bluuebunny/crossref_metadata_2025 huggingface dataset:
Influence of Pennation Angle and Muscle Thickness on Mechanomyographic Amplitude–Torque Relationships and Sex-Related Differences in the Vastus Lateralis
Authors: Trevino Michael , Perez Sergio , Sontag Stephanie , Olmos Alex , Jeon Sunggun , Richardson Lyric
Published: May 2023

This study examined potential sex-related differences and correlations among the pennation angle (PA), muscle thickness (MT), and mechanomyographic amplitude (MMGRMS)–torque relationships of the vastus lateralis (VL) in 11 healthy males and 12 healthy females. The PA and MT of the VL were quantified with ultrasound. Participants performed an isometric muscle action of the knee extensors that linearly increased to 70% of maximal strength followed by a 12 s plateau. MMG was recorded from the VL. Linear regression models were fit to the log-transformed MMGRMS–torque relationships to calculate b terms (slopes) for the linearly increasing segment. MMGRMS was averaged during the plateau. Males exhibited greater PA (p < 0.001), MT (p = 0.027), b terms (p = 0.005), and MMGRMS (p = 0.016). The b terms were strongly (p < 0.001, r = 0.772) and moderately correlated (p = 0.004, r = 0.571) with PA and MT, respectively, while MMGRMS was moderately correlated with PA (p = 0.018, r = 0.500) and MT (p = 0.014, r = 0.515). The greater mechanical behavior of individuals possessing a larger PA and MT of the VL may reflect increased cross-bridge activity within the muscle fibers. Additionally, PA may help explain sex-related differences in MMGRMS between sexes.
Design and Additive Manufacturing of a Passive Ankle–Foot Orthosis Incorporating Material Characterization for Fiber-Reinforced PETG-CF15
Authors: Steck Patrick , Scherb David , Witzgall Christian , Miehling Jörg , Wartzack Sandro
Published: May 2023

The individualization of patient-specific ankle joint orthoses is becoming increasingly important and can be ideally realized by means of additive manufacturing. However, currently, there are no functional additively manufactured fiber-reinforced products that are used in the field of orthopedic treatment. In this paper, an approach as to how additively manufactured orthopedic products can be designed and produced quickly and flexibly in the future is presented. This is demonstrated using the example of a solid ankle–foot orthosis. For this purpose, test results on PETG-CF15, which were determined in a previous work, were integrated into a material map for an FEA simulation. Therewith, the question can be answered as to whether production parameters that were determined at the test specimen level can also be adapted to real, usable components. Furthermore, gait recordings were used as loading conditions to obtain exact results for the final product. In order to perfectly adapt the design of the splint to the user, a 3D scan of a foot was performed to obtain a perfect design space for topology optimization. This resulted in a patient-specific and stiffness-optimized product. Subsequently, it was demonstrated that the orthosis could be manufactured using fused layer modelling. Finally, a comparison between the conventional design and the consideration of AM-specific properties was made. On this basis, it can be stated that the wearing comfort of the patient-specific design is very good, but the tightening of the splint still needs to be improved.
Study of the Solder Characteristics of IGBT Modules Based on Thermal–Mechanical Coupling Simulation
Authors: Chen Jibing , Liu Bowen , Hu Maohui , Huang Shisen , Yu Shanji , Wu Yiping , Yang Junsheng
Published: May 2023

The insulated-gate bipolar transistor (IGBT) represents a crucial component within the domain of power semiconductor devices, which finds ubiquitous employment across a range of critical domains, including new energy vehicles, smart grid systems, rail transit, aerospace, etc. The main characteristics of its operating environment are high voltage, large current, and high power density, which can easily cause issues, such as thermal stress, thermal fatigue, and mechanical stress. Therefore, the reliability of IGBT module packaging has become a critical research topic. This study focuses on the damage of power device solder layers and applies heat transfer theory. Three typical solders for welding IGBTs (92.5Pb5Sn2.5Ag, Sn3.0Ag0.5Cu (SAC305), and nano-silver solder paste) are analyzed using JMatPro software to simulate their characteristics. First, a finite element analysis method is used to simulate the entire IGBT module with ANSYS Workbench platform. The study compares the impact of three types of solders on the overall heat transfer of the IGBT module under normal operation and welding layer damage conditions. The characteristics are analyzed based on changes in the junction temperature, heat flow path, and the law of thermal stress and deformation. The findings indicated that under steady-state working conditions, adjacent chips in a multi-chip IGBT module had significant thermal coupling, with a maximum temperature difference between chip junctions reaching up to 13 °C, and a phenomenon of heat concentration emerged. The three types of solders could change the thermal conductivity and heat transfer direction of the IGBT module to varying degrees, resulting in a temperature change of 3–6 °C. Under conditions of solder layer damage, the junction temperature increased linearly with the severity of the damage. In the 92.5Pb5Sn2.5Ag and Sn3.0Ag0.5Cu (SAC305) solders, the presence of intermetallic compounds (IMCs) led to more stress concentration points in the solder layer, with the maximum stress reaching 7.14661 × 107 MPa and concentrated at the edge of the solder layer. The nano-silver solder layer had the best thermal conductivity, and the maximum thermal deformation under the same conditions was only 1.9092 × 10−5 m.
Porous 8YSZ Ceramics Prepared with Alkali Halide Sacrificial Additives
Authors: Diaz Julio Cesar Camilo Albornoz , Muccillo Eliana Navarro dos Santos , Muccillo Reginaldo
Published: May 2023

8 mol% Y2O3-stabilized ZrO2 (8YSZ) ceramics were prepared with KCl and LiF additions to obtain porous specimens with high skeletal density. Thermogravimetric and differential thermal analyses (TG/DTA) were carried out on 8YSZ and on 8YSZ mixed to 5 wt.% KCl or 5 wt.% LiF as sacrificial pore formers that were thermally removed during sintering. The melting and evaporation of the alkali halides were evaluated by differential thermal analysis. Dilatometric analysis was also carried out following the same TG/DTA temperature profile with results suggesting rearrangement of the 8YSZ particles during LiF and KCl melting. The dilatometric data of 8YSZ green pellets mixed to KCl or LiF exhibited an initial expansion up to the melting of the alkali halide, followed by shrinkage due to sintering evolution with grain growth and pore elimination. The time that the alkali halide molten phase was kept during sintering was found to be an important parameter for obtaining 8YSZ-sintered specimens with specific pore content; bulk density and open porosity could then be tuned by controlling the time the alkali halide remained liquid during sintering. Scanning electron microscopy images of the pellet fracture surfaces showed pores that contributed to increasing the electrical resistivity as evaluated by impedance spectroscopy analysis.
Analysis of Heavy Metal Pollution in Soil along the Shuimo River by the Grey Relational Method and Factor Analysis
Authors: Zhang Yidan , Wang Yonglan , Zang Honggang , Yao Junqin , Ma Huiying
Published: May 2023

Soil samples were collected from the upstream, midstream and downstream areas of the Shuimo River in three layers of 0–20, 20–40 and 40–60 cm, and each group of sample points was located 5 m, 1 km and 2 km away from the river bank, respectively. The analysis was carried out. Based on the investigation and research, six indicators, including As, Pb, Zn, Cu, Ni and Cr, were designated as evaluation factors in combination with the results of the sample collection with low or no detectable values of Cd and Hg. The mean values of the samples measured in the upper, middle and downstream layers were taken, and the degree and source of pollution were evaluated and jointly analyzed using the gray correlation analysis and factor analysis methods. By using the gray correlation analysis, it was found that the evaluation results of the upstream and middle reaches of the soil along the Shuimo River were both level 3, with slight pollution, and the evaluation results of the downstream areas were level 2, with good soil quality. There are two main sources of pollution obtained through the factor analysis; source 1 is mainly heavy metals such as Zn, Cu, Cr, Pb and Ni, while source 2 is mainly heavy metals such as As, Pb and Ni. The amount of pollution sources is inferred from the heavy metal types of each source and the soil environment along the Shuimo River as industrial and human sources of pollution. From the analysis results, the combination of the gray correlation analysis model and factor analysis model is convenient and fast and can accurately quantify the source contribution of various pollution sources. Not only can it reflect the actual situation more objectively and realistically in the evaluation of soil heavy metal pollution and pollution sources, but also the calculation is simple and easily applied with low data requirements.
Convolution Neural Network Fusion Lock-In Thermography: A Debonding Defect Intelligent Determination Approach for Aviation Honeycomb Sandwich Composites (HSCs)
Authors: Wang Xinjian , Gao Mingyu , Wang Fei , Yang Feng , Yue Honghao , Liu Junyan
Published: May 2023

This report is on convolution neural network (CNN) fusion lock-in thermography, which can implement the intelligent identification of defects for aviation honeycomb sandwich composites (HSCs). First, HSCs specimens with subsurface delamination defects were fabricated and stimulated by halogen lamps according to sinusoidal modulation, and the defects were reliably inspected using lock-in thermography. The amplitude and phase images (commonly referred to as feature images) were obtained by using a digital lock-in correlation algorithm. Furthermore, these feature images were changed into gray or color-level image formalism datasets, which is pre-processed in ways including contrast enhancement, threshold segmentation as well as mosaic data augmentation. Finally, the four-layer feature pyramid structure and ransformer are combined and introduced to the popular YOLOv5 CNN model, and a YOLOLT CNN model is formed to realize the defect identification. The average precision (AP) in the defect identification of HSCs in complex environments (contains noise and other objects) reached 93.2% and achieved an average recognition speed of 0.6 s/image.
The Mechanism of Phase Transfer Synthesis of Silver Nanoparticles Using a Fatty Amine as Extractant/Phase Transfer Agent
Authors: Wojtaszek Konrad , Tokarski Tomasz , Kutyła Dawid , Kołczyk-Siedlecka Karolina , Żabiński Piotr , Csapó Edit , Socha Robert P. , Escribà-Gelonch Marc , Hessel Volker , Wojnicki Marek
Published: May 2023

The paper presents the research results on synthesizing silver nanoparticles in aqueous solutions and their extraction into the organic phase. Studies have shown that it is best to perform the extraction process using n-hexane > cyclohexane > toluene > chloroform > ethyl acetate. The results show a correlation between the dielectric constant of the organic phase and its ability to extract nanoparticles. The lower the dielectric constant is, the higher the extractability. The hydrodynamic radius of the silver nanoparticles changes after transfer to the organic phase, depending greatly on the organic phase used. The extraction mechanism is complex and multi-step. As the first step, the Ag nanoparticles are transferred to the phase boundary. As the second step, the octadecylamine (ODA) molecules adsorb on the silver nanoparticles (AgNPs) surface. The change in particle shape was also noted. This suggests that the interfacial processes are more complex than previously reported. Below the initial concentration of ODA 2 × 10−4 M, the formation of a third phase has been observed. In a one-stage experiment, the concentration of silver nanoparticles after transferring to the organic phase was increased 500 times in about 10 s. The role of the concentration of ODA, therefore, is not only a measure of the extraction efficiency and productivity but functions as an enabler to maintain favorable biphasic processing, which underlines the role of the solvent again.
EIS Study of Doped High-Entropy Alloy
Authors: Brito-Garcia Santiago Jose , Mirza-Rosca Julia Claudia , Jimenez-Marcos Cristina , Voiculescu Ionelia
Published: May 2023

The promising results obtained in the research of high-entropy alloys are increasingly encouraging new configurations of these alloys. Our research was conducted on the high-entropy CoCrFeMoNi alloy and the Ti-doped CoCrFeMoNi alloy. Electrochemical impedance spectroscopy (EIS) measurements were performed on samples with and without Ti-doped CoCrFeMoNi high-entropy alloys in order to evaluate the influence of voltage on their behavior in a simulated aggressive environment. The impedance spectra were measured between −1.0 and +0.8 V vs. SCE at various potential levels. Using an electrical equivalent circuit to match the experimental data, the impedance spectra were analyzed. The corresponding circuit that successfully fits the spectra has two time constants: the first one is for the attributes of the compact passive layer and the second one is for the features of the porous passive layer. The results show that doping CoCrFeMoNi alloy with 0.36 at.% Ti reduces the alloy’s ability to resist corrosion, as the alloy can react more quickly to the surrounding environment and cause a decrease in the corrosion resistance of the alloy.
High-Throughput Screening of Natural Product and Synthetic Molecule Libraries for Antibacterial Drug Discovery
Authors: Ayon Navid J.
Published: May 2023

Due to the continued emergence of resistance and a lack of new and promising antibiotics, bacterial infection has become a major public threat. High-throughput screening (HTS) allows rapid screening of a large collection of molecules for bioactivity testing and holds promise in antibacterial drug discovery. More than 50% of the antibiotics that are currently available on the market are derived from natural products. However, with the easily discoverable antibiotics being found, finding new antibiotics from natural sources has seen limited success. Finding new natural sources for antibacterial activity testing has also proven to be challenging. In addition to exploring new sources of natural products and synthetic biology, omics technology helped to study the biosynthetic machinery of existing natural sources enabling the construction of unnatural synthesizers of bioactive molecules and the identification of molecular targets of antibacterial agents. On the other hand, newer and smarter strategies have been continuously pursued to screen synthetic molecule libraries for new antibiotics and new druggable targets. Biomimetic conditions are explored to mimic the real infection model to better study the ligand–target interaction to enable the designing of more effective antibacterial drugs. This narrative review describes various traditional and contemporaneous approaches of high-throughput screening of natural products and synthetic molecule libraries for antibacterial drug discovery. It further discusses critical factors for HTS assay design, makes a general recommendation, and discusses possible alternatives to traditional HTS of natural products and synthetic molecule libraries for antibacterial drug discovery.
Study of Atmospheric Pressure Plasma Temperature Based on Silicon Carbide Etching
Authors: Xu Shaozhen , Yuan Julong , Zhou Jianxing , Cheng Kun , Gan Hezhong
Published: May 2023

In order to further understand the excitation process of inductively coupled plasma (ICP) and improve the etching efficiency of silicon carbide (SiC), the effect of temperature and atmospheric pressure on plasma etching of silicon carbide was investigated. Based on the infrared temperature measurement method, the temperature of the plasma reaction region was measured. The single factor method was used to study the effect of the working gas flow rate and the RF power on the plasma region temperature. Fixed-point processing of SiC wafers analyzes the effect of plasma region temperature on the etching rate. The experimental results showed that the plasma temperature increased with increasing Ar gas until it reached the maximum value at 15 slm and decreased with increasing flow rate; the plasma temperature increased with a CF4 flow rate from 0 to 45 sccm until the temperature stabilized when the flow rate reached 45 sccm. The higher the RF power, the higher the plasma region’s temperature. The higher the plasma region temperature, the faster the etching rate and the more pronounced the effect on the non-linear effect of the removal function. Therefore, it can be determined that for ICP processing-based chemical reactions, the increase in plasma reaction region temperature leads to a faster SiC etching rate. By processing the dwell time in sections, the nonlinear effect caused by the heat accumulation on the component surface is effectively improved.
Essential Oil Composition of Grindelia squarrosa from Southern Idaho
Authors: Poudel Ambika , Dosoky Noura S. , Satyal Prabodh , Swor Kathy , Setzer William N.
Published: May 2023

Grindelia squarrosa is an arid lands herb that has been used in Native American traditional medicine, is a potential source of pharmacologically active compounds, and has been explored as a source of biofuel. The purpose of this work was to examine the essential oil composition of G. squarrosa from southern Idaho. Gas chromatographic methods revealed the essential oil of G. squarrosa var. serrulata to be rich in monoterpenoids, α-pinene (21.9%), limonene (17.1%), terpinolene (10.6%), and borneol (6.5%). The essential oil composition of G. squarrosa from Idaho is similar to that previously reported from specimens collected from Montana and confirms the volatile phytochemistry of plants growing in North America. The major essential oil components were screened for antimicrobial activity against respiratory and dermal pathogens. (–)-β-Pinene showed strong antibacterial activity against Streptococcus pneumoniae (MIC 39.1 μg/mL) and (–)-borneol showed strong activity against Staphylococcus aureus (MIC 78.1 μg/mL).
Antibacterial Applications of Nanomaterials
Authors: Vasilev Krasimir
Published: May 2023

In the 21st century, infections remain a major problem for society and are one of the leading causes of mortality [...]
A Blockchain Protocol for Real-Time Application Migration on the Edge
Authors: Tošić Aleksandar , Vičič Jernej , Burnard Michael , Mrissa Michael
Published: May 2023

The Internet of Things (IoT) is experiencing widespread adoption across industry sectors ranging from supply chain management to smart cities, buildings, and health monitoring. However, most software architectures for the IoT deployment rely on centralized cloud computing infrastructures to provide storage and computing power, as cloud providers have high economic incentives to organize their infrastructure into clusters. Despite these incentives, there has been a recent shift from centralized to decentralized architectures that harness the potential of edge devices, reduce network latency, and lower infrastructure costs to support IoT applications. This shift has resulted in new edge computing architectures, but many still rely on centralized solutions for managing applications. A truly decentralized approach would offer interesting properties required for IoT use cases. In this paper, we introduce a decentralized architecture tailored for large-scale deployments of peer-to-peer IoT sensor networks and capable of run-time application migration. We propose a leader election consensus protocol for permissioned distributed networks that only requires one series of messages in order to commit to a change. The solution combines a blockchain consensus protocol using Verifiable Delay Functions (VDF) to achieve decentralized randomness, fault tolerance, transparency, and no single point of failure. We validate our solution by testing and analyzing the performance of our reference implementation. Our results show that nodes are able to reach consensus consistently, and the VDF proofs can be used as an entropy pool for decentralized randomness. We show that our system can perform autonomous real-time application migrations. Finally, we conclude that the implementation is scalable by testing it on 100 consensus nodes running 200 applications.
In-Wall Imaging for the Reconstruction of Obstacles by Reverse Time Migration
Authors: Yarar M. Lütfi , Yapar Ali
Published: May 2023

In this paper, the reverse time migration (RTM) method is applied to the single-frequency reconstruction of embedded obstacles in a wall to perform an introductory study for in-wall imaging. The aim is to determine the geometrical properties of an object embedded in a wall by the use of an information function provided via the RTM method. The method is based on the computation of that information function separately at each point on a reconstruction domain. It is defined as the correlation levels between the incident fields emitted from sources and the back-propagation of the scattered field. The problem is taken from a broader perspective in order to show and confirm the effectiveness of the method. For this purpose, numerical experiments within a fundamental scenario are determined in a particular order to perform an essential Monte Carlo simulation. The paper uses a comparative study to make an objective evaluation of the achievement level of the method in in-wall imaging. The results reveal that the method is at the applicable level of achievement.
Spatial Analysis of Dengue Clusters at Department, Municipality and Local Scales in the Southwest of Colombia, 2014–2019
Authors: Marceló-Díaz Catalina , Lesmes María Camila , Santamaría Erika , Salamanca José Alejandro , Fuya Patricia , Cadena Horacio , Muñoz-Laiton Paola , Morales Carlos Andrés
Published: May 2023

Dengue is an arbovirus transmitted by mosquitoes of the genus Aedes and is one of the 15 main public health problems in the world, including Colombia. Where limited financial resources create a problem for management, there is a need for the department to prioritize target areas for public health implementation. This study focuses on a spatio-temporal analysis to determine the targeted area to manage the public health problems related to dengue cases. To this end, three phases at three different scales were carried out. First, for the departmental scale, four risk clusters were identified in Cauca (RR ≥ 1.49) using the Poisson model, and three clusters were identified through Getis-Ord Gi* hotspots analysis; among them, Patía municipality presented significantly high incidence rates in the time window (2014–2018). Second, on the municipality scale, altitude and minimum temperature were observed to be more relevant than precipitation; considering posterior means, no spatial autocorrelation for the Markov Chain Monte Carlo was found (Moran test ˂ 1.0), and convergence was reached for b1–b105 with 20,000 iterations. Finally, on the local scale, a clustered pattern was observed for dengue cases distribution (nearest neighbour index, NNI = 0.202819) and the accumulated number of pupae (G = 0.70007). Two neighbourhoods showed higher concentrations of both epidemiological and entomological hotspots. In conclusion, the municipality of Patía is in an operational scenario of a high transmission of dengue.
Intelligent Deep Learning Estimators of a Lithium-Ion Battery State of Charge Design and MATLAB Implementation—A Case Study
Authors: Tudoroiu Nicolae , Zaheeruddin Mohammed , Tudoroiu Roxana-Elena , Radu Mihai Sorin , Chammas Hana
Published: May 2023

The main objective of this research paper was to develop two intelligent state estimators using shallow neural network (SNN) and NARX architectures from a large class of deep learning models. This research developed a new modelling design approach, namely, an improved hybrid adaptive neural fuzzy inference system (ANFIS) battery model, which is simple, accurate, practical, and well suited for real-time implementations in HEV/EV applications, with this being one of the main contributions of this research. On the basis of this model, we built four state of charge (SOC) estimators of high accuracy, assessed by a percentage error of less than 0.5% in a steady state compared to the 2% reported in the literature in the field. Moreover, these estimators excelled by their robustness to changes in the model parameters values and the initial “guess value” of SOC from 80–90% to 30–40%, performing in the harsh and aggressive realistic conditions of the real world, simulated by three famous driving cycle procedure tests, namely, two European standards, WLTP and NEDC, and an EPA American standard, FTP-75. Furthermore, a mean square error (MSE) of 7.97 × 10−11 for the SOC estimation of the NARX SNN SOC estimator and 5.43 × 10−6 for voltage prediction outperformed the traditional SOC estimators. Their effectiveness was proven by the performance comparison with a traditional extended Kalman filter (EKF) and adaptive nonlinear observer (ANOE) state estimators through extensive MATLAB simulations that reveal a slight superiority of the supervised learning algorithms by accuracy, online real-time implementation capability, in order to solve an extensive palette of HEV/EV applications.
The awareness of education and the role of education orientation in rural Vietnam: the case of Hòa Phú Commune, Châu Thành District, Long An Province
Authors: Lam-Ha Truong Thi
Published: May 2023

The study is to investigate and analyse the perception of parents in Hòa Phú Commune about education and their guidance toward their children’s career education orientation in the current period. The study is based on ethnographical fieldwork methodology with 29 in-depth interviews across all five hamlets (cluster sampling) and several observation journeys. The authors spent 3 years working at the research site. The child's continuing education depends largely on his or her own wishes. In fact, there is an interaction between the internal factors (parents' wishes, expectations and needs) and external factors (economic, cultural and social circumstances) of the educational orientation of children in rural families. In many cases, there is a gap between what parents think and what they act about their children's education. Local families rationally choose to guide and invest in their children's education. The research shows how contemporary Vietnamese rural residents view and position their children's education, especially the future vocational education.
Nivel de calidad de la demanda bioquímica de oxígeno del proceso de filtros biológicos
Authors: Chavarría Márquez Esmila Yeime , Huamaní Astocaza Luz Luisa , Basurto Contreras César Marino , Carvo Baltazar Oscar Saul
Published: May 2023

En el año 2022, al evaluar la planta de tratamiento de aguas residuales ubicada en el distrito de Yauli del departamento de Huancavelica en Perú, la demanda bioquímica de oxígeno del afluente fue en promedio 185 mg/L y del efluente excedió a 100 mg/L; por esta razón, se implementó un filtro biológico con contenido de carbón vegetal. El objetivo principal fue identificar el nivel de calidad de la demanda bioquímica de oxígeno del efluente mediante el método analítico de reactor incubador, ya que es un parámetro fundamental evaluar el empleo de filtros como minimizante de materia orgánica presente en la calidad de agua residual. Entre los materiales que se utilizo fue el reactor DBO con 6 biodigestores y la incubadora conjuntamente con el protocolo de muestreo de aguas residuales. El método fue explicativo, donde el uso de filtros biológicos en la planta de tratamiento de aguas residuales de Yauli- Huancavelica logró minimizar la demanda bioquímica del oxígeno hasta 67.96 mg/L del efluente. Por tanto, el proceso de filtros biológicos a base de carbón vegetal permitió obtener valores por debajo de 100 mg/L de calidad de demanda bioquímica de oxígeno cumpliendo con los límites máximos permisibles para aguas residuales, el mismo que será beneficioso para conservar la biodiversidad acuática del rio Yauli y desarrollar la agricultura, entre otros sectores.
In memory of Tamara Veske: three portraits in the Réminiscences genre
Authors: Roschenko Olena
Published: May 2023

Statement of the problem. The relevance of the presented research is attributed to the introduction of little-known pages of the life of the outstanding vocal teacher, Honoured Artist of Ukraine, Professor Tamara Yakivvna Veske (1914–2005) into the musicological context, their systematisation and problematisation. The purpose of the research is to determine the system of hypostases in which the personality of the legendary vocal teacher manifested itself and to reveal the specifics of her starry path to the top of the profession by creating three portraits of T. Veske in the genre of Réminiscences. An innovative element of the research is the involvement of “acme”-methodology in the development of the aforementioned system, which made it possible to consider the creative personality of T. Veske as universal. The study of the creative path of the outstanding vocal teacher required a combination of historical, biographical, reminiscence (Zolotaryova, 2013) research methods (the latter was used due to the analysis and systematisation of T. Veske’s oral memoirs), as well as the postulates of the theory of age musicology (Savytska, 2008), acme-methodology, in particular, the acme-centred approach (Roschenko, 2013, 2019, 2021) and the concept of activity universalism (Komenda, 2020). Results and conclusion. The results of the study are in the determination of the specifics of T. Veske’s path to the “acme” stage, the analysis of the elements of her methodology for teaching singing, and defining of the facets of the universalism of her creative personality. The conclusion emphasises that the personality of T. Veske combined such different hypostases (a scientist-pharmacist, a woman warrior, a singer and vocal teacher, a skilful leader), realised in her work as a research scientist, a war heroine and an artist, that there would be enough of them for more than one human life. At different stages of her life, she demonstrated many talents, consistently giving preference to a certain field of activity in order to focus on overcoming other peaks and tasks set by fate. As a teacher, T. Veske devoted all her universal talents to the service of vocal art, developing a unique teaching methodology based on a purely individual approach to the student and “following” the properties of their voice in order to fully reveal them. The artist’s path, steadily gravitating towards the starry heights, reflected the versatility of her creative nature as a summa summarum; her talents while interacting contributed to the improvement of the inner and outer beauty of her truly Renaissance personality.
Children’s orchestral set “Harmonika” by H. T. Statyvkin as a source of developing initial skills of ensemble and orchestral music playing for preschool children
Authors: Rieznik Olena
Published: May 2023

The figure of Hennadii Tymofiyovych Statyvkin as a reformer of the methodology of teaching the button accordion has always interested researchers for its versatility: ideas of restructuring the educational process of primary music education; experimental introduction of new methodological principles in the educational process; introduction of a seven-year period of training for button accordionists in children’s music schools; production of special training children’s selectable and ready-made button accordions; development and publication of a new curriculum and teaching aids. The above-mentioned ranges of H. Statyvkin’s activity have been covered by scholars at different times exclusively from the point of view of changing the methodology of teaching the button accordion from a selectable to a ready-made instrument. The problem of studying the structure of children’s accordion instruments created by H. Statyvkin has never acquired the format of a special separate study. The proposed article aims to reveal the design activity H. Statyvkin by analysing the design features of children’s musical instruments created by him for ensemble and orchestral music for preschool children. The scientific novelty of the research results is due to the introduction of some facts about the design features of the children’s orchestra set “Harmonika” into the scientific circulation of musicology, which made it possible to reveal the specifics of H. Statyvkin’s design thinking. Based on the analysis of the system of sound disposition at the right keyboards of the “Solo-1” and “Solo-2” instruments, we can conclude that H. Statyvkin’s system corresponds to the right keyboard of the piano-type accordion, but in the button version. Unusual for the button accordion disposition of the sounds at the right keyboard and grouping of major and minor triads in one row of the left keyboard is based on ergonomic and physiological data of preschool children (height and width of the chest, length of hands and forearms). It was this design that made it possible to reduce the overall sizes of the instruments and to make them in accordance with the physiology of a preschool children.
A função social memorativa da propriedade privada imóvel
Authors: Cândido Nathalie Carvalho , Monteiro Maria Darlene Braga Araújo , Lima Elke Castelo Branco
Published: May 2023

A propriedade privada imóvel, seja esta urbana ou rural, encontra-se vinculada à sua função social. O conteúdo do princípio função social da propriedade imóvel pode ser analisado em sua dimensão econômica, social ou ambiental. No início do século XXI, normas como o Estatuto da Cidade e o Código Civil Brasileiro, expuseram também o dever do proprietário de imóvel urbano com a manutenção do patrimônio cultural, assim, um novo aspecto da função social começa a ser desbravado. O presente trabalho, através de pesquisa pura, explicativa de abordagem qualitativa e de cunho bibliográfica, explora a formação histórica da função social da propriedade urbana, apresenta a evolução das normas brasileiras quanto ao princípio da função social, findando com a análise do surgimento de uma nova dimensão do princípio, denominada cultural ou memorativa. Compreende-se que o direito fundamental ao patrimônio cultural edificado precisa ser protegido através das limitações intrínsecas que são inerentes à propriedade imóvel que seja representativa da identidade dos diversos grupos formadores da sociedade brasileira.
Ukrainian Identity Development in the Education System in the Conditions of Martial Law in Ukraine
Authors: Trubavina Iryna , Cherednychenko Oleksandr , Oliinyk Nadiia , Nedria Kirill
Published: May 2023

The article is devoted to the actual problem of modern Ukrainian pedagogy – the national identity development. The purpose of the article is to identify the peculiarities of the national identity development in education in the conditions of war and to suggest the ways to strengthen this process.

The research methodology is systemic, activity, cultural, axiological approaches. Research methods are: theoretical analysis of sources, generalization of experience, synthesis.

Results. The Ukrainian identity is the result of national-patriotic education and a component of national security. The peculiarities of the national identity development in the Ukrainian system of education in martial law are revealed: the need for simultaneous development of Ukrainian and European values, attention to the value of life and continuing education in war, respect for human rights. The ways to strengthen the national identity development in the education system include are: official restoration of educational function of teachers in all regulatory documents; emphasis on education which is based on national and European values; teaching educators to perform their new functions – security function, information function, social assistance, social education of parents and the community; official clarification in regulatory documents of the definition of educators’ security function; normalization of the definition of a safe educational environment in martial law; introduction of the Declaration of School Safety into the education system, the Ukrainian Charter of a Free Person into the education system; the participation of students in volunteer activities; compliance of all stages of the educational process with the idea of national identity formation.

Conclusion. The peculiarities of the national identity development and the ways to strengthen the national identity development today are very important. The prospects for further research are to identify the effectiveness of new ways of the Ukrainian identity development.
Discrimination in Silapathikaram
Authors: N Sivaguru
Published: May 2023

Silapathikaram is considered the best epic in Tamil literature. This epic is about the three kings who has been called Moovaendars and the three modes of entertainment such as literature, music and drama. The ancient people’s life style, social structure, standard of living of the people, caste discrimination, and folk song system have been highlighted in this text. Varuna (division of people based on caste) plays a major role in people's lives. Author IIangovadigal points out that this situation came from Silapathikaram period. The people are divided into four categories as priests, kings, merchants and servants. Though the text speaks well about merchants, it gave importance to priests. The protagonist Kovalan is highlighted in the text through the priests. Through this, we can feel their primacy in the society. Even though the kings and servants have material possessions, they are next to the Antananars (priests). In Silapathikaram, you can see a society where caste discrimination is established. It is not known whether this was the case at that time or whether the Ilangovadigal was trying to record such racial discrimination. Thus, the purpose of this article is to highlight the caste discrimination in Silapathikaram
Maximum power point tracking pada generator magnet permanen menggunakan fuzzy logic control
Authors: Hidayah Ismiyah Rahmawati , Yahya Sofian , Al Tahtawi Adnan Rafi
Published: May 2023

Generator merupakan salah satu jenis mesin listrik yang banyak digunakan pada sistem pembangkit tenaga listrik. Namun, seringkali generator memiliki efisiensi daya yang rendah akibat kondisi pembebanan maupun gangguan. Untuk mengoptimalkan daya generator, terdapat berbagai cara salah satunya dengan maximum power point tracking (MPPT). Pada penelitian ini, MPPT digunakan untuk memaksimalkan daya keluaran pada generator magnet permanen (PMSG). Penelitian ini bertujuan merancang dan membuat alat optimalisasi daya keluaran pada penyearah generator magnet permanen dengan kendali fuzzy logic control (FLC). Kendali FLC dirancang dengan masukan berupa error dan perubahannya. Setelah itu keluaran dari FLC akan berupa duty cycle yang akan menjadi masukan konverter DC-DC. Keluaran dari sistem ini berupa penambahan dan pengurangan duty cycle agar daya keluaran sama dengan daya masukan yang dapat dikendalikan oleh mikrokontroler Arduino Mega2560. Dari hasil pengujian, didapat bahwa MPPT telah berhasil menjejaki titik kerja keluaran dari penyearah sehingga mendapatkan daya keluaran hampir sama dengan daya masukan. Efisiensi yang didapat dari sistem dengan MPPT ini sebesar 94% jauh lebih baik daripada sistem tanpa MPPT sebesar 84%.
Smart pot untuk tanaman hias indoor berbasis aplikasi Android dan Telegram
Authors: Dewi Riyani Prima , Pratiwi Artdhita Fajar , Rosmeriana Fitriana
Published: May 2023

Setiap tanaman memiliki kebutuhan yang berbeda-beda, seperti kebutuhan sinar dan air dimana kedua hal ini sangat mempengaruhi hidup dari tanaman. Penyinaran dan penyiraman pada tanaman indoor umumnya masih dilakukan secara manual yaitu dengan mengeluarkan tanaman ke luar rumah agar mendapatkan pencahayaan. Keadaan seperti ini akan sangat merepotkan jika melihat kondisi fisik atau kesibukan dari pemilik tanaman. Dari permasalahan di atas, pada penelitian ini akan dirancang alat dimana kebutuhan penyinaran dan penyiraman dapat dikerjakan secara otomatis sekaligus dapat memonitoring kondisi tanah, suhu, kelembaban udara, dan level air, melalui aplikasi pada Android. Hasilnya berupa smart pot dengan sensor kelembaban tanah yang mendeteksi keadaan tanah di dalam pot. Jika tanah kering, maka pompa menyala dan tanaman tersiram dengan otomatis. Lampu menyala setiap pukul 09.00 WIB sampai 13.00 WIB dengan sensor DHT11 yang mampu mendeteksi suhu udara di sekitar pot. Hasil pengujian tingkat rata-rata error yaitu 0,956°C untuk pendeteksian suhu. Alat ini juga dilengkapi sensor ketinggian air yang dapat membaca ketersediaan air di dalam pot yang ditampilkan menggunakan LED bar. Dari hasil pengujian 5 bar menunjukan ketersediaan air 50% atau setengah dari ketersediaan air di dalam pot. Pengguna juga akan menerima peringatan melalui Telegram ketika kelembapan pot berada pada kondisi kurang dari set point yang sudah ditentukan.
PENGUATAN MASYARAKAT LITERASI MELALUI KOMUNITAS LITERASI “KARSA” DENGAN PENDEKATAN COMMUNITY BASED PARTICIPATORY RESEARCH (CBPR)
Authors: Fauzi Ahmad , Putri Nurlita Nindya , Nisa Alfiarany Choirun , Rohmah Alissa Qotrunnada , Daroja Febrina Zakiya , Ronan Heeba Alya , Ningsih Irma Setya , Ainiyah Miftahul , Fitri Vina Afrina , Shalsabila Shifa
Published: May 2023

The low interest in reading is still a serious problem faced by the Indonesian government. One of them occurred in Kandangan Village, Senduro District, Lumajang Regency. This was due to the lack of public awareness about the importance of literacy culture, lack of interest in learning, and limited facilities and infrastructure that supported reading activities. So that researchers were interested in studying reading interest through the formation of a literacy community. This study aims to describe the community as an intermediary medium for strengthening public interest in reading through the Community Service Program research program. The method used in this research was CBPR (Community Based Participatory Research) by involving the community in program implementation as partners. The result of this research was the formation of a literacy community which is intended as an intermediary media to increase public literacy, with this it is highly expected for the advancement of literacy, especially at SMPN 2 Senduro. Community strengthening was carried out through several actions, including FGD (Focus Groups Discussion), literacy socialization, establishment of reading house and KARSA literacy community. With this, it can make the sustainability of literacy culture in Kandangan Village.
PENGARUH MODAL, JUMLAH TENAGA KERJA, DAN LAMA USAHA TERHADAP PENDAPATAN PANGKALAN GAS DI KECAMATAN TABANAN TAHUN 2022
Authors: MARTA I NYOMAN GEDE
Published: May 2023

Tabanan sub-district has many small and medium entrepreneurs, one of their business fields, namely the entrepreneur of the LPG gas base. The aim of this study is to determine the effect of capital, number of workers and length of business partially and simultaneously on the income of LPG base entrepreneurs in Tabanan District, Tabanan Regency.This research was conducted on LPG gas base entrepreneurs in Tabanan District. The data analysis technique used in this study consisted of the classical assumption test and multiple linear regression analysis, multiple determination coefficient analysis, t-test and F-test.The results of the study show that capital (X1) has a positive and real influence on the income of LPG base entrepreneurs, because the t count is greater than t table and the significance is less than 5 percent. The number of workers has a positive and real influence on the income of the LPG base entrepreneur, and the significance is less than 5 percent. The length of business has a positive and real influence on the income of the LPG base entrepreneur, because the t count is greater than the t table and the significance is less than 5 percent. Based on the simultaneous test, F count is greater than F table, so the variable capital, number of workers and length of business simultaneously have a significant effect on the income of the LPG base entrepreneur in Tabanan District.
FAKTOR-FAKTOR YANG MEMPENGARUHI KESEJAHTERAAN MASYARAKAT DESA MELALUI PENGELOLAAN DANA DESA DI KECAMATAN PENEBEL
Authors: ASTAWA I NYOMAN WIDHYA , KASIH NI NYOMAN , ARTINI NI PUTU RANI
Published: May 2023

Community welfare can be realized through the success of economic development. Economic development is said to be successful if people's welfare increases. Community welfare includes a sense of security, there are public facilities that support the economy, income that encourages people's prosperity, and easy access to information. The purpose of this study is to analyze the effect of village characteristics, village economic development and village fund management on the welfare of the community in Penebel District. The method of determining the sample using non-probability sampling is purposive sampling method with a total sample of 54 respondents. The data collection method used a questionnaire with a Likert scale (5 scale). The data analysis technique used is path analysis.   The results showed that village characteristics did not significantly affect the management of Village Funds in Penebel District, village economic development significantly affected the management of Village Funds in Penebel District, village characteristics and village economic development significantly affected the welfare of rural communities in Penebel District, Fund management The village has no significant effect on the welfare of the village community in Penebel District.
ANALISIS DAN DISAIN PARKIR BERTINGKAT PADA KAWASAN WISATA CANGGU STUDI KASUS CENTRAL PARK CANGGU
Authors: SURYADARMAWAN I GUSTI AGUNG GDE , GIRI I KETUT SUDIPTA , ANANTA I PUTU BAGUS DEVA
Published: May 2023

The increase in tourist visits to Bali, especially Badung Regency, has caused many problems, one of which is the problem of parking. From these problems, researchers plan multi-storey parking to meet vehicle parking needs. object of research at Central Park Canggu, North Kuta. The research method used a field survey and the results showed 1) On Saturday the car accumulation was 78 vehicles, for motorbike accumulation was 78 vehicles and on Sunday the car accumulation was 129 vehicles, for motorbike accumulation was 91 vehicles, 2) On Saturday the car parking index was 123% with a capacity of 63 stalls, then an increase was made to 130 stalls to get a parking index of 60%, a motorcycle parking index of 144% with a capacity of 68 stalls, then an increase was made to 136 stalls to get a parking index of 57%, and on Sunday the car parking index was 204% with a capacity of 63 stalls, then an increase was made to 130 stalls to get a parking index of 99%, a motorcycle parking index of 133% with a capacity of 68 stalls, then an increase was made to 136 stalls to get a parking index of 66%.