Miracle-dz/UniFAR-FTUs huggingface dataset:
Multilevel studies on the two phenological forms of Large Blue ( Maculinea arion ) ( Lepidoptera : Lycaenidae )

The main goal of our research was to study comprehensively the differences between the two phenological forms of the socially parasitic and globally threatened Large Blue (Maculinea arion) in the Carpathian Basin using four character sets (mitochondrial sequences, allozymes, male genitalia and wing morphometrics). Comparative analyses of distance matrices, phylogenetic trees and ordination patterns have been applied. The genetic and morphometric patterns revealed by our studies were discordant. While we experienced a significant differentiation between the ‘spring’ and ‘summer type’ of M. arion in both wing and genital traits, the two phenological forms did not show any genetic differentiation on two mitochondrial loci and in allozymes. At the same time, all individuals were infected by Wolbachia. Although certain wing traits may not represent reliable tracers of phylogeny because of the particular adaptive significance, the wing characteristics involved in our research are probably determined genetically. Additionally, the significant differentiation of male genitalia also indicates incipient prezygotic isolation arising from phenological differentiation between the ‘spring and summer arion’. It is possible that all extant differences between the two forms are attributable to (1) different host-ant use, (2) incipient speciation, (3) cytoplasmatic incompatibility (CI) by Wolbachia or the combination of these factors. In addition, discordant results indicate that the combined use of different approaches and data sets is strictly necessary to clarify systematic and evolutionary relationships.
Locking plate fixation of displaced intraarticular fractures of calcaneum: prospective open label observational study

Aim: the Functional and anatomical outcome of displaced intraarticular fractures of calcaneum treated using locking plate fixation. Material and methods: This Prospective open label observational study was done the Department of Orthopaedics, Katihar Medical College, Katihar, India,for two year, A total of 50 patients aged ≥ 18 years, displaced intra articular fractures of calcaneum were included in this study . Post-operative management involved, immobilization using a below the knee slab for a duration of 2-3 weeks to ensure wound healing. Subsequently on the second post operative day non weight bearing mobilization was advised followed by ankle movements on removal of the slab. Complete weight bearing was recommended only after ensuring fracture union on xray. Follow upPatients were followed up at an interval of 6 weeks, 3 months and 6 months post surgery and imaging via x-ray,at each visit was done to assess the fracture healing. Results: In our study we included 50 patients, amongst them 5 were female and the rest 45 were male. The mechanism of injury was noted to be road traffic accident in 10 patients and fracture sustained as a result of fall from a height in the rest. The surgery was not performed immediately for all patients, though most presented on the day of the injury and it was delayed until the swelling decreased and wrinkle sign appeared. These patients were followed up at 6 months and the functional outcome was assessed in all patients using AnkleHind foot scale which includes assessment of pain, function, maximum walking distance, gait abnormality, graded difficulty in walking on different surfaces, motion, stability of ankle and alignment of ankle and foot. According to this scale, 34 patients (68%) had good outcome, 13 patients had fair outcome (26%) while 3 patients (6%) had poor outcome. Amongst the 50 patients, alignment of the foot and ankle was restored in all cases and so was the ankle hind foot stability. Conclusion: the anatomic locking plate can be used effectively in the treatment of displaced intraarticular calcaneal fractures using simple reduction techniques with a potentially shortened operating time.
Factors Associated with Financial Security, Food Security and Quality of Daily Lives of Residents in Nigeria during the First Wave of the COVID-19 Pandemic

An online survey was conducted to identify factors associated with financial insecurity, food insecurity and poor quality of daily lives of adults in Nigeria during the first wave of the COVID-19 pandemic. The associations between the outcome (experience of financial loss, changes in food intake and impact of the pandemic on daily lives) and the explanatory (age, sex, education level, anxiety, depression, HIV status) variables were determined using logistic regression analysis. Of the 4439 respondents, 2487 (56.0%) were financially insecure, 907 (20.4%) decreased food intake and 4029 (90.8%) had their daily life negatively impacted. Males (AOR:0.84), people who felt depressed (AOR:0.62) and people living with HIV -PLHIV- (AOR:0.70) had significantly lower odds of financial insecurity. Older respondents (AOR:1.01) had significantly higher odds of financial insecurity. Those depressed (AOR:0.62) and PLHIV (AOR:0.55) had significantly lower odds of reporting decreased food intake. Respondents who felt anxious (AOR:0.07), depressed (AOR: 0.48) and who were PLHIV (AOR:0.68) had significantly lower odds of reporting a negative impact of the pandemic on their daily lives. We concluded the study findings may reflect a complex relationship between financial insecurity, food insecurity, poor quality of life, mental health, and socioeconomic status of adults living in Nigeria during the COVID-19 pandemic.
Comparative Study on Cold Compaction Behavior of TiH2 Powder and HDH-Ti Powder

The compaction mechanism of titanium hydride powder is an important issue because it has a direct impact on density and strength of green compacts and ultimately on the physical and mechanical properties of a final sintered products. In this paper, the characteristics and compaction behavior of titanium hydride and hydrogenation-dehydrogenation titanium powders are comparatively studied and analyzed for better understanding of compaction mechanism of brittle low-strength titanium hydride. The results indicate that the particles of titanium hydride powder are easily crushed under compaction loading at relatively low pressure well below compression strength of bulk titanium hydride, the degree of particle crushed increases with the increase of pressure. The compaction behavior of titanium hydride powder mainly includes the rearrangement and crushing of particles in the early compaction stage, minor plastic deformation, if any, and further rearrangement of particle fragments with filling the pores in the later stage. Such compaction behavior provides relative density of green hydride compacts higher than that for titanium powder of the same size. The relatively coarse titanium hydride powder with wide particle size distribution is easier to fill the pores providing highest green density.
DISCOVERY OF AN ULTRACOMPACT GAMMA-RAY MILLISECOND PULSAR BINARY CANDIDATE

We report multi-wavelength observations of the unidentified Fermi object 2FGL J1653.6-0159. With the help of high-resolution X-ray observations, we have identified an X-ray and optical counterpart to 2FGL J1653.6-0159. The source exhibits a periodic modulation of 75 minutes in the optical and possibly also in the X-ray. We suggest that 2FGL J1653.6-0159 is a compact binary system with an orbital period of 75 minutes. Combining the gamma-ray and X-ray properties, 2FGL J1653.6-0159 is potentially a black-widow-/redback-type gamma-ray millisecond pulsar (MSP). The optical and X-ray light curve profiles show that the companion is mildly heated by the high-energy emission and that the X-rays are from intrabinary shock. Although no radio pulsation has yet been detected, we estimated that the spin period of the MSP is ∼ 2 ms based on a theoretical model. If pulsation can be confirmed in the future, 2FGL J1653.6-0159 will become the first ultracompact rotation-powered MSP.
Keeping the Agents in the Dark: Private Disclosures in Competing Mechanisms

We study competing-mechanism games, in which several principals contract with several privately informed agents. We show that enabling principals to engage into private disclosures—whereby a principal sends to the agents contractible private signals about how her decision rule will respond to the agents’ messages—can significantly affect the predictions of such games. Our first result is that equilibrium outcomes and payoffs of games without private disclosures need no longer be supported once private disclosures are allowed for. This challenges the robustness of the folk theorem of Yamashita (2010). Our second result is that allowing for private disclosures may generate equilibrium outcomes that cannot be supported in any game without private disclosures, no matter how rich message spaces are. This challenges the canonicity of the universal mechanisms of Epstein and Peters (1999). These findings call for a novel approach to the analysis of competing-mechanism games.
Average crossing time: An alternative characterization of mean aversion and reversion

This study compares and contrasts the multiple characterizations of mean reversion in financial time series as regards the restrictions they imply. This is accomplished by translating them into statements about an alternative measure, the “Average Crossing Time” or ACT. We argue that the ACT measure, per se, provides not only a useful benchmark for the degree of mean reversion/aversion, but also an intuitive, and easily quantified sense of one time series being “more strongly meanreverting/averting” than another. We conclude our discussion by deriving the ACT measure for a wide class of stochastic processes and detailing its statistical characteristics. Our analysis is principally undertaken within a class of well-understood production based asset pricing models.
Classifying posed and natural facial expressions with the help of Deep Learning

The relaxation and contraction of facial muscles results into facial expressions. The facial muscles can be categorised into reliable and unreliable facial muscles, which have been previously successfully captured by a computer system by researchers as Kulkarni et. al., Taigman et. al. and Hyunh et. al. This research aims at studying if (and how much better than previous studies) a Siamese Neural Network architecture, aided by Residual Network, can help in classifying the posed facial expressions as fake or genuine facial expression, keeping the result achieved by Hyunh as the baseline for comparison. SASE-FE dataset was used for this research, which is the same as Hyunh’s. The system could accurately classify anger, happiness, sadness and surprise with each having an accuracy of nearly 75%, while for contempt the accuracy was 56% and the same was 61% for disgust.
Selective Hysteretic Sorption of Light Hydrocarbons in a Flexible Metal–Organic Framework Material

Porous MFM-202a (MFM = Manchester Framework Material, replacing the NOTT designation) shows an exceptionally high uptake of acetylene, 18.3 mmol g–1 (47.6 wt %) at 195 K and 1.0 bar, representing the highest value reported to date for a framework material. However, at 293 K and 10 bar C2H6 uptake (9.13 mmol g–1) is preferred. Dual-site Langmuir-Freundlich (DSLF)- and Numerical Integration (NI)-based IAST methods have been used to analyze selectivities for C1 to C3 hydrocarbons. MFM-202a exhibits broadly hysteretic desorption of acetylene; such behavior is important for practical gas storage since it allows the gas to be adsorbed at high pressure but stored at relatively low pressure. Stepwise uptake and hysteretic release were also observed for adsorption of other unsaturated light hydrocarbons (ethane and propene) in MFM-202a but not for saturated hydrocarbons (methane, ethane, and propane). MFM-202a has been studied by in situ synchrotron X-ray powder diffraction to reveal the possible phase transition .
Bayesian Multi-Faceted TRI Models for Measuring Professor's Performance in the Classroom

Evaluations of professor performance are based on the assumption that students learn more from highly qualified professors and the fact that students observe professor performance in the classroom. However, many studies question the methodologies used for such measurements, in general, because the averages of categorical responses make little statistical sense. In this paper, we propose Bayesian multi-faceted item response theory models to measure teaching performance. The basic model takes into account effects associated with the severity of the students responding to the survey, and the courses that are evaluated. The basic model proposed in this work is applied to a data set obtained from a survey of perception of professor performance conducted by Science Faculty of the Universidad Nacional de Colombia to its students. professor scores that are obtained as model outputs are real numerical values that can be used to calculate common statistics in professor evaluation. In this case, the statistics are mathematically consistent. Some of them are shown to illustrate the usefulness of the model.
Is it possible to attain high-yielding common bean using molybdenum fertilizer instead of side-dressed nitrogen?

ABSTRACT We evaluate the feasibility of using foliar-applied molybdenum, (Mo) instead of side-dressed nitrogen (N) in three experiments. In soils with native rhizobia, plants received 0, 30, 60, 90 or 120 kg N ha−1 with +Mo (80 g ha−1) or -Mo. N concentration in leaves (NCL) -Mo ranged from 35.1 to 42.5 g kg−1 and NCL +Mo from 40.3 to 49.2 g kg−1; yield -Mo ranged from 1560 to 3350 kg ha−1and yield +Mo from 2829 to 3567 kg ha−1. In two experiments, NCL or yield -Mo increased linearly or quadratically with increasing N rates, but NCL or yield +Mo did not. In one experiment, NCL increased linearly with increasing N rates and 16% with +Mo relative to –Mo, but yield was not affected significantly. Our results suggest that using Mo fertilizer instead of side-dressed N can allow common bean plants to meet crop demands for N to support yields as high as 3000 kg ha−1.
Informal Digital Learning of English Vocabulary: Saudi EFL Learners’ Attitudes and Practices

Because of the widespread use of digital technology, many EFL students access various types of technologies that help them acquire English vocabulary beyond formal classroom learning. This paper aims to explore Saudi EFL learners’ attitudes towards informal digital learning of English vocabulary (IDLEV) outside the academic requirements as well as their practices of IDLEV beyond the classroom. To answer the research questions of the study, the researchers recruited 80 Saudi EFL students from the University of Bisha, Saudi Arabia, to respond to a self-reported questionnaire. The study found that Saudi EFL students have positive attitudes towards informal digital learning of English in improving their vocabulary. Results also reveal that the participants tend to use different technologies to learn English vocabulary in informal settings. The study found that receptive activities are more commonly used than the productive activities. The study found a significant correlation between learners’ attitudes and practices. The implications of the study and recommendations were presented accordingly.
A Cognitive Linguistic Study of the Persuasive/Attention Strategies Used in Selected American English E-Advertisements

The present paper aims to examine the use of the persuasive rules in texts and images to determine the role of these visual modes in recalling or adding what they mention. Such a study helps set clearly which visual mode is much more convincing, the image or the text. Scholars generally agreed that the visual mode is more persuasive. However, such a statement is general as it does not state exactly which type of visual mode is more convincing. Accordingly, the research questions highlighted here are: What are the persuasive strategies invested in any of these two visual modes, texts and images? And, what is the role these visual modes play to enhance the sense of persuasion? To achieve the objectives, the researchers will adopt the cognitive linguistic theory of frame semantics by Fillmore (1995). Since the study is qualitative, the study’s data will be limited to four randomly selected American English advertisements posted on Facebook. Findings have revealed that the number of the evoked frame units is unlimited and subjective, reflecting, as a result, a person’s imagination power, his needs, and desires. The study has concluded that the visual, written text is more persuasive than the pictures and photos. The text reflects a bricolage of various persuasive strategies that help pull the attention. Besides, the images provided played a vital role, though secondary to the texts, supporting the textual information and flavor it realistically.
Coronavirus Disease 2019-Related Multisystem Inflammatory Syndrome in Children: A Systematic Review and Meta-Analysis

Background This study aimed to describe the clinical symptoms, laboratory findings, treatment, and outcomes of coronavirus disease 2019-related multisystem inflammatory syndrome in children to provide a reference for clinical practice. Methods We employed a literature search of databases such as PubMed, Web of Science, EMBASE, and Johns Hopkins University for articles on COVID-19-related multisystem inflammatory syndrome in children published between April 1, 2020, and January 15, 2021. High-quality articles were selected for analysis on the basis of their quality standard scores. Using R3.6. 3 software, meta-analyses of random- or fixed-effects models were used to determine the prevalence of comorbidities. Subgroup analysis was also performed to determine heterogeneity. Results A total of 57 articles (2,290 pediatric patients) were included in the study. Clinical Manifestations. :ncidences of fever, gastrointestinal symptoms, respiratory symptoms, and musculoskeletal symptoms (myalgias or arthralgias) were 99.91% (95% CI: 99.67–100%), 82.72% (95% CI: 78.19–86.81%), 53.02% (45.28–60.68%), and 14.16% (95% CI: 8.4–21.12%), respectively. The incidences of rash, conjunctival injection, lymphadenopathy, dry cracked lips, neurologic symptoms (headache, altered mental status, or confusion), swollen hands and feet, typical Kawasaki disease, and atypical Kawasaki disease were 59.34% (95% CI: 54.73–63.87%), 55.23% (95% CI: 50.22–60.19%), 27.07% (95% CI: 19.87–34.93%), 46.37% (95% CI: 39.97–52.83%), 28.87% (95% CI: 22.76–35.40%), 28.75% (95% CI: 21.46–36.64%), 17.32% (95% CI: 15.44–19.29%), and 36.19% (95% CI: 21.90–51.86%), respectively. The incidences of coronary artery dilation, aneurysm, pericardial effusion, myocarditis, myocardial dysfunction, high troponin, and N-terminal pro-B-type natriuretic peptide were 17.83%, 6.85%, 20.97%, 35.97%, 56.32%, 76.34%, and 86.65%, respectively. The incidences of reduced lymphocytes, thrombocytopenia, hypoalbuminemia, elevated C-reactive protein, ferritin, LDH, interleukin-6, PCT, and FIB were 61.51%, 26.42%, 77.92%, 98.5%, 86.79%, 80.59%, 89.30%, 85.10%, and 87.01%, respectively. PICU Hospitalization Rate and Mortality. The incidences of PICU hospitalization or with shock were 72.79% and 55.68%, respectively. The mortality rate was 1.00%. Conclusion and Relevance. PICU hospitalization and shock rates of multisystem inflammatory syndrome in children associated with COVID-19 were high, and its cumulative multiorgans and inflammatory indicators are increased, but if treated in time, the mortality rate was low.
A Single Target Grasp Detection Network Based on Convolutional Neural Network

Grasp detection based on convolutional neural network has gained some achievements. However, overfitting of multilayer convolutional neural network still exists and leads to poor detection precision. To acquire high detection accuracy, a single target grasp detection network that generalizes the fitting of angle and position, based on the convolution neural network, is put forward here. The proposed network regards the image as input and grasping parameters including angle and position as output, with the detection manner of end-to-end. Particularly, preprocessing dataset is to achieve the full coverage to input of model and transfer learning is to avoid overfitting of network. Importantly, a series of experimental results indicate that, for single object grasping, our network has good detection results and high accuracy, which proves that the proposed network has strong generalization in direction and category.
Modulatory Effect of Probiotics on Proinflammatory Cytokine Levels in Acrylamide-Treated Rats

The aims of this study are to investigate the effect of acrylamide on the level of proinflammatory cytokines in the blood of acrylamide-treated rats and to find the modulatory impact of probiotics on those cytokines. Thirty-two rats were divided into four groups: rats which received 20 mg acrylamide, acrylamide with 20 mg probiotics, acrylamide with 200 mg probiotics, and standard water and food (groups 1–4, respectively). The serum levels of cytokines were measured on days 0, 15, and 30. Group 1 showed an increased serum level of IL-1β, IL-6, and TNF-α after 15 days, and they decreased in day 30. Serum IL-6 level was significantly decreased on days 15 and 30 in rats in group 2 compared to the controls. TNF-α and IL-1β levels were not statistically different after treated with probiotics. The exposure of rats to acrylamide led to increased systemic inflammation as evidenced by higher levels of proinflammatory cytokines, and probiotics can modulate this inflammation.
Association of Stillbirths with Maternal and Fetal Risk Factors in a Tertiary Care Hospital in South India

Background Birth of a fetus with no signs of life after a predefined age of viability is a nightmare for the obstetrician. Stillbirth is a sensitive indicator of maternal care during the antepartum and intrapartum period. Though there has been a renewed global focus on stillbirth as a public health concern, the decline in stillbirth rate (SBR) has not been satisfactory across the nations, with a large number of stillbirths occurring in the low- to middle-income countries (LMICs). Hence, the study was carried out to analyze maternal and fetal risk factors and their association with stillbirths in a tertiary care center in South India. Methods This observational prospective study included pregnant women with stillbirth beyond 20 weeks of gestation or fetal weight more than 500 grams. Stillbirths were classified according to the simplified causes of death and associated conditions (CODAC) classification. Association between the risk factor and stillbirths was calculated with chi-square test and odds ratio with 95% confidence interval. Results There were 171 stillbirths (2.97%) among total 5755 births. The SBR was 29.71/1000 births. Risk factors such as preterm delivery (OR: 22.33, 95% CI: 15.35–32.50), anemia (OR: 21.87, 95% CI: 15.69–30.48), congenital malformation (OR: 11.24, 95% CI: 6.99–18.06), abruption (OR: 10.14, 95% CI: 6.43–15.97), oligohydramnios (OR: 4.88, 95% CI: 3.23–7.39), and hypertensive disorder (OR: 3.01, 95% CI: 2.03–4.46) were significantly associated with stillbirths. The proportion of intrapartum stillbirths was found to be 5 (3%) among the study population. Conclusion Highest prevalent risk factors associated with stillbirth are anemia and prematurity. Intrapartum stillbirths can be reduced significantly through evidence-based clinical interventions and practices in resource-poor settings. There is a need to provide and assure access to specialized quality antenatal care to pregnant women to control the risk factors associated with stillbirths.