Miracle-dz/UniFAR-FTUs huggingface dataset:
Motions in Prominence Barbs Observed on the Solar Limb

We analyze and discuss an example of prominence barbs observed on the limb on 2016 January 7 by the Hinode/Solar Optical Telescope in Ca ii and Hα, the Interface Region Imaging Spectrograph, with slit jaw images and Mg ii spectral data, and the Solar Dynamics Observatory’s Atmospheric Imaging Assembly. In the recent literature there has been a debate concerning whether these features, sometimes referred to as “tornadoes,” are rotating. Our data analysis provides no evidence for systematic rotation in the barbs. We do find line-of-sight motions in the barbs that vary with location and time. We also discuss observations of features moving along the barbs. These moving features are elongated parallel to the solar limb and tend to come in clusters of features moving along the same or similar paths in the plane of the sky during a period of 10 minutes to an hour, moving toward or away from the limb. The motion may have a component along the line of sight as well. The spectral data indicate that the features are Doppler shifted. We discuss possible explanations for these features.
Interpretation of unexpected behavior of infrared absorption spectra of ScF 3 beyond the quasiharmonic approximation

Scandium fluoride (ScF3), having cubic ReO3-type structure, has attracted much scientific attention due to its rather strong negative thermal expansion (NTE) in the broad temperature range from 10 to 1100K.Herewe use the results of diffraction and extended x-ray absorption fine-structure (EXAFS) spectroscopy to interpret the influence of NTE on the temperature dependence of infrared absorption spectra of ScF3. Original infrared absorption and EXAFS experiments in a large temperature range are presented and interpreted using ab initio lattice dynamics simulations within and beyond quasiharmonic approximations. We demonstrate that ab initio electronic structure calculations, based on the linear combination of atomic orbitals method with hybrid functionals, are able to reproduce well the experimental values of lattice parameter a0, band gap Eg , and lattice dynamics in ScF3. However, the simulations performed within quasiharmonic approximation fail to reproduce the temperature dependence of two infrared active bands due to the F–Sc–F bending (at 220 cm−1) and Sc–F stretching (at 520 cm−1) modes present in the infrared absorption spectra. To overcome this problem, an approach beyond the quasiharmonic approximation is proposed: It accounts for the negative thermal expansion of the lattice and for fluorine atom displacements due to strong F vibrational motion perpendicular to the cubic axes and allows us to explain qualitatively the temperature behavior of infrared spectra of ScF3.
Students’ Perspective About Global Warming: A Systematic Literature Review

As the temperature of the globe is increasing day by day, all existing creatures are in great danger including animals, plants, and human beings. Most people are in a panic about global warming, particularly students who are always more concerned than any other in the world. In addition, there are global combats against the rise of global warming but still, there has been a lack of awareness and action in mitigating the crises of global warming. Therefore, this systematic literature strives to explore students’ status regarding global warming. In order to support the goal of this study, the researchers utilized (n=25) journal articles from various reliable resources. After critically analyzing the papers, we have found students’ related insights about the (a) definitions, (b) awareness, (c) beliefs, (d) knowledge, (f) willingness, and (g) action against the global warming which are discussed in details in the body of this study. Finally, educational related institutions are suggested to put into practice the awareness and mitigate the rise of global warming among students.
Mind the gap! UK employment policy both during and beyond EU membership: from policy layering to policy drift

ABSTRACT This article interrogates the impact of EU employment policy on the UK both during and after EU Membership. To do so, it adopts insights from both historical institutionalism and discursive institutionalism. The argument made is that integration in the area of employment policy resulted in a process of ‘layering’ whereby EU policy ultimately tamed some of the more liberal elements of the UK’s employment model. Such layering, however, failed to generate a more fundamental change within the UK’s path dependency owing to the emergence of a powerful discourse within British politics. This discourse portrayed EU legislation as a threat to the UK’s ability to generate growth and jobs. As an ‘independent’ country, however, overtime UK employment policy is likely to experience policy drift from the EU, albeit the extent of such remains unclear.
Spatial Correlations of Global Seismic Noise Properties

A study of global seismic noise during 1997–2022 was carried out. A property of waveforms known as the Donoho–Johnston (DJ) index was used, which separates the values of the wavelet coefficients into “small” and “large”. For each reference point in an auxiliary network of 50 points, a time series was calculated with a time step of one day for the median of the values at the five nearest stations. In a moving time window of 365 days, correlations between the index values at the reference points were calculated. A decrease in the average values of the DJ-index and an increase in correlations were interpreted as a sign of an increase in global seismic danger. After 2011, there was a sharp increase in the maximum distances between reference points with large correlations. The high amplitude of the response of the DJ-index to the length of the day for 2020–2022 could predict a strong earthquake in the second half of 2023. The purpose of this study was to improve the mathematical apparatus for assessing the current seismic hazard according to the properties of seismic noise.
Stability of Price Prediction Rule for High-Frequency Trading

When using the data mining method for stock trading, it is essential to confirm the future stability of the rule found by the data mining method. Even if a rule can explain past data, in situations where the model behind the data changes, there is a risk of loss if an investment is made based on the rule learned using past data. In this study, we analyzed the mechanism behind the high-frequency trading prediction rule proposed in past research and demonstrated its stability. By demonstrating stability, this paper shows that investment using the rule can continue to be the basis for low-risk investment methods in the future
Simulation Comparison Of Class D/ Class E Inverter Fed Induction Heating

This paper deals with digital simulation of Class D and Class E inverter fed induction heater system. This system has an advantage like reduced volume and switching losses. The circuit operates under zero voltage switching. The circuit models of Class D and Class E are developed and they are used for simulation studies. The simulation results are compared and results are presented
Effect of Cost Control and Cost Reduction on Profitability of Manufacturing Firms in Nigeria: A Case of Nestle Nigeria Plc

This study examines how cost management and reduction affect Nigerian manufacturing companies' profitability. The 78 manufacturing companies registered on the Nigerian Stock Exchange make up the study's population, and a sample of one of these companies was used for the study throughout a ten-year period (2012–2021). Data for the project was gathered from the chosen company's audited financial filings. Multiple regression was used to assess the data that had been collected. The analysis's findings showed that administrative costs have a big impact on profitability. However, Nestle Nig. Plc's profitability is adversely and negligibly impacted by both finance expenses and fluctuations in the cost of materials. The study came to the conclusion that Nestle Nigeria Plc's profitability is significantly impacted by cost control and cost reduction. The study advises the proper adoption of cost control and reduction techniques that won't result in company failure in the future. It also suggests that these techniques be properly evaluated, constantly monitored, and checked to make sure they serve the intended purpose.
تقييم جودة ونوعية بعض اصناف العسل المحلي والمستورد في محافظات الفرات الاوسط

اجريت الدراسة لتقييم جودة نماذج من انواع مختلفة من العسل المحلي المنتج من مناحل مختلفة من مناطق الفرات الاوسط ( النجف ،الديوانية ،الحلة ،كربلاء المقدسة ) والمستورد في جامعة كربلاء للمدة من1 /12-1/9 /2017 وشملت فحص 11 أنموذجا واظهرت النتائج تباين في النسبة المئوية للرطوبة اذ تراوحت مابين 16.3 – 19.8 %، ولوحظ بان نسبة الرماد تراوحت مابين 0.2211-0.5433 % . وكانت قيم الاس الهيدروجيني لنماذج العسل متباينة اذ كانت اعلى قيمة اس هيدروجيني في النموذج 9 وبلغت 3.9 اما ادنى قيمة اس هيدروجيني كانت 2.2 للنموذج 5،وبينت نتائج تقدير الحموضة الكلية اعلى مقدار للحموضة كان 22.8 ملئ مكافئ كغم للنموذج 9 ،وعند تقدير فعالية انزيم الدايستيز لوحظ تباين واضح في قيم الفعالية ،كما بينت النتائج المستحصل عليها من تقدير السكريات اذ ظهر تفاوت في مجموع سكري السكروز والكلوكوز اذ سجلت اعلى قيمة 73.9%للنموذج 11 بينما سجلت اقل قيمة لمجموع السكريات 64.3% للنموذج 9 ،وتباينت قيم الهيدروكسي مثيل فورفورال للنماذج اذ اعطى اعلى قيمة للنموذج 2 وبلغت 38.9 ملغم غم وبلغت اقل قيمة للنموذج 9 بلغت 22. 4ملغم غم ،اما نتائج الكشف عن انزيم الكلكوز اوكسيديز فقد اظهرت النتائج اختلاف واضح في فعالية الانزيم وبلغت 0.99 مايكرومول مول دقيقة وهي اعلى فعالية للانزيم في النموذج 11 وكانت اقل فعالية للانزيم في نموذج 2 وبلغت 0.22 مايكرومول مول دقيقة نلاحظ من النتائج تطابق نسب الرطوبة لكل النماذج مع المواصفة العراقية والتي نصت على ان لاتزيد نسبة الرطوبة في نماذج العسل عن 21% . وتظهر النتائج مطابقة معظم النماذج المحلية للمواصفة العراقية الموضوعة للرماد والتي لاتزيد نسبتها عن 0.3% اما نموذج 11و10وهي نماذج العسل المستورد نلاحظ تجاوز نسبة الرماد فيها عن الحد المسموح به في المواصفة العراقية . واظهرت نتائج الدراسة توافق نسبة الحموضة الكلية لجميع النماذج مع المواصفة العراقية ، وكانت نتائج تقدير السكريات الكلية ضمن حدود المواصفات العراقية وهيئة دستور الاغذية،
Peat-Based Organo-Mineral Fertilizer Improves Nitrogen Use Efficiency, Soil Quality, and Yield of Baby Corn (Zea mays L.)

The application of organo-mineral fertilizers (OMFs) is gaining popularity day by day because of their potential effect on crop productivity and soil fertility enhancement. Therefore, this research was conducted to observe the effect of a peat soil–urea (PSU) fertilizer on baby corn yield, quality, nitrogen (N) use efficiency, and soil quality compared with commercial urea. A completely randomized design (CRD) with four replicates was used to set up the experiment. In this trial, N was applied from three sources, viz., urea, PSU-L (low N = 15%), and PSU-H (high N = 25%) at a rate of 50, 75, and 100% of the recommended N application dose. The growth, yield, quality, and N use efficiency of baby corn were significantly impacted by the application of PSU fertilizer to the soil. Substantially higher leaf chlorophyll, cob vitamin C, and protein content were found in PSU-treated plants compared with commercial urea. The application of PSU produced about 21% higher cob and a 14% fodder yield over commercial urea. On average, the N uptake by baby corn was 22% higher in PSU-treated plants than urea-treated plants, resulting in 24 and 33% higher N use efficiency and fertilizer N use efficiency, respectively, in PSU than commercial urea. Therefore, the N application rate could be reduced by around 30% using PSU as an alternate N source compared with using commercial urea. In addition, the application of PSU to soil substantially increased the soil organic carbon (SOC) content, whereas SOC decreased in urea-treated soil.
Family Supports Between Older Parents and Adult Children in Thailand

The main purpose of the paper was to investigate the manifest family solidarity of older persons in Thailand and to analyze the typology of support between older parents and their adult children using the Latent Class Analysis (LCA). The data from Wave 2 (2017) of the longitudinal panel household survey on Health, Aging, and Retirement in Thailand (HART) were employed for the cross-section analysis. Results: Three aspects of solidarity revealed that when parents were advanced in age, the solidarity in each aspect or the interrelationship with adult children would tend to increase, in terms of co-residence with children, frequency in contact with children, or the role of sole “ recipients ” of resource assistance from children. The solidarity indicators had a higher share with the oldest-old parents compared with the young-old and the mid-old parents. The analysis of LCA revealed the four types of support between older parents and adult children in Thailand were “ Detached ” “ Sociable” “Tight knit ” and “ Normative . ” Overall, filial gratitude towards parents still existed in the Thai society. But behavior might change from the old pattern of children’s assistance and support both in cash and in kind to parents to at least in regular contact with parents or to parents exchanged assistance in kind. This changing behavior reflected the adaptation to the changing society, while familial support to older persons tended to become long-term care. As older persons might relate to many generations of family members, closing the gap between generations should be a policy suggestion.
Generate Better Hypertrophic Cardiomyopathy Model Using Induced Pluripotent Stem Cells and Crispr/Cas9

Hypertrophic cardiomyopathy (HCM) has been a heart disease causing the most sudden cardiac death among young people in US, and this problem still remains unsolved. In this paper, we will reintroduce HCM and discuss the methods that could be used to treat it. Many other studies, involving animal models; Induced pluripotent stem cells (iPSCs); CRISPR/Cas9, would also be mentioned to understand the disease better. Many techniques are useful in curing HCM. One of the helpful mechanisms would be iPSCs, which helps reprogramming a patient's somatic cells, differentiating them into cells needed for the study. Due to different background issues, CRISPR/Cas 9 would then be added to generate isogenic iPSCs. Combining both mechanisms would help in comparing patient's HCM iPSCs and control iPSCs, which provides us more information about pathogenic background of HCM and further assists in the process of curing HCM.
McKean’s Method applied to American Call Options on Jump-Diffusion Processes

In this paper we derive the implicit integral equation for the price of an American call option in the case where the underlying asset follows a jump-diffusion process. We extend McKean's incomplete Fourier transform approach to solve the free boundary problem under Merton's framework, with the distribution for the jump size remaining unspecified. We show how our results are consistent with those of Gukhal (2001), who derived the same integral equation using the Geske-Johnson discretisation approach. The paper also derives some results concerning the limit for the free boundary at expiry, and presents an iterative numerical algorithm for solving the linked integral equation system for the American call's price and early exercise boundary. This scheme is applied to Merton's jump-diffusion model, where the jumps are log-normally distributed. (This abstract was borrowed from another version of this item.)
Application of a Discretized Phase-Space Approach to the Analysis of Monte Carlo Uncertainties

In the study of Monte Carlo statistical uncertainties for iterated-fission-source calculations, an important distinction is made between the real and the apparent variances. The former is the actual variance of a Monte Carlo calculation result, while the latter is an estimate of the former obtained using the results of the fission generations in the formula for uncorrelated random variates. For years it has been known that the apparent variance is a biased estimate of the real variance, and the reason for the bias has been understood. More recently, several authors have noted various interesting phenomena regarding the apparent and the real variances and the relationships among them. Some of these are an increase in the apparent variance near surfaces with reflecting boundary conditions, a nonuniform spatial distribution of the ratio of the apparent-to-real variance, the dependence of this ratio on the size of the region over which the result is tallied, and a rate of convergence of the real variance that is less than the inverse of the number of neutron histories run. This paper discusses a theoretical description of the Monte Carlo process using a discretized phase-space and then uses it to explain the causes of these phenomena.
Modeling the biomechanics of the human cornea accounting for local variations of the collagen fibril architecture

We present a finite element model of the human cornea describing the in‐plane organization of the stromal collagen, modified variously to include features of the collagen architecture. We investigate numerically the implication of the local organization of collagen in the stroma on the response of the human cornea to mechanical tests. We compare four different models by simulating three ideal mechanical tests, i. e. , the ex‐vivo inflation test, the in‐vivo probe indentation, and the in‐vivo air puff tests. Numerical results show slight differences between the models in terms of global response and stress distribution. Differences in the overall mechanical response are observed in dynamic tests, while quasi‐static tests are not able to differentiate between the models. Stress distributions differ markedly when a variation of the shear stiffness across the thickness is considered. We conclude that the actual architecture of the collagen across the thickness of the cornea or at the limbus has a minor relevance from the mechanical point of view with respect to the main anisotropic orthogonal collagen structure that has been considered and acknowledged in the literature.
Utilization of Seismic Data as a Tsunami Vulnerability Review

This study aimed to analyze seismic data, which is then made into an infographic to map the level of tsunami hazard in the Sikka District. The research was carried out in Sikka District, East Nusa Tenggara, located between 121°55'40''-122°41'30'' east longitude and 08°22'-08°50' south latitude. The data source comes from the IRIS Earthquake Browser, and the analysis stage was carried out in two phases. The first analysis used seismic data analysis, and EQ Energy used IRIS (Incorporated Research Institutions for Seismology) data. Meanwhile, the second analysis maps the tsunami risk by determining the tsunami hazard in areas with the potential for a tsunami. Based on the analysis of seismicity data showed that Sikka District has the potential for an earthquake accompanied by a tsunami. In contrast, the results of the EQ Energy analysis caused by the December 14, 2021 earthquake were known as the value of Ehf = 6.46 × 1014 J and EBB = 5.48 × 1015 J. The analysis of the level of tsunami susceptibility based on the tsunami run-up height in Sikka District showed that the northern coastal area of ​​Flores had various potentials, where the highest vulnerability level was in the Alok subdistrict and parts of Talibura. Meanwhile, the area with the lowest potential was the Kewapante subdistrict.
Semidiscrete Integrable Systems Inspired by the Davydov-Kyslukha Model

Intending to mimicry certain physical features of the Davydov–Kyslukha exciton-phonon system, we have suggested four distinct combinations of ans¨atze for matrix-valued Lax operators capable to generate a number of semidiscrete integrable nonlinear systems in the framework of the zero-curvature approach. the realistic physical conserved densities associated with the possible infinite hierarchies of local in excitons coupled with the subsystem of essentially nontrivial vibrations. We also have revealed the integrable system of two self-trapping subsystems coupled together by means of a mutually induced non-linearity. At last, we have obtained the integrable system, where the Toda-like subsystem and the self-trapping subsystem are coupled akin to a charged particle with an electromagnetic field. In so doing, the vector-potential part of the Hamiltonian function is appeared as the density of excitations in the self-trapping subsystem. Each of the proposed systems admits the clear Hamiltonian representation characterized by the two pairs of canonical field variables with the standard (undeformed) Poisson structure. Several general local conserved densities having been found in the framework of a generalized direct procedure are presented explicitly. These conserved densities are readily adaptable to any integrable system under consideration.
Kinematically exact elastoplastic analysis of steelo rods with compact cross sections.

In this work, we present the formulation and implementation of two elastoplastic constitutive equations for kinematically exact thin-walled rod models. The first uses the fact that first order strains due to cross sectional shear stresses and warping are considered to formulate a small strains three-dimensional elastoplastic constitutive model. Given the kinematical hypothesis of non-deformability of the cross section in the projection of its plane, we may also assume that plastic deformations may occur due only to the cross sectional normal stresses, thereby allowing us to formulate a second, simple one-dimensional framework. Our approach adopts a standard additive decomposition of the strains together with a linear elastic relation for the elastic part of the deformation. Both ideal plasticity and plasticity with (linear) isotropic hardening are considered. The models have a computational implementation within a finite element thin-walled rod model and, following the kinematics adopted, we implement this equation on models with consideration of the warping of the cross sections, having 7 degrees of freedom. The formulation and implementation presented is validated by the analysis of problems known in the literature and comparison of the results. We believe that simple elastoplastic models combined with robust thin-walled rod finite element may be a useful tool for the analysis of thin-walled rod structures, such as, e.g., steel structures.
Students’ enjoyment and anxiety in reminiscing about mind-mapping use in the English writing class

The present study examines students’ foreign language enjoyment and anxiety when reminiscing about the mind-mapping app in the English writing class. This research uses sequential explanatory mixed method to cover quantitative and qualitative elements of students’ emotions in foreign language writing. Foreign language enjoyment (FLE) and foreign language classroom anxiety (FLCA) questionnaires were distributed to 122 students at two universities in Indonesia, followed by interviewing some representative students. The findings revealed that students enjoyed the use of the mind-mapping app because they thought that they were free to design their own version of mind-mapping with interesting shapes and colours. However, indications of worrying about the mind mapping they made came from fear of being embarrassed in front of their friends. Additionally, the essence of competition also drove the students to be worried in the writing class. It made them feel that other friends had better mind maps. Second, even though having a group discussion in the writing class was interesting for the students, the fear of friends stealing ideas was detected. There was also an indication that the students were concerned about their achievement in writing class. It implies that teachers need to reminisce students’ ideas and not give negative comments in front of the class to avoid increasing students’ anxiety, but build up enjoyment instead to boost their devotion to the writing class.