cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Scaling of Horizontal and Vertical Fixational Eye Movements
Creators: name: Liang, Jin-Rong
name: Moshel, Shay
name: Zivotofsky, Ari Z.
name: Caspi, Avi
name: Engbert, Ralf
name: Kliegl, Reinhold
name: Havlin, Shlomo
Publisher: name: arXiv
Year: 2004
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Eye movements during fixation of a stationary target prevent the adaptation of the photoreceptors to continuous illumination and inhibit fading of the image. These random, involuntary, small, movements are restricted at long time scales so as to keep the target at the center of the field of view. Here we use the Detrended Fluctuation Analysis (DFA) in order to study the properties of fixational eye movements at different time scales. Results show different scaling behavior between horizontal and vertical movements. When the small ballistics movements, i.e. micro-saccades, are removed, the scaling exponents in both directions become similar. Our findings suggest that micro-saccades enhance the persistence at short time scales mostly in the horizontal component and much less in the vertical component. This difference may be due to the need of continuously moving the eyes in the horizontal plane, in order to match the stereoscopic image for different viewing distance.
description: 5 pages, 4 figures
Absorbed relativistic jets in radio-quiet narrow-line Seyfert 1 galaxies
Creators: name: Berton, M.
name: Järvelä, E.
name: Crepaldi, L.
name: Lähteenmäki, A.
name: Tornikoski, M.
name: Congiu, E.
name: Kharb, P.
name: Terreran, G.
name: Vietri, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Narrow-line Seyfert 1 (NLS1) galaxies are peculiar active galactic nuclei (AGN). Most of them do not show strong radio emission, but recently seven radio-quiet (or -silent) NLS1s have been detected flaring multiple times at 37 GHz by the Metsähovi Radio Telescope, indicating the presence of relativistic jets in these peculiar sources. We observed them with the Karl G. Jansky Very Large Array (JVLA) in A configuration at 1.6, 5.2, and 9.0 GHz. Our results show that these sources are either extremely faint or not detected in the JVLA bands. At those frequencies, the radio emission from their relativistic jet must be absorbed, either via synchrotron self-absorption as it occurs in gigahertz-peaked sources or, more likely, via free-free absorption by a screen of ionized gas associated with starburst activity or shocks. Our findings cast new shadows on the radio-loudness criterion, which seems to be more and more frequently a misleading parameter. New high-frequency and high-resolution radio observations are essential to test our hypotheses.
description: Accepted for publication in Astronomy \& Astrophysics. 9 pages, 6 figures, 3 tables
Simulation of Coherent Synchrotron Radiation Emission from Rotating Relativistic Electron Layers
Creators: name: Schmekel, Bjoern S.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: Accelerator Physics (physics.acc-ph)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: The electromagnetic radiation of a rotating relativistic electron layers is studied numerically using particle-in-cell simulation. The results of the simulation confirm all relevant scaling properties predicted by theoretical models. These models may turn out to be important for the understanding of the coherent synchrotron radiation (CSR) instability that may occur in systems as diverse as particle accelerators radio pulsars.
description: 4 pages, 5 figures, one new figure, corrected minor errors, accepted for publication in Physical Review E
Tendencje zmian intensywności produkcji rolniczej w Polsce w aspekcie potencjalnych oddziaływań środowiskowych
Creators: name: Kopiński, Jerzy
name: Kopiński, Jerzy
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Environmental Economics and Policy
subject: Livestock Production/Industries
subject: intensity of production
subject: mineral fertilisers
subject: livestock density
subject: efficiency of nitrogen fertilisation
subject: regional differentiation
subject: / intensywność produkcji
subject: nawożenie mineralne
subject: obsada zwierząt
subject: bilans azotu
subject: efektywność nawożenia azotem
subject: regionalne zróżnicowanie

description: The aim of this study was to assess the trend of intensity of agricultural production in terms of potential environmental impacts assessed on the basis of the nitrogen gross balance. An analysis of changes, in spatial and dynamic approach, was based on a three-year rolling average in the period of 2002-2009. Results of this analysis indicate that a dynamic growth in the intensity of crop production observed in Poland was mainly driven by a significant increase in consumption of mineral fertilizers. This upward trend also seen in the results of nitrogen balance calculations indicate an increase in the adverse impact of intensive agricultural production on the environment. / Synopsis. Celem badań była ocena tendencji zmian intensywności produkcji rolniczej w aspekcie potencjalnych oddziaływań środowiskowych ocenianych na podstawie bilansu azotu brutto. Analizę zmian w ujęciu przestrzennym i dynamicznym przeprowadzono w oparciu o średnie kroczące trzyletnie w okresie lat 2002-2009. Wyniki analiz wskazują, że obserwowany w Polsce dynamiczny wzrost intensywności produkcji roślinnej powodowany był głównie znaczącym zwiększeniem zużycia nawozów mineralnych. Ta wzrostowa tendencja, widoczna także w wynikach bilansu azotu, wskazuje na wzrost niekorzystnego oddziaływania intensywnej produkcji rolniczej na środowisko.
title: The viability kernel algorithm - convergence and application
Creators: name: Böhm, Axel
Publisher: name: TU Wien
Year: 2016
Subjects: subject: differential inclusions
subject: control
subject: viability
subject: numerical methods

description: Diese Masterarbeit beschäftigt sich mit der Berechnung von viability kernels und fällt damit in den Bereich der viability theory. Des weiteren wird die Konvergenzordnung des zur Berechnung benutzten viability kernel algorithm untersucht. Das Hauptaugenmerk wird dabei auf die Klasse der differential inclusions mit einseitig Lipschitz-stetiger rechter Seite gelegt. Außerdem wird eine breite Analyse der Stabilität des viability kernels unter Störungen in den Nebenbedingungen nach außen durchgeführt. Diverse Beispiele in denen eine lineare Abhängigkeit nicht erfüllt ist, sowie eine sehr restriktive aber hinreichende Bedingung werden präsentiert. Darüber hinaus werden numerische Resultate im Bereich der Wertfunktion für Probleme der Kontrolltheorie sowie diverse andere Beispiele illustriert.
description: This thesis is devoted to the problem of computing viability kernels in the context of viability theory. Furthermore, the convergence order of the viability kernel algorithm is investigated. The main focus is put on the class of differential inclusions with one-sided Lipschitz continuous right hand side. A broad analysis of the stability of the viability kernel with respect to perturbations in the constraint set is done. Several counter examples are presented where linear dependence does not hold as well as rather restrictive but sufficient conditions. Furthermore numerical results in the context of value functions of infinite horizon optimal control problems on top of various other examples are illustrated.
Kapitał ludzki jako składnik kapitału intelektualnego w rolnictwie
Creators: name: Kozera, Magdalena
name: Kozera, Magdalena
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Labor and Human Capital
subject: human capital
subject: intellectual capital
subject: agricultural farm
subject: quality of human resources
subject: / kapitał ludzki
subject: kapitał intelektualny
subject: gospodarstwa rolne
subject: jakość zasobów ludzkich

description: Selected problems of human capital in agriculture were presented. The quality of this capital and problems of its measurement have been also discussed. The role of human capital as a primary factor and a substance of intellectual capital was shown. Some typical features of human capital in agricultural farms which distinguish farms from other market objects have been considered. Partial results of a research on the intellectual capital in agriculture focusing on its human resources was presented. / Synopsis. W artykule zaprezentowano wybrane kwestie związane z kapitałem ludzkim w rolnictwie, w tym kwestie jakości tego kapitału oraz problemy pomiaru. Wskazano na rolę kapitału ludzkiego jako podstawowego nośnika i tworzywa kapitału intelektualnego gospodarstw. Omówiono cechy tego kapitału typowe dla gospodarstw rolnych, a zarazem wyróżniające je spośród innych podmiotów rynkowych. Przedstawiono cząstkowe wyniki badań kapitału ludzkiego w gospodarstwach o różnym kierunku produkcji.
Ocena efektywności flot rybackich krajów nadbałtyckich Unii Europejskiej
Creators: name: Marciniak, Mirosława
name: Marciniak, Mirosława
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: International Relations/Trade
subject: Livestock Production/Industries
subject: Production Economics
subject: Baltic fishing fleet
subject: catches structure
subject: economic effectiveness
subject: / bałtycka flota rybacka
subject: struktura połowów
subject: efektywność ekonomiczna

description: The aim of this article a comparative analysis of the economics of fishing fleets registered in the EU member states and operating in the Baltic Sea region. It was found that among the old EU countries, almost all segments of the fishing fleet were profitable, except for the German fishing boats. The best was the Swedish fleet, whose all segments were classified as profitable. In the case of the new EU countries the Polish fleet fared best. In terms of the size of profits was the German fleet (a total annual profit of 27.3 million euro in years 2005-2007), focused mainly on fishing cod, unbeatable. The worst results out of all national fleets had the Estonian fleet which had generated an annual loss of 10.4 million euro in years 2005-2007. / Synopsis. Celem artykułu jest przedstawienie wyników porównawczej analizy ekonomiki flot rybackich z państw członkowskich UE, operujących w regionie Morza Bałtyckiego. Stwierdzono, że wśród starych krajów UE niemal wszystkie segmenty floty są rentowne, z wyjątkiem niemieckich łodzi rybackich. Najlepsza okazała się flota szwedzka, której wszystkie segmenty zostały sklasyfikowane jako opłacalne. W przypadku nowych krajów UE Polska wypadła najlepiej. Bezkonkurencyjna pod względem zysku była flota niemiecka ukierunkowana na połowy dorsza. Najgorsze wyniki osiągnęła flota Estonii, która wygenerowała w latach 2005-2007 straty w wysokości 10,4 mln euro rocznie.
Perturbative breaking of the pseudospin symmetry in the relativistic harmonic oscillator
Creators: name: Lisboa, R.
name: Malheiro, M.
name: de Castro, A. S.
name: Alberto, P.
name: Fiolhais, M.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We show that relativistic mean fields theories with scalar, $S$, and vector, $V$, quadratic radial potentials can generate a harmonic oscillator with exact pseudospin symmetry {\it and positive energy bound states} when $S=-V$. The eigenenergies are quite different from those of the non-relativistic harmonic oscillator. We also discuss a mechanism for perturbatively breaking this symmetry by introducing a tensor potential. Our results shed light into the intrinsic relativistic nature of the pseudospin symmetry, which might be important in high density systems such as neutron stars.
description: 5 pages, 4 figures, uses World Scientific style file. Contribution presented at the International Workshop on Astronomy and Relativistic Astrophysics, Olinda, PE, Brazil, October 12-16, 2003. Published by World Scientific in International Journal of Modern Physics D
Minimal matrix product states and generalizations of mean-field and geminal wavefunctions
Creators: name: Larsson, Henrik R.
name: Jiménez-Hoyos, Carlos A.
name: Chan, Garnet Kin-Lic
Publisher: name: arXiv
Year: 2020
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Simple wavefunctions of low computational cost but which can achieve qualitative accuracy across the whole potential energy surface (PES) are of relevance to many areas of electronic structure as well as to applications to dynamics. Here, we explore a class of simple wavefunctions, the minimal matrix product state (MMPS), that generalizes many simple wavefunctions in common use, such as projected mean-field wavefunctions, geminal wavefunctions, and generalized valence bond states. By examining the performance of MMPSs for PESs of some prototypical systems, we find that they yield good qualitative behavior across the whole PES, often significantly improving on the aforementioned ansätze.
New Higgs Effects in B--Physics in Supersymmetry with General Flavour Mixing
Creators: name: Foster, John
name: Okumura, Ken-ichi
name: Roszkowski, Leszek
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the effect of general flavour mixing among squarks on the rare decays $\bar{B}\to X_sγ$, $\bar{B}_s\toμ^+μ^-$ and $\bar{B}_s-B_s$ mixing beyond the leading order in perturbation theory. We include all large $\tanβ$--enhanced corrections whilst also taking into account the effects of general flavour mixing on the uncorrected quark mass matrix and ${\rm SU}(2)_L\times{\rm U}(1)_Y$ breaking. For $\bar{B}_s\toμ^+μ^-$ and $\bar{B}_s-B_s$ mixing we find that, in analogy to $\bar{B}\to X_sγ$, there appears a focusing effect which can reduce the contribution due to the $δ_{RR}$ (and the $δ_{LL}$) insertion by up to a factor of two at large $\tanβ$ and $μ>0$. A dependence on $δ_{LR}$ and $δ_{RL}$, that otherwise cancels to first order in the mass insertion approximation, is also reintroduced. Taking into account the current experimental bounds on $ΔM_{B_s}$ and BR($\bar{B}_s\toμ^+μ^-$), we find that the insertions $δ_{RL}$ and $δ_{RR}$ can be significantly constrained compared to bounds obtained from $\bar{B}\to X_sγ$ only.
description: version to appear in PLB, minor corrections
Pre-supernova evolution, compact object masses and explosion properties of stripped binary stars
Creators: name: Schneider, F. R. N.
name: Podsiadlowski, Ph.
name: Müller, B.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Most massive stars are born in binary or higher-order multiple systems and exchange mass with a companion during their lives. In particular, the progenitors of a large fraction of compact object mergers, and Galactic neutron stars (NSs) and black holes (BHs) have been stripped off their envelopes by a binary companion. Here, we study the evolution of single and stripped binary stars up to core collapse with the stellar evolution code MESA and their final fates with a parametric supernova (SN) model. We find that stripped binary stars can have systematically different pre-SN structures compared to genuine single stars and thus also different SN outcomes. The bases of these differences are already established by the end of core helium burning and are preserved up to core collapse. We find a non-monotonic pattern of NS and BH formation as a function of CO core mass that is different in single and stripped binary stars. In terms of initial masses, single stars of >35 Msun all form BHs, while this transition is only at 70 Msun in stripped stars. On average, stripped stars give rise to lower NS and BH masses, higher explosion energies, higher kick velocities and higher nickel yields. Within a simplified population synthesis model, we show that our results lead to a significant reduction of the rates of BH-NS and BH-BH mergers with respect to typical assumptions made on NS and BH formation. Therefore, we predict lower detection rates of such merger events by, e.g., advanced LIGO than is often considered. We further show how features in the NS-BH mass distribution of single and stripped stars relate to the chirp-mass distribution of compact object mergers. Further implications of our findings are discussed with respect to the missing red-supergiant problem, a possible mass gap between NSs and BHs, X-ray binaries and observationally inferred nickel masses from Type Ib/c and IIP Sne. [abridged]
description: 25 pages (incl. appendix), 17 figures, 2 tables; final version accepted for publication in A&A
Lived Experiences of the Cashless Debit Card Trial, Ceduna, South Australia
Creators: name: Vincent, Eve
Publisher: name: Canberra, ACT: Australian National University, Centre for Aboriginal Economic Policy Research (CAEPR)
Year: 2019
Subjects: subject: cashless debit card
subject: income management
subject: welfare reform
subject: conditionality
subject: Aboriginal and Torres Strait Islander peoples

description: The cashless debit card (CDC) quarantines 80 % of working age recipients’ income support payments in selected trial sites. This paper concerns the lived experiences of Indigenous and non-Indigenous individuals subject to the first CDC trial in the Ceduna region of South Australia. This paper centres the voices of those affected by the trial, using narrative interviews to highlight recurring themes: complex shame responses to being a part of the trial; local perspectives on circumvention of the card’s restrictions; CDC holders’ comments on two existing processes: the Wellbeing Exemption Clause, which might result in an applicant exiting the trial and the Ceduna Region Community Panel, which is empowered to assess applications to vary the split of restricted and unrestricted monies. To date, non-Indigenous participants in the trial have been disproportionately successful in pursuit of either these options. Finally, I consider the reasons why some research participants express support and enthusiasm for the CDC and why others bitterly resent its introduction and effects. Those most opposed to the card can be understood to advance a critical analysis of the card in social and historical terms.
Cooperative solutions : how the Fair Trade and organic coffee markets support forested ecosystems on Nicaraguan coffee farms
Creators: name: Zelmer, Michael M.
Publisher: name: University of British Columbia
Year: 2010

description: Widespread deforestation throughout Latin America has accentuated the importance of forested coffee farms as bastions of biodiversity that in many respects mimic tropical forests. However, a trend towards producing coffee within highly productive, chemically intensive monocultures has increasingly left these important ecosystems within the hands of small-scale farmers and indigenous communities, who are typically unable to capture much of the value of their coffee because of power asymmetry within their trading relationships. Notable exceptions are farmers who belong to cooperatives, which enable farmers to enhance their power and access the high-value Fair Trade and organic markets. In exchange for high prices, these markets require that farmers meet a variety of certification criteria that, among other things, affect how small coffee farms are managed. This thesis examines the means and processes through which the production of coffee for the organic and Fair Trade markets affects forested ecosystems on small-scale farms in Pancasan and El Coyolar, Nicaragua. In particular, it emphasizes the role of cooperatives as the institution through which standards are met, information is exchanged, decisions are made, access to global markets is facilitated, and a 'new' product with more resilient social and environmental benefits is achieved. While these markets do indeed require farmers to meet certification standards, it is the cooperatives and their allies that develop the capacity necessary for farmers to do so. Moreover, cooperative membership enables farmers to access resources that are embedded within networks they would not otherwise be able to access, and which are significant to both their livelihoods and the forested ecosystems they manage.
title: Freedom For Speech : Outdoor Play And Its Potential For Young Children's Conceptual, Linguistic And Communicative Development
Creators: name: Kennedy, Stephanie Phillipa
Publisher: name: The Open University
Year: 2001

description: This research investigates the opportunities provided in different play contexts, both indoor and outdoor, for three-year-old children to play, talk and listen with peers. The analysis draws on data from an ethnographic study of boys’ and girls’ play in two family centres, two college creches and a nursery class. Observations of naturally occurring informal talk between three-year-olds were documented via note-taking, audio and video recordings and verbatim descriptions of events. One hundred and sixteen recordings of naturally occurring informal talk between three-year-olds were transcribed. Whilst analysing the linguistic strategies of questioning, repetition and appropriation within the children’s discourse it became clear that they were simultaneously learning the language system, learning in an intellectual sense and learning to communicate effectively. The study demonstrates the gendered nature of children’s peer talk as well as illustrating how peers can provide a scaffold and model for children with language delay. Various excerpts show how the transition from solitary/parallel play to collaborative play is discursively managed and expressed. The research results suggest that outdoor play facilities can be particularly beneficial for children’s conceptual, linguistic and communicative development.
Zmiany wydajności rolnictwa Polski i innych krajów Unii Europejskiej
Creators: name: Nowak, Anna
name: Nowak, Anna
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: International Relations/Trade
subject: Labor and Human Capital
subject: Land Economics/Use
subject: agriculture
subject: efficiency
subject: Poland
subject: European Union
subject: / rolnictwo
subject: wydajność
subject: Polska
subject: Unia Europejska

description: This paper identifies and examines the changes which took place in Polish agriculture productivity as well as in other European Union countries in the period of 2000-2008. According to an EUROSTAT data analysis concerning land productivity in Poland, greater increases of land productivity occurred in Poland and similarly in the new accessed EU countries than in the countries of ‘old Union’. A labour productivity increase was also characteristic for the new accessed EU countries including Poland. The majority of high developed countries noted a lower labour productivity compared with that in 2000. But apart from the increasing labour and land productivity tendencies, these values are in Poland still lower than in the EU-15 countries. / Synopsis. Celem opracowania była ocena zmian, jakie dokonały się w wydajności rolnictwa Polski i pozostałych krajów Unii Europejskiej w latach 2000-2008. Jak wykazała analiza danych EUROSTAT, wzrost wydajności ziemi w Polsce, podobnie jak w wielu nowo przyjętych krajach UE, był w badanym okresie większy niż w krajach tzw. starej Unii. Wzrost wydajności pracy był także charakterystyczny głównie dla nowych członków Wspólnoty, w tym dla Polski. W większości krajów wysoko rozwiniętych wydajność pracy w rolnictwie w badanym okresie utrzymywała się na poziomie niższym niż w 2000 roku. Jednak mimo tendencji wzrostu wydajności pracy i ziemi, wskaźniki te w Polsce pozostają nadal niższe niż w krajach UE-15.
Spectral Neural Network Potentials for Binary Alloys
Creators: name: Zagaceta, David
name: Yanxon, Howard
name: Zhu, Qiang
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: In this work, we present a numerical implementation to compute the atom centered descriptors introduced by Bartok et al (Phys. Rev. B, 87, 184115, 2013) based on the harmonic analysis of the atomic neighbor density function. Specifically, we focus on two types of descriptors, the smooth SO(3) power spectrum with the explicit inclusion of a radial basis and the SO(4) bispectrum obtained through mapping the radial component onto a polar angle of a four dimensional hypersphere. With these descriptors, various interatomic potentials for binary Ni-Mo alloys are obtained based on linear and neural network regression models. Numerical experiments suggest that both descriptors produce similar results in terms of accuracy. For linear regression, the smooth SO(3) power spectrum is superior to the SO(4) bispectrum when a large band limit is used. In neural network regression, a better accuracy can be achieved with even less number of expansion components for both descriptors. As such, we demonstrate that spectral neural network potentials are feasible choices for large scale atomistic simulation.
description: 11 pages, 2 figures
The art and science of black hole mergers
Creators: name: Schutz, Bernard F.
Publisher: name: arXiv
Year: 2004
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The merger of two black holes is one of the most extraordinary events in the natural world. Made of pure gravity, the holes combine to form a single hole, emitting a strong burst of gravitational radiation. Ground-based detectors are currently searching for such bursts from holes formed in the evolution of binary stars, and indeed the very first gravitational wave event detected may well be a black-hole merger. The space-based LISA detector is being designed to search for such bursts from merging massive black holes in the centers of galaxies, events that would emit many thousands of solar masses of pure gravitational wave energy over a period of only a few minutes. To assist gravitational wave astronomers in their searches, and to be in a position to understand the details of what they see, numerical relativists are performing supercomputer simulations of these events. I review here the state of the art of these simulations, what we have learned from them so far, and what challenges remain before we have a full prediction of the waveforms to be expected from these events.
description: 12 pages, 3 figures, Proceedings of "Growing Black Holes", Garching 21-25 June 2004
title: Synthesis of novel Si-based long wavelength photoinitiators for dental applications
Creators: name: Mitterbauer, Moritz
Publisher: name: TU Wien
Year: 2016
Subjects: subject: Photopolymere

description: Visible light photopolymerization is widely used for modern applications, such as curing of dental filling materials. The currently used bimolecular photoinitiating system based on camphorquinone / dimethylamino benzoic acid ethyl ester (CQ/DMAB) shows quite limited reactivity. Other more efficient cleavable photoinitiators like bisacylphosphine oxides (BAPO) show an absorption band which does not overlap very well with the emission band of the applied dental LEDs. Also diacylgermane-based structures like Ivocerin with an absorption shifted to longer wavelengths revealed drawbacks relating to its high production costs. Since Si-based photoinitators might have similar absorption properties as the Ge-based compounds, the synthesis and photochemical characterization of such a compound should be the target of this work. Due to the low stability of the existing acylsilane-based type I initiators novel concepts should show be explored. Furthermore, improved reactivity is desired, which should be achieved by repressing the photoinduced formation of a siloxycarbene, also known as Brook-rearrangement. Therefore the synthesis of oxygen substituted acyl silanes was envisaged. Furthermore the strategy of multiple substitution at the silicon atom with aromatic acyl groups resulted in a successful synthesis of a tetraacylsilane, which showed good reactivity in photopolymerization of acrylates. Furthermore the absorption band overlaps very well with the emission band of dental LEDs. However its stability in aqueous media still leaves room for improvement.
Renewable Energy Projects on the Indigenous Estate: Identifying Risks and Opportunities of Utility-Scale and Dispersed Models
Creators: name: Thorburn, Kathryn
name: O'Neill, Lily
name: Hunt, Janet
name: Riley, Brad
Publisher: name: Canberra, ACT: Australian National University, Centre for Aboriginal Economic Policy Research (CAEPR)
Year: 2019
Subjects: subject: Native title
subject: renewable energy
subject: Utility-scale
subject: Indigenous estate
subject: Aboriginal and Torres Strait Islander peoples

description: Australia’s Pilbara and Kimberley regions have very high rates of Indigenous land tenure, whilst hosting some of world’s best co-located solar and wind energy resources. Simultaneously, technological advances in energy transmission and distribution raises the possibility of renewable energy export into Southeast Asia. This paper builds upon previous work (O’Neill, L., Thorburn, K. and Hunt, J. (2019), Ensuring Indigenous benefit from large-scale renewable energy projects: Drawing on experience from extractive industry agreement making, Working Paper No. 127, Centre for Aboriginal Economic Policy Research, Australian National University, Canberra) in considering the opportunities and risks of renewable energy developments for Indigenous communities in these regions. It considers renewable energy developments at two different scales – utility-scale and smaller dispersed models, finding that communities are more likely to obtain broader social and economic benefits from developments in which they have a significant financial stake and have power over aspects of development. Proponents of utility-scale developments may negotiate agreements to offer Indigenous people access to energy, financial compensation for land use, or a stake in ownership. Yet, in considering research from the extractives industry in relation to agreement making we find that broader social and economic benefits for communities are often less than predicted. Research from Canada that looks at the potential for Indigenous ownership of smaller scale renewable energy developments to address local need and benefit, highlights the importance of First Nations’ voices in discussions of regional economic development associated with the coming energy transition.
title: Query answering through reformulation
Creators: name: Chen, Yue
Publisher: name: TU Wien
Year: 2016
Subjects: subject: Anfrageumformung
subject: Integritätsbedingungen
subject: Ontologien
subject: Query Rewriting
subject: Integrity Constraints
subject: Ontologies

description: This thesis is a study on different approaches towards answering query via efficient plans. Efficient plans can be implemented by SQL technique, hence the application to database technology. Reformulation of query helps to limit the query expression to fully accessible database tables so that such an expression can be easily translated into an efficient plan. The approaches presented here function under their own conditions. However, they share a fundamental strategy of connecting proof with plan. The proof is an answerability proof, signifying the existence of a reformulation of the query in a certain fixed vocabulary, and the plan is an executable query extracted from the proof by interpolation technique. The classification of approaches can be based on the query answering problem that they address, or it can be based on the kind of proof they exploit. Roughly speaking, the first three chapters are devoted to the problem of ontology based query answering. Therefore the conditions under which the approach functions are those constraining the ontology and its relation to the query, especially the data model employed by the ontology, a D box data model instead of the more description-logic-conventional A box data model, which motivates the use of reformulation technique. The last two chapters can be viewed as addressing a slightly different problem at hand: query answering over restricted interface. There is no ontology here, rather restrictions on data access and the usual integrity constraints. So it is essentially still the problem of answering query in face of constraints. The technique for solving this problem has been introduced long time ago in the study of predicate logic in the form of preservation and interpolation theorems. However, its application in answering queries depends on the use of these techniques to reformulate the original query into some other query that is more manageable using database techniques. Therefore across the approaches the goal of reformulation is always an executable query, whether this executability reveals itself in a safe range executable query or a relational algebra plan. At the end of chapter five I present an algorithm for extracting a Select-Project-Joinplan from a forward chaining proof given tuple generating dependencies as constraints. Though the proof here is represented by a chase sequence, it is still an entailment proof and the plan is still extracted by interpolation.
Nonlinear left-handed metamaterials
Creators: name: Shadrivov, Ilya V.
name: Zharov, Alexander A.
name: Zharova, Nina A.
name: Kivshar, Yuri S.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Optics (physics.optics)
subject: Pattern Formation and Solitons (nlin.PS)
subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: We analyze nonlinear properties of microstructured materials with negative refraction, the so-called left-handed metamaterials. We demonstrate that the hysteresis-type dependence of the magnetic permeability on the field intensity allows changing the material properties from left- to right-handed and back. Using the finite-difference time-domain simulations, we study wave transmission through the slab of nonlinear left-handed material, and predict existence of temporal solitons in such materials. We demonstrate also that nonlinear left-handed metamaterials can support both TE- and TM-polarized self-trapped localized beams, spatial electromagnetic solitons. Such solitons appear as single- and multi-hump beams, being either symmetric or antisymmetric, and they can exist due to the hysteresis-type magnetic nonlinearity and the effective domains of negative magnetic permeability.
description: 7 pages, 8 figures
Monte-Carlo neutrino transport in neutron star merger simulations
Creators: name: Foucart, Francois
name: Duez, Matthew D.
name: Hebert, Francois
name: Kidder, Lawrence E.
name: Pfeiffer, Harald P.
name: Scheel, Mark A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Gravitational waves and electromagnetic signals from merging neutron star binaries provide valuable information about the the properties of dense matter, the formation of heavy elements, and high-energy astrophysics. To fully leverage observations of these systems, we need numerical simulations that provide reliable predictions for the properties of the matter unbound in these mergers. An important limitation of current simulations is the use of approximate methods for neutrino transport that do not converge to a solution of the transport equations as numerical resolution increases, and thus have errors that are impossible to quantify. Here, we report on a first simulation of a binary neutron star merger that uses Monte-Carlo techniques to directly solve the transport equations in low-density regions. In high-density regions, we use approximations inspired by implicit Monte-Carlo to greatly reduce the cost of simulations, while only introducing errors quantifiable through more expensive convergence studies. We simulate an unequal mass neutron star binary merger up to $5\,{\rm ms}$ past merger, and report on the properties of the matter and neutrino outflows. Finally, we compare our results to the output of our best approximate `M1' transport scheme, demonstrating that an M1 scheme that carefully approximates the neutrino energy spectrum only leads to $\sim 10\%$ uncertainty in the composition and velocity of the ejecta, and $\sim20\%$ uncertainty in the $ν_e$ and $\barν_e$ luminosities and energies. The most significant disagreement found between M1 and Monte-Carlo results is a factor of $\sim 2$ difference in the luminosity of heavy-lepton neutrinos.
description: 9p, 4 figures, 1 table; version accepted by ApJL
Additional file 2 of An economic evaluation of a specialist preventive care clinician in a community mental health service: a randomised controlled trial
Creators: name: Fehily, Caitlin
name: Ling, Rod
name: Searles, Andrew
name: Bartlem, Kate
name: Wiggers, John
name: Hodder, Rebecca
name: Wilson, Andrew
name: Colyvas, Kim
name: Bowman, Jenny
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: Cancer
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 2. Populated CHEERS checklist.
Factors associated with the labour force participation of prime-age Indigenous Australians
Creators: name: Dinku, Yonatan
name: Hunt, Janet
Publisher: name: Canberra, ACT: Australian National University, Centre for Aboriginal Economic Policy Research (CAEPR)
Year: 2019
Subjects: subject: Indigenous
subject: prime-age
subject: labour force
subject: Australia
subject: Aboriginal and Torres Strait Islander peoples

description: There is a high prevalence of disengagement from the labour market among prime-age Indigenous Australians (aged 25-54 years). People in this demographic group are at their most productive in terms of working lives. They have generally finished their schooling and are well before their retirement, and their absence from the labour market has important implications. However, little is known about the underlying factors influencing their decision to participate or not in the mainstream labour market. Drawing on data from a relatively recent nationally representative survey, this study finds that disability, education and history of incarceration are the three most important driving factors for both male and female labour force participation. Education and incarceration experiences have greater associations with female labour force participation, whereas disability has a greater association with male labour force participation. We also find that the factors affecting the labour force participation of people in their prime-working lives are largely different from those affecting the labour force participation of people entering the labour market (aged 15-24 years) and those approaching retirement (aged 55-64 years).
Stability boundaries, percolation threshold, and two phase coexistence for polydisperse fluids of adhesive colloidal particles
Creators: name: Fantoni, Riccardo
name: Gazzillo, Domenico
name: Giacometti, Achille
Publisher: name: arXiv
Year: 2004
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the polydisperse Baxter model of sticky hard spheres (SHS) in the modified Mean Spherical Approximation (mMSA). This closure is known to be the zero-order approximation (C0) of the Percus-Yevick (PY) closure in a density expansion. The simplicity of the closure allows a full analytical study of the model. In particular we study stability boundaries, the percolation threshold, and the gas-liquid coexistence curves. Various possible sub-cases of the model are treated in details. Although the detailed behavior depends upon the particularly chosen case, we find that, in general, polydispersity inhibits instabilities, increases the extent of the non percolating phase, and diminishes the size of the gas-liquid coexistence region. We also consider the first-order improvement of the mMSA (C0) closure (C1) and compare the percolation and gas-liquid boundaries for the one-component system with recent Monte Carlo simulations. Our results provide a qualitative understanding of the effect of polydispersity on SHS models and are expected to shed new light on the applicability of SHS models for colloidal mixtures.
description: 37 pages, 7 figures, 1 table
Przestrzenne zróżnicowanie cen ziemi rolniczej na poziomie województw w Polsce
Creators: name: Pietrzykowski, Robert
name: Pietrzykowski, Robert
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Demand and Price Analysis
subject: Land Economics/Use
subject: Research Methods/ Statistical Methods
subject: spatial analysis
subject: Moran coefficient
subject: land price
subject: / analiza przestrzenna
subject: współczynnik Morana
subject: cena ziemi

description: Changes of land prices in years 2004 through 2009 are presented. The aim of this article was to study the relations between the location of farm and the land price. The scope of the study includes 16 voivodeships of Poland. The study applies to farms with area of 50 hectare and more. Moran coefficients were used in the statistical analysis. / Synopsis. W pracy przedstawiono zmiany cen gruntów rolnych na poziomie województw w okresie od 2004 do 2009 roku. Przedstawiono również zmiany w koncentracji ziemi rolniczej na przykładzie gospodarstw powyżej 50 ha. Celem pracy było zbadanie wpływu cen w województwach sąsiadujących na cenę gruntów rolnych w danym województwie i prezentacja zmian cen gruntów w Polsce. W pracy wykorzystano współczynniki przestrzenne Morana.
The application of income support obligations and penalties to remote Indigenous Australians, 2013–2018
Creators: name: Fowkes, Lisa
Publisher: name: Canberra, ACT: Australian National University, Centre for Aboriginal Economic Policy Research (CAEPR)
Year: 2019
Subjects: subject: Income support
subject: employment
subject: Remote Jobs and Communities Program
subject: Community Development Program
subject: employment services
subject: conditionality
subject: Aboriginal and Torres Strait Islander peoples

description: This paper analyses the pattern of income support penalties applied to people participating in remote employment services over the period from 1 July 2013 to 30 June 2018. Between 30,000 and 37,000 unemployed Australians were participating in these services at any given time over this period. Over 80% were identified as Indigenous. While remote program participants were covered by the same social security rules as those in non-remote areas, the programs that they participated in imposed different obligations on them and included different incentives for providers. These differences were justified by government officials on the basis that they were tailored to the unique circumstances of remote communities. The paper describes how the combination of more stringent obligations and inadequate protections for vulnerable people have contributed to a substantial escalation in penalties. Despite this, there is no sign that the participation of remote Indigenous people in employment services is increasing. In fact, there is evidence that many are rejecting the program.
title: Combined effects of viscous dissipation and Brownian motion on temperature distribution and heat transfer of Al2O3/water nanofluid flow through a porous medium
Creators: name: Bouazizi,  Lotfi
name:  Turki , Said
Publisher: name: Peter the Great St. Petersburg Polytechnic University
Year: 2021
Subjects: nanofluids
viscous dissipation
Brownian motion
temperature distribution
heat transfer
thermal energy.

description: The combined effect of a viscous dissipation and Brownian motion, especially on temperature distribution and heat transfer, has been carried out. Results show that there is an increase in temperature values throughout the field with the increase in the Eckert number Ec, this can be proven by the additional source of thermal energy (heat) provided by viscous dissipation in the porous medium, but it makes a decrease in heat transfer. For a lower Darcy number Da, the Brownian motion effect is negligible. Without Brownian motion, the averaged Nusselt number reveals an increase when nanoparticles volume fraction φ increases. When taking into account the Brownian motion, an increase in the averaged Nusselt number is observed until φ=0.04, after that it decreases. This decrease becomes more important by increasing Ec.
Additional file 3 of An economic evaluation of a specialist preventive care clinician in a community mental health service: a randomised controlled trial
Creators: name: Fehily, Caitlin
name: Ling, Rod
name: Searles, Andrew
name: Bartlem, Kate
name: Wiggers, John
name: Hodder, Rebecca
name: Wilson, Andrew
name: Colyvas, Kim
name: Bowman, Jenny
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: Cancer
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 3. Search strategy for literature review.
Polski handel zagraniczny cukrem po akcesji Polski do Unii Europejskiej i reformie rynku cukru
Creators: name: Smoliński, Paweł
name: Smoliński, Paweł
Publisher: name: Unknown
Year: 2011
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: International Relations/Trade
subject: sugar exports
subject: sugar imports
subject: rules of external trade in sugar
subject: influence of accession to the EU on Polish foreign trade in sugar
subject: Agricultural Market Agency (AMA)
subject: / eksport cukru
subject: import cukru
subject: zasady handlu zagranicznego cukrem
subject: wpływ akcesji do UE na polski handel zagraniczny cukrem
subject: Agencja Rynku Rolnego (ARR)

description: Polish accession to the EU influenced in a positive way the results of Polish foreign trade in sugar, much increasing in years 2005-2006 the favourable balance of trade in sugar noted before the integration with the EU. That was notably a result of applied export refunds, paid by the Agricultural Market Agency from the EU budget. However, since 2009 Poland has had an adverse balance of trade in sugar because the national sugar production quota does not meet the domestic demand. / Synopsis. Akcesja do UE wpłynęła bardzo korzystnie na wyniki polskiego handlu zagranicznego cukrem, znacznie poprawiając w latach 2005-2006 dodatnie saldo obrotów cukrem występujące przed integracją z UE. Było to w dużej mierze rezultatem stosowania refundacji wywozowych, wypłacanych przez Agencję Rynku Rolnego z budżetu UE. Jednakże od 2009 r. Polska ma ujemny bilans w handlu cukrem, gdyż krajowa produkcja kwotowa cukru nie zaspokaja popytu wewnętrznego.