bluuebunny/crossref_metadata_2025 huggingface dataset:
What’s Your Problem? Writing Effective Research Questions for Quality Publications
Authors: Purvis Alison , Nicholas Victoria , Tai Joanna
Published: November 2024

Research questions play a central role in papers, indicating the phenomenon or problem that is being addressed, and clearly stating what is being investigated. Indeed, the presence of research questions within a research article is an established quality indicator, and research questions form the basis of determining hypotheses, methodology, methods, and how interpretations and analysis of outcomes are undertaken. Given the key purpose of a research article is to communicate the phenomenon or problem that is being addressed, research questions play a central role in clearly stating what is being investigated. The Journal of University Teaching and Learning Practice (JUTLP) seeks to publish high quality research papers which offer impactful guidance for teaching and learning practice in higher education. In this editorial, we explore what research questions are, how they are used, their key characteristics, different types of questions, and how to write them. We also make practical recommendations for authors, reviewers, and editors in how to use research questions, what to look out for when reviewing manuscripts and making decisions, and how to best support authors in producing quality publications by ensuring impactful research questions are included.
Tabla periódica de los elementos químicos. Ciento cincuenta años de historia
Authors: Contreras Ricardo
Published: November 2024

La tabla periódica de los elementos químicos constituye uno de los mayores esfuerzos por sistematizar las propiedades de los elementos químicos y, en consecuencia, las propiedades de las sustancias de las cuales se compone el universo. Detrás de la tabla periódica se encuentra el trabajo, meticuloso y organizado de varias generaciones de científicos que, desde diversas ramas del conocimiento y por varias centurias, se dedicaron a estudiar las propiedades de la materia y de los elementos de los cuales está constituida. El atomismo y la alquimia, la teoría atómica y la cuántica, las leyes y principios que describen el comportamiento químico y la reactividad, desarrolladas entre los siglos XVIII y XX, o el descubrimiento de elementos químicos y la determinación de los pesos atómicos (masas atómicas), fueron configurando el momento propicio para que, en 1869, DmitriMendeléiev propusiera, prácticamente al mismo tiempo que Julius Lothar Meyer, una tabla periódica para los elementos químicos, y su inmediata consecuencia, la ley periódica. En 2019, al celebrar el ciento cincuenta aniversario de la publicación de la tabla periódica de Mendeléiev, queremos contribuir con un artículo de divulgación que, sobre la base de una revisión de artículos y libros de texto, persigue ubicar al lector en los aspectos más resaltantes de la historia de la tabla periódica, tomando en cuenta que, seguir la evolución histórica de la tabla periódica de los elementos químicos, permite hacer un excelente recorrido por la historia de la química.
Residuos de la cáscara de yuca y cera de abejas como potenciales materiales de partida para la producción de bioplásticos
Authors: Briones Sofía , Riera María
Published: November 2024

Se caracterizaron los residuos de la cáscara de yuca y de la cera de abeja como potenciales materiales de partida en la elaboración de bioplásticos. Se estudió el efecto de la hidrólisis ácida y alcalina sobre la formación de azúcares reductores totales (ART) en el almidón de cáscara de yuca, cera de abeja y su residuo. Las características del almidón indican que puede emplearse como almidón termoplástico. Los mejores resultados de los ART se tuvieron para la hidrólisis alcalina, siendo el residuo de la cera de abeja seguido del almidón de la cáscara de yuca, los mejores sustratos para procesos fermentativos precursores de los biopolímeros.
Un poblado prehispánico jerarquizado en Santa María de Nueva Segovia, Nicaragua, 300 al 995dc
Authors: Lechado Ríos Leonardo Daniel , Balladares Navarro Sagrario , González H. Kevin
Published: November 2024

El rescate de evidencias arqueológicas ocurrido entre 2021 y 2022 en la parte sur del municipio de Santa María de Nueva Segovia, reveló sus raíces ancestrales expresadas en los restos de un poblado antiguo documentado en un área extensa localizado entre las comunidades de El Zapotal-Las Brisas y Sipilde en la frontera entre Nicaragua y Honduras. El estudio, de enfoque multidisciplinario, combinó arqueología, geología, antropología y topografía; con el objetivo de documentar el patrón de asentamiento de “Ciudad Perdida” y sus posibles vínculos regionales. Se realizaron prospecciones y excavaciones estratificadas que permitieron recuperar material arqueológico significativo, incluyendo 303 estructuras distribuidas en cuatro conjuntos arquitectónicos. Se obtuvo como resultado, la comprensión de una organización social compleja expresada en la extensión y estructuración espacial del poblado, en sus sistemas constructivos y en sus prácticas cotidianas. Esta comunicación enfatiza en las características arquitectónicas y en aquellas prácticas ancestrales que aún perviven.
Venta directa multinivel: perfil sociodemográfico, motivos de ingreso y estrategias personales de trabajadoras mexicanas afiliadas
Authors: Montes Guerrero Leonor Adriana , Godínez Flores Juan Manuel , Calderón Guerrero Gabriela
Published: November 2024

Esta investigación presenta las características sociodemográficas e indaga sobre los motivos de ingreso y las estrategias de comercialización implementadas por una muestra de mujeres que labora en el negocio de la Venta Directa Multinivel (VDM).  El trabajo es de tipo descriptivo con un enfoque cualitativo y una perspectiva configuracionista. Se entrevistó a profundidad a veinte afiliadas a dos empresas VDM en Querétaro, México. Algunos de los resultados de este estudio muestran que: a) las entrevistadas cuentan con alta escolaridad, lo que constituye una diferencia relevante respecto a otras investigaciones en Latinoamérica y el mundo; b) el motivo más importante para ingresar a esta industria es considerarla un “buen negocio”; c) se detectaron cinco grandes tipos de estrategias de comercialización desarrolladas por las participantes. Si bien el modelo VDM pudiera ser considerado como un “buen modelo de negocio”, los hallazgos permiten afirmar que genera riesgos importantes (económicos, psicosociales, entre otros) para las afiliadas. De esta forma, el modelo VDM refuerza la vulnerabilidad de las mujeres para quienes ni siquiera la alta escolaridad es un garante de un ingreso digno y condiciones de trabajo no precarizado.
Study skills needs to be more than mindmaps and flashcards
Authors: Powell Lucinda
Published: November 2024

Our school career culminates in a set of exam results, but if students want to do well, attending lessons is not enough: the implicit expectation is that all students will reinforce learning independently outside of the classroom. Really effective learners employ effective independent study techniques, but when, how and where do they learn to do this? Currently there is no coherent consensus on how we should teach young people to become effective independent learners. Most schools, as far as it is possible to know given the scant research, do not teach study skills effectively – using one off sessions or PSHE sessions simply to teach strategies (Purdie & Hattie, 1999 & a very unscientific social media poll, 2024). Many students, as they move through the educational system, need to make significant behavioural changes to the way they learn independently To support students in this I have developed a curriculum that draws on a wide range of psychological domains to help students not only learn effective study techniques, but also to help them develop more helpful study habits. Whilst ever evolving and difficult to evaluate, the feedback from students and parents has convinced me that the course curriculum is impactful, enabling students to tackle independent study, revision and exams with confidence.
Pinjaman online dalam hukum ekonomi islam
Authors: Saputra Dedi
Published: November 2024

Masalah utama dalam penelitian ini adalah tentang perkembangan pinjaman online di Indonesia dengan syarat adanya penambahan saat pembayaran terjadi sesuai dengan perjanjian, terdapat juga Tindakan mengancam serta menyebarkan aib atau informasi dari Nasabah. Metode penelitian yang digunakan yaitu doktriner atau penelitian dogmatis untuk mencari solusi sikronisasi hukum. Melalui studi pustaka (library research) terhadap berbagai dokumen dan literatur hukum yang terkait, data diolah dan dilakukan analisis secara kualititaif. Hasil penelitian menunjukkan praktek yang dilakukan pinjaman online terdapat pertambahan dengan bunga dalam fiqh muamalah hal tersebut termasuk riba. Dalam hukum Islam riba hukumnya haram. Mengancam merupakan perbuatan yang dilarang dalam islam bahkan dianjurkan untuk memberikan tambahan waktu untuk nasabah serta tidak boleh mengumbar aib dari nasabah karena itu perbuatan fasiq dan dosa besar. Didalam sejarah islam bahwa hutang piutang pernah terjadi di zaman nai muhamad saw dan sahabatnya namun praktek-praktek pinjol pada zaman modern ini telah jauh berbeda. Penggunan sistem elektronik dalam kemajuan zaman modern diperbolehkan namun terjadinya praktek riba, penyebaran aib serta pengancaman dalam menagih hutang itu yang menjadi masalah pinjaman online saat ini dan tidak sesuai syariat islam.Kata kunci : Pinjaman online, Ushul Fiqh, Maqasid Syariah, Kaidah Fiqih,
ANALISIS PRAKTIK JUAL BELI DENGAN KONSEP MULTI LEVEL MARKETING (MLM) PERSPEKTIF HUKUM ISLAM
Authors: Miftah Zaini
Published: November 2024

Bisnis Multi Level Marketing (MLM) merupakan bisnis yang sudah lama ada dan berkembang di Indonesia. Sistem penjualan bisnis Multi Level Marketing (MLM) dilakukan dengan cara menjaring calon nasabah untuk menjadi konsumen dan sekaligus member dari perusahaan yang melakukan MLM tersebut. Ketika sudah resmi menjadi member, maka tugas member tersebut adalah mencari calon member-member baru lebih banyak lagi. Mengenai produk atau barang yang dijual apakah halal atau haram tergantung kandungannya, apakah terdapat sesuatu yang diharamkan Allah seperti unsur babi, khamr, bangkai atau darah. Metode penelitian yang digunakan peneliti adalah metode penelitian kualitatif dengan library research (kajian pustaka). Hasil penelitian adalah hukum dari bisnis Multi Level Marketing (MLM) yaitu diperbolehkan selama bisnis tersebut bebas dari riba (permainan bunga), zhulm (merugikan atau tidak adil terhadap salah satu pihak), gharar (penipuan), dharar (bahaya), jahalah (tidak transparan/ketidakjelasan) dan maysir (perjudian atau arisan berantai).
DIMENSI NILAI TAUHID DALAM UNDANG-UNDANG REPUBLIK INDONESIA NOMOR 23 TAHUN 2011 TENTANG PENGELOLAAN ZAKAT
Authors: Ikhsan Muhammad Miftahul
Published: November 2024

Agama memiliki tiga dasar pokok yakni iman, islam dan ihsan, pembahasan dalam iman adalah nilai tauhid, ketuhanan. Islam mengajarkan bahwa agama tidak hanya sebatas dalam beribadah, namun bisa diterapkan dalam aspek berkehidupan, dengan menerapkan prinsip ketuhanan, Ihsan dalam arti melakukan perbuatan baik, digolongkan menjadi 4 macam yaitu: berbuat baik kepada Allah. Jenis penelitian ini menggunakan penelitian kepustakaan yang mengambil data melalui informasi dengan mendapatkan bahan Pustaka, Teknik pengumpulan data penelitian ini menggunakan dokumentasi. data yang telah didapatkan dengan mengkaji serta menganalisa, baik berbentuk buku, jurnal, hasil penelitian. Serta dengan menggunakan Teknik analisis deskriptif. tauhid ialah mengesakan Allah dengan keyakinan bahwa Allah sang pencipta alam semesta beserta seluruh isinya. Tauhid terbagi menjadi tiga macam yaitu tauhid rububiyah, tauhid uluhiyyah, tauhid asma’ wa sifat. Aspek ekonomi pada kehidupan tak luput dari pandangan Allah, berkenaan dengan zakat dijelaskan bahwa zakat itu untuk membersihkan diri manusia. Perspektif dari nilai tauhid dalam Undang-Undang Republik Indonesia Nomor 23 Tahun 2011 Tentang Pengelolaan Zakat bahwa undang-undang ini mengambil sumber bahwa menunaikan zakat adalah kewajiban umat muslim sesuai dengan Qur’an. Pada pasal dua yang membahas tentang asas dalam pengelolaan zakat seperti Amanah, kemanfaatan, keadilan, kepastian hukum, integrasi serta akuntabilitas. Maka dari segi tauhid asma’ wa sifat dari asas ini memang menjadi bagian dari tauhid dikarenakan asas ini termasuk juga kedalam asmaul husna seperti keadilan dalam asmaul husna yaitu al-adlu yang maha adil.
Perceraian Dalam Perspektif Fikih Dan Kompilasi Hukum Islam
Authors: Masodi Masodi , Haza Haza , Bakri Syaiful
Published: November 2024

Akad nikah dalam agama islam sebagai pintu gerbang menuju terwujudnya keluarga sakinah mawaddah warahmah. Tanpa akad nikah, hubungan suami isteri dipandang tidak sah. Dalam kehidupan berumahtangga tidak terlepas dari yang namanya permasalah, percekcokan antara suami dan istri. Banyak masyarakat yang mampu mengatasi permasalah tersebut, tetapi banyak pula permasalah yang muncul dalam kehidupan berumah tangga yang berujung penceraian. Tujuan penelitian ini adalah untuk mengetahui 1) putusnya perkawinan/ talak (perceraian dalam perspektif fiqih dan komplikasi hukum islam; 2) hukum menjatuhkan talak; dan 3) cara menjatuhkan talak menurut fikih. Metode penelitian ini adalah Metode penelitian yang digunakan dalam penelitian ini adalah dengan metode yuridis normatif melalui pendekatan kajian normatif melalui berbagai ketentuan mengenai perceraian dalam perspektif fikih dan kompilasi hukum islam. Hasil penelitian ini adalah Pelaksanaan talak atau cerai dalam perspektif ulama klasik sangat bebas dan tergantung kepada kehendak suami, sebab dialah yang memiliki hak cerai dan tidak perlu dengan meminta pertimbangan isteri. Talak dapat dijatuhkan di mana saja, kapan dan dalam kondisi apapun. Menurut Kompilasi Hukum Islam, talak atau cerai hanya sah jika dilakukan di depan sidang Pengadilan Agama setelah upaya damai tidak dapat dicapai. Hukum mnejatuhkan talak yaitu Wajib, Sunnah, Makruh, Mubah dan Haram
PATERNITY DALAM PERSPEKTIF HUKUM ISLAM PADA NEGARA-NEGARA MUSLIM DI DUNIA
Authors: Putra Adji Pratama
Published: November 2024

Penelitian ini mengkaji tentang keabsahan anak, hak asuh anak, dan perwalian anak perspektif hukum Islam yang ada di negara-negara muslim di dunia. Penelitian ini bertujuan untuk mengetahui bagaimana pelaksanaan keabsahan anak, hak asuh anak, dan perwalian anak perspektif hukum Islam yang ada di negara-negara muslim di dunia. Penelitian ini menggunakan studi pustaka (library research) dengan mengumpulkan data-data kualitatif. Data diperoleh dengan mengumpulkan dari beberapa sumber yang didapat seperti buku dan artikel jurnal. Pendekatan dalam penelitian ini yaitu normatif dengan menganalisis aturan-aturan yang terdapat di beberapa negara yang berhubungan dengan keabsahan anak, hak asuh anak, dan perwalian anak yang telah ada serta dideskripsikan secara jelas. Hasil penelitian ini menunjukkan bahwa Kkeabsahan anak, hak asuh anak, dan perwalian anak memiliki ketentuan yang berbeda beda serta diatur dalam undang-undang yang berbeda pada setiap negara muslim di dunia.
Ansiedade, depressão e estresse nos estudantes do primeiro ano de medicina da universidade tiradentes: uma revisão de campo
Authors: Carvalho Bruna Fontes de , Pereira Isadora Cristina Rodrigues de Amorim , Roza Isadora Fonseca Santa , Souza Janaína da Silva , Azevedo Maria Regina Domingues , Lima Trícia Waleska Carneiro Cordeiro , Melo Laís Oliveira , Oliveira Halley Ferraro
Published: November 2024

A transição para a vida universitária em cursos desafiadores, como Medicina, é um período que traz altos níveis de estresse e uma crescente prevalência de transtornos mentais, incluindo ansiedade e depressão. Esses fatores afetam diretamente o bem-estar dos estudantes e, consequentemente, sua capacidade de cuidar de pacientes. Um estudo realizado com alunos do primeiro ano de Medicina revelou que uma parcela significativa enfrenta estresse moderado a alto, com 53,6% apresentando sinais de ansiedade e 22,7% indicando depressão. A pesquisa destaca a relação entre estresse, ansiedade e depressão, mostrando que uma qualidade de vida inferior está associada a níveis elevados de estresse. Esses dados ressaltam a importância de implementar estratégias de suporte à saúde mental nas instituições de ensino. Integrar programas e intervenções que ajudem os alunos a gerenciar suas demandas emocionais é essencial, pois isso não apenas melhora o bem-estar dos estudantes, mas também aprimora a qualidade do atendimento que poderão oferecer no futuro. Portanto, é fundamental que as universidades priorizem a saúde mental como parte integrante da formação médica.
To what extent can prisoners dilemma in game theory be used in pricing strategy?
Authors: Wang Zhouhao
Published: November 2024

The title of this dissertation is to what extent can prisoners dilemma in game theory be used in pricing strategy? The purpose of the current study was to determine the extent of prisoner's dilemma used in pricing strategies, and how the prisoner's dilemma is used in pricing strategies. We first comprehensive analysis and evaluation of relevant literature about prisoners dilemma and common pricing strategies in literature review section. Then in discussion part, we use game theory models to describe and analyze the prisoner's dilemma in pricing strategies to predict various situations, make the optimal pricing strategies. In the dissertation, we found the effects of prisoners dilemma strategies on payoffs when pricing and explained why cooperative pricing agreements promote mutual benefits and long-term stability than non-cooperative pricing strategies. Then we analyzed the stability of cooperative pricing strategy, we also developed a pricing model based on Bayes theorem. Our research has important implications for economics, marketing and game theory. By applying prisoner's dilemma theory, firms can better understand the behavioral of competitors and enhance decision-making processes, optimize their pricing strategies, thereby enhancing market efficiency and profitability.
Bibliometric analysis of citizen science in global healthcare: Current trends, challenges, and future directions
Authors: Feng Yeming
Published: November 2024

With the development of information technologies such as big data, cloud computing, and artificial intelligence, the application scenarios of citizen science worldwide are no longer limited to natural science research. A large number of application cases have emerged in the field of medical health, which suggests that the development of citizen science may bring new impetus to medical health. This study employs CiteSpace for a bibliometric analysis to evaluate the current status, objectives, and methodologies of citizen science in global healthcare. An analysis of 248 articles from the Web of Science Core Collection reveals that citizen science is predominantly implemented in high-income countries, including the United States, the United Kingdom, Germany, and the Netherlands, with significant applications in public health, chronic disease management, infectious disease surveillance, and digital health. The COVID-19 pandemic has further catalyzed the integration of citizen science into health surveillance and public health responses. Conversely, in low- and middle-income countries (LMICs), the development and implementation of citizen science remain nascent, primarily concentrated in traditional domains such as environmental science, ecology, and biodiversity conservation, with limited penetration into the healthcare sector. Several structural barriers, including inadequate technological infrastructure, insufficient policy support, limited public engagement, and constrained resource allocation, have impeded the broader adoption of citizen science in these regions. To mitigate these challenges, this study proposes targeted strategies, these interventions are anticipated to facilitate the expansion of citizen sciences role in global health governance, ultimately contributing to improved public health outcomes and social welfare.
Pengaruh Media Pembelajaran Powtoon pada Materi Sel Terhadap Hasil Belajar Peserta Didik Kelas XI Madrasah Aliyah Pesantren Guppi Samata
Authors: Ernawati Ernawati , Rivai Andi Tenri Ola , Hamansah Hamansah
Published: November 2024

This research covers the application of PowToon learning media to improve student learning outcomes in Cell material. The purpose of this study is to determine the influence of the use of PowToon learning media on the learning outcomes of students in the material of Cell XI MA MA Guppi Samata Islamic Boarding School. This study included a pseudo-experiment using a non-equivalent pretest posttest control group design. The population in this study is all students of class XI MA Guppi Samata Islamic Boarding School consisting of 2 classes. The sampling technique in this study is by using the purposive sampling method. The research instrument is in the form of a learning outcome test consisting of 30 multiple-choice questions. Data analysis techniques use descriptive statistics and inferential statistics. The results of the study showed that students who were taught using PowToon learning media had an average learning outcome of 87.36, while students who were taught using Conventional learning media (Biology Package books) had an average learning outcome of 71.3. The results of inferential statistical analysis obtained a sign value for learning outcomes of 0.000, this value shows that sign < α = 0.000 < 0.05 so that H0 is rejected and H1 is accepted. Based on the results of the analysis, it can be concluded that the application of PowToon learning media has an effect on the learning outcomes of students in the Class XI Cell material of Madrasah Aliyah Guppi Samata Islamic Boarding School.
Uji Aktivitas Antibakteri Lendir Bekicot (Achatina Fulica) Terhadap Bakteri Escherichia Coli Dan Uji Kadar Total Protein
Authors: Otu Larasati Rambu , Iswandi Iswandi , Wulandari Destik
Published: November 2024

Bekicot (Achatina fulica) memiliki lendir dengan kandungan utama meliputi zat beta aglutinin, protein Achasin, acharan sulfat dan glikokonjugat. Lendir bekicot juga dapat mengobati infeksi luka pada saluran pencernaan maupun infeksi daerah operasi (IDO) yang salah satunya disebabkan oleh bakteri Escherichia coli. Penelitian ini memanfaatkan kandungan antibakteri yang terdapat pada lendir bekicot untuk menghambat koloni bakteri Escherichia coli dan mengetahui kadar total protein pada lendir bekicot. Uji aktivitas antibakteri menggunakan metode difusi cakram dan analisis kadar total protein pada lendir bekicot dianalisis menggunakan metode biuret dengan Spektrofotometer UV-Vis dan albumin sebagai larutan standar. Hasil penelitian dimasukan dalam data tabel dan dianalisis secara deskriptif. Hasil uji kuantitatif pada pengujian aktivitas antibakteri lendir bekicot menunjukan bahwa terdapat aktivitas antibakteri dari lendir Bekicot terhadap bakteri Gram negatife Escherichia coli dengan konsentrasi 100%, 50% dan 25% memiliki zona bening secara berurut 14, 11.88 dan 8.66 mm. Hasil perhitungan kadar total protein menggunakan metode Spektrofotometer UV-Vis sebesar 11%, pengujian ini menghasilkan total kadar protein tinggi dikarenakan terdapat 1108,29 mg/mL kandungan protein dalam 1 mL lendir bekicot.
The Effects of Human Resource Management Deficits on Science Education in Basic School Management
Authors: Emmanuel Annan-Noonoo , Tindan Thomas N
Published: November 2024

The assessment of human resource management (HRM) policies and programs of teachers and management under Ghana Education Service (GES) has been studied, centering mainly on the science teachers of Presbyterian Senior High School, Tema, Ghana. The study examined how Ghanaian public school administration is affected by the absence of human resource managers. It assessed how well policies and programs operate to inspire teachers and enhance their welfare. The research findings indicated that the source of recruitment of science tutors to the Ghana Education Service was from educational universities and colleges. Nevertheless, other policies have been unsuccessful in bridging the gap between teaching professionals and their deserved welfare and other basic needs since the Human Resource Directorate of GES is situated at the district education office which science teachers have no direct contact, to direct their needs. Government School administrators most often lack HRM qualifications which leads them to always focus on teachers' supervision and not consider their well-being. Again, strategic policies like postings, recruitment, and maternity leave were found to meet the expectation of the teachers. Furthermore, policies and programs on study leave, in-service training, orientation, and job description have not met the expectations by staff. The work recommended that GES human resource personnel should be added to the administrative hierarchy in schools to help in policy implementation. It was also suggested that the Ministry of Education and the education service provides the right remuneration that can cater for the teacher’s basic needs such as accommodation and adequate learning materials to facilitate his work.
Le microentrepreneuriat et l’accès à l’eau potable dans les quartiers précaires d’Abidjan (Côte d’Ivoire)
Authors: Boyer Marcel , El Moussaoui Hicham , Petkantchin Valentin
Published: November 2024

L’objet de notre recherche est d’étudier les défis persistants de la distribution d’eau dans un contexte où l’approvisionnement repose sur un réseau de microentrepreneurs (ME), souvent mal reconnus et non-protégés au niveau institutionnel, mais jouant un rôle essentiel au bien-être, voire à la survie des populations visées. Notre analyse porte sur le cas particulier des microentrepreneurs – travaillant partiellement ou totalement dans l’informel – dans les quartiers précaires d’Abidjan (Côte d’Ivoire). La question centrale pourrait être formulée ainsi : Comment améliorer la rentabilité des ME en leur permettant de sortir de l’informel?
Enhancing sand control in loose reservoirs: nanofluid application
Authors:   «OilGasScientificResearchProject» Institute, SOCAR, Baku, Azerbaijan, Veliyev E. F. ,   Composite Materials Scientific Research Center, Azerbaijan State University of Economics (UNEC), Baku, Azerbaijan, Shovgenov A. D. ,   Halliburton International GmbH, Moscow, Russia
Published: November 2024

This paper introduces a novel epoxy-based nanofluid for sand control in loose reservoirs prone to sand production issues. The nanofluid combines epoxy resin with carbon nitride nanoparticles and a gas generating agent to enhance both compressive strength and permeability. Experimental studies demonstrate significant improvements in compressive strength and permeability, indicating the potential effectiveness of the nanofluid in consolidating sand in oil and gas reservoirs. Sandpack flooding experiments under reservoir conditions reveal promising results, suggesting the nanofluid's suitability for various permeability characteristics. These findings propose the epoxy/g-C₃N₄ nanofluid as a promising solution for sand consolidation, warranting further research and field testing for practical application in reservoir engineering. Keywords: sand control; epoxy nanofluid; chemical sand consolidation; graphitic carbon nitride; compressive strength enhancement; permeability control.
Using ansys fluent udf for numerical study of the movement of the rollers of a downhole positive displacement pump
Authors:   Ufa State Petroleum Technological University, Ufa, Russia, Azizov R. R. , Berdin V. K. ,   Ufa State Petroleum Technological University, Ufa, Russia, Bayazitov M. I. ,   Ufa State Petroleum Technological University, Ufa, Russia, Blagochinnov V. N. ,   Ufa State Petroleum Technological University, Ufa, Russia
Published: November 2024

In order to improve the design and increase the technical characteristics of pump and compressor equipment, computational modeling of fluid dynamics is used. Numerical research techniques of positive displacement machines are quite diverse and are widely used for vane and gerotor pumps. The roller rotary pump considered in this work is used for oil production in the sidetracks of oil wells. The difference in the design is the use of rollers as partitions separating the working chambers of the pump. The authors of the article propose a method for studying the movement of rollers in the Ansys (Fluent) software package, and related issues of creating userdefined functions (UDF) to describe reciprocating motion using the macro DEFINE_CG_MOTION (name, dt, vel, omega, time, dtime). It is shown that the result of calculating the movement speed in ansys fluent differs from the graph of the given function. A sine law is substantiated to describe the speed of movement of the roller’s center of mass. The method for determining the coefficients in a sinusoidal dependence is described and it is shown how these coefficients affect the movement of the roller. The results obtained in the study can be used when performing verification of analytical calculation methods with finite element modeling data using UDF Ansys, and will also help young researchers understand the writing of UDF DEFINE_CG_MOTION. Keywords: fuel and energy complex; oil and gas industry; well equipment; volumetric pump; Computational Fluid Dynamics (CFD); numerical simulation; moving mesh; User Define Function (UDF).
Control of the productivity and the reservoir energy state by processing and analysis of permanent downhole gauges data using machine learning
Authors:   Bashneft – Petrotest LLC, Ufa, Russia, Fatikhov S. Z. , Mukhametshin V. Sh. ,   Institute of Oil and Gas, Ufa State Petroleum Technological University (branch in the city of Oktyabrsky), Russia, Yakupov R. F. ,   Institute of Oil and Gas, Ufa State Petroleum Technological University (branch in the city of Oktyabrsky), Russia,   Bashneft – Dobycha LLC, Ufa, Russia, Yakupov M. R. ,   Kazan Federal University, Kazan, Russia
Published: November 2024

The issues of high-quality hydrodynamic studies of wells are relevant at any stage of the development of an oil field. The reliability and reliability of the results depend on the significant technological indicators of the development of deposits, deposits and the parameters of the operation of individual wells. This paper presents a new approach to the analysis of hydrodynamic studies of wells by the method of steady-state sampling, based on cluster analysis. The steady-state sampling method is a significant and most effective tool in analyzing measurements of continuous monitoring systems, which allows you to obtain more reliable data for further use in solving various development tasks. The new clustering-based method improves the quality of analysis and reduces the negative impact of the human factor on the success of data operations. This is achieved by automatically dividing the data into groups or clusters, which allows you to more accurately determine the characteristics of steady-state modes. The article provides a detailed description of the new method, its advantages and possibilities of application in the practice of analyzing hydrodynamic studies of wells based on data from continuous monitoring systems. The obtained results of testing the presented approach to the analysis of large amounts of information in a single research plane allow us to say about the high level of its relevance and the possibility of further improvement of algorithms, which will reduce the level of uncertainty in the implementation of digital diagnostics of well operation. Keywords: well testing; permanent downhole gauges (PDG); telemetry systems; inflow performance relationship (IPR); reservoir pressure; clustering; machine learning methods; multilayer systems.
Accounting for melting properties in the multi-solid paraffin prediction model for analyzing well production at fields in the Republic of Kazakhstan
Authors:   Satbayev University, Almaty, Kazakhstan, Ismailova J. A. , Yin Xiaolong ,   Eastern Institute of Technology, Ningbo, China / Colorado School of Mines, Golden, Colorado, USA, Moldabayeva G. Zh. ,   Satbayev University, Almaty, Kazakhstan, Ismailov A. A. ,   Kazakh-British Technical University, Almaty, Kazakhstan
Published: November 2024

The deposition of paraffin on pipeline walls is a serious flow issue. leading to a reduction in oil production due to the decreased flow cross-sectional area. and in severe cases. to complete blockage. This problem also results in increased energy consumption and causes failure of surface equipment due to paraffin plugs. Traditional methods predict paraffin crystallization temperature by considering the impact of temperature on the solubility parameters of individual components in both liquid and solid phases as well as their molar volumes. The goal of this study is to improve the prediction of paraffin deposition in Kazakhstan crude oil by incorporating an evaluation of melting properties into the multi-solid (MS) body prediction model. The process of calculating and adjusting melting properties to enhance the accuracy of the MS model is described in detail. This approach helps to overcome the limitations faced by most existing models when adapting to different types of crude oil. In this study, the focus is on optimizing the multi-solid (MS) body prediction model for paraffin deposition by integrating the melting properties of crude oil components. The improvement of the MS model is crucial because paraffin deposition is a significant issue in Kazakhstan's oil fields, where the wide range of reservoir conditions can cause standard prediction models to fall short. By enhancing the accuracy of melting point calculations, the updated model can better predict the onset of paraffin crystallization and its deposition tendencies under varying pressure and temperature conditions. Keywords: melting properties; multi solid solution; petroleum; solid solution; paraffin deposition
White Bean and Weed Desiccation With Pelargonic Acid
Authors: Soltani Nader , Willemse Christian , Sikkema Peter H.
Published: November 2024

Few studies have evaluated pelargonic acid for desiccating white bean and annual weeds. Five field experiments were conducted from 2021 to 2023 near Exeter and Ridgetown, Ontario, Canada to assess pelargonic acid applied alone or sequentially at different rates and several alternative herbicides for desiccating white bean and annual weeds. Pelargonic acid applied at 3400 g ai ha-1 desiccated white bean 88, 92, and 98% at 5, 8, and 14 days after application (DAA), respectively. Increasing the application rate, using sequential application, or adding 28% urea ammonium nitrate (UAN), did not improve white bean desiccation. Pelargonic acid applied at 3400 g ai ha-1 desiccated green pigweed 0, 2, and 1%; common ragweed 4, 3, and 3%; common lambsquarters 0, 0, and 0%; green foxtail 8, 12, and 15%; and barnyardgrass 5, 5, and 4% at 5, 8, and 14 DAA, respectively. Increasing the application rate, using sequential applications, or adding 28% UAN did not improve overall weed desiccation, except for green foxtail where desiccation was enhanced 14, 14, and 15% with pelargonic acid applied at 6800 g ai ha-1 at 5, 8, and 14 DAA, respectively and common ragweed where desiccation was increased 5% with pelargonic acid applied at 6800 g ai ha-1 at 8 DAA. At 14 DAA, green pigweed, common ragweed, common lambsquarters, green foxtail and barnyardgrass desiccation with carfentrazone-ethyl was 30, 6, 0, 11, and 7%; with ammonium salt of fatty acid was with 60, 12, 0, 59, and 36%; with flumioxazin was 54, 68, 31, 90, and 69%; with saflufenacil was 100, 96, 75, 37, and 55%; with tiafenacil was 100, 88, 5, 80, and 42%; with glufosinate was 100, 95, 100, 99, and 96%; and with diquat was 100, 99, 99, 99, and 96%, respectively. Dry bean desiccation with ammonium salt of fatty acid, glufosinate, carfentrazone-ethyl, flumioxazin, saflufenacil, tiafenacil, and diquat was 98-99% at 14 DAA. Among the desiccants evaluated, diquat and glufosinate were the most effective with 99% white bean desiccation and 95-100% desiccation of annual weeds at 14 DAA.
Associations Between Microsatellites Markers and Growth Traits in Goat
Authors: Elzarei M. F. , Alhasyani M. S. , Al-Sharari S. A. , Alodhiby S. I. , Mousa E. F.
Published: November 2024

The rapid progress in the field of biotechnology gives us a great chance to improve the productivity of our native animals in short time, relatively. The situation in Saudi Arabia not differ in compare with other country in our region which have a big challenge to increase the meat production for food security purposes. The situation in goat is very far from the point which other farm animals like cattle reached today, where a complete QTLs maps for most important traits is available. But by the same way, long time ago we have a complete comparative map between goat and both sheep and cattle. According to that in the previous investigation in both sheep and cattle we collected a total of 19 loci distributed in goat different chromosomes along with a total of 1050 records from 525 individual of a crossbred of Aradi and Damascus Goat were used to perform the linkage analysis. The studied traits were body weight at birth, 4, 8, 12, 16, 20, and 24 weeks of age. The association between microsatellite markers and body weights traits were estimated by stepwise partial regression. Twelve markers (BMS2325, BMS332, BM17132, BMS1316, BM1827, BM1225, BMS2142, BM1558, BMS2809, BMS1348, BMC4216 and BM1329) successfully linked to studied traits. These markers are. In general, our work design and plan successfully worked and could explained some of genetic vitiation by using microsatellites markers. Further work to build a complete QTLs map for meat production traits is necessary to make a complete view about this important species.
Artificial Intelligence in Agriculture: Application in Developing Countries
Authors: Odume Blessing Winifred
Published: November 2024

The economic sector is significantly impacted by agriculture. Artificial intelligence is being applied in agriculture to automate numerous tasks, reduce hazards, and provide farmers with a comparatively easy-to-use farming system but a revolution is taking place in the field of agriculture, utilizing artificial intelligence (AI) to solve major issues confronting the agricultural sector in developing nations. A focus on the impact and potential benefits of AI in developing nations is explored in this paper.

The widespread adoption of AI in agriculture in developing countries has been confronted by challenges such as infrastructure deficits, high investment costs, and a lack of capacity building. Governments, policymakers, researchers, and technology providers must work together to ensure sustainable and inclusive deployment of AI technologies in agriculture.

A critical examination of the state of agriculture in developing countries is the primary objective of this study, as well as the identification and mitigation of farmer challenges with the use of AI technologies. But a revolution is taking place in agriculture, utilizing artificial intelligence (AI) to solve major issues confronting the agricultural sector in developing nations.
Reviewer Acknowledgements for Journal of Agricultural Science, Vol. 16, No. 12
Authors: Brown Anne
Published: November 2024

Reviewer acknowledgements for Journal of Agricultural Science, Vol. 16, No. 12, 2024.
Terobosan Minimal Nyeri dan Cepat Pulih: Peran Blok Kuadratus Lumborum dalam Manajemen Nyeri Pediatrik Pascaoperasi Abdomen
Authors: Tantri Aida Rosita
Published: November 2024

Nyeri pasca-operasi pada pasien pediatrik, khususnya setelah pembedahan abdomen, memerlukan manajemen yang hati-hati untuk mencegah dampak negatif seperti gangguan mobilitas, kecemasan, dan trauma jangka panjang. Salah satu teknik yang efektif untuk mengatasi nyeri ini adalah Quadratus Lumborum Block (QLB), sebuah metode anestesi regional yang berkembang dari teknik truncal block. Berbeda dengan Transversus Abdominis Plane (TAP) block, QLB tidak hanya mengurangi nyeri somatik pada dinding perut, tetapi juga visceral melalui penyebaran anestesi lokal ke ruang paravertebral toraks. Teknik ini terbukti efektif dalam mengurangi kebutuhan opioid pada pasien pediatrik, yang sangat penting mengingat risiko efek samping opioid pada anak-anak, seperti depresi pernapasan dan ketergantungan. Keunggulan QLB juga terletak pada kemampuannya untuk memberikan analgesia multimodal, memungkinkan kontrol nyeri yang lebih baik dengan mengurangi efek samping obat sistemik. Namun, pelatihan yang memadai bagi tenaga kesehatan dalam melakukan QLB, terutama dengan panduan ultrasonografi, sangat diperlukan untuk memastikan keamanan dan efektivitas teknik ini. Dengan demikian, QLB memiliki potensi besar dalam meningkatkan manajemen nyeri pasca-operasi pada pasien pediatrik, mempercepat pemulihan, dan memberikan pengalaman pasca-operasi yang lebih nyaman.
Recht doen aan het verleden: de erfenis van ‘slavennamen’ rechtzetten
Authors: Gielen M.C.F.E. , Ritsema R.P.J.
Published: November 2024

Recht doen aan het verleden: de erfenis van ‘slavennamen’ rechtzetten

Per 1 juli 2024 is in Nederland het Besluit geslachtsnaamswijziging gewijzigd door toevoeging van een extra wijzigingsgrond. Middels deze nieuwe wijzigingsgrond kunnen nazaten van tot slaaf gemaakten op eenvoudige wijze en (tijdelijk) kosteloos hun geslachtsnaam wijzigen. Voor de BES-eilanden treedt deze wijziging naar alle waarschijnlijkheid per 1 januari 2025 in werking. Aruba, Curaçao en Sint Maarten kennen (vooralsnog) deze extra wijzigingsgrond niet. In deze bijdrage beargumenteren de auteurs dat deze wijzigingsgrond ook voor de andere Caribische landen zou moeten gelden, nu het slavernijverleden een gezamenlijk verleden is dat gedeeld wordt door alle landen van het Koninkrijk.
Moss Species Discovered in Absheron National Park
Authors:   Doctoral student, Azerbaijan Institute of Food Safety, Nuraddin Elshada Chalabi
Published: November 2024

Detailed information is given on the distribution, ecology, botanical properties and uses of mosses studied in the Absheron National Park, in Azerbaijan and in the world. The types identified as a result of the study are shown and information about their relevance is given. The main objective of the study was to evaluate modern scientific knowledge about the biomorphological properties of 9 species of moss, its use in traditional and folk medicine, its properties, presence and their impact on various diseases. As a result of the study, Grimmia Hedw of the family Grimmiaceae Arnott. 6 species belonging to the genus (Grimmia unicolor Hook, Grimmia pulvinata (Hedw.) Sm., Grimmia reflexidens Müll., Grimmia muehlenbeckii Schimp., Grimmia trichophylla Grev., Grimmia anomala Hampe.), Orthotrichum Hedw. of Orthotrichaceae Arnotta family. belonging to the genus, (Orthotrichum spesiosum Nees in Sturum, Orthotrichum strangulatum P. Beauv), Fontinalaceae Schimp. of the family Fontinalis Hedw. of the genus Fontinalis antipyritica Hedw. types have been discovered. As a result of scientific research, 9 species of moss were discovered. Of them: Grimmia muehlenbeckii Schimp. as a species is new to the bryoflora of Azerbaijan.
Doses de boro na cultura da rúcula
Authors: Hubner Vitória , Júnior Luiz Antônio Zanão , Pinto Juliana de Souza , Lima Jéssica Caroline de , Daniel Cintia
Published: November 2024

A rúcula é uma herbácea folhosa de crescimento vegetativo rápido e ciclo curto, de grande aceitação mundial. É rica em vitamina C, potássio, enxofre e ferro e tem atividades anti-inflamatórios e desintoxicantes para o organismo. Por ser da família das Brassicas a rúcula é uma cultura exigente no micronutriente boro (B). Assim, o objetivo desse trabalho foi avaliar a aplicação de doses de B na cultura da rúcula. O experimento foi conduzido em casa de vegetação. Foram avaliadas cinco doses de B: 0; 0,5; 1; 2 e 4 kg ha-1. A aplicação das doses de B foi realizada na forma de ácido bórico (17,7 % de B). O delineamento experimental foi o de blocos casualizados, com quatro repetições. A unidade experimental foi constituída por um vaso 1,5 kg de solo com três plantas de rúcula. Foi avaliado o comprimento médio das folhas, número de folhas por planta, produção de matéria seca das raízes e da parte aérea. Os dados obtidos foram submetidos à análise de variância e o efeito das doses de B por análise de regressão. As doses de boro não influenciaram o comprimento e o número de folhas por planta e a produção de massa seca de raízes da rúcula, mas apresentaram efeito significativo na produção de massa seca da parte aérea e comprimento de raízes. Recomenda-se a aplicação de 1,09 kg ha-1 de boro na produção de rúcula.
Development of Learning Modules for Senior High School Semester V Based on the Independent Curriculum
Authors: Natasya Umy , Hutagalung Surya Masniari
Published: November 2024

This research is about the creation of a learning module for the 5th semester of high school based on the Independent Curriculum with the theme "die Familie (Family)". This research focuses on the creation of printed learning modules. This study uses a qualitative descriptive method through data collection using questionnaires with data sources from the Independent Curriculum, German books and information from the Internet. This development research is a development that uses Richey and Klein's theory. The research model consists of 3 steps, namely: 1) Planning, 2) Making, 3) Evaluation. The result of this research is a printed module in the form of a German language learning module for the theme "die familie (Family)". This learning module has gone through the process of material and design validation and received an assessment from experts of 93.75.
Semiotic Analysis of the Mangabing Partadingan Tradition in the Simalungun Region
Authors: Putri Caroline Tarigan
Published: November 2024

The aim of this research is to analyze the symbols in the Mangabing Partadingan tradition of the Simalingun tribe in the Simalungun area, North Sumatra. The analytical theory used is Charles Sanders Pierce's semiotic triangle, which consists of the following elements: Representation, Object, and Interpretant. This research uses descriptive qualitative methods. The analytical theory used is Charles Sanders Peirce's semiotic triangle, which includes representament, object and interpretant. This research uses a qualitative descriptive method. This research data was collected through observation, interviews and documentation. The research results show that there are 13 symbols in the Mangabing Partadingan tradition, namely: (1). Tenger rice sanggolom, (2). Pining Hinupas, (3). Pining Binatis Sanggolom, (4). Huning ovaries, (5). Gambir, (6). Cotton, (7). Timbahaou, (8). Cotton, (9). Selamatu, (10). Demban Gunringan, (11). Doraham, (12). Bonang Manalu, (13). Partadingan. Each symbol in the Mangabing Partadingan tradition of the Simalungun tribe has its own meaning.
Empowerment of Community Self-Help Groups (KSM) in Maggot Cultivation to Support the Economy in Pudak Village, Muaro Jambi Regency in 2024
Authors: Erris Erris , Ariyadi Bambang , Harahap V.A Irmayanti
Published: November 2024

This method is considered to provide the greatest benefits and is relatively easy to implement. One of them is by empowering the community through Community Self-Help Groups (KSM) in managing organic waste. Maggots or maggots are the larvae of the Black Soldier Fly (Hermetia Illucens, Stratimydae, Diptera) which is a family of flies, but the size of the BSF, known as the soldier fly, is longer and larger. Even though it is from the fly family, BSF does not transmit bacteria, diseases or even germs to humans. Like maggots, ecologically maggots are useful in the process of decomposing organic materials. Maggots eat vegetable and fruit waste, therefore maggots are very suitable for use in organic waste management. Even though it is made from organic waste, the fertilizer produced does not smell