cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Broad-band spectrophotometry of the hot Jupiter HAT-P-12b from the near-UV to the near-IR
Creators: name: Mallonn, M.
name: Nascimbeni, V.
name: Weingrill, J.
name: von Essen, C.
name: Strassmeier, K. G.
name: Piotto, G.
name: Pagano, I.
name: Scandariato, G.
name: Csizmadia, Sz.
name: Herrero, E.
name: Sada, P. V.
name: Dhillon, V. S.
name: Marsh, T. R.
name: Künstler, A.
name: Bernt, I.
name: Granzer, T.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The detection of trends or gradients in the transmission spectrum of extrasolar planets is possible with observations at very low spectral resolution. Transit measurements of sufficient accuracy using selected broad-band filters allow for an initial characterization of the atmosphere of the planet. We obtained time series photometry of 20 transit events and analyzed them homogeneously, along with eight light curves obtained from the literature. In total, the light curves span a range from 0.35 to 1.25 microns. During two observing seasons over four months each, we monitored the host star to constrain the potential influence of starspots on the derived transit parameters. We rule out the presence of a Rayleigh slope extending over the entire optical wavelength range, a flat spectrum is favored for HAT-P-12b with respect to a cloud-free atmosphere model spectrum. A potential cause of such gray absorption is the presence of a cloud layer at the probed latitudes. Furthermore, in this work we refine the transit parameters, the ephemeris and perform a TTV analysis in which we found no indication for an unseen companion. The host star showed a mild non-periodic variability of up to 1%. However, no stellar rotation period could be detected to high confidence.
description: 13 pages, 6 figures, Accepted for publication in A&A
Evidence of Kardar-Parisi-Zhang scaling on a digital quantum simulator
Creators: name: Keenan, Nathan
name: Robertson, Niall
name: Murphy, Tara
name: Zhuk, Sergiy
name: Goold, John
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Understanding how hydrodynamic behaviour emerges from the unitary evolution of the many-particle Schrödinger equation is a central goal of non-equilibrium statistical mechanics. In this work we implement a digital simulation of the discrete time quantum dynamics of a spin-$\frac{1}{2}$ XXZ spin chain on a noisy near-term quantum device, and we extract the high temperature transport exponent at the isotropic point. We simulate the temporal decay of the relevant spin correlation function at high temperature using a pseudo-random state generated by a random circuit that is specifically tailored to the ibmq-montreal $27$ qubit device. The resulting output is a spin excitation on a highly inhomogeneous background. From the subsequent discrete time dynamics on the device we are able to extract an anomalous super-diffusive exponent consistent with the conjectured Kardar-Parisi-Zhang (KPZ) scaling at the isotropic point. Furthermore we simulate the restoration of spin diffusion with the application of an integrability breaking potential.
description: 7 pages, 6 Figures
Surface reconstructions and transport of epitaxial PtLuSb (001) thin films grown by MBE
Creators: name: Patel, S. J.
name: Logan, J. A.
name: Harrington, S. D.
name: Schultz, B. D.
name: Palmstrøm, C. J.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: This work presents the surface reconstructions and transport properties of the topological insulator PtLuSb grown on Al0.1In0.9Sb/GaAs (001). Two stable surface reconstructions, (1x3) and c(2x2), were observed on PtLuSb (001) surfaces. Antimony-dimerization was determined to be the nature of the (1x3) surface reconstruction as evidenced by chemical binding energy shifts in the antimony 4d core-level for surface bonding components. The two surface reconstructions were studied as a function of Sb4 overpressure and substrate temperature to create a reconstruction phase diagram. From this reconstruction phase diagram, a growth window from 320 °C to 380 °C using an antimony overpressure was identified. Within this window, the highest quality films were grown at a growth temperature of 380 °C. These films exhibited lower p-type carrier concentrations as well as relatively high hole mobilities.
description: 6 pages, 4 figures, V2 updated reference and format
Microwave Loss Reduction in Cryogenically Cooled Conductors
Creators: name: Finger, R.
name: Kerr, A. R.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Measurements of microwave attenuation at room temperature and 4.2 K have been performed on some conductors commonly used in receiver input circuits. The reduction in loss on cooling is substantial, particularly for copper and plated gold, both of which showed a factor of 3 loss reduction. Copper passivated with benzotriazole shows the same loss as without passivation. The residual resistivity ratio between room temperature and 4.2 K, deduced from the measurements using the classical skin effect formula, was smaller than the measured DC value to a degree consistent with conduction in the extreme anomalous skin effect regime at cryogenic temperatures. The measurements were made in the 5-10 GHz range. The materials tested were: aluminum alloys 1100-T6 and 6061-O, C101 copper, benzotriazole treated C101 copper, and brass plated with electroformed copper, Pur-A-Gold 125-Au soft gold, and BDT200 bright gold.
description: 9 pages
title: Analysis of the dependence on b-values of DWI signal model outcomes in peripheral healthy and cancerous prostate tissues
Creators: name: Lucarini, Silvia
Publisher: name: European Congress of Radiology
Year: 2013
Subjects: subject: Genital / Reproductive system male
subject: MR-Diffusion/Perfusion
subject: Imaging sequences

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: To establish the influence of the b-values adopted during the acquisition on the most commonly used parameters in quantitative DWI: apparent diffusion coefficient (ADC), perfusion fraction (PF), slow and fast diffusion coefficient (D slow ,D fast...
Regular Rotating Black Holes: A Review
Creators: name: Torres, Ramón
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The collapse of astrophysically significant bodies generates, under suitable conditions, black holes. Since one expects the generator of the black hole to be a rotating body, the black hole will also rotate. The existence of inner singularities in classical solutions for rotating black holes and the fact that General Relativity is incompatible with Quantum Mechanics lead us to seek for alternative regular models for rotating black holes. The interest in singularity-free rotating black holes has grown significantly in recent years, as shown by the increase in the number of published papers devoted to it. Undoubtedly, the latest observational developments (LIGO-VIRGO-KAGRA collaborations, the Event Horizon Telescope or, in the near future, the LISA project) and the possibility to probe our theoretical predictions have greatly contributed to awaken the interest. This text discusses the general characteristics of regular rotating black holes. These include the conditions needed to guarantee the absence of singularities and the consequences that such conditions entail for the violation of the energy conditions in black hole models. It is argued that regular rotating black holes do not require an extension through their inner disk, contrary to classical rotating black holes. In this way, the problems with negative-mass interpretations and causality violations appearing in classical solutions could be avoided. It has been included a discussion on the maximal extension and the usual global causal structure expected for these spacetimes. The different methods for obtaining regular rotating black holes are treated, including the use of the generalized Newman-Janis algorithm as an alibi to derive regular rotating black holes from regular spherically symmetric static ones. The text also provides an introduction to the thermodynamics and phenomenology of rotating black holes.
description: 28 pages, 7 figures. Invited chapter to the book "Regular Black Holes: Towards a New Paradigm of the Gravitational Collapse"
title: The incidence of biological effects from 3.0 Tesla (T) MRI compared to 1.5 T: an observational study in 911 consecutive outpatients
Creators: name: Alghamdi, Faisal
Publisher: name: European Congress of Radiology
Year: 2013
Subjects: subject: MR physics
subject: MR
subject: Comparative studies
subject: Biological effects

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: To compare the acute effects of a 3.0 Tesla (T) magnetic resonance imaging MRI to 1.5 T, we analyzed the effects from three distinct fields used in MRI (static magnetic fields (MF), gradient fields and radiofrequency (RF) fields) on 911 consecutive...
Expectation-Maximizing Network Reconstruction and MostApplicable Network Types Based on Binary Time Series Data
Creators: name: Liu, Kaiwei
name: Lv, Xing
name: Gao, Fei
name: Zhang, Jiang
Publisher: name: arXiv
Year: 2022
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Statistics Theory (math.ST)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Based on the binary time series data of social infection dynamics, we propose a general framework to reconstruct 2-simplex complexes with two-body and three-body interactions by combining the maximum likelihood estimation in statistical inference and introducing the expectation maximization. In order to improve the code running efficiency, the whole algorithm adopts vectorization expression. Through the inference of maximum likelihood estimation, the vectorization expression of the edge existence probability can be obtained, and through the probability matrix, the adjacency matrix of the network can be estimated. We apply a two-step scheme to improve the effectiveness of network reconstruction while reducing the amount of computation significantly. The framework has been tested on different types of complex networks. Among them, four kinds of networks can obtain high reconstruction effectiveness. Besides, we study the influence of noise data or random interference and prove the robustness of the framework, then the effects of two kinds of hyper-parameters on the experimental results are tested. Finally, we analyze which type of network is more suitable for this framework, and propose methods to improve the effectiveness of the experimental results.
ИЗУЧЕНИЕ ОБЩЕГО СОСТОЯНИЯ ПЕЧЕНИ У БОЛЬНЫХ С ПОВЫШЕННЫМИ БИОМАРКЕРАМИ ВОСПАЛЕНИЯ СУСТАВОВ ПРИ РЕВМАТОИДНОМ АРТРИТЕ
Creators: name: Хаджиматова, И.X.
name: Каримов, M.Ш.
Publisher: name: Zenodo
Year: 2025

description: Ревматоидный артрит является одной из самых распространенных патологий в мире. По статистике, в Узбекистане он встречается у 6-10% мужчин, у 20-25% женщин и поражает в основном женскую половину населения. В последнее время в литературе все чаще появляются исследования, посвященные изучению физиологического состояния печени. По данным некоторых исследований, присоединение патологии со стороны гепатобилиарной системы существенно влияет на качество жизни больных с системными заболеваниями, в частности ревматоидным артритом.
External Photoevaporation of the Solar Nebula II: Effects on Disk Structure and Evolution with Non-Uniform Turbulent Viscosity due to the Magnetorotational Instability
Creators: name: Kalyaan, Anusha
name: Desch, Steven J
name: Monga, Nikhil
Publisher: name: arXiv
Year: 2015
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The structure and evolution of protoplanetary disks, especially the radial flows of gas through them, are sensitive to a number of factors. One that has been considered only occasionally in the literature is external photoevaporation by far-ultraviolet (FUV) radiation from nearby, massive stars, despite the fact that nearly half of all disks will experience photoevaporation. Another effect apparently not considered in the literature is a spatially and temporally varying value of $α$ in the disk [where the turbulent viscosity $ν$ is $α$ times the sound speed C times the disk scale height H]. Here we use the formulation of Bai \& Stone (2011) to relate $α$ to the ionization fraction in the disk, assuming turbulent transport of angular momentum is due to the magnetorotational instability. We find that disk evolution is most sensitive to the surface area of dust. Typically $α\lesssim 10^{-5}$ in the inner disk ($< 2$ AU), rising to $\sim 10^{-1}$ beyond 20 AU. This drastically alters the structure of the disk and the flow of mass through it: while the outer disk rapidly viscously spreads, the inner disk hardly evolves; this leads to a steep surface density profile with a slope < p > $\approx$ 2 - 5 in the 5-30 AU region) that is made steeper by external photoevaporation. We also find that the combination of variable $α$ and external photoevaporation eventually causes gas as close as 3 AU, previously accreting inward, to be drawn outward to the photoevaporated outer edge of the disk. These effects have drastic consequences for planet formation and volatile transport in protoplanetary disks.
description: 65 pages, 23 figures, Accepted for publication in the Astrophysical Journal
Das Kindeswohl in der Kinder- und Jugendhilfe
Creators: name: Tausendfreund, Tim
name: Gabriel, Thomas
Publisher: name: Luchterhand
Year: 2023
Subjects: Kindeswohl
Kinder- und Jugendhilfe
Subjektorientierung
Verantwortungsethik
362.7: Jugendhilfe

description: Das Kindeswohl findet sich in der Kinder- und Jugendhilfe vor allem, wenn es in Gefahr gerät oder verletzt wird. Dies gilt aber nicht in allen Situationen. Die Geschichte der Heimerziehung und internationale Forschungsbefunde lehren uns, dass es auch dort hinzuschauen und zuzuhören gilt, wo das Kindeswohl in Kinder- und Jugendhilfe gesichert scheint. Der Beitrag plädiert vor diesem Hintergrund dafür, das Kindeswohl als Aufforderung zu interpretieren, Hilfen in ihrem Einzelfall- und Subjektbezug zu verstehen und als solche zu verantworten.
High frequency electro-optic measurement of strained silicon racetrack resonators
Creators: name: Borghi, M.
name: Mancinelli, M.
name: Merget, F.
name: Witzens, J.
name: Bernard, M.
name: Ghulinyan, M.
name: Pucker, G.
name: Pavesi, L.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: The observation of the electro-optic effect in strained silicon waveguides has been considered as a direct manifestation of an induced $χ^{(2)}$ non-linearity in the material. In this work, we perform high frequency measurements on strained silicon racetrack resonators. Strain is controlled by a mechanical deformation of the waveguide. It is shown that any optical modulation vanishes independently of the applied strain when the applied voltage varies much faster than the carrier effective lifetime, and that the DC modulation is also largely independent of the applied strain. This demonstrates that plasma carrier dispersion is responsible for the observed electro-optic effect. After normalizing out free carrier effects, our results set an upper limit of $8\,pm/V$ to the induced high-speed $χ^{(2)}_{eff,zzz}$ tensor element at an applied stress of $-0.5\,GPa$. This upper limit is about one order of magnitude lower than the previously reported values for static electro-optic measurements.
title: Accuracy of ultrasonographic diagnosis of acute appendicitis in pregnant women
Creators: name: Kokhanovsky, Natalia
Publisher: name: European Congress of Radiology
Year: 2013
Subjects: subject: Emergency
subject: Abdomen
subject: Ultrasound
subject: Ultrasound-Colour Doppler
subject: Ultrasound-Power Doppler
subject: Image compression
subject: Surgery
subject: Inflammation
subject: Infection
subject: Acute

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: Acute appendicitis is the most frequently suspected acute abdominal disorder in the Emergency Department and the most common indication for emergency abdominal surgery [1]. Clinical evaluation of acute appendicitis is difficult in pregnant patients:...
Assessing Explosive Power Production Using the Backwards Overhead Shot Throw and the Effects of Morning Resistance Exercise on Afternoon
Performance
Creators: name: Gerraughty, Laura Lynn
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2009

description: The purpose of this pilot study was to preliminarily validate the backwards overhead shot throw (BOST) against the vertical jump (VJ) as a test of explosive power. Secondarily, effects of a morning resistance exercise bout on afternoon explosive power performance were examined. Throwers in the sport of athletics (N = 14) performed one control and one experimental trial on separate days. Trial 1 consisted of VJ and BOST testing performed in the afternoon. For Trial 2, participants reported for a short resistance training session in the morning before repeating the VJ and BOST testing that afternoon. BOST scores and VJ peak power were correlated in both trials (r=0.64, p < 0.05). BOST scores improved in Trial 2 over Trial 1, but VJ power failed to improve. Results suggest that BOST is a valid test of explosive power production, and a morning resistance training session improves BOST performance that same afternoon.
Origin of the long-term modulation of radio emission of LS I +61 303
Creators: name: Massi, Maria
name: Torricelli-Ciamponi, Guidetta
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: One of the most unusual aspects of the X-ray binary LSI +61 303 is that at each orbit (P1=26.4960 \pm 0.0028 d) one radio outburst occurs whose amplitude is modulated with Plong, a long-term period of more than 4 yr. It is still not clear whether the compact object of the system or the companion Be star is responsible for the long-term modulation. We study here the stability of Plong. Such a stability is expected if Plong is due to periodic (P2) Doppler boosting of periodic (P1) ejections from the accreting compact object of the system. On the contrary it is not expected if Plong is related to variations in the mass loss of the companion Be star. We built a database of 36.8 yr of radio observations of LSI +61 303 covering more than 8 long-term cycles. We performed timing and correlation analysis. In addition to the two dominant features at P1 and P2, the timing analysis gives a feature at Plong=1628 \pm 48 days. The determined value of Plong agrees with the beat of the two dominant features, i.e. Pbeat=1/(\nu1 -\nu2)=1626 \pm 68 d. The correlation coefficient of the radio data oscillates at multiples of Pbeat. Cycles in varying Be stars change in length and disappear after 2-3 cycles following the well-studied case of the binary system zeta Tau. On the contrary, in LSI +61 303 the long-term period is quite stable and repeats itself over the available 8 cycles. The long-term modulation in LSI +61 303 accurately reflects the beat of periodical Doppler boosting (induced by precession) with the periodicity of the ejecta. The peak of the long-term modulation occurs at the coincidence of the maximum number of ejected particles with the maximum Doppler boosting of their emission; this coincidence occurs every 1/(\nu1 - \nu2) and creates the long-term modulation observed in LSI +61 303.
description: 6 pages, 5 figures, accepted for publication in A&A
Probing the symmetry breaking of a light--matter system by an ancillary qubit
Creators: name: Wang, Shuai-Peng
name: Ridolfo, Alessandro
name: Li, Tiefu
name: Savasta, Salvatore
name: Nori, Franco
name: Nakamura, Y.
name: You, J. Q.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Hybrid quantum systems in the ultrastrong, and even more in the deep-strong, coupling regimes can exhibit exotic physical phenomena and promise new applications in quantum technologies. In these nonperturbative regimes, a qubit--resonator system has an entangled quantum vacuum with a nonzero average photon number in the resonator, where the photons are virtual and cannot be directly detected. The vacuum field, however, is able to induce the symmetry breaking of a dispersively coupled probe qubit. We experimentally observe the parity symmetry breaking of an ancillary Xmon artificial atom induced by the field of a lumped-element superconducting resonator deep-strongly coupled with a flux qubit. This result opens a way to experimentally explore the novel quantum-vacuum effects emerging in the deep-strong coupling regime.
description: 14 pages, 9 figures
Spin-orbital excitation continuum and anomalous electron-phonon interaction in the Mott insulator LaTiO$_3$
Creators: name: Ulrich, C.
name: Khaliullin, G.
name: Guennou, M.
name: Roth, H.
name: Lorenz, T.
name: Keimer, B.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Raman scattering experiments on stoichiometric, Mott-insulating LaTiO$_3$ over a wide range of excitation energies reveal a broad electronic continuum which is featureless in the paramagnetic state, but develops a gap of $\sim 800$ cm$^{-1}$ upon cooling below the Néel temperature $T_N = 146$ K. In the antiferromagnetic state, the spectral weight below the gap is transferred to well-defined spectral features due to spin and orbital excitations. Low-energy phonons exhibit pronounced Fano anomalies indicative of strong interaction with the electron system for $T > T_N$, but become sharp and symmetric for $T < T_N$. The electronic continuum and the marked renormalization of the phonon lifetime by the onset of magnetic order are highly unusual for Mott insulators and indicate liquid-like correlations between spins and orbitals.
description: to appear in Phys. Rev. Lett
Starspot distributions on fully convective M dwarfs: implications for radial velocity planet searches
Creators: name: Barnes, J. R.
name: Jeffers, S. V.
name: Jones, H. R. A.
name: Pavlenko, Ya. V.
name: Jenkins, J. S.
name: Haswell, C. A.
name: Lohr, M. E.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Since M4.5 - M9 dwarfs exhibit equatorial rotation velocities of order 10 km/s on average, radial velocity surveys targeting this stellar population will likely need to find methods to effectively remove starspot jitter. We present the first high resolution Doppler images of the M4.5 dwarf, GJ 791.2A, and the M9 dwarf, LP 944-20. The time series spectra of both objects reveal numerous line profile distortions over the rotation period of each star which we interpret as starspots. The transient distortions are modelled with spot/photosphere contrast ratios that correspond to model atmosphere temperature differences of Tphot-Tspot = 200 and 300 K. GJ 791.2A is a fully convective star with vsini = 35.1 km/s. Although we find more starspot structure at high latitudes, we reconstruct spots at a range of phases and latitudes with a mean spot filling of ~3%. LP 944-20 is one of the brightest known late-M dwarfs, with spectral type M9V and vsini = 30.8 km/s. Its spectral time series exhibits two dominant transient line distortions that are reconstructed as high latitude spots, while a mean spot filling factor of only 1.5% is found. The occurrence of low-contrast spots at predominantly high latitudes, which we see in both targets here, is in general likely to be responsible for the low amplitude photometric variability seen in late-M dwarfs. For GJ 791.2A, the radial velocities induced by the starspot features yield an rms velocity variability of 138 m/s, which can be reduced by a factor of 1.9 using our reconstructed surface brightness distributions.
description: 20 pages, 8 figures, accepted for publication in ApJ
Accuracy of Condylar Position in Orthognathic Surgery Cases Treated with Virtual Surgical Planning: An Exploratory Study
Creators: name: Wan, Ying
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2017

description: Objectives: To assess the pre- and short-term post-operative positions of the mandibular condyle in bimaxillary orthognathic surgery cases prepared using Virtual Surgical Planning (VSP). Additional aims are to evaluate the relationship between surgical characteristics and condylar positional changes, as well as to quantify the difference between actual surgical outcome and planned virtual outcome. Methods: 15 consecutively operated subjects with Bilateral Sagittal Split Osteotomies (BSSO) prepared with VSP and 10 subjects with conventional surgery planning were selected from a private practice database retrospectively. 3D models generated from CBCT scans obtained pre-surgically (T1), post-surgically (T2), and from the VSP predictions were then oriented to Frankfurt horizontal, superimposed, and registered on the anterior cranial base through a voxel-based method. Anatomic landmarks on the condyles, maxilla, and mandible were manually selected on T1, T2, and VSP models using SlicerCMF (open-source software). Displacement of corresponding landmarks on T1, T2, and VSP models was measured in both 3D distance and in its component vectors in the transverse, vertical, and anteroposterior axes. Results: Study groups were well matched for demographic and surgical characteristics except for the type of surgery performed in addition to the BSSO. No significant difference was found between the VSP and conventional group in the magnitude of translation or rotation of the condyles following surgery. Mandibular shape was the only surgical characteristic found to correlate with condylar yaw (P=0.045, Rz = 0.035). VSP surgical outcomes differed significantly at all measured landmarks and in all dimensions from predicted outcomes. Conclusion: Virtual surgical planning does not prevent changes to condylar position as a result of surgery. The magnitude of condylar torque following surgery was largely unexplained by surgical factors such as mandibular shape, mandibular plane, magnitude of mandibular movement, and rotation of mandibular plane. Actual surgical results differed significantly from VSP-predicted outcomes.
title: Information-seeking behaviour of radiographers
Creators: name: Sancho, Luis
Publisher: name: European Congress of Radiology
Year: 2013
Subjects: subject: Professional issues
subject: Conventional radiography
subject: Health policy and practice
subject: Education

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: Understand how the Radiographers act when faced with information needs resulting from the professional practice. Identify the preferences and informational habits of Radiographers. Ascertain Radiographers’ capabilities in the use of electronic...
Decadal climate predictions using sequential learning algorithms
Creators: name: Strobach, Ehud
name: Bel, Golan
Publisher: name: arXiv
Year: 2015
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Machine Learning (stat.ML)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences
subject: 62C99

description: Ensembles of climate models are commonly used to improve climate predictions and assess the uncertainties associated with them. Weighting the models according to their performances holds the promise of further improving their predictions. Here, we use an ensemble of decadal climate predictions to demonstrate the ability of sequential learning algorithms (SLAs) to reduce the forecast errors and reduce the uncertainties. Three different SLAs are considered, and their performances are compared with those of an equally weighted ensemble, a linear regression and the climatology. Predictions of four different variables--the surface temperature, the zonal and meridional wind, and pressure--are considered. The spatial distributions of the performances are presented, and the statistical significance of the improvements achieved by the SLAs is tested. Based on the performances of the SLAs, we propose one to be highly suitable for the improvement of decadal climate predictions.
Representation of superoperators in double phase space
Creators: name: Saraceno, Marcos
name: de Almeida, Alfredo M. Ozorio
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Operators in quantum mechanics - either observables, density or evolution operators, unitary or not - can be represented by c-numbers in operator bases. The position and momentum bases are in one to one correspondence with lagrangian planes in double phase space, but this is also true for the well known Wigner-Weyl correspondence based on translation and reflection operators. These phase space methods are here extended to the representation of superoperators. We show that the Choi-Jamiolkowsky isomorphism between the dynamical matrix and the linear action of the superoperator constitutes a "double" Wigner or chord transform when represented in double phase space. As a byproduct several previously unknown integral relationships between products of Wigner and chord distributions for pure states are derived.
description: 22 pages, 2 figures
title: Evidence-based practice in radiology
Creators: name: Dias, Marta
Publisher: name: European Congress of Radiology
Year: 2013
Subjects: subject: Professional issues
subject: Management
subject: Conventional radiography
subject: Education
subject: Audit and standards

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: This study aimed to evaluate the radiographers' knowledge on evidence-based practice (EBP) in radiology, how they conduct their research on this thematic and how they apply it. Evidence-based practice is defined as the decision that results from the...
Finding the avant-garde in the old-time: John Cohen in the American folk revival
Creators: name: Jones, Brian
Publisher: name: University of North Carolina at Chapel Hill
Year: 2011

description: This thesis explores aesthetic developments in the American folk revival by examining the career of John Cohen. As a founding member of the New Lost City Ramblers, Cohen was an influential figure in the revival during the late `50s and early `60s. A significant aspect of Cohen's outlook was his extensive involvement with avant-garde movements in art and literature. The approaches Cohen encountered among New York artists and intellectuals provided a paradigm from which he could understand the rough-hewn aesthetic of old-time country music. This thesis examines Cohen's aesthetic by mapping his background and associations in art, photography, and folk music, giving special attention to the connections he saw between folk revivalism and the avant-garde. It then examines his work recording and promoting Roscoe Holcomb, a traditional singer from Daisy, Kentucky, to demonstrate the application of these ideas and connections.
Shoulder Exercises in Hypermobile Patients With Shoulder Symptoms
Creators: name: Liaghat, Behnam
name: Skou, Søren
name: Søndergaard, Jens
name: Boyle, Eleanor
name: Søgaard, Karen
name: Juul-Kristensen, Birgit
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Medicine and Health Sciences
subject: Heavy strengthening
subject: Hypermobilty
subject: RCT
subject: Shoulder

description: Statistical analysis plan. A randomised controlled trial of heavy shoulder strengthening exercise in patients with hypermobility spectrum disorder and long-lasting shoulder complaints: The Shoulder-MOBILEX study
title: Development of the Vision Ontology.
Creators: name: Vining, David
Publisher: name: European Congress of Radiology
Year: 2013
Subjects: subject: Computer applications
subject: eHealth
subject: Management
subject: PACS
subject: RIS
subject: Teleradiology
subject: Computer Applications-Detection, diagnosis
subject: Structured reporting
subject: Epidemiology

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: We developed a structured reporting system, called ViSion, which allows a radiologist to capture key images and tag those images with diagnostic information to generate a multimedia structured report (Figure 1) (1). The operation of the ViSion...
Korea's stem cell research crisis: exploring a new model to gauge ethical intent of crisis communication strategies
Creators: name: Hur, Keun Yung
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2008

description: This thesis begins with the questions of how unethical public relations activities were reported the media, how image restoration strategies could be employed and how moral development theory could be applied to public relations ethics research. Using Benoit's image restoration discourse theory and Kohlberg's moral development theory, this study explores these questions by analyzing the Korean media coverage on the crisis caused by Hwang's scandal. The study's content analysis not only reveals that the Korean media changed their positive attitude toward stem cell research and Hwang, but it also shows that the model of Benoit's image restoration discourse theory and Kohlberg's moral development theory partly worked to generate baseline knowledge for future research.
Dissociation and ionization equilibria of deuterium fluid over a wide range of temperatures and densities
Creators: name: Zaghloul, Mofreh R.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: We investigate the dissociation and ionization equilibria of deuterium fluid over a wide range of temperatures and densities. The partition functions for molecular and atomic species are evaluated, in a statistical-mechanically consistent way, implementing recent developments in the literature and taking high-density effects into account. A new chemical model (free energy function) is introduced in which the fluid is considered as a mixture of diatomic molecules, atoms, ions and free electrons. Intensive short range hard core repulsion is taken into account together with partial degeneracy of free electrons and Coulomb interactions among charged particles. Samples of computational results are presented as a set of isotherms for the degree of ionization, dissociated fraction of molecules, pressure, and specific internal energy for a wide range of densities and temperatures. Predictions from the present model calculations show an improved and sensible physical behavior compared to other results in the literature.
title: Accuracy of contrast-enhanced imaging in the pretransplantation staging of hepatocellular carcinoma (HCC) and pathologic predictive factors of HCC recurrence after liver transplantation (LT)
Creators: name: Besutti, Giulia
Publisher: name: European Congress of Radiology
Year: 2013
Subjects: subject: Abdomen
subject: Liver
subject: Oncology
subject: CT
subject: MR
subject: Diagnostic procedure
subject: Surgery
subject: Transplantation

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: Liver Transplantation (LT) is the preferred treatment for selected patients with hepatocellular carcinoma (HCC), however a debate still exists over which patients should be considered for LT. The Milan criteria, first described in 1996 (1) and...
Falling Through the Cracks: a Constructivist Grounded Theory of How Service Provision Impacts the Experiences of those with Co-Occurring Mental Health Difficulties and Problems with Substance Use
Creators: name: Aggett, Laura E
Publisher: name: UH Research Archive
Year: 2022
Subjects: Substance (mis)use
dual-diagnosis
service provision
mental health difficulties
mental health services

description: Existing literature focusing on co-occurring mental health difficulties and problems with substance use predominantly focuses on prevalence and associated risk factors. This research aimed to explore how service provision impacts the experiences of people with both mental health difficulties and problems with substance use, living in Luton. Semi-structured interviews were carried out with 10 adults, with current or historic experiences of co-occurring mental health difficulties and problems with substance use. Data was analysed using a Constructivist Grounded Theory (GT) methodology. A theoretical model was co-constructed, showing process-oriented understanding of participant experiences. These experiences were categorised as social processes between participants and structural issues; ‘Navigating Services Working in Silos’, service level issues; ‘Swallowing the Jagged Pill’ and interpersonal interactions; ‘Doubting Adequacy of Support’. Through collaborating, understanding and trusting, other processes were facilitated, such as, ‘Becoming One of the Lucky Ones’, underpinned by ‘Benefitting from Relationships’. The research goes beyond existing literature, focusing on the direct impact of wider structures, discourses and political agendas affecting service provision. The GT model presented presents dynamic interactions of social processes and mechanisms that help to explain how and why individuals might remain ‘stuck’ within service provision, and why some can benefit and, consequently, move forward with recovery. The importance of positive relational interactions has been highlighted as key to support being beneficial to those accessing services. The findings have led to recommendations for anyone working with this group, as well as policymakers and commissioners.
title: Integrating contrast-enhanced sonography (CEUS) in the follow-up algorithm of patients with percutaneously ablated hepatocellular carcinoma (HCC)
Creators: name: Catalano, Orlando
Publisher: name: European Congress of Radiology
Year: 2013
Subjects: subject: Liver
subject: Oncology
subject: Ultrasound
subject: Contrast agent-other
subject: Neoplasia

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: The current practice for patients with completely ablated HCC on post-procedural imaging (performed from 24 hours to 1 month after the treatment) is to follow-up them serially to early detect any tumor recurrence. Follow-up is based on: -liver...
Mental Health Nurses' Experiences of Non-Disclosure within Individual Clinical Supervision
Creators: name: Farley, Stuart
Publisher: name: UH Research Archive
Year: 2022
Subjects: subject: Nursing
subject: FOS: Health sciences
subject: Clinical Supervision
subject: Nondisclosure
subject: Supervision
subject: Non-disclosure
subject: Nurse
subject: Qualitative

description: The aim of this research was to explore the experiences of inpatient mental health nurses’ use of nondisclosure within their individual clinical supervision. Nondisclosure was defined as the intentional withholding of information for example, personal, professional or relational by a supervisee or supervisor within clinical supervision. As this is the first time the phenomenon of nondisclosure has been looked for within nursing clinical supervision, a qualitative design was utilised in order to gain a rich description. Experiences were collected from 10 participants via semi-structured interviews and a thematic analysis was carried out on the data. The analysis indicated that participants did utilise nondisclosure and five main themes were identified: expected to be a superhuman, you work with them more than your family, a poorly defined space, relationally unsafe, and strategies to stay safe. These themes operated on an individual level, structural level and cultural level. The findings point to the importance of creating a regular and structured space, that is clearly defined and understood by both supervisee and supervisor, and one that feels predictable and safe. This finding was is in line with existing research in therapeutic supervision. Previously unreported findings included the internalised belief that nurses need to be ‘superhuman’ and the important interactions of the team in an environment that requires cooperation to be effective. These interacted with the other findings to create an environment that facilitated nondisclosure.
Star Formation triggered by cloud-cloud collisions
Creators: name: Balfour, S. K.
name: Whitworth, A. P.
name: Hubber, D. A.
name: Jaffa, S. E.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the results of SPH simulations in which two clouds, each having mass $M_{_{\rm{o}}}\!=\!500\,{\rm M}_{_\odot}$ and radius $R_{_{\rm{o}}}\!=\!2\,{\rm pc}$, collide head-on at relative velocities of $Δv_{_{\rm{o}}} =2.4,\;2.8,\;3.2,\;3.6\;{\rm and}\;4.0\,{\rm km}\,{\rm s}^{-1}$. There is a clear trend with increasing $Δv_{_{\rm{o}}}$. At low $Δv_{_{\rm{o}}}$, star formation starts later, and the shock-compressed layer breaks up into an array of predominantly radial filaments; stars condense out of these filaments and fall, together with residual gas, towards the centre of the layer, to form a single large-$N$ cluster, which then evolves by competitive accretion, producing one or two very massive protostars and a diaspora of ejected (mainly low-mass) protostars; the pattern of filaments is reminiscent of the hub and spokes systems identified recently by observers. At high $Δv_{_{\rm{o}}}$, star formation occurs sooner and the shock-compressed layer breaks up into a network of filaments; the pattern of filaments here is more like a spider's web, with several small-$N$ clusters forming independently of one another, in cores at the intersections of filaments, and since each core only spawns a small number of protostars, there are fewer ejections of protostars. As the relative velocity is increased, the {\it mean} protostellar mass increases, but the {\it maximum} protostellar mass and the width of the mass function both decrease. We use a Minimal Spanning Tree to analyse the spatial distributions of protostars formed at different relative velocities.
description: 10 pages, 11 figures
Relationship of gut microbiome genera with metabolic and behavioral traits in outbred HS rat
Creators: name: Woods, Leah
name: Deal, Aaron
name: Seshie, Osborne
name: Szalanczy, Alexandria
name: Langefeld, Carl
name: Yadav, Hariom
name: Nagpal, Ravinder
Publisher: name: figshare
Year: 2023
Subjects: Other health sciences not elsewhere classified
Nutritional science

description: Supplemental information for manuscript on the relationship between the gut microbiome and both metabolic and behavioral phenotypes in outbred heterogeneous stock rats.
title: Could antiplatelet therapy prevent hepatocellular carcinoma? 7 Tesla liver magnetic resonance imaging study in a mouse model of hbv-related chronic hepatitis
Creators: name: Marra, Paolo
Publisher: name: European Congress of Radiology
Year: 2013
Subjects: subject: Liver
subject: Oncology
subject: MR
subject: Image manipulation / Reconstruction
subject: Efficacy studies
subject: Contrast agent-intravenous
subject: Computer Applications-3D
subject: Cirrhosis
subject: Infection
subject: Pathology

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: Hepatitis B virus (HBV)chronically infects more than 350.000.000 peopleworldwide and in most cases antiviral therapy fails to eradicatethe infection 1,2 .Moreover chronic liverinflammation is caused by a dysfunctionalTcell responsethatincreases...
Exploring the Impact of COVID-19 on the Postnatal Period for First-time Mothers Experiencing Postnatal Depression: a Thematic Analysis
Creators: name: Barnes, Rachel
Publisher: name: UH Research Archive
Year: 2023
Subjects: postnatal depression
postnatal period
COVID-19
maternal mental health
thematic analysis

description: Research has identified the negative impact that postnatal depression has on new mothers' wellbeing and that of their family. With mothers in the postnatal period facing unique challenges during the COVID-19 pandemic, there is an increased need to explore the effects of the pandemic on mothers experiencing postnatal depression to understand where support may be needed. A systematic literature review highlighted a gap in this area of inquiry. This study employed a qualitative approach to explore the impact of COVID-19 on the postnatal period for first-time mothers experiencing postnatal depression. Using semi-structured interviews, this research sought to understand the experiences of 12 first-time mothers who experienced postnatal depression during the pandemic. Five main themes were identified through analysis: 'fear of COVID-19', 'being alone', 'relationship with services', 'impact on partner relationships' and 'coping strategies'. Nine respective subthemes were constructed, which identified that COVID-19 had a predominantly negative impact on the wellbeing of new mothers experiencing postnatal depression, however, there were some advantages to their partner being home for several participants. Findings are discussed in relation to the wider literature and the implications are presented, alongside a critical appraisal of the research. Recommendations for future research will also be outlined.
The cytokine response to three days of intensive training
Creators: name: Behr, Melissa B.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2007

description: This experiment determined the acute and cumulative responses of IL-6 and TNF-7 to three consecutive days of intensive training (Session I, II and III). Results showed that exercise caused a similar increase in IL-6 from pre- to post-exercise for all sessions, but no changes in resting, baseline values. Results also showed an increase in TNF-7 after Sessions II and III, but not Session I. The percent change in TNF-7 was greatest for Session II, and resting TNF-7 was significantly elevated by the end of the study. In conclusion, three days of intensive training separated by ~24 hours do not result in a significant widening of the “Open Window” period following exercise, as the environment created by exercise in predominantly anti-inflammatory, as evidenced by increased IL-6. This means that athletes who train intensively for three consecutive days do not appear to be at a greater risk of becoming ill.
Whole Life
Creators: name: Gale, Tim
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Medicine and Health Sciences
subject: Life Sciences
subject: Mental Health
subject: Recovery
subject: Schizophrenia
subject: Whole Life

description: Supporting documentation for the publication: "Whole Life: a feasibility study of a recovery-focussed intervention in patients with stabilised schizophrenia"