Miracle-dz/UniFAR-FTUs huggingface dataset:
On modeling pressure diffusion in non-homogeneous shear flows

New models are proposed for the 'slow and 'rapid' parts of the pressure diffusive transport based on the examination of DNS databases for plane mixing layers and wakes. The model for the 'slow' part is non-local, but requires the distribution of the triple-velocity correlation as a local source. The latter can be computed accurately for the normal component from standard gradient diffusion models, but such models are inadequate for the cross component. More work is required to remedy this situation.
Nonlinear polarization waves in a two-component Bose-Einstein condensate

A two-component Bose-Einstein condensate whose dynamics is described by a system of coupled GrossPitaevskii equations accommodates waves with different symmetries. A first type of waves corresponds to excitations for which the motion of both components is locally in phase. For the second type of waves, the two components have a counterphase local motion. When the values of the inter- and intracomponent interaction constants are different, the long-wavelength behavior of these two modes corresponds to two types of sound with different velocities. In the limit of weak nonlinearity and small dispersion, the first mode is described by the well-known Korteweg-de Vries equation. In the same limit, we show that the second mode can be described by the Gardner equation if the values of the two intracomponent interaction constants are sufficiently close. This leads to a rich variety of nonlinear excitations (solitons, kinks, algebraic solitons, breathers) which do not exist in the Korteweg-de Vries description. DOI: 10.1103/PhysRevA.89. 033618 PACS number(s): 03.75. Mn, 47.37. +q, 71.36. +c
On Trade-offs of Applying Block Chains for Electronic Voting Bulletin Boards

This paper takes a critical look at the recent trend of building electronic voting systems on top of block chain technology. Even though being very appealing from the election integrity perspective, block chains have numerous technical, economical and even political drawbacks that need to be taken into account. Selecting a good trade-oﬀ between desirable properties and restrictions imposed by diﬀerent block chain implementations is a highly non-trivial task. This paper aims at bringing some clarity into performing this task. We will mostly be concentrating on public permissionless block chains and their applications as bulletin board implementations as these are the favourite choices in majority of the recent block chain based voting protocol proposals.
CROSS CORRELATION ANALYSIS OF MULTI -CHANNEL NEAR INFRARED SPECTROSCOPY

In this paper we present the use of a signal processing technique to find dominant channels in near infrared spectroscopy (NIRS). Cross correlation is computed to compare measuring channels and identify delays among the channels. In addition, visual inspection was used to detect potential dominant channels. The results showed that the visual analysis exposed painrelated activations in the primary somatosensory cortex (S1) after stimulation which is consistent with similar studies and the cross correlation analysis found dominant channels on both cerebral hemispheres. The analysis also showed a relationship between dominant channels and neighbouring channels. Therefore, our results present a new method to detect dominant regions in the cerebral cortex using near-infrared spectroscopy. These results have also implications in the reduction of number of channels by eliminating irrelevant channels for the experiment.
Decoherence in two-dimensional quantum walks using four- and two-state particles

We study the decoherence effects originating from state flipping and depolarization for two-dimensional discrete-time quantum walks using four- and two-state particles. By comparing the quantum correlations between the two spatial (x − y) degrees of freedom using measurement-induced disturbance, we show that the two schemes using a two-state particle are more robust against decoherence than the Grover walk, which uses a four-state particle. We also show that the symmetries which hold for two-state quantum walks break down for the Grover walk, adding to the various other advantages of using two-state rather than four-state particles.
Competition and Bank Risk Taking in a Differntiated Oligopoly

We re-examine the relationship between the degree of deposit market competition and bank risk taking in a model where banks compete in differentiated deposit services. When banks invest their deposits directly, as has already been established in the extant literature, an increased degree of competition, measured either by greater degree of substitutability or by greater number of banks, induces the banks to take more risk in equilibrium. When banks invest their deposits in loans, and their borrowers choose the level of risk, the risk of bank failure is independent of the degree of competition in the deposit market.
EFFECT OF ETHYL METHANESULFONATE (EMS) AND N-NITROSE-N´-ETHYL UREA (ENU) ON CALLUS GROWTH OF COMMON BEAN

Infl uence of ethyl methanesulfonate (EMS) and N-nitrose-N´-ethyl urea (ENU) mutagenic treatments was investigated on three time sub-cultured calli obtained from leaf petiole explants of 7-day old sterile plants. Calibrated sterile seeds of the common bean Bulgarian variety Plovdiv 11M were pre-cultivated on MS basal medium supplemented with 1 μmM BAP. Then, both mutagens EMS and ENU were applied for different times such as 15, 30, 60 and 90 min on the explants at the concentrations of: 2.5 . 10-2 M and 6.2 . 10-3 M, respectively. Times of the mutagenic treatments infl uenced callus growth, calli from 30-min treatment with both mutagens showing the highest weights. In both cases, the 90-min mutagen application caused a too relevant effect either on callus browning or growth inhibition. In general, ENU showed a stronger effect than EMS. The effect of subcultures on callus growth was higher than mutagenic treatments. Interactions between these factors checked by by correlation ratio (η%) were quite low.
Evolution: Out of the Ocean

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Resolving therapeutic alliance ruptures: A task analytic investigation.

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Chronic Inflammation-Related Diffuse Large B-Cell Lymphoma Around the Area of Thoracotomy After Decortication

Chest wall tumors consist 5% of all tumors in the thorax. Lymphomas compose of less than 5% of all primary chest wall malignancy.Sixty three years old patient who had an operation for pleural thickness two years ago admitted with complaint of left-sided chest pain.Following the detection of mass lesion radio logically at the place of previous operation area, the patient was operated based on needle biopsy result suggesting Ewing /PNET or pulmonary originated tumor. After the operation, pathological examination confirmed chronic inflammationrelated diffuse large B-cell lymphoma. Since it has been rarely reported in the literature, we aimed to present the case of chronic inflammation-related diffuse large B-cell lymphoma developed within such a short time as two years on the ground of surgical incision scar tissue together with our radiologic, surgical, and pathological findings.
Overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims. Task 1: Check-Worthiness

We present an overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims, with focus on Task 1: Check-Worthiness. The task asks to predict which claims in a political debate should be prioritized for fact-checking. In particular, given a debate or a political speech, the goal was to produce a ranked list of its sentences based on their worthiness for fact checking. We offered the task in both English and Arabic, based on debates from the 2016 US Presidential Campaign, as well as on some speeches during and after the campaign. A total of 30 teams registered to participate in the Lab and seven teams actually submitted systems for Task~1. The most successful approaches used by the participants relied on recurrent and multi-layer neural networks, as well as on combinations of distributional representations, on matchings claims' vocabulary against lexicons, and on measures of syntactic dependency. The best systems achieved mean average precision of 0.18 and 0.15 on the English and on the Arabic test datasets, respectively. This leaves large room for further improvement, and thus we release all datasets and the scoring scripts, which should enable further research in check-worthiness estimation.
Progression to Impaired Glucose Regulation and Diabetes in the Population-Based Inter99 Study

OBJECTIVE The purpose of this study was to estimate the progression rates to impaired glucose regulation (impaired fasting glucose or impaired glucose tolerance) and diabetes in the Danish population–based Inter99 study and in a high-risk subpopulation, separately. RESEARCH DESIGN AND METHODS From a population-based primary prevention study, the Inter99 study, 4,615 individuals without diabetes at baseline and with relevant follow-up data were divided into a low- and a high-risk group based on a risk estimate of ischemic heart disease or the presence of risk factors (smoking, hypertension, hypercholesterolemia, obesity, or impaired glucose tolerance). High-risk individuals (57.1%) were examined with an oral glucose tolerance test at 1 and 3 years, and all of the participants were reexamined at the 5-year follow-up. Person-years at risk were calculated. Progression rates to impaired glucose regulation and diabetes were estimated directly from baseline to the 5-year follow-up for all the participants and from baseline through the 1- and 3- to 5-year follow-up examinations for the high-risk individuals, separately. RESULTS In the combined low- and high-risk group, 2.1 individuals per 100 person-years progressed from normal glucose tolerance (NGT) to impaired glucose regulation or diabetes. Among high-risk individuals, 5.8 per 100 person-years with NGT progressed to impaired glucose regulation or diabetes, and 4.9 per 100 person-years progressed from impaired glucose regulation to diabetes. CONCLUSIONS Progression rates to impaired glucose regulation using the current World Health Organization classification criteria were calculated for the first time in a large European population-based study. The progression rates to diabetes show the same pattern as seen in the few similar European studies.
Asset Specificity, Institutional Complementarities and the Variety of Skill Regimes in Coordinated Market Economies

The concept of asset specificity has become very prominent in the literature on skill formation, welfare states and labour markets. Building on the varieties of capitalism (VoC) school, this paper points out three distinct shortcomings of this literature: first, the VoC approach does not fully account for the variation of skill regimes in coordinated market economies (CMEs); second, the VoC approach underestimates the importance of authoritative certification in determining the real portability of vocational skills; and third, the complementarities between skill formation and social policies are different from what is expected in the VoC contributions. I argue that the variation of skill regimes in CMEs covers not one, but two separate dimensions: firms' involvement in skill formation and the vocational specificity of the education system. On the basis of three case studies, I demonstrate the existence of three distinct skill regimes in CMEs: the segmentalist (firm-based) skill regime of Japan, the integrationist (school-based occupational) skill regime of Sweden and the differentiated (workplace-based occupational) skill regime of Germany.
Edaphic, structural and physiological contrasts across Amazon Basin forest-savanna ecotones suggest a role for potassium as a key modulator of tropical woody vegetation structure and function

Abstract. Sampling along a precipitation gradient in tropical South America extending from ca. 0.8 to 2.0 m a−1, savanna soils had consistently lower exchangeable cation concentrations and higher C / N ratios than nearby forest plots. These soil differences were also reflected in canopy averaged leaf traits with savanna trees typically having higher leaf mass per unit area but lower mass-based nitrogen (Nm) and potassium (Km). Both Nm and Km also increased with declining mean annual precipitation (PA), but most area-based leaf traits such as leaf photosynthetic capacity showed no systematic variation with PA or vegetation type. Despite this invariance, when taken in conjunction with other measures such as mean canopy height, area-based soil exchangeable potassium content, [K]sa , proved to be an excellent predictor of several photosynthetic properties (including 13C isotope discrimination). Moreover, when considered in a multivariate context with PA and soil plant available water storage capacity (θP) as covariates, [K]sa also proved to be an excellent predictor of stand-level canopy area, providing drastically improved fits as compared to models considering just PA and/or θP. Neither calcium, nor magnesium, nor soil pH could substitute for potassium when tested as alternative model predictors (ΔAIC > 10). Nor for any model could simple soil texture metrics such as sand or clay content substitute for either [K]sa or θP. Taken in conjunction with recent work in Africa and the forests of the Amazon Basin, this suggests – in combination with some newly conceptualised interacting effects of PA and θP also presented here – a critical role for potassium as a modulator of tropical vegetation structure and function.
You Have What? Personality! Traits That Predict Leadership Styles for Elementary Principals

This study of 242 teachers and paraprofessionals explored relationships between the followers’ perceptions of the elementary principal’s Big Five Personality Traits and the followers’ perceptions of the elementary principal’s Full Range Leadership Model for one school district in South Texas that included 8 elementary schools that participated in the research. The Multifactor Leadership Questionnaire 5X Short (MLQ) (Bass & Avolio, 2004), The International Personality Item Pool (IPIP) (Goldberg, 1999), and a demographic survey created by the researcher, was used to collect data. This sample of convenience used a multiple regression to find correlations. Partial correlations and t-tests were used for further analyses. This particular study was based on followers’ perceptions and did not support previous research that Extraversion is a predictor of leadership style. The study found relationships between perceived personality traits and leadership styles for four out of the five personality traits. Open, Agreeable, and Emotionally Stable principals were perceived to be Transformational Leaders. Open and Emotionally Stable principals were also perceived as Transactional Leaders. When principals were rated as Conscientious and Emotionally Unstable, they were perceived as Passive-Avoidant Leaders. The personality and leadership style that the principal’s project does impact the followers’ perceptions. Most studies in the literature review include self-ratings of personality and leadership while the present study used followers’ ratings of the leader’s personality and leadership. Perception is reality. Surprisingly, the followers’ ratings for principals’ leadership styles and Extraversion were non-significant.
Diversity and Probiotic Potentials of Putative Lactic Acid Bacteria for Application in Freshwater Aquaculture

In order to study the diversity of putative lactic acid bacteria (LAB) in freshwater fish, 76 strains of LAB were isolated from intestines and identified by phenotypic tests and 16S rDNA gene sequencing. Phenotypic characterization of the isolates allowed the identification of 18 clusters at 78% similarity level by Hierarchical cluster analysis. Functional evenness index (E value) a measure of phenotypic diversity, was found to be quite high (0.7 approximately) in most of the samples. 16S rDNA gene sequencing identified the isolates as different strains of Lactobacillus plantarum, Lactobacillus pentosus, Lactobacillus fermentum, Lactobacillus delbrueckii subsp. bulgaricus, Lactobacillus brevis, Lactobacillus reuteri, Lactobacillus salivarius, Pediococcus pentosaceus, Pediococcus acidilactici, Weissella paramesenteroides, Weissella cibaria, Enterococcus faecium and Enterococcus durans. Lactobacillus plantarum was found to be the dominating strain and LAB occurred more frequently in hindgut. Most of the strains showed good survival in acid and bile tolerance tests and antimicrobial activity against fish pathogen Aeromonas hydrophila. Different bacteriocin producing genes were detected in several strains by PCR. Selective strains with probiotic attributes could be potential candidates for freshwater aquaculture practices.
MODELLING CaC03 DEPOSITION IN GEOTHERMAL WELLBORES

The capacity of a geothermal liquid to carry calcium varies mainly with the concentrations of CO, and HCO,, temperature and ionic strength, of which the CO, concentration (pressure) changes most in the wellbore. Wellbore models that carry accurate computations for CO, and other gas pressures might be adapted to compute profile thicknesses of CaCO, scale. A general model for carbonate scale deposition in a wellbore must make a simultaneous accounting for pressures of H,O, CO,, and two or three other gases plus salt effects on those pressures. In addition, the elevation of flash initiation must be accurately identified and combined with profiles of temperature, etc., in the 2-phase zone. Such a model has been developed and its principle features are described here, including calibration of some factors with measured scale deposits. The model provides insight about the scale deposition processes through parametric studies. Tactics and strategies for confronting the effects of CaCO, deposition in wells and wellfields can be explored with the model. Modelling of specific wellbores/wellfluids can help quantify risks and benefits concerning scale inhibition, wellfluid monitoring, timing of consequences relating to failure of scale inhibiting apparatus, urgency of remedial actions, and other aspects.
Cannabis Use by Persons Living with HIV/AIDS: Patterns and Prevalence of Use

ABSTRACT This study was undertaken to determine the prevalence of use, reasons for use, amounts and methods used, and perceived effectiveness of cannabis and dronabinol among persons living with HIV/AIDS in Canada. Cross-sectional anonymous self-administered questionnaire study. Four hundred patients were consecutively recruited from 3 primary care HIV clinics in Toronto, Ottawa and Montreal, and 50 questionnaires were distributed to PHAs (persons having AIDS) at one “cannabis compassion club. ” Responses were received from 160 clinic patients and 19 compassion club patients (40% response rate). Of 160 PHAs attending the HIV clinics, 59 patients (37.3%, 95% CI 29.5–45.1%) reported current use of cannabis. Of 19 compassion club clients, all reported current use of cannabis. Cannabis was most commonly used for stress relief and loss of appetite in both populations, in addition to relief of stress and nausea. Side effects included “high” and dry mouth. Dronabinol and cannabis were also reported to relieve adv.
Redescription and phylogenetic analyses of Thaparocleidus gomtius and T. sudhakari (Monogenea: Dactylogyridae) from Wallago attu (Siluriformes: Siluridae) in India

Summary Two species of Thaparocleidus Jain (1952a) were found harboring W. attu from the Ganga River at two localities, Meerut and Farrukhabad, Uttar Pradesh, India, during the period of 2013-2015. Morphology and morphometric study of specimens identified as Thaparocleidus gomtius (Jain, 1952a) Lim, 1996 and T. sudhakari (Gusev, 1976) Lim, 1996. Molecular analyses using the 18S rRNA gene confirmed the validity of T. gomtius and T. sudhakari and demonstrated that both the species clustered with other Thaparocleidus species from different geographical regions. We aim at reassessing the taxonomy and establishing the phylogenetic relationships among these two redescribed species with other representatives of the genus Thaparocleidus.