bluuebunny/crossref_metadata_2025_split huggingface dataset:
Well Rehabilitation is a Promising Area for Increasing Hydrocarbon Production
Authors: Piatkivskyi Stanislav , Stavychnyi Yevhen , Femiak Yaroslav , Tershak Bohdan , Ahafonov Danyil , Kovbasiuk Mykhailo 
Published: June 2024

Abstract
This article provides a general description of the potential for increasing hydrocarbon production in Ukraine through the restoration of oil and gas wells by drilling sidetracks, based on an analysis of the fields resource potential. The main factors for selecting candidate wells for sidetracking are described. Each stage of well selection set during the design and direct drilling operations is supported by practical results. The main technical and technological solutions for well rehabilitation are described, taking into account the possibility of minimizing the cost of sidetrack drilling. The approaches to selecting and designing a sidetracked well profile are analyzed in detail. The technological scheme for drilling a sidetrack and the layout of the bottom of the drill string are substantiated. An algorithm for calculating the required length of weighted drill pipes and the length of the casing exit for sidetracking is presented. The peculiarities of using drilling fluids for deepening wells with an assessment of the impact on the coefficient of core permeability recovery are presented. The requirements for high-quality well casing are analyzed on the basis of an assessment of the possibility of running the casing in certain areas of sharp changes in the curvature parameters when drilling a well with a small-sized rock-destroying tool. The main functional criteria of the applied buffer systems are characterized and the necessity of using sedimentation-stable dispersion-reinforced grouting systems for high-quality cementing of sidetracks in conditions of small annular gaps is substantiated.
Inverse Multibody Simulations For Motorcycle Tire Force Analysis
Authors: Tobiáš Martin , Straka Tomáš , Porteš Petr 
Published: June 2024

Abstract
This paper examines the use of inverse multibody system simulations, focusing on its application in the automotive industry, particularly in the context of motorcycle dynamics. The study emphasizes the importance of accurately measuring various parameters, including the calibration of sensors and the determination of motorcycle kinematical description and weight distribution to build an accurate vehicle model. The research highlights the significance of the presented method in evaluating tire characteristics through different manoeuvres, such as ride resistances, longitudinal and lateral behaviours, and their combined dynamics. The results presented, demonstrate the correlation between the calculated tire forces and the motorcycle’s acceleration during these manoeuvres. However, the study acknowledges challenges, such as potential inaccuracies due to the rider’s movements and the limitations associated with sensor error and noise. The paper suggests potential remedies discussed in earlier research, urging further investigation into improving measurement accuracy and reliability in inverse multibody system simulations for motorcycles.
Monitoring of Machinery Components During Their Life Cycle
Authors: Žiaran Stanislav , Šooš Ľubomír , Chlebo Ondrej 
Published: June 2024

Abstract
The article deals with determining the operating state of machinery and its components by processing trend characteristics through measuring mechanical vibration, which determine the end of the lifetime cycle of machine components. It focuses mainly on the area of spinning headstocks and proposes a methodology for permanent monitoring of the dynamic behaviour of the bearings of spinning units. The elaborate the methodology for monitoring bearings leads to an increase in the service lifetime of machinery components. It analyses the causes and frequency and time distribution of vibration.
الحضارة الإسلامية بين الأصالة والتجديد وثورة المعلوماتية
Authors: الجميلي محمد كريم , الحيالي ليث عبد الوهاب 
Published: June 2024

قطعت ثورة المعلومات والاتصالات شوطاً كبيرا في التقدم، وبلغ العلم ذروته في العالم الرقمي حتى أصبحت المعلومة تطوف حول العالم بثواني محدودة، وأزاء هذا التطور الهائل والقفزات النوعية تبقى الحضارة الاسلامية بعلومها الإنسانية رائدة في هذا العالم بفضل ما منحته له من أخلاقيات تحكمه بتوازن وتوجهه نحو خدمة البشرية جمعاء.
ولأجل بيان تطور العلوم التكنولوجية في عصرنا الحاضر لا بدَّ أن نعلم أن كل ما نشهده اليوم من نهضة علمية وفكرية كان للعلماء العرب والمسلمين دور كبير فيها بدليل اعتراف العالم الغربي بذلك الفضل الذين شهدوا لهم بشمال افريقية وقرطبة وسائر الأندلس يوم سادوا العالم بكثرة علمائهم واختلاف تخصصاتهم العلمية والإنسانية.
ولا بد أن نشير الى أنَّ العالم ورغم تقدمه في كل مجالات العلوم والمعارف بثورة تكنولوجية عالمية تبقى كل تلك الانجازات رهينة لمحددات الثوابت الاسلامية في جعل كل العلوم تتبع للعامل الديني والخلقي الذي يفرض تسخير كل تلك الانجازات لخدمة البشرية وبناء المجتمع المثالي، ولا تكون عامل هدم بأن تسخّر التكنولوجيا للفساد الخلقي عن طريق العولمة بكل اتجاهاتها التي تهدم كل المجتمعات باسم تحرير الانسان والتجارة والاقتصاد حتى يكون العالم بأيديهم يسيروه كما يشاؤوا.
دراسة مصطلحات اقتصادية سومرية واثرها في الواقع الاقتصادي
Authors: عبد حيدر عقيل , بدر فرقان علاء الدين 
Published: June 2024

بالإمكان استنتاج معلومات مهمة عن الحالة الاقتصادية العامة للعصر التاريخي أو للمدينة من خلال قاعدة بيانات متكاملة من النصوص المسمارية التي هي عبارة عن آلاف النصوص المسمارية ذات التصنيف و العصر الزمني و المعاملة الاقتصادية الواحدة ، فوجود مثل قاعدة بيانات تختص بموضوع محدد توضح النمط الاقتصادي الذي كان سائدا مكانيا أو زمانيا ، و مع ان هذه الدراسات ربما تكون في بعض الحالات غير متكاملة الجوانب بسبب قلة عدد النصوص من مكان او زمان ما الا انها وفرت معلومات جيدة عن جوانب محددة من حضارة بلاد الرافدين ، و برزت العديد من الدراسات الحديثة المقترنة بجانب البيانات و ما توافرها من احصاءات و أرقام ، و لا سيما تلك المرتبطة بمواقع البحث الالكتروني في شبكة الانترنيت ( (Garfinkle,2013:154)، و توفر هذه المواقع الاكاديمية قاعدة بيانات دقيقة متضمنة الالاف النصوص المسمارية التي لا يمكن الاطلاع على اغلبها في العالم الواقعي، إنّ الاعتماد على الموقع الالكتروني التابع إلى جامعة اوكسفورد Cuneiform Digital Library Initiative جاء بسبب ما يوفره هذا الموقع الاكاديمي من الالاف النصوص المسمارية المتنوعة التي تشمل جميع عصور بلاد الرافدين Garfinkle,2013:155)) مع ما تحويه من معلومات موثقة و امكانية العودة للمصادر الاصلية، و الارشيفات و مراجعتها ، كما ان بقية المواقع الالكترونية تستند في عملها الى هذا الموقع، فضلا عن اعتمادنا على بعض الكتب المختصة بالدراسات المسمارية و التي تشكل مصدرا موثوقا يوفر معلومات متكاملة عن الصيغ .
Beowulf Revisited: A Study of John Gardener’s Novel Grendel
Authors: Madhi Fatma Dhafir 
Published: June 2024

This study presents a critical and textual analysis of John Gardener’s novel, Grendel. Relying heavily upon aspects of post structuralism, the study examines the two texts, Beowulf, an anonymous medieval epic, and John Gardener’s Grendel in terms of their contexts and discourses. The study argues that Grendel is a hypertext that relates to Beowulf by means of transtextualty so as to tackle crucial perspectives of western philosophy, civilizational heritage and thus elucidates its existential discourse. The study concludes that Gardener’s novel is a revisionist narrative that aims at elaborating on the concept of heroic Self as opposed to the antiheroic ‘Other’. Further, the study concludes that Gardener’s, by means of adaptation, presents a new discourse that does not reduce Grendel, the monster in the original epic, to the demonic stereotype of the ‘wronged villain’. The significance of the study springs from the need to liberate literature from the anxiety of aimless imitation and thus enhancing Derrida’s poststructuralist notion which confirms that meaning has no definite closure. The study significantly examines the texts with reference to Gerard Genette’s structural narratology, John Gardner’s The Art of Fiction, and other critics who theorized the main key concepts in intertextuality, appropriation, and adaptation.
Flow and Performance Characterization of Rotating Detonation Combustor Integrated with Various Convergent Nozzles
Authors: Talukdar Shaon , Langner Dalton , Gupta Apurav , Agrawal Ajay K. 
Published: June 2024

In this study, convergent nozzles of various area ratios (ARs) are used downstream of an annular rotating detonation combustor (RDC) to increase the operating pressure and approach sonic conditions at the nozzle throat. Reactant methane and oxygen-enriched air (67% [Formula: see text] and 33% [Formula: see text] by volume) are supplied in counterflow arrangement from two separate plenums located at the base of the RDC annulus. Based on experimentation, a total mass flow rate of [Formula: see text] was chosen to achieve stable, single-wave mode RDC operation for all test cases, allowing for one-to-one comparisons. The internal performance of the RDC was characterized by ion probes and pressure measurements (wall static and oscillating) in supply plenums and across different axial locations of the combustor. Particle image velocimetry (PIV) at 100 kHz was utilized to measure axial and circumferential velocity components within a two-dimensional region of interest located downstream of the converging nozzle exit. Results show higher internal performance of the RDC with increasing AR of the convergent nozzle. PIV measurement illustrated that the flow oscillation amplitudes decrease with an increasing AR of the converging nozzle. The exit flow contained significant nonuniformity and unsteadiness even with a converging nozzle of AR 2.0, indicating incomplete choking of the flow at the nozzle throat.
The Existence of the Jepin Langkah Loncat Tiung Sembilan Dance in Pontianak
Authors: Ricki Ricki , Oktariani Dwi , Ismunandar Ismunandar 
Published: June 2024

The development of dance continues to advance in line with people's lives. Traditional dances generally experience developments that are influenced by the surrounding community, whether the community is a supporting or inhibiting factor for the dance. One of the traditional dance arts that has developed to date is the Jepin Langkah Loncat Tiung Sembilan dance which is currently developing in Pontianak and its surroundings. The Jepin Langkah Loncat Tiung Sembilan dance is a Jepin Langkah dance that was originally developed in 1932 by an artist named Salim Kudong in Kalimas Village, Sungai Kakap District, Kubu Raya Regency. In 1947 Salim Kudong taught Jepin Langkah to Mr Yusuf Daiman. Mr. Yusuf Daiman passed it on to the next generation, namely Mr. Sabaruddin, in 1967. Mr. Sabaruddin developed the Jepin Langkah by taking 9 Jepin Langkah that is langkah bujur (pelebat), langkah gersik, langkah sorong dayung, langkah jarum mesin, langkah betiti batang, langkah baki juadah, langkah tak sampai, langkah loncat tiung, dan langkah besikut so that they become one dance known as the Jepin Langkah Loncat Tiung Sembilan dance. This research aims to describe the existence of the Jepin Langkah Loncat Tiung Sembilan dance. This research uses a qualitative method with an ethnochoreological approach. The existence of the Jepin Langkah Loncat Tiung Sembilan dance cannot be separated from the community, researchers, and government who are supporting factors. Meanwhile, inhibiting factors such as people's interest in studying dance traditions still need greater attention.
POTENSI KERAGAMAN JENIS MANGROVE TEKOLABBUA, KABUPATEN PANGKAJENE DAN KEPULAUAN (Potential Diversity Of Tekolabbua Mangroves, Pangkajene And Kepulauan Regency)
Authors: Nirawati Nirawati , Djafar Muliana , Hadija Hadija , Athira Ain 
Published: June 2024

Information related to the potential of mangroves in the preservation and breeding of forest ecosystems is not comprehensive enough to support the function of mangrove forest ecosystems at large. This study aims to determine the potential diversity of mangrove species in Tekolabbua district pangkajene and islands. The method used was systematic line sampling with random start and data analysis using quantitative descriptive approach to determine the potential diversity of mangrove species based on the structure, composition, and diversity of mangrove species. The results showed that the structure of mangrove stands in the diameter class was dominated by Avicennia alba species in each diameter class. The composition of mangrove species found were Sonneratia alba, Avicennia alba, and Rhizophora mucronata with INP at the seedling growth rate of Avicennia alba 200% and at the sapling and tree level the highest INP was found in Avicennia alba with an INP value of 105.799% sapling level and 159.97% tree level INP. While the lowest INP value is found in Rhizophora mucronata species with an INP value for the sapling level of 95.54% and an INP value for the tree level of 45.16%. The species diversity index is classified as low with a moderate level of evenness, indicating that the Tekolabbua mangrove community, Pangkajene Regency and the islands are classified as still unstable.Keywords: Stand, Structure, Species, Composition, Mangrove.AbstrakInformasi terkait potensi mangrove dalam pelestarian dan pemuliaan ekosistem hutan belum cukup komprehensifnya dalam medukung fungsi ekosistem hutan mangrove secara luas. Penelitian ini bertujuan untuk mengetahui potensi keragaman jenis Mangrove di Tekolabbua kabupaten pangkajene dan kepulauan. Metode yang digunakan adalah systematic line sampling with random start dan Analisis data mengunakan pendekatan deskriptif kuantitatif untuk mengetahui potensi keragaman jenis mangrove berdasarkan struktur, komposisi, dan keragaman jenis mangrove. Hasil penelitian menunjukkan struktur tegakan mangrove pada kelas diameter didominasi oleh spesies Avicennia alba pada setiap kelas diameter. Komposisi jenis mangrove yang ditemukan adalah Sonneratia alba, Avicennia alba, dan Rhizophora mucronata dengan INP pada laju pertumbuhan semai Avicennia alba 200% dan pada tingkat pancang dan pohon INP tertinggi terdapat pada Avicennia alba dengan nilai INP sebesar tingkat pancang 105,799% dan INP tingkat pohon 159,97%. Sedangkan nilai INP terendah terdapat pada spesies Rhizophora mucronata dengan nilai INP untuk tingkat pancang 95,54% dan nilai INP untuk tingkat pohon 45,16%. Indeks keanekaragaman jenis tergolong rendah dengan tingkat kemerataan sedang, menunjukkan bahwa komunitas mangrove Tekolabbua Kabupaten Pangkajene dan kepulauan tergolong masih labil.Kata kunci: Struktur, Tegakan, Komposisi, Keragaman, Kemerataan, Mangrove
ETNOBOTANI TANAMAN KRATOM (Mitragyna speciosa) OLEH MASYARAKAT DI SEKITAR DAS LABIAN DI DESA LABIAN IRA’ANG KECAMATAN BATANG LUPAR KABUPATEN KAPUAS HULU
Authors: Herawatiningsih Ratna , Sabtiani Rita , Tavita Gusti Eva 
Published: June 2024

Ethnobotany is a branch of science that studies the direct relationship between humans and plants in terms of their use and management, especially in traditional societies. The aim of this research is to document the ethnobotany and use of the kratom plant by the community in Labian Ira'ang Village. The Kratom plant (Mitragyna speciosa) is a type of endemic plant originating from Kalimantan and planted by the people of Labian Ira'ang village. There are two types of Kratom plants in Labian Ira'ang Village, namely red leaf veins and green leaf veins. The results of this research found that the ethnobotanical kratom plant can be used as traditional medicine, can also be used in traditional events, and can be used as a natural dye to make woven fabrics. Apart from that, kratom leaves have high economic value because they can be sold and are in great demand, while kratom wood can be used as a building material, for example to make huts and firewood for the community. The leaves can be used as mosquito coils.Keywords: Alkaloids, Mitragynin, Herbal Kratom Tea.Abstrak Etnobotani adalah cabang keilmuan yang mempelajari hubungan langsung antara manusia dengan tumbuhan dalam hal pemanfaatan dan pengelolaannya terutama pada masyarakat tradisional. Tujuan penelitian ini adalah untuk mendokumentasi etnobotani dan pemanfaatan tanaman kratom oleh masyarakat di Desa Labian Ira’ang. Tanaman Kratom (Mitragyna speciosa) merupakan salah satu jenis tumbuhan endemik yang berasal dari Kalimantan dan ditanam oleh masyarakat di desa Labian Ira’ang. Tanaman Kratom di Desa Labian Ira’ang terdapat dua jenis yaitu vena daun merah dan vena daun hujau. Hasil dari penelitian ini ditemukan bahwa etnobotani tanaman kratom ini dapat dimanfaatkan sebagai obat-obatan tradisional, dapat juga dimanfaatkan dalam acara adat, dan dapat dijadikan sebagai pewarna alami untuk membuat kain tenunan. Selain itu daun kratom mempunyai nilai ekonomis yang tinggi karena dapat dijual serta banyak peminatnya, sedangkan kayu kratom bisa digunakan sebagai bahan bangunan misalnya untuk membuat pondok dan kayu bakar bagi masyarakat. tulang daunnya dapat digunakan untuk obat nyamuk bakar.Kata kunci: Alkaloid, Mitragynin, Herbal Teh Kratom.
Analisis Sentimen Ulasan Pengguna Aplikasi M-Banking Menggunakan Algoritma Support Vector Machine dan Decision Tree
Authors: Zelina Nur , Afiyati Afiyati 
Published: June 2024

Kemajuan teknologi dan informasi membawa pengaruh besar pada kehidupan manusia. Pemanfaatan teknologi tersebut telah banyak digunakan manusia khususnya adalah pemanfaatan teknologi internet. Internet yang dapat digunakan dengan harga yang terjangkau beserta dengan perangkat keras pendukung yang mudah didapatkan telah membawa manusia ke dalam era yang lebih modern. Pada penelitian ini melakukan analisis sentimen terhadap penggunaan aplikasi Motion Banking menggunakan algoritma Support Vector Machine (SVM) dan algoritma Decision Tree. Penelitian ini menggunakan metode Knowledge Discovery in Database (KDD). Tujuan dari penelitian ini adalah untuk mengklasifikasikan data ulasan dari pengguna aplikasi Motion Banking kedalam sentimen positive dan negative dengan mempelajari pendapat pengguna tentang aplikasi Motion Banking melalui ulasan yang diberikan, dan untuk mengetahui performa dari metode pengklasifikasi yang digunakan. Pada penelitian ini data diperoleh dengan cara mengangkat data dari ulasan pengguna aplikasi Motion Banking pada Google Play Store menggunakan teknik scraping dan berhasil mendapatkan 7000 data ulasan. Hasil terbaik diperoleh pada skenario 3 (70:30) menggunakan algoritma Support Vector Machine dengan kernel Linear yang menghasilkan accuracy sebesar 93,7%, precision 93,6%, recall 91%, dan f1-score 92,3%, sedangkan untuk algoritma Decision Tree memiliki nilai accuracy 83%, precision 80,7%, recall 77%, dan f1-score 79,1%.
TINGKAT PENCAPAIAN ASPEK PERKEMBANGAN SOSIAL EMOSIONAL ANAK USIA 5-6 TAHUN MELALUI PERMAINAN TRADISIONAL TAPO’ PIPIT DI TK PRIMANDA UNTAN PONTIANAK
Authors: Devianti Diana , Halida Halida , Lukmanulhakim Lukmanulhakim , Ramadhani Ariyani 
Published: June 2024

Social emotional development is an increase in children's developmental achievements that needs to always be honed, one of which is through traditional games. Playing is the world for children, especially young children. Traditional games such as Tapo' Pipit can be used as fun playing media for children. This research aims to measure the level of achievement of social emotional development aspects of children aged 5-6 years by playing the traditional game Tapo' Pipit. This research uses descriptive methods with quantitative descriptive analysis techniques and data collection techniques using observation and documentation. The results of the research show that the level of achievement in the social emotional development aspects of children aged 5-6 years by playing Tapo' Pipit is 91% in the BSH category and 9% in the MB category, while in the BB and BSB categories each is 0%. So, it can be concluded that through the traditional game Tapo' Pipit we can determine the level of development of social emotional aspects in children aged 5-6 years.Keywords: Early childhood, Tapo' Pipit game, social emotional aspects AbstrakPerkembangan sosial emosional merupakan suatu peningkatan pencapaian perkembangan pada anak yang perlu selalu diasah, salah satunya melalui permainan tradisional. Bermain merupakan dunia bagi anak-anak, terutama anak usia dini. Permaianan Tradisional seperti Tapo’ Pipit bisa dijadikan media bermaian yang menyengkan bagi anak. Penelitian ini bertujuan untuk mengukur tingkat pencapaian aspek perkembangan sosial emosional anak usia 5-6 tahun dengan bermain permainan tradisional Tapo’ Pipit. Penelitian ini menggunakan metode deskriptif dengan teknik analisis deskriptif kuantitaif dan teknik pengumpulan data menggunakan observasi dan dokumentasi. Hasil penelitian menunjukan bahwa tingkat pencapaian aspek perkembangan sosial emosional anak usia 5-6 tahun dengan bermain Tapo’ pipit yaitu, nilai sebesar 91% pada kategori BSH dan 9% pada kategori MB sedangkan pada kategori BB dan BSB masing-masing sebesar 0%. Jadi, dapat disimpulkan bahwa melalui permainan tradisional Tapo’ Pipit ini dapat diketahui tingkat pencapaian perkembangan aspek sosial emosional pada anak usia 5-6 tahun. Kata Kunci: Anak usia dini, permainan Tapo’ Pipit, aspek sosial emosional
Effect of Sex and Lateral Ankle Sprain History on Dorsiflexion Range Of Motion Asymmetry During the Weight Bearing Lunge Test
Authors: Cady kathrine P , De Ste Croix Mark , Deighan Martine 
Published: June 2024

Background Reduced dorsiflexion range of motion (DFROM) which is commonly seen following lateral ankle sprain (LAS) has the potential to influence lower extremity biomechanics which have been linked to increased injury risk in the female athlete. Current research on the effect of sex and LAS history on DFROM is limited. Hypothesis/Purpose This study had three aims 1) to determine the effect of sex, leg dominance and LAS history on DFROM, 2) to determine the effect of sex and LAS history on magnitude of DFROM symmetry and 3) to examine the association of sex on direction (whether dominant or non-dominant limb had the higher DFROM) of symmetry. Study Design Cross-Sectional Study Methods DFROM was measured bilaterally in 105 recreational athletes all participating in multidirectional sports using the tape measurement method during the weight bearing lunge test (WBLT). A mean of three measurements was used for analysis. A 3-way mixed ANOVA was carried out to determine the interaction between sex, LAS history and leg dominance on DFROM and a 2-way ANOVA for the effect of sex and LAS history on asymmetry. A chi-square test was used to determine the association of sex and direction of asymmetry. Results The results indicate no significant effect of sex, LAS history, and leg dominance on DFROM (p=0.65). Main effects were significant for sex and LAS on DFROM. The mean asymmetry for all participants was reported as 12.25±14.76cm. No significant effect of sex and LAS history on magnitude of asymmetry was reported. There was a significant association of sex and direction of asymmetry (χ2(1) = 11.26, p = 0.00). Sixty-five-point two percent of males were shown to have higher DFROM of their non-dominant limb compared to 75% of females who were higher in their dominant limb. Conclusion Findings from this study suggest that DFROM is affected by sex and LAS history. While females have increased DFROM compared to males, those with LAS history are more likely to have a decreased DFROM on the involved side. The results also indicate that interlimb asymmetries in DFROM are present in athletes, therefore practitioners should exercise caution when using bilateral comparisons in injury and return to play assessments. Level of Evidence 2b.