Miracle-dz/UniFAR-FTUs huggingface dataset:
Retrospective Study to Identify Risk Factors for Severe Disease and Mortality Using the Modified Early Warning Score in 5127 Patients with COVID-19 Admitted to an Emergency Department in Poland Between March 2020 and April 2021

Background COVID-19, a disease caused by SARS-CoV-2, has posed a threat to global public health. This retrospective study of 5127 patients with COVID-19 admitted to an Emergency Department in Poland between March 2020 and April 2021 aimed to identify risk factors for severe disease and mortality using the modified early warning score (MEWS). Material/Methods The study was based on a retrospective analysis of patients with SARS-CoV-2 infection admitted to the Emergency Department between March 2020 and April 2021. A total of 5127 cases were included in the final analysis. Identifying the group of high-risk patients with COVID-19 was determined based on the MEWS score. Results Most of the patients studied were male (53.38%). The in-hospital mortality rate among the patients was 21.53%. The factors associated with the risk of in-hospital mortality from COVID-19 were age (>60 years, hazard ratio [HR]=2.27, P<0.001), comorbidities (cancer, HR=1.39, P=0.005; heart failure, HR=1.31, P=0.009; renal failure, HR=1.37, P=0.004), higher MEWS score (MEWS ≥5, HR=1.43, P<0.001), higher percentage of lung parenchyma affected (>50%, HR=2.10, P=0.001), and higher respiratory rate (>24 breaths per min, HR=2.10, P<0.001). Conclusions This study produced real-world data of risk factors for mortality from COVID-19 and the use of the MEWS for a faster identification of patients with COVID-19 requiring more intensive medical care.
A search for spectral variations in ROSAT observations of AM Her, VV Pup, BL Hyi and UZ For

We continue our series of papers examining ROSAT observations of AM Her stars which seek to improve our understanding of the physical processes occurring in the accretion region in these systems. In this paper, we present the results of a search for spectral variability in AM Her, VV Pup, BL Hyi and UZ For using ROSAT data. We find a significant variation in the soft X-ray component of AM Her, VV Pup and BL Hyi, and also a significant variation in the ratio of the soft to hard X-ray flux in AM Her and BL Hyi. We attribute these results to dense blobs of material impacting into the photosphere of the white dwarf. Further, the strength of the magnetic field of the accreting pole influences the proportion of dense blobs in the accretion stream. except UZ taken on-axis, and hence susceptible to an induced period caused by the telescope wobble, flaring of such an amplitude is certainly in trinsic to the source. We do expect the spectra of these sources to be significantly affected by the telescope wobble.
Symbolic Shareholder Democracy: Toward a Behavioral Understanding of the Role of Shareholder Voting in CEO Dismissals

We investigate the effect of expressive shareholder dissent voting, in which shareholders use their votes symbolically to express their discontent with management, on subsequent chief executive officer (CEO) dismissals. Using the routine but highly symbolic executive board discharge proposal voted on at the annual shareholder meetings of German firms, we argue that the board of directors understands these votes as a “vote of confidence in management” that challenges the CEO’s mandate to lead the firm. Arguing that board chairs are uniquely positioned to take up the stance of a steward of the firm and its leadership, we examine how independent and family board chairs moderate the board’s response to expressive voting dissent. Using a sample of German public firms over the period 2008–2015, we find that expressive voting dissent increases the chance of CEO dismissal increasingly with the level of dissent expressed. Contrary to prevailing agency theoretical expectations, we do not find that independent chairs are more responsive to expressive voting dissent, nor that this relationship is strengthened by the degree of minority institutional investor ownership of the firm. Consistent with the symbolic perspective on shareholder voting that we seek to develop, however, we find that family chairs are more likely to lead the board to dismiss the CEO due to the intrinsic disvalue they incur from symbolic leadership legitimacy challenges in their firms, and that the positive effect of having a family chair on the dissent induced chance of CEO dismissal is strengthened by the level of family ownership in the firm. Funding: A University of Illinois at Chicago Summer Research Grant is gratefully acknowledged for S. Sauerwald.
Plasmon transport and its guiding in graphene

Transport of plasmons in graphene has been investigated by time-resolved electrical measurements. We demonstrate that the velocity v (or the refractive index ∝ v − 1 ? > ) and the characteristic impedance Z of the plasmon mode can be tuned through the carrier density. By exploiting the Z tunability, we present a gate-defined plasmonic waveguide. An important advantage of the gate-defined waveguide is dynamical switching of guiding characteristics with the gate voltages. One can tailor the patterns of gate electrodes to define two output waveguides branching off from a source waveguide, and the output waveguide can be switched by changing the gate voltages. Indeed, we show the routing in a Y-shaped channel: the path for the plasmon transmission can be selected by tuning Z of each path. These results can be well reproduced by simulation, encouraging the design of graphene-based plasmonic devices.
Anatomy and behavior of Laternula elliptica, a keystone species of the Antarctic benthos (Bivalvia: Anomalodesmata: Laternulidae)

Laternula elliptica (P. P. King, 1832) is the sole representative of the anomalodesmatan family Laternulidae and the largest bivalve in the Antarctic and Subantarctic. A keystone species of the regional benthic communities, it has reached model status, having been studied in hundreds of scientific works across many biological disciplines. In contrast, its anatomy has remained poorly known, with prior published data limited to partial descriptions based on chemically preserved specimens. Based on observations of aquarium-maintained living animals at the Brazilian Comandante Ferraz Antarctic Station, gross-morphological dissections, and histological sectioning, the comparative anatomy, functional morphology, and aspects of behavior of L. elliptica are described and discussed. Special focus is placed on the pallial organs (including elucidation of cleansing and feeding sorting mechanisms in the mantle cavity) and the musculature. Among the noteworthy findings are the presence of well-developed siphons furnished with sensory tentacles at its tips, some of which bearing eyes; large, folded gills and labial palps capable of sorting the material entering the mantle cavity; an inter-chamber communication in the posterior region of the mantle cavity; an ample ventral mantle fusion with an anterior pedal gape; the absence of a 4th pallial opening; and the absence of a ligamental lithodesma in adult specimens. This study reevaluates the available anatomical data in the literature, both supplementing and correcting previously published accounts.
Three new species of the genus Perinereis (Annelida, Nereididae) from Egyptian coasts

﻿Abstract Despite being one of the most common groups of polychaetes on intertidal shores, the genus Perinereis (Nereididae) is comparatively poorly known taxonomically, with confusion still existing due to the lack of comprehensive systematic studies. The systematics of Perinereis species from the intertidal Egyptian coasts of the Red Sea, Gulf of Suez and Suez Canal have been investigated using morphology and the mitochondrial barcoding marker cytochrome oxidase subunit I (COI). New sequence data was obtained for 102 Perinereis specimens and analysis included all publicly available COI data from other Perinereis species. The COI data indicate that monophyly of the P.nuntia species group is doubtful, as specimens identified in this species group from south-eastern Asia and Australia form a monophyletic group exclusive of the three new species described in this study from the Red Sea region. A morphometric character set (26 characters) was used to identify and characterize each specimen in the study. Three distinct morphospecies belonging to the P.nuntia species group were found, each differentiated by the number and type of paragnaths on pharyngeal areas V and VI, relative sizes of parapodial lobes, type of notochaetae and neurochaetae, and form of the neurochaetal falciger blades. The three morphospecies were well supported by COI data: two of the three new species, Perinereissuezensissp. nov. and Perinereisfayedensissp. nov., are closely similar to P.nuntia sensu stricto, while the other, Perinereisdamiettasp. nov., is similar to P.heterodonta. The new species are described and illustrated, and bring the number of species in Perinereis to 97. The new species are compared and contrasted to the closely similar P.heterodonta, P.nuntia and other congeners from the region.
Exploration of the Shoulder Internal Rotation’s Influence on Throwing Velocity in Handball Players: A Pilot Study

The main objective of this study was to test the relationship between shoulder internal rotation strength and standing throwing velocity. A repeated measures cross-sectional study was conducted with 20 professional handball players (mean ± SD; age: 19.28 ± 2.55 years, weight: 81.52 ± 9.66 kg, height: 185 ± 6 cm, BMI: 23.74 ± 1.69). The participants were instructed to perform eight standing throws from the 7 m line of the handball court at maximum velocity to calculate the mean and maximum throwing velocity. An incremental test was performed to calculate the repetition maximum (1-RM) of internal rotation shoulder strength. A Pearson’s correlation analysis with a 95% confidence interval (95% CI) was performed to determine whether correlations existed between dominant arm internal rotation strength characteristics and maximum and mean ball-throwing velocity. There is no correlation between the internal rotation strength of the throwing shoulder and the velocity of the ball in the standing handball throw.
SUPERHUMPS IN CATACLYSMIC BINARIES. IX. AL COMAE BERENICES

We report photometry of the 1995 superoutburst of the dwarf nova AL Comae Berenices. The overall eruption light curve was striking, suggestive of two superoutbursts in rapid succession. During the first week of eruption, the light curve sported a period of 81.63 ± 0.07 m. This signal declined quickly in amplitude, and was replaced by a stronger signal at 82.55 ± 0.03 m. The latter bears all the earmarks of a "common superhump," a feature usually seen in SU UMa-type dwarf novae in superoutburst. This superhump endured at least 40 d, with no secular period change. We re-examined the quiescent light curves to search for a stable photometric signal which might signify the true binary period. We found a stable double-humped waveform with a fundamental period of 81.6025 ± 0.0001 m -- the shortest period yet seen among dwarf novae, and probably very nearly the shortest period attainable by any binary star with a hydrogen-rich secondary. In orbital period and quiescent light curve, as well as in the eruption light curve, the star is a virtual twin of WZ Sge. There are also large-amplitude waves with a period in the range of 83-90 m; these "quiescent superhumps" are rarely found in cataclysmic variables, and require an origin somewhat different from that of the common superhumps characteristic of SU UMa stars in eruption. We speculate that they arise from instability at the 2:1 orbital resonance in the accretion disk, and that the secondary has ben whittled down to <0.04 solar mass.
Algorithms for data fitting on some common homogeneous spaces

In signal processing, we have often to deal with data that belong to non-linear spaces, or manifolds. We can think about the rotation group in pose estimation, the diffusion tensors in image processing, or the Grassmann manifold in subspace tracking techniques. The goal of this thesis is to design algorithms to analyze this kind of data. We first consider averaging problems on Riemannian manifolds. In particular, we study gradient and Newton methods to compute the Karcher mean of rotation matrices and symmetric positive definite matrices. Then, we design a gradient method to compute a geodesic that best fits a set of time-labeled data points. We describe the approach on different symmetric spaces of interest in practical applications. Finally, on some Riemannian manifolds, there is no known algorithm to compute the Riemannian distance between two points. This is the case for the Stiefel manifold, the general linear group, or the symplectic group. We address these problems by developing some optimization schemes that enable us to compute this distance in some cases.
Ferroelectric nanoscale domains and the 905 K phase transition in SrSnO3 : A neutron total-scattering study

The 905 K Pnma-Imma phase transition in SrSnO{sub 3} is studied here using a combination of variable-temperature neutron total scattering together with the reverse Monte Carlo (RMC) refinement method. The real-space RMC configurations obtained are analyzed in terms of bond distance and bond-angle distributions, and a geometric algebra approach is used to quantify the associated octahedral-tilting distributions. What emerges from this analysis is that the transition is displacive in nature, in contrast to the results of a recent average-structure investigation in which an order-disorder model was proposed [E. H. Mountstevens et al., Phys. Rev. B 71, 220102(R) (2005)]. Three-dimensional diffuse scattering patterns calculated from the same RMC configurations reveal the existence of an additional disorder mechanism which persists across the Pnma-Imma transition. The ''reflection conditions'' of this diffuse scattering, together with displacement correlation calculations, point to the existence of ferroelectric nanoscale domains within the configurations, which are found to extend across planar regions of approximately 10-15 A ring in diameter.
Signifying Nothing: 'Culture,' 'Discourse' and the Sociality of Affect

My contention in this paper will be that the vectors which these two terms – ‘culture’ and ‘discourse’ - have travelled on converge in a conceptual space that is still difficult to delineate using the vocabularies of mainstream cultural theory, but which is crucial to any effective understanding of the dynamics of culture in the twenty-first century (or, for that matter, any other century), and which is exactly that being opened up by the search for a cultural theory which can properly address the experiential dimension of ‘affect’.
Electronic and thermal transport in GeTe: A versatile base for thermoelectric materials

GeTe is a narrow-band gap semiconductor, where Ge vacancies generate free charge carriers, holes, forming a self-dopant degenerate system with p-type conductivity, and serves as a base for high-performance multicomponent thermoelectric materials. There is a significant discrepancy between the electronic and thermal transport data for GeTe-based materials reported in the literature, which obscures the baseline knowledge and prevents a clear understanding of the effect of alloying GeTe with various elements. A comprehensive study including XRD, SEM, EDS, Seebeck coefficient, electrical resistivity, thermal conductivity, and 125Te NMR of several GeTe samples was conducted. Similar Seebeck coefficient and electrical resistivity are observed for all GeTe samples used showing that the concentration of Ge vacancies generating charge carriers is constant along the ingot. Very short 125Te NMR spin-relaxation time agrees well with high carrier concentration obtained from the Hall effect measurements. Our data show .
Atomic surface structure of the phosphorous-terminated InP(001) grown by MOVPE

Scanning tunneling microscopy (STM) was used to investigate the microscopic structure of the phosphorous (P)-rich so-called $(2\ifmmode\times\else\texttimes\fi{}1)$ reconstruction of InP(001). The samples were homoepitaxially grown in a commercial metal-organic vapor phase epitaxy reactor and then transferred under ultra high vacuum (UHV) conditions into a separate UHV- chamber equipped with low-energy electron diffraction (LEED) and scanning tunneling microscopy (STM). After transfer LEED patterns show a $(2\ifmmode\times\else\texttimes\fi{}1)/(2\ifmmode\times\else\texttimes\fi{}2)$ periodicity with streaks in the $[1\ifmmode\bar\else\textasciimacron\fi{}10]$ direction. STM images display rows in the [110] direction formed by randomly distributed $(2\ifmmode\times\else\texttimes\fi{}2)/c(2\ifmmode\times\else\texttimes\fi{}2)/c(4\ifmmode\times\else\texttimes\fi{}2)$-like local structures plus many defects. This disorder effect explains the $(2\ifmmode\times\else\texttimes\fi{}1)$-like LEED pattern. The structure of the rows is interpreted in terms of P dimers directed along the [110] direction which are adsorbed on a complete P layer underneath. Prolonged annealing at $350\ifmmode^\circ\else\textdegree\fi{}\mathrm{C}$ causes successive desorption of single P dimers as monitored by STM. The LEED pattern remains essentially unaffected and STM images with atomic resolution reveal zig-zag chains in the [110] direction separated by twice the lattice constant. Two adjacent rows can be in or out of phase thus resulting in either $p(2\ifmmode\times\else\texttimes\fi{}2)$ or $c(4\ifmmode\times\else\texttimes\fi{}2)$ reconstructions. The structure of the rows can be explained in terms of buckled P dimers oriented along the $[1\ifmmode\bar\else\textasciimacron\fi{}10]$ direction on a complete In layer.
Using Authenticity Event as a Factor that Affects Event Attendance in Improving Branjang Tourism Village Promotion

Introduction: During the Covid-19 pandemic, many tourist villages are reluctant to develop their respective destinations. The manager of the Branjang Tourism Village, Semarang Regency, realized the importance of events in destination development by exploring the impact of event attendance on destination promotion. This study first aims to analyze the effect of the authenticity of the event on the attendance of the event. The second explores the impact of event attendance on destination promotion. The third examines the direct impact of actual authenticity on destination promotion. Fourth, prove the mediation of event attendance in the effect of event authenticity on destination promotion. Methods: To test this model, 100 respondents of tourists who visited the event were taken at the Branjangan Cultural Event in the Branjang Tourism Village. Then the data is processed using SEM PLS. Result: The authenticity of the event influences the attendance of the event with t statistic 7,488> 1,96. Authenticity Events influence destination promotion with a t-statistic value of 4.011 > 1.96. The presence of the event influences destination promotion with a statistical t value of 3.507> 1.96 and the authenticity of the event on destination promotion influences the presence of the event with a simultaneous value of 0.2880> 1.96. Conclusion: The results of the first study show that the authenticity of the event affects the attendance of the event; second, the presence of the event affects the promotion of the goal. Thirdly, event authenticity involves the promotion of goals, and event attendance mediates the effect of event authenticity on goal promotion.
Structural transformation of liquid tellurium at high pressures and temperatures

We have developed synchrotron x-ray-diffraction techniques for studying the structure of liquids at high pressures and high temperatures and have applied them to measuring structural transformation of liquid Te up to 22 Gpa. The nearest-neighbor distance of liquid Te, which is 2.9\char21{}3.0 \AA{} and already larger than 2.8 \AA{} of crystalline Te at 0 GPa, further increases with pressure to 3.1 \AA{} at 6 GPa in spite of the volume contraction, and then decreases gradually at higher pressures. The anomalous expansion of the nearest-neighbor distance can be attributed to the increase in coordination number from 2\char21{}3 at 0 GPa to 4 at 6 GPa and the resultant weakening of the covalent bond. The coordination number further increases with pressure and approaches to 14, i.e., the number for a closely packed simple-liquid structure, at 22 GPa. However, the effect of the increase in coordination number on the nearest-neighbor distance is much smaller in a dense metallic state at high pressures than in a sparse covalent state at low pressures.
Pattern forming mechanisms of color vision

Abstract While our understanding of the way single neurons process chromatic stimuli in the early visual pathway has advanced significantly in recent years, we do not yet know how these cells interact to form stable representations of hue. Drawing on physiological studies, we offer a dynamical model of how the primary visual cortex tunes for color, hinged on intracortical interactions and emergent network effects. After detailing the evolution of network activity through analytical and numerical approaches, we discuss the effects of the model’s cortical parameters on the selectivity of the tuning curves. In particular, we explore the role of the model’s thresholding nonlinearity in enhancing hue selectivity by expanding the region of stability, allowing for the precise encoding of chromatic stimuli in early vision. Finally, in the absence of a stimulus, the model is capable of explaining hallucinatory color perception via a Turing-like mechanism of biological pattern formation.
How implicit is implicit learning

CH 1 - INTRODUCTION D BERRY CH 2 - ABSTRACTNESS OF IMPLICIT KNOWLEDGE: A COGNITIVE EVOLUTIONARY PERSPECTIVE R MATHEWS AND L ROUSSEL CH 3 - NONCONSCIOUS INFORMATION PROCESSING AND PERSONALITY P LEWICKI, M CZYZEWSKA AND T HILL CH 4 - REPRESENTING ARTIFICIAL GRAMMARS: TRANSFER ACROSS STIMULUS FORMS AND MODALITIES L MANZA AND A REBER CH 5 - TRANSFER OF IMPLICIT KNOWLEDGE ACROSS DOMAINS: HOW IMPLICIT AND HOW ABSTRACT? Z DIENES AND G ALTMANN CH 6 - A SUBJECTIVE UNIT FORMATION ACCOUNT OF IMPLICIT LEARNING P PERRUCHET AND J GALLEGO CH 7 - IMPLICIT LEARNING FROM AN INFORMATION PROCESSING STANDPOINT M ST JOHN AND D SHANKS CH 8 - PRINCIPLES FOR IMPLICIT LEARNING A CLEEREMANS CH 9 - CONCLUDING NOTE: HOW IMPLICIT IS IMPLICIT LEARNING? : D BERRY