bluuebunny/crossref_metadata_2025 huggingface dataset:
Use of Extension Services by Smallholder Farmers in Kitui County, Kenya: Challenges and Opportunities
Authors:   Department of Agricultural Sciences, Murang'a University of Technology, Kenya, Muasya Kyambo Onesmus , A. Amwata Dorothy , Ngunjiri Wamuyu Samuel
Published: December 2024

Agriculture supports the livelihoods of rural people in developing countries, including Kenya. Agriculture is the mainstay and driver of the Kenyan rural economy. Despite the critical role of agriculture in Kenya, poor access to extension support services persists. The purpose of this study was to evaluate the utilization of agricultural extension services by smallholder farmers in Kitui County, Kenya. A total 99 farmers were sampled from Kitui County using a stratified random sampling approach. Secondary information sources such as national and county ministries reports and existing literature were reviewed to supplement the primary data. A Questionnaire was the main tool used for data collection in this study. Data obtained were analyzed through descriptive statistics. This study found that most farmers in Kitui County had access to extension service in their various crop and /or livestock enterprises. Majority of the farmers who had received extension services had applied all the recommendations made by the extension workers. The complexity of technology was stated as the most common reason for the non-application of some recommendations. Majority of the sampled farmers preferred extension information packaged in the form of print, the extension officer himself/face-to-face, radio, television, internet, Barazas, farm visit and self-explanation. Transports, both for the farmer to the service provider’s office and for the service provider to the farm, was cited as a major expenses in livestock and crop agricultural extension. This study recommend that more funds should be allocated to an agricultural extension. For efficient delivery of extension service in Kitui County, extension officers should be well facilitated (especially through adequate transport facilities and access to technologies). Agricultural Extension work requires more funds to reach most of the farmers in vast Kitui County.
A saúde mental no trabalho, a cultura do assédio e a síndrome de burnout, boreout e brownout
Authors: Freitas Cláudio , Boynard Carolina
Published: December 2024

O presente artigo analisará questões relacionadas ao desenvolvimento das formas de exploração do trabalho humano na sociedade e sua consequência na saúde mental dos trabalhadores. São averiguadas, dentro da temática, as práticas assediadoras mais frequentes no meio laboral, bem como apontadas as novidades advindas pelas Leis 14.457/2022, 14.540/2023 e 14.612/2023 e estudadas três doenças psicossomáticas que vêm chamando atenção da literatura especializada, quais sejam, as síndromes de burnout, boreout e brownout.
Peningkatan Pemahaman Dasar Ilmu Geoteknik untuk Siswa Jurusan Desain Permodelan dan Informasi Bangunan (DPIB)
Authors: Srihandayani Susy , Halimatusadiyah Halimatusadiyah , Rani Rafika
Published: December 2024

Kegiatan Pengabdian kepada Masyarakat ini bertujuan untuk meningkatkan pemahaman dasar ilmu geoteknik bagi siswa jurusan Desain Permodelan dan Informasi Bangunan (DPIB) di SMKN 3 Dumai. Materi yang disampaikan mencakup jenis-jenis tanah, sifat-sifat tanah yang memengaruhi konstruksi, alat uji tanah di lapangan, serta pemilihan pondasi yang sesuai dengan kondisi tanah. Kegiatan dilaksanakan melalui penyampaian materi teoretis, demonstrasi alat uji tanah seperti Cone Penetration Test (CPT) dan Dynamic Cone Penetrometer (DCP), serta diskusi interaktif. Hasil evaluasi menunjukkan peningkatan pemahaman siswa yang signifikan, dengan rata-rata nilai pre-test meningkat dari 45% menjadi 85% pada post-test. Peningkatan ini mencerminkan efektivitas pendekatan teoretis dan praktis dalam menjawab permasalahan mitra. Selain itu, sebanyak 75% siswa menunjukkan motivasi untuk melanjutkan studi ke jenjang perguruan tinggi, khususnya di bidang Teknik Sipil. Program ini diharapkan memberikan manfaat jangka panjang dengan menjembatani kesenjangan antara data teknis dan keterampilan desain praktis siswa DPIB, serta memperkaya kurikulum pendidikan vokasi mereka.
Reflexões sobre o triângulo edípico
Authors: Galiás Iraci
Published: December 2024

A autora reflete sobre a problemática edípica no plano pessoal e no plano arquetípico. Discute ser essa problemática bifásica, ou seja, não só a ser enfrentada na infância, mas também na vida adulta. Discorre sobre os papéis a serem desenvolvidos, no curso normal, pelo(a) filho(a), pai e mãe. Discute os desvios nesse desenvolvimento descrevendo aí a síndrome de retificação do triângulo. Aborda a problemática edípica como sendo uma vivência não restrita somente à família, mas que se estende para outras instituições e a família psicológica
TECHNOLOGIES FOR ELECTRON BEAM WELDING OF COPPER AND ALUMINUM ALLOY
Authors: Stoyanov Borislav , Ormanova Maria , Valkov Stefan , Anchev Angel , Dunchev Vladimir , Kaisheva Darina , Kotlarski Georgi
Published: December 2024

In this work the results from electron-beam welding of copper and Al6082T6 aluminum alloy are presented. The different technologies for sample preparation and process conditions were applied to achieve strong connection between these two dissimilar materials. The influence of the filler presence on the structure and mechanical properties of the welded joint is studied in comparison with these without filler. The X-ray diffraction (XRD) method was used to obtain the phase composition of the welded joints. Scanning electron microscopy (SEM) was used for the study of the microstructure of the welds. The mechanical properties were studied and proved by means of micro-hardness measurements and tensile tests.
PERSPECTIVES FOR INCREASING PHOTOVOLTAIC ELECTRICITY GENERATION IN PIROT, SERBIA
Authors: Radonjić Ivana , Petronijević Milutin , Stoimenov Leonid , Stanimirović Aleksandar , Milosavljević Aleksandar , Veselić Boban
Published: December 2024

Serbia is gradually aligning its energy policies with EU regulations, particularly in promoting renewable energy (RE). Serbia's National Renewable Energy Action Plan targets further expansion of RE, including photovoltaics (PV). The use of RE sources, especially photovoltaics as the most suitable for the urban conditions of cities, has significant potential, but also numerous challenges. In smaller urban areas, such as Pirot which also has significant solar potential, there are various opportunities for the use of PV installations on the buildings or individual households. The main challenges for small, individual PV projects include financial barriers, regulatory hurdles, and infrastructure limitations. The Serbian government and local administrations are introducing various incentive measures, including feed-in tariffs and subsidies for small-scale PV installations. These available measures may not be sufficient to make small PV installations economically viable without additional support, such as tax credits or low-interest loans. In addition, complex and time-consuming subsidy application processes may discourage smaller investors from participating. Informing citizens with reliable data about the selection and cost-effectiveness of PV installations and the necessary procedures for acquiring prosumer status can be one of the key initiatives for the further expansion of PV installations in Pirot.
INCREASING THE EFFICIENCY OF ULTRAVIOLET RADIATION SYSTEMS
Authors: Hovorov Pylyp , Kindinova Anastasiia , Zozylya Danylo , Zozylya Danylo
Published: December 2024

UV systems are widely used in various industries, including water treatment, disinfection, air treatment, and medical applications. However, improving the efficiency of this system is a crucial challenge to increase productivity while reducing energy consumption and operating costs. This document examines vital factors affecting UV system performance, such as UV emitter design, material selection, optimization of exposure duration, and integration of advanced control systems. We offer innovative approach parameters to improve energy output, including using more efficient reflector materials, advanced power electronics to control better UV intensity, and integrating intelligent sensors to monitor and adjust systems in real time. The findings suggest that optimizing these changes can result in significant energy savings and increased lifetime of UV systems, making them more sustainable and cost-effective for industrial and commercial use.
Reporte y revisión de la literatura de un caso clínico de Colangitis Aguda Secundaria a Coledocolitiasis en una Paciente con Lupus Eritematoso Sistémico
Authors: Chapalbay Josue , Velepucha Mayerli , Sisa Josselyn , Gonzalez Francis , Matute Sebastián
Published: December 2024

La colangitis aguda es una patología inflamatoria de las vías biliares que suele presentarse como complicación de una obstrucción biliar, siendo la coledocolitiasis una de sus causas más frecuentes. Esta condición representa una emergencia médica debido al riesgo de progresión a sepsis y falla multiorgánica si no se trata oportunamente. El manejo adecuado generalmente incluye intervenciones médicas y endoscópicas para descomprimir las vías biliares y eliminar la causa subyacente. En este informe de caso, se presenta a una paciente femenina de 40 años con antecedentes de lupus eritematoso sistémico (LES) que desarrolló colangitis aguda secundaria a coledocolitiasis. Se detallan los síntomas iniciales, el proceso diagnóstico y el manejo terapéutico aplicado, que culminó en una recuperación favorable sin complicaciones mayores. Este caso subraya la importancia de un enfoque multidisciplinario y el uso de técnicas endoscópicas avanzadas en el tratamiento de la colangitis aguda.
Técnicas estadísticas en la evaluación de programas de salud pública: un enfoque crítico.
Authors: Macay García Luis Elías
Published: December 2024

Este estudio emplea un enfoque de investigación cuantitativa, complementado por elementos cualitativos, para evaluar el uso de técnicas estadísticas en la salud pública. Se utilizaron encuestas estructuradas y entrevistas semiestructuradas con 300 profesionales y 15 expertos, respectivamente. Los instrumentos incluyen un cuestionario validado que analiza la familiaridad y eficacia de diversas técnicas estadísticas. Los hallazgos revelan que el 70% de los encuestados utiliza técnicas descriptivas, mientras que solo el 30% emplea análisis multivariante. Aunque la mayoría reconoce la importancia de métodos más complejos, la falta de capacitación en análisis estadístico avanzado se identifica como un obstáculo para una evaluación efectiva. Las gráficas presentadas ilustran la preferencia por técnicas descriptivas, reflejando la necesidad de mejorar la formación en métodos estadísticos más rigurosos en el ámbito de la salud pública.
Aprendizaje de niños con necesidades especiales en entornos inclusivos.
Authors: García Vergara Monserrate Elizabeth
Published: December 2024

El aprendizaje de niños con necesidades especiales en entornos inclusivos es un enfoque educativo que busca integrar a todos los estudiantes, independientemente de sus habilidades o discapacidades, en aulas regulares. Este modelo promueve la diversidad y el respeto, permitiendo que los niños con necesidades especiales se beneficien de la interacción con sus pares y accedan a una educación de calidad. Las investigaciones indican que los entornos inclusivos no solo mejoran el desarrollo social y emocional de estos niños, sino que también favorecen su rendimiento académico al proporcionar un aprendizaje adaptado a sus necesidades. Además, la formación de docentes en estrategias inclusivas es fundamental para garantizar que todos los estudiantes reciban el apoyo necesario para prosperar en un ambiente de aprendizaje colaborativo.
Análisis de la evolución de la gestión de calidad total en PYMES latinoamericanas.
Authors: Vergara Cuadros Yadira Natalia
Published: December 2024

El artículo se estructura de la siguiente manera: en primer lugar, se presenta una revisión de la literatura relevante, que resume las investigaciones previas y teorías relacionadas con la gestión de calidad total en PYMEs. Esta revisión proporciona un marco teórico sólido que contextualiza el estudio, destacando las principales aportaciones y limitaciones de trabajos anteriores. Además, se analizan las tendencias actuales en la implementación de prácticas de calidad, así como su impacto en la competitividad y sostenibilidad de las pequeñas y medianas empresas. Luego, se detalla la metodología utilizada, incluyendo los métodos de recolección de datos y la población de estudio. Se describe el enfoque de investigación adoptado, ya sea cualitativo, cuantitativo o mixto, y se justifica la elección de técnicas específicas como encuestas, entrevistas o análisis documental. Asimismo, se clarifica el criterio de selección de los participantes, asegurando la representatividad de la muestra y la validez de los resultados. Este apartado es crucial, ya que permite evaluar la rigidez y la fiabilidad de las conclusiones alcanzadas. A continuación, se exponen los resultados del estudio, seguidos por una discusión sobre los hallazgos en comparación con investigaciones anteriores. Se presentan de manera clara y organizada, utilizando gráficos y tablas para facilitar la comprensión de los datos. La discusión analiza cómo los resultados se alinean o difieren de lo encontrado en la literatura previa, ofreciendo una interpretación crítica que puede enriquecer el conocimiento sobre la gestión de calidad en PYMEs. Finalmente, se presentan las conclusiones y recomendaciones basadas en los resultados obtenidos, las cuales están dirigidas a los gestores de PYMEs, con el fin de fomentar la mejora continua y la adopción de mejores prácticas en la gestión de calidad.
El papel de la innovación en la gestión educativa: estrategias para fomentar la mejora continua.
Authors: Guaman Chavez Sandra Karina
Published: December 2024

La innovación desempeña un papel crucial en la gestión educativa, siendo un motor fundamental para la mejora continua en las instituciones. A medida que el entorno educativo evoluciona, las estrategias innovadoras se vuelven esenciales para adaptarse a las necesidades cambiantes de los estudiantes y la sociedad. Entre las principales estrategias se destacan la implementación de tecnologías educativas, que permiten personalizar el aprendizaje y facilitar la colaboración entre alumnos y docentes. Además, la formación continua del personal educativo es vital, ya que capacitar a los educadores en metodologías innovadoras fomenta un enfoque más dinámico y efectivo en la enseñanza. El uso de enfoques pedagógicos como el aprendizaje basado en proyectos o el flipped classroom (aula invertida) también promueve un aprendizaje activo y participativo. La creación de un ambiente que valore la creatividad y la experimentación es fundamental para incentivar tanto a educadores como a estudiantes a proponer y adoptar nuevas ideas. Asimismo, la colaboración entre instituciones, empresas y comunidades puede enriquecer el proceso educativo y proporcionar recursos adicionales. En resumen, la innovación en la gestión educativa es esencial para promover la mejora continua, asegurando que las instituciones respondan eficazmente a los desafíos del siglo XXI y preparen a los estudiantes para un futuro en constante cambio.
Kesetaraan Gender Dalam Bingkai Kebinekaan Indonesia
Authors: Manalu Yohana , Simatupang Rosta HR. , Silaen Christine Febriyani BR.
Published: December 2024

Kesetaraan gender tetap menjadi tantangan yang signifikan dan isu mendesak dalam tatanan sosial Indonesia yang beragam. Isu ini dibentuk oleh keragaman budaya dan norma-norma sosial. Studi ini mengeksplorasi interseksionalitas gender dalam konteks yang lebih luas dari keragaman Indonesia. Penelitian ini bertujuan untuk memahami bagaimana kesetaraan gender dipahami, dipraktikkan, dan ditantang dalam kerangka keragaman budaya, etnis, dan agama Indonesia. Dengan menggunakan metode kualitatif, termasuk menggali data dari berbagi jurnal ilmiah, kelompok fokus, dan analisis konten, penelitian ini menyelidiki interseksionalitas gender dalam konteks budaya, etnis, dan agama di Indonesia. Temuan dari penelitian ini menyoroti kemajuan dan tantangan yang masih berlanjut dalam mencapai kesetaraan gender dalam bingkai kebinekaan di Indonesia. Meskipun telah dilakukan beberapa upaya untuk mempromosikan hak-hak perempuan dan memberdayakan gender-gender yang terpinggirkan, norma budaya, struktur patriarki, dan interpretasi agama terus menghambat kemajuan menuju kesetaraan gender yang sepenuhnya. Studi ini menekankan pentingnya mengadopsi pendekatan yang sensitif secara budaya dan intervensi yang disesuaikan untuk mengatasi kebutuhan dan hambatan yang beragam yang dihadapi oleh individu dengan identitas dan ekspresi gender yang beragam. Dengan menjelaskan tentang kesetaraan gender dalam bingkai kebinekaan di Indonesia, penelitian ini bertujuan untuk berkontribusi pada pengembangan kebijakan dan praktik yang lebih inklusif dan adil yang menegakkan prinsip-prinsip kesetaraan gender.
Din Kültürü ve Ahlak Bilgisi Öğretmenlerinin Değer Eğitiminin Davranışa Aktarılmasındaki Sorunların Nedenlerine ve Çözüm Yollarına İlişkin Görüşleri
Authors: Ekşici Ümmügülsüm , Berkant Hasan Güner
Published: December 2024

Bu çalışma din kültürü ve ahlak bilgisi öğretmenlerinin değer eğitiminin davranışa dönüştürülememesinin nedenlerine ve çözüm yollarına yönelik görüşlerinin belirlenmesi amacıyla yapılmıştır. Araştırmada değerler eğitimindeki en önemli faktörlerden birisi olan öğretmenlerin değerler eğitimi hakkındaki görüşlerine başvurulmuştur. Araştırmada fenomenolojik (olgubilimsel) desen kullanılmıştır. Yarı yapılandırılmış görüşme yöntemiyle yapılan araştırmanın örneklemini, Kırşehir il ve ilçe merkezlerindeki farklı okul ve kademelerde görev yapan ve maksimum çeşitlilik örneklemi ile belirlenen 20 ortaokul din kültürü ve ahlak bilgisi öğretmeni oluşturmaktadır. Elde edilen veriler üzerinde içerik analizi yapılmıştır. Veri analizi sonucunda, öğretmenlerin değer eğitiminin ailede başladığını, okul ve ailede verilen değerlerin çatıştığını, değer kavramının sekülerleştirildiğini, sosyal çevrenin çocuklar üzerindeki olumsuz etkisinin olduğunu, kullanılan materyallerin kısıtlı olduğunu, mesleki yeterliliklerinde eksiklikler olduğunu düşündükleri sonucuna ulaşılmıştır. Çalışmada din kültürü ve ahlak bilgisi dersi bağlamında değer eğitimine yönelik bazı çözüm önerileri sunulmuştur.
OpenSearch Awareness and Perceptions Report
Authors: Hendrick Stephen , Lawson Adrienn
Published: December 2024

Amazon Web Services (AWS) commissioned LF Research to field a survey in the Linux Foundation community to assess the awareness and perception of OpenSearch, the open source fork of Elasticsearch and Kibana. The study focused on whether the open source nature of the solution was important, the experiences the audience has had with the solution, and the audience's feedback on its capabilities, areas of concern, and strategies.

Findings from this survey indicate that almost all respondents who use OpenSearch believe it delivers its search capabilities very or extremely well, but they noted that they would like better integration of the solution with other open source projects.
2024 Japan Spotlight Insights Report: Open Source Trends, Challenges, and Opportunities in Japan
Authors: Lawson Adrienn
Published: December 2024

LF Research fielded its 2024 World of Open Source survey earlier this year and segmented the findings to capture trends specific to the Japanese market. The analysis reveals how Japanese companies are using open source software to drive innovation and strengthen their key sectors, including automotive, healthcare, and manufacturing. While Japan has made progress on open source adoption, the findings also show how the country lags behind other regions in its recognition of the value of open source and its confidence in open source security.
The Role Of Digital Banking Features In Bank Selection An Analysis Of Customer Preferences For Online And Mobile Banking
Authors: Faisal Nur Al , Nahar Janifer , Waliullah Md. , Borna Razia Sultana
Published: December 2024

This study explores the critical factors influencing the adoption and effectiveness of digital banking, focusing on customer preferences, technological advancements, and external pressures such as market competition and the COVID-19 pandemic. By conducting a systematic literature review of 112 peer-reviewed articles, this research examines key themes, including convenience, security, personalization, competitive innovation, and resilience during crises. The findings reveal that user-friendly interfaces, 24/7 availability, and seamless transaction processing are primary drivers of customer satisfaction and loyalty. Robust security measures, such as encryption and multi-factor authentication, and transparency in data usage policies play pivotal roles in fostering trust. Personalization, enabled by AI and data analytics, emerged as a significant factor in enhancing user experience and retention, though privacy concerns remain a challenge. Furthermore, the review highlights how market competition drives technological innovation, with traditional banks adopting blockchain, AI, and biometrics to maintain a competitive edge. The pandemic served as a catalyst for digital adoption, compelling banks to rapidly enhance their digital infrastructure to meet evolving customer needs. By synthesizing these insights, this study not only validates existing research but also identifies gaps and areas for future exploration, such as the ethical use of data and inclusivity in digital banking. These findings offer actionable insights for financial institutions and policymakers to optimize digital banking ecosystems for long-term growth and customer engagement.
A Systematic Review of Data-Driven Insights in Retail: Transforming Consumer Behavior and Market Trend
Authors: Araf Ridwan Islam
Published: December 2024

This study systematically reviews the transformative role of data-driven insights in the retail industry, focusing on their impact on consumer behavior, market trends, and operational efficiencies. Leveraging the PRISMA framework, literature from leading databases—IEEE, Scopus, Web of Science, and Elsevier—was analyzed to synthesize findings and identify key trends. The review highlights how advanced analytics, driven by technologies such as artificial intelligence, machine learning, and blockchain, enable retailers to personalize consumer experiences, optimize supply chains, and adapt to market dynamics. Case studies of Amazon, Walmart, and Sephora illustrate the practical applications and benefits of data-driven strategies. However, the study also reveals significant challenges, including data fragmentation, privacy concerns, and a shortage of analytics expertise, which hinder widespread adoption. Ethical considerations, particularly regarding data security and algorithmic biases, are emphasized as critical areas for retailer accountability. Emerging technologies like quantum computing are identified as future enablers for overcoming current limitations and enhancing data-driven retail innovation. The study concludes that while data-driven insights have already transformed the retail industry, their potential is far from fully realized. Collaborative efforts among retailers, policymakers, and researchers are essential to address challenges and harness the opportunities presented by advanced analytics. Future research should focus on scaling analytics solutions for small and medium enterprises (SMEs) and exploring the ethical implications of artificial intelligence in retail contexts.
Adversarial Machine Learning In Network Security: A Systematic Review Of Threat Vectors And Defense Mechanisms
Authors:   Graduate student, School of Computer and Information Sciences, Washington University of Science and Technology ( WUST), USA, Mintoo Abdul Awal , Nabil Ashrafur Rahman ,   MS in Information Technology Management, St. francis College, Brooklyn, New York,USA, Alam Md Ashraful ,   Department of Computer Science, Colorado State University,Colorado, USA, Ahmad Imran ,   Master of Science in Business Analytics, W. Frank Barton School of Business, Wichita State University, USA
Published: December 2024

Adversarial Machine Learning (AML) has emerged as a critical area of research within network security, addressing the evolving challenge of adversaries exploiting machine learning (ML) models. This systematic review adopts the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) methodology to comprehensively examine threat vectors and defense mechanisms in AML. The study identifies, categorizes, and evaluates existing research focused on adversarial attacks targeting ML algorithms in network security applications, including evasion, poisoning, and model extraction attacks. By rigorously following the PRISMA guidelines, a systematic search across multiple scholarly databases yielded a robust dataset of peer-reviewed articles that were screened, reviewed, and analyzed for inclusion. The review outlines key adversarial techniques employed against ML systems, such as gradient-based attack strategies and black-box attacks and explores the underlying vulnerabilities in network security architectures. Additionally, it highlights defense mechanisms, including adversarial training, input preprocessing, and robust model design, discussing their efficacy and limitations in mitigating adversarial threats. The study also identifies critical gaps in current research, such as the lack of standardized benchmarking for adversarial defenses and the need for scalable and real-time AML solutions.
Evangelium: Gud er nær
Authors: Nielsen Jesper Tang
Published: December 2024

Abstract: Morten Hørning Jensen’s higher doctoral dissertation (habilitation) The ‘Gospel’ Between Emperor and Temple in the Gospel of Mark is a meticulous investigation of the Greek root εὐαγγελ- and the Hebrew equivalent בשׂר in Greek and Hebrew literature before the Gospel of Mark and Mark’s use of the term in his text. Hørning Jensen concludes that the story of Jesus is the gospel to Mark “since Jesus, through his life, death, and resurrection, re-establishes covenantal community with and proximity to the God through kingly victory and temple-cultic renewal” (462). This way of understanding εὐαγγέλιον places it in direct continuity with Deutero-Isaiah, who uses the word to designate the return of Yahweh to Zion.The review article summarizes the argument at length, then poses some critical questions and finally offers a more substantial criticism of the fact that Paul is left out of the interpretation and only figures as a “test case” for the meaning of εὐαγγέλιον in Second Temple Judaism. If the relation to Paul is taken into account, the Gospel of Mark should be conceived of as a narrative unfolding of Paul’s gospel and not as the story of Jesus on the basis of the visions of Isaiah. One wonders why the author does not see a relation between Paul and Mark. The reason may be that he has sympathy for Papias’ idea that Mark was interpreter of Peter, which might make it virtually impossible for him to be influenced by Paul.
Meteoriter. Hvor bliver de af?
Authors: Buchwald Vagn Fabritius
Published: December 2024

Intet resumé
Hvad er geofysik?
Authors: Abrahamsen Niels
Published: December 2024

Intet resumé
Månen
Authors: Bondesen Erling
Published: December 2024

Intet resumé
Tiderne skifter. Devon
Authors: Poulsen Valdemar
Published: December 2024

Intet resumé
”Nye tider"
Authors: Poulsen Valdemar
Published: December 2024

Intet resumé
Tværs over Alperne
Authors: Redaktionen
Published: December 2024

Intet resumé
D.G.U.
Authors: Redaktionen
Published: December 2024

Intet resumé
Hvordan finder man olie
Authors: Abrahamsen Niels
Published: December 2024

Intet resumé
Fra mineralernes verden
Authors: Hansen Mona
Published: December 2024

Intet resumé
Geologi i trykkoger
Authors: Østergård Troels
Published: December 2024

Intet resumé
Ørkenvandring
Authors: Floris Søren
Published: December 2024

Intet resumé
Færøerne
Authors: Noe-Nygaard Arne
Published: December 2024

Intet resumé
Forstenede magneter
Authors: Sharma P. Vallabh
Published: December 2024

Intet resumé
De Kanariske Øer
Authors: Jørgensen Gunni
Published: December 2024

Intet resumé
Brabrand Bakker – et landskab bliver til
Authors: Bondesen Erling
Published: December 2024

Intet resumé
Vullkanudbrud på Jan Mayen
Authors: Jørgensen Gunni
Published: December 2024

Intet resumé
Sahara – en kold omgang
Authors: Spjeldnæs Niels
Published: December 2024

Intet resumé
Et magma størkner
Authors: Maaløe Sven
Published: December 2024

Intet resumé
Popigay
Authors: Jensen Vagn
Published: December 2024

Intet resumé
Bølger på havbunden
Authors: Larsen Birger
Published: December 2024

Intet resumé
Krydderi på det jyske Tertiær
Authors: Koch Eske
Published: December 2024

Intet resumé
En million volt
Authors: Micheelsen Harry
Published: December 2024

Intet resumé
Jagten på uran
Authors: Steenfelt Agnete , Nielsen Bjarne Leth
Published: December 2024

Intet resumé
Energikrise og geologi
Authors: Sørensen Henning
Published: December 2024

Intet resumé
William Smith
Authors: Kristiansen Erik
Published: December 2024

Intet resumé
Solenergi og geologi
Authors: Sørensen Henning
Published: December 2024

Intet resumé
Koralbanke
Authors: Floris Søren
Published: December 2024

Intet resumé
Skal - skal ikke
Authors: Poulsen Valdemar
Published: December 2024

Intet resumé
Desmanen - et nyt pattedyr i Danmark efter Istiden,
Authors: Bondesen Poul , Lykke-Andersen Holger
Published: December 2024

Intet resumé
Berømte sten 5 - Blarney stenen
Authors: Thomsen Elsebeth
Published: December 2024

Intet resumé
Diamantjagt i Lesotho
Authors: Appel Peter
Published: December 2024

Intet resumé
Darwin som geolog
Authors: Asgaard Ulla
Published: December 2024

Intet resumé
Varmt porevand
Authors: Gosk Edmund , Holm Lise , Priisholm Søren
Published: December 2024

Intet resumé
Gamle hajer
Authors: Blume Thomas
Published: December 2024

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Hvad gemmer Nordsøen? Baggrunden for gas og olie
Authors: Svensson Lone , Bondesen Erling
Published: December 2024

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Geologer på vulkaner - En øjenvidneberetning om Krafla udbruddet på Nordisland
Authors: Jepsen B. , Jørgensen K.A. , Larsen H.C. , Prægel N.-O. , Secher K. , Smidt J.
Published: December 2024

Intet resumé
Kommer vinter, kommer vår - og et nyt varv
Authors: Agrell Harald
Published: December 2024

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En tynd tråd
Authors: Berg-Madsen Vivianne
Published: December 2024

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Det ‘døde’ hav
Authors: Poulsen Valdemar
Published: December 2024

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Hvor er de danske meteoriter?
Authors: Graff-Petersen Poul
Published: December 2024

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Kenyas grønne guld
Authors: Smeds Sten-Anders
Published: December 2024

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Det store bang!
Authors: Sønderholm Redaktio
Published: December 2024

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Tunguska-mysteriet
Authors: Borisov Oleg
Published: December 2024

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Dalarnes porfyrer
Authors: Hjelmqvist Sven
Published: December 2024

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Beklageligvis blev der byttet rundt på teksterne til figurerne på side 12. Den rigtige tekst under figurerne er:E: Bredvad porfyr, Vasselbodama SV for Âlvdalen.F: Klittberg porfyr, Klittberget NØ for Âlvdalen.G: Sort Orrloksporfyr, Orrloken N for Âlvdalen.H: Blyberg porfyr, B!yberget SØ for Âlvdalen.
Kobber i Zambia
Authors: Garde Adam
Published: December 2024

Intet resumé
Nyt om Kola-boringen
Authors: Redaktionen
Published: December 2024

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Mellemistidsdanskere
Authors: Noe-Nygaard Nanna
Published: December 2024

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Kampen om ilden - en forhistorisk rekonstruktion
Authors: Bonde Niels
Published: December 2024

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Karst
Authors: Stenestad Erik
Published: December 2024

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Nøddeknækkermanden
Authors: Buchardt Bjørn
Published: December 2024

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Flintkonglomeratet
Authors: Sjørring Steen
Published: December 2024

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Stensikre spor
Authors: Bendix-Almgreen Svend Erik
Published: December 2024

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Løss
Authors: Sjørring Steen
Published: December 2024

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Om konkretioner
Authors: Berthelsen Asger
Published: December 2024

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En senglacial komet?
Authors: Sjørring Steen
Published: December 2024

Intet resumé
Nyt om salt: Gorleben
Authors: Duphorn Klaus
Published: December 2024

Intet resumé
Islands tektonik
Authors: Pedersen Stig Schack
Published: December 2024

Intet resumé
Wolfram - wolframeftersøgning i Vestgrønland
Authors: Appel Peter
Published: December 2024

Intet resumé
Strandtur i Oman
Authors: Svendsen Nick
Published: December 2024

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Gran Canaria
Authors: Melchior Jane , Müller Birgit
Published: December 2024

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GGU’s ekspeditioner til Nordgrønland,
Authors: Henriksen Niels
Published: December 2024

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Olie i Nordgrønland?
Authors: Christiansen Flemming Getreuer , Nøhr-Hansen Henrik
Published: December 2024

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Nordgrønlands kvartærgeologi
Authors: Bennike Ole
Published: December 2024

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Geologisk kort over Nordgrønland
Authors: Redaktionen
Published: December 2024

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Råstofgeologi
Authors: Jacobsen Erik Maagaard
Published: December 2024

Intet resumé
Boganmeldese. Niels Bonde, Jesper Hoffmeyer og Helge Stangerup (red): Naturens fortællere, 1: Fra Platon til Darwin, 384 sider, G.E.C Gad
Authors: Poulsen Valdemar
Published: December 2024

Intet resumé
Aflejringer i flettede floder
Authors: Pedersen Gunver Krarup , Jeppesen Morten Willaing
Published: December 2024

Intet resumé
Academic exclusion of Health Sciences students in South African higher education institutions - A rationale for institutional policy and processes
Authors: Nalla S , Vincent-Lambert C
Published: December 2024

Background. Academic exclusion is practised in many national and international higher education institutions (HEIs), significantly impacting students’ futures. Associated stress and anxiety remain a source of conflict between all role players. Reasons for, and the rationale behind, academic exclusion are complex and multifactorial.
Objectives. To investigate and describe contemporary practices and core themes relating to academic exclusion by reviewing the academic policies and procedures in a sample of six South African HEIs within a health professions education context.
Methods. A prospective, pragmatic design was followed. This involved simple content analysis of source documents to identify similarities and differences in approach to academic exclusion, including the rationale and potential implications thereof.
Results. The rationale for exclusion remains multifactorial. The majority of institutions linked exclusion to continued poor performance and failure to complete qualifications within the maximum time. All institutions allowed for an appeal process; however, this differed significantly between institutions.
Conclusion. There is a clear, defendable rationale for the exclusion, and practices that seek to prevent students from continuing should be guided by policies and procedures that are clear and contextually relevant. While the right to appeal exclusion is supported, arbitrary support for such appeals in the absence of merit defeats the aims, objectives and rationale for exclusion.
Prendre en compte les diversités culturelles des élèves
Authors: Croguennec Florence , Koubeissy Rola , Montesano Gabrielle
Published: December 2024

Devant la présence de plus en plus grande d’élèves venu.es des quatre coins du monde dans les classes québécoises, il convient de proposer aux personnes enseignantes une réflexion quant aux pratiques qu’elles mettent en place pour accueillir ces élèves et assurer leur réussite scolaire et éducative. Il appert primordial de saisir que les élèves nouvellement arrivé.es peuvent déjà maitriser une ou plusieurs langues et possèdent un bagage riche de connaissances et de ressources culturelles et linguistiques. Cet article présente quelques résultats d’un projet de recherche visant la sensibilisation des personnes enseignantes à la pédagogie culturellement pertinente. Il propose quelques points de réflexion sur cette pédagogie à partir de cinq exemples de pratiques rapportées par cinq personnes enseignantes dans des classes d’accueil, qui peuvent être utilisées dans les classes ordinaires.
Végétation propice à la reproduction de la perchaude et du grand brochet et gestion des prairies dans la plaine inondable du lac Saint-Pierre
Authors: Paquin Émilie , Brodeur Philippe , Vaillancourt Mathieu , Poulin Monique , Bourgeois Bérenger , Rodríguez Marco A.
Published: December 2024

Le lac Saint-Pierre, qui contient la plus vaste plaine d’inondation du fleuve Saint-Laurent, procure d’importants habitats pour la faune durant la crue printanière. Les terres agricoles cultivées dans sa plaine inondable sont dominées par des cultures de maïs et de soya, qui ont engendré des pertes d’habitat et contribué au déclin de la perchaude (Perca flavescens) et du grand brochet (Esox lucius). Afin d’améliorer les pratiques agricoles en bordure du lac Saint-Pierre, la présente étude visait à caractériser le couvert végétal utilisé par ces 2 espèces pour la fraie et à identifier la période de fauche des prairies cultivées permettant de recréer les caractéristiques propices à leur reproduction. Les sites de ponte étaient composés majoritairement d’alpiste roseau (Phalaris arundinacea) et d’autres plantes herbacées dressées au port rigide. Un modèle conçu pour estimer la probabilité de trouver des oeufs au printemps affichait des valeurs de 50 à 95 % lorsque la hauteur de la végétation se situait entre 50 et 90 cm l’automne précédent. L’aménagement de prairies naturelles ou cultivées de façon extensive, à raison d’une récolte réalisée entre la mi-juillet et la fin-juillet, produirait des habitats pour la perchaude et pour le grand brochet tout en protégeant la nidification des oiseaux champêtres. La présente étude suggère qu’avec des usages plus extensifs, une conciliation entre les besoins de la faune et une exploitation agricole de la plaine inondable du lac Saint-Pierre est possible.
A large-scale proteomics resource of circulating extracellular vesicles for biomarker discovery in pancreatic cancer
Authors: Bockorny Bruno , Muthuswamy Lakshmi , Huang Ling , Hadisurya Marco , Maria Lim Christine , Tsai Leo L , Gill Ritu R , Wei Jesse L , Bullock Andrea J , Grossman Joseph E , Besaw Robert J , Narasimhan Supraja , Tao Weiguo Andy , Perea Sofia , Sawhney Mandeep S , Freedman Steven D , Hildago Manuel , Iliuk Anton , Muthuswamy Senthil K
Published: December 2024

Pancreatic cancer has the worst prognosis of all common tumors. Earlier cancer diagnosis could increase survival rates and better assessment of metastatic disease could improve patient care. As such, there is an urgent need to develop biomarkers to diagnose this deadly malignancy. Analyzing circulating extracellular vesicles (cEVs) using ‘liquid biopsies’ offers an attractive approach to diagnose and monitor disease status. However, it is important to differentiate EV-associated proteins enriched in patients with pancreatic ductal adenocarcinoma (PDAC) from those with benign pancreatic diseases such as chronic pancreatitis and intraductal papillary mucinous neoplasm (IPMN). To meet this need, we combined the novel EVtrap method for highly efficient isolation of EVs from plasma and conducted proteomics analysis of samples from 124 individuals, including patients with PDAC, benign pancreatic diseases and controls. On average, 912 EV proteins were identified per 100 µL of plasma. EVs containing high levels of PDCD6IP, SERPINA12, and RUVBL2 were associated with PDAC compared to the benign diseases in both discovery and validation cohorts. EVs with PSMB4, RUVBL2, and ANKAR were associated with metastasis, and those with CRP, RALB, and CD55 correlated with poor clinical prognosis. Finally, we validated a seven EV protein PDAC signature against a background of benign pancreatic diseases that yielded an 89% prediction accuracy for the diagnosis of PDAC. To our knowledge, our study represents the largest proteomics profiling of circulating EVs ever conducted in pancreatic cancer and provides a valuable open-source atlas to the scientific community with a comprehensive catalogue of novel cEVs that may assist in the development of biomarkers and improve the outcomes of patients with PDAC.
An integrated machine learning approach delineates an entropic expansion mechanism for the binding of a small molecule to α-synuclein
Authors: Menon Sneha , Adhikari Subinoy , Mondal Jagannath
Published: December 2024

The mis-folding and aggregation of intrinsically disordered proteins (IDPs) such as α-synuclein (αS) underlie the pathogenesis of various neurodegenerative disorders. However, targeting αS with small molecules faces challenges due to the lack of defined ligand-binding pockets in its disordered structure. Here, we implement a deep artificial neural network-based machine learning approach, which is able to statistically distinguish the fuzzy ensemble of conformational substates of αS in neat water from those in aqueous fasudil (small molecule of interest) solution. In particular, the presence of fasudil in the solvent either modulates pre-existing states of αS or gives rise to new conformational states of αS, akin to an ensemble-expansion mechanism. The ensembles display strong conformation-dependence in residue-wise interaction with the small molecule. A thermodynamic analysis indicates that small-molecule modulates the structural repertoire of αS by tuning protein backbone entropy, however entropy of the water remains unperturbed. Together, this study sheds light on the intricate interplay between small molecules and IDPs, offering insights into entropic modulation and ensemble expansion as key biophysical mechanisms driving potential therapeutics.
DANNET: deep attention neural network for efficient ear identification in biometrics
Authors: Alex Deepthy Mary , M. Kalpana Chowdary , Mengash Hanan Abdullah , M. Venkata Dasu , Kryvinska Natalia , J. Chinna Babu , Kiran Ajmeera
Published: December 2024

Biometric identification, particularly ear biometrics, has gained prominence amidst the global prevalence of mask-wearing, exacerbated by the COVID-19 outbreak. This shift has highlighted the need for reliable biometric systems that can function effectively even when facial features are partially obscured. Despite numerous proposed convolutional neural network (CNN) based deep learning techniques for ear detection, achieving the expected efficiency and accuracy remains a challenge. In this manuscript, we propose a sophisticated method for ear biometric identification, named the encoder-decoder deep learning ensemble technique incorporating attention blocks. This innovative approach leverages the strengths of encoder-decoder architectures and attention mechanisms to enhance the precision and reliability of ear detection and segmentation. Specifically, our method employs an ensemble of two YSegNets, which significantly improves the performance over a single YSegNet. The use of an ensemble method is crucial in ear biometrics due to the variability and complexity of ear shapes and the potential for partial occlusions. By combining the outputs of two YSegNets, our approach can capture a wider range of features and reduce the risk of false positives and negatives, leading to more robust and accurate segmentation results. Experimental validation of the proposed method was conducted using a combination of data from the EarVN1.0, AMI, and Human Face datasets. The results demonstrate the effectiveness of our approach, achieving a segmentation framework accuracy of 98.93%. This high level of accuracy underscores the potential of our method for practical applications in biometric identification. The proposed innovative method demonstrates significant potential for individual recognition, particularly in scenarios involving large gatherings. When complemented by an effective surveillance system, our method can contribute to improved security and identification processes in public spaces. This research not only advances the field of ear biometrics but also provides a viable solution for biometric identification in the context of mask-wearing and other facial obstructions.
Comparative analysis of Hymenasplenium (Aspleniaceae) chloroplast genomes from China
Authors: Chang Yanfen , Wang Zhixin , Zhang Guocheng , Wang Na , Cao Limin
Published: December 2024

Hymenasplenium is one of the two genera in the large fern family Aspleniaceae. A previous study explored the molecular phylogeny of this genus using several chloroplast DNA fragments and identified three major clades, one of which is the monophyletic Old World clade with southwestern China as its diversity center. To date, there were only a few studies conducted on chloroplast genomes in Hymenasplenium or Aspleniaceae, limiting the understanding of the plastome features and its role in evolution of this group. Here, we studied the complete chloroplast genomes of 12 Hymenasplenium species covering all four subclades of the Old World clade distributed in China. The length of the Hymenasplenium plastomes ranged from 151,617 to 151,930 bp, and contained 129 genes in total, comprising 87 protein-coding, 34 tRNA, and eight rRNA genes. The GC content ranged from 41.8% to 42.1%. Comparative analyses of the Hymenasplenium chloroplast genomes displayed conserved genomic structure and identical gene arrangement. A total of 1,375 simple sequence repeats and 1,639 large repeats were detected. In addition, we detailed hypervariable regions that can be helpful for further phylogenetic research and species delimitation in Hymenasplenium. Furthermore, we supported phylogenetic relationships among major groups as well as possible cryptic speciation found in previous research in the genus. Our study provides new insights into evolutionary history and basic resources for phylogenetic and taxonomic studies of the genus Hymenasplenium.
Validation study on the assay method for anti-factor IIa potency of enoxaparin sodium
Authors: Yang Xiaorong , Zou Hanyan , Dong Yixue , Liu Bing , Wang Ying , Wang Mengying
Published: December 2024

Enoxaparin sodium is a low molecular mass heparin essential for effective anticoagulation therapy. However, significant variations in testing methods across different manufacturers have led to poor reproducibility of results, increasing the risks associated with drug quality evaluation by manufacturers and regulatory oversight. This study integrates the strengths of various testing methods to establish a reproducible assay that has been thoroughly validated. The validation results demonstrate that the method exhibits excellent specificity, linearity, robustness, precision, and accuracy, with recovery rates ranging from 98.0% to 102.0%. The new method demonstrated high consistency and reproducibility, with an RSD value of less than 2.0%, and showed the potential to replace the European Pharmacopoeia method by reducing reagent usage, experimental costs, and equipment requirements. The reliable results of this method facilitate its adoption across different laboratories, enhance the quality control of enoxaparin sodium, and provide a reference for new manufacturers and drug regulatory authorities, thereby ensuring medication safety.
The role of circRNA in breast cancer drug resistance
Authors: Yang Shaofeng , Li Donghai
Published: December 2024

Among women with cancer, breast cancer has surpassed lung cancer to become the most prevalent type of cancer globally. High-throughput sequencing of breast cancer tissues from many patients has revealed significant variations in circRNA expression across different types of breast cancer. Chemotherapy is currently a very important method for treating breast cancer; however, as the number of chemotherapy sessions increases and considering factors such as the patient’s immune response, drug resistance has become a challenging issue in treating breast cancer. It is well known that drug resistance is associated with multiple factors, and different resistance mechanisms involve different roles of circRNA. This review consolidates literature from the past 5 years and addresses the shortcomings in the broad description of circRNA’s role in breast cancer drug resistance. It categorizes and describes the drug resistance and its mechanisms in different types of breast cancer, as well as the roles of circRNA and signaling pathways in drug resistance.