bluuebunny/crossref_metadata_2025 huggingface dataset:
Impacto de la inteligencia artificial en los ciberataques
Authors: Zambrano Rendón Aura Dolores
Published: October 2024

El articulo se enfoca en analizar cómo la inteligencia artificial (IA) influye en el campo de la ciberseguridad, explorando tanto sus beneficios como sus riesgos, y, comprender cómo la IA ha sido empleada por actores maliciosos para llevar a cabo ciberataques más avanzados, así como identificar las técnicas de explotación de IA utilizadas en estos ataques. La investigación se basó en la recopilación de información actualizada, priorizando artículos en español de los últimos cinco años, aplicando criterios específicos para seleccionar artículos relacionados con fake news, ataques de phishing y robo de identidad, además, se evaluó la calidad de los artículos seleccionados utilizando herramientas de IA y se los categorizó en función de los tipos de ciberataques. Los resultados principales incluyen el análisis de un total de 350 artículos relacionados con ciberataques y la identificación de 145 artículos relevantes después de aplicar los criterios de selección, esto proporcionó una visión más clara de las técnicas de explotación de IA utilizadas por los actores maliciosos en estos ataques, se concluye que la IA ha tenido un impacto significativo en la evolución de los ciberataques, otorgando a las atacantes herramientas más sofisticadas para la actividad maliciosa, sin embargo, también se destaca que la IA puede ser empleada para fortalecer la ciberseguridad al mejorar la detección y prevención de estos ataques de manera más eficaz.
Organoenergetic Investigation on the Potential of Industrial Brewers' Spent Grain Valorization for Biogas Production
Authors: Zacharie Merlin Ayissi  , Bernard Nchare  , Nazia Hossain  , Severin Mbog  , Stéphane Lontsi Kenfack  , Dieudonné Bitondo
Published: October 2024

Cameroon is a high country producer and consumer of beer in Africa which has various breweries generating a large amount of brewer spent grain (BSG) yearly. This study was designed to investigate the potential use of spent grains derived from the Cameroonian brewing industry as a viable and sustainable energy source for biogas production. A comprehensive proximate analysis was performed, focusing on key physicochemical parameters including moisture content, acidity level, ash content, and the proportions of proteins, carbohydrates, and fats, thereby enabling the derivation of their energy value to determine the organoenergetic profile. Physicochemical characterization of the spent grains revealed a pH of 5.6, moisture content of 8%, and ash content of 9.8% at 450 °C for 2 h using a muffle furnace. The organic composition included a high iron content of 194.2 mg/100 g, an organic matter content of 99%, a total organic carbon (TOC) content of 57.39%, a total nitrogen content of 3%, and a nitrogen-carbon ratio of 19.13%. In addition, the spent grains exhibited substantial concentrations of total protein (18.75%), crude fiber (3.6%), lipids (8.7%), and carbohydrates (51.15%), with an energy value of 14.97 MJ/kg. Moreover, the chemical oxygen demand (COD) was determined to be 3,880 mg/kg, while the lower calorific value (LCV) was 19.76 MJ/kg, resulting in a COD/TOC ratio of 86.03. These findings showed that the spent grain from Cameroonian brewery has a significant organ energetic potential based on its components and physicochemical properties, thereby highlighting their suitability as a valuable resource for biogas generation.
Band Gap Engineering of Spin-Coated α-Fe2O3 for Solar Water Splitting Utilizing a Facile Zinc Doping Route
Authors: Md. Ataur Raman  , Md. Ferdouse Rahman  , Abu Bakar Md. Ismail
Published: October 2024

Iron oxide (hematite, α-Fe2O3) is an earth-abundant material having a favorable band gap for solar energy harvesting by producing Hydrogen (H2) by photoelectrochemical (PEC) water splitting. Although Fe2O3 has a valence band maximum (VBM) more positive than the water oxidation potential in the normalized hydrogen energy scale (NHE), it can not be used as a photocathode because of the more positive conduction band minima (CBM) than the reduction potential of the electrons required for the hydrogen evolution reaction (HER). This paper reports the band gap engineering of Fe2O3 by doping it with Zinc (Zn) through a facile way to modify its CBM and VBM to enable it to work as an ideal and efficient photocatalyst. One-pot synthesis of α-Fe2O3 doped with Zn was achieved by spin-coating a precursor solution prepared with FeCl2 and Zinc acetate (Zn(CH3COO)2.2H2O) on fluorine-doped tin oxide (FTO) or glass substrates. The films were then annealed in air at around 450 °C. The surface morphology and the crystal structure of the Fe2O3 were studied using SEM (Scanning Electron Microscope) and XRD (X-ray diffractometer). The UV-VIS spectrophotometry and spectroelectrochemistry (SEC) determined the band energies of α-Fe2O3 and Zn-doped α-Fe2O3. The band gap and CBM of pristine α-Fe2O3 were found to be -2.09 eV and -5.31 eV vs. EVAC, whereas the band gap and CBM of Zn-doped α-Fe2O3 were -1.96 eV and -4.3 eV vs. EVAC respectively. The outcome of the photoelectrochemical study shows that α-Fe2O3 doped with Zn can have a reduced band gap with more negative CBM than the H+/H2 reduction potential that efficiently ensures both oxygen and hydrogen evolution reaction.
JICIR Intercultural Theme Dialogue Chinese Multi-National Corporations (MNC’s): (Part I) Global Challenges and Opportunities
Authors: Deng Yiheng , Mayer Claude-Hélène , Koch Pamela , Wang Duanyong , Huang Donny , Afghan Nasir , Koch Brad , Panibratov Andrei , Chi Ruobing
Published: October 2024

Abstract This article presents an in-depth exploration of the challenges and opportunities faced by Chinese Multi-National Corporations (MNCs) as they navigate the global business landscape. Focusing on the intercultural adaptation and communication barriers, it highlights
the experiences of Chinese MNCs in various regions, including Africa and Pakistan. The discussion is based on a webinar panel featuring experts with diverse interdisciplinary backgrounds in intercultural business communication, intercultural management, international business, as well as international
relation and economics. The insights from the panel address key themes and cross- and intercultural challenges such as dealing with differing leadership styles, communication barriers, cultural differences, corporate social responsibility (CSR), and the development of intercultural competence
in diverse socio-cultural environments. The panelists emphasized the importance of flexibility, mutual understanding, and culturally agile leadership in overcoming these challenges. The discussion also outlines potential research areas for further exploration of the intercultural dynamics
of Chinese MNCs. Through this dialogue, the article aims to stimulate future research and provide practical recommendations for improving the global operations and intercultural interactions of Chinese enterprises. It also proposes ideas on how Chinese MNCS can both develop and integrate local
and global practices to achieve sustainable international growth.
Proposed Activation Function Based Deep Learning Approach for Real- Time Face Mask Detection System
Authors: Tun Nay Kyi , Myat Aye Min
Published: October 2024

The ongoing global pandemic has underscored the importance of effective preventive measures such as wearing face masks in public spaces. In this paper, we propose a deep learning-based approach for real-time face mask detection to aid in enforcing mask-wearing protocols. Our system utilizes convolutional neural networks (CNNs) to automatically detect whether individuals in images or video streams are wearing masks or not. The proposed system consists of three main stages: face detection, face mask classification, and real-time monitoring. Firstly, faces are localized in the input image or video frame using a proposed face detection model. Then, the detected faces are fed into a proposed CNN model for mask classification, which determines whether each face is covered with a mask or not. Finally, the system will provide real-time monitoring and alerts authorities or stakeholders about non-compliance with mask-wearing guidelines. We evaluate the performance of our system on publicly available datasets and demonstrate its effectiveness in accurately detecting face masks in various scenarios. Additionally, we discuss the challenges and limitations of deploying such a system in real-world settings, including issues related to privacy, bias, and scalability. Overall, our proposed face mask detection system offers a promising solution for automated monitoring and enforcement of face mask policies, contributing to public health efforts in mitigating the spread of contagious diseases.
Traumainformoitu lähestymistapa päihdeongelmien kuntoutuksessa
Authors: Karttunen Teija
Published: October 2024

Sekä päihdekuntoutuksen käytännöissä että tutkimuksessa tunnistetaan päihdeongelmien ja traumojen tiivis sidos toisiinsa. Trauman ja päihdeongelman muodostamaan kokonaisuuteen liittyy muun muassa häpeää, stigmaa, sukupuolispesifejä tekijöitä sekä rakenteellisia seikkoja. Palvelujärjestelmässä on yhä selkeämmin alettu tiedostaa ja tunnistaa asiakkaiden taustoissa olevia mahdollisia traumakokemuksia. Tätä kutsutaan traumainformoiduksi lähestymistavaksi. Tarkastelen tässä artikkelissa aikaisemman tutkimuksen pohjalta traumainformoitua lähestymistapaa päihdekuntoutuksen kontekstissa. Tavoitteena on esittää tiivistetty kuvaus aihepiiristä. Tutkimusten perusteella havaitaan, että kyse on kuntoutukseen liittyvästä toimintakulttuurisesta kokonaisuudesta ja pitkälti kohtaamisen tavoista. Toiseksi tutkimuksen perusteella voidaan kohdennetusti kuvata ja analysoida traumainformoidun lähestymistavan periaatteiden konkretisointia päihdekuntoutuksessa. Tutkimus osoittaa, että traumatisoitumisen, trauman ja päihdeongelman käsitteellistäminen ja samanaikainen hoito ei ole yksiselitteistä ja ongelmatonta.
Pirminės sveikatos priežiūros specialistų požiūris į plaučių vėžio prevencinės programos įdiegimą
Authors: Rapalavičius Aurimas , Baranauskaitė Una , Bespalova Miglė , Antanavičius Gytis
Published: October 2024

Tyrimo tikslas. Įvertinti specialistų požiūrį į plaučių vėžio prevencinės programos naudą bei įdiegimo reikalingumą. Metodai. Atlikta anoniminė anketinė apklausa, kurioje dalyvavo 103 šeimos gydytojai (respondentai). Rezultatai. Nustatytas teigiamas šeimos gydytojų požiūris į prevencines programas. 98 proc. apklaustųjų visada arba dažniausiai informuoja pacientus apie jiems priklausančias prevencines programas. 55 proc. apklaustųjų teigė, jog prevencinių programų kiekis Lietuvoje yra nepakankamas. Didžioji dauguma (96 proc.) respondentų rekomenduotų plaučių vėžio prevencinę programą pacientams. Pasirinkimas rekomenduoti šią programą pacientams labiausiai priklauso nuo paciento rizikos veiksnių: rūkymo, šeiminės plaučių vėžio anamnezės, bei vyresnio amžiaus. Dažniausiai įvardijamos plaučių vėžio prevencinės programos silpnybės (68 proc. apklaustųjų) yra padidėjusi biurokratinė našta šeimos gydytojams ir apsunkinta prieiga prie radiologinių tyrimų. Viešose įstaigose dirbantys gydytojai statistiškai reikšmingai dažniau, palyginti su dirbančiais privačiose įstaigose, nurodė, kad neinformuoja pacientų dėl to, jog vizito metu nėra gaunamo pranešimo apie pacientui priklausančias prevencines programas (p = 0,036). Ilgiau nei 15 metų dirbantys gydytojai dažniau nurodo, kad prevencinių programų šiuo metu yra per daug arba jų pakanka, palyginti su trumpesnį laiką dirbančiais apklaustaisiais (p = 0,023). Išvados. Atsižvelgiant į rezultatus, galima teigti, kad įdiegus plaučių vėžio prevencinę programą Lietuvoje, su aiškiai apibrėžtais atrankos kriterijais, apimančiais rizikos grupėje esančius pacientus, beveik visi apklausti gydytojai pasinaudotų šios programos teikiamomis galimybėmis. Gydytojų nuomone, svarbiausi veiksniai, lemiantys pacientų įtraukimą į tokią programą, yra rūkymas, šeiminė plaučių vėžio anamnezė ir vyresnis amžius.
Paauglių nemigos rizikos veiksniai ir alternatyvūs gydymo būdai šeimos gydytojo praktikoje
Authors: Godvaišaitė Glorija , Glemžaitė Urtė , Rapalavičius Aurimas
Published: October 2024

Tyrimo tikslas. Remiantis moksline literatūros apžvalga, aptarti paauglių nemigos rizikos veiksnius, išanalizuoti nemedikamentinius miego sutrikimų gydymo būdus ir aptarti šeimos gydytojo komandos svarbą bei funkcijas šiame procese. Metodika. Atlikta 2010–2024 m. mokslinių publikacijų analizė „PubMed“ ir „Google Scholar“ informacijos paieškos sistemose, vartojant reikšminius žodžius. Rezultatai ir išvados. Paauglių miego sutrikimus lemia prasti valgymo įpročiai (dažnas aštrių maisto produktų vartojimas, greitojo maisto valgymas, gazuoti gaivieji gėrimai, kofeinas), išmaniųjų įrenginių naudojimas (televizijos žiūrėjimas, telefono naudojimas, internetiniai žaidimai), akademinis stresas, psichoaktyviosios medžiagos ir moteriškoji lytis. Pagrindinės veiksmingos alternatyvios nemigos gydymo priemonės: šviesos, kognityvinė elgesio terapijos, fizinis aktyvumas ir melatonino papildai. Svarbu į nemigos gydymo procesą integruoti šeimos gydytojo komandą, kuri laiku atkreiptų dėmesį į paauglių nemigos simptomus, rizikos veiksnius bei informuotų apie alternatyvius gydymo metodus.
PEDAGOGICAL MECHANISMS OF PREPARING PRIMARY CLASS STUDENTS FOR PIRLS AND TIMSS INTERNATIONAL ASSESSMENT TESTS
Authors:   Independent researcher of Urganch State University, Trainee-teacher of the ", Azimbayevna Matyakubova Nuriya ,   Methodology of Primary Education",   department, Uzbekistan
Published: October 2024

On the basis of the relevant decision of the Cabinet of Ministers of the Republic of Uzbekistan, preparation for international studies in the field of education quality assessment in the public education system was started. programs, scientific research is being conducted to develop and introduce innovative methods of assessment and development of students' reading, mathematical and natural-scientific literacy, creative thinking. Evaluation of the quality of education in the public education system of the Republic, organization of research, establishment of international relations, scientific research and innovation activities of the students, and above all, the creative ideas and creativity of the young generation. Progress in International Reading and Literacy Study (PIRLS) is an international assessment program to assess the level of reading and comprehension of primary 4th grade students based on the decision of the Cabinet of Ministers for the purpose of support and encouragement. is considered The "Roadmap" for the preparatory processes of the participation of the Republic of Uzbekistan in international studies was approved, and systematic work was started on this basis. National survey, research based on the requirements of the TIMSS program for the education quality component within the Human Capital Index - 2020 project, REDS research can be cited as an example. PIRLS assesses the learning of elementary school students in and out of the classroom with two overarching goals: artistic experience and information acquisition and use.
Effect of low-intensity aerobic cycling ergometer on ability to perform activity of daily living of patients with myasthenia gravis in RSUD Dr. Soetomo Surabaya
Authors:   Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia, Muslihah Iin ,   Department of Physical Medicine and Rehabilitation, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia, Meisy Andriana RA ,   Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia,   Neuromuscular Rehabilitation Division, Department of Physical Medicine and Rehabilitation, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia, Prawitri Yudith Dian ,   Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia,   Neuromuscular Rehabilitation Division, Department of Physical Medicine and Rehabilitation, Airlangga University Hospital, Surabaya, Indonesia, Sugianto Paulus ,   Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia,   Intensive and Neurocritical Division, Department of Neurology, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia, Melaniani Soenarnatalina ,   Department of Epidemiology, Biostatistics, Population Studies and Health Promotion, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia
Published: October 2024

Background and objectives. Myasthenia gravis (MG) is an autoimmune disease of the neuromuscular junction causing fluctuating skeletal muscle weakness and fatigue that result in increased restrictions on physical activity, affecting the patient's ability to perform daily activities in the family, social, and work environment. The MG-ADL scale is an assessment of the ability of the daily activities of MG patients that does not require equipment or special skills for the examiner and can be done in a short time. This study analyzes the effect of low intensity aerobic exercise cycle ergometer on the ability to perform daily activities of MG patients. Materials and methods. Twenty-two MG patients, MGFA class IIa and IIb, aged 18–59, participated in this study. The subjects were randomly divided into a treatment group and a control group. The treatment group received aerobic cycle ergometer exercise for 30 minutes, three times per week, for eight weeks. Both groups were educated to continue medication from neurology, perform physical activity as usual, and breathing exercises. Assessment of MG-ADL performed before and after intervention. Results. There was an improvement in scores on breathing and lower limb function in the treatment group. There was significant decrease in MG-ADL scores at the intervention group (p = 0.000) with large effect size (1.09). The comparison of MG-ADL scores between groups showed a significant value (p = 0.009) with a large effect size (1.24). Conclusion. Low intensity aerobic exercise cycle ergometer for 8 weeks improves the ability to perform ADL in MG patient.
Lower Limb Rehabilitation Exoskeleton Robots, A review
Authors: Ayad Dina , Al-Ibadi Alaa , Elena Giannaccini Maria
Published: October 2024

Using a lower limb exoskeleton for rehabilitation (LLE) Lower limb exoskeleton rehabilitation robots (LER) are designed to assist patients with daily duties and help them regain their ability to walk. Even though a substantial portion of them is capable of doing both, they have not yet succeeded in conducting agile and intelligent joint movement between humans and machines, which is their ultimate goal. The typical LLE products, rapid prototyping, and cutting-edge techniques are covered in this review. Restoring a patient's athletic prowess to its pr-accident level is the aim of rehabilitation treatment. The core of research on lower limb exoskeleton rehabilitation robots is the understanding of human gait. The performance of common prototypes might be used to match wearable robot shapes to human limbs. To imitate a normal stride, robot-assisted treatment needs to be able to control the movement of the robot at each joint and move the patient's limb.
Numerical Investigation of Contra Rotating Propeller Efficiency on Ferries through CFD Simulation
Authors: Nikmatullah Muhammad Iqbal , Muhammad Andi Haris , Baharuddin Baharuddin , Rasyid Ridha Sulistyawati , Putri Andi Hirawaty Subhan
Published: October 2024

This research focuses on the pressing issues of global warming and fossil fuel depletion. It discusses the International Maritime Organization's (IMO) proactive approach to these challenges by introducing the Energy Efficiency Design Index (EEDI). The EEDI is a pioneering initiative that emphasizes the development of propulsion systems incorporating Energy Saving Devices (ESD). A vital feature of this research is the exploration of the contra-rotating propeller, a propulsor configuration that promises higher efficiency than conventional single-propeller propulsion systems. The unique advantage of the contra-rotating propeller lies in its ability to recover rotational energy in the propeller slipstream. This energy recovery produces higher thrust with torque equivalent to conventional systems, thereby enhancing efficiency. The research employed Computational Fluid Dynamics (CFD) software to determine the impact of contra-rotating propellers on propeller efficiency in ferry propulsion systems. The study aimed to identify an optimal propeller placement and diameter combination to maximize efficiency. The findings of this research are promising. The use of contra-rotating propellers on ferry boats resulted in a significant increase in propeller efficiency. Specifically, efficiency increased by 6.498% on model 2 with a diameter ratio of 1:0.87. Similarly, in model 1 with a diameter ratio of 1:1, efficiency increased by 3.374%. These results highlight the potential of contra-rotating propellers in enhancing the energy efficiency of maritime propulsion systems. Therefore, this research provides valuable insights for designing future energy-efficient maritime vessels.
Energy-Exergy Analysis of CI Engine Fueled with Moringa Oleifera Biodiesel at Different Loading Conditions
Authors: Patel Vasant , Buch Vyomesh
Published: October 2024

This study aims to examine the impact of engine load (3, 6, 9, 12 kg) on the energy and exergetic performance of an internal combustion engine powered by diesel and Moringa biodiesel mixes. The trials were conducted on a common rail direct injection (CRDI) type single-cylinder diesel engine, using diesel fuel and mixes of Moringa biodiesel (MB10, MB20, and MB30) as the fuel. The experiment was conducted at a higher compression ratio (CR) of 18:1, a fuel injection pressure (IP) of 600 bar, an injection timing (IT) of 23obTDC, and a fixed engine speed of 1500 rpm. An energy and exergy analysis were conducted to estimate the energy and exergy rate of fuel, cooling water, and exhaust gases, unaccounted energy, energy and exergy efficiency, entropy generation, and sustainability index. The energy analysis showed that fuel inlet energy, energy of cooling water, exhaust gases, and energy efficiency rise with engine load, whereas unaccounted energy decrease. Exergy analysis showed that exergy rate of cooling water, exhaust gas, exergy efficiency, and SI increase with engine load, while fuel energy, destructed available energy, and entropy generation decrease. The highest energy and exergy efficiency reported for the diesel were 27.20 and 26.31% respectively while for biodiesel blend MB30 it was reported as 28.13 and 27.21% at full load condition. The highest entropy generation reported for the diesel was 0.022 kW/K at 50% loading condition and for biodiesel blend MB20 it was 0.020 kW/K at full loading condition. The highest SI reported for the diesel and biodiesel blend MB30 were 1.36 and 1.37 at full load condition. A study suggests that the energetic and exergetic performance of a VCR-CRDI type diesel engine is similar to that of diesel fuel when utilizing Moringa biodiesel, under various engine loading conditions.
Design of Open Flume Turbine using Specific Speed of Power and Discharge
Authors: Warjito Warjito , Kameswara Kevin , Budiarso Budiarso , Muhammad Mizan  , Nasution Sanjaya Baroar Sakti , Fadhel Kurnianto Muhammad Agil , Rusli Christopher Clement
Published: October 2024

Open flume turbine is a pico-hydro water turbine that can generate electricity up to 5 kW with low head. The open flume turbine typically designed using power specific speed, however Simpson proposed a method using discharge specific speed for pico-propeller turbine. This study compares the performance of pico-hydro open flume turbines designed with power specific speed and flow specific speed. The turbines are designed with 2.71m head with various flowrates. The flowrates are chosen so that the flow specific speeds are 140, 160, 180, and 200. Based on the result, the turbines designed using flow specific speed yield higher power output and efficiency at all designed flowrates.
Effect of Thermophoresis and Heat Source on Unsteady Hydromagnetic Free Convective Fluid Flow Embedded in a Porous Material
Authors: Bibi Shaik Nuslin , Padma Gunampalle , Lalitha Sagi , Sarada Puliyeddula
Published: October 2024

The present research paper aims to study the Soret effect and Heat source Radiation effect on a Magneto Hydro Dynamics fluid through a vertical fluctuating porous plate. Dimensional non-linear coupled differential equations altered into dimensional less by introducing similarity variables. Time-dependent suction is assumed and the radiative flux is described using the differential approximation for radiation. The Galerkin finite element method is used to sole the equations governing flow. The flow phenomenon has been characterized with the help of flow parameters such as velocity, temperature and concentration profiles for different parameters such as Sc, Pr, M, Q, K, Nr, Kr, Gm, So, Ec and Gr. Schmidt number, Prandtl number, Magnetic field, Heat source, Permeability parameter, Thermal radiation, Chemical reaction, Solutal Grashof number, Soret number, Eckert number and Grashof number. The velocity, temperature and concentration are shown graphically. The coefficient of skin-friction, Nusselt number and Sherwood number are shown in tables.
The Influence of Competence and Motivation Work on Employee Performance at The Provincial Food Crops Service West Java
Authors: Mutmainah Islahul , Komar Priatna Deden , Sukmayana Dodi
Published: October 2024

The Office of Food Crops of West Java Province as one of the Regional Government Organizations (OPD) of the West Java Province, which has the authority for the Management of Food Crop Agriculture. However, on the other hand, the obstacle is not achieving realization of the output produced is not in accordance with the plan that has been previously set. The low performance of employees of the Food Crop Service of West Java Province is allegedly due to low competence and motivation. The purpose of this study was to find out the effect of competence and work motivation on employee performance, both simultaneously and partially, and discussed descriptively. The method used is descriptive survey method and explanatory survey. The type of investigation in this study is causality. The unit of analysis of staff of the Food Crop Service in West Java Province with a sample (n) of 50 employees. Time horizon in this study is cross sectional and the analytical method used is frequency distribution and path analysis. The findings of this study are that employee competencies are generally assessed on good criteria; Work motivation given to employees is inadequate; employee performance has high and very high performance Work motivation and competency together influence the performance of the staff of the Food Crop Service in West Java Province. But partially dominant work motivation influences employee performance rather than competence.
The Influence of Workload and Work Environment on Employee Performance (Study on Kelurahan In Gedebage Subdistrict, Bandung City)
Authors: Rahayuningtyas Puji , Jusdijachlan R. , Mulyana Agus
Published: October 2024

The purpose of this study was to find out and analyze: (1) Workload (2) Work Environment; (3) Employee Performance; and (4) The Effect of Workload and Work Environment on the Performance of Kelurahan Employees in Gedebage District, Bandung City, both simultaneously and partially. The research method used in this study is a descriptive survey and an explanatory survey. The unit of analysis in this study was the staff of the Kelurahan in Gedebage District, Bandung City with a sample of 30 people. The type of investigation is causality, and the time horizon in this study is cross-sectional. Based on the results of the study, it was found that the Workload experienced by the Kelurahan employees in the Gedebage Subdistrict of Bandung City was good, the Work Environment in the Kelurahan in Gedebage District, Bandung City in general could be said to be good, the performance of Kelurahan Employees in Gedebage Subdistrict, Bandung City was now considered good. Workload and Work Environment affect the performance of Kelurahan employees in Gedebage District, Bandung City simultaneously and partially. But partially the dominant workload affects employee performance rather than the work environment. Because the Workload is more dominant in influencing Performance, it becomes the first priority in improving the Performance. Therefore, Kelurahan in Gedebage District, Bandung City is advised to improve the working conditions and atmosphere, so that they are able to work more professionally
The Influence of Leadership and Motivation on Employee Performance (A Case Of Employees In The Kiaracondong Bandung City)
Authors: Apriyani Rahayu Yani , Ridwan S. , Febrian Feby
Published: October 2024

The purpose of this study was to find out and analyze: (1) Leadership (2) Work Motivation; (3) Employee Performance; and (4) The Influence of Leadership and Work Motivation on Eployee Performace a Case Employees in Kiaracondog SubDistrict, Bandung, both simultaneously and partially. The method of this research is descriptive survey and explanatory survey, the unit of analysis in this study is the employees in the Kiaracondong Subdistrict, Bandung with a sample of 30 people. The type of investigation is causality, and the time horizon in this study is cross-sectional. Based on the results of the study, it was found that the Leadership in the Kiaracondong Subdistrict it turned out that most of the employees responded well enough; Employee work motivation in Kiaracondong Subdistrict in general can be said to be good; Employee performance in the Kiaracondong Subdistrict is currently considered good. Leadership and Work Motivation simultaneously affect the Employee Performance in the Kiaracondong Subdistrict. But partially dominant leadership influences performance rather than work motivation. Because Leadership is more dominant in influencing Performance, leadership being the first priority in improving Employee performance in Kiaracondong Subdistrict Environment .The leader turns out to contribute greatly to the improvement of employee performance. Abstracts are written in one paragraph using standard Indonesian with enhanced spelling. Maximum 200 words, using Times New Roman font size 12, space 1, Italic. Contains a brief description of the overall results of the study including background issues, objectives, methods, results and conclusions. Avoid writing bibliography citations, as well as abbreviations in the abstract. The abstract contains the title of the article, research object, objectives, methods and results. Abstracts written in Bahasa and English.
Six Pulse Type Segmented Thyristor Controlled Reactor with Fixed Capacitor for Reactive Power Compensation
Authors: Nireekshana Namburi , Shiva A. , Furkhan Ali Md Mujtaba , Sridhar M. , Omprakash Ashwini , Shiva Kumar Kadari
Published: October 2024

This article presents a Six Pulse Type Segmented Thyristor Controlled Reactor (TCR) integrated with a Fixed Capacitor (FC) for reactive power compensation. The primary objective is to improve voltage stability and power factor in electrical networks, addressing issues related to reactive power imbalance and harmonic distortion. The proposed configuration combines the advantages of segmented TCR and FC, providing a flexible and efficient approach to reactive power management. The novelty of this work lies in the segmentation of the TCR, which enhances the dynamic control of reactive power by allowing more precise regulation and reduced harmonics compared to conventional TCR systems. This segmented approach also minimizes switching losses and thermal stress on thyristors, leading to enhanced reliability and longevity of the system. Additionally, the integration of a fixed capacitor optimizes the overall power factor correction, contributing to improved system efficiency. Key findings from simulation and experimental results demonstrate that the Six Pulse Type Segmented TCR with FC significantly reduces reactive power, stabilizes voltage levels, and effectively suppresses harmonics within permissible limits, adhering to IEEE standards. The system shows a marked improvement in power quality, making it a viable solution for industrial applications where reactive power control is critical. This innovative approach not only provides superior compensation characteristics but also offers a scalable and adaptable framework for modern power systems, highlighting its potential to enhance operational performance and energy efficiency in various electrical grids.
Az állami és nemzeti jelképek büntetőjogi védelme Európában
Authors: Tóth Zoltán J.
Published: October 2024

Aim: The aim of this study is to find out whether European countries protect their state and/or national symbols at the level of criminal law, whether they punish those who desecrate state symbols and, if so, exactly which symbols are protected. The answer to this question will also help us to understand the deeper question of which European countries consider state (and national) symbols to be of such value that various types of violations of them are punishable by criminal penalties as a last resort.
Methodology: In order to establish this, we compared the criminal law of all European countries in which criminal offences are covered by a criminal code that functions as a separate penal code. For methodological soundness, countries without a separate Penal Code (and thus without a cartel constitution) (such as the United Kingdom) were excluded from the analysis, but all other European countries that are geographically (or if not geographically, such as Cyprus or Armenia, then culturally) part of Europe were examined.
Findings: The results of the research disproved our initial hypothesis: the comparative study showed that the vast majority of European countries, more than 70%, protect their state (or national) symbols in some way, with a small minority of countries where there is no criminal law protection for the strict infringement of symbols.
Value: This is also worthy of attention in the broader context of resolving the conflict in Europe between freedom of expression as a human and constitutional right and the constitutional value of what we call "the dignity of communities": in fact, the Europe of the 21st century (including the Western countries) has not yet departed from its community foundations and not only declares at constitutional level the symbols expressing the statehood and national identity of the nation that constitutes the state, but also (for the most part) protects them under criminal law.
Evaluation and assessment of the constitutionality of penitentiary decisions, in the light of the introduction of the penitentiary credit system
Authors: Czine Ágnes
Published: October 2024

Aim: Criteria for the evaluation by the Constitutional Court of decisions on the execution of sentences.
Methodology: Descriptive, documentary and content analysis.
Findings: According to the Section 27 (1) of the Act on the Constitutional Court, the decision on the merits, i.e. the decision on the substance of the charge and the decision on criminal responsibility, or the decision on the guilt and the acquittal, can be the subject of a constitutional complaint. The final decisions – the order not to proceed to trial and the order terminating the proceedings – cannot be considered as decisions on the merits within the meaning of the Constitutional Court Act. However, these decisions can be examined in the context of a constitutional complaint, because they correspond to the Section 27 (1) of the Constitutional Court Act, the other decision ending the court proceedings.
Value: So far, no academic article has been published that analyses which decisions of the penitentiary judges can be challenged by a constitutional complaint following the latest amendments to Act CCXL of 2013 (Act XCVII of 2023).
The Radius of the High-mass Pulsar PSR J0740+6620 with 3.6 yr of NICER Data
Authors: Salmi Tuomo , Choudhury Devarshi , Kini Yves , Riley Thomas E. , Vinciguerra Serena , Watts Anna L. , Wolff Michael T. , Arzoumanian Zaven , Bogdanov Slavko , Chakrabarty Deepto , Gendreau Keith , Guillot Sebastien , Ho Wynn C. G. , Huppenkothen Daniela , Ludlam Renee M. , Morsink Sharon M. , Ray Paul S.
Published: October 2024

We report an updated analysis of the radius, mass, and heated surface regions of the massive pulsar PSR J0740+6620 using Neutron Star Interior Composition Explorer (NICER) data from 2018 September 21 to 2022 April 21, a substantial increase in data set size compared to previous analyses. Using a tight mass prior from radio-timing measurements and jointly modeling the new NICER data with XMM-Newton data, the inferred equatorial radius and gravitational mass are

12.49

−
0.88

+
1.28

km and

2.073

−
0.069

+
0.069

M
⊙, respectively, each reported as the posterior credible interval bounded by the 16% and 84% quantiles, with an estimated systematic error ≲ 0.1 km. This result was obtained using the best computationally feasible sampler settings providing a strong radius lower limit but a slightly more uncertain radius upper limit. The inferred radius interval is also close to the

R
=

12.76

−
1.02

+
1.49

km obtained by Dittmann et al., when they require the radius to be less than 16 km as we do. The results continue to disfavor very soft equations of state for dense matter, with R < 11.15 km for this high-mass pulsar excluded at the 95% probability. The results do not depend significantly on the assumed cross-calibration uncertainty between NICER and XMM-Newton. Using simulated data that resemble the actual observations, we also show that our pipeline is capable of recovering parameters for the inferred models reported in this paper.
Radio Afterglows from Tidal Disruption Events: An Unbiased Sample from ASKAP RACS
Authors: Anumarlapudi Akash , Dobie Dougal , Kaplan David L. , Murphy Tara , Horesh Assaf , Lenc Emil , Driessen Laura , Duchesne Stefan W. , Dykaar Hannah , Gaensler B. M. , Galvin Timothy J. , Grundy Joe , Heald George , Hotan Aidan W. , Huynh Minh , Leung James K. , McConnell David , Moss Vanessa A. , Pritchard Joshua , Raja Wasim , Rose Kovi , Sivakoff Gregory , Wang Yuanming , Wang Ziteng , Wieringa Mark H. , Whiting Matthew T.
Published: October 2024

Late-time (∼a year) radio follow-up of optically discovered tidal disruption events (TDEs) is increasingly resulting in detections at radio wavelengths, and there is growing evidence for this late-time radio activity to be common to the broad class of subrelativistic TDEs. Detailed studies of some of these TDEs at radio wavelengths are also challenging the existing models for radio emission. Using all-sky multiepoch data from the Australian Square Kilometre Array Pathfinder (ASKAP), taken as a part of the Rapid ASKAP Continuum Survey (RACS), we searched for radio counterparts to a sample of optically discovered TDEs. We detected late-time emission at RACS frequencies (742–1032 MHz) in five TDEs, reporting the independent discovery of radio emission from TDE AT 2019ahk and extending the time baseline out to almost 3000 days for some events. Overall, we find that at least

22

−
11

+
15

%

of the population of optically discovered TDEs has detectable radio emission in the RACS survey, while also noting that the true fraction can be higher given the limited cadence (two epochs separated by ∼3 yr) of the survey. Finally, we project that the ongoing higher-cadence (∼2 months) ASKAP Variable and Slow Transients survey can detect ∼20 TDEs in its operational span (4 yr), given the current rate from optical surveys.
Photometric White Dwarf Rotation
Authors: Oliveira da Rosa Gabriela , Kepler S. O. , Soethe L. T. T. , Romero Alejandra D. , Bell Keaton J.
Published: October 2024

We present a census of photometrically detected rotation periods for white dwarf (WD) stars. We analyzed the light curves of 9285 WD stars observed by the Transiting Exoplanet Survey Satellite up to Sector 69. Using Fourier transform analyses and the TESS_localize software, we detected variability periods for 318 WD stars. The 115 high-probability likely single WDs in our sample have a median rotational period of 3.9 hr and a median absolute deviation of 3.5 hr. Our distribution is significantly different from the distribution of the rotational period from asteroseismology, which exhibits a longer median period of 24.2 hr and a median absolute deviation of 12.1 hr. In addition, we reported nonpulsating periods for three known pulsating WDs with rotational periods previously determined by asteroseismology: NGC 1501, TIC 7675859, and G226-29. We also calculated evolutionary models including six angular momentum transfer mechanisms from the literature throughout evolution in an attempt to reproduce our findings. Our models indicate that the temperature–period relation of most observational data is best fitted by models with low metallicity, probably indicating problems with the computations of angular momentum loss during the high-mass-loss phase. Our models also generate internal magnetic fields through the Tayler–Spruit dynamo.
Characterization of Monosubstituted Benzene Ices
Authors: Piacentino Elettra L. , Balkanski Aurelia , Rajappan Mahesh , Öberg Karin I.
Published: October 2024

Aromatic structures are fundamental for key biological molecules such as RNA and metabolites and the abundances of aromatic molecules on young planets are therefore of high interest. Recent detections of benzonitrile and other aromatic compounds in interstellar clouds and comets have revealed a rich aromatic astrochemistry. In the cold phases of star and planet formation, most of these aromatic molecules are likely to reside in icy grain mantles, where they could be observed through IR spectroscopy. We present laboratory IR spectra of benzene and four monosubstituted benzene molecules—toluene, phenol, benzonitrile, and benzaldehyde—to determine their IR ice absorbances in undiluted aromatic ices, and in mixtures with water and CO. We also characterize the aromatic ice desorption rates, and extract binding energies and respective pre-exponential factors using temperature-programmed desorption experiments. We use these to predict at which protostellar and protoplanetary disk temperatures these molecules sublimate into the gas phase. We find that benzene and monosubstituted benzene derivatives are low-volatility with binding energies in the 5220–8390 K (43–70 kJ mol−1) range, which suggests that most of the chemistry of benzene and of functionalized aromatic molecules is to be expected to occur in the ice phase during star and planet formation.
Characterizing the Rapid Hydrogen Disappearance in SN 2022crv: Evidence of a Continuum between Type Ib and IIb Supernova Properties
Authors: Dong 董 Yize 一泽 , Valenti Stefano , Ashall Chris , Williamson Marc , Sand David J. , Van Dyk Schuyler D. , Filippenko Alexei V. , Jha Saurabh W. , Lundquist Michael , Modjaz Maryam , Andrews Jennifer E. , Jencson Jacob E. , Hosseinzadeh Griffin , Pearson Jeniveve , Kwok Lindsey A. , Boland Teresa , Hsiao Eric Y. , Smith Nathan , Elias-Rosa Nancy , Srivastav Shubham , Smartt Stephen , Fulton Michael , Zheng WeiKang , Brink Thomas G. , Shahbandeh Melissa , Bostroem K. Azalee , Hoang Emily , Janzen Daryl , Mehta Darshana , Meza Nicolas , Shrestha Manisha , Wyatt Samuel , Auchettl Katie , Burns Christopher R. , Farah Joseph , Galbany Lluís , Padilla Gonzalez Estefania , Haislip Joshua , Hinkle Jason T. , Howell D. Andrew , De Jaeger Thomas , Kouprianov Vladimir , Kumar Sahana , Lu Jing , McCully Curtis , Moran Shane , Morrell Nidia , Newsome Megan , Pellegrino Craig , Polin Abigail , Reichart Daniel E. , Shappee B. J. , Stritzinger Maximilian D. , Terreran Giacomo , Tucker M. A.
Published: October 2024

We present optical and near-infrared (NIR) observations of SN 2022crv, a stripped-envelope supernova in NGC 3054, discovered within 12 hr of explosion by the Distance Less Than 40 Mpc Survey. We suggest that SN 2022crv is a transitional object on the continuum between Type Ib supernovae (SNe Ib) and Type IIb supernovae (SNe IIb). A high-velocity hydrogen feature (∼ −20,000 to −16,000 km s−1) was conspicuous in SN 2022crv at early phases, and then quickly disappeared. We find that a hydrogen envelope of ∼10−3
M
⊙ can reproduce the observed behavior of the hydrogen feature. The lack of early envelope cooling emission implies that SN 2022crv had a compact progenitor with an extremely low amount of hydrogen. A nebular spectral analysis shows that SN 2022crv is consistent with the explosion of a He star with a final mass of ∼4.5–5.6 M
⊙ that evolved from a ∼16 to 22 M
⊙ zero-age main-sequence star in a binary system with ∼1.0–1.7 M
⊙ of oxygen finally synthesized in the core. In order to retain such a small amount of hydrogen, the initial orbital separation of the binary system is likely larger than ∼1000 R
⊙. The NIR spectra of SN 2022crv show a unique absorption feature on the blue side of the He i line at ∼1.005 μm. This is the first time such a feature has been observed in SNe Ib/IIb, and it could be due to Sr II. Further detailed modeling of SN 2022crv can shed light on the progenitor and the origin of the mysterious absorption feature in the NIR.
Superluminal Proper Motion in the X-Ray Jet of Centaurus A
Authors: Bogensberger David , Miller Jon M , Mushotzky Richard , Brandt W. N. , Kammoun Elias , Zoghbi Abderahmen , Behar Ehud
Published: October 2024

The structure of the jet in Cen A is likely better revealed in X-rays than in the radio band, which is usually used to investigate jet proper motions. In this paper, we analyze Chandra Advanced CCD Imaging Spectrometer observations of Cen A from 2000 to 2022 and develop an algorithm for systematically fitting the proper motions of its X-ray jet knots. Most of the knots had an apparent proper motion below the detection limit. However, one knot at a transverse distance of 520 pc had an apparent superluminal proper motion of 2.7 ± 0.4c. This constrains the inclination of the jet to be i < 41° ± 6° and the velocity of this knot to be β > 0.94 ± 0.02. This agrees well with the inclination measured in the inner jet by the Event Horizon Telescope but contradicts previous estimates based on jet and counterjet brightness. It also disagrees with the proper motion of the corresponding radio knot, of 0.8 ± 0.1c, which further indicates that the X-ray and radio bands trace distinct structures in the jet. There are four prominent X-ray jet knots closer to the nucleus, but only one of these is inconsistent with being stationary. A few jet knots also have a significant proper-motion component in the nonradial direction. This component is typically larger closer to the center of the jet. We also detect brightness and morphology variations at a transverse distance of 100 pc from the nucleus.
Constraints on the Physical Origin of Large Cavities in Transition Disks from Multiwavelength Dust Continuum Emission
Authors: Sierra Anibal , Pérez Laura M. , Sotomayor Benjamín , Benisty Myriam , Chandler Claire J. , Andrews Sean , Carpenter John , Henning Thomas , Testi Leonardo , Ricci Luca , Wilner David
Published: October 2024

The physical origin of the large cavities observed in transition disks is to date still unclear. Different physical mechanisms (e.g., a companion, dead zones, enhanced grain growth) produce disk cavities of different depth, and the expected spatial distribution of gas and solids in each mechanism is not the same. In this work, we analyze the multiwavelength interferometric visibilities of dust continuum observations obtained with Atacama Large Millimeter/submillimeter Array and Very Large Array for six transition disks: CQTau, UXTau A, LkCa15, RXJ1615, SR24S, and DMTau, and calculate brightness radial profiles, where diverse emission morphology is revealed at different wavelengths. The multiwavelength data are used to model the spectral energy distribution and compute constraints on the radial profile of the dust surface density, maximum grain size, and dust temperature in each disk. They are compared with the observational signatures expected from various physical mechanisms responsible for disk cavities. The observational signatures suggest that the cavities observed in the disks around UXTau A, LkCa15, and RXJ1615 could potentially originate from a dust trap created by a companion. Conversely, in the disks around CQTau, SR24S, DMTau, the origin of the cavity remains unclear, although it is compatible with a pressure bump and grain growth within the cavity.