Miracle-dz/UniFAR-FTUs huggingface dataset:
Phytochemicals of Citrus Fruits: The in-silico Investigation against Sars-CoV-2 Proteins

The current pandemic Covid-19 brought about by a newly emerged and highly infectious virus named as Sars-CoV-2 as a worldwide danger, has infected more than 600 million people and number of deaths are continuously rising day by day. Till date there are no medications accessible for treatment. All over the world scientists and researchers are involved in the study of this emerged virus and its lifecycle. Structures of proteins in the life cycle of virus has been revealed in RCSB PDB (Research Collaboratory for Structural Bioinformatics Protein Data Bank) by researchers. Citrus fruits are used to treat many distresses of humans. Literature survey shows that it has various activities. Our research work is meant to identify the phytoconstituents which are having phenolic composition and good antiviral and antioxidant properties from citrus fruits against Covid-19 proteins (spike binding domain with ACE2 receptor and spike binding domain with Main protease) and to know its in-silico molecular basis. In this study, about 25 compounds from citrus fruits which is having a good antiviral and antioxidant properties and also phenolic composition were employed for molecular docking analysis, molecular dynamic simulation studies and ADME studies. Based on present study 2 compounds from Citrus fruits acted well against the Covid-19 proteins. The MD simulations were employed to identify Hesperidin and Procyanidin B2 as hit compounds. Further ADME analysis were studied for top 2 compounds, these compounds can be further taken for in-vitro studies to know the effective activity against Covid-19. HIGHLIGHTS Citrus fruit phytochemicals are fascinating core, which shows an excellent anti-viral, anti-inflammatory and antioxidant properties The SARS-CoV-2 is newly emerged and highly infectious virus, has infected more than 600 million people and number of deaths are continuously rising day by day Molecular docking analysis, Molecular dynamics simulation ADME studies was carried out Compound Hesperidin and Procyanidin B2 showed a good inhibitory activity against SARS-CoV-2 proteins GRAPHICAL ABSTRACT
EFL Learners' Attitudes towards the Use of Literature Regarding Cultural Awareness, Personal Reflection, and Language Skills

In recent years there has been a renewed interest concerning the usage of literary texts in EFL classrooms as the usage helps learners enhance not only their reading and writing skills but also speaking skills on the role of cultural awareness as well. This study investigates the supporting role of literature and illustrates learners’ attitudes towards integrating literary texts while learning a second language. Convenience sampling technique was used, and the sample utilized in this research was randomly chosen 67 English major students at a public university in Turkey. The data of the study were collected through the questionnaire with a 5-point Likert scale (Likert, 1967) including 20 close-ended items. This study aims to demonstrate what kind of attitudes the second language learners have on the usage of literary texts in EFL classrooms and also whether the usage has any positive effects on raising cultural awareness.
Identifying Learners’ Needs and Design Features in Augmented Reality Application for Learning Mandarin Vocabulary: A Pilot Study

Global communication has become narrower and simpler and resulted to the increased demand of foreign language learning. Due to this, more effort has been taken up especially in tertiary level to further improve learning experience in line with the increasing demand and needs of learners in learning. More suitable digital materials are needed and Augmented Reality (AR) is seen able to be utilized. However, AR uses and how it complies to certain principles of language teaching and learning have become a concern. Therefore, this paper attempts to identify the needs of learners in AR learning environment as well as identifying the features required in the content and design of AR application for Mandarin vocabulary learning. This quantitative research involves 320 purposely selected respondents and utilizes a set of survey questionnaire comprises of three parts. The findings, based on descriptive analysis
Biocorrosion Behaviour of Carbon Steels by Tropical Microbes in the Presence of Corrosion-Inhibiting Bacterium

A set of microbiologically induced corrosion was carried out on different types of carbon steels: AISI 1006 and API 5L X52, iron-oxidizing bacterium and sulfur-oxidizing bacterium, a mixed culture of Alicyclobacillus ferrooxydans SKC/SAA-2 and Aspergillus niger and Comamonas thiooxydans SKC/SAA-1, in the presence of the corrosion-inhibiting bacterium, Pseudomonas plecoglossicida. According to the immersion test experiments, weight loss of API 5L X52 was lower (0.06-0.27%) than AISI 1006 (0.14-0.32%). AISI 1006 showed more detrimental localized pitting corrosion than API 5L X52. During the longer incubation time, the corrosion-inhibiting bacterium was more homogenous and compact, which affected the specimen surface more protective characteristics. The 2-week-old biofilm effectively protected the API 5L X52, as indicated by the low amount and more negligible pitting corrosion. This study will be the first report on the biocorrosion behaviour of carbon steels using different corrosion-causing microbes in the presence of the corrosion-inhibiting bacterium.
The Oklahoma-Kansas mesoscale convective system of 10-11 June 1985: precipitation structure and single-Doppler radar analysis

Abstract The 10–11 June mesoscale convective system observed in Kansas during PRE-STORM is studied using a variety of observations including conventional radar, satellite, and single-Doppler radar. This storm, at maturity, consisted of a strong line of convection trailed by a broad region of stratiform rain. The PRE-STORM Doppler radar observations show that the general airflow pattern is similar to that seen in previously analyzed cases; however, since the Doppler observations were quite extensive in time and space, they permit several details of the airflow to be revealed for the first time. A rear inflow jet, front-to-rear flow aloft, and a mesoscale updraft and downdraft were all present. The mesoscale downdraft commenced at the top of the slanted rear inflow jet. Sublimation and evaporation of hydrometeors in this flow apparently generated the necessary cooling to drive the mesoscale downdraft circulation. The intensity and slope of the rear inflow jet varied with location in the storm, which apparen.
Generating traceable adversarial text examples by watermarking in the semantic space

Abstract. The adversarial examples have been proven to reveal the vulnerability of the deep neural networks (DNNs) model, which can be used to evaluate the performance and further improve the robustness of the model. Because text data is discrete, it is more difficult to generate adversarial examples in the natural language processing (NLP) domain than in the image domain. One of the challenges is that the generated adversarial text examples should maintain the correctness of grammar and the semantic similarity compared with the original texts. In this paper, we propose an adversarial text generation model, which generates high-quality adversarial text examples through an end-to-end model. Moreover, the adversarial text examples generated by our proposed model are embedded with watermarks, which can mark and trace the source of the generated adversarial text examples and prevent the model from being maliciously or illegally used. The experimental results show that the attack success rates of the proposed model can still reach higher than 88% even on the AG’s News dataset where generating adversarial text examples is more difficult. And the quality of adversarial text examples generated by the proposed model is higher than that of the baseline models. At the same time, because of the generated adversarial text examples are embedded with strong robust watermarks, the model can be better protected.
Investigating primary emotional systems and the Big Five of Personality including their relations in patients with major depression and healthy control persons

ABSTRACT This study investigates two concurrent personality theories in the context of depression: Pankseppian affective neuroscience theory (ANT) describes primary emotional systems related to depression, whereas in the five-factor model (FFM), neuroticism is most robustly related with depression. Of note, ANT has been established via neuroscientific cross-mammalian-research, while the FFM belongs to the realm of Big Five personality theory, which has been established by a lexical approach. This study aimed to investigate whether the previously suggested systems or factors in depression within each of these approaches would correspond with depression, and with each other across factors/systems, in a single large sample of patients with major depression (n = 184) and age- and gender-matched healthy controls (n = 183). Subjects filled in the NEO-FFI and the Affective Neuroscience Personality Scales (ANPS) along with Beck’s Depression Inventory-II. In line with the literature, depressed patients demonstrated higher FEAR/SADNESS and lower SEEKING/PLAY scores when applying ANT. Also consistent with the literature, higher neuroticism scores could be observed in the depressed sample compared to the control sample. Against the background of ANT, we suggest that Panksepp’s FEAR/SADNESS might be the “bottom-up” drivers of the personality trait neuroticism. The present study shows that the observed differences in SEEKING, FEAR, and SADNESS between depressed and healthy control participants are in line with the literature and therefore can be seen as robust. The same is true for the differences in neuroticism between both samples. Finally, we discuss the applicability of the NEO-FFI and ANPS in depression research.
Disk accretion onto magnetic T Tauri stars

The dynamical and radiative consequences of disk accretion onto magnetic T Tauri stars (TTS) are examined using the Ghosh and Lamb model. It is shown that a prolonged disk accretion phase is compatible with the low rotation rates measured in these stars if they possess a kilogauss strength field that disrupts the disk at a distance of a few stellar radii from the center. It is estimated that a steady state in which the net torque exerted on the star is zero can be attained on a time scale that is shorter than the age of the youngest visible TTS. Although the disk does not develop an ordinary shear boundary layer in this case, one can account for the observed UV excess and Balmer emission in terms of the shocks that form at the bottom of the high-latitude magnetic accretion columns on the stellar surface. This picture also provides a natural explanation of some of the puzzling variability properties of stars like DF Tau and RY Lup. YY Ori stars are interpreted as magnetic TTS in which the observer's line of sight is roughly parallel to an accretion column. 37 refs.
MICROSTRUCTURE OF THE HELIOSPHERIC TERMINATION SHOCK: IMPLICATIONS FOR ENERGETIC NEUTRAL ATOM OBSERVATIONS

The Voyager 2 plasma observations of the proton distribution function downstream of the quasi-perpendicular heliospheric termination shock (TS) showed that upstream thermal solar wind ions played little role in the shock dissipation mechanism, being essentially transmitted directly through the shock. Instead, the hot supra-thermal pickup ion (PUI) component is most likely responsible for the dissipation at the TS. Consequently, the downstream proton distribution function will be a complicated superposition of relatively cool thermal solar wind protons and hot PUIs that have experienced either direct transmission or reflection at the TS cross-shock potential. We develop a simple model for the TS microstructure that allows us to construct approximate proton distribution functions for the inner heliosheath. The distribution function models are compared to κ-distributions, showing the correspondence between the two. Since the interpretation of energetic neutral atom (ENA) fluxes measured at 1 AU by IBEX will depend sensitively on the form of the underlying proton distribution function, we use a three-dimensional MHD-kinetic global model to model ENA spectra at 1 AU and ENA skymaps across the IBEX energy range. We consider both solar minimum and solar maximum-like global models, showing how ENA skymap structure can be related to global heliospheric structure. We suggest that the ENA spectra may allow us to probe the directly the microphysics of the TS, while the ENA skymaps reveal heliospheric structure and, at certain energies, are distinctly different during solar minimum and maximum.
Energy transport in open quantum systems

This thesis is concerned with modelling the dynamics of open quantum systems in several different contexts. Of principal interest is the manner in which the environment can modify, or even dominate, a system’s quantum behaviour in order to facilitate the transport of energetic excitations. In the first research chapter, a time-local, non-Markovian quantum master equation is derived in a variationally defined reference frame, for networks of two-level systems coupled to bosonic environments. The predictions of this master equation are then compared with those derived using both weak-coupling and polaron approximations. The variational master equation is found to agree with these standard approaches in their regimes of validity, whilst interpolating between them in intermediate parameter regimes. The second research chapter focusses on the dynamics of a superconducting double quantum dot embedded in a resonant circuit. The device is considered in a regime where the ground state consists of a coherent spatial superposition of a single Cooper pair, which can be excited by a variety of interactions with the environment. The relevant transition rates are calculated and the processes responsible are identified. A numerical simulation of the system is then used to explain experimental data, and show that for certain parameters a significant fraction of excitations occur via absorption of photons from the environment. The final chapter considers a model for an olfactory receptor, in which odorant molecules are recognised by their vibrational modes. Electron transfer occurs in the receptor, dependent on the presence of a vibrational mode of the right frequency. A quantum master equation for the system is derived, and the resulting dynamics is compared to earlier semi-classical treatments. The behaviour of the receptor is found to be sensitive not only to the frequency of the vibrational mode, but also to the character of the surrounding environment. Increased dissipation on the odorant mode, as well as the presence of higher frequencies in the environment is found to improve the frequency resolution of the receptor.
Online Gaming: Exploratory of the Communication Process and Current Scenario of Virtual Community Development

Online gaming activity has become a rather phenomenal practices and also has turned out to be one of today’s mostly adopted lifestyle especially amongst the youths or younger generations. As online gaming community emerged rampantly along with modern day’s growing interest in online gaming activity amongst youths’ population, this leads to a notion that the element of interaction within the online gaming community were more than just being “limited” to the virtual world. Instead, the form of interactions wi thin these virtual online gaming communities had rather shifted into interpersonal processes which are bringing and connecting millions of online gamers across the globe even closer despite the geographical boundaries. As a matter of fact, it is from this phenomenon of online gaming and emergence of various virtual gaming communities that has eventually led to the formation of other social activities such as eSports, specific-gaming fanbases, game conferences and distinguished sub-cultures. However, with the rapid development in terms of social paradigms pertaining the online gaming communities, there is also a concern pertaining gender disparities, inequalities and conflicts between male and female gamers despite the preliminary assumptions that online gaming activities are contributing towards social solidarity and interaction which formed the existence of virtual communities. Some of the questions posed in understanding this online gaming community formation based on the social paradigms are how does the social interaction in the online gaming activities occurred? How do these online gamers maintain their social solidarity? and what is the cause of gender inequalities and conflicts in online gaming community at the first place? This paper attempts to uncover the rationale behind the virtual community development of online gamers based on three distinct social perspectives namely social interaction, social solidarity and gender inequalities.
CONSTRUCTION OF GENERAL COLORED R MATRICES FOR THE YANG-BAXTER EQUATION AND q-BOSON REALIZATION OF QUANTUM ALGEBRA slq(2) WHEN q IS A ROOT OF UNITY

Through a general q-boson realization of quantum algebra slq(2) and its universal R matrix an operator R matrix with many parameters is obtained in terms of q-boson operators. Building finite-dimensional representations of q-boson algebra, we construct various colored R matrices associated with nongeneric representations of slq(2) with dimension-independent parameters. The “nonstandard” R matrices obtained by Lee-Couture and Murakami are their special examples. We also study the factorizable structure of some Rmatrices for the indecomposable representations used in its construction.
A campfire in crisis? The German national football team during the pandemic

ABSTRACT The COVID-19 pandemic has heavily affected a wide range of stakeholders in the sport sector. Yet, some professional sports managed to gain exceptions from the restrictive anti-COVID-19 policies. The current paper assumes that the effects could have been ambiguous. On the one hand, professional sports could have benefitted from its position as provider of live TV events. On the other hand, the exceptions for professional sports could have stirred the anger of a frustrated public. We explore these questions by examining two unique dataset on TV ratings for and identification with the German men’s national team during the EURO 2020. We find that the national football team, which has been depicted as last national ‘campfire’, has been a relative loser in terms of viewership, which might, however, also reflect the team’s long-term decline. We find also that approval of a special treatment for professional football has been linked to higher team identification.
On semiclassical ground state solutions for Hamiltonian elliptic systems

In this paper, we study the following Hamiltonian elliptic system with gradient termfor , where , is a small positive parameter, is a constant vector, and . Suppose that has at least one maximum, we prove that the system has ground state solutions for all sufficiently small . Moreover, we show that these solutions converge to the ground state solutions of the associated limit problem and concentrate to the maxima of in certain sense as .
Specification and application of manufacturability analysis system based on process knowledge

With the continuous improvement of manufacturing industry requirements for product quality and efficiency, given the separation of part design and development and manufacturing, this paper explores the manufacturability analysis system based on process knowledge, and classifies process knowledge into standardized knowledge, structural process knowledge and manufacturing constraint knowledge, and adopts object-oriented process knowledge representation. The implementation method and process of process review of parts by the manufacturable analysis system are described. The two manufacturability evaluation strategies based on rules/planning were studied and analyzed, the process review of the 3D model was carried out experimentally, and the system's feasibility was verified. It improves parts' design quality and efficiency and is of great significance to the design and development of new products in the future manufacturing industry.
Bars and the symmetry of star formation patterns in the discs of spiral galaxies

We present a test for the degree of symmetry in the distribution of the Hα brightness along the arms of a sample of spiral galaxies. The test consists of deriving the cross-correlation function of the Hα brightness as a function of curvilinear distance along pairs of opposed arms, after unfolding the arms geometrically. Our results reveal a significantly greater degree of symmetry in the non-barred population than in the barred. We derive parameters for both bar strength and bar ellipticity, and compare these with the derived cross-correlations to strengthen this conclusion. We suggest that density waves are a probable cause for the appearance of global, i.e. disc-wide, two-fold symmetry in spiral discs. Comparison with published work on abundance gradients in the discs of barred and non-barred galaxies indicates that, as for the abundances, mixing in the spiral disc as a result of the bar potential may well be responsible for our observation that stronger bars are related to reduced two-fold symmetry in the distribution of star-forming regions along the spiral arms.
Coffee prevents damaged of wound bed cells

Objectives: The superficial wound cells adhered to the dressing during replacement and may delay wound healing. It is different from using the coffee ground as a wound dressing. The coffee has an impressive antioxidant, anti-inflammatory, and antibacterial power. Some of it stayed on the wound to protect the proliferating cells. Are there any wound cells shed when dressing change using coffee ground? Methods: We conducted a prospective observational study in Wistar rats as an experimental randomized control trial using 27 rats of 250 grams divided into three groups. The wound size was 2cmx2cm, deep 2 mm at the back skin, and closed using gauze-saline (Group-1), foam dressing (Group-2), and coffee powder (Group-3). On the 7th day, the dressing was fixed using Liqui-PREP solution to make histologic slides to counting the epithelial cells using a microscope with 200x magnification. The wound biopsied for histologic assessment. Scoring of attached cells in wound dressing: < 10/HPF= score 3, 10-20/HPF= score 2, >20/HPF = score 1. The healing of collagen tissue density 0 to 50% = score 1, 50-75% =score 2, 75-100%=score 3. The healing of epithelialization density 0 to 50% = score 1, 50-75%=score 2, 75-100%=score 3. The healing of new vascular density, none = score 1, 1-2 new vascularization = score 2, more than 2 of new vascularization = score 3. Results: The scoring of attached epithelium in Group-1: 1.55±726, Group-2: 2.55±0.527, Group-3: 3 (p=0.0001). The coffee powder group was the significant least attached cells. Wound healing rate, Group-1: 5.77±0.44; Group-2: 6.55±0.88; Group-3: 7.22±1.20 (p=0.012). Collagenization in Group-1: 1,33±0,50, Group-2: 1.78±0.67, Group-3: 2.67±0.50 (p=0.001). Epithelialization in Group-1: 1,77±0,66, Group-2: 1.88±0.60, Group-3: 2.11±0.60 (p=0.004). Vascularization, in Group-1: 2.33±0,50; Group-2: 2.10±0.60; Group-3: 2.78±0.44 (p=0.041). Conclusions: The coffee powder has minimum detached epithelial cells.