cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Volcanic facies architecture of the Chilcotin Group basalts at Chasm Provincial Park, British Columbia
Creators: name: Farrell, Rebecca-Ellen
Publisher: name: University of British Columbia
Year: 2010

description: The Chilcotin Group basalt (CGB) of south-central British Columbia, Canada defines a medium-sized igneous province (ca. 17, 000 km²), characterized by basaltic lavas, volcaniclastic deposits, and paleosols with minor ash deposits. The CGB has previously been mapped only at reconnasissance scale (1:250 000), and most studies concentrated on geochemical and petrological studies; no stratigraphic relationships or volcanological models were attempted. Chasm canyon exposes one of the thickest successions of the CGB. Here, I explicate the volcanic facies architecture at Chasm to reconstruct the emplacement history and volcanism in the Neogene using geological mapping, cross-sections, and graphic logs. Specifically, seven discrete facies are recognized. The coherent facies are: i) vesicular/amygdaloidal pahoehoe lobes; ii) columnar-jointed, sheet-like lava; and iii) intact basaltic pillow lava. The clastic facies are: iv) paleosols; v) pillow-fragment breccia; vi) hyaloclastite; and vii) lacustrine sandstone. Facies are grouped into broad facies associations including the subaerial facies and interstratified subaqueous and subaerial facies. The subaqueous facies are a minor component in the canyon stratigraphy. The geometry of the lavas is indicative of the eruptive style of volcanism at Chasm, which defines the volcanic facies architecture. Four architectural elements have been observed: i) tabular-classic (TC), which represents a steady continuous supply of subaerial effusive basaltic lavas; ii) compound-braided (CB), which is typical of a shield volcano where anastomosing, branching flow fields result; iii) transitional-mixed, a combination of TC- and CB-type suggestive of bimodal emplacement, perhaps sourced from coalesced shield volcanoes and flank fissures; and iv) foreset-bedded indicative of subaqueous lavas. The exposed rocks record the evolution of CGB volcanism through ten distinct eruptive episodes and intermittent lakes, with periods of quiescence characterized by the paleosol development. Whole-rock Ar-Ar dates were obtained; the duration of volcanism is calculated as 1.28 ± 0.61 m.y. Emplacement is suggestive of shield volcanoes and small fissure eruptions with a northerly flow direction. Laterally extensive paleosols, classified as Brunisolic soils, were examined closely and display a range of morphological features suggestive of the paleo-environment. Lateral variability amongst paleosols have been mapped over a distance of more than 8 km, including a subqueous to subaerial transition.
Знания без границ: открытые образовательные ресурсы для вашего успеха
Creators: name: Шкутова, Алина Владимировна
Publisher: name: Zenodo
Year: 2023
Subjects: дополнительное образование
открытые образовательные ресурсы
популярная наука
обучающие курсы

description: Доступные возможности для дополнительного образования и саморазвития, включенные в презентацию, были представлены на лекции «Знания без границ: открытые образовательные ресурсы для вашего успеха», которая состоялась 27 октября в рамках Международной недели открытого доступа – 2023. Материалы охватывают самые различные аспекты современных образовательных и информационных ресурсов, свободно доступных в сети Интернет. Раскрыт потенциал образовательных платформ и массовых онлайн-курсов, где можно дополнительно пройти обучение у лучших преподавателей в крупнейших университетах мира и освоить самые актуальные области знаний. Кроме того, были обозначены бесплатные возможности маркет-плейсов и коммерческих проектов, предлагающих образовательные услуги, а также представлены основные инструменты и коллекции для поиска открытых образовательных материалов в сети Интернет. Представлены лучшие сетевые научно-популярные проекты и платформы, которые доступно и интересно рассказывают о науке.
Pseudexechia tuomikoskii
Creators: name: El Mouden, Mohamed Amin
name: Chandler, Peter J.
name: Saidoun, Imane
name: Driauach, Ouafaa
name: Belqat, Boutaïna
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Mycetophilidae
Pseudexechia
Pseudexechia tuomikoskii

description: Pseudexechia tuomikoskii (Kjærandsen, 2009)
Material examined.
Morocco – Middle Atlas Region • 10 ♂♂; Gouffre Izora; 19/V/2022; K. Aattouch, M. El Ouahabi and M. A. El Mouden leg; UAE-FST MA 22/24120 • 7 ♂♂; Grotte Bouslama; 19/V/2022; K. Aattouch, M. El Ouahabi and M. A. El Mouden leg; UAE-FST MA 22/24121.
North African distribution.
Morocco (Banamar et al. 2020).
description: Published as part of El Mouden, Mohamed Amin, Chandler, Peter J., Saidoun, Imane, Driauach, Ouafaa & Belqat, Boutaïna, 2025, A new species of Docosia Winnertz, 1864 and new records of fungus gnats (Diptera, Bolitophilidae, Keroplatidae and Mycetophilidae) from North Africa, pp. 349-379 in ZooKeys 1233 on pages 349-379, DOI: 10.3897/zookeys.1233.130502
Mining bus travel card data for analysing mobilities in tourist regions
Creators: name: Domènech, Antoni
name: Miravet, Daniel
name: Gutiérrez, Aaron
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Computational Biology

description: Mobilities that take place in coastal tourist regions are not regular in time nor in space, since the arrival of tourists follows a distinctly seasonal pattern. A key agent in the mobility sector, such as the public transport, is directly affected by these alterations. This article aims at analysing this phenomenon from a geographical perspective, by means of the use of big (geo)data generated by travel cards that monitor the demand for interurban public transport in the region of Camp de Tarragona, in south Catalonia. The maps presented in this article constitute a first attempt to appraise the impact of seasonality of tourist activities on public transport demand in coastal tourist regions. They allow detailing large spatiotemporal fluctuations in the use of public transport between winter and summer periods, and also significant differences in daily time slots between both periods. The results are from interest to understand the mobilities in tourist regions and for agents involved in public transport provision and tourism management.
Successful Endoscopic Transpapillary Management of Intrahepatic Pancreatic Pseudocyst
Creators: name: Kibria, Rizwan
name: Akram, Salma
name: Ali, Syed A
Publisher: name: JOP. Journal of the Pancreas
Year: 2016
Subjects: Cysts /diagnosis /therapy; Endosonography; Liver Diseases /complications /therapy; Pancreatic Pseudocyst /complications /diagnosis /therapy; Pancreatitis, Chronic; Treatment Outcome

description: Context Intrahepatic pancreatic pseudocyst extension is a rare but complex clinical entity requiring multimodality approach for management. There is no consensus regarding the optimal strategy for the treatment of intrahepatic pancreatic pseudocyst and the literature is limited to a few case reports. Most of the published cases were managed by surgical or percutaneous drainage. Case report We hereby report a case of intrahepatic pancreatic pseudocyst extension which failed to resolve by percutaneous drainage. Endoscopic transpapillary drainage was utilized which led to complete resolution of the intrahepatic pancreatic pseudocyst. Conclusion The excellent results obtained in our patient suggest that it should be considered as primary treatment and may obviate the need for more aggressive and potentially morbid procedures.

Image: ERCP showing the 7F, 10 cm long pancreatic stent traversing the main duct stricture extending to the tail.
description: JOP. Journal of the Pancreas, Vol 11, N° 1 (2010): January - P. 1-94
Internet Gaming in New Jersey: Calendar Year 2015 Report to the Division of Gaming Enforcement
Creators: name: Nower, Lia
name: Caler, Kyle
name: Guan, Rongjin
Publisher: name: Rutgers University Center for Gambling Studies
Year: 2016
Subjects: subject: Internet Gambling -- New Jersey
subject: Gambling Literature

description: Permission to include this report in the Institute research repository granted by Lia Nower, Director, Center for Gambling Studies, Rutgers University on August 26, 2016.
description: This report, prepared pursuant to N.J.S.A. 5:12‐95.18, is the second in a series of four annual reports, examining the overall impact of Internet gaming and problematic patterns of play and the relationship to the state‐wide prevalence of problem gambling. Analyses in this report are focused on player demographics, play patterns and use of responsible gambling features from the first full year of operation, 2014; subsequent reports will feature play data from 2015 and 2016.
title: Payment schemes for hydrological ecosystem services as a political instrument for the sustainable management of natural resources and poverty reduction – a case study from Belén, Nicaragua
Creators: name: Hack, Jochen
Publisher: name: Copernicus Publications
Year: 2021

description: The importance of intact ecosystems for human-wellbeing as well as the dependence on functions and services they provide is undoubted. But still neither the costs of ecosystem degradation nor the benefits from ecosystem functions and services appear on socio-economic balance sheets when development takes place. Consequently overuse of natural resources is socio-economically promoted by conventional resource management policies and external effects (externalities), equally positives and negatives, remain unregarded. In this context the potential of payments for hydrological ecosystem services as a political instrument to foster sustainable natural resource use, and rural development shall be investigated. This paper introduces the principle concept of such payments, presents a case study from Nicaragua and highlights preliminary effects of the application of this instrument on natural resource use and development.
The unsteady overtopping of barriers by gravity currents and dam-break flows
Creators: name: Skevington, Edward W. G.
name: Hogg, Andrew J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences
subject: 76-10, 76B70, 76M12, 76M45

description: The collision of a gravitationally-driven horizontal current with a barrier following release from a confining lock is investigated using a shallow water model of the motion, together with a sophisticated boundary condition capturing the local interaction. The boundary condition permits several overtopping modes: supercritical, subcritical, and blocked flow. The model is analysed both mathematically and numerically to reveal aspects of the unsteady motion and to compute the proportion of the fluid trapped upstream of the barrier. Several problems are treated. Firstly, the idealised problem of a uniform incident current is analysed to classify the unsteady dynamical regimes. Then, the extreme regimes of a very close or distant barrier are tackled, showing the progression of the interaction through the overtopping modes. Next, the trapped volume of fluid at late times is investigated numerically, demonstrating regimes in which the volume is determined purely by volumetric considerations, and others where transient inertial effects are significant. For a Boussinesq gravity current, even when the volume of the confined region behind the barrier is equal to the fluid volume, $30\%$ of the fluid escapes the domain, and a confined volume $3$ times larger is required for the overtopped volume to be negligible. For a subaerial dam-break flow, the proportion that escapes is in excess of $60\%$ when the confined volume equals the fluid volume, and a barrier as tall as the initial release is required for negligible overtopping. Finally, we compare our predictions to experiments, showing a good agreement across a range of parameters.
description: 28 pages, 16 figures, preprint
X-ray Observations of Radio Transients without Optical Hosts
Creators: name: Croft, Steve
name: Tomsick, John A.
name: Bower, Geoffrey C.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present a 50 ks Chandra ACIS-I X-ray observation of the Bower et al. VLA archival field. The observations reach a limiting sensitivity of ~1E-4 counts/s, corresponding to a flux of a few times 1E-15 erg/s/cm^2 for the models we explore. The Chandra observations were undertaken to search for X-ray counterparts to the eight transient sources without optical counterparts, and the two transient sources with optical counterparts seen by Bower et al. Neither of the sources with optical counterparts was detected in X-rays. One of the eight optical non-detections is associated with a marginal (2.4 sigma) X-ray detection in our Chandra image. A second optically-undetected Bower et al. transient may be associated with a z=1.29 X-ray detected quasar or its host galaxy, or alternatively is undetected in X-rays and is a chance association with the nearby X-ray source. The X-ray flux upper limits, and the one marginal detection, are consistent with the interpretation of Ofek et al. that the optically-undetected radio transients are flares from isolated old Galactic neutron stars. The marginal X-ray detection has a hardness ratio which implies a temperature too high for a simple one-temperature neutron star model, but plausible multi-component fits are not excluded, and in any case the marginal X-ray detection may be due to cosmic rays or particle background. The X-ray flux upper limits are also consistent with flare star progenitors more distant than approximately 1 kpc (which would require the radio luminosity of the transient to be unusually high for such an object) or less extreme flares from brown dwarfs at distances of around 100 pc.
description: Accepted for publication in ApJ
Measuring the giant radio galaxy length distribution with the LoTSS
Creators: name: Oei, Martijn S. S. L.
name: van Weeren, Reinout J.
name: Gast, Aivin R. D. J. G. I. B.
name: Botteon, Andrea
name: Hardcastle, Martin J.
name: Dabhade, Pratik
name: Shimwell, Tim W.
name: Röttgering, Huub J. A.
name: Drabent, Alexander
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Radio galaxies are luminous structures created by the jets of supermassive black holes, and consist of atomic nuclei, relativistic electrons, and magnetic fields. In exceptional cases, radio galaxies attain cosmological, megaparsec extents - and thus turn into giants. Giants embody the most extreme known mechanism through which galaxies can impact the Cosmic Web around them. The triggers of giant growth remain a mystery. Excitingly, new sensitive low-frequency sky surveys hold promise to change this situation. In this work, we perform a precision measurement of the distribution of giant growth's central dynamical quantity: total length. We first construct a statistical geometric framework for radio galaxies that is both rigorous and practical. We then search the LOFAR Two-metre Sky Survey for giants, discovering 2060 previously unknown specimina: more than have been found in all preceding literature combined. Spectacular discoveries include the longest giant hosted by an elliptical galaxy, the longest giant hosted by a spiral galaxy, and 13 giants with an angular length larger than that of the full Moon. By combining theory and observations - and carefully forward modelling selection effects - we infer that giant radio galaxy lengths are well described by a Pareto distribution with tail index $-3.5 \pm 0.5$. This finding is a new observational constraint for models and simulations of radio galaxy growth. In addition, for the first time, we determine the comoving number density of giants, $5 \pm 2\ (100\ \mathrm{Mpc})^{-3}$, and the volume-filling fraction of giant radio galaxy lobes in clusters and filaments, $5\substack{+8\\-2}\cdot 10^{-6}$. We conclude that giants are truly rare - not only from an observational perspective, but also from a cosmological one. At any moment in time, most clusters and filaments - the building blocks of the modern Cosmic Web - do not harbour giants.
description: 41 pages, 28 figures, 5 tables, published in Astronomy & Astrophysics
Existence of immersed spheres minimizing curvature functionals in compact 3-manifolds
Creators: name: Kuwert, Ernst
name: Mondino, Andrea
name: Schygulla, Johannes
Publisher: name: arXiv
Year: 2011
Subjects: subject: Differential Geometry (math.DG)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We study curvature functionals for immersed 2-spheres in a compact, three-dimensional Riemannian manifold M. Under the assumption that the sectional curvature of M is strictly positive, we prove the existence of a smoothly immersed sphere minimizing the L^{2} integral of the second fundamental form. Assuming instead that the sectional curvature is less than or equal to 2, and that there exists a point in M with scalar curvature bigger than 6, we obtain a smooth 2-sphere minimizing the integral of 1/4|H|^{2} +1, where H is the mean curvature vector.
Evaluation of the screened vacuum-polarization corrections to the hyperfine splitting of Li-like bismuth
Creators: name: Andreev, O. V.
name: Glazov, D. A.
name: Volotka, A. V.
name: Shabaev, V. M.
name: Plunien, G.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: The rigorous calculation of the vacuum-polarization screening corrections to the hyperfine splitting in Li-like bismuth is presented. The two-electron diagrams with electric and magnetic vacuum-polarization loops are evaluated to all orders in alpha*Z, including the Wichmann-Kroll contributions. This improves the accuracy of the theoretical prediction for the specific difference of the hyperfine splitting values of H- and Li-like bismuth.
description: 18 pages with 4 figures
Relativistic star solutions in Mass-varying Massive Gravity with a diagonal metric
Creators: name: Wu, De-Jun
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We investigate relativistic star solutions in Mass-Varying Massive Gravity (MVMG) with a diagonal metric. Contrary to the intuition that there is no fundamental difference between diagonal metric and non-diagonal metric solutions regarding relativistic stars, we find that with a diagonal metric, well-behaved relativistic star solutions may not exist except for trivial ones in which the graviton mass is a constant, whereas non-trivial relativistic star solutions had been found in MVMG with a non-diagonal metric. The reason is that with a diagonal metric, the field equations constitute a system of differential-algebraic equations of differential index-2 with two extra constraints that have a significant influence on the system, rendering the relativistic star solution with a non-trivial graviton mass configuration impossible in most cases.
description: 14 pages; V2:References added, minor changes
Solid Pseudopapillary Tumor of the Pancreas with Concomitant Pancreas Divisum. A Case Report
Creators: name: Watanabe, Daisuke
name: Miura, Kouichi
name: Goto, Takashi
name: Nanjo, Hiroshi
name: Yamamoto, Yuzo
name: Ohnishi, Hirohide
Publisher: name: JOP. Journal of the Pancreas
Year: 2016
Subjects: Neoplasms /etiology; Progesterone

description: Context Solid pseudopapillary tumor of the pancreas is a rare neoplasm which affects young women. On the other hand, pancreas divisum is an anomaly which develops at 7 weeks of gestation. Here, we report a case of a solid pseudopapillary tumor of the pancreas with concomitant pancreas divisum. Case report A 26-year-old woman was diagnosed as having a pancreatic tumor with solid and cystic components in the pancreatic head. Pancreatograms obtained by ERCP and MRCP showed no communication between the ventral and dorsal pancreatic ducts, indicating that pancreas divisum was present. Microscopically, the resected tumor had solid and cystic components. Immunohistochemical study demonstrated that the tumor cells were positive for alpha-1-antitrypsine, vimentin and progesterone receptor but negative for estrogen receptors, NSE, insulin or glucagon. The tumor was diagnosed as a solid pseudopapillary tumor of the pancreas. Although more than 700 cases of solid pseudopapillary tumors of the pancreas have been reported in the English literature, a search of PubMed turned up no reports of concomitant solid pseudopapillary tumor and pancreas divisum. Conclusion Solid pseudopapillary tumors of the pancreas with concomitant pancreas divisum are extremely rare.

Image: Well-circumscribed solid mass with hemorrhagic degeneration.
description: JOP. Journal of the Pancreas, Vol 11, N° 1 (2010): January - P. 1-94
New urban geographies of West Bengal, East India
Creators: name: Duijne, Robbin Jan Van
name: Chetan Choithani
name: Pfeffer, Karin
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Medicine
subject: Biotechnology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: Sociology
subject: FOS: Sociology
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Cancer

description: This article is part of a larger research project on new urban geographies in India. Between the population censuses of 2001 and 2011, India witnessed a record increase of 2,532 new Census Towns, small settlements that meet the country's criteria to be considered ‘urban’. This steep increase is intricately linked with decreases in agricultural jobs, but we know very little about the spatiality of these urban geographies, alternative local employment, or the nature of the local economies of Census Towns. Based on a tailored geodatabase, our Main Map visualizes the geography of these heretofore uncharted Census Towns in the state of West Bengal. We then draw on reconnaissance fieldwork to zoom in on a cluster of Census Towns in central Bengal where we find evidence of urban growth that appears linked to road infrastructure, what we described in earlier conceptual work as “emergent highway urbanization”. The Main Map and reconnaissance fieldwork contribute to a better, albeit early-stage, understanding of the rapidly changing spatiality of contemporary urbanization in this region.
Intraductal Oncocytic Papillary Neoplasm of the Pancreas: A Radio-Pathological Case Study
Creators: name: Fischer, Michael A
name: Donati, Olivio
name: Heinrich, Stefan
name: Weber, Achim
name: Hany, Thomas F
name: Soldini, Davide
name: Alkadhi, Hatem
name: Marincek, Borut
name: Scheffel, Hans
Publisher: name: JOP. Journal of the Pancreas
Year: 2016
Subjects: Carcinoma, Pancreatic Ductal; Diffusion Magnetic Resonance Imaging; Fluorodeoxyglucose F18; Magnetic Resonance Imaging; Pancreas; Positron-Emission Tomography; Tomography, X-Ray Computed

description: Context An intraductal oncocytic papillary neoplasm is a rare pancreatic tumor with the potential of developing invasive carcinoma. Its differentiation from other cystic-like neoplasms of the pancreas, such as intraductal papillary mucinous neoplasms, is a challenge for pancreatic imaging. Case report We present the case of a 76-year-old male with painless jaundice caused by an intraductal oncocytic papillary neoplasm of the pancreas. The imaging findings on computed tomography, magnetic resonance including diffusion-weighted imaging, and 18F-fluorodeoxyglucose positron emission tomography are presented and the radio-pathological correlations are discussed. Conclusion An intraductal oncocytic papillary neoplasm of the pancreas appears as a cystic tumor communicating with the dilated pancreatic duct featuring intraductal tumor nodules. Intraductal oncocytic papillary neoplasms show a high 18F-fluorodeoxyglucose-uptake in positron emission tomography and low diffusion values in diffusion-weighted imaging including apparent diffusion coefficient maps which may be a valuable attribute in distinguishing these rare lesions from intraductal papillary mucinous neoplasms.

Image: Original attenuation-corrected coronal PET image.
description: JOP. Journal of the Pancreas, Vol 11, N° 1 (2010): January - P. 1-94
Cystic fibrosis cases missed by newborn bloodspot screening—towards a consistent definition and data acquisition
Creators: name: Munck, Anne
name: W. Southern, Kevin
name: Murphy, Jared
name: de Winter-de Groot, Karin M.
name: Gartner, Silvia
name: Karadag, Bülent
name: Kashirskaya, Nataliya
name: Linnane, Barry
name: Proesmans, Marijke
name: Sands, Dorota
name: Sommerburg, Olaf
name: Castellani, Carlo
name: Barben, Jürg
Publisher: name: University of Limerick
Year: 2023
Subjects: classificationCode: 42
subject: Health sciences
subject: FOS: Health sciences

description: Repeated European surveys of newborn bloodspot screening (NBS) have shown varied strategies for collecting missed cases, and information on data collection differs among countries/regions, hampering data comparison. The ECFS Neonatal Screening Working Group defined missed cases by NBS as either false negatives, protocol-related, concerning analytical issues, or non-protocol-related, concerning pre- and post-analytical issues. A questionnaire has been designed and sent to all key workers identified in each NBS programme to assess the feasibility of collecting data on missed cases, the stage of the NBS programme when the system failed, and individual patient data on each missed case.
Can an Intraductal Papillary Mucinous Tumor be a Potential Indicator of Concurrent Adenocarcinoma of the Pancreas?
Creators: name: Jarry, Julien
name: Belleannee, Genevieve
name: Rault, Alexandre
name: Sa Cunha, Antonio
name: Collet, Denis
Publisher: name: JOP. Journal of the Pancreas
Year: 2016
Subjects: Adenocarcinoma; Neoplasms; Pancreas

description: Context Despite the recent progress of diagnostic and therapeutic modalities, survival rates of pancreatic adenocarcinoma remain poor, mainly due to late diagnosis. Case report We report the case of a 56-year-old man who was diagnosed with a symptomatic intraductal papillary mucinous tumor of the pancreas located in the uncus. This tumor was associated with a concurrent stenosis of the isthmic pancreatic duct which resulted in a distal dilation. A Whipple procedure was performed. During the procedure, a concomitant adenocarcinoma was diagnosed 2 cm from the primary intraductal papillary mucinous tumor, causing the isthmic stenosis. A second resection was then performed to the left of the pancreatic isthmus, and adjuvant chemotherapy was performed. The patient is well and without any sign of recurrence 7 months after surgery. Conclusion We discuss the possibility that intraductal papillary mucinous tumors may be a "red flag" enabling earlier diagnosis of a concurrent pancreatic adenocarcinoma arising in another area of the pancreas.

Image: Pancreatic ducts lined by tall, columnar, mucin-containing epithelium with papillary projections.
description: JOP. Journal of the Pancreas, Vol 11, N° 1 (2010): January - P. 1-94
Exploring the nature of ultra-luminous X-ray sources across stellar population ages using detailed binary evolution calculations
Creators: name: Misra, Devina
name: Kovlakas, Konstantinos
name: Fragos, Tassos
name: Andrews, Jeff J.
name: Bavera, Simone S.
name: Zapartas, Emmanouil
name: Xing, Zepei
name: Dotter, Aaron
name: Rocha, Kyle Akira
name: Srivastava, Philipp M.
name: Sun, Meng
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Ultra-luminous X-ray sources (ULXs) are sources observed to exceed the Eddington limit of a stellar-mass black hole (BH). A fraction of ULX sources show X-ray pulses which are evidence for accreting neutron stars (NSs). Theoretical studies have suggested that NSs dominate the compact objects of intrinsic ULXs, even though the majority of observed sample is non-pulsating, implying that X-ray pulses from many NS ULXs are unobservable. We use POSYDON to generate and study X-ray binary populations spanning starburst ages 5 to 1000Myr. Following theoretical predictions for the alignment of the NS spin axis with the accretion disc, we estimate the required accreted mass in ULXs so that the alignment suppresses observable X-ray pulses. While the properties of ULXs are sensitive to model assumptions, there are certain trends that the populations follow. Young and old stellar populations are dominated by BH and NS accretors, respectively. The donors go from massive H-rich main-sequence (MS) stars in young populations (<100Myr) to low-mass post-MS H-rich stars in older populations (>100Myr), with stripped He-rich giant stars dominating the populations at around 100Myr. In addition, we find that NS ULXs exhibit stronger geometrical beaming than BH ULXs, leading to an under-representation of NS accretors in observed populations. Coupled with our finding that X-ray pulses are suppressed in at least 60% of the NS ULXs, we suggest that the observed fraction of ULXs with detectable X-ray pulses is very small, in agreement with observations. This study investigates the effects of age on ULXs as well as the effects of different model assumptions on ULX demographics. We show that geometrical beaming and the mass-accretion phase are critical aspects of understanding ULX observations. Our results suggest that even though most ULXs have accreting NSs, those with observable X-ray pulses would be very few.
description: 22 pages, 12 figures, Accepted by A&A. Fixed typos and updated references. Referee's comments were addressed
Second-phase nucleation on an edge dislocation
Creators: name: Massih, Ali R.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: A model for nucleation of second phase at or around dislocation in a crystalline solid is considered. The model employs the Ginzburg-Landau theory of phase transition comprising the sextic term in order parameter in the Landau free energy. The ground state solution of the linearized time-independent Ginzburg-Landau equation has been derived, through which the spatial variation of the order parameter has been delineated. Moreover, a generic phase diagram indicating a tricritical behavior near and away from the dislocation is depicted. The relation between the classical nucleation theory and the Ginzburg-Landau approach has been discussed, for which the critical formation energy of nucleus is related to the maximal of the Landau potential energy. A numerical example illustrating the application of the model to the case of nucleation of hydrides in zirconium alloys is provided.
description: 23 pages, 6 figures, to appear in Philosophical Magazine
High-efficient Bloch simulation of magnetic resonance imaging sequences based on deep learning
Creators: name: Huang, Haitao
name: Yang, Qinqin
name: Wang, Jiechao
name: Zhang, Pujie
name: Cai, Shuhui
name: Cai, Congbo
Publisher: name: arXiv
Year: 2022
Subjects: subject: Image and Video Processing (eess.IV)
subject: Medical Physics (physics.med-ph)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Physical sciences

description: Objective: Bloch simulation constitutes an essential part of magnetic resonance imaging (MRI) development. However, even with the graphics processing unit (GPU) acceleration, the heavy computational load remains a major challenge, especially in large-scale, high-accuracy simulation scenarios. This work aims to develop a deep learning-based simulator to accelerate Bloch simulation. Approach: The simulator model, called Simu-Net, is based on an end-to-end convolutional neural network and is trained with synthetic data generated by traditional Bloch simulation. It uses dynamic convolution to fuse spatial and physical information with different dimensions and introduces position encoding templates to achieve position-specific labeling and overcome the receptive field limitation of the convolutional network. Main Results: Compared with mainstream GPU-based MRI simulation software, Simu-Net successfully accelerates simulations by hundreds of times in both traditional and advanced MRI pulse sequences. The accuracy and robustness of the proposed framework were verified qualitatively and quantitatively. Besides, the trained Simu-Net was applied to generate sufficient customized training samples for deep learning-based T2 mapping and comparable results to conventional methods were obtained in the human brain. Significance: As a proof-of-concept work, Simu-Net shows the potential to apply deep learning for rapidly approximating the forward physical process of MRI and may increase the efficiency of Bloch simulation for optimization of MRI pulse sequences and deep learning-based methods.
description: 18 pages, 8 figures
NFDI4Objects Community Cluster Semantic Modelling & Linked Open Data | TWGs: Meta-Index - Wikiversum - Wikibase - Maritimer Thesaurus
Creators: name: Thiery, Florian
name: Tolle, Karsten
name: Mees, Allard W.
Publisher: name: Squirrel Papers, via Zenodo
Year: 2023
Subjects: Q123573435
Q98229157

description: Das zentrale Thema dieses Clusters ist der interdisziplinäre Wissensaustausch auf dem Gebiet der interoperablen Wissensmodellierung objektbezogener Daten mit Hilfe von Semantik, um FAIRe Daten, insbesondere in Hinblick auf deren Nachvollziehbarkeit und Nachnutzung, zu ermöglichen.
A Short Scale Length for the α-Enhanced Thick Disk of the Milky Way: Evidence from Low-Latitude SEGUE Data
Creators: name: Cheng, Judy Y.
name: Rockosi, Constance M.
name: Morrison, Heather L.
name: Lee, Young Sun
name: Beers, Timothy C.
name: Bizyaev, Dmitry
name: Harding, Paul
name: Malanushenko, Elena
name: Malanushenko, Viktor
name: Oravetz, Daniel
name: Pan, Kaike
name: Schlesinger, Katharine J.
name: Schneider, Donald P.
name: Simmons, Audrey
name: Weaver, Benjamin A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We examine the α-element abundance ratio, [α/Fe], of 5620 stars, observed by the Sloan Extension for Galactic Understanding and Exploration survey in the region 6 kpc < R < 16 kpc, 0.15 kpc < |Z| < 1.5 kpc, as a function of Galactocentric radius R and distance from the Galactic plane |Z|. Our results show that the high-α thick disk population has a short scale length (L_thick ~ 1.8 kpc) compared to the low-αpopulation, which is typically associated with the thin disk. We find that the fraction of high-α stars in the inner disk increases at large |Z|, and that high-α stars lag in rotation compared to low-α stars. In contrast, the fraction of high-α stars in the outer disk is low at all |Z|, and high- and low-α stars have similar rotational velocities up to 1.5 kpc from the plane. We interpret these results to indicate that different processes were responsible for the high-α populations in the inner and outer disk. The high-α population in the inner disk has a short scale length and large scale height, consistent with a scenario in which the thick disk forms during an early gas-rich accretion phase. Stars far from the plane in the outer disk may have reached their current locations through heating by minor mergers. The lack of high-α stars at large R and |Z| also places strict constraints on the strength of radial migration via transient spiral structure.
description: 14 pages, 7 figures, accepted to The Astrophysical Journal
A Case of Advanced-Stage Sclerosing Cholangitis with Autoimmune Pancreatitis not Responsive to Steroid Therapy
Creators: name: Nakazawa, Takahiro
name: Naitoh, Itaru
name: Ando, Tomoaki
name: Hayashi, Kazuki
name: Okumura, Fumihiro
name: Miyabe, Katsuyuki
name: Yoshida, Michihiro
name: Ohara, Hirotaka
name: Joh, Takashi
Publisher: name: JOP. Journal of the Pancreas
Year: 2016
Subjects: Autoimmune Diseases; Cholangitis, Sclerosing; Pancreatitis; Steroids

description: Context Autoimmune pancreatitis and sclerosing cholangitis associated with autoimmune pancreatitis respond well to steroid therapy. Some criteria used for the differential diagnosis of autoimmune pancreatitis and sclerosing cholangitis with autoimmune pancreatitis include the response to a steroid trial. Case report A 68-year-old woman was diagnosed as having type 3 sclerosing cholangitis with autoimmune pancreatitis four years after clinical onset. Seven years after clinical onset, imaging findings revealed multiple pancreatic stones in an atrophic pancreas, stenosis of the main pancreatic duct in the head of the pancreas and upstream dilatation and a longer stretch of stenosis in the hilar hepatic region. We tried steroid therapy in an attempt to ameliorate stenosis of both the bile duct and the pancreatic duct and prevent further progression. Neither lesion responded to steroid therapy. Conclusion Advanced-stage sclerosing cholangitis with autoimmune pancreatitis may sometimes be unresponsive to steroid therapy, and this should be borne in mind when attempting a steroid trial for the diagnosis of sclerosing cholangitis with autoimmune pancreatitis. Early administration of steroid is important for the prevention of disease progression.

Image: ERCP by using a balloon catheter showing a longer stretch of stenosis in the hilar hepatic region.
description: JOP. Journal of the Pancreas, Vol 11, N° 1 (2010): January - P. 1-94
NFDI4Objects Community Cluster Research Software Engineering (RSE)
Creators: name: Thiery, Florian
name: Schubert, Lutz
Publisher: name: Squirrel Papers, via Zenodo
Year: 2023
Subjects: Q47258130
Q98229157

description: Das übergreifende Ziel dieses Clusters ist der interdisziplinäre Austausch im Bereich der Entwicklung nachhaltiger Forschungssoftware, welche selbst und die mit ihr produzierten Forschungsdaten FAIRedelt (FAIR4RS), nachhaltig verfügbar sowie möglichst umfangreich nachnutzbar macht.
Automated quantum error mitigation based on probabilistic error reduction
Creators: name: McDonough, Benjamin
name: Mari, Andrea
name: Shammah, Nathan
name: Stemen, Nathaniel T.
name: Wahl, Misty
name: Zeng, William J.
name: Orth, Peter P.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Emerging Technologies (cs.ET)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Current quantum computers suffer from a level of noise that prohibits extracting useful results directly from longer computations. The figure of merit in many near-term quantum algorithms is an expectation value measured at the end of the computation, which experiences a bias in the presence of hardware noise. A systematic way to remove such bias is probabilistic error cancellation (PEC). PEC requires a full characterization of the noise and introduces a sampling overhead that increases exponentially with circuit depth, prohibiting high-depth circuits at realistic noise levels. Probabilistic error reduction (PER) is a related quantum error mitigation method that systematically reduces the sampling overhead at the cost of reintroducing bias. In combination with zero-noise extrapolation, PER can yield expectation values with an accuracy comparable to PEC.Noise reduction through PER is broadly applicable to near-term algorithms, and the automated implementation of PER is thus desirable for facilitating its widespread use. To this end, we present an automated quantum error mitigation software framework that includes noise tomography and application of PER to user-specified circuits. We provide a multi-platform Python package that implements a recently developed Pauli noise tomography (PNT) technique for learning a sparse Pauli noise model and exploits a Pauli noise scaling method to carry out PER.We also provide software tools that leverage a previously developed toolchain, employing PyGSTi for gate set tomography and providing a functionality to use the software Mitiq for PER and zero-noise extrapolation to obtain error-mitigated expectation values on a user-defined circuit.
description: 11 pages, 9 figures
Recent developments and future prospects for using azolla as animal feed in livestock and poultry
Creators: name: Dr Badavath Rajender and Dr A Sudheer Babu
Publisher: name: The Science world a Monthly e magazine
Year: 2023

description: Azolla is a small, free-floating water fern with a global distribution. Azolla can be used as a feedstock because it is high in proteins, fatty acids, amino acids and vitamins.  Protein content in azolla species is in a range of 21–26%, dry matter, while fatty acids ranged from 41% to 66% dry matter. Azolla is rich in various classes of active compounds such as phenolic content, caffeoylquinic acid derivatives, tannins, and carotene. Azolla has been shown to improve the growth rate of animals, depending on the percent of inclusion in animal's diet. The most common species of azolla used as animals' feedstock is Azolla pinnata. The impact of azolla as a feed ingredient in the food production system on the environment has been addressed, including greenhouse gas emissions, carbon footprint, low land requirements, and amino acid-enriched feedstuffs.
A WFC3 study of globular clusters in NGC 4150 - an early-type minor merger
Creators: name: Kaviraj, Sugata
name: Crockett, R. Mark
name: Whitmore, Bradley C.
name: Silk, Joseph
name: O'Connell, Robert W.
name: Windhorst, Rogier A.
name: Mutchler, Max
name: Rejkuba, Marina
name: Yi, Sukyoung
name: Frogel, Jay A.
name: Calzetti, Daniela
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We combine near-ultraviolet (NUV; 2250 Å) and optical (U, B, V, I) imaging from the Wide Field Camera 3 (WFC3), on board the Hubble Space Telescope (HST), to study the globular cluster (GC) population in NGC 4150, a sub-L* (M_B ~ -18.48 mag) early-type minor-merger remnant in the Coma I cloud. We use broadband NUV-optical photometry from the WFC3 to estimate individual ages, metallicities, masses and line-of-sight extinctions [E_(B-V)] for 63 bright (M_V < -5 mag) GCs in this galaxy. In addition to a small GC population with ages greater than 10 Gyr, we find a dominant population of clusters with ages centred around 6 Gyr, consistent with the expected peak of stellar mass assembly in faint early-types residing in low-density environments. The old and intermediate-age GCs in NGC 4150 are metal-poor, with metallicities less than 0.1 ZSun, and reside in regions of low extinction (E_(B-V) < 0.05 mag). We also find a population of young, metal-rich (Z > 0.3 ZSun) clusters that have formed within the last Gyr and reside in relatively dusty (E_(B-V) > 0.3 mag) regions that are coincident with the part of the galaxy core that hosts significant recent star formation. Cluster disruption models (in which ~80-90% of objects younger than a few 10^8 yr dissolve every dex in time) suggest that the bulk of these young clusters are a transient population.
description: Submitted to MNRAS Letters
Changes in gambling and problem gambling in Oregon: Results from a replication study, 1997 to 2000
Creators: name: Volberg, Rachel A.
Publisher: name: Gemini Research, Ltd.
Year: 2001
Subjects: subject: Gambling -- Oregon
subject: Compulsive gambling -- Oregon
subject: Gambling Literature

description: Permission to archive report in repository granted by Wendy Hausotter, Public Health and Prevention Coordinator, Addictions and Mental Health Division, Problem Gambling Services.
description: The purpose of this study was to examine changes in gambling participation and the prevalence of gambling-related problems in Oregon between 1997 and 2000. A sample of Oregon residents aged 18 and over (N=1,500) was interviewed between October and December, 2000, about the types of gambling they had tried, the amounts of money they spend on gambling, and about gambling-related difficulties. The results of this study will be useful in documenting the impact of legal gambling on the citizens of Oregon and in refining the services available to individuals in Oregon with gambling-related difficulties.
Status of the singlino-dominated dark matter in general Next-to-Minimal Supersymmetric Standard Model
Creators: name: Cao, Junjie
name: Jia, Xinglong
name: Meng, Lei
name: Yue, Yuanfang
name: Zhang, Di
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: With the rapid progress of dark matter direct detection experiments, the attractiveness of the popular bino-dominated dark matter in economical supersymmetric theories is fading. As an alternative, the singlino-dominated dark matter in general Next-to-Minimal Supersymmetric Standard Model (NMSSM) is paying due attention. This scenario has the following distinct characteristics: free from the tadpole problem and the domain-wall problem of the NMSSM with a $Z_3$-symmetry, predicting more stable vacuum states than the $Z_3$-NMSSM, capable of forming an economical secluded dark matter sector to yield the dark matter experimental results naturally, and readily weaken the restrictions from the LHC search for SUSY. Consequently, it can explain the muon g-2 anomaly in broad parameter space that agrees with various experimental results while simultaneously breaking the electroweak symmetry naturally. In this study, we show in detail how the scenario coincides with the experiments, such as the SUSY search at the LHC, the dark matter search by the LZ experiment, and the improved measurement of the muon g-2. We provide a simple and clear picture of the physics inherent in the general NMSSM.
Land consumption in Italy
Creators: name: Strollo, Andrea
name: Smiraglia, Daniela
name: Bruno, Roberta
name: Assennato, Francesca
name: Congedo, Luca
name: Fioravante, Paolo De
name: Giuliani, Chiara
name: Marinosci, Ines
name: Riitano, Nicola
name: Munafò, Michele
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Science Policy

description: This paper illustrates a land consumption map for Italy (year 2017) at a scale 1:1,300,000, and the assessment of its changes (2012–2017). We define land consumption as the replacement of a non-artificial land cover to an artificial land cover, both permanent and no-permanent. The maps are a 10 m spatial resolution raster, produced by photointerpretation of very high resolution images and semiautomatic classification of high resolution remote sensing images. An overall accuracy of 97.7% for the map of 2012 and of 99.66% for the map of 2017 was obtained. The results suggest that the method proposed is appropriate to detect land consumption, both for the urban densification and for the sprawling phenomena, from national to local level. Furthermore, because of the high spatial resolution and the classification scheme adopted, it is suitable for an effective monitoring system, compared to other existing classification systems or monitoring programs.