cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Increased isolation mass for pebble accreting planetary cores in pressure maxima of protoplanetary discs
Creators: name: Sándor, Zsolt
name: Regály, Zsolt
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The growth of a pebble accreting planetary core is stopped when reaching its \textit{isolation mass} that is due to a pressure maximum emerging at the outer edge of the gap opened in gas. This pressure maximum traps the inward drifting pebbles stopping the accretion of solids onto the core. On the other hand, a large amount of pebbles ($\sim 100M_\oplus$) should flow through the orbit of the core until reaching its isolation mass. The efficiency of pebble accretion increases if the core grows in a dust trap of the protoplanetary disc. Dust traps are observed as ring-like structures by ALMA suggesting the existence of global pressure maxima in discs that can also act as planet migration traps. This work aims to reveal how large a planetary core can grow in such a pressure maximum by pebble accretion. In our hydrodynamic simulations, pebbles are treated as a pressureless fluid mutually coupled to the gas via drag force. Our results show that in a global pressure maximum the pebble isolation mass for a planetary core is significantly larger than in discs with power-law surface density profile. An increased isolation mass shortens the formation time of giant planets.
description: 6 pages, 3 figures, This article has been accepted for publication in MNRAS Letters Published by Oxford University Press on behalf of the Royal Astronomical Society
Sticky obstacles to intramolecular energy flow
Creators: name: Paškauskas, R.
name: Chandre, C.
name: Uzer, T.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Vibrational energy flows unevenly in molecules, repeatedly going back and forth between trapping and roaming. We identify bottlenecks between diffusive and chaotic behavior, and describe generic mechanisms of these transitions, taking the carbonyl sulphide molecule OCS as a case study. The bottlenecks are found to be lower-dimensional tori; their bifurcations and unstable manifolds govern the transition mechanisms.
description: 4 pages, 4 figures
Nathaniel Huntting House, 94 Main St.
Creators: name: (:Unas)
Publisher: name: Unknown
Year: 0
Subjects: Photographs
Photos
Historic buildings
East Hampton
Structures
Dwellings
Huntting, Nathaniel, 1675-1753

description: This image shows two women standing outside the Nathaniel Huntting House. The origin of this image is unknown, but this reproduction looks to be framed and matted, along with a pressed clover leaf onto of the matt in the right corner. This reproduction was collected sometime from 1970 to 1982 as part of the East Hampton’s Heritage Photo Collection.
description: Images within East Hampton Heritage Photo Collection seem to have been taken or collected in relation to the East Hampton Heritage project, but not all of them were included in the final publication. Several photographer are included in this collection.
SPH High Velocity Impact Analysis - A Birdstrike Windshield Application
Creators: name: Grimaldi, Arcangelo
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2010

description: This dissertation is the result of a research focused on the study, with the help of finite element analysis , of an aircraft windshield-surround structure with an innovative configuration, that satisfies the bird-strike requirement according to the EASA Certification Specifications 25.631 on the ”Bird-strike Damage” [CS25.631 (2003)].
The first step was the numerical analysis of a simplified, but realistic, square flat windshield model subjected to impact by a 1.8 kg bird model at 155m/s with an impact angle of 90◦. The FE-SPH coupled approach was used to simulate the birdstrike by using the explicit finite element solver code LS-Dyna.
The second step was the execution of a parametric analysis on the square model to estimate the influence of the target geometry, the impact angle, and the plate curvature on the impact response of the windshield structure. The goal of these numerical simulations was the evaluation of the windshield capability to absorb the impact energy, involving during a birdstrike event, in a safe and efficient way without any damage.
Finally it was developed a numerical simulation of birdstrike event on a full-scale aircraft windshield-surround model. This FE numerical analysis showed the capability of the real innovative windshield to withstand to the impact force transferred by the bird during the impact and permitted the definition of some guidelines to execute a certification test simulation and to give an impact test article proposal, needed for a design of an airplane windshield structure able to resist to a birdstrike event in according with the conditions stated in the CS 25 standard requirements.
Noetherian types of homogeneous compacta and dyadic compacta
Creators: name: Milovich, David
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Topology (math.GN)
subject: Logic (math.LO)
subject: FOS: Mathematics
subject: 54A25; 54D70;

description: The Noetherian type of a space is the least $κ$ such that it has a base that is $κ$-like with respect to containment. Just as all known homogeneous compacta have cellularity at most $2^ω$, they satisfy similar upper bounds in terms of Noetherian type and related cardinal functions. We prove these and many other results about these cardinal functions. For example, every homogeneous dyadic compactum has Noetherian type $ω$. Assuming GCH, every point in a homogeneous compactum $X$ has a local base that is $c(X)$-like with respect to containment. If every point in a compactum has a well-quasiordered local base, then some point has a countable local $π$-base.
description: 30 pages
Semi-empirical white dwarf initial-final mass relationships: a thorough analysis of systematic uncertainties due to stellar evolution models
Creators: name: Salaris, Maurizio
name: Serenelli, Aldo
name: Weiss, Achim
name: Bertolami, Marcelo Miller
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Using the most recent results about white dwarfs in 10 open clusters, we revisit semi-empirical estimates of the initial-final mass relation in star clusters, with emphasis on the use of stellar evolution models. We discuss the influence of these models on each step of the derivation. One intention of our work is to use consistent sets of calculations both for the isochrones and the white dwarf cooling tracks. The second one is to derive the range of systematic errors arising from stellar evolution theory. This is achieved by using different sources for the stellar models and by varying physical assumptions and input data. We find that systematic errors, including the determination of the cluster age, are dominating the initial mass values, while observational uncertainties influence the final mass primarily. After having determined the systematic errors, the initial-final mass relation allows us finally to draw conclusions about the physics of the stellar models, in particular about convective overshooting.
description: 53 pages, including 6 figures and 5 tables. Revised and accepted for publications in ApJ
EFFECT OF SEASON ON REPRODUCTIVE PERFORMANCES IN BUFFALO SPECIES (BUBALUS BUBALIS)
Creators: name: Di Francesco, Serena
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2010

description: The importance and competitiveness of buffalo breeding in Italy, compared with the other more established forms of livestock rearing, is demonstrated by the increase
in the national and world buffalo population. The ever-growing trend of milk request and the necessity to cut down fixed production costs make necessary the use of biotechnologies of reproduction, such as artificial insemination (AI) and in vitro embryo production associated to ovum pick-up (OPU), that consent to plan selective directions in short time. A major limiting factor that affect the efficiency of innovative reproductive technologies in buffalo is the seasonality of the species which results in a high incidence of embryonic mortality.  This study provides an overview on the effects of season on reproductive performances in Mediterranean Italian buffalo at Italian latitudes.
Matching Bayesian and frequentist coverage probabilities when using an approximate data covariance matrix
Creators: name: Percival, Will J.
name: Friedrich, Oliver
name: Sellentin, Elena
name: Heavens, Alan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Observational astrophysics consists of making inferences about the Universe by comparing data and models. The credible intervals placed on model parameters are often as important as the maximum a posteriori probability values, as the intervals indicate concordance or discordance between models and with measurements from other data. Intermediate statistics (e.g. the power spectrum) are usually measured and inferences made by fitting models to these rather than the raw data, assuming that the likelihood for these statistics has multivariate Gaussian form. The covariance matrix used to calculate the likelihood is often estimated from simulations, such that it is itself a random variable. This is a standard problem in Bayesian statistics, which requires a prior to be placed on the true model parameters and covariance matrix, influencing the joint posterior distribution. As an alternative to the commonly-used Independence-Jeffreys prior, we introduce a prior that leads to a posterior that has approximately frequentist matching coverage. This is achieved by matching the covariance of the posterior to that of the distribution of true values of the parameters around the maximum likelihood values in repeated trials, under certain assumptions. Using this prior, credible intervals derived from a Bayesian analysis can be interpreted approximately as confidence intervals, containing the truth a certain proportion of the time for repeated trials. Linking frequentist and Bayesian approaches that have previously appeared in the astronomical literature, this offers a consistent and conservative approach for credible intervals quoted on model parameters for problems where the covariance matrix is itself an estimate.
description: 15 pages, 6 figures, version accepted by MNRAS
Minimum Disturbance Measurement without Post-Selection
Creators: name: Baek, So-Young
name: Cheong, Yong Wook
name: Kim, Yoon-Ho
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose and demonstrate a linear optical device which deterministically performs optimal quantum measurement or minimum disturbance measurement on a single-photon polarization qubit with the help of an ancillary path qubit introduced to the same photon. We show theoretically and experimentally that this device satisfies the minimum disturbance measurement condition by investigating the relation between the information gain (estimation fidelity) and the state disturbance due to measurement (operation fidelity). Our implementation of minimum disturbance measurement is postselection-free in the sense that all detection events are counted toward evaluation of the estimation fidelity and the operation fidelity, i.e., there is no need for coincidence postselection of the detection events.
description: 4 pages, 3 figures, 1 table
title: Schengen and Free Movement Law During the First Phase of the Covid-19 Pandemic: Of Symbolism, Law and Politics
Creators: name: Thym, Daniel
name: Bornemann, Jonas
Publisher: name: European Papers (www.europeanpapers.eu)
Year: 2021
Subjects: subject: Covid-19
subject: Schengen
subject: internal border controls
subject: free movement
subject: fortress Europe
subject: border closure

description: European Papers - A Journal on Law and Integration, 2020 5(3), 1143-1170
description: I. Introduction: border closures as a source of symbolic capital. - II. Reintroduction and termination of internal border controls. - II.1. Legality of the initial suspension of border-free travel. - II.2. Alternatives to systematic internal border controls. - II.3. Return to normality: intergovernmental cooperation. - II.4. Institutional implications: limited sway of legal supranationalism. - III. "A Europe that protects": closure of the external Schengen border. - III.1. "Fortress Europe" as an affirmative narrative. - III.2. Individualised assessment and proportionality. - III.3. Exemption of travellers with an "essential function or need". - IV. Restricting the free movement of Union citizens. - IV.1. The principle of proportionality: between individual cases and abstract considerations. - IV.2. Distinguishing different categories of free movement. - IV.3. Graded approaches towards quarantine and other alternatives. - IV.4. Practical implications of travel restrictions. - IV.5. Coherence of domestic and border restrictions. - V. Conclusion.
description: Initial response to the Covid-19 pandemic capitalised on symbolism of national belonging. Against this background, borders soon took centre stage in the effort to tackle the spread of the virus during the spring of 2020 with Member States enforcing drastic restrictions to inter-state mobility, both at internal and external Schengen borders. As the second wave rolled in, restrictions gained momentum again, even though Member States by and large, did not revert to symbolically relevant border controls and travel bans. This Article revisits the measures taken by the Member States and EU institutions at the internal and external borders of the Schengen area until late-October 2020 and draws lessons regarding the interaction of symbolism, law and politics in times of crisis. It focuses on shifts in the perception of borders and the role of different actors in the closure and the subsequent re-opening thereof. We illustrate that the supranational institutions struggled to support the rule of law without the political support of the Member States, even though the rich case law of the Court of Justice on the internal market provides critical doctrinal arguments that can be employed in times of crises.
Cosmological Constraints on New Agegraphic Dark Energy
Creators: name: Wei, Hao
name: Cai, Rong-Gen
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this work, we consider the cosmological constraints on the new agegraphic dark energy (NADE) proposed in arXiv:0708.0884, by using the observational data of type Ia supernovae (SNIa), the shift parameter from cosmic microwave background (CMB) and the baryon acoustic oscillation (BAO) peak from large scale structures (LSS). Thanks to its special analytic features in the radiation-dominated and matter-dominated epochs, NADE is a single-parameter model in practice because once the single model parameter $n$ is given, all other physical quantities of NADE can be determined correspondingly. The joint analysis gives the best-fit value (with $1σ$ uncertainty) $n=2.716^{+0.111}_{-0.109}$, and the derived $Ω_{m0}$, $Ω_{q0}$ and $w_{q0}$ (with $1σ$ uncertainties) are $0.295^{+0.020}_{-0.020}$, $0.705^{+0.020}_{-0.020}$ and $-0.794^{+0.006}_{-0.005}$, respectively. In addition, we find that the coincidence problem could be solved naturally in the NADE model provided that $n$ is of order unity.
description: 11 pages, 2 tables, 3 figures, revtex4; v2: discussions added, Phys. Lett. B in press; v3: published version
High-sensitivity radio study of the non-thermal stellar bow shock EB27
Creators: name: Benaglia, Paula
name: del Palacio, Santiago
name: Hales, Christopher
name: Colazo, Marcelo E.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We present a deep radio-polarimetric observation of the stellar bow shock EB27 associated to the massive star BD+43 3654. This is the only stellar bow shock confirmed to have non-thermal radio emission. We used the Jansky Very Large Array in S band (2 - 4GHz) to test whether this synchrotron emission is polarised. The unprecedented sensitivity achieved allowed us to map even the fainter regions of the bow shock, revealing that the more diffuse emission is steeper and the bow shock brighter than previously reported. No linear polarisation is detected in the bow shock above 0.5%, although we detected polarised emission from two southern sources, probably extragalactic in nature. We modeled the intensity and morphology of the radio emission to better constrain the magnetic field and injected power in relativistic electrons. Finally, we derived a set of more precise parameters for the system EB27-BD+43 3654 using Gaia Early Data Release 3, including the spatial velocity. The new trajectory, back in time, intersects the core of the Cyg OB2 association.
description: Accepted for publication in MNRAS; 11 figures, 10 pages
Aspetti morfofunzionali del ginocchio: Traumatologia e riabilitazione
Creators: name: Federici, Emanuele
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2010

description: Tecniche e metodologie di riabilitazione dell'articolazione del ginocchio finalizzate alla ripresa dell'attività sportiva in atleti o in pazienzi che hanno subito interventi di protesizzazione.
Interacting Tachyon: generic cosmological evolution for a tachyon and a scalar field
Creators: name: de la Macorra, A.
name: Filobello, U.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the cosmological evolution of a tachyon scalar field T with a Dirac-Born-Infeld type lagrangian and potential V(T) coupled to a canonically normalized scalar field ϕwith an arbitrary interaction term B(T,ϕ) in the presence of a barotropic fluid $\rb$, which can be matter or radiation. The force between the barotropic fluid and the scalar fields is only gravitational. We show that the dynamics is completely determine by only three parameters L1 = - V_T/ V^{3/2}, L2= - B_T /B^{3/2} and L3 =-B_ϕ/B. We determine analytically theconditions for $\lm_i$ under which the energy density of T, ϕand $\rb$ have the same redshift. We study the behavior of T and ϕin the asymptotic limits for L_i and we show the numerical solution for different interesting cases. The effective equation of state for the tachyon field changes due to the interaction with the scalar field and we show that it is possible for a tachyon field to redshift as matter in the absence of an interaction term B and as radiation when B is turned on. This result solves then the tachyonic matter problem.
description: 13 pages, 5 figures
Spin-Incoherent Transport in Quantum Wires
Creators: name: Hew, W. K.
name: Thomas, K. J.
name: Pepper, M.
name: Farrer, I.
name: Anderson, D.
name: Jones, G. A. C.
name: Ritchie, D. A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: When a quantum wire is weakly confined, a conductance plateau appears at e^2/h with decreasing carrier density in zero magnetic field accompanied by a gradual suppression of the 2e^2/h plateau. Applying an in-plane magnetic field B|| does not alter the value of this quantization; however, the e^2/h plateau weakens with increasing B|| up to 9 T, and then strengthens on further increasing B||, which also restores the 2e^2/h plateau. Our results are consistent with spin-incoherent transport in a one-dimensional wire.
description: 4 pages, 6 figures
Stationary waves in a superfluid gas of electron-hole pairs in bilayers
Creators: name: Fil, D. V.
name: Shevchenko, S. I.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Stationary waves in the condensate of electron-hole pairs in the $n-p$ bilayer system are studied. The system demonstrates the transition from a uniform (superfluid) to a nonuniform (supersolid) state. The precursor of this transition is the appearance of the roton-type minimum in the collective mode spectrum. Stationary waves occur in the flow of the condensate past an obstacle. It is shown that the roton-type minimum manifests itself in a rather complicated stationary wave pattern with several families of crests which cross one another. It is found that the stationary wave pattern is essentially modified under variation in the density of the condensate and under variation in the flow velocity. It is shown that the pattern is formed in the main part by shortwave modes in the case of a point obstacle. The contribution of longwave modes is clearly visible in the case of a weak extended obstacle, where the stationary wave pattern resembles the ship wave pattern.
Additional file 1 of Clinical observation of posterior scleral reinforcement in the treatment of progressive high myopia in Chinese children: a retrospective study
Creators: name: Gao, Shouming
name: Liu, Yuanlong
name: Ma, Shuting
name: Li, Lixia
name: Mao, Yanyan
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Additional file 1. The outcomes of the patients 2 years after surgery.
title: A study in the interrelationships between humans and cattle in the early Bronze Age of southwestern Asia
Creators: name: Miranda, Mitchell
Publisher: name: University of Reading
Year: 2019

description: The archaeological investigation of the peoples and cultures of Southwestern Asia has been a subject of study for well over a century, and over time much has been discovered relating to those past individuals and the civilizations they created. With the development of archaeozoology, much information has been uncovered relating to human and animal relationships and the impacts of domesticated species on human dietary and economic practices. Unfortunately, the use of archaeozoological work has not shed much light on the impacts of animals on social practices to determine the utilisation of a particular species by human populations. This is due to the fact that the research focus of most faunal studies is to produce an unbiased documentation of animal material and its relation to food consumption and economic organization and practices. The main purpose of this research is to investigate the interrelationships between humans and cattle both economically and socially to determine how this particular animal affected human behaviour within a specific period in history. By investigating material culture and faunal remains together, we gain a broader image of the animal than merely viewing it as either an artistic representation or as a portion of a faunal assemblage. Even though there have been previous studies relating to human and animal relationships, with a few studies specifically investigating cattle, these studies typically focus on either the material culture representing the animal or the faunal assemblages of a single or multiple archaeological sites. The results of this research indicate that this interrelationship is much more complex than initially thought; it has also been discovered that the iconography of the species, as well as the faunal remains are concentrated within similar areas, which indicates that the animal was more influential within religious and administrative areas. This means that cattle may have been more influential, at least socially, than other domesticated animal species. This research differs from previous work on the subject by investigating both the material culture and faunal assemblages from multiple sites of varying sizes as well as multiple cultural regions within Southwestern Asia during a specific period in history. Through this research, it has been discovered that, cattle were kept and cultivated within various environments and were utilised for both economic and social practices. Moreover, the utilization of cattle in the development of agricultural practices was instrumental in the formation of urban living, which may indicate why cattle were so highly valued. As for the social and iconographic role of cattle, it has been established that the animal became associated with particular deities and elite individuals, which may explain why the iconography associated with cattle was so influential and widespread.
The extent of agreement among counsellors on practical models of counselling
Creators: name: Grimes, Barbara Lynn
Publisher: name: University of British Columbia
Year: 2010

description: The present study examined types of practical models evident in the reported practice of counsellors at the every-day clinical level. It was found that there was one dominant model. The practical model reported by graduate counselling students was similar to the predominant model indicated by professors. The model found tends to agree with the relationship aspect of counselling as described by Egan (1982) in Stage 1 and Stage 2. However, goal setting and problem-solving techniques found in Stage 2 and 3, respectively; were not apparent. Twenty-seven individuals, twelve faculty members and fifteen graduate students in the Department of Counselling Psychology at the University of British Columbia participated in the study. Using sixty statements selected from Egan's (1982) developmental model of counselling, each participant was asked to Q-sort the statements according to what was most characteristic of oneself as a practising counsellor or as characteristic of oneself as the practising counsellor one hoped to be. Participant's results were intercorrelated. The matrix of intercorrelations was submitted to principal components analysis and then to a varimax rotation. The clearest data reduction was achieved by the first principal component without rotation. The results indicated one dominant, hypothetical model of counselling used by this sample. Also, the similarities of the hypothetical counselling model and Egan's (1982) model were within Stages 1 and 2. They differed in setting goals and problem-solving techniques.
Random telegraph noise from magnetic nanoclusters in the ferromagnetic semiconductor (Ga,Mn)As
Creators: name: Zhu, M.
name: Li, X.
name: Xiang, G.
name: Samarth, N.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Measurements of the low frequency electrical noise in the ferromagnetic semiconductor (Ga,Mn)As reveal an enhanced integrated noise at low temperature. For moderate localization, we find a 1/f normalized power spectrum density over the entire range of temperatures studied (4.2K < T < 70K). However, for stronger localization and a high density of Mn interstitials, we observe Lorentzian noise spectra accompanied by random telegraph noise. Magnetic field dependence and annealing studies suggest that interstitial Mn defects couple with substitutional Mn atoms to form nanoscale magnetic clusters characterized by a net moment of about 20 Bohr magnetons whose fluctuations modulate hole transport.
title: Bank market structure, earnings quality and syndicated loan
Creators: name: Mi, Biao
Publisher: name: University of Reading
Year: 2024

description: With three empirical essays, this thesis aims to offer additional empirical evidence on syndicated loans. Specifically, the first two essays focus on the role played by bank market structure in determining syndicated loan prices (Chapter 3) and syndicate structure (Chapter 4) by using US data. The third essay (Chapter 5) further investigates the determination of loan prices and syndicate structure in an emerging market, China, where corporate borrowers carry unique characteristics, such as low information transparency and state-ownership. I show supporting evidence to market power hypothesis that syndicated loan prices are positively associated with the concentration of both borrower’s and lead arranger’s markets but not that of participant lenders’ markets. In addition, loan prices are more sensitively to the concentration of lead arranger’s market than to borrower’s market. In a sharp contrast, loan prices are negatively associated with bank concentration if a loan syndication is led by an investment bank or non-bank financial institution. The thesis also provides novel evidence on the role of market power on syndicate structure where a lead arranger with a greater bank market power would effectively alleviate the asymmetric information problem between lead arranger and the participant banks by performing more ex-ante screen and ex-post monitor activities leading to a more dispersed syndicate structure. Finally, I study how earnings quality and state-ownership affect loan terms, syndicated structure and foreign lender participation in leading loan syndication in China. I show that earnings quality has little impact on syndicate structure but it has a stronger impact on the spreads of loans issued to state-owned enterprises (SOEs) and loans led by foreign lenders. State-ownership, instead, alleviates the problems of adverse selection and moral hazards in loan syndication and motivates foreign bank to participate.
A possible link between turbulence and plasma heating
Creators: name: Yordanova, Emiliya
name: Vörös, Zoltán
name: Sorriso-Valvo, Luca
name: Dimmock, Andrew P.
name: Kilpua, Emilia
Publisher: name: arXiv
Year: 2021
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences
subject: J.2

description: Numerical simulations and experimental results have shown that current sheets formation in space plasmas can be associated with enhanced vorticity. Also, in simulations the generation of such structures is associated with strong plasma heating. Here, we compare four-point measurements in the terrestrial magnetosheath turbulence from the Multiscale magnetospheric mission (MMS) of the flow vorticity and the magnetic field curlometer versus their corresponding one-point proxies PVI(V) and PVI(B) based on the Partial Variance of Increments (PVI) method. We show that the one-point proxies are sufficiently precise in identifying not only the generic features of the current sheets and vortices statistically, but also their appearance in groups associated with plasma heating. The method has been further applied to the region of the turbulent sheath of an interplanetary coronal mass ejection (ICME) observed at L1 by WIND spacecraft. We observe current sheets and vorticity associated heating in larger groups (blobs), which so far have not been considered in the literature on turbulent data analysis. The blobs represent extended spatial regions of activity with enhanced regional correlations between the occurrence of conditioned currents and vorticity, which at the same time are also correlated with enhanced temperatures. This heating mechanism is substantially different from the plasma heating in the vicinity of the ICME shock, where plasma beta is strongly fluctuating and there is no vorticity. The proposed method describes a new pathway for linking the plasma heating and plasma turbulence, and it is relevant to in-situ observations when only single spacecraft measurements are available.
description: 21 pages, 7 figures
Highly efficient BiVO4 single-crystal nanosheets with dual modification: phosphorus doping and selective Ag modification
Creators: name: Fu, Can
name: Xu, Baoyun
name: Dong, Lingling
name: Zhai, Jinguo
name: Wang, Xuefei
name: Wang, De-Yi
Publisher: name: arXiv
Year: 2021
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: BiVO4, a visible-light response photocatalyst, has shown tremendous potential because of abundant raw material sources, good stability and low cost. There exist some limitations for further applicaitions due to poor capability to separate electron-hole pairs. In fact, a single-component modification strategy is barely adequate to obtain highy efficient photocatalytic performance. In this work, P substituted some of the V atoms from VO4 oxoanions, namely P was doped into the V sites in the host lattice of BiVO4 by a hydrothermal route. Meanwhile, Ag as an attractive and efficient electron-cocatalyst was selectively modified on the (010) facet of BiVO4 nanosheets via facile photo-deposition. As a result, the obtained dually modified BiVO4 sheets exhibited enhanced photocatalytic degradation property of methylene blue (MB). In detail, photocatalytic rate constant (k) was 2.285 min-1g-1, which was 2.78 times higher than pristine BiVO4 nanosheets. Actually, P-doping favored the formation of O vacancies, led to more charge carriers, and facilitated photocatalytic reaction. On the other hand, metallic Ag loaded on (010) facet effectively transferred photogenerated electrons, which consequently helped electron-hole pairs separation. The present work may enlighten new thoughts for smart design and controllable synthesis of highly efficient photocatalytic materials.
Ottimizzazione dei criteri di progetto per le strutture di acciaio in zona sismica con controventi concentrici
Creators: name: De Lucia, Tony
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2013

description: La ricerca svolta ha avuto come principale obiettivo quello di eseguire una valutazione critica dei criteri di progetto delle strutture di acciaio a controventi concentrici proposti dalla normativa tecnica italiana (D.M. 14 gennaio 2008).
L’attenzione è stata posta, in particolare, su due tipologie di controventi concentrici, quali quelli a V rovescia e ad X, esaminando l’influenza di diversi parametri progettuali sul loro dimensionamento e comportamento sismico.
Per i controventi a V rovescia i fattori considerati sono stati il fattore di sovra-resistenza omega e il criterio di gerarchia delle resistenze. Per valutare l’influenza che tali fattori comportano nella progettazione sono state effettuate diverse ipotesi di progetto, per un edificio di dieci piani. Le ipotesi di progetto sono state valutate in quattro diverse zone di intensità sismica differente.
Il fattore di sovra-resistenza omega ha una duplice influenza nella progettazione di strutture controventate; da un lato, con la limitazione sulla massima differenza tra i fattori di sovra-resistenza delle diagonali calcolati per ogni piano condiziona la scelta dei profili da adottare, non lasciando più che sia la sola resistenza a dettare la scelta del profilo da utilizzare ma la necessità di ottenere alla fine una distribuzione uniforme delle richieste di duttilità per l’intero sviluppo in verticale dell’edificio. L’altro aspetto che il fattore omega influenza è il progetto degli elementi colonna, amplificandone le sollecitazioni sismiche. Considerate tali premesse, sono state progettate strutture che tenevano in conto tale limitazione e strutture che invece trascuravano tale limite, al fine di valutarne l’influenza sulle sezioni risultanti e sul comportamento finale della struttura. Per le strutture con controventi a V rovescia è stata valutata, allo stesso modo, l’influenza della sovra-resistenza legata all’effetto dell'incrudimento e la sovra-resistenza legata alla variabilità della tensione di snervamento del materiale base.
Per le strutture con controventi ad X, invece, sono stati valutati aspetti diversi della progettazione. Sono stati presi in considerazione edifici aventi due differenti numero di piani, in particolare tre e sei piani. Diversamente dal caso dei controventi a V rovescia i parametri analizzati per questa tipologia di controventi sono stati la classe di duttilità strutturale, la classe del sottosuolo e, infine, il criterio di progettazione delle diagonali (progetto con sola diagonale tesa o con entrambe le diagonali) Anche per questa tipologia di controventi i progetti sono stati eseguiti in zone di pericolosità sismica diversa. Le analisi condotte su entrambe le tipologie di controventi considerati sono state del tipo statico lineare e non lineare.
Role of WT1-ZNF224 interaction in the regulation of leukemia cells apoptosis
Creators: name: Montano, Giorgia
Publisher: name: Università degli Studi di Napoli Federico II
Year: 2013

description: The transcription factor Wilms’ tumour gene 1, WT1, is implicated both in normal developmental processes and in the generation of a variety of solid tumors and hematological malignancies. Physical interactions of other cellular proteins with WT1 are known to modulate its function. We previously identified the Krüppel-like zinc finger protein, ZNF224, as a novel human WT1-associating protein that enhances the transcriptional activation of the human vitamin D receptor promoter by WT1. Here, we have analyzed the effects of WT1/ZNF224 interaction on the expression of apoptosis-regulating genes in the chronic myelogenous leukemia (CML) K562 cell line. The results demonstrated that ZNF224 acts in fine tuning of WT1-dependent control of gene expression, acting as a co-activator of WT1 in the regulation of proapoptotic genes and suppressing WT1 mediated trans-activation of antiapoptotitc genes. Moreover, the DNA damaging drug cytosine arabinoside (ara-C) induces expression of ZNF224 in K562 cells and this induction enhances cell apoptotic response to ara-C. These findings suggest that ZNF224 can be a mediator of DNA damage-induced apoptosis in leukemia cells.
Additional file 1 of Evaluating the impact of possible interobserver variability in CBCT-based soft-tissue matching using TCP/NTCP models for prostate cancer radiotherapy
Creators: name: Zhang, Xiangbin
name: Wang, Xin
name: Li, Xiaoyu
name: Zhou, Li
name: Nie, Shihong
name: Li, Changhu
name: Wang, Xuetao
name: Dai, Guyu
name: Deng, Zhonghua
name: Zhong, Renming
Publisher: name: figshare
Year: 2022
Subjects: Space Science
Medicine
Cell Biology
Biotechnology
Biological Sciences not elsewhere classified
Cancer

description: Additional file 1. The absolute and relative volume variations of the rectum and bladder.
Tracing the Galactic thick disk to Solar metallicities
Creators: name: Bensby, T.
name: Zenn, A. R.
name: Oey, M. S.
name: Feltzing, S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We show that the Galactic thick disk reaches at least solar metallicities, and that it experienced strong chemical enrichment during a period of ~3 Gyr, ending around 8-9 Gyr ago. This finding puts further constraints on the relation and interface between the thin and thick disks, and their formation processes. Our results are based on a detailed elemental abundance analysis of 261 kinematically selected F and G dwarf stars in the solar neighborhood: 194 likely members of the thick disk and 67 likely members of the thin disk, in the range -1.3
description: Accepted for publication in ApJ Letters
title: Developing computer networks students’ computational thinking: the case for the use of simulation software
Creators: name: Mvalo, Steve
Publisher: name: University of Reading
Year: 2019

description: The current study set out to investigate students’ and lecturers’ understanding of computational thinking (CT) and their perceptions of how students’ CT skills could be facilitated through the use of simulation software. This is an important research area as studies have shown that developing Computer Sciences students’ CT skills could enable them to become producers of technology in the 21st century. Mixed methodologies with qualitative methods were espoused in addressing the research questions. Data were collected from a UK university via surveys (69 students and 14 lecturers), interviews (four students and three lecturers), two focus groups with seven undergraduate students and six postgraduate students, problem-solving tasks using simulation software, and reflective reports from six postgraduate students. Using thematic qualitative data analysis, findings of the first research question indicated that students’ and lecturers’ understanding of CT went beyond the predetermined themes of the common conceptualisation of CT i.e. abstraction, decomposition and generalisation, and that it encompasses other dimensions of CT e.g. algorithmic thinking and problem-solving approaches. However, students’ and lecturers’ overall understanding of CT was predominantly based on the concept of decomposition and lecturers were not conscious of the concepts of CT when teaching and assessing students, indicating lack of their understanding in teaching and assessing students’ CT skills. In the second research question, students’ and lecturers’ perceptions indicated that simulation software provides a conducive platform to facilitate students’ CT skills. Finally, in the third research question, students were able to demonstrate the concepts of abstraction, decomposition and generalisation using problem solving tasks via simulation software though subconsciously. From this study it is recommendable that simulation software be used to facilitate the application and development of students’ CT skills.
A Comparative Study of Quality of Life of Patients Who Underwent Total Laparoscopic Hysterectomy and Total Abdominal Hysterectomy
Creators: name: Shina Oranratanaphan
Publisher: name: PIMDEE Co., Ltd.
Year: 2019
Subjects: total laparoscopic hysterectomy
quality of life
complication
EQ-5D

description: Thai Journal of Obstetrics and Gynaecology, 27, 2, 57-64
Exploration of enhancer-promoter interactions and their transcription factor networks using topic modelling
Creators: name: Hecker, Dennis
name: Baumgarten, Nina
name: Schulz, Marcel H
Publisher: name: F1000 Research Limited
Year: 2021

description: We applied topic modelling on predicted transcription factor (TF) binding sites in regulatory interactions. By including both sides of the interaction, the enhancer as well as the gene's promoter, we aim to get further insight into the TFs that are relevant for regulation. The topic model returns two probability distributions: the importance of a TF for a topic and the probability of an interaction to belong to a topic. The combination of both, together with additional data like RNA-seq, Hi-C or annotations of super-enhancers, could help to understand which combinations of TFs occur and whether they are accompanied by specific characteristics of the regulatory interaction.
A determination of the longitudinal structure function $F_{L}$ from the parametrization of $F_{2}$ based on the Laplace transformation
Creators: name: Boroun, G. R.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: I calculate the longitudinal structure function, using Laplace transform techniques, from the parametrization of the structure function $F_{2}(x,Q^{2})$ and its derivative at low values of the Bjorken variable $x$. I consider the effect of the charm quark mass to the longitudinal structure function, which leads to rescaling variable for $n_{f}=4$. The results are compared with the H1 collaboration data and the CTEQ-Jefferson Lab (CJ) collaboration [Phys.Rev.D {\bf93}, 114017 (2016)] parametrization model. The obtained results with the Bjorken variable of $x$ are found to be comparable with the results L.P.Kaptari et al. [Phys.Rev.D {\bf99}, 096019 (2019)] which is based on the Mellin transform techniques.
Conservation Laws and the Multiplicity Evolution of Spectra at the Relativistic Heavy Ion Collider
Creators: name: Chajȩcki, Zbigniew
name: Lisa, Mike
Publisher: name: arXiv
Year: 2008
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Transverse momentum distributions in ultra-relativistic heavy ion collisions carry considerable information about the dynamics of the hot system produced. Direct comparison with the same spectra from $p+p$ collisions has proven invaluable to identify novel features associated with the larger system, in particular, the "jet quenching" at high momentum and apparently much stronger collective flow dominating the spectral shape at low momentum. We point out possible hazards of ignoring conservation laws in the comparison of high- and low-multiplicity final states. We argue that the effects of energy and momentum conservation actually dominate many of the observed systematics, and that $p+p$ collisions may be much more similar to heavy ion collisions than generally thought.
description: 15 pages, 14 figures, submitted to PRC; Figures 2,4,5,6,12 updated, Tables 1 and 3 added, typo in Tab.V fixed, appendix B partially rephrased, minor typo in Eq.B1 fixed, minor wording; references added
TO'G'RIDAN-TO'G'RI XORIJIY INVESTITSIYALARNING IQTISODIY MOHIYATI VA AHAMIYATI
Creators: name: Navruzov, Ikram
Publisher: name: Zenodo
Year: 2023

description: Ushbu maqolada to‘g‘ridan-to‘g‘ri xorijiy investitsiyalarning nazariy asoslari hamda iqtisodiy mohiyati yoritilgan bo‘lib, mamlakatga investitsiyalarni jalb etishda investitsion muhitning o‘rni va investitsiyalarni faol jalb etish yo‘llari haqida so‘z yuritilgan. Shuningdek, xorijiy va mahalliy iqtisodchi olimlarning fikr-mulohazalari oʻrganilgan bo’lib, xorijiy investitsiyalarni jalb qilishda zarur bo‘lgan mexanizmlar va investitsion jozibadorlikni oshirish boʻyicha ilmiy xulosalar va tavsiyalar shakllantirilgan.
Additional file 2 of Evaluating the impact of possible interobserver variability in CBCT-based soft-tissue matching using TCP/NTCP models for prostate cancer radiotherapy
Creators: name: Zhang, Xiangbin
name: Wang, Xin
name: Li, Xiaoyu
name: Zhou, Li
name: Nie, Shihong
name: Li, Changhu
name: Wang, Xuetao
name: Dai, Guyu
name: Deng, Zhonghua
name: Zhong, Renming
Publisher: name: figshare
Year: 2022
Subjects: Space Science
Medicine
Cell Biology
Biotechnology
Biological Sciences not elsewhere classified
Cancer

description: Additional file 2. The resulting P values of paired t-test for the normal tissue complication probabilities (NTCPs) of the rectum (left) and bladder (right).
Resolvable designs with large blocks
Creators: name: Morgan, J. P.
name: Reck, Brian H.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62K05 (Primary); 62K10, 05B05 (Secondary)

description: Resolvable designs with two blocks per replicate are studied from an optimality perspective. Because in practice the number of replicates is typically less than the number of treatments, arguments can be based on the dual of the information matrix and consequently given in terms of block concurrences. Equalizing block concurrences for given block sizes is often, but not always, the best strategy. Sufficient conditions are established for various strong optimalities and a detailed study of E-optimality is offered, including a characterization of the E-optimal class. Optimal designs are found to correspond to balanced arrays and an affine-like generalization.
description: Published at http://dx.doi.org/10.1214/009053606000001253 in the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Additional file 3 of Evaluating the impact of possible interobserver variability in CBCT-based soft-tissue matching using TCP/NTCP models for prostate cancer radiotherapy
Creators: name: Zhang, Xiangbin
name: Wang, Xin
name: Li, Xiaoyu
name: Zhou, Li
name: Nie, Shihong
name: Li, Changhu
name: Wang, Xuetao
name: Dai, Guyu
name: Deng, Zhonghua
name: Zhong, Renming
Publisher: name: figshare
Year: 2022
Subjects: Space Science
Medicine
Cell Biology
Biotechnology
Biological Sciences not elsewhere classified
Cancer

description: Additional file 3. Relationships between couch shifts in the anterior and posterior direction and the TCPs of the target and the NTCPs of the rectum for one treatment fraction.