cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Additional file 1 of Predicting extubation in patients with traumatic cervical spinal cord injury using the diaphragm electrical activity during a single maximal maneuver
Creators: name: Zhang, Rui
name: Xu, Xiaoting
name: Chen, Hui
name: Beck, Jennifer
name: Sinderby, Christer
name: Qiu, Haibo
name: Yang, Yi
name: Liu, Ling
Publisher: name: figshare
Year: 2023
Subjects: subject: Biophysics
subject: Physical Sciences not elsewhere classified
subject: Medicine
subject: Cell Biology
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Additional file 1: Table S1. Clinical characteristics of included patients. Table S2. Comparisons of baseline EAdi and ΔEAdi and ΔVT among patients with different ASIA impairment scales. Table S3. Comparisons between patients with or without corresponding sensory impairment. Table S4. Multivariable logistics regression exploring the association between ΔEAdi and extubation success. Table S5. Predictive performance of possible predictors for extubation success. Figure S1. ROC curve analysis of selected variables for predicting extubation success. (A) ΔEAdi; (B) Rapid shallow breathing index; (C) baseline tidal volume; (D) Δ tidal volume; (E) baseline NVE; (F) maximal NVE. Figure S2. Decision curve analysis demonstrated the net benefit associated with the use of ΔEAdi over (A) rapid shallow breathing index; (B) baseline tidal volume; (C) ΔVT; (D) baseline NVE; (E) maximal NVE.
APPLICATION OF TRADITIONAL BANKING INSTRUMENTS IN INTERNATIONAL TRADE
Creators: name: Payzieva, Komila
Publisher: name: Zenodo
Year: 2025

description: International trade plays a pivotal role in the global economy, connecting businesses and markets across borders. For these transactions to be executed smoothly and securely, financial institutions play a crucial role in facilitating trade by providing various banking instruments. Traditional banking instruments are widely used in international trade to mitigate risks, ensure payment, and facilitate the exchange of goods and services. This article explores the application of traditional banking instruments in international trade, focusing on their functions, advantages, and the role they play in modern trade.
Stellar Populations with ELTs
Creators: name: Wyse, Rosemary F. G.
name: Gilmore, Gerard
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The star formation, mass assembly and chemical enrichment histories of galaxies, and their present distributions of dark matter, remain encoded in their stellar populations. Distinguishing the actual distribution functions of stellar age, metallicity and kinematics at several locations in a range of galaxies, sampling across Hubble types and representative environments, is the information required for a robust description of galaxy histories. Achieving this requires large aperture, to provide the sensitivity to reach a range of environs and Hubble types beyond the Local Group, to provide high spatial resolution, since the fields are crowded, and preferably with optical performance since age-sensitivity is greatest near the main-sequence turn-off, and metallicity-sensitivity for these warm stars is greatest in the optical.
description: IAU Symposium No. 232, eds P. Whitelock, B. Leidundgeit & M. Dennefeld
Re-Emergent Kinetic Tremor in Parkinson’s Disease
Creators: name: Gupta, Harsh V.
Publisher: name: Tremor and Other Hyperkinetic Movements
Year: 2019

description: Background: This is a case of re-emergent kinetic tremor in Parkinson’s Disease (PD). Phenomenology shown: The video shows re-emergent kinetic tremor while drawing a spiral and with repeated attempts to drink water from a cup. Educational value: The kinetic tremor described by patients with PD can be a re-emergent tremor which occurs after a few repetitive movements. Keywords: Re-emergent, kinetic tremor, spirals, Parkinon’s disease, essential tremor Citation: Gupta HV. Re-Emergent Kinetic Tremor in Parkinson’s Disease. Tremor Other Hyperkinet Mov. 2019; 9. doi: 10.7916/tohm.v0.660
description: Tremor and Other Hyperkinetic Movements, Tremor and Other Hyperkinetic Movements
Additional file 1 of Satisfaction with life among university students from nine countries: Cross-national study during the first wave of COVID-19 pandemic
Creators: name: Rogowska, Aleksandra M.
name: Ochnik, Dominika
name: Kuśnierz, Cezary
name: Jakubiak, Monika
name: Schütz, Astrid
name: Held, Marco J.
name: Arzenšek, Ana
name: Benatov, Joy
name: Berger, Rony
name: Korchagina, Elena V.
name: Pavlova, Iuliia
name: Blažková, Ivana
name: Konečná, Zdeňka
name: Aslan, Imran
name: Çınar, Orhan
name: Cuero-Acosta, Yonni Angel
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 1.
Hanbury Brown and Twiss effect demonstrated for sound waves from a waterfall; an experimental, numerical and analytical study
Creators: name: Vistnes, Arnt Inge
name: Bergli, Joakim
Publisher: name: arXiv
Year: 2021
Subjects: subject: Physics Education (physics.ed-ph)
subject: FOS: Physical sciences

description: The Hanbury Brown and Twiss effect (HBT) is described by numerical and analytical modeling, as well as experimentally, using sound waves and easily available instrumentation. An interesting phenomenon that has often been considered too difficult to be included in standard physics studies at bachelor and master level, can now be introduced even for second year bachelor students and up. In the original Hanbury Brown and Twiss effect the angular size of the source (the star Sirius) was calculated by determining the distance between two detectors that lead to a drop in the cross-correlations in the signals from the detectors. We find that this principle works equally well by sound waves from a waterfall. This is remarkable, since we use a completely different kind of waves from the HBT case, the frequency of the waves differ by a factor $\sim 10^{12}$ and the wavelength as well as the angular extension of the source seen from the observer's position differ by a factor $\sim 10^{7}$. The original HBT papers were based on measurements of \emph{intensity} fluctuations recorded by two detectors and correlations between these signals. The starting point for the theory that explained the effect was therefore intensity fluctuations per see, and the theory is not easy to understand, at least not for an undergraduate physics student. Our starting point is descriptions of broadband waves at the amplitude level (not at intensity level) by numerical modeling. Important properties of broadband waves can easily be revealed and understood by numerical modeling, and time-resolved frequency analysis (TFA) based on Morlet wavelets turns out to be a very useful tool. In fact, we think it has been far too little attention to broadband waves in physics education hitherto, but the growth of use of numerical methods in basic physics courses opens up new possibilities.
Effects of early rearing history on selected endocrine and immune functions in juvenile Pacific salmonids
Creators: name: Salonius, Kira
Publisher: name: University of British Columbia
Year: 2010

description: The effects of different early rearing conditions on plasma Cortisol concentration, immune function, hematological profile, and disease resistance were examined in populations of hatchery-reared and wild Chinook salmon (Oncorhynchus tshawytscha) and hatchery-reared, wild, and colonized coho salmon (O. kisutch). These features were examined during smoltification and after an acute stress. The effect of initiating feeding with a wild-type diet as compared to a commercially prepared diet was also examined in chinook salmon fry as one aspect of rearing history that is different between fish reared in the hatchery and those in the wild. During smoltification and following periods of acute stress, wild chinook salmon and wild and colonized coho salmon had significantly higher concentrations of plasma Cortisol. Hatchery-reared juveniles showed less sensitivity to stress and lower concentrations of plasma Cortisol during the smoltification period and after an acute stress. Antibody producing cell (APC) number and disease resistance to Vibrio anguillarum were not significantly different between the hatchery and wild chinook salmon. These features were also similar among the hatchery, wild and colonized coho salmon smolts, despite significantly higher levels of circulating Cortisol in the wild and colonized smolts. White blood cell to red blood cell (wbc/rbc) ratios were slightly higher in wild fish than in their hatchery-reared counterparts in chinook and coho salmon juveniles. Significant elevations in plasma Cortisol concentration after an acute stress was still evident retained in the wild and colonized coho salmon juveniles even after holding them for 6 months in an artificial rearing environment. Disease resistance in the wild fish significantly decreased over that time. Following the 6-month rearing period, the initial numbers of APC in the wild fish were significantly higher than those in their hatchery counterparts. This difference precludes the ability to conclude that a cause-effect relationship exists between a high Cortisol response and decreased specific immune function. The use of a live diet to initiate feeding in chinook salmon fry compares favorably to feeding a commercial diet in that the activity of lysozyme and wbc/rbc ratios were higher in this group. Specific immune function was correlated with body weight while non-specific immune defense was not. There appear to be physiological differences between hatchery-reared, wild and colonized coho and chinook salmon. Rearing history may be a determinant in the survival of hatchery-reared salmonids released into the natural environment.
An end-to-end trainable hybrid classical-quantum classifier
Creators: name: Chen, Samuel Yen-Chi
name: Huang, Chih-Min
name: Hsing, Chia-Wei
name: Kao, Ying-Jer
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Machine Learning (cs.LG)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: We introduce a hybrid model combining a quantum-inspired tensor network and a variational quantum circuit to perform supervised learning tasks. This architecture allows for the classical and quantum parts of the model to be trained simultaneously, providing an end-to-end training framework. We show that compared to the principal component analysis, a tensor network based on the matrix product state with low bond dimensions performs better as a feature extractor for the input data of the variational quantum circuit in the binary and ternary classification of MNIST and Fashion-MNIST datasets. The architecture is highly adaptable and the classical-quantum boundary can be adjusted according the availability of the quantum resource by exploiting the correspondence between tensor networks and quantum circuits.
description: 13 pages, 5 figures. arXiv admin note: text overlap with arXiv:2011.14651
Batalin-Vilkovisky Lie Algebra Structure on the Loop Homology of Complex Stiefel Manifolds
Creators: name: Tamanoi, Hirotaka
Publisher: name: arXiv
Year: 2007
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 55P35

description: We determine the Batalin-Vilkovisky Lie algebra structure for the integral loop homology of special unitary groups and complex Stiefel manifolds. It is shown to coincide with the Poisson algebra structure associated to a certain odd symplectic form on a super vector space for which loop homology is the super algebra of functions. Over rationals, the loop homology of the above spaces splits into a tensor product of simple BV algebras, and it is shown to contain a super Lie algebra.
description: 16 pages
Green Investment in the EU and the US: Markup Insights
Creators: name: Bruni, Anastasia
Publisher: name: Unknown
Year: 2025
Subjects: subject: Climate Change
subject: Environmental Economics and Policy
subject: Financial Economics
subject: Sustainability
subject: green investment
subject: markup
subject: market power
subject: instrumental variable

description: This paper examines the effect of green investments on market power. I measure the market power as markup following the method provided in De Loecker and Warzynski (2012). For green investments, I consider specifically the investments of firms in energy efficient technologies, both as the binary variable and as the continuous variable. This allows the examination of how the presence of such investments as well as their intensity affect markups. I use firm, age, year, sector and country fixed effects with a representative sample of indicatively 12,000 firms from the European Investment Bank Investment Survey (EIBIS) in the panel from 2016 to 2022. I find the positive and statistically significant relationship that holds also when applying the 2SLS-IV methodology. This study is particularly relevant for firms that are willing to increase their market power and to improve their environmentally friendly image in the eyes of their customers without the need of engaging in greenwashing practices. Instead, the firms are invited to consider energy efficiency investments as a concrete way of improving both their markups and the loyalty of their customers.
The vacuum impedance and unit systems
Creators: name: Kitano, Masao
Publisher: name: arXiv
Year: 2006
Subjects: subject: General Physics (physics.gen-ph)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: In electromagnetism, the vacuum impedance $Z_0$ is a universal constant, which is as important as the velocity of light $c$ in vacuum. Unfortunately, however, its significance does not seem to be appreciated so well and sometimes the presence itself is ignored. It is partly because in the Gaussian system of units, which has widely been used for long time, $Z_0$ is a dimensionless constant and of unit magnitude. In this paper, we clarify that $Z_0$ is a fundamental parameter in electromagnetism and plays major roles in the following scenes: reorganizing the structure of the electromagnetic formula in reference to the relativity; renormalizing the quantities toward natural unit systems starting from the SI unit system; and defining the magnitudes of electromagnetic units.
description: 6 pages, corrected typos
A proof of the completeness of Lamb modes
Creators: name: Akian, Jean-Luc
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: G.0
subject: 74B05, 35P10

description: The aim of this paper is to give a precise proof of the completeness of Lamb modes and associated modes. This proof is relatively simple and short but relies on two powerful mathematical theorems. The first one is a theorem on elliptic systems with a parameter due to Agranovich and Vishik. The second one is a theorem due to Locker which gives a criterion to show the completeness of the set of generalized eigenvectors of a Hilbert-Schmidt discrete operator.
description: 19 pages
Additional file 2 of Satisfaction with life among university students from nine countries: Cross-national study during the first wave of COVID-19 pandemic
Creators: name: Rogowska, Aleksandra M.
name: Ochnik, Dominika
name: Kuśnierz, Cezary
name: Jakubiak, Monika
name: Schütz, Astrid
name: Held, Marco J.
name: Arzenšek, Ana
name: Benatov, Joy
name: Berger, Rony
name: Korchagina, Elena V.
name: Pavlova, Iuliia
name: Blažková, Ivana
name: Konečná, Zdeňka
name: Aslan, Imran
name: Çınar, Orhan
name: Cuero-Acosta, Yonni Angel
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 2.
Single-Shot Two Dimensional Time Resolved Coherent Anti Stokes Raman Scattering
Creators: name: Paskover, Yuri
name: Averbukh, I. Sh.
name: Prior, Yehiam
Publisher: name: arXiv
Year: 2006
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Single-shot time resolved Coherent Anti-Stokes Raman Scattering (CARS) is presented as a viable method for fast measurements of molecular spectra. The method is based on the short spatial extension of femtosecond pulses and maps time delays between pulses onto the region of intersection between broad beams. The image of the emitted CARS signal contains full temporal information on the field-free molecular dynamics, from which spectral information is extracted. The method is demonstrated on liquid samples of CHBr3 and CHCl3 and the Raman spectrum of the low-lying vibrational states of these molecules is measured.
[Elicitation session in pairs]
Creators: name: Palacio, Philip Tim
name: Prendergast, Eric
name: Stark, Tammy
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2020
Subjects: subject: cab

description: 2 WAV and 1 TXT file.
Parsing of Danny Kaufman's Black Jesus text (ehp_tes_01).
Ab initio Studies of the Possible Magnetism in BN Sheet by Non-magnetic Impurities and Vacancies
Creators: name: Liu, Ru-Fen
name: Cheng, Ching
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We performed first-principles calculations to investigate the possible magnetism induced by the different concentrations of non-magnetic impurities and vacancies in BN sheet. The atoms of Be, B, C, N, O, Al and Si are used to replace either B or N in the systems as impurities. We discussed the changes in density of states as well as the extent of the spatial distributions of the defect states, the possible formation of magnetic moments, the magnitude of the magnetization energies and finally the exchange energies due to the presence of these defects. It is shown that the magnetization energies tend to increase as the concentrations of the defects decreases in most of the defect systems which implies a definite preference of finite magnetic moments. The calculated exchange energies are in general tiny but not completely insignificant for two of the studied defect systems, i.e. one with O impurities for N and the other with B vacancies.
description: 8 pages, 10 figures, submitted to Phys. Rev. B
Additional file 3 of Satisfaction with life among university students from nine countries: Cross-national study during the first wave of COVID-19 pandemic
Creators: name: Rogowska, Aleksandra M.
name: Ochnik, Dominika
name: Kuśnierz, Cezary
name: Jakubiak, Monika
name: Schütz, Astrid
name: Held, Marco J.
name: Arzenšek, Ana
name: Benatov, Joy
name: Berger, Rony
name: Korchagina, Elena V.
name: Pavlova, Iuliia
name: Blažková, Ivana
name: Konečná, Zdeňka
name: Aslan, Imran
name: Çınar, Orhan
name: Cuero-Acosta, Yonni Angel
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 3.
ESM with supplementary methods, figures, tables, and references from Research on sablefish (Anoplopoma fimbria) suggests that limited capacity to increase heart function leaves hypoxic fish susceptible to heat waves
Creators: name: Leeuwis, Robine H. J.
name: Fábio S. Zanuzzo
name: Peroni, Ellen F. C.
name: A. Kurt Gamperl
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: Biochemistry
subject: Physiology
subject: FOS: Biological sciences
subject: Ecology

description: This EMS file contains supplementary methods, figures S1-4, tables S1-5, and supplementary references.
Icosahedral quasicrystals by optical interference holography
Creators: name: Tam, Wing Yim
Publisher: name: arXiv
Year: 2006
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Optical interference holography has been proved to be a useful technique in fabricating periodic photonic crystals in which electromagnetic waves are forbidden in certain frequency bandgaps. Compared to periodic crystals quasicrystals, having higher point group symmetry, are more favourable in achieving complete bandgaps. In this report, we propose two seven-beam optical interference configurations based on the reciprocal vector space representations for quasicrystals to fabricate icosahedral quasicrystals. Interference simulations for the quasicrystals exhibit the full symmetry of an icosahedron. The result paves the path for the fabrication of photonic quasicrystals using holographic lithography.
description: 9 pages, 1 table, 3 figures
Calibration-Free Vector Magnetometry Using Nitrogen-Vacancy Center in Diamond Integrated with Optical Vortex Beam
Creators: name: Chen, Bing
name: Hou, Xianfei
name: Ge, Feifei
name: Zhang, Xiaohan
name: Ji, Yunlan
name: Li, Hongju
name: Qian, Peng
name: Wang, Ya
name: Xu, Nanyang
name: Du, Jiangfeng
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We report a new method to determine the orientation of individual nitrogen-vacancy (NV) centers in a bulk diamond and use them to realize a calibration-free vector magnetometer with nanoscale resolution. Optical vortex beam is used for optical excitation and scanning the NV center in a [111]-oriented diamond. The scanning fluorescence patterns of NV center with different orientations are completely different. Thus, the orientation information on each NV center in the lattice can be known directly without any calibration process. Further, we use three differently oriented NV centers to form a magnetometer and reconstruct the complete vector information on the magnetic field based on the optically detected magnetic resonance(ODMR) technique. Compared with previous schemes to realize vector magnetometry using an NV center, our method is much more efficient and is easily applied in other NV-based quantum sensing applications.
Additional file 1 of Processing binding data using an open-source workflow
Creators: name: Samuel, Errol L. G.
name: Holmes, Secondra L.
name: Young, Damian W.
Publisher: name: figshare
Year: 2021
Subjects: subject: Biophysics
subject: Biochemistry
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Cancer

description: Additional file 1. Workflow Instructions.
Two-Dimensional Superconducting Fluctuations in Stripe-Ordered La(1.875)Ba(0.125)CuO(4)
Creators: name: Li, Q.
name: Huecker, M.
name: Gu, G. D.
name: Tsvelik, A. M.
name: Tranquada, J. M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Recent spectroscopic observations of a d-wave-like gap in stripe-ordered La(2-x)Ba(x)CuO(4) with x=1/8 have led us to critically analyze the anisotropic transport and magnetization properties of this material. The data suggest that concomitant with the spin ordering is an electronic decoupling of the CuO(2) planes. We observe a transition (or crossover) to a state of two-dimensional (2D) fluctuating superconductivity, which eventually reaches a 2D superconducting state below a Berezinskii-Kosterlitz-Thouless transition. Thus, it appears that the stripe order in La(2-x)Ba(x)CuO(4) frustrates three-dimensional superconducting phase order, but is fully compatible with 2D superconductivity and an enhanced T_c.
description: 4 pages, 5 figures; final version, with minor revisions, accepted in PRL
Severe Essential Tremor: Illustrative Videos
Creators: name: Hale, Evan A.
name: Louis, Elan D.
Publisher: name: Tremor and Other Hyperkinetic Movements
Year: 2019

description: Background: Essential tremor (ET) can be profoundly disabling in severe cases; however, such cases may not often be encountered by general practitioners, primary care physicians, or general neurologists, leading to misdiagnosis. Phenomenology shown: Severe kinetic, postural, and intention tremors in patients with ET. Educational value: To provide visual examples of severe, long-standing ET for general practitioners, primary care clinicians, and general neurologists. Keywords: Essential tremor, clinical, phenotype, severe, disability Citation: Hale EA, Louis ED. Severe Essential Tremor: Illustrative Videos. Tremor Other Hyperkinet Mov. 2019; 9. doi: 10.7916/d8-hn37-y044
description: Tremor and Other Hyperkinetic Movements, Tremor and Other Hyperkinetic Movements
Reporting quality of randomized controlled trials in Restless Legs Syndrome based on the CONSORT statement
Creators: name: Rikos, Dimitrios
name: Dardiotis, Efthimios
name: Aloizou, Athina-Maria
name: Siokas, Vasileios
name: Zintzaras, Elias
name: Hadjigeorgiou, Georgios M.
Publisher: name: Tremor and Other Hyperkinetic Movements
Year: 2019

description: Randomized Controlled Trials (RCTs) are the cornerstone of modern medical research and their reporting may not always be optimal. The CONSORT (CONsolidated Standards of Reporting Trials) statement is an evidence-based means of improving and assessing the quality of these trials. The aim of the present study was to assess the reporting quality of published RCTs on the Restless Legs Syndrome (RLS) based on a checklist stemming from the CONSORT statement. RCTs involving patients with RLS were searched for into medical electronic databases. Inclusion criteria were English language of publication and the randomization of RLS patients in a minimum of two treatment cohorts of different medicinal orientations. The reporting quality was evaluated by the means of the aforementioned 38-item CONSORT checklist and the articles were divided into three 6-year periods. Descriptive statistics were used to make the comparisons. Fifty four (54) eligible trials were found, published in 21 different scientific journals. The average CONSORT compliance score was 56.6% (23.68%-84.21%). CONSORT-endorsing journals had a mean CONSORT compliance of 58.47%, whereas non-endorsing journals 50.4%. The median CONSORT compliance for articles published in low (IF<2), medium (IF 2-7) and high (IF>7) ranked journals was 52.63%, 56.57% and 59.21% respectively. Throughout the whole 1998-2016 period, 14 items (36.8%) were reported in >75% of the articles. This study shows that the reporting of RLS-related RCTs is suboptimal, regardless of the time period, the quality of the publishing journal and the endorsing or not of the CONSORT statement.
description: Tremor and Other Hyperkinetic Movements, Tremor and Other Hyperkinetic Movements
Petroleum Geochemistry Research Laboratory (PGRL) Method for Determining API Gravity of Crude Oils by Digital Density Analyzer
Creators: name: Lowry, Zachary K
Publisher: name: U.S. Geological Survey
Year: 2020
Subjects: API Gravity, density, crude oil, U-tube, PGRL

description: The Petroleum Geochemistry Research Laboratory utilizes this method to determine the API gravity of crude oils or equivalent materials (for example, organic pyrolysates) either from natural sources or generated by laboratory processes.
An adaptive Lagrange multiplier determination method for rate-distortion optimisation in hybrid video codecs
Creators: name: Zhang, Fan
name: Bull, David R.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Image and Video Processing (eess.IV)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper describes an adaptive Lagrange multiplier determination method for rate-quality optimisation in video compression. Inspired by the experimental results of a Lagrange multiplier selection test, the presented approach adaptively estimates the optimum Lagrange multiplier for different video content, based on distortion statistics of recently encoded frames. The proposed algorithm has been fully integrated into both the H.264 and HEVC reference codecs, and is used in rate-distortion optimisation for encoding B frames. The results show promising (up to 11% on the sequences tested) overall bitrate savings, for a minimal increase in complexity, on various types of test content based on Bjontegaard delta measurements.
Role of viscoelasticity on the dynamics and aggregation of chemically active sphere-dimers
Creators: name: Sahoo, Soudamini
name: Singh, Sunil Pratap
name: Thakur, Snigdha
Publisher: name: arXiv
Year: 2021
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The impact of complex media on the dynamics of active swimmers has gained a thriving interest in the research community for their prominent applications in various fields. This paper investigates the effect of viscoelasticity on the dynamics and aggregation of chemically powered sphere-dimers by using a coarse-grained hybrid mesoscopic simulation technique. The sphere-dimers perform active motion by virtue of the concentration gradient around the swimmer's surface, produced by the chemical reaction at one end of the dimer. We observe that the fluid elasticity enhances translational and rotational motion of a single dimer, however for a pair of dimers, the clustering in a particular alignment is more pronounced. In case of multiple dimers, the kinetics of cluster formation along with their propulsive nature are presented in detail. The key factors influencing the enhanced motility and the aggregation of dimers are the concentration gradients, hydrodynamic coupling and the microstructures present in the system.
description: 11 pages, 14 figures
Three Pulsars Discovered by FAST in the Globular Cluster NGC 6517 with a Pulsar Candidate Sifting Code Based on Dispersion Measure to Signal-to-Noise Ratio Plots
Creators: name: Pan, Zhichen
name: Ma, Xiaoyun
name: Qian, Lei
name: Wang, Lin
name: Yan, Zhen
name: Luo, Jintao
name: Ransom, Scott M.
name: Lorimer, Duncan R.
name: Jiang, Peng
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We report the discovery of three new pulsars in the Globular Cluster (GC) NGC6517, namely NGC 6517 E, F, and G, made with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The spin periods of NGC 6517 E, F, and G are 7.60~ms, 24.89~ms, and 51.59~ms, respectively. Their dispersion measures are 183.29, 183.713, and 185.3~pc~cm$^{-3}$, respectively, all slightly larger than those of the previously known pulsars in this cluster. The spin period derivatives are at the level of 1$\times$10$^{-18}$~s~s$^{-1}$, which suggests these are recycled pulsars. In addition to the discovery of these three new pulsars, we updated the timing solutions of the known isolated pulsars, NGC 6517 A, C, and D. The solutions are consistent with those from Lynch et al. (2011) and with smaller timing residuals. From the timing solution, NGC 6517 A, B (position from Lynch et al. 2011), C, E, and F are very close to each other on the sky and only a few arcseconds from the optical core of NGC 6517. With currently published and unpublished discoveries, NGC6517 now has 9 pulsars, ranking 5$^{th}$ of the GCs with the most pulsars. The discoveries take advantage of the high sensitivity of FAST and a new algorithm used to check and filter possible candidate signals.
description: 10 pages, 3 figure, 2 tables, accepted by RAA, comments are always welcomed!
The effects of aging on non-associative learning in the nematode caenorhabditis elegans
Creators: name: Beck, Christine Daily O'Brien
Publisher: name: University of British Columbia
Year: 2010

description: With the advantages of simplicity and a we11-understood anatomy, development and genome, C.elegans may be an effective model of the role of the genome in the effects of aging on learning and memory. The purpose of this thesis is to begin this research by describing the effects of aging in C.elegans on a simple form of learning, habituation,in the tap withdrawal reflex. First,the effects of aging on the spontaneous locomotor behavior and simple reflexive behavior of C.elegans were examined. Worms were tested at 4, 7 and 12 days post-hatching. The average life-span of worms raised in the conditions of this laboratory (solid medium, 21ºC) was 14 to 16 days. The amount of spontaneous activity did not change with age, but the nature of that activity did change. Worms moved more slowly and both spontaneous and reflexive reversals decreased in magnitude at day 12. Worms at all ages exhibited graded responses to taps of different intensities. The effects of aging on habituation and dishabituation were then examined. There appeared to be a dissociation of response frequency and magnitude: all ages tested (4, 7 and 12 days post-hatching) showed similar changes in magnitude of reversals due to habituation and dishabituation. However at day 7 the proportion of worms reversing did not decrease during habituation training as it did at the other ages (days 4 and 12) tested. There was also an age-related change in the recovery from habituation; day 12 worms did not recover within 30 min of the last habituation stimulus, unlike worms tested at day 4 and 7 which recovered back to baseline levels by 30 min. Finally the effects of tail-touch habituation training on inhibition of the reversal response to tap was examined at the three test ages. At all ages tail-touch habituation training decreased the inhibition of reversal to tap by tail-touch. Clearly, even day 12 worms are capable of habituation independent of fatigue effects. The age-related changes seen may be produced by From these experiments it is clear that although the behavior of C. elegans does change with age, aged worms are capable of the simple form of learning, habituation. Further behavioral tests with normal and mutant worms may help elucidate the nature of the age-related changes in learning and memory in C.elegans and the genetic mechanisms which underlie them.
Integral representations of solutions of periodic elliptic equations
Creators: name: Kuchment, Peter
Publisher: name: arXiv
Year: 2006
Subjects: subject: Analysis of PDEs (math.AP)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 35B05, 35C15, 58J15, 35J15, 35P05, 58J50

description: The paper discusses relations between the structure of the complex Fermi surface below the spectrum of a second order periodic elliptic equation and integral representations of certain classes of its solutions. These integral representations are analogs of those previously obtained by S. Agmon, S. Helgason, and other authors for solutions of the Helmholtz equation (i.e., for generalized eigenfunctions of Laplace operator). In a previous joint work with Y. Pinchover we described all solutions that can be represented as integrals of positive Bloch solutions over the imaginary Fermi surface, with a hyperfunction as a ``measure''. Here we characterize the class of solutions such that the corresponding hyperfunction is a distribution on the Fermi surface.
Ataxic Gait in Essential Tremor: A Disease-associated Feature?
Creators: name: Rao, Ashwini K.
name: Louis, Elan D.
Publisher: name: Tremor and Other Hyperkinetic Movements
Year: 2019

description: Background: While accumulating evidence suggests that balance and gait impairments are commonly seen in patients with essential tremor (ET), questions remain regarding their prevalence, their relationship with normal aging, whether they are similar to the impairments seen in spinocerebellar ataxias, their functional consequences, and whether some ET patients carry greater susceptibility. Methods: We conducted a literature search (until December 2018) on this topic. Results: We identified 23 articles on gait or balance impairments in ET. The prevalence of balance impairment (missteps on tandem walk test) was seven times higher in ET patients than controls. Gait impairments in ET included reduced speed, increased asymmetry, and impaired dynamic balance. While balance and gait problems worsened with age, ET patients were more impaired than controls, independent of age. The pattern of impairments seen in ET was qualitatively similar to that seen in spinocerebellar ataxias. Balance and gait impairments resulted in greater number of near falls in ET patients. Factors associated with balance and gait impairments in ET included age, presence of tremor in midline structures, and cognitive dysfunction. Discussion: Accumulating evidence suggests that balance and gait impairments are common in ET patients and occur to a greater extent in controls. Thus, they represent a disease-associated feature. These impairments, which are qualitatively similar to those seen in spinocerebellar ataxias, are not merely subclinical but result in difficulty performing functional tasks and increase falls risk. A subset of patients is more susceptible to balance and gait impairments. The full spectrum of impairments remains to be characterized. Keywords: Essential tremor, mobility, gait, balance, posture, ataxia Citation: Rao AK, Louis ED. Ataxic Gait in Essential Tremor: A Disease-Associated Feature?. Tremor Other Hyperkinet Mov. 2019; 9. doi: 10.7916/d8-28jq-8t52
description: Tremor and Other Hyperkinetic Movements, Tremor and Other Hyperkinetic Movements
A Smooth, Inductively Coupled Ring Trap for Atoms
Creators: name: Griffin, P. F.
name: Riis, E.
name: Arnold, A. S.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We propose and numerically investigate a scalable ring trap for cold atoms that surmounts problems of roughness of the potential and end--effects of trap wires. A stable trapping potential is formed about an electrically isolated, conducting loop in an ac magnetic field by time averaging the superposition of the external and induced magnetic fields. We investigate the use of additional fields to eliminate Majorana spin flip losses and to create novel trapping geometries. The possibility of micro--fabrication of these ring traps offers the prospect of developing Sagnac atom interferometry in atom--chip devices.
description: 4 pages, 5 figures
Can D-Branes Wrap Nonrepresentable Cycles?
Creators: name: Evslin, Jarah
name: Sati, Hisham
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Sometimes a homology cycle of a nonsingular compactification manifold cannot be represented by a nonsingular submanifold. We want to know whether such nonrepresentable cycles can be wrapped by D-branes. A brane wrapping a representable cycle carries a K-theory charge if and only if its Freed-Witten anomaly vanishes. However some K-theory charges are only carried by branes that wrap nonrepresentable cycles. We provide two examples of Freed-Witten anomaly-free D6-branes wrapping nonrepresentable cycles in the presence of a trivial NS 3-form flux. The first occurs in type IIA string theory compactified on the Sp(2) group manifold and the second in IIA on a product of lens spaces. We find that the first D6-brane carries a K-theory charge while the second does not.
description: 11 pages, no figures
Additional file 1 of Effectiveness of a pre-adolescent inter-generational intervention to address HIV and obesity in South Africa, using a pretest-posttest design
Creators: name: Arthur, Keshni
name: Christofides, Nicola
name: Nelson, Gill
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1. TREND Statement Checklist.
Dussumieriidae
Creators: name: Golani, Daniel
name: Fricke, Ronald
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Clupeiformes
Dussumieriidae

description: DUSSUMIERIIDAE   Dussumieria elopsoides Bleeker 1849
 Gulf of Suez: Egypt (Tillier 1902, as Dussumieria hasselti; Chabanaud 1933, as Dussumieria productissima). Gulf of Aqaba: ¯
 Red Sea main basin: Eritrea (Whitehead 1965, as Dussumieria acuta), Saudi Arabia (Bogorodsky et al. 2014b). General distribution: Red Sea, Indo-West Pacific: East Africa east to Solomon Islands.
 Remark: Lessepsian migrant into eastern Mediterranean (see Whitehead 1963, as Dussumieria acuta).
 * Etrumeus golanii DiBattista, Randall & Bowen 2012
 Gulf of Suez: Egypt (Mehanna 2004, as Etrumeus teres; DiBattista et al. 2012).
 Gulf of Aqaba: Israel (Fowler & Steinitz 1956, as Etrumeus micropus; DiBattista et al. 2012), Jordan (Khalaf & Disi 1997, as Etrumeus teres).
 Red Sea main basin: Egypt (Goren & Spanier 1985, as Etrumeus teres; DiBattista et al. 2012).
 General distribution: Red Sea endemic.
 Remark: Lessepsian migrant into eastern Mediterranean (see Whitehead 1 963, as Etrumeus teres; DiBattista et al. 2012).
description: Published as part of Golani, Daniel & Fricke, Ronald, 2018, Checklist of the Red Sea Fishes with delineation of the Gulf of Suez, Gulf of Aqaba, endemism and Lessepsian migrants, pp. 1-215 in Zootaxa 4509 (1) on page 31, DOI: 10.11646/zootaxa.4509.1.1, http://zenodo.org/record/2607566
Studies of vesicular-arbuscular mycorrhiza in Wanagama I Forest Research Center, Yogyakarta, Indonesia
Creators: name: Sancayaningsih, Retno Peni
Publisher: name: University of British Columbia
Year: 2010

description: Three studies were conducted on VA mycorrhiza in Wanagama Forest Research Center, Yogyakarta, Indonesia. The first was on VA mycorrhizal status of four forest species (Acacia mangium, Acacia holosericea, Tectona grandis, and Swietenia macrophylla) plantations and nurseries of Acacia mangium and Tectona grandis. Samples from the field were only taken during the dry season, June 1988. These four six-year old forestry species were mycorrhizal. Nursery plants had higher VAM colonization than the plantation roots and both Acacia species have higher percent colonization than the other two species. Available phosphorus in calcareous soils is low and seems not to be a major contribution to the variation of VAM colonization. Potassium and sodium were more important in this case even though their role could not be determined in this study. The second study was conducted to determine VAM fungal species associated with the plant species. There were 16 different spore types belonging to the genera Glomus, (the most common found), Sclerocystis, Scutellispora, and probably Acaulospora. Type of inoculum and host compatibility were suggested as important factors in the success of pot culture study. The third study was carried out in a growth chamber to determine Acacia spp. response to single VAM fungal species and mixed species inoculum. Single species inoculum in both Acacia was observed to improve biomass and plant growth better than the mixed inoculum. Acacia mangium performed better with Glomus versiforme than did A. holosericea. Host compatibility, effectiveness of VAM spore inoculant, infectivity and environmental factors have major effects on plant growth responses. Study of tropical VAM requires further basic research, including taxonomy. Experimental procedures such as pot culture technique, type of inoculum, growth media and host plant specificity along with evaluation of appropriate soil chemical analysis also requirefurther elaboration. These types of studies are needed to understand the relationship between VAM and the environment and in the application studies in agriculture and forestry. This information is especially important in tropical countries, where little research results and limited resources, such as for fertilizers, are available.
Evidence of wind signatures in the gas velocity profiles of Red Geysers
Creators: name: Roy, Namrata
name: Bundy, Kevin
name: Nevin, Rebecca
name: Belfiore, Francesco
name: Yan, Renbin
name: Campbell, Stephanie
name: Riffel, Rogemar A.
name: Riffel, Rogerio
name: Bershady, Matthew
name: Westfall, Kyle
name: Drory, Niv
name: Zhang, Kai
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Spatially resolved spectroscopy from SDSS-IV MaNGA survey has revealed a class of quiescent, relatively common early-type galaxies, termed "red geysers", that possibly host large scale active galactic nuclei driven winds. Given their potential importance in maintaining low level of star formation at late times, additional evidence confirming that winds are responsible for the red geyser phenomenon is critical. In this work, we present follow-up observations with the Echellette Spectrograph and Imager (ESI) at the Keck telescope of two red geysers (z$
description: 20 pages, 23 figures, accepted for publication in the Astrophysical journal
Increasing Evidence for the Use of Sodium Oxybate in Multi-Drug- Resistant Lance–Adams Syndrome
Creators: name: Riboldi, Giulietta M.
name: Frucht, Steven J.
Publisher: name: Tremor and Other Hyperkinetic Movements
Year: 2019

description: Background: Treatment of posthypoxic myoclonus (PHM) can be a challenge in patients not responsive to first-line medications. PMH is a rare condition that has a dramatic impact on patients’ quality of life. Refractory cases are not uncommon. Case Report: We report a patient with PHM non-responsive to conventional treatments who showed a dramatic improvement with sodium oxybate (SBX). Cases of PHM treated with SBX reported in the literature were reviewed. Discussion: Resting and stimulus-induced myoclonus respond robustly to SBX, with significant improvement in patients’ quality of life. SBX may be considered in patients with PHM resistant to first-line medications. Keywords: Posthypoxic myoclonus, Lance–Adams syndrome, refractory myoclonus, alcohol-sensitive myoclonus, sodium oxybate Citation: Riboldi GM, Frucht SJ. Increasing Evidence for the Use of Sodium Oxybate in Multi-Drug-Resistant Lance–Adams Syndrome. Tremor Other Hyperkinet Mov. 2019; 9. doi: 10.7916/d8-rnsh-c024.
description: Tremor and Other Hyperkinetic Movements, Tremor and Other Hyperkinetic Movements
Research News -- Meson scattering at high precision
Creators: name: Ananthanarayan, B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Popular Physics (physics.pop-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Physics Education (physics.ed-ph)
subject: FOS: Physical sciences

description: A fascinating new generation of experiments has determined certain meson scattering parameters at high precision. A confluence of highly sophisticated theory as well as new experimental ideas have led to this state of affairs, which sheds important light on the properties of the strong interactions. A brief review of the experiments and the theory is presented.
description: 5 pages, latex, to appear in Current Science
On Doctrines and Cartesian Bicategories
Creators: name: Bonchi, Filippo
name: Santamaria, Alessio
name: Seeber, Jens
name: Sobociński, Paweł
Publisher: name: arXiv
Year: 2021
Subjects: subject: Logic in Computer Science (cs.LO)
subject: Category Theory (math.CT)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: F.3; F.4

description: We study the relationship between cartesian bicategories and a specialisation of Lawvere's hyperdoctrines, namely elementary existential doctrines. Both provide different ways of abstracting the structural properties of logical systems: the former in algebraic terms based on a string diagrammatic calculus, the latter in universal terms using the fundamental notion of adjoint functor. We prove that these two approaches are related by an adjunction, which can be strengthened to an equivalence by imposing further constraints on doctrines.