Miracle-dz/UniFAR-FTUs huggingface dataset:
Intraseasonal Soil Moisture–Atmosphere Feedbacks on the Tibetan Plateau Circulation

Substantial intraseasonal precipitation variability is observed across the Tibetan Plateau (TP) during boreal summer associated with the subtropical jet location and the Silk Road pattern. Weather station data and satellite observations highlight a sensitivity of soil moisture and surface fluxes to this variability. During rain-free periods of two or more days, skin temperatures are shown to rise as the surface dries, signalling decreased evaporative fraction. Surface fluxes are further enhanced by relatively clear skies. In this study we use an atmospheric reanalysis to assess how this surface flux response across the TP influences local and remote conditions. Increased surface sensible heat flux induced by decreased soil moisture during a regional dry event leads to a deepening of the planetary boundary layer and the development of a heat low. Consistent with previous studies, heat low characteristics exhibit pronounced diurnal variability driven by anomalous daytime surface warming. For example, low-level horizontal winds are weakest during the afternoon and intensify overnight when boundary layer turbulence is minimal. The heat low favors an upper-tropospheric anticyclone that induces an upper-level Rossby wave and leads to negative upper-level temperature anomalies across southern China. The Rossby wave intensifies the upper-level cyclonic circulation across central China, while upper-level negative temperature anomalies across south China extend the west Pacific subtropical high westward. These circulation anomalies influence temperature and precipitation anomalies across much of China. The association between land–atmosphere interactions across the TP, large-scale atmospheric circulation characteristics, and precipitation in East Asia highlights the importance of intraseasonal soil moisture dynamics on the TP.
Production and dissipation of kinetic energy in grid turbulence

In grid turbulence, not so far behind the grid, an average flow can be observed with a close to sinusoidal velocity profile, corresponding to the wakes behind the grid bars. The kinetic energy of this mean flow decays rapidly and a close to isotropic flow is observed further downstream. We show how these wakes behind the grid bars influence the downstream turbulence. In particular, we investigate the decay rate of kinetic energy, the behavior of the normalized dissipation rate, and the sensitivity of the flow on initial conditions. We show that the initial value of the ratio of the length scale of the turbulence to the mesh-size determines the precise decay of the mean-flow and the generation of the turbulent kinetic energy. We further show how a simple turbulence model can estimate the degree of nonequilibrium and inhomogeneity of grid turbulence and how this model can be extended to take into account disequilibrium observed in direct numerical simulations of decaying isotropic turbulence.
Numerical Analysis of the Temperature Field in the Cutting Zone in Continuous and Discontinuous Metal Cutting by Turning

Temperature of cutting is a very important indicator of the cutting process. High specific pressures and high temperatures in the narrow cutting zone result in a drop of hardness of the tool material, the intensification of the abrasion and deformation of the cutting elements, losing the cutting abilities, and finally the failure of the cutting tool. The aim of this paper is to calculate the temperature fields using the existing numerical models for the simulation of thermodynamic processes on the wedge of the cutting tool (based on the finite element method). A special accent is given to the numerical calculation of temperatures in the conditions of continuous and discontinuous turning for specific cutting conditions (processing regime, tool geometry and thermo-mechanical characteristics of the tool materials and workpiece materials) using different simulation models. The Third Wave AdvantEdge software package was used for the simulation of orthogonal turning, and some of the results of the calculations of the temperature fields were compared with the results of experimental measurements.
Preparation and Characterization of Thin Films TiO2 Prepared by Various Amount of Triton X-100 Surfactant for Photodegradation of a Dye Pollutant

Dipping borosilicate glass in modified sol-gel solution was used to prepare thin film TiO2. The sol was prepared from titaniumtetraisopropoxide(TTIP), hydrochloric acid (conc. HCl), ethanol(EtOH), TritonX-100 surfactant and acetic acid(AcOH). The mole ratios of the starting solution were surfactant: EtOH: AcOH: TTIP: conc.HCl= R: 45: 6: 1: 0.1. The amounts of surfactant (R value) were varied as 0, 0.5, 1, 2, 3 and 4 moles, respectively. After dip-coated, the borosilicate glasses were dried at room temperature and heated for 15 minutes at 500 °C (rate3°C/min). The obtained films were uniform; however, varied in transparency, decreasing when the TritonX-100/TTIP mole ratios had been increased. The crystal structure, optical property and the morphology of thin films TiO2 were characterized by X-ray diffraction (XRD), UV–Vis spectroscopy, Environment Scanning Electron Microscope (E-SEM) and Atomic Force Microscopy (AFM). Spectra of XRD showed that all the TiO2 thin films were anatase phase. From UV–Vis technique, it was found that their UV absorption edges were approximately 380 nm. A cracking on the surface of TiO2 thin films appeared when the amounts of the surfactant were increased. From AFM image, TiO2 particles were spherical size, ranged from 11.2 to 35.5 nm and the roughness of the films increased with the increasing of TritonX-100/TTIP mole ratios. Under UV illumination, the photodegradation results of Reactive Yellow17 was pseudo the first order reaction and the film of TritonX-100/TTIP mole ratio = 1 : 1 was the highest removal efficiency with the apparent rate constant (k) = 2x10-2 min-1 and half life (t1/2) = 34.65 min.
Content analysis of flavonoids in Dendranthema indicum flower from different locations by HPLC.

The content of linatin,luteolin,quercetin and apigenin in Dendranthema indicum(L.) Des Moul.flower from eleven locations was analyzed by HPLC.The results show that linatin and luteolin contents in samples are higher with a range of 0.0-13.3 and 0.5-2.1 mg·g-1,respectively,and suitable for quantitative determination,while apigenin and quercetin contents are trace and suitable for qualitative determination.The content of flavonoids is obviously affected by locations.No linatin is detected in samples from Jiangxi and Nanyang of He'nan.The content of linatin and luteolin is higher in samples from Chuzhou of Anhui,Nanjing of Jiangsu and Inner Mongolia.D. indicum flower from Chuzhou of Anhui is superior for having all four flavonoids and higher content of linatin and luteolin.
CEOs’ self-disclosure on Instagram and consumer-brand relationships: the moderating effect of relationship norms

Abstract This study examined the effects of chief executive officers’ (CEOs) self-disclosure on consumer–brand relationships and the moderating role of brand relationship norms. To test the proposed hypotheses, a 2 × 2 factorial design was implemented with self-disclosure (high vs. low) and relationship norms (exchange v. communal) as the between-subjects factors. The results showed the interplay between the level of CEOs’ self-disclosure on Instagram and the type of relationship norms between consumers and brands and their effects on consumers’ attitudinal and behavioral responses. For participants primed with the communal norm, high CEO self-disclosure induced more positive attitudes toward the CEO and the brand as well as higher consumer intentions for self-disclosure, than the low CEO self-disclosure; these results were reversed for participants in the exchange norm condition. This study advances the theoretical understanding of brands’ social media engagement using CEOs and provides practical implications.
Constructing a typology of male-on-male child molestation: a qualitative analysis of victims’ narratives within the Boy Scouts of America

ABSTRACT This study examined details of behavioural sequences that constitute male-on-male child molestation within the Boy Scouts of America based on the narratives reported by child victims. Previous studies largely focused on convicted offenders when reconstructing the circumstances of child molestations. Also, sex crime literature did not consistently distinguish victim's gender and age when it comes to child victims and child molestation in an educational setting. Such loopholes have made the significances of the behavioural patterns in male-on-male child molestation unknown. This qualitative study analyses the verbal and behavioural patterns of male adult scoutmaster perpetrators against boy victims at the physical contact stage. Using a fishing metaphor, we identify unique behavioural sequences of scoutmaster perpetrators and explain the implications of such behaviours in male-on-male child molestation. Details of three unique behavioural patterns of scoutmaster perpetrators in male-on-male child molestation within the Boy Scouts of America are discussed.
The Effect of Mathematical Connections on the Mastery of Probability Material

Abstrak. This study aims to analyze students' mathematical connections in terms of their initial ability to material opportunities. This type of research uses a quantitative approach with a quasi-experimental method with the design of this research is the Two Group Pretest-posttest. The population of this study was all students of semester VI Physics Tadris UIN Sulthan Thaha Saifuddin Jambi, totaling 42 people. The sampling technique used was saturated sampling with research instruments in the form of test descriptions. Data were analyzed using a paired t-test test. From the calculation results, the value - ttable ≤ tcount ≤ + ttable is -2.02 ≤ 7.84 ≥ + 2.02, then H0 is rejected and Ha is accepted at the significance level α = 0.05. So it can be stated that there are differences in student learning outcomes with high initial mathematical abilities compared to low initial mathematical abilities. The results of the research correlation test (test phi (Φ)), where the calculation results obtained rtabel value ≤ rcount, namely 0.305 ≤ 0.873 then H0 is rejected and Ha is accepted at the significance level α = 0.05. So that it can be revealed that the initial mathematical ability has a significant effect on student learning outcomes on probability. Abstrak. Penelitian ini bertujuan untuk menganalisis koneksi matematis mahasiswa dilihat dari kemampuan awal terhadap terhadap materi peluang. Jenis penelitian ini menggunakan pendekatan kuantitatif dengan metode quasi experimental dengan desain penelitian ini adalah the Two Group Pretest-posttest. Populasi penelitian ini adalah seluruh mahasiswa semester VI Tadris Fisika UIN Sulthan Thaha Saifuddin Jambi yang berjumlah 42 Orang. Teknik sampling yang digunakan adalah sampling jenuh dengan Instrumen penelitian berupa tes uraian. Data dianalisis dengan menggunakan uji ttest. Dari hasil perhitungan diperoleh nilai -ttabel ≤ thitung ≤ + ttabel yaitu -2,02 ≤ 7,84 ≥ + 2,02, maka H0 ditolak dan Ha diterima pada taraf signifikansi α = 0,05. Sehingga dapat dinyatakan bahwa terdapat perbedaan hasil belajar mahasiswa kemampuan awal matematik tinggi dibanding dengan keamampuan awal matematik rendah. Hasil penelitian dilanjutkan uji koreslasi (Uji phi (Φ)), dimana dari hasil perhitungan diperoleh nilai rtabel ≤ rhitung yaitu 0,305 ≤ 0,873 maka H0 ditolak dan Ha diterima pada taraf signifikansi α = 0,05. Sehingga dapat disimpulkan bahwa kemampuan awal matematik memberikan pengaruh yang signifikan terhadap hasi belajar mahasiswa pada materi probabilitas.
Sustainability of social economy organizations (SEOs): An analysis of the conditions for surviving and thriving

Social economy organizations (SEOs), designed to do good for society, have been attracting significant attention as an alternative to purely profit-driven businesses. However, the sustainability of these hybrid organizations has been questioned due to the challenges in meeting the dual bottom-lines of financial performance and social purpose. This article takes a causal-process tracing (CPT) case study approach and analyzes eight SEOs to investigate the common characteristics of sustainable SEOs. The results of the analysis show that effective leadership is a sufficient (but not necessary) condition for the survival of SEOs, while leadership is a necessary (but not sufficient) condition for SEOs’ thriving. Business competitiveness is found to be necessary for SEOs’ long-term success and performance over time. Collaborative networking is a contributory condition for SEOs thriving but not a necessary condition for their survival.
Incorporation of Palm Oil Fuel Ash and Egg shell Powder as Supplementary Cementitious Materials in Sustainable Foamed Concrete

: The release of carbon dioxide (CO 2 ) during the production of cement and the increase in waste generation has allowed the construction to focus on sustainability by replacing cement with agricultural waste resources such as Palm Oil Fuel Ash (POFA) and Eggshell Powder (ESP). This experimental study focuses on developing sustainable foamed concrete incorporating high content of POFA and ESP as cement replacement with the aim of cement conversion, reduction in natural resources depletion, reduction of CO 2 emissions and cleaner production. Cement was replaced using 30 and 35% POFA and 5 to 15% ESP by weight of cement. It was observed that the flowability decreased with the increase in the content of POFA and ESP; this is due to their ability to absorb water. It was also observed that 40% cement replacement achieved satisfactory compressive strength while the tensile stress loss was significant. This study confirmed that recycling and reusing of POFA and ESP are possible in foamed concrete which could be used for non-structural applications.
Host- and Pathogen-Related Factors for Acute Cardiac Events in Pneumococcal Pneumonia

Abstract Background Acute cardiac events (ACEs) are increasingly being recognized as a major complication in pneumococcal community-acquired pneumonia (CAP). Information regarding host- and pathogen-related factors for ACEs, including pneumococcal serotypes and clonal complexes, is scarce. Methods A retrospective study was conducted of a prospective cohort of patients hospitalized for CAP between 1996 and 2019. Logistic regression and funnel plot analyses were performed to determine host- and pathogen-related factors for ACEs. Results Of 1739 episodes of pneumococcal CAP, 1 or more ACEs occurred in 304 (17.5%) patients, the most frequent being arrhythmia (n = 207), heart failure (n = 135), and myocardial infarction (n = 23). The majority of ACEs (73.4%) occurred within 48 hours of admission. Factors independently associated with ACEs were older age, preexisting heart conditions, pneumococcal bacteremia, septic shock at admission, and high-risk pneumonia. Among 983 pneumococcal isolates, 872 (88.7%) were serotyped and 742 (75.5%) genotyped. The funnel plot analyses did not find any statistically significant association between serotypes or clonal complexes with ACEs. Nevertheless, there was a trend toward an association between CC230 and these complications. ACEs were independently associated with 30-day mortality (adjusted odds ratio, 1.88; 95% CI, 1.11–3.13). Conclusions ACEs are frequent in pneumococcal pneumonia and are associated with increased mortality. The risk factors defined in this study may help identify patients who must undergo close follow-up, including heart rhythm monitoring, and special care to avoid fluid overload, particularly during the first 48 hours of admission. These high-risk patients should be the target for preventive intervention strategies.
Analysis of Factors Related to The Documentation of Nursing Care

Nursing documentation is written evidence of the implementation of nursing care, but in some hospitals documenting nursing care is still problem and far from the Indonesian Ministry of Health, which is 80%. This study aimed to determine the factors associated with Nursing documentation of inpatient care at the Ibnu Sina Islamic Hospital Pekanbaru. The design of this study was observational cross sectional. A sample of 82 nurses used a proportional random sampling technique.The results showed that there individual factors 72 % were early adult nurses, 51,2 % were old nurse with long time, 95,1% were high educational level. Organization factors showed that there 70,7 % were head nurse good category, 75,5% were employee available category, 52, 4% were nursing care good category.There were significant differences of length of work and level of education with documentation of nursing care.
Assessment of knowledge, attitude and practice towards COVID-19 and its' psychological impact among the public of a metropolitan city of South India

COVID-19 is an emerging respiratory infectious disease that is caused by the novel coronavirus and was first detected in a seafood market in Wuhan, China in December 2019, which then exponentially spread beyond Wuhan and China to affect over 200 countries globally, thereby posing a threat to the health and lives of millions of people worldwide. The ongoing COVID-19 pandemic has spread very rapidly and by 21 May 2020, the virus reached almost 212 countries, with 4,893,186 cases and 323,256 deaths so far. India is one of the worst affected countries with 112,359 cases and 3435 deaths as of 21 May 2020. ABSTRACT
The Social Construction of Conspiracy Beliefs: A Q-Methodology Study of How Ordinary People Define Them and Judge Their Plausibility

Abstract Little is known about ordinary people’s understandings of conspiracy beliefs and how these understandings relate to the perspectives of researchers and scholars. Working within a social constructionist epistemological framework, we conducted a Q-methodology study aiming to identify a range of lay perspectives on two key topics: the defining features of conspiracy beliefs; and aspects considered important in judging their plausibility. Fifty-six people (32 men and 24 women), recruited via regional UK Facebook groups, sorted their agreement with a set of statements on each of the two topics. A principal component analysis, followed by varimax rotation, was performed on each data set. Five accounts about the defining features of conspiracy beliefs were identified: that they are false, illogical and harmful; that they are forms of political critique; that there are varied types; that they are entertaining but ineffectual; and that they are held by a self-reinforcing minority. Four accounts about their evaluation were identified: conventional realist criteria; the importance of personal judgment; skeptical realism; and the assessment of critical thinking. The findings are discussed in the context of the literature and limitations of the study are considered. Implications for research and educational and policy interventions are outlined.
The Relationship between Students’ MOOC-efficacy and Meaningful Learning

This research explored two important constructs in 21st century e-education—students’ MOOC-efficacy and meaningful learning among undergraduate students in selected public universities in Malaysia. Its main objective was to examine the causal relationship of students’ MOOC-efficacy on meaningful learning. The study conceptualized students’ MOOC-efficacy in four dimensions (i.e. information searching, making queries, MOOC learning, and MOOC usability), while conceiving meaningful learning as having five dimensions (i.e. cooperative learning, active learning, authentic learning, constructive learning, and intentional learning). This research applied cross-sectional survey design. Data were collected with a 52-item questionnaire whose reliability indexes ranged from 0.822 to 0.890 for the dimensions. The study's population was identified as university students who have had some experience with MOOCs and who willingly volunteered to participate in the research. A sample of 603 respondents was drawn through simple random sampling. The full-fledged Structural Equation Modeling (SEM) was adopted for data analysis. The finding indicated that students’ MOOC-efficacy was positively associated with meaningful learning. The results show that students’ MOOC-efficacy explains 67% of the variance in meaningful learning. The fit indices indicate an adequate fit: RMSEA = 0.041, CFI = 0.923 and χ2/df = 2.067. The finding provides further insights into what works in an open online environment. The insights may be used to fulfill learners’ needs and preferences. MOOCefficacy interventions are crucial in order to encourage students’ meaningful learning in the e-learning platform.
Fast Estimation of Phase and Frequency for Single-Phase Grid Signal

Accurate and fast estimation of single-phase grid voltage phase and frequency has the potential to improve the performances of various control and monitoring techniques used in electric power systems. This letter applies an adaptive sliding mode observer for frequency and phase estimation. The observer is simple, easy to tune, and suitable for real-time implementation. The proposed adaptive observer can be considered as an alternative to a phase-locked loop (PLL) with better performance. dSPACE-based experimental results are given to show the effectiveness and performance improvement of the proposed approach with respect to two other advanced PLL techniques, namely, pseudolinear enhanced PLL and second-order generalized integrator-frequency locked loop.
Crystal Structures and Thermodynamic Investigations of LiK(BH4)2, KBH4, and NaBH4 from First-Principles Calculations

The bialkali borohydride LiK(BH4)2 has a total H2 content of 10.65 wt % and has been suggested as a potential candidate for hydrogen storage applications. We report first-principles calculations of the structure and reaction thermodynamics of LiK(BH4)2. We have also examined KBH4 and its structural analog NaBH4. Both KBH4 and NaBH4 have crystal structures involving disordered H atoms on lattice sites, and we show that the configurational entropy associated with these sites plays an important role in determining the stable phases of these materials. Our calculations indicate that LiK(BH4)2 is unstable with respect to decomposition into LiBH4 and KBH4 at almost all temperatures. We have also searched for reactant compositions that can destabilize LiK(BH4)2, KBH4, or NaBH4. This effort identified several coreactants in mixtures with KBH4 and NaBH4 that are predicted to have reaction thermodynamics for hydrogen release within the range of other borohydride-based systems being actively considered for hydrogen .
Multipoint Iterative Learning Model Predictive Control

Iterative learning model predictive control (ILMPC), endowed with the merits of iterative learning control and model predictive control, has excellent abilities of disturbance rejection and constraints handling. It has been widely applied in regulation of industrial batch processes for its remarkable reference tracking performance. In practice, the presence of strong system nonlinearity fundamentally challenges the model mismatch cyclewise invariance assumption that underlies numerous synthesis of many ILMPC methods. It may further induce additional conservatism and thus ultimately leads to performance degradation. To circumvent this issue, in this paper a novel ILMPC scheme relying upon past error compensation from multiple time instances is presented, in which the associated weights are adaptively optimized, thereby resulting in considerable enhancement of robustness. These superior performances are confirmed by numerical experiments on injection molding process, a typical batch process.