bluuebunny/crossref_metadata_2025 huggingface dataset:
A Binocular Stereo-Imaging-Perception System with a Wide Field-of-View and Infrared- and Visible Light-Dual-Band Fusion
Authors: Zhu Youpan , Zhang Dan , Zhou Yongkang , Jin Weiqi , Zhou Lingling , Wu Guanlin , Li Yong
Published: January 2024

With the continuous evolution of autonomous driving and unmanned driving systems, traditional limitations such as a limited field-of-view, poor ranging accuracy, and real-time display are becoming inadequate to satisfy the requirements of binocular stereo-perception systems. Firstly, we designed a binocular stereo-imaging-perception system with a wide-field-of-view and infrared- and visible light-dual-band fusion. Secondly we proposed a binocular stereo-perception optical imaging system with a wide field-of-view of 120.3°, which solves the small field-of-view of current binocular stereo-perception systems. Thirdly, For image aberration caused by the wide-field-of-view system design, we propose an ellipsoidal-image-aberration algorithm with a low consumption of memory resources and no loss of field-of-view. This algorithm simultaneously solves visible light and infrared images with an aberration rate of 45% and 47%, respectively. Fourthly, a multi-scale infrared- and visible light-image-fusion algorithm is used, which improves the situational-awareness capabilities of a binocular stereo-sensing system in a scene and enhances image details to improve ranging accuracy. Furthermore, this paper is based on the Taylor model-calibration binocular stereo-sensing system of internal and external parameters for limit correction; the implemented algorithms are integrated into an NVIDIA Jetson TX2 + FPGA hardware framework, enabling near-distance ranging experiments. The fusion-ranging accuracy within 20 m achieved an error of 0.02 m, outperforming both visible light- and infrared-ranging methods. It generates the fusion-ranging-image output with a minimal delay of only 22.31 ms at a frame rate of 50 Hz.
Classification of Adventitious Sounds Combining Cochleogram and Vision Transformers
Authors: Mang Loredana Daria , González Martínez Francisco David , Martinez Muñoz Damian , García Galán Sebastián , Cortina Raquel
Published: January 2024

Early identification of respiratory irregularities is critical for improving lung health and reducing global mortality rates. The analysis of respiratory sounds plays a significant role in characterizing the respiratory system’s condition and identifying abnormalities. The main contribution of this study is to investigate the performance when the input data, represented by cochleogram, is used to feed the Vision Transformer (ViT) architecture, since this input–classifier combination is the first time it has been applied to adventitious sound classification to our knowledge. Although ViT has shown promising results in audio classification tasks by applying self-attention to spectrogram patches, we extend this approach by applying the cochleogram, which captures specific spectro-temporal features of adventitious sounds. The proposed methodology is evaluated on the ICBHI dataset. We compare the classification performance of ViT with other state-of-the-art CNN approaches using spectrogram, Mel frequency cepstral coefficients, constant-Q transform, and cochleogram as input data. Our results confirm the superior classification performance combining cochleogram and ViT, highlighting the potential of ViT for reliable respiratory sound classification. This study contributes to the ongoing efforts in developing automatic intelligent techniques with the aim to significantly augment the speed and effectiveness of respiratory disease detection, thereby addressing a critical need in the medical field.
Self-Biased Magneto-Electric Antenna for Very-Low-Frequency Communications: Exploiting Magnetization Grading and Asymmetric Structure-Induced Resonance
Authors: Leung Chung Ming , Zheng Haoran , Yang Jing , Wang Tao , Wang Feifei
Published: January 2024

VLF magneto-electric (ME) antennas have gained attention for their compact size and high radiation efficiency in lossy conductive environments. However, the need for a large DC magnetic field bias presents challenges for miniaturization, limiting portability. This study introduces a self-biased ME antenna with an asymmetric design using two magneto materials, inducing a magnetization grading effect that reduces the resonant frequency during bending. Operating principles are explored, and performance parameters, including the radiation mechanism, intensity and driving power, are experimentally assessed. Leveraging its excellent direct and converse magneto-electric effect, the antenna proves adept at serving as both a transmitter and a receiver. The results indicate that, at 2.09 mW and a frequency of 24.47 kHz, the antenna has the potential to achieve a 2.44 pT magnetic flux density at a 3 m distance. A custom modulation–demodulation circuit is employed, applying 2ASK and 2PSK to validate communication capability at baseband signals of 10 Hz and 100 Hz. This approach offers a practical strategy for the lightweight and compact design of VLF communication systems.
Knee Angle Estimation with Dynamic Calibration Using Inertial Measurement Units for Running
Authors: Rhudy Matthew B. , Mahoney Joseph M. , Altman-Singles Allison R.
Published: January 2024

The knee flexion angle is an important measurement for studies of the human gait. Running is a common activity with a high risk of knee injury. Studying the running gait in realistic situations is challenging because accurate joint angle measurements typically come from optical motion-capture systems constrained to laboratory settings. This study considers the use of shank and thigh inertial sensors within three different filtering algorithms to estimate the knee flexion angle for running without requiring sensor-to-segment mounting assumptions, body measurements, specific calibration poses, or magnetometers. The objective of this study is to determine the knee flexion angle within running applications using accelerometer and gyroscope information only. Data were collected for a single test participant (21-year-old female) at four different treadmill speeds and used to validate the estimation results for three filter variations with respect to a Vicon optical motion-capture system. The knee flexion angle filtering algorithms resulted in root-mean-square errors of approximately three degrees. The results of this study indicate estimation results that are within acceptable limits of five degrees for clinical gait analysis. Specifically, a complementary filter approach is effective for knee flexion angle estimation in running applications.
Analytical Model of the Connection Handoff in 5G Mobile Networks with Call Admission Control Mechanisms
Authors: Głąbowski Mariusz , Sobieraj Maciej , Stasiak Maciej
Published: January 2024

Handoff mechanisms are very important in fifth-generation (5G) mobile networks because of the cellular architecture employed to maximize spectrum utilization. Together with call admission control (CAC) mechanisms, they enable better optimization of bandwidth use. The primary objective of the research presented in this article is to analyze traffic levels, aiming to optimize traffic management and handling. This article considers the two most popular CAC mechanisms: the resource reservation mechanism and the threshold mechanism. It presents an analytical approach to occupancy distribution and blocking probability calculation in 5G mobile networks, incorporating connection handoff and CAC mechanisms for managing multiple traffic streams generated by multi-service sources. Due to the fact that the developed analytical model is an approximate model, its accuracy was also examined. For this purpose, the results of analytical calculations of the blocking probability in a group of 5G cells are compared with the simulation data. This paper is an extended version of our paper published in 17th ConTEL 2023.
Using Diffraction Deep Neural Networks for Indirect Phase Recovery Based on Zernike Polynomials
Authors: Yuan Fang , Sun Yang , Han Yuting , Chu Hairong , Ma Tianxiang , Shen Honghai
Published: January 2024

The phase recovery module is dedicated to acquiring phase distribution information within imaging systems, enabling the monitoring and adjustment of a system’s performance. Traditional phase inversion techniques exhibit limitations, such as the speed of the sensor and complexity of the system. Therefore, we propose an indirect phase retrieval approach based on a diffraction neural network. By utilizing non-source diffraction through multiple layers of diffraction units, this approach reconstructs coefficients based on Zernike polynomials from incident beams with distorted phases, thereby indirectly synthesizing interference phases. Through network training and simulation testing, we validate the effectiveness of this approach, showcasing the trained network’s capacity for single-order phase recognition and multi-order composite phase inversion. We conduct an analysis of the network’s generalization and evaluate the impact of the network depth on the restoration accuracy. The test results reveal an average root mean square error of 0.086λ for phase inversion. This research provides new insights and methodologies for the development of the phase recovery component in adaptive optics systems.
Proximity-Based Optical Camera Communication with Multiple Transmitters Using Deep Learning
Authors: Nasution Muhammad Rangga Aziz , Herfandi Herfandi , Sitanggang Ones Sanjerico , Nguyen Huy , Jang Yeong Min
Published: January 2024

In recent years, optical camera communication (OCC) has garnered attention as a research focus. OCC uses optical light to transmit data by scattering the light in various directions. Although this can be advantageous with multiple transmitter scenarios, there are situations in which only a single transmitter is permitted to communicate. Therefore, this method is proposed to fulfill the latter requirement using 2D object size to calculate the proximity of the objects through an AI object detection model. This approach enables prioritization among transmitters based on the transmitter proximity to the receiver for communication, facilitating alternating communication with multiple transmitters. The image processing employed when receiving the signals from transmitters enables communication to be performed without the need to modify the camera parameters. During the implementation, the distance between the transmitter and receiver varied between 1.0 and 5.0 m, and the system demonstrated a maximum data rate of 3.945 kbps with a minimum BER of 4.2×10−3. Additionally, the system achieved high accuracy from the refined YOLOv8 detection algorithm, reaching 0.98 mAP at a 0.50 IoU.
Anomaly Detection IDS for Detecting DoS Attacks in IoT Networks Based on Machine Learning Algorithms
Authors: Altulaihan Esra , Almaiah Mohammed Amin , Aljughaiman Ahmed
Published: January 2024

Widespread and ever-increasing cybersecurity attacks against Internet of Things (IoT) systems are causing a wide range of problems for individuals and organizations. The IoT is self-configuring and open, making it vulnerable to insider and outsider attacks. In the IoT, devices are designed to self-configure, enabling them to connect to networks autonomously without extensive manual configuration. By using various protocols, technologies, and automated processes, self-configuring IoT devices are able to seamlessly connect to networks, discover services, and adapt their configurations without requiring manual intervention or setup. Users’ security and privacy may be compromised by attackers seeking to obtain access to their personal information, create monetary losses, and spy on them. A Denial of Service (DoS) attack is one of the most devastating attacks against IoT systems because it prevents legitimate users from accessing services. A cyberattack of this type can significantly damage IoT services and smart environment applications in an IoT network. As a result, securing IoT systems has become an increasingly significant concern. Therefore, in this study, we propose an IDS defense mechanism to improve the security of IoT networks against DoS attacks using anomaly detection and machine learning (ML). Anomaly detection is used in the proposed IDS to continuously monitor network traffic for deviations from normal profiles. For that purpose, we used four types of supervised classifier algorithms, namely, Decision Tree (DT), Random Forest (RF), K Nearest Neighbor (kNN), and Support Vector Machine (SVM). In addition, we utilized two types of feature selection algorithms, the Correlation-based Feature Selection (CFS) algorithm and the Genetic Algorithm (GA) and compared their performances. We also utilized the IoTID20 dataset, one of the most recent for detecting anomalous activity in IoT networks, to train our model. The best performances were obtained with DT and RF classifiers when they were trained with features selected by GA. However, other metrics, such as training and testing times, showed that DT was superior.
Changes in the Sprint, Vertical Jump and Quadriceps Strength after a Capacitive Resistive Electric Transfer Therapy Intervention—A Randomized Clinical Trial
Authors: Canet-Vintró Max , Rodríguez-Sanz Jacobo , López-de-Celis Carlos , Hidalgo-García César , Oviedo Guillermo R. , Rodríguez-Rodríguez Sergi , Pérez-Bellmunt Albert
Published: January 2024

Generating large mechanical power during actions such as sprinting or jumping is a crucial factor in many sports. These types of actions require a good warm-up activation. Capacitive-Resistive Electric Transfer (CRET) is a non-invasive therapy based on the application of radio frequency electric currents within the range of 300 kHz–1.2 MHz to accelerate tissue metabolic activity. This study aimed to evaluate the effectiveness of adding CRET to an active warm-up protocol in young adult athletes. For the double-blind randomized clinical trial, 60 healthy athletes were recruited and divided into an Experimental group (EG) and a Sham group (SG). EG received a CRET protocol in addition to an active warm-up. SG carried out the same warm-up but with a placebo CRET. The main outcome measures were isometric extension force, countermovement-jump (CMJ), 30 m-sprint test, and surface electromyography (sEMG). There is no statistically significant interaction (group–time) for any of the variables studied. Significant main effects for time were found in isometric extension force (p = 0.008); 30 m sprint (p = 0.017); rectus femoris sEMG during CMJ (p = 0.002); vastus lateralis sEMG during CMJ (p = 0.012); vastus medialis during CMJ (p = 0.010) and rectus femoris sEMG during the 30 m sprint test (p = 0.012). Non-significant differences between means are observed in the isometric extension force (48.91 EG; 10.87 SG) and 30 m sprint (−0.13 EG; −0.04 SG) variables. To conclude, a non-significant tendency was observed in sprint and quadriceps strength following CRET therapy, compared to the individuals’ pre-treatment state. Future research should use more treatment sessions to observe this tendency.
Research on the Product Positioning Strategy of the Independent Seller under Platform Encroachment
Authors: Wang Ziyan , Yang Tianjian
Published: January 2024

The platform owner promotes the transaction between independent sellers and consumers, while entering the marketplace of independent sellers to compete with them for consumers. Faced with the threat of platform encroachment, independent sellers establish their own competitive advantages through ex ante category quality selection and ex post product differentiation. This study discusses how independent sellers should determine product positioning (including vertical and horizontal dimensions) in the face of platform category encroachment. We establish a game model and determine the best strategy. In addition, we develop a multi-agent model to reach conclusions for more complex market situations. We show that when the consumer’s platform preference is low, the independent seller is willing to locate in the high-end product market; otherwise, the independent seller is willing to locate in the low-end product market. In a competitive environment, when consumers’ ideal preferences are concentrated, the independent seller vertically positions in the low-end product market and horizontally positions close to the concentrated area of consumers’ ideal preferences. Similarly, the platform owner is more likely to encroach on the low-end product market. However, the independent seller positions in the high-end product market with greater horizontal differentiation, and the platform owner’s motivation to encroach is weakened.
Chronology Protection in f(T) Gravity: The Case of Gott’s Pair of Moving Cosmic Strings
Authors: Fiorini Franco
Published: January 2024

As a consequence of the spacetime structure, defined by the tetrad field instead of the metric tensor alone, f(T) gravity seems to harbor its own chronology protection agency. When Gott’s pair of moving cosmic strings is considered, it is shown that the requirement of having a global parallelization—i.e., a global smooth field of tetrads– drastically restricts the form of the tetrads on the junction surface between the two strings. The junction conditions on the tetrad field are satisfied only if the corresponding boosts needed to put the strings in motion are null on the matching surface. This seems to throw overboard Gott’s construction from the outset without the need for analyzing the divergence of the expectation value of the energy–momentum tensor on the Cauchy horizon, evading in this way bothersome quarrels concerning the choice of vacuum.
Immunity to Tick-Borne Encephalitis Virus NS3 Protein Induced with a Recombinant Modified Vaccinia Virus Ankara Fails to Afford Mice Protection against TBEV Infection
Authors: Kubinski Mareike , Beicht Jana , Gerlach Thomas , Aregay Amare , Osterhaus Albert D. M. E. , Tscherne Alina , Sutter Gerd , Prajeeth Chittappen Kandiyil , Rimmelzwaan Guus F.
Published: January 2024

Tick-borne encephalitis (TBE) is a serious neurological disease caused by TBE virus (TBEV). Because antiviral treatment options are not available, vaccination is the key prophylactic measure against TBEV infections. Despite the availability of effective vaccines, cases of vaccination breakthrough infections have been reported. The multienzymatic non-structural protein 3 (NS3) of orthoflaviviruses plays an important role in polyprotein processing and virus replication. In the present study, we evaluated NS3 of TBEV as a potential vaccine target for the induction of protective immunity. To this end, a recombinant modified vaccinia virus Ankara that drives the expression of the TBEV NS3 gene (MVA-NS3) was constructed. MVA-NS3 was used to immunize C57BL/6 mice. It induced NS3-specific immune responses, in particular T cell responses, especially against the helicase domain of NS3. However, MVA-NS3-immunized mice were not protected from subsequent challenge infection with a lethal dose of the TBEV strain Neudoerfl, indicating that in contrast to immunity to prME and NS1, NS3-specific immunity is not an independent correlate of protection against TBEV in this mouse model.
Open Approach to the Transversus Abdominis Plane in Horses: A Cadaver Feasibility Study
Authors: Aitken Maia R. , Floriano Dario A. , Hopster Klaus
Published: January 2024

The study’s objective was to evaluate the feasibility and dispersion of an open approach to the transversus abdominis plane (TAP) block in eight adult equine cadavers. A ventral midline incision was made, starting 2 cm cranial to the umbilicus and extending 25 cm cranially. In total, 0.5 mL/kg of new methylene blue (NMB) was injected per horse, divided into six injections. Using an 18 g, 8 cm Tuohy needle, three injections were made per side. The needle was guided blindly into the TAP using palpation. A 60 mL syringe was attached directly to the needle, depositing ~0.08 mL/kg at each site. The time to complete the injections was recorded for each cadaver. Following injection, the ventral body wall was dissected to determine if the dye was present within the TAP space as well as to measure the extent of the dispersion of the dye, the cranial to caudal extent, and the width of the dye’s spread. Complete deposition of NMB into the TAP (six of six sites) was achieved in 5/8 horses. The median time needed to perform all the injections was 263 s. Increased adiposity (retroperitoneal fat) was associated with unsuccessful injections. This approach to the TAP was easily and quickly performed, though less successful in horses with increased retroperitoneal fat and increased BCS.
SiO₂/ZnO Photocatalysts tailored by sonication for Rhodamine B removal in effective wastewater treatment
Authors: Monika Dea Putri , Zelfina Ilma , Khair Miftahul
Published: January 2024

Este estudo investiga a remoção eficiente de corante rodamina B de águas residuais usando fotocatalisadores de SiO₂/ZnO sintetizados via sonicação com carga variada de nitrato de zinco (5%-25% em relação à massa de sílica). O catalisador preparado com 10% de nitrato de zinco e um tempo de sonicação de 10 minutos alcançou uma remoção notável de 93,35% do corante. Este bom desempenho é atribuído ao método ultrassônico, que facilita a dispersão melhorada e acessibilidade de locais ativos na superfície do catalisador. A caracterização do infravermelho de transformada de Fourier (FTIR) do catalisador ideal confirmou a presença de ZnO através de um modo de vibração de alongamento Zn-O característico a 470,41 cm⁻¹. Esses achados destacam o potencial promissor de fotocatalisadores de SiO₂/ZnO sob medida sintetizados com assistência ultrassônica para o tratamento ecologicamente correto de águas residuais contaminadas com corantes.
ANALISIS PENGGUNAAN LIVE SHOPPING TIKTOK DALAM MENDORONG MINAT BELI KONSUMEN SKINTIFIC
Authors: Lenggihunusa Audy Yudistira , Sanadi Evelyn , Raharja Sam’un Jaja , Auliana Lina , Hakim Marsha Aulia
Published: January 2024

In this study, the impact of Live Shopping on sales strategies, particularly within the skincare industry focusing on Skintific, was explored. Qualitative exploratory research involving interviews and observations of 7 consumers revealed that Live Shopping influences purchase interest through direct discounts, direct interaction with hosts, and detailed product explanations. Its influence was reflected in increased transactional, referential, preferential, and exploratory interest of consumers in Skintific products. Factors such as streamer credibility, interactivity, and the richness of media information also influenced purchase decisions. The research findings confirm that Live Shopping on TikTok is effective in influencing consumer purchase interest in skincare products such as Skintific.

Keywords: Live Shopping, Purchase Interest, Digital Marketing
Effect of OHS Criteria on Selection of Concrete Additives in Mine Ore Construction Works
Authors: ORAL Tuğçe , BİNGÖL Nuri
Published: January 2024

Construction, mining or tunneling projects in Türkiye are defined as workplaces in the very dangerous class due to their physical power needs. For this reason, metal ore mining, mining supporting service activities, sewage, external construction, special construction activities, construction and landscaping activities are the sectors where occupational accidents are most common. While determining the necessary materials or work equipment during the planning phase of the works in these sectors, making decisions by evaluating the effect of "occupational health and safety" will contribute to the reduction of accidents. This research consists of two parts. In the first part, accident frequency rates were calculated by using data related to metal ore mining, mining supporting service activities, sewerage, external structure, special construction activities, building and landscaping projects between 2012 and 2019. Thus, the relationship between occupational accidents experienced as of the adoption of the Occupational Health and Safety Law has been determined. In the second part, it is tried to gain a different perspective by adding occupational health and safety factor to the Analytical Hierarchy Process (AHP), which is one of the multi-criteria decision-making methods. As a result of the research, it has been determined that "occupational health and safety" criteria are given priority according to cost and engineering advantages in alternative product/material comparisons in mines or construction works.
The Effect of Antimicrobial Extract on The Characteristics of Tomatoes Coated by Edible Coating based on Tapioca Flour
Authors: Yulistiani Fitria , Nurarofah Adela Putri , Azzahra Fadila Isra , Rispiandi
Published: January 2024

The edible coating is a food coating material inhibitor of transpiration and respiration. Layer is not fully effective in preventing food spoilage. The spoilage process can occur more quickly if fruit with high moisture content has infected. The research aimed to determine optimum concentration of antimicrobial extract in maintaining shelf life and shrinkage of tomatoes, dominant bacteria in fruit spoilage, between Escherichia coli or staphylococcus. Figure out antimicrobial extracts that are effective in preventing microbial growth. Research begins with the extraction process, testing the active compounds in the extract, combining edible coatings and white turmeric and bitter melon extract with concentrations of 0%, 2.5%, 5%, 10%, 20%, 30%, and 100 respectively), tomato fruit coating. The tests included shelf life, weight loss, best antimicrobial extract, and inhibition diameter. The results more concentration of the extract made the shelf life longer to 14 days and reduced shrinkage by 3.53%. Secondary metabolite compounds in the form of saponins, steroids, and triterpenoids. The minimum concentration of 30% bitter melon and white turmeric extract to prevent bacterial activity and the diameter of the inhibition zone in the range of 10-12 mm showed the extract had the moderate ability. The more dominant bacteria in tomato fruit rot is Staphylococcus aureus.
Potential of Reducing CO2 Emission Using Parabolic Trough Collector for 13.75MW Desalination Processes
Authors: I Putu Arya Krisnatama , Mursid Sri Paryanto , Widarti Sri
Published: January 2024

Desalination is an important process in fulfilling the freshwater demands of both the industrial sector and human needs. Typically, thermal desalination processes rely on fossil fuels to minimize production costs. However, using fossil fuel in desalination contributes to releasing CO2 emissions into the atmosphere. Therefore, it is essential to utilize renewable energy sources to mitigate the production of CO2 emissions. To reduce CO2 emissions research has been conducted to explore the potential use of parabolic trough solar collectors in harnessing available solar energy at the power plant site for thermal desalination processes which required 13.75 MW of thermal energy. The study utilized the system advisor model software to assess the collector’s system performance. The research findings indicate that 416 units of parabolic trough solar collectors are required to fulfill the thermal power needs. The presence of these solar collectors has the potential to generate 26.06 GWh of thermal power, thereby reducing coal consumption by 5,740.4 metric tons per year and directly lowering CO2 emissions by 13,892 metric tons per year.
Mesterséges intelligencia az oktatásban
Authors: Szabóné Balogh Ágota
Published: January 2024

A 21. század nagy kérdése az, hogy a mesterséges intelligenciának (MI) milyen szerepe van az oktatásban, és milyen lehetőségei lesznek a jövőben. Megjelenhet szoftverként vagy optimalizált hardverként. E szerep lehet személyre szabott tanulás, folyamatos értékelés, visszajelzés, virtuális asszisztensek, minták és erőforrások kutatása, chat robotok, érzelemelemzés, vagy akár hang- vagy képfelismerés és feliratozás a sajátos nevelési igényű gyermekek támogatására. A szerző bemutatja a tanulási és tanítási folyamatban rejlő lehetőségeket. Rámutat a kockázatokra, a korlátokra, a tanári szerep változására is.
Az óvodaügy kérdésköre a második tanügyi kongresszuson (1896), és visszhangja a korabeli pedagógiai sajtóban
Authors: Patyi Gábor
Published: January 2024

Majdnem fél évszázaddal az elsőt követően, 1896-ban, a millenniumi ünnepségek évében rendezték meg a második nevelésügyi kongresszust hazánkban. Mint a vonatkozó szakirodalmakból ismert, az 1848 nyarán rendezett első magyarországi egyetemes tanítógyűlésen az óvodai nevelés és az óvodapedagógus-képzés kérdései nagy jelentőséggel bírtak. A kutatás tanulmányunkban összefoglalt, főbb eredményei a következők: az óvodaügy kérdései és képviselői az első kongresszussal összevetve kisebb súlyt kaptak ezen a századvégi gyűlésen, bár volt egy önálló szakosztályuk. Talán az óvó- és tanítóképzés egyesítése volt a leginkább előremutató javaslat, ez azonban később nem vált valósággá. Főképp az óvodapedagógiai sajtóorgánum, a Kisdednevelés foglalkozott a kongresszus óvodaügyi vonatkozásaival.
Óvónőképzés, óvodai hospitálás-gyakorlat az 1930-as évek elején
Authors: Hartl Éva
Published: January 2024

Az 1891. XV. törvénycikk hazánkban rendezte a kisdedóvás ügyét. A középfokú kétéves kisdedóvóképzés eredményeként kötelező lett az óvodai munkába lépéshez az oklevél bemutatása. A századfordulón Sopronban a leánynevelés terén az Orsolyita Rend mellett az Irgalmas Rend játszott nagy szerepet. 1899-től az Isteni Megváltó Leányainak Soproni Anyaházában Fennálló Róm. Kath. Tanító- és Óvónőképző Intézet óvónőképzőjében a tanítás az 1926/1927-es tanévig két, 1927 és 1931 között három, majd 1931-től négy évfolyamúvá bővült. Az iskola épülete a tanulói létszámok, a tanulmányi idő megnyúlása, és az új iskolatípusok (például női felső kereskedelmi iskola) létesítésének következtében időközben kicsinek bizonyult, emiatt új épület építésére volt szükség. Az ügyet gróf Klebelsberg Kunó kultuszminiszter – pártfogolta és pénzbeli támogatásával is felkarolta, – melynek eredményeképpen 1927-ben elkészült az új épület, a Szent József Intézet a Fürdő utcában, a mai Ferenczy János utcában. Az épületben kapott helyet az óvónőképző, a kereskedelmi- és az ipariskola, de a Rendi Elöljáróság a hely további szűkösségére hivatkozva, az új épületében, csupán két termet bocsátott az intézet rendelkezésére, emiatt az intézetben csak kétévente tudtak első osztályt indítani. A helyhiány miatt az 1931/1932-es tanévben ezért csak két évfolyam: a II. és IV. osztály működött, melyből a II. osztály nagy létszámú volt. Az óvodai gyakorlat a tantárgyak között végig kísérte a teljes tanulmányi időt. A gyakorlati képzés, a megfelelő jártasság megléte a képesítés megszerzésének elengedhetetlen, fő követelménye volt. De vajon hogyan készítették fel a növendékeket ezen a területen? Mit vártak el a hospitáláson egy II. osztályos tanulótól? Milyen megfigyelési szempontokat és gyakorlati feladatokat fogalmaztak meg a számukra? Milyen tapasztalatokat és élményeket szerzett a növendék az óvodáról, a gyerekekről? Hogyan sikerült a feladatokat a tanulónak megoldania? Az iskolai értesítőkből ezekre a kérdésekre nem kapunk választ. A feltett kérdések megválaszolásához egy, az 1931/1932-ből származó egykori hospitálási füzet és feljegyzéseinek elemzése segít hozzá.
ANALYSIS ON ERGONOMIC ISSUES AMONG UNIVERSITY’S ACADEMIC STAFF
Authors: Chow Hao Xian , Mohd Nawi Nur Syazwani
Published: January 2024

Prevalence of Musculoskeletal Disorders (MSDs) was on the rise in Malaysia because of ergonomic issues. This research aims to analyse the factors that cause ergonomic issues among academic staffs in University Utara Malaysia (UUM), to observe the musculoskeletal pain among academic staffs at workplace in University Utara Malaysia (UUM). This research is conducted using the qualitative method where each respondent will be given a set of questionnaires to answer, and the researcher makes observation and semi structured interview. An assessment tool called the Rapid Entire Body Assessment (REBA) is used to assess the likelihood of developing musculoskeletal disorders (MSDs) while doing particular job-related duties. There are 12 respondents participated in this research which they work as a academic staff under the School of Technology Management & Logistic (STML) in University Utara Malaysia (UUM). The data that the researcher had collected and analyzed will be presented in the form of tables and graphs or both. The result shows that only 2 respondents have a medium risk level and corrective action is necessary, and the rest of the 10 respondents have low risk level and corrective action may be necessary. The findings of this research highlighted the ergonomic issues in the workplace of the academic staffs and raised the awareness about the importance of ergonomics.
Performance improvement in reservoir computing by using HfZrO2 FeFETs through operating voltage optimization
Authors: Min Shin-Yi , Toprasertpong Kasidit , Nako Eishin , Nakane Ryosho , Takenaka Mitsuru , Takagi Shinichi
Published: January 2024

We have investigated how the parameters of an input gate voltage (V
g) waveform and a drain voltage (V
d) impact the performance of reservoir computing (RC) using a Hf0.5Zr0.5O2 ferroelectric FET (FeFET). The RC performance is maximized by the high swing amplitude of the V
g and the most symmetrical polarization switching condition in the triangular-shaped input waveform, obtained by the center V
g of 0.5 V, because of the enhanced polarization switching of the FeFETs. Regarding the V
d dependence, the amount of the drain current and polarization switching have a trade-off relationship. As a result, a moderate V
d of 1.0 V becomes optimum in terms of the RC performance because a difference in drain current responses between different gate input patterns is maximized with this V
d. Furthermore, high computing capacities are achieved by combining the above optimal bias condition with drain current responses to both original and inverted gate input patterns.
A low-temperature photoresist-based film-profile engineering scheme for fabricating bottom- and double-gated indium–gallium–zinc oxide TFTs
Authors: Liu Ping-Che , Lin Po-Jung , Chen Yu-Chi , Chen Chien-Wei , Kei Chi-Chung , Li Pei-Wen , Lin Horng-Chih
Published: January 2024

We proposed a novel low-temperature (<110 °C) process scheme based on the film-profile engineering technique for fabricating indium–gallium–zinc oxide thin-film transistors (TFTs) with both bottom-gated (BG) and double-gated (DG) configurations. An organic photoresist (PR) suspended bridge is constructed to shadow the depositing species during the deposition processes of the bottom gate-oxide, channel, and source/drain metal films. An Al2O3 layer deposited at 110 °C using atomic-layer deposition is employed as the bottom gate-oxide layer. Such a low-temperature process allows us to deposit the Al2O3 layer following the formation of the PR suspended bridge, preventing the formation of organic residues between the gate-oxide and channel layers. As a result, excellent device performance in terms of field-effect mobility of 12.1 cm2 V−1 s−1 and subthreshold swing of 141 mV/dec is achieved. Our proposed low-temperature process scheme is readily applicable for fabricating DG TFTs which show substantial enhancements in driving currents.
Pemberdayaan Masyarakat Melalui Revitalisasi Nasi Berkat Berwadah Besek di Kampung Budaya Polowijen
Authors: Dewi Dian Candra , Gunarianto  , Mas Nasharudin , Budiarsono Emilia Johansyah , Khuluqiya Nadifa Fania , Wahyu Novalita , Rahmadani
Published: January 2024

Polowijen Cultural Village is one of the thematic villages which is a tourist destination in Malang City. However, the renewal of local heritage in this village still does not have identification so there will be a rebranding of the Nasi Berkat renewal in the village. The aim of this update is to increase culinary appeal and preserve local heritage. Based on statistical data from the Malang City Culture and Tourism Office, the number of visitors to Polowijen Cultural Village shows a significant increasing trend. In 2015, the number of visitors only reached 1,500 people, but in 2022, there will be an increase of more than 1,566% to reach 25,000 people. This increase shows that efforts to develop this cultural village are starting to produce extraordinary results. This update involves various steps, from identifying local ingredients to promoting culinary destinations. This program is implemented through a rebranding method which includes: (1) Strengthening Identity and Quality, (2) promotion and marketing, (3) Monitoring and evaluation. This dedication notes the update method, results, and expected implications. This article provides a detailed look at successful update methods and hopes for the future. It can also be a source of inspiration for other communities looking to strengthen their local heritage through culinary innovation, while still upholding traditional values.
Studies of the acoustic activity of white whales (in captive conditions and the possibility of their signals using to control behavior of fish in fishing process
Authors: Kuznetsov M. Yu. , Gushcherov P. S. , Shevtsov V. I.
Published: January 2024

The purpose of the work: identification of acoustic activity of belugas in conditions of aviary keeping and justification of the possibility of using their signals in fishing.

The material of research was digital audio recordings of hydroacoustic signals of belugas collected from 2016 to 2018.

Methods used: analysis of hydroacoustic data, visualization of the daily acoustic activity of belugas in different seasons, identification of stereotypes of acoustic behavior and characteristic signals in captive conditions and during fish hunting. Novelty: for the first time a substantiation for the possibility of using signals of one of the species of toothed whales — belugas registered in the captive conditions, to influence on the behavior of hydrobionts and solve practical problems of fishing and fish protection is given.

Results: the highest acoustic activity of white whales is observed during the day and noticeably decreases at night with increase and decrease in the morning and evening hours. Maximum acoustic activity precedes the feeding of dolphins.

The most common tones are those containing the fundamental frequency and harmonics. Characteristic features of the sounds are high variability of duration from 0.25 to 2.5 s, pronounced frequency components in the 500–2500 Hz spectrum zones, amplitude and frequency modulation, sound pressure levels of the signal up to 500 Pa /1 m.

Acoustic activity of belugas during fish hunting and in the period preceding feeding in captive conditions, stereotypical. Typical are low-frequency frequency-modulated calls and whistles in the hearing range of fish, as well as a curtain of air bubbles and body and tail slaps. Possible ways of using beluga whale signals to increase the efficiency of fishing are proposed.

Practical significance: the results of the study open up the possibility of using the signals of belugas to remotely control the movement of fish, create artificial concentrations and deterrent of hydrobionts in the intended areas.
Identifikasi Morfologi dan Molekuler Tanaman Salak di Kecamatan Tanah Grogot Kabupaten Paser Kalimantan Timur
Authors: Noor Sri Maulidah , Effendi Hamka
Published: January 2024

ABSTRAK

Salak merupakan tanaman tropic asli Indonesia yang buahnya disukai masyarakat dan mempunyai prospek baik untuk diusahakan. Pengembangan salak di Desa Padang Pangrapat Kabupaten Paser dimulai sejak tahun 1994, dengan benih yang berasal dari Jawa Tengah sehingga lebih dikenal dengan “Salak Pondoh Super Paser”, Pengamatan ini bertujuan untuk mengetahui identitas varietas salak di Desa Padang Pangrapat. Pengamatan dilaksanakan bulan Mei – Juli 2022 dengan memilih 3 sampel tanaman dengan 2 pembanding RIP salak (Varietas Pondoh dan Varietas Nglumut), parameter yang diamati karakter terna, daun, bunga, buah dan produksi. Kegiatan dilakukan melalui 2 tahapan yakni observasi lapangan dan Uji DNA. Berdasarkan pengamatan karakterisasi morfologi dan Uji DNA menunjukkan tingkat kemiripan salak Desa Padang Pangrapat dengan Salak Varietas Nglumut sebesar 85,4%.
Analisis Indeks Kualitas Tanah pada Lahan Sawah di Desa Cipta Graha, Kecamatan Kaubun
Authors: Triadiawarman Dian , Amprin Amprin , Sinta Komang
Published: January 2024

Tujuan penelitian untuk mengetahui kulitas tanah dan arah pemanfaatannya di lahan sawah. Penelitian dilaksanakan mulai September sampai dengan November 2021 di lahan sawah Kelompok Tani Handil Sukamaju (Desa Cipta Graha, Kecamatan Kaubun, Kab Kutai Timur). Metode yang digunakan adalah metode survey dan penentuan kelas kualitas tanah menggunakan metode Lal. Analisis tanah dilakukan di Laboratorium Ilmu Tanah, Fakultas Pertanian, Universitas Mulawarman. Hasil penelitian menunjukkan BV SPL 1, 2, 3, 4, 5, 6, 7, 8 tanpa faktor pembatas. Tekstur tanah Loam, Silty Loam - Silty Clay Loam. Porositas tanah 47,43% – 55,51%. pH tanah SPL 1, 2 dan 6, tergolong faktor tanpa pembatas hingga faktor pembatas sedang. SPL 3, 4, 5, 7 dan 8 tergolong faktor pembatas berat hingga faktor pembatas ekstrem. KTK SPL 1, 2, 6 tergolong faktor tanpa pembatas hingga faktor pembatas berat. SPL 3, 4, 5, 7, 8 tergolong faktor pembatas ekstrim. KB tanah seluruh SPL tergolong faktor pembatas ringan hingga faktor pembatas sedang. P tersedia seluruh SPL tergolong faktor pembatas ekstrim. N total seluruh SPL tergolong faktor pembatas sedang hingga faktor pembatas berat. C organik tergolong faktor pembatas ringan hingga faktor pembatas sedang. C-biomassa seluruh SPL tergolong faktor pembatas ekstrim. Berdasarkan hasil analisis sifat fisik, kimia dan biologi tanah yang disesuaikan dengan faktor pembatas dan bobot relatif maka diperoleh hasil Indeks Kualitas Tanah : SPL 1, 2, 5 dan 6 tergolong kualitas tanah sedang, SPL 3, 4, 7 dan 8 tergolong kualitas tanah buruk. Perbaikan kualitas tanah dapat dilakukan dengan pemberian bahan organik dari limbah pertanian
Penambahan Kombinasi Spirulina dan Tepung Wortel Pada Pakan Udang Rebon Terhadap Tingkat Kecerahan Warna dan Pertumbuhan Ikan Koi (Cyprinus carpio)
Authors: Sukmawati Sukmawati , Sukarti Komsanah , Pagoray Henny
Published: January 2024

Ikan Koi merupakan ikan hias air tawar yang banyak diminati karena memiliki ragam pola dan kombinasi warna yang indah. Salah satu upaya untuk meningkatkan kualitas warna adalah dengan menambahkan sumber pigmen warna dalam pakan yang akan membantu proses peningkatan warna pada tubuh ikan. Penelitian ini bertujuan untuk menentukan dosis optimal penambahan kombinasi Spirulina dan tepung wortel pada pakan terhadap tingkat kecerahan warna dan pertumbuhan ikan Koi. Penelitian ini menggunakan rancangan acak lengkap (RAL) yang terdiri dari empat perlakuan dan tiga ulangan. Dosis kombinasi yang digunakan pada masing-masing perlakuan yaitu P1 (100% tepung udang rebon), P2 (60% tepung udang rebon + 5% Spirulina + 35% tepung wortel), P3 (60% tepung udang rebon + 10% Spirulina + 30% tepung wortel) dan P4 (60% tepung udang rebon + 15% Spirulina + 25% tepung wortel). Penelitian dilakukan selama 30 hari dengan frekuensi pemberian pakan yang dilakukan sebanyak 4 kali sehari pada pukul 08.00 pagi, 12.00 siang, 16.00 sore dan 20.00 malam. Pakan diberikan pada ikan sekenyang-kenyangnya (Ad-Satiation). Hasil penelitian menunjukkan bahwa penambahan kombinasi Spirulina dan tepung wortel pada pakan udang rebon berpengaruh nyata terhadap perubahan level warna TCF (Toca Colour Finder), perubahan dimensi warna merah (red), pertumbuhan panjang dan pertumbuhan berat pada ikan Koi (P˂0,05) tetapi tidak berpengaruh nyata terhadap perubahan kecerahan warna L*a*b* Koi (P>0,05). Perubahan level warna TCF (Toca Colour Finder), perubahan dimensi warna merah (red), perubahan kecerahan warna L*a*b*, pertumbuhan panjang dan pertumbuhan berat tertinggi terdapat pada P3 (60% tepung udang rebon + 10% Spirulina + 30% tepung wortel)
Trasformazioni, valori e regole del lavoro
Authors: Del Punta Riccardo
Published: January 2024

The volume includes a selection of contributions that are part of Riccardo Del Punta’s varied reflections on the classic themes of labour law and are grouped into six distinct thematic sections, inspired by the systematics of his handbook. The book opens with an introduction by William Chiaromonte, who guides the reader through the development of Del Punta’s thematic reflection, and with the incomparable “Introduction” to his handbook, through which the Author explicates – ideally dialoguing with his students – the method he follows to orient himself in the complex world of labour law and, more generally, his own essence as a jurist.
In-Vivo Antidiarrhoea Evaluations of Methanol Leaf Extract and Fractions of Chrysophyllum albidum
Authors: Perpetual Ezeihuaku Amaka , Ifedibaluchukwu Ejiofor InnocentMary , Lotanna Ajaghaku Daniel , Obodike Ezugwu Christopher , Ifeoma Ibe Chioma
Published: January 2024

Background and Objectives: In Nigeria, traditional use of medicinal plants, like Chrysophyllum albidum, for diarrhoea persists. This study assessed its effectiveness in treating diarrhoea in rats. Methods: Extract and Fractions from the plant were tested for antidiarrhoea effect. The process involved methanol extraction and fractionation using hexane, ethyl acetate, and butanol. Rat models were used to evaluate the effects on castor oil-induced diarrhoea, enteropooling, and gastrointestinal motility. Results: Defecation caused by castor oil-induced diarrhoea was inhibited significantly by 53.55, 78.48 and 74.69 % at 500 mg/kg of methanol extract, ethyl acetate, and n-hexane fraction respectively, and by 50.99 and 63.69 % at 250 and 500 mg/kg of butanol fraction respectively. The volume of intestinal content and weight of intestinal content were reduced by 76.74 and 80 % at 500 mg/kg of ethyl acetate fraction. Also, the volume of intestinal content and weight of intestinal content were reduced by 70.93 and 70.83 % at 500 mg/kg of n-hexane fraction. At 250 and 500 mg/kg, the ethyl acetate fraction inhibited intestinal motility by 58.65% and 76.50% respectively. The n-hexane fraction at 500 mg/kg showed a 66.35% inhibition. Conclusion: These fractions from Chrysophyllum albidum leaves exhibit potential antidiarrhoea compounds, as evidenced across all three study models. Ongoing research aims to isolate these compounds for further investigation.