julilili42/papers huggingface dataset:
P1GS.12 - Crystal Structure and CO2 Sensing Properties of Rare-earth oxycarbonates
2018-01-01

Rare-earth oxycarbonates Ln 2 O 2 CO 3 (Ln = rare-earth element) are promising materials for chemoresistive CO 2 gas sensors.The previous works singled out monoclinic La 2 O 2 CO 3 as the best performing member of this family of materials.However, the monoclinic structure is metastable and could be transformed into the hexagonal phase.To date there is no clear evidence about the sensing properties of hexagonal structure.In this work we are attempting to study the issues of thermal stability and CO 2 sensing performance for both structure.To do so, we synthesized monoclinic and hexagonal La 2 O 2 CO 3 by using two different preparation routes.Our investigations are indicating that both structures are sensitive to CO 2 gas to the same degree, but the resistivity of the hexagonal La 2 O 2 CO 3 is higher and the monoclinic structure may transform also under typical measurement conditions at least partially into the hexagonal structure which significantly influences the electrical properties and thereby the characteristics of the sensor.
Ayşe Gürsan-Salzmann, The New Chronology of the Bronze Age Settlement of Tepe Hissar, Iran. University Museum Monographs 142 (University of Pennsylvania Museum of Archaeology and Anthropology, University of Pennsylvania Press, Philadelphia 2016)
2018-01-01

Estella Weiss-Krejci, Barbara Horejs Editorial Artikel / Articles Peter Trebsche Der Siedlungsplan als archÃ¤ologisches Palimpest. Eine Methode zur Datierung von Pfostenbauten in mehrperiodigen Siedlungen Michael Brandl, Christoph Hauzenberger Geochemical Sourcing of Lithic Raw Materials from Secondary Deposits in South Serbia. Implications for Early Neolithic Resource Management Strategies Appendix 1. Supplementary LA-ICP-MS data â ONLINEhttps://epub. oeaw.ac.at/archaeologia102/Supplement_Brandl_Hauzenberger Katharina Rebay-Salisbury - Doris Pany-Kucera - Michaela Spannagl-Steiner - Fabian Kanz - Patrik Galeta - Maria Teschler-Nicola - Roderick B. Salisbury Motherhood at Early Bronze Age Unterhautzenthal, Lower Austria Kirsten Mandl - Friederike Novotny - Maria Teschler-Nicola - Estella Weiss-Krejci The Corpse in the Early Bronze Age. Results of Histotaphonomic and Archaeothanatological Investigations of Human Remains from the Cemetery of Franzhausen I, Lower Austria Benedikt Biederer Verteilungsmuster spÃ¤tbronzezeitlicher Speichergruben in Mitteleuropa Nives Doneus, Wolfgang Neubauer, Michael Doneus, Mario Wallner Die archÃ¤ologische Landschaft von Halbturn. Ergebnisse aus drei Jahrzehnten integrierter archÃ¤ologischer Prospektion Beate Maria Pomberger, Peter Stadler Sicher vor DÃ¤monen? MusikarchÃ¤ologische Forschungen zu Glocken in awarischen GrÃ¤bern Rezensionen / Reviews Eva Lenneis Milan LiÄka, OsÃdlenÃ ze starÅ¡Ã etapy vÃ1⁄2voje kultury s vyÃchanou keramikou ve MÅ¡enÄ / Besiedlung der Ã¤lteren Entwicklungsetappe der Kultur mit Stichbandkeramik in MÅ¡eno. Fontes Archaeologici Pragenses 43 (NÃ¡rodnÃ muzeum, Prag 2016) Christoph Schwall Irina Gambashidze, Thomas StÃ¶llner (Hrsg.), The Gold of Sakdrisi: Manâs First Gold Mining Enterprise / á¡áá§áá áá¡áá¡ áá¥á á: áááaááá ááááá¡ ááá áááá áá¥á áá¡ á¡áááá á¬áá ááááá. VerÃ¶ffentlichungen aus dem Deutschen Bergbau-Museum Bochum (VML Verlag Marie Leidorf, Rahden/Westfalen 2016) Muhammad Karami AyÅe GÃ1⁄4rsan-Salzmann, The New Chronology of the Bronze Age Settlement of Tepe Hissar, Iran. University Museum Monographs 142 (University of Pennsylvania Museum of Archaeology and Anthropology, University of Pennsylvania Press, Philadelphia 2016) Eleftheria Kardamaki P. A. Mountjoy, Troy VI Middle, VI Late and VII: The Mycenaean Pottery. Studia Troica Monographien 9 (Eberhard Karls UniversitÃ¤t TÃ1⁄4bingen, University of Cincinnati, Dr. Rudolf Habelt GmbH, Bonn 2017) Theodoros G. Giannopoulos Konstantina Aktypi, The Mycenaean Cemetery at Agios Vasileios, Chalandritsa, in Achaea (Archaeopress, Oxford 2017) Robert Schumann Ludwig Wamser, Mauenheim und Bargen: Zwei GrabhÃ1⁄4gelfelder der Hallstatt- und FrÃ1⁄4hlatÃ ̈nezeit aus dem nÃ¶rdlichen Hegau. Forschungen und Berichte zur ArchÃ¤ologie in Baden-WÃ1⁄4rttemberg 2 (Dr. Ludwig Reichert Verlag, Wiesbaden 2016)
Drawing for learning from dynamic visualizations in science
2018-01-01

This paper examines the efficacy of drawing for supporting learning from digital media, such as dynamic visualizations. Extant research on the efficacy of drawing for promoting learning from dynamic visualizations is contradictory. The discrepancy in these findings has been attributed to the differences between drawing and dynamic visualizations. While dynamic visualizations emphasize spatiotemporal transformations, drawing emphasizes static spatiotemporal structures. Thus, drawing may impede learning from a dynamic visualization when the target learning objective relates to dynamism as it may bias the learner to focus on structure at the expense of transformation. Here, we present our developing findings that drawing provides an effective learning scaffold for learning from dynamic visualizations more so than self-explanation prompts, and that drawing biases learners to attend to fewer spatiotemporal structures.
Angelos Katakouzenos (1902–1982): A Lifework of Neurology and Art
2018-01-01

Angelos Katakouzenos, a Greek neurologist and prolific medical writer at the beginning of the 20th century, belonged to a group of artists and scholars that formed the “generation of the 30s,” a cultural movement that emerged after World War I and introduced modernism in Greek art and literature. Born in 1902, Katakouzenos studied medicine in France at the Universities of Montpellier and Paris, where he trained in neurology and psychiatry under Georges Guillain, Henri Claude, Jean-Athanase Sicard, Pierre Marie, Clovis Vincent and Théophile Alajouanine. In Paris, he attended to Freud’s patients, collaborating with the psychoanalyst Marie Bonaparte, while he was introduced to the contemporary &lt;i&gt;avant-garde&lt;/i&gt; movements of this time, developing long-lasting friendships with artists and intellectuals, including Marc Chagall and Tériade. Although Professor of Neurology and Psychiatry at the University of Paris, &lt;i&gt;Commandeur of the Légion d’honneur&lt;/i&gt; and founder of the first neuropsychiatric clinics in Greece, Katakouzenos lived far from the limelight. Despite his numerous publications, his scientific work remained largely unacknowledged. Yet, as a psychoanalyst he gained international fame and treated patients including William Faulkner who later would write, “To the wise scientist, the in-depth judge of the human soul, my friend Dr. Katakouzenos, who has helped me like no one else to redeem myself from the tortuous questions that troubled me for years – from the depths of my heart, many, very many thanks”. In this paper, the rediscovery of Katakouzenos’s remarkable work in the field of neuroscience aims to tell the story of a great physician whose lifework in bridging art and science may, in retrospect, reinstate him as one of the most captivating neurologists of the 20th century.
Tübingen-Oslo system at
2018-01-01

In this paper, we describe our three submissions to the inflection track of SIGMORPHON shared task.We experimented with three models: namely, sequence to sequence model (popularly known as seq2seq), seq2seq model with data augmentation, and a multilingual multi-tasking seq2seq model that is multilingual in nature.Our results with the multilingual model are below the baseline in the case of both high and medium datasets.
Archaeopedological analysis of colluvial deposits in favourable and unfavourable areas : reconstruction of land use dynamics in SW Germany
2018-01-01

Colluvial deposits, as the correlate sediments of human-induced soil erosion, depict an excellent archive of land use and landscape history as indicators of human-environment interactions. This study establishes a chronostratigraphy of colluvial deposits and reconstructs past land use dynamics in the Swabian Jura, the Baar and the Black Forest in SW Germany. In the agriculturally favourable Baar area multiple main phases of colluvial deposition, and thus intensified land use, can be identified from the Neolithic to the Modern times. In the unfavourable Swabian Jura increased colluvial deposition began later compared to the more favourable areas in the Baar. The same holds true for the unfavourable areas of the Black Forest, but intensified land use can only be reconstructed for the Middle Ages and Early Modern times instead of for the Bronze and Iron Age as in the Swabian Jura. Land use intensity and settlement dynamics represented by thick, multilayered colluvial deposits increase in the Baar and the Black Forest during the Middle Ages. In between those phases of geomorphodynamic activity and colluviation, stable phases occur, interpreted as phases with sustainable land use or without human presence.
The relaxation effects of natural polyphenols resveratrol and naringenin on gravid and non-gravid myometrium
2018-01-01

Natural polyphenols are present in the large number of plant species. As special sources of resveratrol are grapes and wine, as well as its products, but also naringenin grapefruit sort, its juice, hop and beer. During the last decade, resveratrol was in the focus of scientific and wider public as a substance that slows aging, anti-cancer, anti-inflammatory, cardio-protective properties. As a possible site of action is shown by a large number of cellular structures, thus resveratrol is labeled as "one molecule-many targets". Unlike, resveratrol, naringenin belongs to the group being studied less, flavonoids. Its mechanism of inhibition of the contraction of uterine smooth muscle has not been studied. The aims of this study were to investigate the possible inhibitory effect of polyphenols in several experimental models of pregnant and non pregnant uterus.
The role of potassium channels in the effect of resveratrol on the isolated renal artery of diabetic rats
2018-01-01

Background: Recently it has been documented that wine polyphenol, resveratrol improved metabolic parameters in animal models of diabetes. However, the effect of resveratrol on vasculature of diabetic animal is not well defined. Thus, the aims of our study were to investigate the effect of resveratrol on the vascular tone of rat renal artery (RA) and to defined the role of nitric oxide (NO) and a voltage-sensitive potassium (Kv) channels in its effect.
INVOLVEMENT OF ATP-SENSITIVE POTASSIUM CHANNELS IN PINACIDIL EFFECTS ON THE ISOLATED BYPASS GRAFTS FROM PATIENTS WITH TYPE-2 DIABETES MELLITUS
2018-01-01

The bypass grafts obtained from the diabetic patients have a tendency to develop vasospasm. Inhibition of vasospasm could be achieved by potassium channel openers (PCOs), drugs that activate ATP-sensitive K+ (KATP) channels in the vascular smooth muscle. It is a little known about the role of these channels in PCO effects on the blood vessels of patients with type-2 diabetes mellitus (T2DM). Thus, the aim of our study was to investigate the contribution of KATP channels in the effect of the PCO, pinacidil, on the bypass grafts obtained from patients with T2DM.
Does regulation trade-off quality against inequality? The case of German architects and construction engineers
2018-01-01

We exploit an exogenous price increase by about 10% for architectural services to answer the question how price regulation affects income inequality and service quality. Using individual-level data from the German microcensus for the years 2006 to 2012, we find a significant reform effect of 8% on personal net income for self-employed architects and construction engineers. This group moved from the second lowest to the highest quintile of the net income distribution. This increase in inequality is associated with a deterioration of service quality. The reform reduced average scores of a peer ranking for architects by 18%.
Inter-City Trade
2018-01-01

We propose and apply a new theory-consistent algorithm, which uses disaggregated inter-city trade data to identify a pyramidic city system with central places and associated hinterlands. Because central places possess more industries than the cities in their hinterlands, and because industries, which are exclusive to central places, are more likely to export to the small, peripheral cities in the central place’s hinterland, we find that aggregate exports from central places to their hinterlands are two to five times larger than predicted by gravity forces. Using a simple decomposition approach, we show that this upward bias results from aggregation along the extensive industry margin, which is why the bias is much smaller and only marginally significant if estimation is conducted in a theory-consistent way at the disaggregated industry level.
Tax-Response Heterogeneity and the Effects of Double Taxation Treaties on the Location Choices of Multinational Firms
2018-01-01

This paper examines location choices of multinational enterprises (MNEs). We particularly focus on the consequences of double taxation treaties (DTTs) and corporate profit taxes on the probability to choose a location. DTTs have become a key policy instrument used by countries to regulate international tax issues related to the cross-border activities of MNEs. Based on three alternative location choice models, which all allow parameter estimates to vary randomly across firms, we show that firm responses to policy variables are highly heterogeneous. Postestimation statistics suggest that the heterogeneity of parameters is strongly correlated with firm size and effective tax burden, which is consistent with tax-avoidance behavior and provides an explanation for why tax-responses are heterogeneous in the first place. We quantify the (positive) effect of DTTs and demonstrate that the negative tax-responsiveness becomes larger if a DTT is implemented. The latter is evidence that provisions intended to prevent tax avoidance are effective.
Corporate Income Taxes Around the World - A Survey on Forward-looking Tax Measures and Two Applications
2018-01-01

This study provides a survey on corporate taxes around the world. Our analysis has three main objectives. First, we collect tax data and calculate (forward-looking) effective tax measures for a large sample of countries and recent years. We particularly describe how these measures vary over time and across countries. Second, we augment the country-level information with firm- and industry-level data (providing weights for financial structure and asset composition) to contrast statutory measures at the level of countries with measures accounting for firm- and industry-specific weights. Third, we utilize our new data to (i) estimate Laffer-Curves, i.e., the relationship between statutory tax rate and tax revenue, based on non-parametric as well as parametric specifications; (ii) examine how taxes affect investment in fixed assets at the level of firms. As for the latter, our preferred specification, in which we use a firm-specific effective marginal tax rate to capture tax incentives, suggests an elasticity of -0.33.
Distance and the Multinational Wage Premium
2018-01-01

Combining administrative data on German workers with commercial data on German firms, we find evidence for a distance effect on the multinational wage premium: Foreign multinationals pay lower wages than German multinationals if the ultimate owner is located in close proximity to Germany, whereas the opposite is true if the ultimate owner is located further away. In addition to this so far unexplored effect, our results confirm previous evidence that on average foreign multinationals and domestic multinationals pay wages of similar size, with both types of firms paying a premium relative to other local firms. To provide a rationale for this pattern, we develop a theoretical model in which wages are firm-specific and firms can serve the foreign market via exporting or via FDI. In case of FDI, they face uncertainty about the wages to be paid abroad, and due to this uncertainty, firms that pay high wages at home are more likely to seek foreign investment. In the model, the observed distance effect on the multinational wage premium occurs since the alternative of exporting is less attractive for distant locations, and firms are therefore more willing to accept higher wages for foreign production in locations that are further away from their headquarters.
There and Back Again: A Simple Theory of Planned Return Migration
2018-01-01

We present supportive empirical evidence and a new theoretical explanation for the negative selection into planned return migration between similar regions in Germany. In our model costly temporary and permanent migration are used as imperfect signals to indicate workers' high but otherwise unobservable skills. Production thereby takes place in teams with individual skills as strategic complements. Wages therefore are determined by team performance and not by individual skill, which is why migration inflicts a wage loss on all workers, who expect the quality of their co-workers to decline. In order to internalise this negative migration externality, which leads to sub-optimally high levels of temporary and permanent migration in a laissez-faire equilibrium, we propose a mix of two policy instruments, which reduce initial outmigration while at the same time inducing later return migration.
Information asymmetries between parents and educators in German childcare institutions
2018-01-01

Economic theory predicts market failure in the market for early childhood education and care (ECEC) due to information asymmetries. We empirically investigate information asymmetries between parents and ECEC professionals in Germany, making use of a unique extension of the German Socio-Economic Panel Study (SOEP). It allows us to compare quality perceptions by parents and pedagogic staff of 734 ECEC institutions which were attended by children in SOEP households. Parents and staff were asked to rate the same quality measures. We detect considerable information asymmetries between these groups which differ across quality measures but little by parental socio-economic background or center characteristics. Our findings imply that information is not readily available to parents, an issue that should be addressed by policy-makers.
Detecting non-functional circuit activity in SoC designs
2018-01-01

In this paper, we present a methodology for the automatic detection of non-functional circuit activity in SoC designs. Our methodology formally analyses an RTL design, generates an internal graph representation and traverses the graph using given simulation traces. We evaluate an open source processor with a given set of benchmark applications using our approach. With a commercial RTL simulator, we observe an average register toggle activity of 6.7%-11.5%, but our experiments show that 86.1-92.7% of these toggles are non-functional, i.e. not necessary for producing the exact same circuit output. We further evaluate the efficiency of the clock gating architecture of a commercial ASIP. For the Dhrystone benchmark we show that, even though only 34.7% of the registers are clocked on average, still 64.3% of the non-clock-gated registers in this ASIP are not needed on average to produce exactly the same circuit output.
2018-01-01

We briefly summarize the background of the HeLP method for torsion units in group rings and present some functionality of a GAP package implementing it.1. THE ZASSENHAUS CONJECTURE AND THE PRIME GRAPH QUESTION.As we consider the integral group ring ‫ޚ‬G of a finite group G, one question that arises naturally is: "What does the unit group U(‫ޚ‬G) look like?"For example, what are the torsion units, i.e., the units of finite order?Clearly, there are the so-called trivial units ±g for g ∈ G. Already in G. Higman's PhD thesis [1940], it was proved that all the torsion units are of this form, provided G is abelian.As we are not interested in the torsion coming solely from the ring, but rather in the torsion coming from the group-ring interplay, we consider the group of normalized units V(‫ޚ‬G), i.e., the units mapping to 1 under the augmentation homomorphism ε : ‫ޚ‬G → ‫ޚ‬ : g∈G u g g → g∈G u g . Then U(‫ޚ‬G) = ±V(‫ޚ‬G).In the noncommutative case, there are in general, of course, more torsion units than the trivial ones, e.g., conjugates of group elements by units of ‫ޑ‬G which end up in ‫ޚ‬G again.H. J. Zassenhaus conjectured more than 40 years ago that these are all the torsion units.Zassenhaus conjecture (ZC) [1974].Let G be a finite group and u a torsion unit in V(‫ޚ‬G).Then there exists a unit x in ‫ޑ‬G such that x -1 ux = g for some g ∈ G.Elements u, v ∈ ‫ޚ‬G which are conjugate by a unit x ∈ ‫ޑ‬G are called rationally conjugate, denoted by u ∼ ‫ޑ‬G v.
Gravitational Waves
2018-01-01

Gravitational waves are a hot topic today. It is now possible to directly detect gravitational waves from astrophysical sources, and we expect an impressive amount of completely new data in the next 10–20 years. The aim of this chapter is to provide an introductory overview on the topic. Contrary to the other chapters of the book, the discussion is not at a purely theoretical level, and some sections are devoted to observations and experimental facilities.
The testament of the London coin dealer William Till the Younger (1782-1844)
2018-01-01

Cet article retranscrit et commente le testament de William Till, un grand marchand en monnaies londonien, actif du début des années 1830 jusqu’à sa mort en 1844. Il créa une dynastie, car son commerce fut repris par son neveu William Webster, dont le fils travailla ensuite pour Spink &amp; Son.
Integrative network analysis highlights biological processes underlying GLP-1 stimulated insulin secretion: A DIRECT study
2018-01-02

Glucagon-like peptide 1 (GLP-1) stimulated insulin secretion has a considerable heritable component as estimated from twin studies, yet few genetic variants influencing this phenotype have been identified. We performed the first genome-wide association study (GWAS) of GLP-1 stimulated insulin secretion in non-diabetic individuals from the Netherlands Twin register (n = 126). This GWAS was enhanced using a tissue-specific protein-protein interaction network approach. We identified a beta-cell protein-protein interaction module that was significantly enriched for low gene scores based on the GWAS P-values and found support at the network level in an independent cohort from Tübingen, Germany (n = 100). Additionally, a polygenic risk score based on SNPs prioritized from the network was associated (P < 0.05) with glucose-stimulated insulin secretion phenotypes in up to 5,318 individuals in MAGIC cohorts. The network contains both known and novel genes in the context of insulin secretion and is enriched for members of the focal adhesion, extracellular-matrix receptor interaction, actin cytoskeleton regulation, Rap1 and PI3K-Akt signaling pathways. Adipose tissue is, like the beta-cell, one of the target tissues of GLP-1 and we thus hypothesized that similar networks might be functional in both tissues. In order to verify peripheral effects of GLP-1 stimulation, we compared the transcriptome profiling of ob/ob mice treated with liraglutide, a clinically used GLP-1 receptor agonist, versus baseline controls. Some of the upstream regulators of differentially expressed genes in the white adipose tissue of ob/ob mice were also detected in the human beta-cell network of genes associated with GLP-1 stimulated insulin secretion. The findings provide biological insight into the mechanisms through which the effects of GLP-1 may be modulated and highlight a potential role of the beta-cell expressed genes RYR2, GDI2, KIAA0232, COL4A1 and COL4A2 in GLP-1 stimulated insulin secretion.