bluuebunny/crossref_metadata_2025_split huggingface dataset:
Аналіз ключових показників ефективності роботи залізничних транспортних систем Network Rail і Infrabel
Authors: Попов Микита Дмитрович , Малахова Олена Анатоліївна , Сіконенко Григорій Михайлович , Шандер Олег Едуардович 
Published: July 2024

Ефективність діяльності підприємства визначають за ступенем досягнення мети або позитивною результативністю. У статті порівняно дві європейські залізничні системи з різними наборами критеріїв ефективності, наведено національні відмінності в оцінюванні ключових показників ефективності функціонування залізниць, виділено складові концепції розвитку інноваційного потенціалу залізничної транспортної системи. Показано, що для зручності аналізу показники ефективності підприємств залізничного транспорту групують залежно від інфраструктурної та експлуатаційної складової транспортного процесу.Доведено, що формування різних підходів для оцінювання ефективності функціонування залізничної системи дає змогу своєчасно виявляти проблемні місця на всіх ланках транспортного процесу.
Аналіз методів керування випрямно-інверторного перетворювача електровоза
Authors: Нерубацький Володимир Павлович , Плахтій Олександр Андрійович , Івахно Володимир Вікторович , Гордієнко Денис Анатолійович , Шелест Дмитро Андрійович 
Published: July 2024

У статті наведено дослідження характеристик електромагнітної сумісності в системі «електровоз - контактна мережа». Проведено аналіз впливу якості електричної енергії на надійність і ресурс роботи залізничних пристроїв та інших об’єктів. Визнaчeно недоліки режиму роботи тиристорних випрямлячів у статичних перетворювачах електровозів однофазного змінного струму. Проведено моделювання різних режимів керування випрямно-інверторного перетворювача електровоза. Подано адаптивну систему різнофазного керування випрямно-інверторного перетворювача із застосуванням діодного плеча, ввімкненого паралельно колу випрямленого струму, що дає змогу незалежно від місця розташування на фідерній зоні максимально виконувати функцію зниження коефіцієнта гармонічних спотворень.
Метод визначення положення одновагонних відчепів у момент їхнього відриву від состава при розпуску з гірки
Authors: Куценко Максим Юрійович , Токаренко Сергій Олександрович , Вівдиченко Сергій Валентинович 
Published: July 2024

Найважливішим параметром сортувальної гірки є поздовжній профіль, від конструкції якого залежить продуктивність і безпека роботи всього сортувального комплексу. Окремим завданням є забезпечення відповідності параметрів поздовжнього профілю гірок проєкту. У чинних правилах і нормах проєктування сортувальних пристроїв подано діапазони допустимих значень визначення конструктивних параметрів перевальної частини гірок, при цьому методів і рекомендацій щодо визначення оптимальних значень не наведено. Отже, удосконалення методів розрахунку параметрів перевальної частини гірки є актуальним напрямом наукових досліджень. У статті розроблено новий аналітичний метод визначення положення одновагонних відчепів у момент їхнього відриву від состава під час розпуску з гірки, що забезпечує точність розрахунків, порівнянну з імітаційним моделюванням. Результати досліджень можуть бути використані при корегуванні норм проєктування та утримання сортувальних гірок.
EDITORIAL, Vol. 3, Nº 4, 2013
Authors: Carvalho José Ribamar Marques de 
Published: July 2024

Caríssimos (as), Este é o Volume 3, Nº 4, da REUNIR – Revista de Administração, Contabilidade e Sustentabilidade da UACC/CCJS/UFCG e conta com oito publicações. O volume faz uma discursão por alguns tópicos de interesse da pesquisa em Administração, Contabilidade e Sustentabilidade. Depois de mapear o perfil e o crescimento do tema conflitos à luz do periódico The International Journal of Conflicts Management, entre 2003 e 2012. (artigo 1), retrata a área de abrangência da contabilidade gerencial segundo a percepção dos docentes de contabilidade vinculados às Instituições de Ensino Superior do Estado da Paraíba (artigo 2). O terceiro artigo apresenta uma análise do impacto causado nos indicadores sociais de funções de governo dos municípios sedes das entidades de terceiros setor beneficiárias dos repasses do Programa de Educação Fiscal do RN (PEF/RN) entre os exercícios 2004 e 2009. O quarto identifica como os profissionais contábeis do estado de Minas Gerais autoavaliam o seu conhecimento acerca do conteúdo e da aplicação dos pronunciamentos contábeis emitidos pelo Comitê de Pronunciamentos Contábeis (CPC). A análise dos modelos de Balanced Scorecard elaborados a partir da ótica da sustentabilidade através do uso da Matriz SWOT é apresentado no artigo 5. A produção científica sobre o processo de liderança é apresentado entre os anos de 1981 a 2010 (artigo 6). A relação entre o volume inscrito em restos a pagar e a utilização da “contabilidade criativa” para dar cumprimento à meta fiscal de superávit primário do governo federal é demonstrada no artigo 7. Finalmente, o artigo 8 apresenta a forma como os demonstrativos e relatórios contábeis são apresentados pode (ou não) influenciar as decisões dos usuários de informações financeiras. Na oportunidade aproveitamos para desejar a todos os pesquisadores, parceiros e demais interessados um Feliz Natal e Próspero Ano Novo. Que 2014 se apresente cheio de perspectivas e realizações. Prof. Dr. José Ribamar Marques de Carvalho Editor Científico – REUNIR Universidade Federal de Campina Grande Centro de Ciências Jurídicas e Sociais, Campus Sousa, PB. Unidade Acadêmica de Ciências Contábeis Sítio: Open Jornal Systems (REUNIR): http://150.165.111.246/revistaadmin/index.php/uacc/index Plataformas Indexadas: DOAJ: http://www.doaj.org/doaj?func=openurl&issn=22373667&genre=journal&uiLanguage=en Latindex: http://www.latindex.unam.mx/buscador/ficRev.html?folio=20581 SEER/IBCIT: http://seer.ibict.br/index.php?option=com_mtree&task=viewlink&link_id=2153&Itemid=109 Sumários.org: http://sumarios.org/revistas/revista-de-administra%C3%A7%C3%A3o-contabilidade-e-sustentabilidade Academic Jornals Database: http://www.journaldatabase.org/journal/issn2237-3667 DIADORIM: http://diadorim.ibict.br/handle/1/272 e-Revist@s: http://www.erevistas.csic.es/ficha_revista.php?oai_iden=oai_revista871 e-mail: revistareunir@gmail.com
THE EFFECT OF LEARNING MOTIVATION TOWARDS STUDENTS’ MATHEMATICS PROBLEM-SOLVING ABILITY: META-ANALYSIS CORRELATIONAL STUDY
Authors: Arili Neza Zakiya , Turmudi Turmudi , Dasari Dadan 
Published: July 2024

Studies emphasize that learning motivation is one of the primary elements that affect the achievement of learning objectives and at the same time, influences the skill of mathematical problem-solving. Research on the correlation between mathematical problem-solving and learning motivation despite numerous attempts at solutions, the correlation value is heterogeneous, making it inconsistent. This study aims to summarize the effect-size values obtained based on the main research through the correlation meta-analysis method. The literature data collection technique used the Google Scholar database which was selected using the inclusion criteria. Primary studies that fit the criteria consisted of 20 studies published in journals, proceedings, and theses from 2016 to 2022. Three steps of data analysis, including publication bias research, random or fixed effect models, and statistical hypothesis testing, were conducted using the Jeffreys Amazing Statistics Program (JASP) program. The results of the study show that there is a positive influence of learning motivation on students' mathematical problem-solving abilities at the elementary, middle, and high school levels in Indonesia in the moderate category (r = 0,56; p < 0,01). The results of this study suggest educators to further optimize students' learning motivation because learning motivation influences the level of students' mathematical problem-solving ability. Keywords: Learning motivation, mathematical problem-solving, problem-solving, meta-analysis
ENHANCING MATHEMATICAL CREATIVE THINKING ABILITY: EXPERIMENTATION WITH REALISTIC MATHEMATICS EDUCATION BY EMBEDDING ICE BREAKING IN JUNIOR HIGH SCHOOL
Authors: Ramadhanta Sury Adellia , Simamora Rustam Effendy , Susanti Dwi 
Published: July 2024

The effectiveness of Realistic Mathematics Education (RME) in improving students' mathematical abilities has been examined through various research. Meanwhile, the use of ice-breaking (Ib), considered by experts and educational researchers as a highly beneficial tactic for improving learning effectiveness, had yet to be fully explored in the context of integration with RME. The study aimed to examine the effectiveness of Ib-RME (RME integrating Ib) in enhancing students' mathematical creative thinking abilities (MCTA) at SMPN 14 Tarakan, Indonesia. Involving 64 seventh-grade students in a quasi-experimental design, the experimental group adopted the Ib-RME approach. In contrast, the control group followed the conventional teaching method employed by mathematics teachers in the class, including ice-breaking activities as normally implemented in the classroom setting. Data analysis using t-tests revealed a significant improvement in MCTA in the Ib-RME group, confirming the effectiveness of this approach. The research noted that conventional teaching also enhanced MCTA, although to a lesser extent than Ib-RME. These findings contributed to understanding the potential integration between RME and Ib in improving Mathematics learning outcomes, particularly in developing MCTA. The implications could serve as a basis for the development of innovative and effective teaching approaches in the mathematics education. Keywords: conventional learning, ice-breaking, mathematical creative thinking ability, realistic mathematics education, school mathematics.
DAYA TAMPUNG SETTLING POND TERHADAP BEBAN PENCEMARAN TOTAL SUSPENDED SOLID DARI LIMBAH BATUBARA PT. JORONG BARUTAMA GRESTON
Authors: Tresnawati Nina , Asmawi Suhaili , Kissinger Kissinger , Fauzana Noor Arida 
Published: July 2024

The impact of the mining process including the emergence of Total Suspended Solids (TSS), either directly or indirectly can disrupt the life of aquatic biota, damage environmental sustainability, and threaten the welfare of humans who depend on the water for various daily purposes. To reduce the burden of pollution on water bodies due to coal mining waste, one of the technologies often chosen is the Wastewater Management Plant (WWTP) system, which generally involves the use of settling ponds. This study aims to analyze the total suspended solids in the settling pond, analyze the total suspended solid capacity, and compile recommendations for total suspended solid management efforts to meet environmental quality standards. The total suspended solids (TSS) values in October and November measurements at the inlet were 339.00 mg/l and 712.00 mg/l while the outlet decreased to 42.50 mg/l and 55.00 mg/l. The total suspended solid (TSS) value during the measurement period of January – December 2023 shows that the TSS value at the inlet and outlet for 12 months shows a value below the quality standard. The first settling pond with a capacity of 15,000 m, and the second to sixth settling ponds have a capacity of 3,000 m3 each. To maintain the capacity of the settling pond at around 60% of its maximum capacity, the volume of TSS deposited ranges from 9,000 m3, while in the second to sixth settling ponds, the volume of TSS deposited each ranges from 1,800 m3.
Penyuluhan Penggunaan Dan Keamanan Obat di Desa Benteng Gajah Kecamatan Tompobulu Kabupaten Maros
Authors: Wahyuni Dwi Fitrah , Hashary A Rufaidah , Nurzak An Nisaa 
Published: July 2024

Pengetahuan mengenai obat merupakan suatu hal yang wajib dimiliki oleh masyarakat. Hal ini disebabkan oleh meningkatnya pengobatan mandiri dilakukan oleh masyarakat yang dapat menimbulkan risiko terjadi kesalahan dalam penggunaan obat, penyimpanan, sampai cara membuang obat yang tidak sesuai dengan petunjuk yang telah ditetapkan. Tujuan dilaksanakannya program pengabdian masyarakat untuk meningkatkan pemahaman Masyarakat tentang penggunaan dan keamanan obat di desa Benteng Gajah Kecamatan Tompobulu Kabupaten Maros. Kegiatan dilaksanakan menggunakan metode penyuluhan dan tematik yang melibatkan masyarakat dalam seluruh kegiatan yang dilaksanakan diawali dengan pengenalan masalah di lokasi kegiatan, lalu merumuskan permasalahan tersebut dan kemudian diidentifikasi pemecahan masalah yang ada lalu dilanjutkan dengan pemantauan dan pengarahan kegiatan dan diakhir dengan evaluasi dan tindak lanjut. Terdapat peningkatan pengetahuan peserta pengabdian dari sebelum dan sesudah penyuluhan secara signifikan (p-value 0,0002), dengan nilai rata-rata pretest yang didapatkan adalah 75 dan nilai rata-rata post test adalah 83. Dari kegiatan pengabdian yang dilakukan di Desa Benteng Gajah Kecamatan Tompobulu, Kabupaten Maros dapat disimpulkan bahwa kegiatan secara keseluruhan berjalan dengan baik dan lancar dan peserta tampak antusias selama mengikuti kegiatan pengabdian ini dilihat dari peningkatan pengetahuan oleh masyarakat. Kata Kunci: Mandiri, Pemahaman, Pengobatan, Risiko Knowledge about drugs is something that society must have. This is caused by the increase in self-medication carried out by the community which can create a risk of errors in drug use, storage, and even how to dispose of drugs that do not comply with the instructions that have been set. The aim of implementing the community service program is to increase community understanding about the use and safety of drugs in Benteng Gajah village, Tompobulu District, Maros Regency. Activities are carried out using outreach and thematic methods that involve the community in all activities carried out starting with recognizing the problem at the activity location, then formulating the problem and then identifying solutions to existing problems, then continuing with monitoring and directing activities and ending with evaluation and follow-up. There was a significant increase in the knowledge of service participants before and after counseling (p-value 0.0002), with the average pretest score obtained was 75 and the average post test score was 83. From service activities carried out in Benteng Gajah Village Tompobulu District, Maros Regency, it can be concluded that the overall activity went well and smoothly and the participants seemed enthusiastic while taking part in this service activity as seen from the increase in knowledge among the community.
Peningkatan Pengetahuan Masyarakat Melalui Edukasi Perilaku Hidup Bersih dan Sehat di Apotek Alnoor Kuala Kapuas
Authors: Tangkas Hansel Hens , Gultom Luis Figo , Rahmatullah Satrio Wibowo , Noor Riskan 
Published: July 2024

Hidup sehat termasuk salah satu gaya hidup yang perlu diterapkan pada semua orang, mengingat manfaat kesehatan yang sangat penting bagi setiap manusia. Hidup sehat dapat mempengaruhi konsentrasi saat beraktivitas pada kehidupan sehari-hari. Kawasan kumuh di Kota Kuala Kapuas terletak di kawasan bantaran sungai yang tidak dilengkapi sarana dan prasarna utilitas (jalan, air bersih, air limbah, drainase dan sisten persampahan) yang baik. Oleh sebab itu, perlu upaya peningkatan Perilaku Hidup Bersih dan Sehat terhadap masyarakat di Kuala Kapuas. Lokasi promosi kesehatan di Apotek Alnoor Kuala Kapuas. Apotek Alnoor berdiri selama 11 tahun dan terletak di sekitar pasar Kuala Kapuas sehingga memudahkan untuk menjangkau pasien. Media yang digunakan pada yaitu media cetak berupa leaflet dan penyampaian secara lisan secara face to face kepada dengan teknik accidental sampling kepada masyarakat yang menunggu antrean pemeriksaan. Hasil menunjukkan nilai pretest sebesar 65,47% yang bermakna belum memahami Perilaku Hidup Bersih dan Sehat (PHBS) dan nilai posttest dengan sebesar 94,04% yang bermakna masyarakat sudah memahami Perilaku Hidup Bersih dan Sehat (PHBS) dan terdapat peningkatan pengetahuan sejumlah 28,57%. Kegiatan promosi kesehatan Perilaku Hidup Bersih dan Sehat (PHBS) dinilai berhasil dengan adanya peningkatan nilai posttest sebesar 28,57% dan diharapkan dapat mengubah perilaku pasien untuk menerapkan hidup bersih dan sehat. Kata Kunci: Kesehatan Fisik, Kesehatan Mental, Pengetahuan, Promosi Kesehatan The Clean and Healthy Living Behavior (PHBS) health promotion activities carried out are expected to change patient behavior. Healthy living is one of the lifestyles that needs to be applied to everyone, given the very important health benefits for every human being., it is necessary to improve the Clean and Healthy Living Behavior of the community in Kuala Kapuas. The location of the health promotion was at Alnoor Pharmacy Kuala Kapuas. Alnoor Pharmacy has been established for 11 years and is located around the Kuala Kapuas market making it easier to reach patients. The media used are printed media in the form of leaflets and oral delivery face to face to the accidental sampling technique. The results showed a pretest value of 65.47% which means that they do not understand Clean and Healthy Living Behavior (PHBS) and a posttest value of 94.04% which means that the community already understands Clean and Healthy Living Behavior (PHBS) and there is an increase in knowledge of 28.57%. Health promotion activities for Clean and Healthy Living Behavior (PHBS) are considered successful with an increase in posttest scores of 28.57% and are expected to change patient behavior to implement clean and healthy living.
Study of the thermal state of the transformer depending on the operating mode
Authors: Meshkov Tymofii , Danylchenko Dmytro , Wolter Martin 
Published: July 2024

Accurate analysis and prediction of the transformer's thermal condition depending on the operating mode, for example, in cold winters with a shortage of electricity, allows for effective planning of regular maintenance. In the course of the work, mathematical models were created to analyze the thermal state of the transformer, in particular, models for finding the temperature of the upper layers of oil and the highest temperature on the transformer winding. The data from these mathematical models were verified by comparing them with an already identified analog model. It was determined that the difference between the results is no more than 7 %. It has been established that the thermal state of the transformer is influenced by the ambient temperature much more than by the load. This is due to the fact that without cases of overload and emergencies, the load on the transformer, depending on the season, does not change significantly. It has been determined that the highest time utilization and the highest temperature on the high and low voltage windings are observed in August, which coincides with the peak ambient temperature. The lowest temperature on the windings and the lowest life utilization of the transformer are observed in January, which also correlates with the lowest ambient temperature. It is determined that under such operating conditions, given that the nominal service life of the transformer is 20 years, the actual service life will be approximately 90 years. It was also found that the reduction in service life in winter is 5 times less than in summer. This allows us to predict a reduction in maintenance needs during the cold months and more intensive maintenance in the summer. In addition, such models can predict potential problems and emergencies, which can significantly reduce the risk of unforeseen outages and increase the reliability of power supply. Regular monitoring and analysis of the thermal condition of the transformer makes it possible to respond quickly to changes in operating conditions and make timely maintenance decisions, which helps to optimize costs and increase the efficiency of power grids.
Strategi Komunikasi Lingkungan Pandawara Group dalam Menyebarkan Kesadaran Ekologis di Kota Bandung
Authors: Nasas Fathiya Sabila , Pradipta Dirgantara  
Published: July 2024

Masalah sampah di Kota Bandung mendesak perhatian serius dengan pertumbuhan populasi dan aktivitas ekonomi yang terus meningkat. Pandawara Group, sebuah inisiatif pemuda, mengambil langkah konkret dengan memimpin gerakan peduli lingkungan melalui program "Clean Up" dan "Ajaraksa". Penelitian ini menggunakan menggunakan teori strategi komunikasi lingkungan yang dikembangkan oleh Richard R. Jurin, Donny Roush, dan Jeff Danter. Teori ini memuat 11 tahapan strategi, mulai dari pernyataan masalah, tujuan, analisis audiens, objektif, hingga pemilihan media dan desain komunikasi. Dengan fokus pada kesadaran ekologis, diintegrasikan dengan teori aspek kesadaran ekologis dari Muhaimin, yaitu aspek pengetahuan, sikap, keterampilan, dan partisipasi masyarakat. Subjek penelitian ini adalah strategi komunikasi yang digunakan oleh Pandawara Group untuk menyebarkan kesadaran ekologis di Kota Bandung. Penelitian ini menggunakan metode kualitatif studi kasus degan objek pada program "Clean Up" dan "Ajaraksa" yang dilakukan oleh Pandawara Group dengan tujuan untuk menyebarkan kesadaran ekologis di Kota Bandung. Hasil penelitian menunjukkan bahwa Pandawara Group telah melakukan strategi komunikasi lingkungan melalui 11 tahapan yaitu pernyataan masalah, tujuan, analisis audiens, objektif, pengembangan pesan, pemilihan media dan desain, jangka waktu, evaluasi awal, evaluasi formatif, evaluasi sumatif, dan anggaran proyek. Namun begitu di setiap tahapannya, tidak selalu mencerminkan aspek kesadaran ekologis, namun setidaknya terdapat satu atau dua aspek yang mencerminkan di setiap strategi komunikasi lingkungan. Dengan memanfaatkan platform digital seperti TikTok dan Instagram, Pandawara Group telah menyebarkan pesan lingkungan kepada audiensnya, terutama generasi muda yang aktif berinteraksi di media sosial.
Periprosthetic Patellar Fracture Fixation With Locking Star-plate: a Case Series
Authors: Hrudka Bryce T. , Hall Jacob T. , Neilson John C. 
Published: July 2024

Abstract

Introduction: This study aims to evaluate the effectiveness of a fixed-angle locking star-plate for the fixation of periprosthetic patellar fractures (PPPFs) in individuals with partial or total knee arthroplasty (TKA). The objectives focus on patient outcomes, complication rates, and functional recovery.
Materials and Methods: A retrospective case series design was utilized, encompassing a chart review at a single-center Level 1 Trauma Center. The population included patients with PPPFs who underwent open reduction and internal fixation (ORIF) with a fixed-angle locking star-plate from September 2021 to January 2023. Clinical examinations and radiographs were used to assess outcomes and complications.
Results: Three patients were treated for PPPFs. A 77-year-old male (Patient 1) resumed normal activities and reported complete pain relief at four months post-ORIF. A 51-year-old female (Patient 2) demonstrated enhanced pain control and increased knee flexion, although she presented a non-healing surgical wound. A 70-year-old female (Patient 3) with severe PPPF and osteoporosis experienced an extensor mechanism disruption and infection, leading to hardware removal and permanent knee extension loss. The follow-up period ranged from 2.5 weeks to four months postoperatively. Conclusions: Fixed-angle locking star-plate fixation for PPPFs generally showed favorable results. However, the treatment of a patient with severe osteoporosis and extensor mechanism impairment resulted in a suboptimal outcome. These findings underscore the importance of tailored approaches to PPPF management and highlight the need for further research to compare treatment methods.