Miracle-dz/UniFAR-FTUs huggingface dataset:
Analysis and Simulation of LoRaWAN LR-FHSS for Direct-to-Satellite Scenario

Long Range-Frequency Hopping Spread Spectrum (LR-FHSS) has been recently introduced into the LoRaWAN protocol specification to increase network capacity and collision robustness, and enable direct connectivity between machine devices and the Low Earth Orbit (LEO) satellites. In this letter, we first construct the analytical and simulation models for packet delivery over LR-FHSS from ground nodes to a LEO satellite, and then use the developed analytic and simulation models to generate the numerical results. Our results reveal the potential feasibility of large-scale networks, demonstrate some trade-offs between the two new LR-FHSS-based data rates for the EU region, and reveal the key reasons for packet losses.
Modelling the performance of flexible manufacturing systems

An open-queueing network model with general service times and limited local buffers is developed to evaluate the performance of the flexible manufacturing system (FMS). The model accommodates two major characteristics of the FMS, namely, improving machine utilization and reducing work-in-process storage. A ‘flow equivalent’ decomposition approach is developed to derive approximate solutions to the model. Numerical examples are studied to illustrate the accuracy of the approximations.
Epidemiology and Outcome of Sepsis in Adults and Children in a Rural, Sub-Sahara African Setting

Supplemental Digital Content is available in the text. OBJECTIVES: To identify the epidemiology and outcome of adults and children with and without sepsis in a rural sub-Sahara African setting. DESIGN: A priori planned substudy of a prospective, before-and-after trial. SETTING: Rural, sub-Sahara African hospital. PATIENTS: One-thousand four-hundred twelve patients (adults, n = 491; children, n = 921) who were admitted to hospital because of an acute infection. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Demographic, clinical, laboratory data, danger signs, and the presence of sepsis (defined as a quick Sequential Organ Failure Assessment score count ≥ 2) at admission were extracted. Sepsis was observed in 69 adults (14.1%) and 248 children (26.9%). Sepsis patients differed from subjects without sepsis in several demographic and clinical aspects. Malaria was the most frequent type of infection in adults (66.7%) and children (63.7%) with sepsis, followed by suspected bacterial and parasitic infections other than malaria. Adults with sepsis more frequently developed respiratory failure (8.7% vs 2.1%; p = 0.01), had a higher in-hospital mortality (17.4% vs 8.3%; p < 0.001), were less often discharged home (81.2% vs 92.2%; p = 0.007), and had higher median (interquartile range) costs of care (30,300 [19,400–49,900] vs 42,500 Rwandan Francs [27,000–64,400 Rwandan Francs]; p = 0.004) than adults without sepsis. Children with sepsis were less frequently discharged home than children without sepsis (93.1% vs 96.4%; p = 0.046). Malaria and respiratory tract infections claimed the highest absolute numbers of lives. The duration of symptoms before hospital admission did not differ between survivors and nonsurvivors in adults (72 [24–168] vs 96 hr [72–168 hr]; p = 0.27) or children (48 [24–72] vs 36 [24–108 hr]; p = 0.8). Respiratory failure and coma were the most common causes of in-hospital death. CONCLUSIONS: In addition to suspected bacterial, viral, and fungal infections, malaria and other parasitic infections are common and important causes of sepsis in adults and children admitted to a rural hospital in sub-Sahara Africa. The in-hospital mortality associated with sepsis is substantial, primarily in adults.
Safety and efficacy of platelet rich plasma in the management of diabetic foot ulcer

Background: Diabetic foot ulcers continue to pose a significant global issue despite the advances made in the management of diabetes. It causes major foot complications if they are not addressed properly. While several advancements have taken place in wound care management, platelet-rich plasma (PRP) promises to offer new hope in its management, aiding in cellular and tissue regeneration. Hence the present study was carried out to determine the safety and effectiveness of PRP in the management of diabetic foot ulcers in comparison to conventional dressing.Methods: This prospective study was focused on 50 diabetic foot ulcers, carried out in a surgical unit of Onsite Hospital, Chennai, Tamil Nadu from November 2018 to November 2019. Patients were divided into two groups group A received conventional ordinary dressing (n=25, 50%) and group B received PRP dressing (n=25, 50%). The mean follow up period was 6 weeks.Results: The present study observed that participants receiving PRP showed better wound contraction of 33.74% than the group receiving only conventional treatment with a mean wound contraction of was 12.82%. In addition, the duration required for wound contraction in the PRP group was short (mean value 4.488 cm) compared to the conventional dressing group (mean value 6.188 cm). The PRP group was found to be more effective in wound healing with fewer complications, less infection, exudates and pain.Conclusions: PRP is a powerful tool for the treatment of chronic wounds and very promising for diabetic foot wounds and it enables healing and reduces amputation rates, infection and exudates.
Competitiveness of healthcare institutions of regional clusters in the global crises era of COVID-19

Background of the study: In the current situation of the global COVID-19 pandemic the role of a strong medical cluster operating in a specific territory in a specific region or even in a country is incredibly increasing. A strong regional medical cluster in these conditions determines the level of health of the population, the ability to cope with the serious challenges of the pandemic and minimize its negative consequences, both the health of citizens and the economy of the region. Purpose of the article: The purpose of this paper is to determine the factors that have the strongest impact on the competitiveness of medical organizations in the region in the new conditions of a pandemic and its consequences, as well as to identify promising mechanisms for its assessment and ranking. Methods: In this work, methods of statistical, strategic and matrix analysis are used, on the basis of which the factors of competitiveness of healthcare organizations in the region can be determined and ranked, which makes it possible, by ranking, to identify the most significant of them during the COVID-19 pandemic and its consequences. Findings & Value added: The results of this study made it possible to test new mechanisms for assessing the competitiveness of healthcare institutions in the new conditions of a pandemic and to study the influence of the most significant factors of competitiveness on the regional and global competitiveness of the region in the conditions of COVID-19.
University of Birmingham A framework for the consideration of the effects of crosswinds on trains

High winds have a number of different effects on the design and operation of trains, the most important being the need to design trains that will not blow over in high winds. The current European design methodology is contained within a draft CEN code of practice (CEN 2009). In this paper the author will argue that there are inconsistencies and inadequacies in the approach adopted in that document, particularly in the levels of complexity of the different components and in the uncertainties that are involved. This leads to a proposal for a revised methodology that is more consistent in terms of the complexity of its components and can be used for train authorisation and route risk analysis. In particular the paper addresses the following issues.
Additive Manufacturing of Carbon Fiber Reinforced Plastic Composites: The Effect of Fiber Content on Compressive Properties

The additive manufacturing (AM) of carbon fiber reinforced plastic (CFRP) composites continue to grow due to the attractive strength-to-weight and modulus-to-weight ratios afforded by the composites combined with the ease of processibility achievable through the AM technique. Short fiber design factors such as fiber content effects have been shown to play determinant roles in the mechanical performance of AM fabricated CFRP composites. However, this has only been investigated for tensile and flexural properties, with no investigations to date on compressive properties effects of fiber content. This study examined the axial and transverse compressive properties of AM fabricated CFRP composites by testing CF-ABS with fiber contents from 0%, 10%, 20%, and 30% for samples printed in the axial and transverse build orientations, and for axial tensile in comparison to the axial compression properties. The results were that increasing carbon fiber content for the short-fiber thermoplastic CFRP composites slightly reduced compressive strength and modulus. However, it increased ductility and toughness. The 20% carbon fiber content provided the overall content with the most decent compressive properties for the 0–30% content studied. The AM fabricated composite demonstrates a generally higher compressive property than tensile property because of the higher plastic deformation ability which characterizes compression loaded parts, which were observed from the different failure modes.
'FROG, WHERE ARE YOU?': A STUDY ON BAHASA INDONESIA INTERFERENCE IN JAVANESE CHILDREN’S SPEECH

The coexistence of Bahasa Indonesia and Javanese has become an issue in the Javanese language preservation. Such strong contact is finally resulting in bilingual individuals in which language interference often occur. In this study, however, is aiming at describing how and why Bahasa Indonesia is interfering Javanese in Javanese children speech. By using task-based approach by Grosjean, this study manipulated language production in Javanese children using wordless narrative book Frog, Where Are You? created by Mercer Mayer. The results show that Bahasa Indonesia is interfering Javanese in phonic, morphological, syntactic, lexical, and even semantic aspects. Nevertheless, lexical level interference is the most noticeable interference since both language share quite similar structure. It is believed that, in sociolinguistics perspective, Bahasa Indonesia has gradually shift Javanese gradually. It is also seen that Javanese children with strong exposure of Bahasa Indonesia are eventually perceive more Bahasa Indonesia structure than Javanese.
Personality trait and subjective work experience fit (P-SWE fit) as an explanation for voluntary turnover

ABSTRACT The aim of the present study was to show that examining the interactions between personality traits and subjective work experience (SWE) can be an interesting approach to understanding turnover. During the months following their enlistment, 186 resigning and 77 nonresigning military personnel were questioned about six SWE dimensions. During the recruitment process, they had undergone a Big Five personality test. Logistic regression analyses were conducted to study the effects of personality and SWE on turnover. Binomial generalized linear models enabled us to identify interaction effects between personality traits and SWE. These showed that open individuals who feel a high level of specialty satisfaction are less likely to quit. Similarly, individuals with high levels of neuroticism or conscientiousness are more inclined to resign if the environment is perceived to be stressful. The same applies to agreeable individuals who have negative perceptions of their interpersonal relationships. This study highlights the complexity of voluntary turnover and the need to investigate the transactions between personality and contextual characteristics with nonlinear models.
Food Security among Libyan Migrants Living in Australia: A Qualitative Study

Food security among migrants and refugees is a concern across the globe, with the dearth of evidence on food labels and their influence on food security affecting disadvantaged communities especially. This paper discusses the experiences of food security among Libyan migrant families in Australia. The study is situated within the food and nutrition security framework. A qualitative approach was adopted with in-depth interviews conducted with 27 Libyan migrants. Thematic analysis identified three themes: food security, food label comprehension, and strategies for dealing with food insecurity and food labelling difficulties. Food security had different meanings to different individuals. Access to culturally appropriate (halal) foods was problematic for families in regional and rural areas due to a lack of availability outside the main cities. In terms of food labelling, the language and terms used were a common issue for most families in both rural and city environments. Many families attempted to find ways to counteract food insecurity; however, lower-income families found this more burdensome. It is crucial that health and social welfare providers consider means to reduce food insecurity among Libyan migrants to allow them to live a healthier life in Australia.
Online Chemical Characterization and Sources of Submicron Aerosol in the Major Mediterranean Port City of Piraeus, Greece

Port cities are affected by a wide array of emissions, including those from the shipping, road transport, and residential sectors; therefore, the characterization and apportionment of such sources in a high temporal resolution is crucial. This study presents measurements of fine aerosol chemical composition in Piraeus, one of the largest European ports, during two monthly periods (winter vs. summer) in 2018–2019, using online instrumentation (Aerosol Chemical Speciation Monitor—ACSM, 7-λ aethalometer). PMF source apportionment was performed on the ACSM mass spectra to quantify organic aerosol (OA) components, while equivalent black carbon (BC) was decomposed to its fossil fuel combustion and biomass burning (BB) fractions. The combined traffic, shipping and, especially, residential emissions led to considerably elevated submicron aerosol levels (22.8 μg m−3) in winter, which frequently became episodic late at night under stagnant conditions. Carbonaceous compounds comprised the major portion of this submicron aerosol in winter, with mean OA and BC contributions of 61% (13.9 μg m−3) and 16% (3.7 μg m−3), respectively. The contribution of BB to BC concentrations was considerable and spatially uniform. OA related to BB emissions (fresh and processed) and hydrocarbon-like OA (from vehicular traffic and port-related fossil fuel emissions including shipping) accounted for 37% and 30% of OA, respectively. In summer, the average PM1 concentration was significantly lower (14.8 μg m−3) and less variable, especially for the components associated with secondary aerosols (such as OA and sulfate). The effect of the port sector was evident in summer and maintained BC concentrations at high levels (2.8 μg m−3), despite the absence of BB and improved atmospheric dispersion. Oxygenated components yielded over 70% of OA in summer, with the more oxidized secondary component of regional origin being dominant (41%) despite the intensity of local sources, in the Piraeus environment. In general, with respect to local sources that can be the target of mitigation policies, this work highlights the importance of port-related activities but also reveals the extensive wintertime impact of residential wood burning. While a separation of the BB source is feasible, more research is needed on how to disentangle the short-term effects of different fossil-fuel combustion sources.
Reduced thermal strain in flip chip assembly on organic substrate using low CTE anisotropic conductive film

Flip chip assembly directly on organic boards offers miniaturization of package size as well as reduction in interconnection distances, resulting in a high performance and cost-competitive packaging method. This paper describes the usefulness of low cost flip-chip assembly using electroless Ni/Au bump and anisotropic conductive films on organic boards such as FR-4. As bumps for flip chip, electroless Ni/Au plating was performed as a low cost bumping method. Effect of annealing on Ni bump characteristics informed that the formation of crystalline nickel with Ni/sub 3/P precipitation above 300/spl deg/C causes an increase of hardness and an increase of the intrinsic stress. As interconnection material, modified ACFs composed of nickel conductive fillers for conductive fillers, and nonconductive fillers for modification of film properties, such as coefficient of thermal expansion (CTE), were formulated for improved electrical and mechanical properties of ACF interconnection. Three ACF materials with different CTE values were prepared and bonded between Si chips and FR-4 boards for the thermal strain measurement using moire interferometry. The thermal strain of the ACF interconnection layer, induced by temperature excursion of 80/spl deg/C, was decreased according to the decreasing CTEs of ACF materials. This result indicates that the thermal fatigue life of ACF flip chip assembly on organic boards, limited by the thermal expansion mismatch between the chip and the board, could be increased by low CTE ACF.
Recognizing Full-Body Exercise Execution Errors Using the Teslasuit

Regular physical exercise is essential for overall health; however, it is also crucial to mitigate the probability of injuries due to incorrect exercise executions. Existing health or fitness applications often neglect accurate full-body motion recognition and focus on a single body part. Furthermore, they often detect only specific errors or provide feedback first after the execution. This lack raises the necessity for the automated detection of full-body execution errors in real-time to assist users in correcting motor skills. To address this challenge, we propose a method for movement assessment using a full-body haptic motion capture suit. We train probabilistic movement models using the data of 10 inertial sensors to detect exercise execution errors. Additionally, we provide haptic feedback, employing transcutaneous electrical nerve stimulation immediately, as soon as an error occurs, to correct the movements. The results based on a dataset collected from 15 subjects show that our approach can detect severe movement execution errors directly during the workout and provide haptic feedback at respective body locations. These results suggest that a haptic full-body motion capture suit, such as the Teslasuit, is promising for movement assessment and can give appropriate haptic feedback to the users so that they can improve their movements.
Aroylhydrazone Diorganotin Complexes Causes DNA Damage and Apoptotic Cell Death: From Chemical Synthesis to Biochemical Effects

Under microwave irradiation, eighteen new aroylhydrazone diorganotin complexes (1a–9b) were produced through the reaction of aroylhydrazine, 2-ketobutyric acid, and the corresponding diorganotin. Fourier transform infrared spectroscopy, 1H, 13C, and 119Sn nuclear magnetic resonance spectroscopies, high-resolution mass spectroscopy, X-ray crystallography, and thermogravimetric analysis (TGA) were performed to characterize the complexes. The in vitro anticancer activity for complexes were assessed using a CCK-8 assay on human cancer cells of HepG2, NCI-H460, and MCF-7. Complex 4b revealed more intensive anticancer activity against MCF-7 cells than the other complexes and cisplatin. Flow cytometry analysis and transmission electron microscope observation demonstrated that complex 4b mediated cell apoptosis of MCF-7 cells and arrested cell cycle in S phase. Western blotting analysis showed that 4b induced DNA damage in MCF-7 cells and led to apoptosis by the ATM-CHK2-p53 pathway. The single cell gel electrophoreses assay results showed that 4b induced DNA damage. The DNA binding activity of 4b was studied by UV–Visible absorption spectrometry, fluorescence competitive, viscosity measurements, gel electrophoresis, and molecular docking, and the results show that 4b can be well embedded in the groove and cleave DNA.
NDT_A_336939 3705..3714

1School of Stomatology, Nanjing Medical University, Nanjing, 210029, People’s Republic of China; 2Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, People’s Republic of China; 3Department of Neurosurgery, The First Affiliated Hospital of Suzhou University, Suzhou, 215000, People’s Republic of China Introduction: The relationship between the risk of Parkinson disease and well-water consumption has been extensively studied, but the results have been contradictory. Therefore, we conducted a meta-analysis of observational studies to systematically assess the relationship between well-water consumption and Parkinson disease risk. Methods: We followed the PRISMA checklist in completing the meta-analysis. We searched two electronic databases (PubMed, EBSCO, EMBASE and Cochrane) from establishment to October, 2021, to identify relevant studies linking well-water drinking to Parkinson risk. We used a random-effects model to calculate the overall odds ratio (OR) with 95% confidence interval (CI). To reduce intragroup heterogeneity, we conducted subgroup analyses according to the research design and geographic area. Results: After careful review, a total of 15 case–control-designed studies included data suitable for our meta-analysis. The total number of cases and total controls that contribute to the combined OR were 2182 and 2456. The combined OR for ever well-water drinkers versus non-drinkers was 1.16 (95% CI: 0.97–1.39, I = 44.52%). In subgroup analysis by geographic area, a significant association was observed in studies conducted in Asia (OR 1.29, 95% CI: 1.05–1.58, I = 0.0%, p for heterogeneity = 0.460) but not in studies conducted in America (OR 0.97, 95% CI: 0.76–1.24, I = 41.2%, p for heterogeneity = 0.164). In subgroup analysis by study design, a borderline significant association emerged in hospital-based case–control studies (OR 1.31, 95% CI: 1.04– 1.65, I = 40.9%, p for heterogeneity = 0.118) but not in population-based case–control studies (OR 0.96, 95% CI: 0.73–1.26, I = 41.1%, p for heterogeneity = 0.165). Discussion: Our results indicate that there is no significant correlation between well-water consumption and PD risk.
THE USE OF INFORMATION AND COMMUNICATION TECHNOLOGIES AMONG DISTANCE LEARNING STUDENTS OF THE UNIVERSITY OF IBADAN, NIGERIA

The last decade has witnessed rapid growth in the introduction of information and communication technologies (ICTs) in distance learning. The Distance Learning Centre (DLC) of University of Ibadan, Nigeria has also improved its mode of service delivery in line with the global trend by including e-learning and e-materials. The Centre has embraced the use of various ICTs platforms in the form of Internet and other electronic materials in the delivery of most of its services to the students. This study therefore evaluates the preference, level of adoption and usage of these ICTs by the students. Simple random sampling technique was employed for administration of 100 copies of structured questionnaire to the students. The use of Internet ranked topmost among the ICTs platforms used by the students, although majority of the students are still faced with the challenge of inaccessibility and visit commercial cyber cafes to access Internet for their studies. About 47.9 percent of the students preferred hard copies of DLC course materials and 58.5 percent strongly disagree with the use of CD as DLC reading materials. Majority of the students also preferred to visit DLC office rather than obtaining information on its website. DLC therefore needs to embark on more awareness creation on the need for ICTs usage and strategy to increase adoption by its students. Keywords: Distance Learning, ICT, Electronic materials, Internet, Technology adoption