bluuebunny/crossref_metadata_2025 huggingface dataset:
SIMPLIFIED MODELING OF V-SHAPED BRIDGE PIERS
Authors: De Backer Hans , Outtier Amelie
Published: October 2023

DDesigning a steel, V-shaped bridge pillar requires a complex and detailed finite element calculation model. The calculation can be simplified by using a simple one-dimensional beam model, but then the stress concentrations are not determined in detail. The use of a stress concentration factor, SCF, to make this possible. Before using this method, it is first verified whether both models behave correspondingly, by calculating the internal forces certain sections. Five basic load cases are used to perform this verification. Afterwards the stress concentration factors are determined for those same load cases. This method induces inconsistencies, some predictable but others unpredictable. The conclusion can however be that this simplified meth gives unreliable results. Therefore, a second method is used, where the high stresses in the curvatures of the pillar are related to the stresses in a nearby neutral section. Such a neutral section is defined as a section where the stress peaks due to the geometric effects caused by the actual geometry of the nodes of the V-shaped pilar are not present anymore. This method provides better results for the SCF; however, some issues remain, which are discuss in more detail in the paper. Finally, the impact of a varying radius of curvature on the stresses is also studied. Some clear trends are observed in this paper Overall, this paper discusses a possible simplified design method for V-shaped bridge pillars, at the same time listing the relevant design difficulties and possible pitfalls of a too simplified model.
DETERMINATION OF THE RIB-TO-CROSSBEAM STRESSES IN ORTHOTROPIC STEEL DECKS
Authors: De Backer Hans , Outtier Amelie
Published: October 2023

For long span bridges, the orthotropic steel deck (OSD) is the most popular option for the bridge deck. Normal OSDs consist out of the steel bridge deck, the longitudinal stiffeners (ribs), and the transversal beams. All of the elements are welded together. The welds create geometrical discontinuities that will result in concentrations, which lead to fatigue damage under repetitive loading. In this research, a simplified calculation method for determining the dimensions of OSDs is developed. This method shares the same notion as the Pelikan-Esslinger method, which is using an idealized orthotropic plate. Solving the idealized orthotropic plate, the internal forces of the actual OSD may be acquired. To calculate the distortional stresses, the shear deformation is treated as an independent variable and added to the simplified calculation method. The system of partial differential equations is derived through the equilibrium relationships of the substituting plate. Three rigidity coefficients are required in this method, namely the flexural rigidity coefficient, the torsional rigidity coefficient, and the shear rigidity coefficient. The former two are the same as in the Pelikan-Esslinger method. By performing a frame analysis, the formulas of the shear rigidity coefficient are achieved. Then, a simple local model is proposed for calculating the nominal distortional stress under the weld of the wall of the rib. To summarize, this research shows the possibility of optimizing the prevailing design the rib-to-crossbeam connection. The proposed fatigue life assessment method and simplified calculation method could be adopted in the future.
EXPERIMENTAL STUDY ON AXIAL STRENGTH AND PURE BENDING RESPONSE OF FWSCT-JACKETED SRC CIRCULAR COLUMNS
Authors: LEE CHUNG-SHENG , Kusuma Obed Adi , Su Ren-Kang , ASSHIDIQIE MHD. RONY
Published: October 2023

A novel composite shell system called FWSCT (FRP-wrapped steel corrugated tube) is composed of steel corrugated tube and fiber reinforced polymer (FRP). A series of experiments have been conducted to investigate the mechanical performance of FWSCT applied to steel-reinforced concrete (SRC) circular columns. This paper introduces the development of FWSCT, and the experimental programs on the FWSCT-jacketed SRC circular columns under uniaxial compression and pure bending. A total of 48 small-size FWSCT-jacketed SRC column cylinders were loaded axially, and the other five large-size circular column specimens were tested under four-point bending. Test parameters include the type of shaped steel, steel tube confinement, and the FWSCTs with various FRP layers and orientations. The experimental results were used to identify the mechanical contribution of various FWSCTs to the column strength and as the database for model development and numerical simulation for FWSCT-jacketed columns. Test results have validated the confinement effect and failure mechanism of the FWSCT applied on SRC columns.
STRESS CONCENTRATION DUE TO SHEAR LAG IN BOX GIRDER UNDER DISTRIBUTED LOAD
Authors: Yamaguchi Eiki , Kittaka Naoto
Published: October 2023

Many studies on shear lag have been conducted. In recent years, the finite element method tends to be used for the study of shear lag. The finite element method is very powerful for engineering solutions. Nevertheless, a variety of stress concentration factors are found in the literature. Which is attributable to the fact that not many researches have carefully dealt with the finite element mesh and the modeling of the load while it is known that stress concentration is sensitive to the modelings. The shear-lag effect in a stiffened box girder under uniformly distributed load is studied by the there-dimensional finite element method in the present study. To be specific, parametric study regarding the geometry of a box girder is conducted numerically. The dependency of the shear-lag effect on the mesh and the modeling of the load are treated with much care. From the numerical results, the empirical formulas for evaluating the stress concentration under uniformly distributed load in the stiffened box girder are proposed.
NONLINEAR FINITE ELEMENT ANALYSIS OF REINFORCED CONCRETE SHEAR WALLS
Authors: Tambusay Asdam , Suryanto Benny , Suprobo Priyo , Njoko Fillbert Hanselly
Published: October 2023

Advanced computational modeling for the nonlinear analysis of reinforced concrete shear walls is presented. To this end, thirteen shear walls, with height-to-width ratios of 1.0 and 2.0, were analyzed and compared with the experimental data reported by Lefas and co-workers in 1990. These ratios were carefully chosen to enable the structural assessment of shear walls with realistic geometry under monotonic horizontal loading via computer simulations. In the analysis, the nonlinear behavior of concrete was represented by fracture-plastic constitutive models, implemented in the context of smeared crack approach and crush band method. From the results presented, it is shown that the modeling approach presented in this paper is capable of predicting the full response of the walls with good accuracy. This includes the post-cracking response, failure loads and crack patterns at various stages of loading, which are useful to characterize failure process. The influence of key parameters (height-to-width ratio, axial load ratio, web reinforcement ratio) on overall response is discussed.
NUMERICAL BUCKLING BEHAVIOR OF PERFECT AND IMPERFECT STEEL CYLINDERS UNDER EXTERNAL PRESSURE
Authors: Tabish FNU , Mamaghani Iraj Hossein Pouli
Published: October 2023

The buckling capacity of steel cylindrical liquid tanks primarily depends on their geometric configuration, material properties, imperfections, the way they are stiffened, loading, and boundary conditions. The present study aimed to investigate the effect of R/t and H/R ratios and imperfections on the buckling strength of cylindrical tank specimens subjected to external pressure using the finite element technique. Twelve cylindrical tank specimens were considered with radius-to-thickness (R/t) ratios of 500 and 600, height-to-radius (H/R) ratios of 1.0 and 1.5, and imperfection depths of 4t and 8t. A linear and nonlinear buckling analysis using ANSYS workbench 2021 was conducted for all perfect and imperfect specimens to predict the critical buckling strength. The results are compared with the experimental results available in the literature and theoretical solutions. Numerical results show reasonably good agreement with experimental and theoretical results. It is found that the buckling pressure remarkably increases with the decrease of both R/t and H/R ratios; however, the effect of the R/t ratio is more dominant than the H/R ratio. Furthermore, it was observed that the geometric imperfections have little influence on the overall buckling capacity, especially for tanks with large H/R ratios and smaller R/t ratios.
A RETROFIT SOLUTION FOR UNCODED STEEL RAFTER TO CONCRETE RING BEAM CONNECTIONS
Authors: Smith Jovanca , Daniel Alden
Published: October 2023

Some building contractors in the Caribbean have been constructing non-coded steel rafter to concrete ring beam connections on low budget residential buildings. These connections may resist failure under normal loading conditions, but critical connections fail under moderate to high loads resulting in partial or full dislodgement of the roof. In this study, the performance of non-coded steel rafter to concrete ring beam designs were analyzed in a finite element program and a retrofit solution for the failed uncoded connections were designed and modeled. Nine versions of the connection were identified and consisted of several variations including mechanically anchoring the rebar to the rafter without welds, using one and two rebars, varying the rebar embedment depth and using 90 degree hooks and straight rebars. A standard, code-compliant, bolted-endplate connection was used as the control for the investigation. The connections were analyzed in “ABAQUS” with a bond slip and damage plasticity model. The maximum load resistances were compared with category 1 hurricane loads for the region. The load capacities of all the connections were found to be lower than the control connection but were still adequate for hurricane category 1 loads, with the exception of the connection in which the rebars were mechanically anchored to the rafter without welds. Connections with welds to the top flange of the rafter were less stiff, experienced larger rafter displacements, inflicted less damage on the concrete ring beam, and required less rebar embedment to prevent pull out failure than the connections to the bottom flange.
BUILDINGS AND URBAN HEAT ISLAND: A REVIEW OF PLANNING MITIGATION METHODS AND LESSONS
Authors: Almashhour Raghad , Kolo Jerry
Published: October 2023

There is a nexus between urban heat, global warming, and climate change. One viewpoint, indeed consensus, in the literature by leading climate change experts is that, for several practical reasons, cities will be the battleground for combating climate change. Using the Urban Heat Island (UHI) phenomenon as one of various measures of how cities contribute to global warming and, ultimately, climate change, it is important to analyze the various methods by which cities combat this phenomenon, and to identify lessons that cities around the world can share with, or learn from, each other. The main question addressed in this research is, what specific planning methods are documented in the empirical and conceptual literature by which cities currently monitor and manage the UHI phenomenon, thereby making cities more sustainable and livable, and mitigating their negative impacts on climate change? This exploratory and theoretical research used the desktop method to answer the research question. The outcomes of this research would highlight extant UHI mitigation methods around the world, and lessons that cities can learn and share in combating climate change.
EFFECT OF REINFORCEMENT CORROSION ON THE PUNCHING SHEAR OF RC SLABS INCORPORATING MACRO SYNTHETIC FIBERS
Authors: Altoubat Salah , Alhalabi Mohamad , Maalej Mohamed , Barakat Samer , Fattouh Ibrahim
Published: October 2023

This paper is part of an ongoing research on the effect of discrete fiber reinforcement on punching shear strength of reinforced concrete (RC) slabs subjected to accelerated corrosion regime of steel reinforcement. Results obtained from RC slabs incorporating macro synthetic fibers will be presented. Six RC slabs (1500 mm ×1500 mm ×100 mm) were prepared with a constant reinforcing steel ratio and incorporating synthetic fibers at different dosages (0.0 %, 0.5% and 0.75% by volume). The corroded set of slabs were subjected to an impressed current (IC) accelerated corrosion regime for 36 days with an applied constant current density of 500 µA/cm2. The slabs were subjected to wetting-drying cycles of 1 day wet and 2 days dry. During the wet cycle, the slabs were fully submerged in a 3.5% NaCl solution. The applied current results in a theoretical mass loss of steel by around 7%. The slabs were tested in a simply supported configuration until failure. The measured test parameters included the applied load, the slab deflection, and monitored the observed cracking. The results showed that reinforcement corrosion affected the slabs' performance in terms of strength and deflection capacities, as well as the cracking behavior. The load-deflection response showed that the addition of synthetic fibers could reduce the impact of steel corrosion on the punching shear behavior of the RC slab. Furthermore, the presence of synthetic fibers significantly limited the development of corrosion activity in the slabs by delaying corrosion-induced cracks when compared to the control slabs.
THE EFFECT OF PALM OIL WASTE ON THE PROPERTIES OF GEOPOLYMER CONCRETE: A REVIEW
Authors: Hamada Hussein , Abed Farid , Al-Sadoon Zaid
Published: October 2023

The rapid population growth has caused an increase in energy consumption and the construction of new buildings. This has raised environmental concerns, such as the depletion of raw materials and the release of significant CO2 emissions due to the widespread use of cement. Consequently, researchers and scientists have begun exploring alternative materials to improve sustainability and reduce the environmental impact of the construction industry. Geopolymer concrete (GPC) is a composite material made from various waste materials, utilizing alkali-activated silica (Al2SiO3 and Na2SiO3/NaOH). Compared to cement, GPC has lower CO2 emissions and better efficiency. This review aims to examine the potential of palm oil waste, specifically palm oil clinker (POC), oil palm shell (OPS), and palm oil fuel ash (POFA), as eco-friendly materials in sustainable GPC. The properties of palm oil waste used in GPC production are presented, and their impact on GPC properties is discussed. Results indicate that palm oil waste can positively affect GPC performance, enhancing strength and reducing CO2 emissions for a cleaner environment.
ARCTIC ARCHITECTURES: UNLEASHING ENERGY EFFICIENCY AND RESILIENCE IN EXTREME COLD REGIONS
Authors: Khaleghi Hamed , Karatas Aslihan
Published: October 2023

Severe cold regions like Alaska are grappling with the challenge of adapting to unpredictable temperature fluctuations and ensuring indoor thermal comfort for occupants as well as saving energy consumption of the building. Therefore, proactive measures are crucial to adapt buildings to withstand the damaging consequences of extreme weather conditions. This study focuses on the evaluation of dynamic thermal performance in wall assemblies using composite infill panels integrated into a framing system, featuring vacuum insulated panels (VIPs). A precast residential unit located in Alaska serves as the testing ground. A comprehensive dataset collected by the Cold Climate Housing Research Center (CCHRC) from January to April 2023 in Fairbanks, AK Leveraging, including outdoor and indoor temperature, heat flux, and relative humidity measurements is utilized. The evaluation of the wall panels' dynamic thermal performance is conducted by using two key metrics of Decrement Factor (DF) and Time Lag (TL). Additionally, the study examines the correlation between temperature fluctuations, heat flux, and relative humidity. The results reveal a direct correlation between temperature fluctuations during winter conditions and heat flux, while relative humidity demonstrates an inverse correlation. This research contributes to the development of energy-efficient and resilient buildings in Arctic regions. These insights will aid decision-makers in effectively adapting to the challenges posed by extreme weather conditions associated with climate change. Ultimately, this study paves the way for the creation of buildings that can thrive in severe cold climates while ensuring optimal energy efficiency and occupant well-being.
PROTOTYPE MONITORING SUHU DAN KELEMBAPAN PADA KUBIKEL 20 kV BERBASIS IoT
Authors: Irawati Irawati , Amien Muhamad Toriqul , Sumarno Edy , Rosyadi Furqon
Published: October 2023

Sumber daya alam saat ini yang menjadi faktor primer atau kebutuhan pokok untuk manusia salah satunya energi listrik. Salah satu komponen dari kualitas suplai listrik adalah kesehatan pada kubikel. Persoalan salah satu yang sering terjadi pada kubikel adalah korona, yaitu suatu proses yang terjadi pada saat udara di sekitar penghantar atau konduktor terionisasi. Korona akan muncuk jika suhu dan kelembapan udara di kubikel sangat tinggi. Berdasarkan pengaruh tekanan parsial udara terhadap korona maka dimungkinkan untuk menentukan apakah insiden korona terjadi atau tidak pada kubikel. Selama ini dalam pemeriksaan kubikel tersebut masih dilakukan secara manual dengan cara datang langsung ke tiap gardu. Penelitian ini merancang sistem monitoring suhu, kelembapan dan tegangan yang ada di dalam kubikel berbasis Internet of Things (IoT). Dengan menggunakan sensor DHT22 untuk mengukur suhu dan kelembapan pada kubikel 20 kV dan sensor ZMPT101B untuk megukur tegangan pada heater yang ada di dalam kubikel 20 kV. Alat ini menggunakan Arduino UNO sebagai mikrokontroller dan NodeMCU ESP8266 sebagai platform IoT. Hasil pembacaan dari sensor DHT22 dan ZMPT101B akan diproses Arduino UNO yang dikirimkan ke internet untuk ditampilkan pada Firebase dan MIT App Inventor. Dari hasil pengujian yang telah dilakukan, rata-rata suhu yang bekerja pada kubikel adalah 33,72 ᵒC, rata-rata nilai kelembapan adalah 60,82 % dan rata-rata nilai tegangan adalah 244,7 V. Itu artinya termasuk dalam kondisi yang normal, dimana batas suhu dalam kondisi normal adalah 35 ᵒC dan batas kelembapan dalam kondisi normal adalah 75%. Ketika nilai suhu dan kelembapan melebihi batas tersebut, dan tegangan hilang atau tidak ada, maka dikategorikan pada kondisi yang tidak aman dan notifikasi akan muncul pada MIT App Inventor. Dengan adanya sistem ini diharapkan dapat memudahkan petugas atau user dalam memantau tegangan heater, suhu dan kelembapan yang ada di dalam kubikel 20 kV secara online dan realtime tanpa harus datang secara langsung ke setiap kubikel.
DESAIN KONTROL NONLINIER UNTUK SISTEM HYBRID MICROGRID DENGAN SUMBER ENERGI PEMBANGKIT LISTRIK TENAGA SURYA
Authors: Suharso Panji Setyo , Agustinah Trihastuti , Priyadi Ardyono
Published: October 2023

Penelitian ini berfokus mendesain suatu sistem kontrol untuk menyelesaikan permasalahan nonlinear pada sistem suplai tenaga listrik melibatkan sumber PV (Photovoltaic) yang terhubung melalui microgrid ke sumber grid. Perubahan konsumsi beban pelanggan pada sistem suplai akan menggangu konsistensi tegangan dan frekuensi suplai. Makalah ini mengusulkan metode input-output linierization untuk desain sistem kontrol yang mampu menjaga nilai tegangan dan frekuensi pada nilai konstan. Modifikasi model nonlinear dari persamaan dinamika sistem microgrid dilakukan berdasarkan teori lie derivative, model persamaan nonlinear diturunkan sampai persamaan output mendapatkan nilai u (input control). Nilai u yang didapat dari modifikasi persamaan sistem tersebut digunakan untuk mendesain sistem kontrol, kemudian nilai u dengan menggunakan metode feedback linierization akan digunakan untuk mencari nilai gain yang sesuai namun sebelumnya dilakukan terlebih dahulu transformasi koordinat untuk mencari nilai matrix A dan B sehingga bentuk model nonlinear dapat ditransformasikan menjadi bentuk linier. Hasil modifikasi yang dilakukan menghasilkan sistem kontrol yang mampu mempertahankan suplai dengan parameter tegangan 238 V AC dan frekunsi 50 Hz (overshoot 6 %) sehingga kebutuhan daya pada sistem suplai tenaga listrik dapat terpenuhi.
Karawaka (Caravaca Cross) and Its Synonyms, or Lexical Returns
Authors: Piotrowicz-Krenc Anna , Witaszek-Samborska Małgorzata
Published: October 2023

The authors, referring to the article Words That Come Back by Bogdan Walczak from 1998, present the history of the word karawaka in Polish. It is the name of the cross with two horizontal beams protecting against various disasters, especially against epidemics. Originally, it was a reliquary from the 4th century AD with a piece of the Holy Cross Tree, brought in the 13th century during the Crusades from Jerusalem to the Spanish city of Caravaca (from which its name comes). The custom of erecting such crosses and wearing these types of small crosses disappeared in the 20th century, and returned with the SARS-CoV-2 coronavirus pandemic. The lexeme karawaka was recorded for the first time in Samuel Bogumił Linde’s Polish Language Dictionary, and in the Polish Language Dictionary edited by Witold Doroszewski it already had the status of historicism. This word and its synonyms (krzyż karawaka, krzyż choleryczny, krzyż epidemiczny, krzyż morowy, krzyż epidemiczny, krzyż choleryczny, krzyż karawaka) returned to Polish in 2020, and the lexical novelty during the SARS-CoV-2 coronavirus pandemic is krzyż pandemiczny.
Assessments of the Polish Constitutional Tribunal performance: effects of the survey administration method
Authors: Joński Kamil , Rogowski Wojciech
Published: October 2023

‘Legitimacy’, ‘reputation’ or ‘institutional trust’ inspired by judicial institutions constitutes an important aspect of the rule of law. Consequently, scholars developed survey-based methods to quantify ‘legitimacy’ as understood in the Weberian sense. Thereby, the survey response quality can meaningfully impact the obtained results. Moreover, one can expect, that sharpening political polarization observed in various countries could amplify such measurement problems. The goal of this paper is to examine the assessments of the Polish Constitutional Tribunal (CT) using two distinct surveys carried out in March 2022 by CBOS (Public Opinion Research Center). Both asked about the overall assessment of the CT performance, as well as electoral preferences (voting intent and preferred political party), frequency of religious practices, self-assessment of economic conditions and included a battery of standard demographic controls. Both overall assessment levels as well as individual-level determinants of the CT assessment (using probit models) had been compared. The findings document that, regardless of the survey data collection mode, controlled for demographic factors, the assessment of CT depends upon variables representing political polarization. This finding can be interpreted as an indication of its political de-legitimization. Moreover, five years after the constitutional crisis, and nearly one and a half years since the abortion verdict, over 40 per cent of respondents of the Allerhand Institute Survey admitted they ‘don’t know precisely’ the task of the CT or even ‘haven’t heard’ about it, indicating a substantial lack of knowledge. The second group of findings documents differences between CAPI and CAWI polls. According to the authors’ knowledge, it is the first attempt to examine respondent-level determinants of CT assessment, and test their sensitivity to the survey data collection mode, thereby contributing to our understanding of the Polish CT legitimacy five years after the constitutional crisis, and methodological aspects of such measurements in general.
Machine learning to optimize cerebrospinal fluid dilution for analysis of MRZH reaction
Authors: Turčić Ana , Štajduhar Andrija , Vogrinc Željka , Zaninović Ljiljana , Rogić Dunja
Published: October 2023

Objectives

To create a supervised machine learning algorithm aimed at predicting an optimal cerebrospinal fluid (CSF) dilution when determining virus specific antibody indices to reduce the need for repeated tests.

Methods

The CatBoost model was trained, optimized, and tested on a dataset with five input variables: albumin quotient, immunoglobulin G (IgG) in CSF, IgG quotient (QIgG), intrathecal synthesis (ITS) and limes quotient (LIM IgG). Albumin and IgG concentrations in CSF and serum were performed by immunonephelometry on Atellica NEPH 630 (Siemens Healthineers, Erlangen, Germany) and ITS and LIM IgG were calculated according to Reiber. Concentrations of IgG antibodies to measles, rubella, varicella zoster and herpes simplex 1/2 viruses were analysed in CSF and serum by ELISA (Euroimmun, Lübeck, Germany). Optimal CSF dilution was defined for each virus and used as a classification variable while the standard operating procedure was set to start at 2×-dilution of CSF.

Results

The dataset included 571 samples with the imbalanced distribution of the optimal CSF dilutions: 2× dilution n=440, 3× dilution n=109, 4× dilution n=22. The optimized CatBoost model achieved an area under the curve (AUC) score of 0.971, and a test accuracy of 0.900. The model falsely classified 14 (9.9 %) samples of the testing set but reduced the need for repeated testing compared to the standard protocol by 42 %. The output of the CatBoost model is mostly dependant on the QIgG, ITS and CSF IgG variables.

Conclusions

An accurate algorithm was achieved for predicting the optimal CSF dilution, which reduces the number of test repeats.
Updating constructions: additive effects of prior and current experience during sentence production
Authors: Thothathiri Malathi , Levshina Natalia
Published: October 2023

While much earlier work has indicated that prior verb bias from lifelong language experience influences language processing, recent findings highlight the fact that verb biases induced during lab-based exposure sessions also influence processing. We investigated the nature of updating, i.e., how prior and current experience might interact in guiding subsequent sentence production. Participants underwent a short training session where we manipulated the bias of known English dative verbs. The prior bias of each verb for the double-object (DO) versus the prepositional-object (PO) dative was estimated using a corpus. Current verb bias was counterbalanced and controlled experimentally. Bayesian mixed-effects logistic models of participants’ responses (DO or PO) during subsequent free-choice production showed that both the prior and current verb biases affected speakers’ construction choice. These effects were additive and not interactive, contrary to the prediction from error-based learning models. Semantic similarity to other verbs and their experimentally manipulated biases influenced sentence production, consistent with item-based analogy and exemplar theory. These results shed light on the potential mechanisms underlying language updating and the adaptation of sentence production to ongoing experience.
Lessons learned from a case study on teaching the socioscientific issue of ethanol, used as an ingredient of sanitizers, to promote students’ learning of and about chemistry during the COVID-19 pandemic
Authors: Ambrogi Paola , Eilks Ingo
Published: October 2023

During the COVID-19 pandemic, the unexpected lockdown of schools brought many challenges to redesigning the teaching and learning of chemistry at the secondary schooling level. The demand for online teaching under COVID-19 conditions was, however, also an opportunity to reflect on introducing new content, pedagogies, and media. This paper reflects on the implementation of a chemistry lesson plan focusing on the socio-scientific issue of ethanol used for hand sanitizers in Italy. Ethanol is possibly the most common ingredient of hand sanitizer lotions and provides an authentic context for the learning of and about chemistry. The objective was to promote students’ awareness of the deep interconnections between science, society, ethics, and the environment through a socio-scientific issues-based approach.
Body Surveillance May Reduce the Psychological Benefits of Exercise
Authors: Engeln Renee , Goldenberg Courtney , Jenkins Marren
Published: October 2023

Introduction: Body surveillance (i.e., monitoring the body's appearance) is linked with body image disturbance and eating pathology in women. Two studies investigated whether women's levels of body surveillance while exercising were linked with two common positive psychological outcomes of exercise: improved body satisfaction and increased positive mood. Methods: In Study 1, we explored correlations between body surveillance while working out, exercise enjoyment, exercise frequency, and trait body dissatisfaction in a sample of 218 women (age range 19-68) who exercised regularly. In Study 2, women (n = 178, age range 18-30) completed measures of mood and body satisfaction immediately before and after a 30-minute Zoom fitness class. Results: In Study 1, body surveillance while exercising was negatively associated with exercise enjoyment and exercise frequency. Further, a mediation analysis suggested that the negative association between body dissatisfaction and exercise enjoyment was mediated by body surveillance while exercising. Study 2 results indicated that the exercise class increased positive mood. However, higher levels of body surveillance during the class were associated with less mood improvement. Self-reported positive words to describe class experience were negatively related to body surveillance during the class, with the reverse finding for negative descriptive words. Discussion: Overall, results suggest engaging in body surveillance during workouts may diminish the typically positive effects of exercise on mood and body satisfaction. Altering fitness contexts to discourage appearance monitoring is recommended.
Expert Consensus on ECG Identification Applied in the Insurance Industry✰
Authors: Li Zhongjian , Chen Kangyin , Li Shifeng , Liu Tong
Published: October 2023

Electrocardiograms (ECGs) have the potential to be used as a reliable source of information for human identity recognition due to their universality, portability, and unique and stable biological identification features. This method enriches and refines existing biometric identification techniques, and is suitable for customer identity identification in the insurance industry. This article has the following objectives: 1) to introduce biometric identification techniques commonly used in the insurance industry, including ECG biometric identification techniques, and their advantages; 2) to discuss major aspects of ECG biometric identification techniques; 3) to systematically review the most recent advances in ECG identification and extraction characteristics from research in China and other countries; 4) to outline the technical aspects of using ECGs for recognizing client identity in the insurance industry; and 5) to discuss the future of ECGs in identity recognition. This article is aimed at further promoting the application of living personal ECG identification techniques in the insurance industry, and extending it to areas including medical insurance, banking, justice, public security, military, government, enterprises, and other departments and areas in which identification is needed to promote social stability and national security.
Intention to Use Islamic Banking Products and Services: Evidence from Malaysia
Authors: Si Kui Sian , Chin Phaik Nie
Published: October 2023

This study examined the non-economic factors that affect Malaysian’s desire to employ Islamic banking (IB) products and services to preserve financial stability. The study expanded the Theory of Planned Behavior by adding components: awareness and religiosity. The non-probability voluntary sample method was used to gather information from 303 Malaysians who met the requirements of being over 18 years old, not holding any IB products and services, or holding IB products and services but have been inactive in the past one year. A self-administered online questionnaire was disseminated to the respondents across the country using the social media platforms. The data was analyzed using the partial least squares structural equation modelling (PLS-SEM) method. It is discovered that Malaysians’ intentions to use IB products and services are significantly affected by attitudes, perceived behavioral control, subjective norms, awareness, and religiosity. To innovate and offer cutting-edge Shariah-compliant products and services in the individual and business sectors, Islamic banks must use successful techniques. According to the study, religiosity significantly affects people’s behavior, especially when it comes to their intent to utilize IB products and services.
Un proyecto innovador para acercar a estudiantes de educación superior a la realidad laboral
Authors: Morales-García Juan , Llanes Antonio , Muñoz Andrés , Cecilia José M.
Published: October 2023

Uno de los principales problemas de los actuales planes de estudios superiores españoles dentro de los niveles de Formación Profesional y concretamente en la rama de Tecnologías de la Información (FP-TI), es el de salvar la brecha entre las habilidades que el estudiantado aprende en el aula y las que necesitarán en los lugares de trabajo reales. El estudiantado de FP-TI se gradúan con un alto nivel de conocimientos teóricos y prácticos básicos, sin embargo, a menudo carecen de la experiencia necesaria para participar en un proyecto real de TI. En este artículo se propone una solución para mitigar este problema, basada en el diseño e implementación de sesiones en gestión ágil de proyectos en la que se muestran los contenidos teórico-prácticos y su implementación en un entorno real a través de un proyecto final. De esta forma, el alumnado conoce su realidad laboral más inmediata y obtienen las competencias necesarias para el prototipado y desarrollo de software en cualquier proyecto informático. Los resultados de esta propuesta demuestran que el alumnado de dicho nivel de estudios adquiere satisfactoriamente los conocimientos impartidos a través de esta propuesta, acercándose a su realidad laboral más inmediata.
Gabriel, Narciso de (2023). "Os mestres mortos daquel verán". Vigo, Galaxia. ISBN: 978-84-9151-969-0. 245 páxinas
Authors: Porto Ucha Ángel Serafín
Published: October 2023

Referencia bibliográfica sobre o libro recentemente publicado por Narciso de Gabriel Fernández, Os mestres mortos daquel verán, na Editorial Galaxia de Vigo. É unha investigación que recorre as vidas e mortes de dez mestres e mestras que exercían na provincia da Coruña e que foron executados baixo diferentes acusacións. A obra segue unha liña iniciada polo autor fai tempo, con moito rigor, e complementada por outros historiadores da educación galegos, que analizan as provincias de Pontevedra (Porto Ucha e Vázquez Ramil), Lugo (Costa Rico e Bolaño Amigo) e Ourense (Cid Fernández). Dende o punto de vista editorial é un libro moi coidado e ten o raro mérito de conxugar a investigación seria coa divulgación ben feita.
PRESENTACIÓN DEL TEMA. Innovación educativa en arte, ciencia y sociedad.
Authors: Morillas Gómez Samuel , Gil Salom Daniela
Published: October 2023

En este documento presentamos el tema relacionado con el número especial de la revista Innovación Educativa que dedicado a los trabajos presentados en las Jornadas de Innovación docente de la ETS de Ingeniería Informática de la Universitat Politècnica de València titulado 'Innovación docente en Ciencia, Tecnología y Sociedad'.
EDUARDO REY VILLAVERDE (m. 1925) Y SANTIAGO REY MONTERO (m. 1941): NOTICIAS Y PIEZAS INÉDITAS DE DOS IMPORTANTES PLATEROS COMPOSTELANOS OLVIDADOS POR LA HISTORIOGRAFÍA
Authors: Pérez Varela Ana
Published: October 2023

El presente artículo tiene como objetivo dar a conocer una serie de noticias inéditas sobre Eduardo Rey Villaverde y su hijo Santiago Rey Montero, dos plateros que, a pesar de haber sido apenas mencionados en los estudios, hemos comprobado que tuvieron una gran importancia en el panorama artístico de la época. El fundamento metodológico del mismo ha sido el trabajo en archivos para ofrecer un contexto documental en el que enmarcar a los plateros, y demostrar su interés a través de la valoración, variedad e importancia de sus encargos, así como las menciones a su fama en la Compostela de la época. También hemos conseguido reconstruir su árbol genealógico, ubicar sus obradores y dar a conocer una serie de piezas inéditas hasta el momento.
La influencia del pensamiento de Patrice Lumumba en la internacionalización de la crisis de Katanga
Authors: Olmedo Alberca Ana
Published: October 2023

El objetivo del presente artículo es analizar el impacto del pensamiento de Patrice Lumumba en el transcurso y la internacionalización de la crisis causada por la secesión de la provincia de Katanga (República Democrática del Congo) entre 1960 y 1963. La figura del que sería el primer ministro de la recién constituida República Democrática del Congo, antiguo Congo belga, experimenta una evolución de pensamiento desde de la connivencia con la presencia belga hasta el rechazo de la intromisión occidental. Es precisamente este viraje el que le pone en el punto de mira de comunidad internacional, la cual, en el contexto histórico caracterizado por el inicio de las descolonizaciones y la Guerra Fría, interpreta sus movimientos como un acercamiento al bloque comunista, suscitando la intervención de actores internos y externos al continente africano.

Partiendo del análisis de su pensamiento a través de sus principales discursos, se realizará una breve contextualización histórica para pasar a abordar la transformación del mismo, los tres pilares que lo conforman (anticolonialismo, panafricanismo y centralismo) y los factores endógenos y exógenos que frustraron su proyecto político, y que hacen de esta crisis uno de los ejemplos más paradigmáticos de neocolonialismo.
Lietuvos namų ūkių taupymo pensijai elgsena
Authors:   , Blažienė Inga
Published: October 2023

Retirement saving behaviour of Lithuanian households
Fiber based ATR IR spectroscopy for cancerous tissue diagnostics
Authors:   , Bandzevičiūtė Rimantė
Published: October 2023

Šviesolaidinė ATR IR spektroskopija vėžinių audinių diagnostikoje
Holokausto atminties vietų komunikacija Lietuvoje XX a. II p. - XXI a. pr.
Authors:   , Latvytė Neringa
Published: October 2023

Communication of the Holocaust memorial sites in Lithuania from mid-20th century to early 21st century
PHENOMENOLOGY STUDIES AT THE BEGINNING OF THE 20TH CENTURY: POLISH AND UKRAINIAN SOVIET CONTEXTS (TO THE 100TH ANNIVERSARY OF THE PUBLICATION OF THE SERIES OF ARTICLES BY V. YURYNETS “EDMUND HUSSERL” (1922-1923)
Authors: DAVIDENKO (ANUCHINA) Vlada
Published: October 2023

The article presents a comparison of the interpretations of Edmund Husserl’s early philosophy, created in different local contexts: ones by Polish researchers (Kazimir Tvardovsky, Jan Luka sevich, Vladyslav Tatarkevych, Roman Ingarden, Aleksander Rozenblum-Augustowski) in the period 1895-1945, and Ukrainian philosopher Volodymyr Yurynets. This comparison takes place against the background of considering the differences in the conditions of the development of philosophy in pre-war and interwar Poland and the USSR. The author demonstrates the similarity of the readings of Husserl’s phenomenology by Polish researchers and Yurynets and proves that the similarity between them is not only in the thematic focus of criticism of phenomenological philosophy, but also in its validity and level. In addition, the author offers an approach to the study of Yurynets’ figure and work, based on considering him primarily as a representative of Western intellectual culture. In particular, the possibility of considering Yurynets ‘ objections to Husserl’s project of phenomenological philosophy not as determined by ideological dictates, but as symptomatic of the European intellectual culture of the beginning of the 20th century is substantiated. Both Yurynets and the Polish phenomenological movement criticize phenomenology for its lack of coherence, and it is about both the internal coherence of phenomenological philosophy and its coherence with contemporary sciences. Particular attention is paid to the role of Yurynets in the history of Ukrainian studies of phenomenological philosophy in the context of the discussion about the origins of phenomenological studies in Ukraine.The author considers the investigations of the phenomenological movement in Poland to be fruitful for modern studies of phenomenological philosophy in Ukraine - a phenomenon that had a significant impact on the development of a wide range of humanitarian disciplines in Europe in the 20th-21st centuries and which has direct intersections and common personalities with Ukrainian philosophy. The same seems promising for other European local traditions.
The Multiscale Hybrid Method with a Localized Constraint. I. A Modified Control Volume Function for the Hybridized Mass and Momentum Equations
Authors: Bakumenko M. , Bardik V. , Nerukh D.
Published: October 2023

A new hybrid multiscaling model has been developed on the basis of the modified control volume function. Following the two-phase analogy of the same substance, the continuum and particle representations are coupled together in the framework of the mass and momentum conservation laws. The new functional form of the control volume function is elaborated by using the continuum discretization principle based on the Delaunay triangulation. The derived mass and momentum equations possess the invariant form for both micro-scale particle and large-scale continuum representations.
Вплив радіаційного опромінення на параметри полегшеної дифузії модельної медико-біологічної системи
Authors: Vlasenko T.S. , Gavryushenko D.A. , Cherevko K.V. , Bulavin L.A.
Published: October 2023

В рамках нерiвноважної статистичної термодинамiки роз-винено теоретичну модель дифузiї в обмежених багато-компонентних рiдинних системах за наявностi радiацiйного опромiнення, що дозволяє визначати стацiонарнi дифузiйнi потоки з урахуванням спричинених опромiненням змiн у рiвноважнiй частинi коефiцiєнта дифузiї. Для низки модельних розчинiв проведено оцiнку ентропiйних внескiв у рiвноважну частину коефiцiєнта дифузiї, спричинених змiною термодинамiчних властивостей рiдинних систем пiд впливом радiацiйного опромiнення. Показано, що опромiнення медико-бiологiчних рiдинних систем в неперервному режимi може призводити до збiльшення насичення тканин киснем за рахунок зменшення стабiлiзацiйних ефектiв, що спостерiгаються при полегшенiй дифузiї за вiдсутностi опромiнення.
Ламелярно-ланцюгові гідрогелі: особливості структури
Authors: Zabashta Yu.F. , Kovalchuk V.I. , Kopčanský P. , Safarik I. , Lazarenko M.M. , Vergun L.Yu. , Bulavin L.A.
Published: October 2023

Розглядається можливiсть створення на основi бiнарного водного розчину полiмерних та олiгомерних молекул гiдрогелiв нового типу – ламелярно-ланцюгових – iз каркасом пiдвищеної жорсткостi. Запропоновано гiпотетичну модель такого каркасу, структурними елементами якого є олiгомернi ламели та полiмернi ланцюги. Цi елементи з’єднуються завдяки тому, що кiнцi полiмерних ланцюгiв втягуються в пори ламел. Отримано формулу для вiльної енергiї такої системи. Показано, що збiльшення концентрацiї полiмера має привести до взаємного зближення ламел. Цей висновок узгоджується з результатами проведеного методом малокутового розсiяння рентгенiвських променiв експерименту, в якому дослiджувались бiнарнi воднi розчини полiмера (полiетиленглiколя) та олiгомера (додецилсульфата натрiю) з рiзними концентрацiями.
Benefits of probiotics in Autism Spectrum Disorders : A meta-analysis of RCTs
Authors: Hiremath Sharanabasayyaswamy B. , Devendrappa Srinivas L.
Published: October 2023

Using probiotics as a pharmaceutical intervention is based on the fact that dysbiosis affects many people with autism spectrum disorders (ASD). This study aimed to quantify various probiotics’ overall and individualized benefits in treating ASD. Randomized or cross-over trials comparing the efficacy of placebo or active control vs. probiotics in patients of any age diagnosed with ASD based on DSM IV/V criteria were considered under inclusion criteria.  An electronic database search in PUBMED and Cochrane Library was conducted using MeSH search terms “probiotics” AND “Autism.”  Mean change in the total score of clinical parameters used to assess ASD symptom severity was the primary outcome measure analyzed. All the outcome measures were estimated by calculating the Standardized Mean Difference (SMD) values and their 95% Confidence Intervals (CI), considering the different clinical parameters used to assess the change in ASD symptoms in identified clinical trials. An insignificant decrease in the total score value of primary outcome measure by -0.14 (SMD: 0.14, 95% CI:-0.45 to 0.17) in patients treated with probiotics was observed. The quantity of decrease remained insignificant in subgroup analyses also. Observed insignificant clinical benefits of probiotics in ASD patients could be due to the presence of gastrointestinal symptoms as co-morbidity. We hypothesize that intolerance to dietary components is responsible for gastrointestinal symptoms and inflammation. Perhaps probiotics are still beneficial in ASD patients without gastrointestinal symptoms, while their combination with prebiotics is effective in patients with gastrointestinal symptoms.
Adoption of Vaping Cessation Methods by US Adolescent E-Cigarette Users
Authors: Dai Hongying Daisy , Hanh Pham , Guenzel Nick , Morgan Mathuri , Kerns Ellen , Winickoff Jonathan P.
Published: October 2023

BACKGROUND

A large number of adolescent e-cigarette users intend to quit vaping or have past-year quit attempts. However, it remains unknown which methods they use in their vaping cessation efforts.

METHODS

We analyzed current (past 30-day) e-cigarette users who made ≥1 quit attempt in the past 12 months from the 2021 National Youth Tobacco Survey (NYTS) to examine the prevalence and associations of sociodemographic factors, vaping behaviors, and harm perception with the adoption of different vaping cessation methods.

RESULTS

In the 2021 NYTS, there were 1436 current vapers, and 889 (67.9%) had made a past-year quit attempt. Of those, 575 (63.7%) (weighted N = 810 000) reported they did not use any resources (unassisted quitting). Peer support (14.2%), help on the Internet (6.4%), a mobile app or text messaging (5.9%), and parent support (5.8%) were the top 4 cessation methods. Female (versus male) vapers were less likely to solicit parent support (adjusted odds ratio [AOR], 0.2; 95% confidence interval [95% CI], 0.1–0.5), whereas Hispanic (versus White) vapers were more likely to seek friend support (AOR, 2.1; 95% CI, 1.1–3.9) and parent support (AOR, 2.7, 95% CI, 1.2–6.3). Those who perceived vaping to be harmful were less likely to get friend support, but more likely to use a mobile app or text messaging program. Dual users of e-cigarettes and any other tobacco product were more likely to get help from a teacher/coach or a doctor/health care provider and treatment from medical facilities than sole e-cigarette users.

CONCLUSIONS

There were different correlates with the adoption of vaping cessation methods, highlighting the need for tailored approaches to meet the cessation needs and preferences of the adolescent vaping population.