Miracle-dz/UniFAR-FTUs huggingface dataset:
Potential vorticity in the stratosphere derived using data from satellites

Maps of Ertel's potential vorticity, Q, are computed on an isentropic surface in the middle of the stratosphere. They are derived using data from stratospheric sounding units on board NOAA satellites. the reliability of the maps is demonstrated mainly by conservation of Q that is shown in successive analyses, and by the close agreement obtained using independent data from two satellites. The maps are used to follow the movement of material during the course of strong disturbances which occurred in December 1981. They clearly show the breaking of planetary waves in the stratosphere, an inherently nonlinear process. the effect of wave breaking on the structure of the westerly vortex is considered. Any mixing of Q on isentropic surfaces during wave breaking is shown to be far from complete in the examples studied. The behaviour of diagnostics based on zonal averaging, such as the Eliassen-Palm flux, is accounted for by local changes in the distribution of Q. the implications of our findings for the study of stratospheric dynamics are discussed.
Carrier-envelope phase stable, few-optical-cycle pulses tunable from visible to near IR

We report on the generation of few-optical-cycle pulses broadly tunable in the visible and near infrared with passively stabilized carrier-envelope phase (CEP). The system starts with an infrared optical parametric amplifier in which both pump and seed are derived from an amplified, non-CEP-stabilized Ti:sapphire laser. The passively stabilized idler beam is then spectrally broadened through white-light generation and used to seed a broadband optical parametric amplifier (OPA). Several amplification schemes can be used, including blue-pumped noncollinear OPA and blue-pumped or red-pumped OPA working around degeneracy, allowing for the production of few-optical-cycle light pulses tunable from 500 to 1600 nm. The OPA preserves the CEP stability of the seed.
Religion, spirituality, faith and public administration: A literature review and outlook

This article originates from the consideration that religion, spirituality and faith affect public administration, its configuration and its workings. Religion, spirituality, and faith are important explanatory factors and part of explanatory frameworks for several fields of inquiry in the field of public administration. Specifically, no literature review has been conducted so far about what has been written on the relationship between religion, spirituality and faith, and public administration. This study aims to fill this gap through a literature review of scholarly publications between 1960-2020. On this basis, the article identifies themes of research at the micro-, meso- and macro-level (that is, the level of individuals/people, organizations, and administrative systems respectively) about the manifold relations between religion and public administration.
Seismic sources and waves using iterative operator splitting methods

In this paper, we discuss iterative operator‐splitting methods for wave equations motivated from a realistic problem in seismic sources and waves. The operator splitting methods are well‐known to solve such complicated multi‐dimensional and multi‐physical problems, while decomposing into simpler and computable equations. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Therapeutic Effects of Intralesional Bleomycin Sclerotherapy for Non-Invasive Management of Low Flow Vascular Malformations - A Prospective Clinical Study

Introduction: Bleomycin, a cytotoxic and antitumour drug, is safe and effective in the management of vascular anomalies prevalent in the head and neck region. The aim of our study was to evaluate the effect of intralesional bleomycin injection in vascular malformations (VMs), especially venous and lymphatic malformations present extracranially on the face, lips and intraorally. Subjects and Methods: This prospective clinical study was conducted in the Department of Oral and Maxillofacial Surgery, Government Dental College, Srinagar. The study included 30 patients with low-flow VMs (LFVMs) wherein the effectiveness of intralesional bleomycin sclerotherapy was evaluated. The recorded data was compiled and continuous variables were expressed as mean ± standard deviation and categorical variables were summarised as frequency and percentages. Results: Complete resolution (cure) was observed in 11 patients (36.66%), marked improvement in 17 patients (56.66%) and mild improvement in two patients (6.66%). Local complications were superficial ulcerations in 14 patients (46.66%) and hyperpigmentation in one patient (3.33%). Systemic complications in the form of flu like symptoms, nausea or vomiting were not reported in any of the above-mentioned patients. Signs of pulmonary fibrosis and/or hypertension were also not reported in any of the above cases. Conclusion: Intralesional bleomycin injection is a potent and safe therapeutic alternative for the treatment of haemangiomas and LFVMs. Such patients can be managed on an outpatient basis without the need of any extensive surgery, expensive armamentarium and with only minor complications.
Increasing Tokopedia Customer Loyalty Through Electronic Service Quality Dimensions with Customer Trust as Intervening

Tokopedia is one of the e-commerce sites in Indonesia that is used by the public and business owners to manage their online store business easily and cheaply. This study aims to analyze the effect of electronic service quality on customer loyalty at Tokopedia with customer trust as an intervening variable. The data used in this study are primary data and secondary data. Primary data was obtained by distributing questionnaires to respondents. The number of respondents used is 230 respondents. Meanwhile, secondary data was obtained by conducting a desk study on books, journals, and articles related to the research variables. The analytical method used is a structural equation model with the help of AMOS software version 22. Based on the results of the study, it can be concluded that there is no significant effect between compensation as a dimension of electronic service quality on Tokopedia customer trust in Semarang; there is a significant influence between responsiveness as a dimension of electronic service quality on the trust of Tokopedia customers in Semarang; there is a significant influence between site operations as a dimension of electronic service quality on the trust of Tokopedia customers in Semarang; there is no significant effect between reliability as a dimension of electronic service quality on the trust of Tokopedia customers in Semarang. There is no significant effect between compensation as a dimension of electronic service quality on Tokopedia customer loyalty in Semarang; there is a significant influence between responsiveness as a dimension of electronic service quality on Tokopedia customer loyalty in Semarang; there is a significant influence between site operations as a dimension of electronic service quality on Tokopedia customer loyalty in Semarang; There is a significant influence between reliability as a dimension of electronic service quality on Tokopedia customer loyalty in Semarang. Customer trust does not meet the criteria to be said to be an intervening variable. The managerial implication of this research is that Tokopedia can pay more attention to responsiveness by providing procedures related to sellers in responding to orders from customers. Furthermore, Tokopedia can provide a time limit for a seller to respond to customer requests. Tokopedia can also improve site operations to increase customer trust and loyalty. This attention can be in the form of developing the features available on Tokopedia application and website
Pre-Service Teachers’ Perceptions of and Experiences with Classroom Physical Activity

Physical inactivity is one of the most modifiable factors linked to childhood obesity. Several Canadian provinces adopted daily physical activity (DPA) policies to promote physical activity during the school day. In Ontario, only 23% of in-service teachers meet DPA mandates. Promoting DPA implementation must occur at the pre-service level to foster self-efficacy and create long-term teaching habits. This study surveyed 155 pre-service teachers from an Ontario university to determine key perceptions and practices that should be targeted during their educational training to improve DPA fidelity. Findings revealed that over 96% of pre-service teachers viewed physical activity as beneficial for their own and their students mental and physical health, and as much as 33% received no education or training related to DPA. Pre-service teachers valued DPA more if they had opportunities to learn about and observe DPA during school placements. Pre-service teachers were more confident implementing DPA if they were more physically active, viewed themselves as more athletic, and had more positive physical education experiences. This work brings to the forefront important factors that could contribute to DPA implementation among in-service teachers and highlights target areas at the pre-service level for improved fidelity.
Comparative study of hatchability rate and egg quality between different strains of Japanese Quail (Coturnix japonica)

The objectives of this study were to determine morphology of Japanese quail strains andhatchability rate and egg quality between commercial strain which is Poultry Progress Institute(IKTA) strain and White Texas strains of Japanese Quail (Coturnix japonica) rear in Malaysia. Atotal of 300 quails were randomly picked and the breastbone length, chest girth, body weight,body length, shank length and drum length were measured for the morphology. Then, 270 eggs ofCommercial and White Texas strains were used to test the hatchability rate (n=150) and eggquality (n=120). The ratio of the parents of the quails between male and female of each type ofstrain were 1:3. The cleanliness, shape, weight, and texture of the eggshell were observed,weighed and measured. The eggs were incubated for 17 days (37.6 °C, 65% humidity). The shapeindex, egg weight, egg volume and eggshell surface were weighed and measured for the exteriortrait of eggs. For interior trait, the albumen index, Haugh units, and internal quality units (IQU)were measured. Significant findings were observed in all of the features (P<0.05), except for thewing length in morphology. For hatchability rate, there was a high significant in the percentage ofhatchability of incubated eggs, hatchability of fertile eggs and smoothness texture of the eggshell.In egg quality there was high significant in Haugh unit but low significant internal quality unit.The significant variability might be due from the genetic information that inherited from theparents. The IKTA and White strains were not the same in morphology, hatchability rate andinterior trait of eggs but same exterior trait of eggs. In conclusion, this research is important ingiving information about Japanese quail strain in Malaysia and more genetic study should be donein the future to determine good strain and increase understanding about quail strain.
No effect of nearby natural reef existence on fish assemblages at shipwrecks in the Aegean Sea

Abstract Deployment of artificial wreck reefs (AWRs) near natural reefs can influence fish assemblages on both reefs. Here, we assessed fish attitudes (abundances, biomass and species richness) according to different level complexity areas of wrecks, feeding guilds of fish and body size of fish of two identical AWRs deployed at the same depth (36.6 m) and different distances from natural reefs. Scuba divers used visual census method to sample fish communities at wrecks for two years. An average of 2346 individuals per dive belonging to 52 species were observed on wrecks combined. Both mean fish abundance and mean biomass did not differ significantly between wrecks. Mean species richness was significantly greater at 9 Eylül than Alaybey. Planktivore was the most abundant feeding guild on wrecks, and its abundance statistically differed between AWRs. The comparisons of fish assemblages at the different level complexity areas of the wrecks show differences, the highest mean abundances were recorded at the areas of low complexity of the wrecks. The results of this study show that although deploying artificial wreck reefs near to natural rocky reefs catalyses fish colonization, it does not present an exact influence on the fish communities of AWRs. We have not known yet how creating an artificial wreck reef affects fish community of natural reefs. With giving extra importance to the choice of deployment area, AWR applications may transform to win-win projects for both the marine environment and recreational users, such as divers and anglers.
Automatic Verification and Execution of Cyber Attack on IoT Devices

Internet of Things (IoT) devices are becoming a part of our daily life; from health monitors to critical infrastructure, they are used everywhere. This makes them ideal targets for malicious actors to exploit for nefarious purposes. Recent attacks like the Mirai botnet are just examples in which default credentials were used to exploit thousands of devices. This raises major concerns about IoT device security. In this work, we aimed to investigate security of IoT devices through performing automatic penetration test on IoT devices. A penetration test is a way of detecting security problems, but manually testing billions of IoT devices is infeasible. This work has therefore examined autonomous penetration testing on IoT devices. In recent studies, automated attack execution models were developed for modeling automated attacks in cyber ranges. We have (1) investigated how such models can be applied for performing autonomous IoT penetration testing. Furthermore, we have (2) investigated if some well known and severe Wi-Fi related vulnerabilities still exist in IoT devices. Through a case study, we have shown that the such models can be used to model and design autonomous penetration testing agents for IoT devices. In addition, we have demonstrated that well-known vulnerabilities are present in deployed and currently sold products used in IoT devices, and that they can be both autonomously revealed through our developed system.
The Role of Transformational Leadership in Developing Innovative Work Behaviors: The Mediating Role of Employees’ Psychological Capital

Despite growing research on the significance of transformational leadership as a key contextual factor that determines innovative behavior, recent studies have not investigated the psychological mechanisms that link transformational leadership to employees’ innovative behavior thoroughly. Thus, the main purpose of this study was to examine the mediating role the four dimensions of psychological capital—self-efficacy, hope, resilience, and optimism—play in the relationship between transformational leadership and employees’ innovative work behavior. Data from 178 Iranian agriculture experts were collected and analyzed using structural equation modeling. The results indicated that transformational leadership was related to employees’ innovative work behavior directly and positively. Furthermore, the results showed that hope and self-efficacy partially mediated the relationship. This study fills a gap in the literature by clarifying the way the dimensions of psychological capital influence transformational leadership’s positive relationship to employees’ innovative work behavior in the public sector of developing countries. The results imply that to be innovatively effective, organizations need to manage both employees’ contextual (transformational leadership) and psychological (psychological capital) resources to enhance their innovative work behavior. The theoretical and practical implications were further discussed.
Flux-Rope Coronal Mass Ejection Geometry and Its Relation to Observed Morphology

A simple parameterization of a three-dimensional flux rope is used to determine a "typical flux-rope geometry" that corresponds to observed flux-rope coronal mass ejection (CME) morphologies (average apparent angular widths) at a leading-edge height of about 5.5 R☉. The parameterized flux rope, the curved axis of which is assumed to trace out an ellipse, is described in terms of the eccentricity of the ellipse, the width (minor diameter d) of the flux rope at the apex, and the height of the apex above the solar surface 2R1. Assuming self-similar expansion, there are only two geometrical parameters to be determined: the eccentricity ϵ and the axial aspect ratio Λa ≡ 2R1/d. For each pair of geometrical parameters, an ensemble of 72 orientations is considered, with each being specified in terms of a latitude angle, a longitude angle, and a rotation about the direction of motion. The resulting ensemble of synthetic coronagraph images is used to produce statistical measures of the morphology for comparison to corresponding observational measures from St. Cyr et al. (2004). We find that a typical flux-rope CME has ϵ = 0.7 ± 0.2 and Λa = 1.1 ± 0.3.
On Viscoelastic Compliant Contact-Impact Models

We study dynamics of a mass, moving on a straight line, and impacting against the rigid wall through a deformable body, that we model as a straight rod of negligible mass. The chosen constitutive model of the viscoelastic body comprises fractional derivatives of stress and strain and the restrictions on the coefficients that follow from Clausius Duhem inequality. We show that the dynamics of the problem is governed by a single differential equation of real order The obtained equation was solved numerically. The comparison is made to the solution obtained by the Laplace transform and Posts inversion formula. The predictions of the model concerning the duration of the impact, maximal values of the impacting force and deformation as well as the restitution coefficient are determined for several values of system parameters.
CME Earthward Direction as an Important Geoeffectiveness Indicator

Frontside halo coronal mass ejections (CMEs) are generally considered as potential candidates for producing geomagnetic storms, but there was no definite way to predict whether they will hit the Earth or not. Recently Moon et al. suggested that the degree of CME asymmetries, as defined by the ratio of the shortest to the longest distances of the CME front measured from the solar center, be used as a parameter for predicting their geoeffectiveness. They called this quantity a direction parameter, D, as it suggests how much CME propagation is directed to Earth, and examined its forecasting capability using 12 fast halo CMEs. In this paper, we extend this test by using a much larger database (486 frontside halo CMEs from 1997 to 2003) and more robust statistical tools (contingency table and statistical parameters). We compared the forecast capability of this direction parameter to those of other CME parameters, such as location and speed. We found the following results: (1) The CMEs with large direction parameters (D ⩾ 0.4) are highly associated with geomagnetic storms. (2) If the direction parameter increases from 0.4 to 1.0, the geoeffective probability rises from 52% to 84%. (3) All CMEs associated with strong geomagnetic storms (Dst ⩽ − 200 nT) are found to have large direction parameters (D ⩾ 0.6). (4) CMEs causing strong geomagnetic storms (Dst ⩽ − 100 nT), in spite of their northward magnetic field, have large direction parameters (D ⩾ 0.6). (5) Forecasting capability improves when statistical parameters (e.g., “probability of detection—yes” and “critical success index”) are employed, in comparison with the forecast solely based on the location and speed of CMEs. These results indicate that the CME direction parameter can be an important indicator for forecasting CME geoeffectiveness.
Numerical study of the seismic retrofitting of masonry‐Infilled RC frames with openings using TRM

The seismic retrofitting of existing masonry‐infilled reinforced‐concrete (RC) frame buildings is one major challenge of earthquake risk mitigation. In this paper, the use of promising novel alternative composite material, namely textile reinforced mortar (TRM) for seismic retrofitting masonry‐infilled RC frames with central openings is examined numerically, to the best knowledge of the authors, for the first time ever. This is achieved by performing a parametric study on a validated 2D numerical model of a three‐story masonry‐infilled RC frame with and without TRM considering different size of central openings. This parametric study aims to examine (i) the influence of central openings on the lateral response of masonry‐infilled RC frames subjected to cyclic loading and (ii) the lateral response of the three‐story masonry‐infilled RC frame with central openings retrofitted with TRM under cyclic loading. From the results obtained in this study, it was concluded that TRM contributes to increase the lateral capacity, stiffness, and the dissipated energy of infilled frames with openings and at the same time provides a more ductile behavior by delaying the strength and the stiffness degradation of infilled frames due to openings and further by delaying or even preventing brittle failures that occur on infilled frames due to the presence of the opening. New stiffness reduction factors for infilled frames with openings, and for TRM‐retrofitted infilled frames with openings are also proposed, which can be used with an equivalent compression strut model and with a tension tie‐model as an everyday practice tool for simulating infilled frames with central openings along the diagonal of the infill wall with and without TRM. A numerical sensitivity analysis is also performed aiming to investigate the influence of (i) the TRM reinforcement ratio and (ii) the type of mortar used for binding the textile reinforcement on the lateral response of the three‐story masonry‐infilled RC frame retrofitted with TRM subjected to cyclic loading. This study showed that by increasing the reinforcement ratio, or by using high‐strength mortars for binding the textile reinforcement, the lateral capacity of infilled frames is increased leading to a more ductile behavior, but this increase is not proportional to the increase of the reinforcement ratio or to the increase of the mechanical properties of the mortar.
Modeling Solar Oscillation Power Spectra. I. Adaptive Response Function for Doppler Velocity Measurements

Improving the accuracy and resolution of helioseismic inversions calls for more accurate modeling of the observational p-mode power spectra from which the solar oscillation frequencies are traditionally measured. We present a new technique of calculating the response function (leakage matrix) for Doppler velocity measurements that is based largely on an analytical description of the relevant instrumental and physical effects. The computational efficiency of the new approach allows us to implement the response function in an adaptive manner: i.e., the compensation for instrumental or optical distortions of unknown magnitude can be performed as a part of the spectral fitting procedure.