cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Distinguishing the time course of lexical and discourse processes through context, coreference, and quantified expressions.
Creators: name: Huang, Yi Ting
name: Gordon, Peter C.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2011

description: How does prior context influence lexical- and discourse-level processing during real-time language comprehension? Experiment 1 examined whether the referential ambiguity introduced by a repeated, anaphoric expression had an immediate or delayed effect on lexical and discourse processing, using an eye-tracking while reading task. Eye-movements indicated facilitated recognition of repeated expressions, suggesting that prior context can rapidly influence lexical processing. However, context effects at the discourse level affected later processing, appearing in longer regression-path durations two words after the anaphor and in greater re-reading times of the antecedent expression. Experiments 2 and 3 explored the nature of this delay by examining the role of the preceding context in activating relevant representations. Off-line and on-line interpretations confirmed that relevant referents were activated following the critical context. Nevertheless, their initial unavailability during comprehension suggests a robust temporal division between lexical- and discourse-level processing.
Properties of shocked dust grains in supernova remnants
Creators: name: Priestley, F. D.
name: Chawner, H.
name: Barlow, M. J.
name: De Looze, I.
name: Gomez, H. L.
name: Matsuura, M.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Shockwaves driven by supernovae both destroy dust and reprocess the surviving grains, greatly affecting the resulting dust properties of the interstellar medium (ISM). While these processes have been extensively studied theoretically, observational constraints are limited. We use physically-motivated models of dust emission to fit the infrared (IR) spectral energy distributions of seven Galactic supernova remnants, allowing us to determine the distribution of dust mass between diffuse and dense gas phases, and between large and small grain sizes. We find that the dense ($\sim 10^3 \,{\rm cm}^{-3}$), relatively cool ($\sim 10^3 \, {\rm K}$) gas phase contains $>90\%$ of the dust mass, making the warm dust located in the X-ray emitting plasma ($\sim 1 \,{\rm cm}^{-3}$/$10^6 \, {\rm K}$) a negligible fraction of the total, despite dominating the mid-IR emission. The ratio of small ($\lesssim 10 \, {\rm nm}$) to large ($\gtrsim 0.1 \, {\rm μm}$) grains in the cold component is consistent with that in the ISM, and possibly even higher, whereas the hot phase is almost entirely devoid of small grains. This suggests that grain shattering, which processes large grains into smaller ones, is ineffective in the low-density gas, contrary to model predictions. Single-phase models of dust destruction in the ISM, which do not account for the existence of the cold swept-up material containing most of the dust mass, are likely to greatly overestimate the rate of dust destruction by supernovae.
description: 13 pages, 12 figures. MNRAS accepted
Mobility enhancement and temperature dependence in top-gated single-layer MoS2
Creators: name: Ong, Zhun-Yong
name: Fischetti, Massimo V.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The deposition of a high-$κ$ oxide overlayer is known to significantly enhance the room-temperature electron mobility in single-layer MoS$_{2}$ (SLM) but not in single-layer graphene (SLG). We give a quantitative account of how this mobility enhancement is due to the non-degeneracy of the two-dimensional electron gas system in SLM at accessible temperatures. Using our charged impurity scattering model [Ong and Fischetti, Phys. Rev. B 86, 121409 (2012)] and temperature-dependent polarizability, we calculate the charged impurity-limited mobility ($μ_{\textrm{imp}}$) in SLM with and without a high-$κ$ (HfO$_{2}$) top gate oxide at different electron densities and temperatures. We find that the mobility enhancement is larger at low electron densities and high temperatures because of finite-temperature screening, thus explaining the enhancement of the mobility observed at room temperature. $μ_{\textrm{imp}}$ is shown to decrease significantly with increasing temperature, suggesting that the strong temperature dependence of measured mobilities should not be interpreted as being solely due to inelastic scattering with phonons. We also reproduce the recently seen experimental trend in which the temperature scaling exponent ($γ$) of $μ_{\textrm{imp}}\propto T^{-γ}$ is smaller in top-gated SLM than in bare SLM. Finally, we show that a $\sim37$ percent mobility enhancement can be achieved by reducing the HfO$_{2}$ thickness from 20 to 2 nm.
description: 8 pages, 6 figures
title: DAT-scan in diagnosis of idiopathic Parkinson's disease
Creators: name: Nakamura, Satoru
Publisher: name: European Congress of Radiology
Year: 2017
Subjects: subject: CNS
subject: Nuclear medicine conventional
subject: Diagnostic procedure
subject: Dementia

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: We reveal the ability of DAT-scan diagnosis of idiopathic Parkinson's disease (IPD) in our...
Increasing the raw contrast of VLT/SPHERE with the dark-hole technique. II. On-sky wavefront correction and coherent differential imaging
Creators: name: Potier, Axel
name: Mazoyer, Johan
name: Wahhaj, Zahed
name: Baudoz, Pierre
name: Chauvin, Gael
name: Galicher, Raphael
name: Ruane, Garreth
Publisher: name: arXiv
Year: 2022
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Context. Direct imaging of exoplanets takes advantage of state-of-the-art adaptive optics (AO) systems, coronagraphy, and post-processing techniques. Coronagraphs attenuate starlight to mitigate the unfavorable flux ratio between an exoplanet and its host star. AO systems provide diffraction-limited images of point sources and minimize optical aberrations that would cause starlight to leak through coronagraphs. Post-processing techniques then estimate and remove residual stellar speckles such as noncommon path aberrations (NCPAs) and diffraction from telescope obscurations. Aims. We aim to demonstrate an efficient method to minimize the speckle intensity due to NCPAs during an observing night on VLT/SPHERE. Methods. We implement an iterative dark-hole (DH) algorithm to remove stellar speckles on-sky before a science observation. It uses a pair-wise probing estimator and a controller based on electric field conjugation. This work presents the first such on-sky minimization of speckles with a DH technique on SPHERE. Results. We show the standard deviation of the normalized intensity in the raw images is reduced by a factor of up to 5 in the corrected region with respect to the current calibration strategy under median conditions for VLT. This level of contrast performance obtained with only 1 min of exposure time reaches median performances on SPHERE that use post-processing methods requiring 1h-long sequences of observations. We also present an alternative calibration method that takes advantage of the starlight coherence and improves the post-processed contrast levels rms by a factor of about 3. Conclusions. This on-sky demonstration represents a decisive milestone for the future design, development, and observing strategy of the next generation of ground-based exoplanet imagers for 10m to 40m telescope.
description: Accepted in Astronomy & Astrophysics
It’s hard to offend the college: Effects of sentence structure on figurative-language processing.
Creators: name: Gordon, Peter C.
name: Lowder, Matthew W.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2013

description: Previous research has given inconsistent evidence about whether familiar metonyms are more difficult to process than literal expressions. In two eye-tracking while reading experiments, we tested the hypothesis that the difficulty associated with processing metonyms would depend on sentence structure. Experiment 1 examined comprehension of familiar place-for-institution metonyms (e.g., college) when they were an argument of the main verb and showed that they are more difficult to process in a figurative context (e.g., offended the college) than in a literal context (e.g., photographed the college). Experiment 2 demonstrated that when they are arguments of the main verb, familiar metonyms are more difficult to process than frequency-and-length-matched nouns that refer to people (e.g., offended the leader), but that this difficulty was reduced when the metonym appeared as part of an adjunct phrase (e.g., offended the honor of the college). The results support the view that figurative-language processing is moderated by sentence structure. When the metonym was an argument of the verb, the results were consistent with the pattern predicted by the indirect-access model of figurative-language comprehension. In contrast, when the metonym was part of an adjunct phrase, the results were consistent with the pattern predicted by the direct-access model.
See before you jump: Full recognition of parafoveal words precedes skips during reading.
Creators: name: Plummer, Patrick
name: Choi, Wonil
name: Gordon, Peter C.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2013

description: Serial attention models of eye-movement control during reading were evaluated in an eye-tracking experiment that examined how lexical activation combines with visual information in the parafovea to affect word skipping (where a word is not fixated during first-pass reading). Lexical activation was manipulated by repetition priming created through prime-target pairs embedded within a sentence. The boundary technique (Rayner, 1975) was used to determine whether the target word was fully available during parafoveal preview or whether it was available with transposed letters (e.g., Herman changed to Hreman). With full parafoveal preview, the target word was skipped more frequently when it matched the earlier prime word (i.e., was repeated) than when it did not match the earlier prime word (i.e., was new). With transposed-letter (TL) preview, repetition had no effect on skipping rates despite the great similarity of the TL preview string to the target word and substantial evidence that TL strings activate the words from which they are derived (Perea & Lupker, 2003). These results show that lexically-based skipping is based on full recognition of the letter string in parafoveal preview and does not involve using the contextual constraint to compensate for the reduced information available from the parafovea. These results are consistent with models of eye-movement control during reading in which successive words in a text are processed one at a time (serially) and in which word recognition strongly influences eye movements.
The manuscript that we finished: Structural separation reduces the cost of complement coercion.
Creators: name: Gordon, Peter C.
name: Lowder, Matthew W.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: Two eye-tracking experiments examined the effects of sentence structure on the processing of complement coercion, in which an event-selecting verb combines with a complement that represents an entity (e.g., began the memo). Previous work has demonstrated that these expressions impose a processing cost, which has been attributed to the need to type-shift the entity into an event in order for the sentence to be interpretable (e.g., began writing the memo). Both experiments showed that the magnitude of the coercion cost was reduced when the verb and complement appeared in separate clauses (e.g., The memo that was begun by the secretary; What the secretary began was the memo) compared to when the constituents appeared together in the same clause. The moderating effect of sentence structure on coercion is similar to effects that have been reported for the processing of two other types of semantically complex expressions (inanimate subject-verb integration and metonymy). We propose that sentence structure influences the depth at which complex semantic relationships are computed. When the constituents that create the need for a complex semantic interpretation appear in a single clause, readers experience processing difficulty stemming from the need to detect and/or resolve the semantic mismatch. In contrast, the need to engage in additional processing is reduced when the expression is established across a clause boundary or other structure that deemphasizes the complex relationship.
Plagiolepis pygmaea , Latr
Creators: name: Crawley, W. C.
Publisher: name: Zenodo
Year: 1920
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Plagiolepis
Plagiolepis pygmaea

description: Plagiolepis pygmaea, Latr. ☿. Amara, 1918 (Evans).
description: Published as part of Crawley, W. C., 1920, Ants from Mesopotamia and north-west Persia (concluded), pp. 177-179 in Entomologists Record and Journal of Variation 32 on page 1, DOI: 10.5281/zenodo.15001
Dropouts of Fully Stripped Ions in the Solar Wind: A Diagnostic for Wave Heating versus Reconnection
Creators: name: Raymond, John C.
name: Asgari-Targhi, M.
name: Wilson, Maurice L.
name: Rivera, Yeimy J.
name: Lepri, Susan T
name: Shen, Chengcai
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Plasma Physics (physics.plasm-ph)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: The SWICS instrument aboard the ACE satellite has detected frequent intervals in the slow solar wind and interplanetary coronal mass ejections (ICMEs) in which C6+ and other fully stripped ions are strongly depleted, though the ionization states of elements such as Si and Fe indicate that those ions should be present. It has been suggested that these outlier or dropout events can be explained by the resonant cyclotron heating process, because these ions all have the same cyclotron frequency as He2+. We investigate the region in the corona where these outlier events form. It must be above the ionization freeze-in height and the transition to collisionless plasma conditions, but low enough that the wind still feels the effects of solar gravity. We suggest that the dropout events correspond to relatively dense blobs of gas in which the heating is reduced because local variations in the Alfven speed change the reflection of Alfven waves and the turbulent cascade. As a result, the wave power at the cyclotron frequency of the fully stripped ions is absorbed by He2+ and may not be able to heat the other fully-stripped ions enough to overcome solar gravity. If this picture is borne out, it may help to discriminate between resonant cyclotron heating and stochastic heating models of the solar wind.
Strain effect and intermixing at the Si surface: A hybrid quantum and molecular mechanics study
Creators: name: Béland, Laurent Karim
name: Machado-Charry, Eduardo
name: Pochet, Pascal
name: Mousseau, Normand
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We investigate Ge mixing at the Si(001) surface and characterize the $2\times N$ Si(001) reconstruction by means of hybrid quantum and molecular mechanics calculations (QM/MM). Avoiding fake elastic dampening, this scheme allows to correctly take into account long range deformation induced by reconstruted and defective surfaces. We focus in particular on the dimer vacancy line (DVL) and its interaction with Ge adatoms. We first show that calculated formation energies for these defects are highly dependent on the choice of chemical potential and that the latter must be chosen carefully. Characterizing the effect of the DVL on the deformation field, we also find that the DVL favors Ge segregation in the fourth layer close to the DVL. Using the activation-relaxation technique (ART nouveau) and QM/MM, we show that a complex diffusion path permits the substitution of the Ge atom in the fourth layer, with barriers compatible with mixing observed at intermediate temperature.
description: 11 pages, 7 figures, 3 tables
Evidence for an interaction between the Galactic Center clouds M0.10-0.08 and M0.11-0.11
Creators: name: Butterfield, Natalie O.
name: Lang, Cornelia C.
name: Ginsburg, Adam
name: Morris, Mark R.
name: Ott, Juergen
name: Ludovici, Dominic A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present high-resolution (~2-3"; ~0.1 pc) radio observations of the Galactic center cloud M0.10-0.08 using the Very Large Array at K and Ka band (~25 and 36 GHz). The M0.10-0.08 cloud is located in a complex environment near the Galactic center Radio Arc and the adjacent M0.11-0.11 molecular cloud. From our data, M0.10-0.08 appears to be a compact molecular cloud (~3 pc) that contains multiple compact molecular cores (5+; <0.4 pc). In this study we detect a total of 15 molecular transitions in M0.10-0.08 from the following molecules: NH3, HC3N, CH3OH, HC5N, CH3CN, and OCS. We have identified more than sixty 36 GHz CH3OH masers in M0.10-0.08 with brightness temperatures above 400 K and 31 maser candidates with temperatures between 100-400 K. We conduct a kinematic analysis of the gas using NH3 and detect multiple velocity components towards this region of the Galactic center. The bulk of the gas in this region has a velocity of 51.5 km/s (M0.10-0.08) with a lower velocity wing at 37.6 km/s. We also detect a relatively faint velocity component at 10.6 km/s that we attribute to being an extension of the M0.11-0.11 cloud. Analysis of the gas kinematics, combined with past X-ray fluorescence observations, suggests M0.10-0.08 and M0.11-0.11 are located in the same vicinity of the Galactic center and could be physically interacting.
description: Accepted for publication in the Astrophysical Journal
title: The patchiness of some intertidal communities on Manx rocky shores.
Creators: name: C. Cushnie, Graeme
Publisher: name: University of Liverpool Repository
Year: 2023

description: This study investigated the factors that maintain the patchiness of various rocky shore communities, particularly the roles of physical disturbance and biological interactions. Three communities were studied: a rnidshore red algal turf dominated by Laurencia pinnatifida, a Cladophora rupestris turf that dominated an area of the lowshore'and a fucoidbarnacle mosaic in the rnidshore that was interspersed by limpets. The study of the Laurencia turf showed it to be extremely stable once established and that its primary mode of recolonisation was by vegetative encroachment. Because of its slow growth L. pinnatifida did not recolonise and dominate any gaps that occurred in the turf within the timescale of this study. The Cladophora rupestris community was not only extremely stable, but was also persistent. Cladophora rupestris returned as the dominant alga to disturbed areas irrespective of the size, shape or season of the disturbance and this may have been because of processes involving the inhibition of other species such as Fucus serratus by early successional species which Cladophora rupestris could tolerate. Repeated disturbance events may have broken such inhibitions, enabling other species to colonise the substratum to higher levels of abundance than would normally have occurred. In the Laurencia and Cladophora turfs few limpets were required to maintain gaps in the turf, but these areas were rapidly recolonised by algae if all limpets were removed. The gaps in the Cladophora turf became dominated by Cladophora rupestris, however, in the Laurencia turf Laurencia pinnatifida did not recolonise the gaps that had been kept clear by limpet grazing. In the midshore fucoid, barnacle and limpet community the limpet densities had to be reduced to half of the natural levels to permit the colonisation of barnacle matrix by algae. The cover by FUCllS vesiculosus was .inversely related to the density of limpets, with the largest values being obtained in areas that were devoid of limpets. The effect of modifying the environmental conditions, by shading and watering the barnacle matrix, on the establishment of Fucus vesiculosus germlings was also studied. This showed that more shade tended to result in a greater number of fucoid escapes, possibly because of insolation stress and photoinhibition of the germlings on the unshaded substratum. The persistence offucoid patches was found to be affected by both the size of the area and the duration for which it was protected from limpet grazing. From the studies I carried out it is apparent that there were several forms of patchiness on the moderately exposed rocky shores on the south coast of the Isle of Man. These result from the vertical environmental stress gradient and interactions between plants and animals and in each case the exact sequence of events that followed a disturbance, depended on the species involved.
title: Possibilities of 3D evaluation of postmortem MR tomograms in determining pulmonary hypoplasia as a cause of newborn death
Creators: name: Serova, Natalya
Publisher: name: European Congress of Radiology
Year: 2017
Subjects: subject: Hernia
subject: Forensics
subject: Congenital
subject: Diagnostic procedure
subject: Computer Applications-3D
subject: MR
subject: Obstetrics (Pregnancy / birth / postnatal period)
subject: Lung
subject: Forensic / Necropsy studies

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: The frequency of congenital diaphragmatic hernia (CDH) varies from 1 to 2,000-5,000 newborns and accounts for about 8% of all congenital anomalies [1–3]. Development of CDH is accompanied by high rates of lethal outcomes, which reach 70-90%...
Too tired to tell the truth: Self-control resource depletion and dishonesty
Creators: name: Schweitzer, Maurice E.
name: Mead, Nicole L.
name: Gino, Francesca
name: Ariely, Dan
name: Baumeister, Roy F.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2009

description: The opportunity to profit from dishonesty evokes a motivational conflict between the temptation to cheat for selfish gain and the desire to act in a socially appropriate manner. Honesty may depend on self-control given that self-control is the capacity that enables people to override antisocial selfish responses in favor of socially desirable responses. Two experiments tested the hypothesis that dishonesty would increase when people’s self-control resources were depleted by an initial act of self-control. Depleted participants misrepresented their performance for monetary gain to a greater extent than did non-depleted participants (Experiment 1). Perhaps more troubling, depleted participants were more likely than non-depleted participants to expose themselves to the temptation to cheat, thereby aggravating the effects of depletion on cheating (Experiment 2). Results indicate that dishonesty increases when people’s capacity to exert self-control is impaired, and that people may be particularly vulnerable to this effect because they do not predict it.
title: Radiologic and pathologic features of Subacute combined degeneration of the spinal cord (funicular myelosis )
Creators: name: Ishchenko, Michael
Publisher: name: European Congress of Radiology
Year: 2017
Subjects: subject: Neuroradiology spine
subject: MR
subject: Diagnostic procedure
subject: Metabolic disorders

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: 1. To know the epidemiology, etiology, symptoms of vitamin B12 deficiency. 2. To understand the typical MRI findings in patients with Subacute combined degeneration of the cord (funicular myelosis) 3. To illustrate the modalities of writing a...
Modulation of Magnetosonic Waves by Background Plasma Density in a Dipole Magnetic Field: 2-D PIC Simulation
Creators: name: Sun, Jicheng
name: Lu, Quanming
name: Wang, Xueyi
name: Liu, Xu
name: Gao, Xinliang
name: Yang, Huigen
Publisher: name: American Geophysical Union
Year: 2021

description: Recent satellite observations, combined with instability analyses, have shown that the background plasma density variation can modulate the magnetosonic (MS) waves by controlling the wave excitation. However, the detailed modulation process needs to be identified since the MS waves propagate nearly perpendicular to the background magnetic field. In this study, we investigate the MS wave modulation by background plasma density using a 2-D general curvilinear particle-in-cell simulation in the meridian plane of a dipole magnetic field. The simulation model consists of three plasma components: the background cold electrons and protons and ring distribution protons. We find that MS waves can be locally generated by ring distribution protons in the low plasma density region, while no MS wave is generated in the high density region. These MS waves are confined near the local source region since they are damped by the background cold plasma. The background protons gain more energy than background electrons, implying the plasmaspheric protons may dominate the modulation of MS waves. Moreover, we have also investigated the generation and propagation of MS waves in the plasmapause density structure. Our simulation results demonstrate that the background plasma density variation can modulate the MS waves and may play an important role in the spatial distribution of MS waves.
Trumpler 16-26: A New Centrifugal Magnetosphere Discovered via SDSS/APOGEE H-band Spectroscopy
Creators: name: Chojnowski, S. Drew
name: Hubrig, Swetlana
name: Labadie-Bartz, Jonathan
name: Rivinius, Thomas
name: Scholler, Markus
name: Niemczura, Ewa
name: Nidever, David L.
name: Stutz, Amelia M.
name: Hummel, C. A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We report the discovery of a new example of the rare class of highly magnetized, rapidly rotating, helium enhanced, early B stars that produce anomalously wide hydrogen emission due to a centrifugal magnetosphere (CM). The star is Trumpler 16-26, a B1.5 V member of the Trumpler 16 open cluster. A CM was initially suspected based on hydrogen Brackett series emission observed in SDSS/APOGEE $H$-band spectra. Similar to the other stars of this type, the emission was highly variable and at all times remarkable due to the extreme velocity separations of the double peaks (up to 1300 km s$^{-1}$.) Another clue lay in the TESS lightcurve, which shows two irregular eclipses per cycle when phased with the likely 0.9718115 day rotation period, similar to the behavior of the well known CM host star $σ$ Ori E. To confirm a strong magnetic field and rotation-phase-locked variability, we initiated a follow-up campaign consisting of optical spectropolarimetry and spectroscopy. The associated data revealed a longitudinal magnetic field varying between $-3.1$ and $+1.6$ kG with the period found from photometry. The optical spectra confirmed rapid rotation ($v \sin i=195$ km s$^{-1}$), surface helium enhancement, and wide, variable hydrogen emission. Tr16-26 is thus confirmed as the 20$^{\rm th}$ known, the fourth most rapidly rotating, and the faintest CM host star yet discovered. With a projected dipole magnetic field strength of $B_{\rm d}>11$ kG, Tr16-26 is also among the most magnetic CM stars.
title: CT guided percutaneous drainage of retroperitoneal abcesses in HIV positive patients
Creators: name: Mellou, Vasiliki
Publisher: name: European Congress of Radiology
Year: 2017
Subjects: subject: Infection
subject: Abscess
subject: Drainage
subject: MR
subject: CT
subject: Interventional non-vascular
subject: Retroperitoneum

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: The purpose of this retrospective study is to demonstrate the safety and efficacy of CT guided percutaneous drainage of retroperitoneal abscesses in HIV positive...
Magneto-optical Kerr effect in Weyl semimetals with broken inversion and time-reversal symmetries
Creators: name: Trépanier, Olivier
name: Duchesne, Rémi N.
name: Boudreault, Jérémie J.
name: Côté, René
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: The topological nature of the band structure of a Weyl semimetal leads to a number of unique transport and optical properties. For example, the description of the propagation of an electromagnetic wave in a Weyl semimetal with broken time-reversal and inversion symmetry, for example, requires a modification of the Maxwell equations by the axion field $θ\left( \mathbf{r},t\right) =2\mathbf{b}\cdot \mathbf{r}-2b_{0}t,$ where $2% \mathbf{b}$ is the separation in wave vector space between two Weyl nodes of opposite chiralities and $2\hslash b_{0}$ is their separation in energy. In this paper, we study theoretically how the axion terms $b_{0}$ and $\bf{b}$ modify the frequency behavior of the Kerr rotation and ellipticity angles $θ_{K}\left( ω\right) $ and $ψ_{K}\left( ω\right) $ in a Weyl semimetal. Both the Faraday and Voigt configurations are considered since they provide different information on the electronic transitions and plasmon excitation. We derive the Kerr angles firstly without an external magnetic field where the rotation of the polarization is only due to the axion terms and secondly in a strong magnetic field where these terms compete with the gyration effect of the magnetic field. In this latter case, we concentrate on the ultra-quantum limit where the Fermi level lies in the chiral Landau level and the Kerr and ellipticity angles have more complex frequency and magnetic field behaviors.
description: 21 pages with 14 PDF figures
A Stringy (Holographic) Pomeron with Extrinsic Curvature
Creators: name: Qian, Yachao
name: Zahed, Ismail
Publisher: name: arXiv
Year: 2014
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We model the soft pomeron in QCD using a scalar Polyakov string with extrinsic curvature in the bottom-up approach of holographic QCD. The overall dipole-dipole scattering amplitude in the soft pomeron kinematics is shown to be sensitive to the extrinsic curvature of the string for finite momentum transfer. The characteristics of the diffractive peak in the differential elastic $pp$ scattering are affected by a small extrinsic curvature of the string.
description: 9 pages, 4 figures
MPEC 2024-R334 : 2024 RU16
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2024 RU16

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Strangers in sync: Achieving embodied rapport through shared movements
Creators: name: Fredrickson, Barbara L.
name: Vacharkulksemsuk, Tanya
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2012

description: This paper examines the emergence of behavioral synchrony among strangers in the context of self-disclosure, and their path in predicting interaction quality. Specifically, we hypothesize that behavioral synchrony mediates the direct effect of self-disclosure on the development of embodied rapport. Same-sex stranger pairs (n=94) were randomly assigned to a videorecorded self-disclosure or control condition, and afterward each member rated their social interaction. Following the procedure used by Bernieri, Reznick, & Rosenthal (1988), two trained judges independently watched each video record and rated each pair interaction on behavioral synchrony. Bootstrapping analyses provide support for the hypothesized mediating effect of behavioral synchrony, which emerged as independent of the effects of self-other overlap and positive affect. The authors discuss implications of behavioral synchrony for relationship formation processes and the inevitable entwinement of behavior and judgments in light of embodied cognition.
Effect of IMF B-y on the Entry of Solar Wind Ions Into the Near-Earth Tail Lobe: Global Hybrid Simulation and MMS Observation
Creators: name: Wang, Chih-Ping
name: Xing, Xiaoyan
name: Wang, Xueyi
name: Avanov, Levon
name: Lin, Yu
name: Strangeway, Robert
name: Wei, H
Publisher: name: American Geophysical Union
Year: 2022

description: Global simulations predict that the low-latitude mantle may be an important pathway for the solar wind entry into the tail magnetosphere close to the current sheet when interplanetary magnetic field (IMF) B-y dominates over IMF B-z. To evaluate this entry mechanism in the near-Earth tail (X similar to -10--20 R-E), we investigate the predictions from 3D global hybrid simulations as well as in situ observations by magnetospheric multiscale (MMS) spacecraft. The simulations predict that the low-latitude mantle plasma can appear in the near-Earth tail lobe extending inward approximately 5 R-E from the flank magnetopause. The low-latitude mantle plasma appears in the dawnside northern lobe and duskside southern lobe during positive IMF B-y, while the opposite asymmetry is seen during negative IMF B-y. After a change in the IMF B-y direction arriving at the bow shock nose, it takes another similar to 15-30 min for the asymmetry to completely reverse to the opposite sense in the near-Earth tail. We present six MMS events in the tail lobe showing that the existence and absence of the low-latitude mantle plasma is consistent with the predicted asymmetries. Statistical analysis of 5 years of MMS observations shows that the dependencies of the magnitudes of the lobe densities and tailward field-aligned flow speeds on the IMF B-y directions are consistent with the predicted contributions from the low-latitude mantle plasma in the expected lobe regions.
Determinants of serum cotinine and hair cotinine as biomarkers of childhood secondhand smoke exposure
Creators: name: Hammond, S Katherine
name: Bernert, John T
name: Hornung, Richard W
name: Braun, Joe M
name: Kalkbrenner, Amy E
name: Lanphear, Bruce P
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2010

description: Understanding the determinants of childhood secondhand smoke (SHS) exposure is important in measuring and preventing exposure to this widespread environmental contaminant. We evaluated the ability of a broad set of factors to explain variability in serum cotinine, reflecting recent exposure, and hair cotinine, reflecting longer-term exposure. We included repeated measures from 223 elementary-school-age asthmatic children residing with a smoker. We used a manual model-building approach and likelihood ratio tests to select a model predicting each biomarker, and also compared the predictive ability of determinants using Akaike Information Criteria. Potential determinants included a comprehensive parent questionnaire, household nicotine, home ventilation characteristics, exposure in vehicles and others’ homes, child demographics, and family social class. Variables in each of these categories remained in the final model for both serum (R2 of 0.61) and hair cotinine (R2 of 0.45). A comprehensive set of factors was required to best predict cotinine. Studies should use biomarkers for the best quantitative assessment of SHS exposure. Hair cotinine may be a problematic measure because it was highly influenced by racial differences that were unexplained by SHS exposure. When biospecimen collection is not possible, a household nicotine measurement is warranted. If only questionnaires are available, multiple questions are required to best characterize exposure, such as number of cigarettes, hours spent in a room with concurrent smoking, maternal smoking, and approximate home size.
Dikkat Eksikliği ve Hiperaktivite Bozukluğu Üzerine Derleme Çalışması
Creators: name: RADO, Filiz
Publisher: name: Zenodo
Year: 2024

description: Bu derleme çalışmasının amacı dikkat eksikliği ve hiperaktivite olan bireylerin belirtilerini ve tedavi şeklini incelemektir. Yapılan bu çalışmada derleme yöntemi kullanılmış olup saha çalışması ya da herhangi bir ölçek kullanılmamıştır. Türkçe ve İngilizce dillerinden ele alınan çalışmalar 2010-2024 yılları arasındadır. Bu derleme çalışması Haziran, 2024 ve Temmuz, 2024 olmak üzere iki aşamada gerçekleşmiştir. Yapılan literatür taraması sonucunda Dikkat Eksikliği Hiperaktivite Bozukluğu, okul öncesi dönemde başlayıp yetişkinlikte de devam edebilen, aşırı hareketlilik, kısa dikkat süresi ve dürtüsellikle karakterize bir durumdur. Çocuklarda sık görülen psikiyatrik bozukluklardan biri olarak kabul edilir ve tedavi edilmediği takdirde çocuğun ruhsal, sosyal gelişimini ve eğitim hayatını olumsuz yönde etkileyebilir. Dikkat eksikliği ve hiperaktivite bozukluğunun etyolojisi tam olarak bilinmemekle birlikte, genetik, nörolojik ve psikososyal etkenlerin söz konusu olduğu ortaya konulmuştur.
Drinking water turbidity and emergency department visits for gastrointestinal illness in Atlanta, 1993–2004
Creators: name: Uber, Jim
name: Tinker, Sarah C
name: Moe, Christine L
name: Amirtharajah, Appiah
name: Klein, Mitchel
name: Flanders, W Dana
name: Tolbert, Paige E
name: Singer, Philip
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2010

description: The extent to which drinking water turbidity measurements indicate the risk of gastrointestinal illness is not well-understood. Despite major advances in drinking water treatment and delivery, infectious disease can still be transmitted through drinking water in the U.S., and it is important to have reliable indicators of microbial water quality to inform public health decisions. The objective of our study was to assess the relationship between gastrointestinal illness, quantified through emergency department visits, and drinking water quality, quantified as raw water and filtered water turbidity measured at the treatment plant.
title: Indeterminate breast lesions - experience in a specialist unit
Creators: name: Meikle, Ashley
Publisher: name: European Congress of Radiology
Year: 2017
Subjects: subject: Cancer
subject: Biopsy
subject: Ultrasound
subject: Breast

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: Ultrasound remains a gold standard in breast imaging. In our centre, we use a modified BIRADS system with Stavros criteria.In ourstudy we analysed the indeterminate lesions to ascertain malignant potential within this subgroup and to determine ways...
Consumer product exposures associated with urinary phthalate levels in pregnant women
Creators: name: Herring, Amy H
name: Matuszewski, Jeanine M
name: Buckley, Jessie P
name: Hoppin, Jane A
name: Palmieri, Rachel T
name: Baird, Donna D
name: Hartmann, Katherine E
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2012

description: Human phthalate exposure is ubiquitous, but little is known regarding predictors of urinary phthalate levels. To explore this, 50 pregnant women aged 18–38 years completed two questionnaires on potential phthalate exposures and provided a first morning void. Urine samples were analyzed for 12 phthalate metabolites. Associations with questionnaire items were evaluated via Wilcoxon tests and t-tests, and r-squared values were calculated in multiple linear regression models. Few measured factors were statistically significantly associated with phthalate levels. Individuals who used nail polish had higher levels of mono-butyl phthalate (p=0.048) than non-users. Mono-benzyl phthalate levels were higher among women who used eye makeup (p=0.034) or used makeup on a regular basis (p=0.004). Women who used cologne or perfume had higher levels of di-(2-ethylhexyl) phthalate metabolites. Household products, home flooring or paneling, and other personal care products were also associated with urinary phthalates. The proportion of variance in metabolite concentrations explained by questionnaire items ranged between 0.31 for mono-ethyl phthalate and 0.42 for mono-n-methyl phthalate. Although personal care product use may be an important predictor of urinary phthalate levels, most of the variability in phthalate exposure was not captured by our relatively comprehensive set of questionnaire items.
Magnetic field measurements of sharp-lined Ap stars
Creators: name: Järvinen, S. P.
name: Hubrig, S.
name: Jayaraman, R.
name: Ilyin, I.
name: Schöller, M.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Previous observations suggested that Ap and Bp stars exhibit a bimodal distribution of surface magnetic field strengths and that actually only few or no stars exist with magnetic dipole field strengths below 300 G down to a few Gauss. As the number of Ap and Bp stars currently known to possess weak magnetic fields is not large, it is necessary to carry out additional spectropolarimetric studies of Ap and Bp stars to prove whether the assumption of the existence of a critical value for the stability of magnetic fields is realistic. In this study, we present high-resolution HARPSpol magnetic field measurements for a sample of Ap stars with sharp spectral lines with a view to characterize the strengths of their magnetic fields. Out of the studied seven sharp-lined stars, two stars, HD 174779 and HD 203932, exhibit a rather weak longitudinal magnetic field with $\left< B_{\rm z}\right>=-45\pm3$ G and $\left< B_{\rm z}\right>=21\pm4$ G, respectively. Additionally, TESS observations were used to test previous conclusions on the differentiation of rotation periods of Ap and Bp stars. Apart from HD 189832 and HD 203932, all other studied sharp-lined stars have long rotation periods. Since an explanation for the slow rotation of Ap stars is currently missing, additional studies of slowly rotating Ap and Bp stars are necessary to improve our understanding of the formation and evolution of Ap and Bp stars.
description: 13 pages, 18 figures, 2 tables. Accepted to be published in MNRAS
title: Gone fishing: an interventional radiology voyage in foreign body retrieval.
Creators: name: Abdel Aal, Ahmed
Publisher: name: European Congress of Radiology
Year: 2017
Subjects: subject: Education and training
subject: Artifacts
subject: Catheters
subject: Arterial access
subject: Venous access
subject: Fluoroscopy
subject: Catheter arteriography
subject: Catheter venography
subject: Veins / Vena cava
subject: Vascular
subject: Management
subject: Image guided radiotherapy

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: Outline the incidence and clinical picture of patients with lost or embolized foreign bodies. Discuss the causes of lost or embolized foreign bodies. Demonstrate the imaging findings of foreign bodies. Illustrate different interventional techniques...
DataCite Global Access Program (GAP) مقدمة عن داتاسيت وبرنامج الوصول العالمي
Creators: name: Mostafa, Mohamad
Publisher: name: Zenodo
Year: 2023
Subjects: DataCite
Webinar
Persistent Identifiers
DataCite Global Access Program
Open Science
Arab World
Open Infrastructure

description: Webinar title: Persistent Identifiers (PIDs) Adoptions: Introducing DataCite’s Global Access Program (GAP) to the Arab World اعتماد المعرفات الدائمة: تقديم برنامج الوصول العالمي الخاص بـداتا سيت إلى العالم العربي لا تزال الأبحاث المنتجة من العالم العربي (باللغتين العربية والإنجليزية) لا تحظى بالرؤية العالمية وقابلية الاكتشاف التي تستحقها. هنالك عدة أسباب لذلك منها علي سبيل المثال، عدم اعتماد واستخدام المعرفات الدائمة ضمن مسارات البحث المختلفة، وانخفاض الوعي باهمية المعرفات الدائمة وأنواعها المختلفة، والبيانات الوصفية غير المكتمله داتا سيت هي منظمة عالمية رائدة وغير هادفة للربح توفر المعرفات الدائمة لمختلف انواع مخرجات الأبحاث والموارد الأخرى. لقد اطلقنا برنامج الوصول العالمي لتحسين المساواة والوصول واعتماد البنية التحتية للمعرفات الدائمة ضمن المجتمعات الأكاديمية والبحثية في البلدان الاقل تمثيلا، بما في ذلك منطقة الشرق الأوسط وشمال إفريقيا في عرضه يتطرق محمد مصطفي الي تعريف وشرح الانواع المختلفة من المعرفات الدائمة وعرض نبذه عن داتا سيت وبرنامج الوصول العالمي الخاص بها Please note that the webinar recordings is available in Arabic only at https://www.youtube.com/watch?v=IpMYN-Xr9Vo&t=0s
The structure of the ultrarelativistic prompt emission phase and the properties of the black hole in GRB 180720B
Creators: name: Rastegarnia, F.
name: Moradi, R.
name: Rueda, J. A.
name: Ruffini, R.
name: Li, Liang
name: Eslamzadeh, S.
name: Wang, Y.
name: Xue, S. S.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: In analogy with GRB 190114C, we here analyze the ultrarelativistic prompt emission (UPE) of GRB 180720B observed in the rest-frame time interval $t_{\rm rf}=4.84$--$10.89$~s by Fermi-GBM. We reveal the UPE hierarchical structure from the time-resolved spectral analysis performed in time sub-intervals: the spectrum in each shorter time interval is always fitted by a composite blackbody plus cutoff power-law model. We explain this structure with the \textit{inner engine} of binary-driven hypernova (BdHN) model operating in a quantum electrodynamics (QED) regime. In this regime, the electric field induced by the gravitomagnetic interaction of the newborn Kerr BH with the surrounding magnetic field is overcritical, i.e., $|{\bf E}|\geq E_c$, where $E_c=m_e^2 c^3/(e\hbar)$. The overcritical field polarizes the vacuum leading to an $e^+~e^-$ pair plasma that loads baryons from the surroundings during its expansion. We calculate the dynamics of the self-acceleration of the pair-electromagnetic-baryon (PEMB) pulses to their point of transparency. We characterize the quantum vacuum polarization process in the sequences of decreasing time bins of the UPE by determining the radiation timescale, Lorentz factors, and transparency radius of the PEMB pulses. We also estimate the strength of the surrounding magnetic field $\sim 10^{14}$ G, and obtain a lower limit to the BH mass, $M=2.4~M_\odot$, and correspondingly an upper limit to the spin, $α= 0.6$, from the conditions that the UPE is powered by the Kerr BH extractable energy and its mass is bound from below by the NS critical mass.
description: Accepted for publication in EPJC
Prenolepis (Nylanderia) jaegerskioldi , Mayr
Creators: name: Crawley, W. C.
Publisher: name: Zenodo
Year: 1920
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Prenolepis
Prenolepis jaegerskioldi

description: Prenolepis (Nylanderia) jaegerskioldi, Mayr. Baghdad, 1917, Amara, 1918 (Buxton). N.E. of Baghdad, 1918 (Evans).
description: Published as part of Crawley, W. C., 1920, Ants from Mesopotamia and north-west Persia (concluded), pp. 177-179 in Entomologists Record and Journal of Variation 32 on page 1, DOI: 10.5281/zenodo.15001