/F) point contacts. Magnetization excitations observed in the magneto-conductance of the point contacts are pronounced for diffusive and thermal contacts, where the electrons experience significant scattering in the contact region. We find no magnetic excitations in highly ballistic contacts. Our results show that impurity scattering at the N/F interface is the origin of the new single-interface spin torque effect.
description: 4 pages, 5 figs., accepted for publication in PRL
Determinantal processes with number variance saturation
Creators: name: Johansson, Kurt
Publisher: name: arXiv
Year: 2004
Subjects: subject: Probability (math.PR)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: Consider Dyson's Hermitian Brownian motion model after a finite time S, where the process is started at N equidistant points on the real line. These N points after time S form a determinantal process and has a limit as N tends to infinity. This limting determinantal proceess has the interesting feature that it shows number variance saturation. The variance of the number of particles in an interval converges to a limiting value as the length of the interval goes to infinity. Number variance saturation is also seen for example in the zeros of the Riemann zeta function (Odlyzko, Berry). The process can also be constructed using non-intersecting paths and we consider several variants of this construction. One construction leads to a model which shows a transition from a non-universal behaviour with number variance saturation to a universal sine-kernel behaviour as we go up the line.
description: 35 pages
Geometry and Arithmetic of certain Double Octic Calabi-Yau Manifolds
Creators: name: Cynk, S.
name: Meyer, C.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14G10, 14J32

description: We study Calabi-Yau manifolds constructed as double covers of ${\mathbb P}^3$ branched along an octic surface. We give a list of 85 examples corresponding to arrangements of eight planes defined over ${\mathbb Q}$. The Hodge numbers are computed for all examples. There are 7 rigid Calabi-Yau manifolds and 14 families with $h^{1,2}=1$. The modularity conjecture is verified for all the rigid examples.
description: 16 pages, 5 figures
Fenómenos de Viaje Contemporáneos: Una Discusión sobre el Carácter Ambivalente del Volunturismo
Creators: name: GRITUR, Grupo de Investigadores en Turismo
name: Veizaga Nacho, José Richard
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 350806
subject: Tourist behaviour and visitor experience
classificationCode: 350899
subject: Tourism not elsewhere classified
classificationCode: 350801
subject: Impacts of tourism

description: El volunturismo, una tendencia de viaje que combina turismo y voluntariado, permite a las personas participar en proyectos de ayuda comunitaria mientras exploran nuevos destinos. Aunque busca tener un impacto positivo en las comunidades receptoras, también enfrenta críticas por reforzar desigualdades y promover una ayuda mal planificada. Este ensayo examina las características ambivalentes del volunturismo, evaluando tanto sus beneficios como sus posibles perjuicios, e invita a reflexionar sobre las verdaderas motivaciones detrás de esta forma de viaje.
Decoherence and recoherence from vacuum fluctuations near a conducting plate
Creators: name: Mazzitelli, Francisco D.
name: Paz, Juan Pablo
name: Villanueva, Alejandro
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The interaction between particles and the electromagnetic field induces decoherence generating a small suppression of fringes in an interference experiment. We show that if a double slit--like experiment is performed in the vicinity of a conducting plane, the fringe visibility depends on the position (and orientation) of the experiment relative to the conductor's plane. This phenomenon is due to the change in the structure of vacuum induced by the conductor and is closely related to the Casimir effect. We estimate the fringe visibility both for charged and for neutral particles with a permanent dipole moment. The presence of the conductor may tend to increase decoherence in some cases and to reduce it in others. A simple explanation for this peculiar behavior is presented.
description: 4 pages, 1 figure
Physical origin of GeV emission in the early phase of GRB 170405A: Clues from emission onsets with multi-wavelength observations
Creators: name: Arimoto, Makoto
name: Asano, Katsuaki
name: Tachibana, Yutaro
name: Axelsson, Magnus
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The origin of GeV emission from the early epoch of gamma-ray bursts (GRBs) is a widely discussed issue. The long gamma-ray burst GRB 170405A, observed by the Fermi Gamma-ray Space Telescope showed high-energy emission delayed by $\sim$20 s with respect to the X-ray emission, followed by temporally fading gamma-ray emission lasting for $\sim$1,000 s, as commonly observed in high-energy GRBs. In addition, a high-energy spectral cutoff at $\sim$50 MeV was detected in the prompt emission phase. If this feature is caused by pair-production opacity, the bulk Lorentz factor of the GRB ejecta can be estimated to be $Γ_{\rm bulk}$ = 170-420. Simultaneously with Fermi, GRB 170405A was observed by Swift/Burst Alert Telescope (BAT) and X-ray telescope (XRT), and a clear optical onset was detected $\sim$200 s after the burst by Swift/UltraViolet Optical Telescope (UVOT). By coupling the deceleration time to the derived bulk Lorentz factor, the deceleration time was found to correspond to the delayed onset in the optical band. While the delayed onset in the optical band is evidence that this emission had an external shock origin, the temporally extended emission in the GeV band before the optical onset is hard to reconcile with the standard synchrotron emission from the same external shock. This may imply that the common feature of GeV emission with a power-law decay does not necessarily have the same origin of the optical afterglow in all Fermi/LAT GRBs, particularly in their early epoch. Another emission mechanism to explain the GeV emission in GRB 170405A can be required such as an internal-shock or inverse Compton emission.
description: 18pages, 5 figures, accepted for publication in The Astrophysical Journal
title: European urbanism in Caracas (1870s-1930s)
Creators: name: Marte, Arturo Almandoz
Publisher: name: The Open University
Year: 1996

description: The research focuses on the transfer of European urban ideas into Caracas, from Antonio Guzman Blanco's urban reforms in the 1870s to the proposal of the 1939 Plan Monumental de Caracas, devised under the guidance of the French urbanist Maurice Rotival. Considering that the emergence of urbanism cannot be reduced to its mere technical contents - especially in the backward context of the Venezuela of that period - the research traces not only the transfer of urbanistic ideas, but also the importation which took place in the domains related to the Caraquenians' urban culture and urbanity. At the same time, that urban transfer is not reduced to a deterministic effect of economic dependence, but is rather regarded as a component of the cultural relationship maintained by the Venezuelan elite with the most advanced countries of North Atlantic capitalism. By tracing the transfer of urban ideas from Europe into Caracas - which remains the core issue of the research -a parallel question is explored: the reconstruction of the primary stages which articulated the urban debate in Venezuela and underpinned modern urbanism as a discipline, a process which apparently occurred against that European background. This reconstruction involves three episodes - the urban art of the Guzmanian city, the hygiene and progress of the belle Opoque and the monumental urbanism of the democratic capital - which are presented as components of a European-oriented cycle in the history of Caracas. In order to trace that transfer and reconstruct those episodes, the research combines four types of urban discourse: the legal, political and administrative texts, the urban literature, the travel chronicles and general descriptions, and technical literature about urbanism. The interlacement of such a catalogue of specialized and non-specialized sources claims to be an innovation of the research.
Przemiany w wyposażeniu technicznym gospodarstw rolnych na Ukrainie w latach 2000-2015
Changes in the Technical Equipment of Agricultural Enterprises in Ukraine in the Period of 2000-2015
Creators: name: Skudlarski, Jacek
name: Chibowski, Piotr
name: Izdebski, Waldemar
name: Makarchuk, Oksana
name: Krygul, Roman
name: Zaika, Svetlana Aleksandrovna
name: Zając, Stanisław
name: Skudlarski, Jacek
name: Chibowski, Piotr
name: Izdebski, Waldemar
name: Makarchuk, Oksana
name: Krygul, Roman
name: Zaika, Svetlana Aleksandrovna
name: Zając, Stanisław
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Farm Management
subject: International Development
subject: mechanization of agriculture, agriculture, Ukraine, mechanizacja rolnictwa, rolnictwo, Ukraina

description: The purpose of the article was the analysis of the change in the equipment of Ukraine's agriculture in selected means of mechanization of plant growing in the period of 2000-2015. The analysis is limited of tractors, combine harvesters, machines for harvesting potatoes and sugar beet. By preparing the article, data of the State Statistics Service of Ukraine was used, as well as available publications. The changes that have occurred in the agriculture of Ukraine caused significant on depletion of the technical base of agricultural enterprises. At the same time, the area of agricultural land for one tractor and the sown area for one machine increased significantly. One of the important problems facing the Ukrainian agriculture is considerable technical, moral and economical wear and tear of the machinery and tractor fleet in households and enterprises. Synopsis. Celem opracowania jest analiza zmian stanu wyposażenia ukraińskiego rolnictwa w wybrane środki mechanizacji do produkcji roślinnej w latach 2000-2015. Analizy ograniczono do ciągników rolniczych, kombajnów zbożowych, maszyn do zbioru ziemniaków i buraków cukrowych. W przygotowaniu opracowania wykorzystano materiały statystyczne Państwowej Służby Statystyki Ukrainy (UKRSTAT) oraz dostępną literaturę przedmiotu. Przemiany jakie nastąpiły w rolnictwie Ukrainy spowodowały znaczne uszczuplenie bazy technicznej przedsiębiorstw rolnych. Jednocześnie znacznie wzrosła powierzchnia UR przypadająca na ciągniki rolnicze oraz powierzchnia upraw w przeliczeniu na jedną maszynę do zbioru. Istotnym problemem z którym boryka się ukraińskie rolnictwo jest znaczne zużycie techniczne, moralne i ekonomiczne parku ciągnikowo- maszynowego w gospodarstwach i przedsiębiorstwach rolnych.
description: eISSN 2544-0659
The Impact of Teacher Qualifications on Student Achievement: An Examination of Schools in New Orleans Pre- and Post-Hurricane Katrina
Creators: name: Stewart, Jennifer Michelle
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 39
subject: Education

description: One important outcome of the restructuring of the New Orleans school system post-Hurricane Katrina, and the subsequent performance of students, was an awareness that some fundamental premises in No Child Left Behind (NCLB) should be revisited. An examination of student performance in the restructured school system, for example, raised questions about the effect of teacher qualifications on students' performance. Implicit in the NCLB legislation was an assumption that teacher qualifications had a positive effect on student performance as measured by standardized tests. Using data from school records and scores on standardized tests, this assumption was examined and analyzed; allowing the researcher to address three research questions. This quantitative descriptive study of nine New Orleans public schools under the Recovery School District control that existed both before and after Hurricane Katrina, provided evidence that as the number of highly qualified teachers decreased, student performance increased. The results of this study indicate that although NCLB legislation made the issue of teacher qualification a priority in improving student performance, the evidence of this study indicates that the NCLB definition of a highly qualified teacher did not have a strong effect on student performance.
Świadomość młodzieży akademickiej na temat rolnictwa
The Awareness of Academic Youth on Agriculture
Creators: name: Szafrańska, Monika
name: Szafrańska, Monika
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Labor and Human Capital
subject: Teaching/Communication/Extension/Profession
subject: agricultural awareness, academic youth, Voivodship of Lesser Poland, świadomość rolnicza, młodzież akademicka

description: The aim of the work is to assess the level of agricultural awareness of academic youth and to pinpoint selected factors determining this the level. Being familiar with these determinants might serve as the basis for taking some actions by various entities which contribute to the increase in the agricultural awareness of the young generation. The main source of the data used for the analyses and applications was the primary information obtained from personal research. The research was done by using PAPI method on the group of 436 students. In order to measure and evaluate the youth awareness on agriculture the index of agricultural awareness was used. The findings of the studies indicate that the level of agricultural awareness of academic youth on the role in economy, society and environment is low. The determinants of agricultural awareness among students were gender and abode. Synopsis. Celem pracy jest ocena poziomu świadomości rolniczej młodzieży akademickiej z woj. małopolskiego oraz określenie wybranych czynników determinujących ten poziom. Ich znajomość może stanowić podstawę działań różnych podmiotów, które przyczynią się do wzrostu świadomości rolniczej młodego pokolenia. Zasadniczym źródłem danych wykorzystanych do analizy i wnioskowania były informacje pierwotne uzyskane z badań własnych, przeprowadzonych metodą PAPI na grupie 436 studentów. Do pomiaru i oceny świadomości młodzieży na temat rolnictwa wykorzystano indeks świadomości rolniczej. Jak wynika z przeprowadzonych badań, większość respondentów nie rozumie roli rolnictwa, którą odgrywa ono w gospodarce, społeczeństwie i środowisku. Determinantami poziomu świadomości rolniczej w grupie studentów były płeć oraz miejsce zamieszkania.
description: eISSN 2544-0659
Positive Emotions in Response to Parental Illness: The Impact of Dispositional Gratitude on Depression and Anxiety in the Children of Parents With an Illness
Creators: name: Stoeckel, Maggie
Publisher: name: American University
Year: 2023

description: Existing literature suggests that the children of ill parents are susceptible to anxiety and depression (Armistead, Klein, & Forehand, 1995; Hirsch, Moos, & Reischl, 1985). However, some may respond to threatening circumstances such as chronic illness or grief with positive emotions and finding benefits, including appreciation of life and greater emotional strength (Affleck & Tennen, 1996; Oltjenbruns, 1991). Furthermore, the child's subjective experience of parental illness can be powerful in predicting the child's ability to function adaptively in the face of this stressor (Compas et al., 1994; Kotchick et al., 1997). The current study explored the adolescent child response to parental illness by examining the potential impact of dispositional gratitude, family variables, and objective and subjective characteristics of parental illness on adolescent child depression and anxiety. 136 college students (72 healthy parents, 64 ill parents) were asked to complete a series of self-report measures examining dispositional gratitude, family quality of life, depression, and anxiety. Results indicate that in comparison to the healthy parent group, the ill parent group experienced lower family quality of life and trended towards higher anxiety levels. Within the ill parent group, chronic onset of parental illness was associated with higher depression scores than acute onset, number of parental hospitalizations was directly associated with anxiety scores, and parental involvement was inversely associated with anxiety scores. Dispositional gratitude was not a mediator between parental health status and internalizing symptoms; however, parental health status moderated the relationship between dispositional gratitude and adolescent child anxiety and depression. This study contributes to our understanding of the child's experience of parental illness and speaks to the need to explore this area further.
Remote Individual Addressing of Quantum Emitters with Chirped Pulses
Creators: name: Casulleras, Silvia
name: Gonzalez-Ballestero, Carlos
name: Maurer, Patrick
name: García-Ripoll, Juan José
name: Romero-Isart, Oriol
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We propose to use chirped pulses propagating near a bandgap to remotely address quantum emitters. We introduce a particular family of chirped pulses that dynamically self-compress to sub-wavelength spot sizes during their evolution in a medium with a quadratic dispersion relation. We analytically describe how the compression distance and width of the pulse can be tuned through its initial parameters. We show that the interaction of such pulses with a quantum emitter is highly sensitive to its position due to effective Landau-Zener processes induced by the pulse chirping. Our results propose pulse engineering as a powerful control and probing tool in the field of quantum emitters coupled to structured reservoirs.
description: 5+5 pages, 3+3 figures
Wahania koniunkturalne na światowym i polskim rynku odtłuszczonego mleka w proszku w latach 2004-2016
Cyclical Changes of Situation on the World and Domestic Markets of Skimmed Milk Powder
Creators: name: Szajner, Piotr
name: Szajner, Piotr
Publisher: name: Unknown
Year: 2017
Subjects: subject: Agribusiness
subject: Demand and Price Analysis
subject: Livestock Production/Industries
subject: dairy sector, milk powder, market, economy cycle, prices, mleczarstwo, mleko w proszku, rynek, cykl koniunkturalny, ceny

description: Economic activities are featured with certain cycles. The cycles can concern the whole economy as well as particular sectors. The dairy industry is one of the branches that are of high importance in Polish and the world as regards food sector. Polish dairy industry faced deep structural changes and modernisation. After the accession to the EU domestic market is strongly linked to both the EU and the world markets. The production in Poland exceeds consumption by ca 20%. The surplus is exported, which ties up the situation on the domestic market with the situation on international markets. Conducted analysis of the domestic and the world markets of milk skimmed powder showed parallel fluctuations. Domestic prices and the prices on the world markets are strongly correlated. The knowledge on the characteristics of those fluctuations allows stakeholders for a proper risk management as well as elaboration of suitable policy options by government administration. Synopsis. Działalność gospodarcza charakteryzuje się wahaniami koniunkturalnymi. Cykle koniunkturalne mogą dotyczyć całej gospodarki, jak i konkretnych sektorów. Mleczarstwo jest branżą, która ma duże znaczenie w polskim i światowym sektorze rolno-żywnościowym. Polskie mleczarstwo przeszło głębokie przemiany strukturalne i modernizacyjne. Po akcesji do UE nastąpiło silne powiązanie rynku krajowego, unijnego i światowego. Polska dysponuje nadwyżką mleka surowego (ok. 20%), która jest eksportowana, co skutkuje silnym uzależnieniem od sytuacji cenowej na międzynarodowym rynku. Analiza krajowego i światowego rynku chudego mleka w proszku potwierdziła, że wahania koniunkturalne są analogiczne, a ceny krajowe i światowe są silnie skorelowane. Wiedza na temat charakterystyki wahań koniunkturalnych ma utylitarny charakter, gdyż podmiotom branży umożliwia zarządzanie ryzykiem, a administracji przygotowanie efektywnych instrumentów polityki interwencyjnej.
description: eISSN 2544-0659
Schistoloma altum
Creators: name: Páll-Gergely, Barna
name: Nguyen, Phi Khanh
name: Chen, Yansen
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Architaenioglossa
Pupinidae
Schistoloma
Schistoloma altum

description: Schistoloma altum (Sowerby I, 1842)
 Cyclostoma altum Sowerby I, 1842: 84.
 Schistoloma altum, — Kobelt, 1902: 278.
 Schistoloma (Schistoloma) alta alta, — Bartsch, 1916: 197, plate 51, figs. 9, 11.
 Schistoloma (Schistoloma) alta mindoroensis Bartsch, 1916: 198, plate 51, figs. 1, 3. new synonym
 Schistoloma (Schistoloma) alta rombloensis Bartsch, 1916: 199. new synonym
 Schistoloma (Schistoloma) alta sibuyanensis Bartsch, 1916: 199. new synonym
 Schistoloma (Schistoloma) alta pygmaea Bartsch, 1916: 200. new synonym
 Schistoloma altum — Egorov, 2013: 14, fig. 22a.
 Type locality. “supra truncos arborum in montibus insulae Negros, Philippinarum”.
 Remarks. We have not examined the type specimens, but based on the descriptions it became obvious that the differences are so slight (only differing in colour of peristome), that the subspecies of Bartsch (1916) cannot be maintained.
description: Published as part of Páll-Gergely, Barna, Nguyen, Phi Khanh & Chen, Yansen, 2019, A review of Vietnamese Schistoloma Kobelt, 1902 with a list of all known species of the genus (Caenogastropoda: Cyclophoroidea: Pupinidae), pp. 322-327 in Raffles Bulletin of Zoology 67 on page 326, DOI: 10.26107/RBZ-2019-0023, http://zenodo.org/record/4577058
Open membranes, ribbons and deformed Schild strings
Creators: name: Berman, David S.
name: Pioline, Boris
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We analyze open membranes immersed in a magnetic three-form field-strength $C$. While cylindrical membranes in the absence of $C$ behave like tensionless strings, when the $C$ flux is present the strings polarize into thin membrane ribbons, locally orthogonal to the momentum density, thus providing the strings with an effective tension. The effective dynamics of the ribbons can be described by a simple deformation of the Schild action for null strings. Interactions become non-local due to the polarization, and lead to a deformation of the string field theory, whereby string vertices receive a phase factor proportional to the volume swept out by the ribbons. In a particular limit, this reduces to the non-commutative loop space found previously.
description: revtex
Discovery of a thermonuclear Type I X-ray burst in infrared: new limits on the orbital period of 4U 1728-34
Creators: name: Vincentelli, F. M.
name: Cavecchi, Y.
name: Casella, P.
name: Migliari, S.
name: Altamirano, D.
name: Belloni, T.
name: Diaz-Trigo, M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We report the detection of an infrared burst lagging a thermonuclear Type I X-ray burst from the accreting neutron star 4U 1728-34 (GX 354-0). Observations were performed simultaneously with XMM-Newton (0.7-12 keV), NuSTAR (3-79 keV) and HAWK-I@VLT (2.2$μ$m). We measure a lag of $4.75 \pm 0.5$ s between the peaks of the emission in the two bands. Due to the length of the lag and the shape of the IR burst, we found that the most plausible cause for such a large delay is reprocessing of the Type I burst X-rays by the companion star. The inferred distance between the neutron star and the companion can be used to constrain the orbital period of the system, which we find to be larger than $\sim$ 66 minutes (or even $\gtrsim$ 2 hours, for a realistic inclination $< 75^\circ$). This is much larger than the current tentatively estimated period of $\sim 11$ minutes. We discuss the physical implications on the nature of the binary and conclude that most likely the companion of 4U 1728-34 is a helium star.
description: Accepted for publication in MNRAS Letters. 6 Pages, 4 Figures
Put those dirty rumours to bed : a discourse analysis of masculinity and femininity in Maxim magazine
Creators: name: Rose, Kveta
Publisher: name: University of British Columbia
Year: 2011

description: Whereas a great deal of attention has been paid to how femininity is constructed in magazines read by teen girls, little research has focused on how femininity and masculinity are constructed in magazines read by teen boys. Since in North America there is not a general interest magazine marketed specifically to teen boys, if teen boys are interested in reading articles that address topics such as relationships, romance, and sex, they must choose from one of the general interest magazines marketed to men. Using poststructuralism and critical discourse analysis, I analyse discourses of masculinity and femininity in the advice columns of Maxim magazine, the most popular men's general interest magazine among teen boys in the United States. My analysis documents that femininity and masculinity are predominantly associated with being sexually active. However, femininity is also associated with being faceless, without identity, and having little knowledge of one's own body. Conversely, masculinity is associated with having a natural intuition regarding a woman's body and sexual desires, a natural predisposition to objectifying women and engaging in pornography, and having little concern for practicing safe sex. Additionally, I argue that there is a great deal of irony in Maxim which relies on subtly promoting entrenched stereotypes of men and women which may or may not be taken seriously by teen boy readers. I conclude that girl zines attest to the use of critical media education as an avenue through which girls and boys can explore alternate modes of masculinity and femininity and argue that there is a need to involve boys in further research that focuses on representations of masculinity and femininity in popular media texts.
title: Negotiated literacies: how children enact what counts as reading in different social settings
Creators: name: Moss, Gemma
Publisher: name: The Open University
Year: 1996

description: This thesis takes as the object of its enquiry children's talk about the range of different media texts which they circulate amongst themselves in informal settings. It uses this data to raise questions about how we can conceptualise literacy in a multimedia age; the role that talk about texts plays in establishing what it means to read and to be a reader; and the relationship between talk, text and context. The thesis contributes to the development of a social theory of literacy by linking differences observed in ways of talking about texts to different aspects of the social contexts in which those texts circulate. It redefines the social contexts for reading which shape a given literacy event in terms of the social processes through which texts are made available to particular readers ii. particular settings. These social processes are described in terms of the social regulation of texts. The methodological and theoretical issues the thesis tackles arise largely from the attempt to construct a new language of description (See Bernstein, 1996) for the range of talk about texts collected as part of the research data. The language used to describe the data has become the means for making visible aspects of literacy as a social practice which have been previously overlooked. In this respect, the act of description is therefore in itself theoretical: it helps formulate what it refers to.