cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Structural record of an oblique impact: the central uplift of the Upheaval Dome impact structure, Utah, USA
Creators: name: Scherler, Dirk
name: Kenkmann, Thomas
name: Jahn, Andreas
Publisher: name: Universitätsverlag Göttingen
Year: 2006

description: Most asteroids strike their target at an oblique angle (Pierazzo & Melosh 2000). The common criterion for identifying craters formed by an oblique impact is the pattern of the ejecta blanket. On Earth, however, ejecta blankets are rarely preserved and morphological, structural, geophysical as well as depositional criteria were used to infer an oblique impact (e.g. for Chicxulub, Schultz & D’Hondt 1996, Ries- Steinheim, Stöffler et al. 2003, Mjölnir & Tsikalas 2005). However, the significance of such criteria in predicting impact angle or direction is a matter of debate (c.f. Schultz & Anderson, 1996, Ekholm & Melosh 2001). Particularly, it is not yet known whether there is an influence of the impact angle on the displacement field during the collapse of large transient cavities, and thus, the final crater. For most impact angles, the shape of the final crater is controlled by its size. At a critical diameter (ca. 2–5 km on Earth), simple bowl shaped craters are getting gravitationally unstable and collapse to form complex craters, with a flat floor and a terraced rim (Melosh 1989). During collapse, the crater floor rises to form a central uplift, that may or may not be visible as a central peak, or, when the peak in turn collapses, as a peak ring at yet larger diameters.
description: conference
S.M.AR.T. ecosystems: a geographic perspective of non-government organizations in Belize
Creators: name: King, Steven
Publisher: name: No Publisher Supplied
Year: 2021

description: Non-Government Organizations (NGOs) are growing in numbers and impact in the developing world, but questions about their geography remain unanswered. Scholars and practitioners have theorized various push and pull factors that determine why or how NGOs go where they do and their geographic consequences, but the complexity of this phenomenon is still poorly understood. Research on how NGOs understand, perceive, identify, and respond to “needs” is large and diverse, while research of ‘why’ and ‘where’ they work remain limited. Furthermore, there is a debate that NGOs can cause more harm than good in the diverse geographies where they operate. Using the context of Belize, this research aims to build upon J. Brass’ (2016) theoretical framework to explain the relationship between the “mission” of NGOs and their geography. Through a literature review and discourse analysis I present a theoretical framework of ‘NGO ecosystems’ to highlight geographic relationships for NGO employees, donors, and volunteers. I proposed a new typology for NGOs based on fieldwork accomplished in Belize that is mission centric. The categories proposed of NGOs are described as Sustainable Transformation Groups, Marginalized People and Places Groups, Aggressive Response Groups, and Technology/Niche Groups. This new typology reflects a multifaceted explanation for what NGOs do, how they might do it, implications for where (regionally and globally) they might go, and why they do what they do in the first place. In light of this extraordinary, geography-shaping power of NGOs, the framework and typology suggested in this thesis hopes to encourage more collaborative decision-making, network strengthening, and a more productive engagement for NGO employees, donors, and volunteers in Belize and beyond.
Grain coarsening and hydrothermal alteration in metacarbonates of the Damara Orogen, Namibia
Creators: name: Gross, Christian J.
Publisher: name: Universitätsverlag Göttingen
Year: 2006

description: Grain coarsening is a process that occurs in a wide variety of rock types. The application of grain growth theory to natural geologic materials has its beginnings in the theoretical foundations of the metallurgical and material sciences. Two types of grain growth can be statistically defined: 1) normal grain growth describing a uniform grain structure and 2) abnormal grain growth, where some grains grow more rapidly in size at the expense of matrix grains, thus creating a bimodal grain size distribution. This study aims to understand the grain coarsening phenomenon in metacarbonate rocks, to determine the mechanisms involved and to elucidate the role of fluids (e.g. hydrothermal alteration). Metacarbonate units exhibiting coarsely crystalline fabrics, representing abnormal grain growth, and hydrothermal alteration have been investigated from two major geologic formations of the Damara Orogen (Namibia)...
description: conference
Haplodrassus signifer
Creators: name: Isaia, Marco
name: Paschetta, Mauro
name: Chiarle, Alberto
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Gnaphosidae
Haplodrassus
Haplodrassus signifer

description: Haplodrassus signifer (C. L. Koch, 1839)
NEW DATA. — Valdieri: Lago Sottano della Sella, Alpine grassland, close to lake shore, 1882 m, 17.VIII.2010, 1♀; Rifugio Questa-Lago delle Portette, Alpine scree, 2300 m, 11-12.VII.2009, 1♀; southern slope of Monte Bourel, Vallone della Meris, Sant’Anna di Valdieri, Alpine prairies with rocky debris, 1500-2300 m, 1-31.VIII.2011 (pitfall traps), 1♂; Vernante: Palanfrè, Gias della Luia, Alpine pasture, 1600 m, 3.VII.2010, 5♂, 5♀, leg. B. Rizzioli
 LITERATURE. — Calloni (1889); Paschetta et al. (2013).
CHOROTYPE. — OLA.
MACROHABITAT. — Alpine pastures, Alpine prairies, rocky lands, not specified.
description: Published as part of Isaia, Marco, Paschetta, Mauro & Chiarle, Alberto, 2015, Annotated checklist of the spiders (Arachnida, Araneae) of the Site of Community Importance and Special Area of Conservation " Alpi Marittime " (NW Italy), pp. 57-114 in Zoosystema 37 (1) on page 96, DOI: 10.5252/z2015n1a4, http://zenodo.org/record/4577680
Three-phase fluid coexistence in heterogenous slits
Creators: name: Láska, M.
name: Parry, A. O.
name: Malijevský, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the competition between local (bridging) and global condensation of fluid in a chemically heterogeneous capillary slit made from two parallel adjacent walls each patterned with a single stripe. Using a mesoscopic modified Kelvin equation, which determines the shape of the menisci pinned at the stripe edges in the bridge phase, we determine the conditions under which the local bridging transition precedes capillary condensation as the pressure (or chemical potential) is increased. Provided the contact angle of the stripe is less than that of the outer wall we show that triple points, where evaporated, locally condensed and globally condensed states all coexist are possible depending on the value of the aspect ratio $a=L/H$ where $H$ is the stripe width and $L$ the wall separation. In particular, for a capillary made from completely dry walls patterned with completely wet stripes the condition for the triple point occurs when the aspect ratio takes its maximum possible value $8/π$. These predictions are tested using a fully microscopic classical Density Functional Theory and shown to be remarkably accurate even for molecularly narrow slits. The qualitative differences with local and global condensation in heterogeneous cylindrical pores are also highlighted.
description: 5 pages
title: Engagement of Learners Undertaking Massive Open Online Courses and the Impact of Design
Creators: name: Gore, Hannah
Publisher: name: The Open University
Year: 2018

description: This thesis investigates the low levels of student engagement after registering to study for a massive open online course. To do this, it adopts a mixed methods approach (Gray, 2013) by analysing two large-scale surveys (120,842 and 1,800 responses respectively) and interviewing 12 learners. This was possible because access was given to 76 presentations of 19 MOOCs produced by The Open University on the FutureLearn platform. The aim of this thesis was to answer two research questions. Why do learners engage in massive open online courses (MOOCs), and what elements of the design of MOOCS encourage learner engagement? The analysis of 120,842 survey responses illustrated that learners across all the MOOCs investigated in this study were very focussed on personal interest, regardless of subject. Courses with subject material which focussed upon the future use of technology and educational technology were embarked upon for professional purposes secondary to personal interest. Learners interviewed who had not completed the MOOCs did not see themselves as disengaged but as having achieved their study goals. Learning designs of 19 MOOCs with learner activity and dashboard data from 800,038 enrolments and 425,792 learners were analysed with respect to the second research question. The activity data from 425,792 learners demonstrated they were more likely to engage with comments and to like comments on steps such as articles and videos than on discussion steps. Findings from the performance dashboard data (for example enrolment numbers) and learner activity data, coupled with learning designs, were analysed. From this, high-engagement steps (‘Super Steps’) were identified and isolated for analysis. This study discovered that learners preferred to engage with steps that the learning design framework classified as communicative or assimilative. Learners were more likely to engage with steps that posed questions within their titles, a previously unconsidered element within learning design.
Structural contacts in the Late Paleozoic accretionary wedge of central Chile and their tectonic significance for the evolution of the accretionary complex
Creators: name: Richter, Peter P.
name: Ring, Uwe
name: Willner, Arne P.
name: Leiss, Bernd
Publisher: name: Universitätsverlag Göttingen
Year: 2006

description: The Chilean accretionary wedge is part of a Late Paleozoic subduction complex that developed during subduction of the Pacific plate underneath South America. The wedge is commonly subdivided into a structurally lower Western Series and an upper Eastern Series. Understanding the contact between both series has been a long standing problem and is fundamental for the understanding of the evolution of the wedge system. We show the progressive development of structures and finite strain from the least-deformed rocks in the eastern part of the Eastern Series of the accretionary wedge to higher grade schist of the Western Series at the Pacific coast...
description: conference
THE EFFECTS OF X-RAY RADIATION ON LARVAE OF THE CARIBBEAN FRUIT FLY, Anastrepha suspensa (Loew)
Creators: name: Davis, D.F.
name: Weidhaas, D.E.
name: Cox, J.D.
name: Davis, D.F.
name: Weidhaas, D.E.
name: Cox, J.D.
Publisher: name: Unknown
Year: 1990
Subjects: Crop Production/Industries
Research and Development/Tech Change/Emerging Technologies

description: EPA cancellation of the use of the fumigant EDB gave rise to research of alternative methods for disinfestation of agricultural commodities susceptible to infestation by various species of fruit flies. One potential alternative is X-ray radiation. Three series of tests were conducted with xMarsh' white grapefruit artificially infested with larvae of the Caribbean fruit fly, Anastrepha suspensa (Loew), and exposed to 5, 10, 20, 30 and 35 krads of X-ray radiation. Percent reduction of insects ranged from 82.8-100, with Probit 9 mortality estimated above 35 krad. No adult flies emerged from larvae exposed to any level of X-ray tested. The rate of deterioration increased in fruit exposed to 30 and 35 krad.
Investigation of Fluidic Devices for Mixing Enhancement for the Shockless Explosion Combustion Process
Creators: name: Bobusch, Bernhard
name: Berndt, Phillip
name: Paschereit, Christian Oliver
name: Klein, Rupert
Publisher: name: Technische Universität Berlin
Year: 2014
Subjects: subject: mixing
subject: constant volume combustion
subject: shockless explosion combustion
subject: numerical combustion

description: Fuel-air mixing is a crucial process in low emission combustion systems. A higher mixing quality leads to lower emissions and higher combustion efficiencies. Especially for the innovative constant volume combustion processes "Shockless Explosion Combustion" (SEC) the mixing of fuel and air is an important parameter, since the whole combustion process is triggered and controlled via the equivalence ratio. To enhance the passive scalar mixing, fluidic oscillators are investigated and compared to the standard jet in crossflow fuel injection configurations. The mixing quality of the different geometries is assessed in a water test-rig by making use of planar laser induced fluorescence. After a short introduction to the SEC-process, the test-rig and the different injection configurations are introduced. To verify whether the mixing quality is sufficient for the SEC-process, a numerical investigation using the experimentally determined unmixedness is conducted. It is not only shown that the fluidic oscillators are able to enhance the mixing quality and create an independence of the mixing quality from the jet in crossflow momentum, but it is also verified in a first numerical calculation that the achieved mixing quality might be good enough for the Shockless Explosion Combustion process.
Gypsum veins as hydrofractures in layered and faulted mudstones: implications for reservoir permeability
Creators: name: Philipp, Sonja L.
name: Gudmundsson, Agust
Publisher: name: Universitätsverlag Göttingen
Year: 2006

description: Mineral veins form when water solutions passing through fluid-transporting fractures gradually seal the fractures as minerals precipitate. Many mineral veins are hydrofractures, that is, fractures generated at least partly by an internal fluid pressure. For most mineral veins, the fluid generating the hydrofracture is geothermal water. Other hydrofractures include fractures generated by magma (dykes, sills, inclined sheets), oil, gas and groundwater (many joints), as well as manmade hydraulic fractures in petroleum engineering. Hydrofractures are primarily extension fractures (Gudmundsson et al. 2002). The formation of hydrofractures is one of the two basic mechanisms for the generation and maintenance of permeability, particularly in fluid-filled heterogeneous reservoirs such as those commonly associated with petroleum, groundwater, volcanic and geothermal fields. The other, and better-known, mechanism for permeability development is the formation of shear fractures, that is, faults. The permeability development in fractured reservoirs, such as those for groundwater, geothermal water and petroleum, depends on fluid overpressure and transport in hydrofractures (Aguilera 1995). It has been proposed that a high fluid pressure in a reservoir can create high temporary permeability through hydrofracturing (Aguilera 1995; Gudmundsson et al. 2002). This hydrofracturing may result in mineral vein networks. Such palaeohydrofractures give information about past fluid flow and flow networks. Studying mineral veins is thus important for understanding fluid and mineral transport in rocks and reservoirs...
description: conference
Nigerian, Swedish and Chilean Pension Systems: a Comparative Analysis of Schemes and Reforms
Creators: name: Yusuf, Isah Maikudi
name: Yusuf, Isah Maikudi
Publisher: name: Unknown
Year: 2015
Subjects: subject: Public Economics
subject: Demographic crisis
subject: Pension reform
subject: Public policy

description: The contemporary global debate about pension reforms is based mainly on the concern for the long-term financial viability of existing government operated pension systems. Against this background, Nigeria, Sweden and Chile responded to the challenges posed by their pension systems by initiating reforms. While Chile and Nigeria completely moved from a defined benefit system to a defined contribution system, Sweden chose a “hybrid”, a model which has received wide acclaim by social security experts. Given the interest pension systems and reforms have generated globally as well as in Nigeria, a cross-country comparative analysis is imperative to bring into sharp focus the specific differences and similarities in these three pension reforms if any. Thus, this study comparatively evaluates the Nigerian, Swedish and Chilean pension reforms as a means of enriching ongoing global debate and cross country comparisons on pension reform experiences. Guided by a three dimensional classification framework which describes the options available in reforming a pension system, three core benchmarks were used for this comparative analysis. These are the objective(s) of reform, the model of reform adopted, and the likely outcomes of reform vis-à-vis meeting the redistribution, saving and insurance functions of a pension scheme. Results indicate that the Chilean and Nigerian models are less likely to achieve the redistribution and insurance functions of a pension scheme while the Swedish model is better placed to achieve all the three key functions of a pension system. It is recommended that opportunities for achieving the redistribution and social insurance functions of a pension scheme should be explored in subsequent amendments to the pension legislation.
Constraints on the dark energy from holography
Creators: name: Wang, Bin
name: Abdalla, Elcio
name: Su, Ru-Keng
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Using the holographic principle we constrained the Friedmann equation, modified by brane-cosmology inspired terms which accommodate dark energy contributions in the context of extra dimensions.
description: Revised version, accepted for publication in Phys. Lett. B
Holocene shield volcanoes in Iceland
Creators: name: Andrew, Ruth
name: Gudmundsson, Agust
Publisher: name: Universitätsverlag Göttingen
Year: 2006

description: Holocene shield volcanoes (lava shields) are common in Iceland, but they are restricted in space and time. As regards space, most of the shield volcanoes in Iceland occur within two bands in the West and North Volcanic Zones. There are no shields in the East Volcanic Zone apart from the island of Surtsey. The shields are mostly at the margins of or outside the volcanic systems. As regards time, many Holocene shield volcanoes formed some 5000–10000 years ago during early postglacial time. Apart from the shield on top of the island of Surtsey, there are no known shields in Iceland younger than about 3500B.P....
description: conference
Emergence of thermodynamic behavior within composite quantum systems
Creators: name: Mahler, Guenter
name: Gemmer, Jochen
name: Michel, Mathias
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Entanglement within a given device provides a potential resource for quantum information processing. Entanglement between system and environment leads to decoherence (thus suppressing non-classical features within the system) but also opens up a route to robust and universal control. The latter is related to thermodynamic equilibrium, a generic behavior of bi-partite quantum systems. Fingerprints of this equilibrium behavior (including relaxation and stability) show up already far from the thermodynamic limit, where a complete solution of the underlying Schroedinger dynamics of the total system is still feasible.
description: 12 pages, 12 figures, accepted for publication in Physica E
Atom-Photon Spin-Exchange Collisions Mediated by Rydberg Dressing
Creators: name: Yang, Fan
name: Liu, Yong-Chun
name: You, Li
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We show that photons propagating through a Rydberg-dressed atomic ensemble can exchange its spin state with a single atom. Such a spin-exchange collision exhibits both dissipative and coherent features, depending on the interaction strength. For strong interaction, the collision dissipatively drives the system into an entangled dark state of the photon with an atom. In the weak interaction regime, the scattering coherently flips the spin of a single photon in the multi-photon input pulse, demonstrating a generic single-photon subtracting process. An analytic analysis of this process reveals a universal trade-off between efficiency and purity of the extracted photon, which applies to a wide class of single-photon subtractors. We show that such a trade-off can be optimized by adjusting the scattering rate under a novel phase-matching condition.
description: 6+6 pages, 4+3 figures
Potential Science for the OASIS Integral Field Spectrograph with Laser Guide Star Adaptive Optics
Creators: name: Morris, S. L.
name: Gerssen, J.
name: Swinbank, M.
name: Wilman, R.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We review the science case for the Laser Guide Star system being built for the William Herschel Telescope (WHT) on La Palma. When used in combination with the NAOMI Adaptive Optics system and the OASIS visible-wavelength Integral Field Spectrograph, we demonstrate that there are substantial, exciting areas of astrophysical research in which the WHT can contribute.
description: 11 pages, 1 colour figure, Submitted to New Astronomy Reviews, Elsevier Science Publishers
Zora nemoralis
Creators: name: Isaia, Marco
name: Paschetta, Mauro
name: Chiarle, Alberto
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Zoridae
Zora
Zora nemoralis

description: Zora nemoralis (Blackwall, 1861)
NEW DATA. — Entracque: Torrente Bousset, Trinità di Entracque, stream bank, among gravels, 1000-1200 m, 9.VIII.2007, 2♂, leg. K. Wolf-Schwenninger & H. Schwenninger; Vernante: Palanfrè, beech forest, 1450 m, 11.VIII.2011, 1♂ (MRSN).
CHOROTYPE. — PAL.
MACROHABITAT. — Broadleaved woods, riparian habitats.
NOTES. — New record for the study area.
description: Published as part of Isaia, Marco, Paschetta, Mauro & Chiarle, Alberto, 2015, Annotated checklist of the spiders (Arachnida, Araneae) of the Site of Community Importance and Special Area of Conservation " Alpi Marittime " (NW Italy), pp. 57-114 in Zoosystema 37 (1) on page 88, DOI: 10.5252/z2015n1a4, http://zenodo.org/record/4577680
PEST MANAGEMENT OF Annona spp. IN FLORIDA AND SOUTH AMERICA
Creators: name: Pena, J.E.
name: Nadel, H.
name: Bustillo, A.
name: Pena, J.E.
name: Nadel, H.
name: Bustillo, A.
Publisher: name: Unknown
Year: 1990
Subjects: Crop Production/Industries
Research and Development/Tech Change/Emerging Technologies

description: The Annona seed borer Bephratelloides spp., (Hymenoptera: Eurvtomidae) and the fruit borer Cerconota anonella Sepp., are the key pests of Annona crops in the Caribbean region and tropical America. Summary information is given on the biology, chemical and biological control of both pest species.
Simulation study on the effects of diffractive collisions on the prediction of the observables in ultra-high-energy cosmic ray experiments
Creators: name: Ohashi, Ken
name: Menjo, Hiroaki
name: Itow, Yoshitaka
name: Sako, Takashi
name: Kasahara, Katsuaki
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The mass composition of ultra-high-energy cosmic rays is important for understanding their origin. Owing to our limited knowledge of the hadronic interaction, the interpretations of the mass composition from observations include several open problems, such as the inconsistent interpretations of $\langle X_{\mathrm{max}}\rangle $ and $\langle X_{\mathrm{max}}^μ\rangle $. Futhermore, the large difference between the predictions exists by the hadronic interaction models. Diffractive collision is one of the proposed sources of the uncertainty. In this paper, we discuss the effect of the detailed characteristics of diffractive collisions to the observables of ultra-high-energy cosmic-ray experiments, focusing on three detailed characteristics. These are the cross-sectional fractions of different collision types, diffractive-mass spectrum, and diffractive-mass-dependent particle productions from the diffractive dissociation system. We demonstrated that the current level of the uncertainty in the cross-sectional fraction can affect 8.9 $\mathrm{g/cm^2}$ of $\langle X_{\mathrm{max}}\rangle $ and 9.4 $\mathrm{g/cm^2}$ of $\langle X_{\mathrm{max}}^μ\rangle $, whereas the other details of the diffractive collisions exhibit relatively minor effects.
description: 23 pages, 12 figures,9 tables. Detail discussions about the number of muons are only shown in version 1. References are corrected in version 3
Average-value modeling of brushless dc motors with 120-degree voltage source inverter
Creators: name: Han, Qiang
Publisher: name: University of British Columbia
Year: 2011

description: Average-value modeling is indispensable for large and small-signal analysis of electromechanical systems with power electronic drives. Analytical development of accurate average-value models for the brushless dc motor with 120-degree inverter systems is particularly challenging due to the complicated commutation-conduction patterns of the stator currents. This thesis is comprised of several manuscripts that present the research results in this area. First manuscript compares the brushless dc motors with 180 and 120-degree inverters, and the average-value modeling of these systems. In 180-degree inverters, each phase is always connected to the dc source and the average voltages are readily known. In 120-degree inverters, each phase is open-circuited for a fraction of a revolution resulting in discontinuous phase current and different commutation-conduction patterns, which makes it challenging to obtain an accurate average-value model. The second manuscript extends a recently proposed parametric approach to numerical averaging of power electronic converters to construct an average-value model for a brushless dc motor with a 120-degree inverter system. In the proposed model, a proper qd model of the permanent magnet synchronous machine is used, and the inverter dynamics are represented by nonlinear algebraic functions that relate the averaged terminal voltages and currents of the inverter switching-cell. These parametric functions are obtained numerically using the detailed model. The third manuscript presents a different parametric approach to construct a new average-value model that possesses greater accuracy. This new model also uses proper qd model of the permanent magnet synchronous machine but is based on appropriately averaging the transformed stator voltages in both commutation and conduction subintervals. In this approach, the required commutation angle is represented as a nonlinear algebraic function, which is obtained from the detailed simulation. The conducted case studies are based on two typical industrial motors with different electrical time constants, and include hardware measurements, detailed simulation, and comparison with the best-known-to-day published average-value model. The proposed models are shown to be more accurate in a large- and small-signal sense than the previous published model and applicable to motors with a large range of parameters including electrical time constant.
Oblivious points on translation surfaces
Creators: name: Adelstein, Ian
name: Desai, Krish
name: Ji, Anthony
name: Zdeblick, Grace
Publisher: name: arXiv
Year: 2020
Subjects: subject: Geometric Topology (math.GT)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics

description: An oblivious point on a translation surface is a point with no closed geodesic passing through it. Nguyen, Pan, and Su (2017) showed that there are at most finitely many oblivious points on any given translation surface and constructed a family of surfaces with exactly one oblivious point. We construct new families of translation surfaces with arbitrarily many oblivious points and prove that there is a translation surface in every genus $\ge3$ with an oblivious point.
description: This version has been revised for publication
Neriene clathrata
Creators: name: Isaia, Marco
name: Paschetta, Mauro
name: Chiarle, Alberto
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Linyphiidae
Neriene
Neriene clathrata

description: Neriene clathrata (Sundevall, 1830)
NEW DATA. — Entracque: Tetti Violin, grassland with bushes, 900-1100 m, 4.VII.2012, 1♂ (collected within the PIT Summer School 2012).
CHOROTYPE. — OLA.
MACROHABITAT. — Shrublands.
NOTES. — New record for the study area.
description: Published as part of Isaia, Marco, Paschetta, Mauro & Chiarle, Alberto, 2015, Annotated checklist of the spiders (Arachnida, Araneae) of the Site of Community Importance and Special Area of Conservation " Alpi Marittime " (NW Italy), pp. 57-114 in Zoosystema 37 (1) on page 71, DOI: 10.5252/z2015n1a4, http://zenodo.org/record/4577680
Microstructures of fibrous halite veins
Creators: name: Hilgers, Christoph
name: Pennock, Gill
name: Schléder, Zsolt
name: Burliga, Stansilaw
name: Urai, Janos L.
Publisher: name: Universitätsverlag Göttingen
Year: 2006

description: Halite veins hosted in clastic sedimentary rocks are frequently observed next to evaporite layers. Their microstructure can be enhanced by gamma irradiation and etching, which can be used to infer the deformation mechanism of halite (e.g. Howard & Kerr 1960, Schleder & Urai 2005). In this study, we present results from gammadecorated vein microstructures of fibrous halite veins hosted in claystone.
description: conference
A PRELIMINARY INVESTIGATION INTO THE ADAPTIVE SIGNIFICANCE OF AVIRULENCE GENES IN THE BACTERIUM Xanthomonas campestris pv. vesicatoria
Creators: name: O'Garro, L.W.
name: O'Garro, L.W.
Publisher: name: Unknown
Year: 1990
Subjects: Crop Production/Industries
Research and Development/Tech Change/Emerging Technologies

description: In plant-pathogen interaction, the hypersensitive response is the host's resistance reponse which prevents pathogen spread and multiplication. This response results from the interaction between a pathogen with a dominant avirulence gene and a host with a specific complementary resistance gene. The adaptive significance of the pathogen avirulence gene to the pathogen in this host-pathogen relationship is not evident. This research presents preliminary data on the adaptive significance of avirulence genes in Xanthomonas campestris pv. vesicatoria.
Tensile performance of headed anchors in steel fiber reinforced and conventional concrete in uncracked and cracked state
Creators: name: Spyridis, Panagiotis
name: Mellios, Nikolaos
Publisher: name: TU Dortmund
Year: 2022
Subjects: subject: Steel fiber reinforcement
subject: Fiber reinforced concrete
subject: Fastening technology
subject: Anchorage to concrete
subject: Concrete breakout failure
subject: Concrete cracking
subject: 690
subject: 720

description: Steel fiber reinforced concrete (SFRC) is currently the material of choice for a broad range of structural components. Through the use of SFRC, the entire, or a large portion of, conventional rebar reinforcement can be replaced, in order to improve the load-bearing behavior but also the serviceability and durability characteristics of engineering structures. The use of fiber reinforcement therefore plays a vital role in acute current and future construction industry objectives, these being a simultaneous increase in the service life of structures and the reduction of their environmental impact, in addition to resilience to extreme loads and environmental actions. Next to the extended use of SFRC, modern construction relies heavily on structural connections and assembly technologies, typically by use of bolt-type cast-in and post-installed concrete anchors. This paper addresses the influence of fiber reinforcement on the structural performance of such anchors in SFRC and, particularly, the load bearing behavior of single headed anchors under axial static loads in uncracked and cracked concrete. Along with a presentation of background information on previous studies of SFRC with a focus on anchor concrete breakout failure, the experimental investigations are described, and their results are presented and elaborated on by consideration of various research parameters. A comparison with current design approaches is also provided. The conclusions are deemed useful for structural engineering research and practice.
description: Materials;15(5)
Accretion of stars on to a massive black hole: A realistic diffusion model and numerical studies
Creators: name: Amaro-Seoane, Pau
name: Freitag, Marc
name: Spurzem, Rainer
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: To be presented is a study of the secular evolution of a spherical stellar system with a central star-accreting black hole (BH) using the anisotropic gaseous model. This method solves numerically moment equations of the full Fokker-Planck equation, with Boltzmann-Vlasov terms on the left- and collisional terms on the right-hand sides. We study the growth of the central BH due to star accretion at its tidal radius and the feedback of this process on to the core collapse as well as the post-collapse evolution of the surrounding stellar cluster in a self-consistent manner. Diffusion in velocity space into the loss-cone is approximated by a simple model. The results show that the self-regulated growth of the BH reaches a certain fraction of the total mass cluster and agree with other methods. Our approach is much faster than competing ones (Monte Carlo, $N$--body) and provides detailed informations about the time and space dependent evolution of all relevant properties of the system. In this work we present the method and study simple models (equal stellar masses, no stellar evolution or collisions). Nonetheless, a generalisation to include such effects is conceptually simple and under way.
description: Accepted for publication. Minor changes. Two appendices added
title: Re-reading the Gospel of Luke today : from a first century urban writing site to a twentieth century urban reading site
Creators: name: Curtis, Andrew
Publisher: name: The Open University
Year: 1999

description: Postmodern theorising has presented the reader as an active agent in the process of the interpretation of texts. Sociology of knowledge approaches have identified both the author and the reader of texts as socially embodied within a context. This study presents a unique collection of readings in the Gospel of Luke by ordinary real-readers from a disadvantaged and/or marginalised social and ecclesial location, within an affluent first world context. These readings, transcribed in Volume Two, present empirical reader research for analysis, through dialogue and conversation with professional readings in the Gospel of Luke, in order to assess what contribution the former might make to contemporary hermeneutics. Identifying contemporary human experience of ordinary real-readers as the starting point in their reading of the Lukan text, the study illustrates how these readings act as a useful tool of suspicion in conversation with readings that claim to be objective and value-neutral, and how they facilitate critical reflection on the ideological and theological commitments of the dominant classes in society and church. The value and legitimacy of the readings of ordinary real-readers is discussed, and how their social and ecclesial marginalisation and disadvantage provides a nontotalising presence in biblical interpretation, a presence that guards against the claims of permanence made by those in the academic and ecclesial world. Identification of contemporary human experience as inevitably influencing the process of interpretation leads to a consideration of the place of the historical critical paradigm in biblical studies. The value and legitimacy of ordinary real readers as active agents in the process of interpretation, and the contribution they make to contemporary hermeneutics, requires a consideration of safeguards against reading anarchy. The process of self and social analysis, and an openness to dialogue and conversation with those outside our own contexts, including our ancestors in the faith, is considered as a way forward, utilising ordinary and professional real-readers in the ongoing process of biblical interpretation.
Exponential discretization of weights of neural network connections in pre-trained neural networks
Creators: name: Malsagov, Magomed Yu.
name: Khayrov, Emil M.
name: Pushkareva, Maria M.
name: Karandashev, Iakov M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Neural and Evolutionary Computing (cs.NE)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: To reduce random access memory (RAM) requirements and to increase speed of recognition algorithms we consider a weight discretization problem for trained neural networks. We show that an exponential discretization is preferable to a linear discretization since it allows one to achieve the same accuracy when the number of bits is 1 or 2 less. The quality of the neural network VGG-16 is already satisfactory (top5 accuracy 69%) in the case of 3 bit exponential discretization. The ResNet50 neural network shows top5 accuracy 84% at 4 bits. Other neural networks perform fairly well at 5 bits (top5 accuracies of Xception, Inception-v3, and MobileNet-v2 top5 were 87%, 90%, and 77%, respectively). At less number of bits, the accuracy decreases rapidly.
description: 10 pages, 8 figures, 4 tables
Green Bank Telescope Measurement of the Systemic Velocity of the Double Pulsar Binary J0737-3039 and Implications for its Formation
Creators: name: Ransom, S. M.
name: Kaspi, V. M.
name: Ramachandran, R.
name: Demorest, P.
name: Backer, D. C.
name: Pfahl, E. D.
name: Ghigo, F. D.
name: Kaplan, D. L.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report on the measurement at 820- and 1400-MHz of orbital modulation of the diffractive scintillation timescale from pulsar A in the double-pulsar system J0737-3039 using the Green Bank Telescope. Fits to this modulation determine the systemic velocity in the plane of the sky to be V_iss ~ 140.9 +/- 6.2 km/s. The parallel and perpendicular components of this velocity with respect to the line of nodes of the pulsar's orbit are V_plane ~ 96.0 +/- 3.7 km/s and V_perp ~ 103.1 +/- 7.7 km/s respectively. The large V_perp implies that pulsar B was born with a kick speed of >~ 100 km/s. Future VLBA determination of the angular proper motion in conjunction with improved V_iss measurements should provide a precise distance to the system. Using high-precision timing data and the V_iss model, we estimate a best-fit orbital inclination of i = 88.7 +/- 0.9 deg.
description: 5 pages, 3 figures. To be submitted to ApJ Letters. A version with higher resolution figures is available upon request from S. Ransom
Active Flow Control by Adaptive Blade Systems in Periodic Unsteady Flow Conditions
Creators: name: Hammer, Steffen
name: Phan, Dat Tien
name: Peter, Julija
name: Werder, Tobias
name: Meyer, Robert
name: Liebich, Robert
name: Thamsen, Paul Uwe
Publisher: name: Technische Universität Berlin
Year: 2014
Subjects: subject: adaptive blade systems
subject: stator cascade
subject: piezoelectric actuator

description: A test stand to investigate the rotor-stator interaction of a compressor stage is presented. This water channel allows to investigate the influence of wake depressions and choking to a stator cascade. Furthermore, adaptive blade systems are presented to affect the operating of stator under periodic unsteady flow conditions. The piezoelectric actuators are one of these adaptive blade systems. These can adjust the profile, so that the stator is more efficient than without.
Demand for Health Insurance: study on the Feasibility of Health Insurance Schemes Community Based Groups in Addis Ababa City
Creators: name: Fekade, Israel
name: Fekade, Israel
Publisher: name: Unknown
Year: 2015
Subjects: subject: Food Security and Poverty
subject: Health Economics and Policy
subject: Health Insurance
subject: Community Based Health
subject: Insurance

description: This study analyzes households’ willingness to pay (WTP) for a new health insurance scheme. The data was collected from a random sample of 210 households from three community-based organizations, locally known as Iddirs. These iddirs were purposively selected from areas that are believed to constitute largely of the penurious and also informally employed groups of the society in the capital Addis Ababa. The study employs a contingent valuation procedure to elicit data on households’ WTP. Both descriptive statistics and econometric estimation techniques are applied to analyze the data. According to the descriptive analyses about 98% of the sample households are willing to pay a certain amount of money to the proposed health insurance scheme. These households on average are willing to pay a premium amounting to 11.56 birr per month to the scheme. However, the likelihood that households are willing to pay and the amount they will pay shows significant variation among the sample households. In this respect, Tobit regression analysis indicated that household income, household size, education, health status and formal employment, all have a positive and significant effect on a household’s WTP. The paper suggests the introduction of health insurance by the Ethiopian government and its provision to the urban poor so as to meet their demand for health insurance.
description: Israel Fekade_Demand for Health Insurance: study on the Feasibility of Health Insurance Schemes Community Based Groups in Addis Ababa City
Ultrafast polarization switching in ferroelectrics
Creators: name: Yukalov, V. I.
name: Yukalova, E. P.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: A method of ultrafast switching of ferroelectric polarization is suggested. The method is based on the interaction of a ferroelectric sample with the feedback field of a resonator in which the sample is inserted. The polarization reversal time can be of order of femtoseconds. The polarization switching produces a coherent electromagnetic pulse.
description: Latex file, 13 pages, 7 figures
Geotechnical characterization of trench- and slope sediments off Southern Chile: preliminary results
Creators: name: Roeser, Georg
name: Behrmann, Jan H.
name: Kopf, Achim
Publisher: name: Universitätsverlag Göttingen
Year: 2006

description: To understand seismogenesis in shallow parts of subduction zones, it is vital to know about strength and frictional parameters of subducted sediment. For this purpose, PETROTEC, as part of the TIPTEQ-Project, gathers geotechnical data for sediments deposited on the incoming Nazca Plate, the trench and the slope off the southern Chilean coast during the last 5 Ma, and whose equivalents are now being underthrusted into the seismogenic zone beneath South America. Material comes from gravity cores collected during R/V SONNE Cruises SO181 (Flüh E. & Grevemeyer I (Editors) 2005), SO102 (Hebbeln D, Wefer G, et al. 1995) and SO156 (Hebbeln D, et al. 2001), as well as from ODP Leg 141 (Behrmann JH, et al. 1992) drill cores. Sediment strength and frictional properties are determined by triaxial testing, ring shear testing and direct shear testing...
description: conference
Agroeca proxima
Creators: name: Isaia, Marco
name: Paschetta, Mauro
name: Chiarle, Alberto
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Liocranidae
Agroeca
Agroeca proxima

description: Agroeca proxima (O. P.-Cambridge, 1870)
 LITERATURE. — Paschetta et al. (2013).
CHOROTYPE. — SIE.
MACROHABITAT. — Alpine pastures.
description: Published as part of Isaia, Marco, Paschetta, Mauro & Chiarle, Alberto, 2015, Annotated checklist of the spiders (Arachnida, Araneae) of the Site of Community Importance and Special Area of Conservation " Alpi Marittime " (NW Italy), pp. 57-114 in Zoosystema 37 (1) on page 93, DOI: 10.5252/z2015n1a4, http://zenodo.org/record/4577680
On the validity of specific rate constants (kSA) in Fe0/H2O systems
Creators: name: Noubactep, Chicgoua
Publisher: name: FID GEO
Year: 2009

description: The validity of the specific reaction rate constants (kSA) in modelling contaminant removal in Fe0/H2O systems is questioned. It is shown that the current kSA-model does not consider the large reactive surface area provided by the in-situ formed oxide film, and thus the adsorptive interactions between contaminants and film materials. Furthermore, neither the dynamic nature of film formation nor the fact that Fe0 surface is shielded by the film is considered. Suggestions are made how the kSA-model could be further developed to possibly meet its original goal.
description: research
An examination of preferences and patterns of skills use in dialectical behavior therapy
Creators: name: King, Alexandra Morgan Mouton
Publisher: name: No Publisher Supplied
Year: 2021

description: Dialectical Behavior Therapy (DBT) has the most empirical support for treating Borderline Personality Disorder (BPD), a disorder of pervasive dysregulation (Panos et al., 2014). A proposed core mechanism of the treatment is the teaching and generalization of skills for increasing regulation across domains (Linehan, 1993). Studies have examined broad indicators of skills use through retrospective self-report measures, but few have recorded clients’ patterns of skills use day-to-day. This study assessed reported skills use by n= 73 adult DBT clients from around the United States each night for three weeks using a digital diary. This study aimed to: 1) examine how baseline characteristics (e.g., demographics, psychopathology severity) related to frequency of skills use, 2) test how frequency of skills use related to perceived effectiveness, and 3) evaluate if the skill modules were differentially related to effectiveness ratings. It was expected that clients with higher functioning and lower problem severity would report more frequent skills use, and that higher self-efficacy and lower neuroticism would also relate to more frequent skills use. Results showed mixed support for the hypotheses. More frequent use of skills was associated with full-time employment, higher self-efficacy scores, lower neuroticism scores, and higher anger scores. The findings from this study indicate that the factors that relate to how DBT clients use skills in their daily lives outside of treatment may be more complex than expected, and further exploration is needed to determine targets that can increase skills use and improve treatment outcomes.