bluuebunny/crossref_metadata_2025 huggingface dataset:
Proceso de adaptación y validación de los enunciados del CAPE-V al español y catalán: un modelo para futuras adaptaciones lingüísticas
Authors: Calaf Neus
Published: February 2025

La evaluación auditivo-perceptiva es clave para diagnosticar trastornos de la voz, aunque su subjetividad presenta desafíos. El CAPE-V, diseñado para estandarizar la evaluación de las cualidades vocales, ha sido adaptado a varios idiomas para abordar estas dificultades. Uno de los principales retos en la adaptación cultural y lingüística del CAPE-V es la modificación de los seis enunciados de la tarea 2 del protocolo de recogida de muestras. El objetivo de este trabajo es detallar el proceso de adaptación lingüística y cultural de los enunciados del CAPE-V en su versión bilingüe español/catalán, destacando las decisiones tomadas para garantizar su aplicabilidad en ambas lenguas. El estudio se desarrolló en varias fases, involucrando a tres expertos en fonética, tres logopedas especializados en voz y 64 estudiantes. Se revisaron múltiples versiones preliminares mediante entrevistas y una prueba piloto. Los enunciados se ajustaron según la funcionalidad, relevancia y adecuación al protocolo, hasta obtener una versión final optimizada mediante un proceso de revisión colaborativa. Los enunciados adaptados demostraron ser adecuados para evaluar los criterios establecidos por el instrumento original: todos los sonidos vocálicos, las transiciones de sonidos sordos a sonoros, la capacidad de mantener la vibración glótica, los ataques glóticos duros, la resonancia nasal y la presión intraoral en ambas lenguas. Como conclusión podemos decir que la adaptación de los enunciados del CAPE-V al español y catalán ha mantenido la funcionalidad original, garantizando su adecuación lingüística. El proceso, basado en una metodología rigurosa y colaborativa, puede servir de guía para futuras adaptaciones culturales y lingüísticas de instrumentos de evaluación fonéticamente dependientes.
Problem and Project Based Questions in the Indonesian Language Book for Grade XI Published by Erlangga
Authors: Susanto Rahmad Nanda Viky , Kholis Hannan Fuad , Adtya Rizal Friska
Published: February 2025

As a student companion book, textbooks must have content that can encourage students to think at a high level in order to face the development of education in the independent curriculum. This study aims to identify the content of HOTS questions based on problems and projects in the Indonesian Language textbook published by Erlangga in 2022. This study uses a qualitative descriptive approach with content analysis techniques. The data in this study are in the form of problem-based and project-based questions in the book Competent in Indonesian Language for Senior High School/Vocational High School Class XI published by Erlangga in 2022. The data collection technique in this study used document studies. The data validity technique in this study used triangulation of sources and theories. The results of this study show that there are 68% problem-based questions and 32% projects in the Indonesian Language textbook published by Erlangga in 2022. This shows that this book has not been able to balance the composition of problems and projects that support the implementation of the independent curriculum. However, the existence of these HOTS questions is able to support students' high-level thinking skills in the independent curriculum.
SHWavePropagation in Dry Sandy Media Overlying an Orthotropic Elastic Layer and APre-Stressed Dry Sandy Half-Space
Authors: Madan Dinesh Kumar , Kumar Naveen , Goyal Ritu
Published: February 2025

SH wave propagation considering a model comprised of a dry sandy layer, an orthotropic elastic layer and a prestressed dry sandy half-space has been investigated in present problem with dislocation- like imperfectness considered at medium I and medium II’s interface. Expressions for displacement components for layers and half-space are obtained by using variable separation method. Appropriate boundary conditions are used to derive dispersion equation and is used for graphical analysis. Numerical computations are used to depict the several characteristics’ influence on SH wave propagation, such as sandiness, imperfection and pre-stress. Obtained results regarding propagation pattern of SH-waves for the considered geometry due to various parameters serves as the utmost features of this study, having possible applications in material sciences, soil dynamics and geophysics.
IMPLEMENTATION OF CRYPTOGRAPHIC ALGORITHMS USING MOORE MACHINE AND RECURRENCE MATRIX
Authors: Navalakhe Rachna , Atre Harsha
Published: February 2025

Today in this modern and digital world, people need privacy and security during digital communication of their secret information. Cryptographic techniques provide methods for secure digital communication. In this paper, we have proposed a secret message sharing algorithm using f inite state machine and recurrence relation to enhance the security level of the messages which is being sent between sender and receiver. The proposed new cryptographic encryption and decryption algorithm has been implemented using Moore machine which is a type of finite state automaton and two recurrence matrices namely Fibonacci numbers and Mersenne numbers. The importance of these algorithms is that, we can send information securely through the communication channel using them. The efficiency of the proposed algorithm has been analyzed and the analysis shows high level cryptographic protection during digital communication. In these algorithms we have used multiple set of keys to encipher the original message and its inverse to decipher it again and the authenticity of algorithms is assured because these algorithms have different levels of security which enhance the chances to keep our data or information confidential and secure for long time. There are many states in Moore machine to calculate the appropriate output. In every state it takes a new recurrence relation which depends upon the input. To compute the output, we apply mathematical operation which is our cipher text. At each level we have number of cipher text which increases the data security.
STRUCTURAL ANALYSIS AND VIBRATION TESTING OF THE TUMnanoSAT MICROSATELLITE
Authors: Bostan Viorel , Guțu Marin , Melnic Vladimir , Martîniuc Alexei
Published: February 2025

One of the important verification steps before the launch of the nanosatellite developed at Technical University of Moldova (TUMnanoSAT) was vibration testing of the real model. These tests were carried out according to the requirements submitted by the Japan Aerospace Exploration Agency (JAXA) in collaboration with which the launch of our nanosatellite was possible. Thus, in order to validate the structural integrity of CubeSat nanosatellites under launch loads, a 1U TestPod was designed and manufactured. This work presents hands-on experience of the vibration testing of the TUMnanoSAT microsatellite and simulation of static and dynamic loads. The dynamic behavior was analyzed by checking the harmonic oscillations (modal analysis and random vibrations) in order to avoid critical frequency (140 Hz). The testing facilities were provided by the Space Science Institute from Bucharest. The microsatellite was vibration tested in X, Y and Z axis directions according to special requirements. The numerical calculation model was developed in ANSYS Workbench. Comparison of the experimental results and numerical modal tests showed a good correlation within 10%.
ADVANCEMENTS IN SENSOR TECHNOLOGY FOR AUTONOMOUS WALKER
Authors: Seguí Verdú Isabel , Dunai Larisa , Sava Lilia
Published: February 2025

This study presents a detailed analysis of gait trajectory and orientation using Time of Flight sensors and Inertial Measurement Units during controlled movement tests in a robotic walker. The tests were performed on three distinct path configurations: straight-line, rectangular, and lemniscate paths. The Time-of-Flight sensors measured changes in distance, while the Inertial Measurement Units captured yaw and orientation data. Notably, during sharp turns, the Time-of-Flight sensors detected significant distance fluctuations corresponding to the directional changes captured by the Inertial Measurement Units yaw data. The results highlight the effectiveness of combining Time of Flight and Inertial Measurement Units data to track stable movement, detect sudden turns, and monitor orientation adjustments in complex trajectories. This combined approach can offer critical insights for gait analysis, rehabilitation, and robotics navigation.
SELECTION OF DESIGN VALUES FOR PHYSICAL-MECHANICAL PROPERTIES IN THE CONSTRUCTIONS ON COLLAPSIBLE SOILS
Authors: Polcanov Vladimir , Rascovoi Alexandru , Cirlan Alexandru
Published: February 2025

The article substantiated the necessity of detailed geological-engineering surveys during the design and construction on collapsible soils. A landslide incident on the Cahul-Giurgiulești railway line at 74th km was highlighted. Among the main causes there were the soaking of collapsible soils and the development of suffusion processes. A brief historical overview of the study of collapsible soils in Republic of Moldova was provided. The results of theoretical and laboratory studies aimed at further revealing the nature of collapsible soils were presented. The impact of additional soil moisture on the values of physical-mechanical property characteristics was studied. Based on the moisture-density theory, the dependencies of strength on consistency were constructed. It was established that the decrease in the strength of collapsible loams over time might have been caused by the disruption of rigid cementation bonds of structural cohesion (Cc) and the reduction of hydrocolloid cohesion (Σw) under conditions of changes in the existing natural moisture regime (consistency) due to additional moisture from engineering activities and the rise of the groundwater level. Recommended design values for physical-mechanical characteristic parameters for construction projects were provided.
STATISTICAL EVALUATION OF DATA ON THE POLLUTION OF THE PRUT RIVER WITH AMMONIUM NITROGEN
Authors: Marusic Galina , Braniște Rodica , Sava Nina , Ababii Victor , Cărbune Viorel , Tiholaz Tamara
Published: February 2025

This paper analyzes the pollution of the Prut River with ammonium nitrogen (NH₄⁺) during the period 2019–2021, focusing on exceedances of the maximum allowable concentration (MAC) of 0.2 mg/L. The analyzed data comes from measurements taken in various localities along the river. The results indicate constant pollution with significant exceedances of the MAC, the highest measured concentration being 3.85 mg/L. Descriptive analysis reveals an asymmetric distribution, with extreme values raising the average to 0.8456 mg/L. The 2019–2021 period was chosen because this interval recorded significant MAC exceedances. Urban localities, such as Leova and Lipcani, show the highest concentrations, and are correlated with intense human activities. The conclusions emphasize the need for urgent action to reduce pollution and protect aquatic ecosystems and public health.
Pemanfaatan Media Sosial Sebagai Sarana Interaksi Sosial Bagi Lansia di Sekolah Ramah Lansia, Kelurahan Jatisampurna, Kota Bekasi
Authors: Andriati Dea Andini , Patria Muhammad
Published: February 2025

Media sosial berpotensi menjadi sarana efektif untuk mengurangi isolasi sosial pada lansia, tetapi keterbatasan dalam literasi digital sering menjadi penghalang. Program Pengabdian Kepada Masyarakat ini bertujuan meningkatkan kemampuan lansia dalam memanfaatkan media sosial sebagai alat interaksi sosial di Sekolah Ramah Lansia, Kelurahan Jatisampurna, Kota Bekasi. Kegiatan ini menggunakan metode sosialisasi, pelatihan berbasis interaktif, penerapan teknologi, pendampingan personal, serta evaluasi hasil. Sebanyak 50 peserta lansia dilatih untuk menggunakan media sosial seperti WhatsApp dan Facebook, meliputi pengelolaan akun, panggilan video, dan kemampuan memilah informasi. Evaluasi program menunjukkan peningkatan rata-rata pemanfaatan media sosial sebesar 70%, dengan 85% peserta merasa puas terhadap pelatihan yang diberikan. Kemajuan tersebut mencakup kemampuan lansia dalam melakukan panggilan video secara mandiri dan memperluas komunikasi sosial melalui media digital. Program ini berdampak positif bagi mitra dengan berkurangnya isolasi sosial serta meningkatnya partisipasi aktif peserta dalam kegiatan komunitas digital.
Pemberian Psikoedukasi sebagai Upaya Meningkatkan Pengetahuan dan Kesadaran Terhadap Konseling dan Permasalahan Suicide pada Karyawan Instansi X Sumatera Selatan
Authors: Azkarina Meiska , Maharani Aisyah , Lestari Biancha Anisyah , Inayah Shifa , Appulembang Yeni Anna
Published: February 2025

Pengabdian masyarakat ini bertujuan untuk meningkatkan pengetahuan dan kesadaran komunitas terkait permasalahan yang terjadi di lingkungan instansi X. Metode penelitian dilakukan melalui asesmen, yaitu observasi tidak terstruktur dan juga pengumpulan data sekunder, lalu peningkatan pengetahuan dan kesadaran melalui metode psikoedukasi. Psikoedukasi dilakukan dalam bentuk pembuatan poster suicide prevention awareness dan banner “Ayo konseling” yang ditempatkan di lingkungan instansi X. Hasil psikoedukasi ini berguna untuk memberikan informasi terkait permasalahan konseling dan meningkatkan kepedulian akan tanda-tanda bunuh diri yang mungkin terjadi dan menjadi pendukung fasilitas di Bagian Psikologi biro SDM instansi X, hal ini dibuktikan salah satunya dengan kenaikan dalam jumlah karyawan yang datang untuk melakukan konseling pada tahun 2024  sekitar 15% lebih banyak dari keseluruhan data di  tahun 2023.
Prediksi Jumlah Pasien Masuk Rumah Sakit Menggunakan Metode Random Forest
Authors: Sufyan Asaury Akhmad , Hamid Abdul , Triyono Gandung
Published: February 2025

Kesehatan merupakan kebutuhan utama masyarakat pada masa kini, sehingga peningkatan sarana pelayanan kesehatan menjadi hal yang krusial untuk mencapai derajat kesehatan yang optimal sesuai dengan tujuan pembangunan kesehatan. Rumah sakit sering menghadapi lonjakan pasien setiap harinya, terutama pada instalasi rawat inap. Prediksi jumlah pasien masuk seringkali menggunakan metode sederhana seperti rata-rata historis yang kurang akurat, sehingga menyebabkan ketidakefisienan dalam pengelolaan sumber daya, pengendalian biaya, dan penyediaan layanan berkualitas. Data yang digunakan dalam penelitian ini adalah data bangsal dari Januari 2021 hingga Desember 2022, yang diperoleh dalam format Excel dengan total 730 data selama dua tahun. Penelitian ini bertujuan untuk mengembangkan model prediksi berbasis Random Forest yang dapat memperkirakan jumlah pasien masuk rumah sakit secara akurat dengan mempertimbangkan berbagai faktor, seperti demografi pasien dan variabel waktu. Proses penelitian melibatkan pengumpulan data, preprocessing untuk membersihkan dan mempersiapkan dataset, pelatihan model, serta evaluasi kinerja menggunakan metrik seperti Mean Squared Error (MSE), Mean Absolute Error (MAE), dan Root Mean Squared Error (RMSE). Hasil evaluasi menunjukkan bahwa model prediksi memiliki performa yang baik dengan nilai MSE sebesar 0,64, MAE sebesar 0,60, dan RMSE sebesar 0,80, yang mengindikasikan tingkat kesalahan prediksi yang rendah. Informasi prediksi jumlah pasien ini memberikan dampak signifikan bagi manajemen rumah sakit dalam mengelola kapasitas, seperti alokasi tempat tidur, tenaga medis, dan peralatan medis, sehingga efisiensi operasional dapat ditingkatkan. Dengan demikian, metode prediksi berbasis Random Forest tidak hanya memberikan hasil yang akurat, tetapi juga dapat diterapkan secara langsung untuk mendukung pengambilan keputusan strategis di lingkungan rumah sakit.
Exploring the Level of Awareness and Usage of Accounting Software Among Small Businesses in Nigeria
Authors: O. O. Olayemi, , J. Adebiyi, , O. B. Oyelakun, , A. A. Ibrahim,
Published: February 2025

The advent of accounting software has the potential to help small businesses keep accurate financial records, streamline accounting processes, provide real-time financial data, and enable them to have good financial management practices. However, despite the benefits of accounting software, most small businesses seem unaware of accounting software and its importance to their financial management practices. This study, therefore, explored the level of awareness and usage of accounting software among small businesses in Nigeria. 54 respondents were selected from small business owners in the South West of Nigeria. The study used primary data collected through questionnaire administration on the respondents. The study used descriptive analysis. The findings of the study showed that there is a low awareness of accounting software among small business owners. Also, most small business owners are not currently using accounting software in their businesses, as they are still using manual methods of recording. Additionally, those using accounting software cited improvement in their financial management practices. The study recommended that there should be awareness about the availability of accounting software for small businesses and software developers should consider creating cost-effective, localized software to reduce the dependency on foreign solutions with high subscription fees, especially for Nigerian small businesses.
BUILDING CONTENT CONSUMERS: A CONCEPTUAL PAPER AND RESEARCH
Authors: Namrata Ladha
Published: February 2025

The growing academic and professional literature on content marketing sets it as the fastest-emerging digital marketing tool. Yet, the reasons why customers follow (or unfollow) brands on social media sites are unknown to marketers. An extensive literature review was conducted to identify factors that improve consumers’ attitudes toward marketer-generated content (MGC). The study uses communication theories, resource-based theories, motivation theories, and psychological concepts as method theories to explore the domain of consumer attitude. Results show that consumers’ attitude toward MGC is positively affected by Trust, E-entertainment, Brand activism, social orientation, and self-esteem factors. A conceptual model and propositions are developed, drawing upon the identified factors. The model will give good insight to those who want to conduct empirical research in the area and will be a stepping-stone for digital marketers, policymakers, and content writers.
"Evaluating Customer Service Efficiency in Power Distribution Companies through Mystery Shopping: A Study on Billing, Complaint Resolution, and New Connection Services"
Authors: Gloria Antonitta Lobo, Deepti Shetty
Published: February 2025

The efficiency of customer service in Indian Power Distribution Companies (DISCOMs) is a key determinant of consumer satisfaction and operational effectiveness. This study assesses service quality in DISCOMs through the application of mystery shopping, focusing on billing services, complaint resolution, and new connection processes. The research integrates SERVQUAL, the Gap Model of Service Quality, Experiential Learning Theory, and the Technology Acceptance Model (TAM) to assess service gaps and propose enhancements. Findings indicate that inefficient complaint redressal mechanisms, delayed billing resolutions, and cumbersome new connection procedures contribute to consumer dissatisfaction. The study highlights the potential of AI-driven service solutions, digitalization, and regulatory interventions to enhance service quality. Policy recommendations emphasize the need for continuous monitoring through mystery shopping, technology adoption, and customer-centric reforms to ensure efficiency in power distribution services.
DOI:https://doi.org/10.52783/pst.1550
Yu.N. Stolyarov – Chairman of the Dissertation Council at the Moscow State Institute of Culture
Authors: Lopatina N.V.
Published: February 2025

In the article the author shares some memories about Yu.N. Stolyarov, about
his work at the Moscow State Institute of Culture, about the training of graduate
students, about the ethics of research work.
The name of the outstanding Scientist Yuri Nikolaevich Stolyarov was assigned to the Yakut Scientific Research Institute of Reading
Authors: Maksimova S.V.
Published: February 2025

The article is dedicated to one of the outstanding Soviet and Russian scientists in the field of library science, documentology, book science and computer science, Doctor of Pedagogical Sciences, Professor Y.N. Stolyarov (1938–2024), his connections with the Republic of Sakha (Yakutia). The Yakut series
of publications by the scientist, dedicated to the origins of book culture and the
explanations of the concepts of «regional library science» and «regional cultural
history», is analyzed.
Super-ex-libris, ex-libris, seal and stamp as attributive elements of the book collection of the Niasvizh Ordination of the Princes Radziwill (based on the materials of the collection of the J. Kolas Central Library of the National Academy of Sciences of Belarus)
Authors: Stefanovich A.V.
Published: February 2025

The article is devoted to the revealed super-ex-libris, ex-libris,
seals and stamp as elements of attribution of books from the Library
of Princes Radziwill of Nesvizh Ordination.
On the publication of antimins at the Moscow Printing Yard in the 17th century
Authors: Khromov O.R.
Published: February 2025

The article is devoted to the history of the publication of antimins
at the Moscow Printing Yard. On the basis of archival documents
and study of antimins copies the chronology of antimins publication,
the order of editions and attribution of Moscow antimins of the 17th
century are specified.
«Science is the clear knowledge of truth»: the book heritage of the Russian Academy of Sciences in the collection of the Library of Foreign Literature
Authors: Shub O.F.
Published: February 2025

A brief review of the editions having special historical, scientific,
cultural significance and published in the printing house of the Academy of Sciences in the 18th–19th centuries.
Patriotic Education in the Context of Socio-Cultural Consumer Society Installations
Authors: Stychinsky M.S.
Published: February 2025

In conditions of increasing social risks, it is especially important to study the factors contributing to maintaining the stability of society. The article examines the importance of the formation of patriotic values in a modern consumer society. The material analyzes the influence of socio-cultural attitudes inherent in consumer society on the process of fostering patriotism among the younger generation. The article discusses how consumer values, the focus on consumption, and the commercialization of culture can influence the formation of a sense of belonging to one's country and willingness to serve society. Modern consumer society presents special challenges for patriotic education and requires innovative approaches for effective work with the younger generation.
The Study of Historical Memory in the Context of Modern Urban Culture
Authors: Mayer A.S.
Published: February 2025

The article considers the problem of historical memory in the context of modern urban culture. Special attention is paid to domestic and foreign studies of this topic in interdisciplinary discourse.
Contribuciones en los procesos de dinamización de organizaciones campesinas para la producción de semilla de calidad de arveja en Nariño
Authors: Rincón Manrique Luis Felipe , Ramos-Zambrano Housseman Steven , Cadena-Guerrero Máryory Maricela , Yepes Chamorro Dionicio Bayardo , Arana Chico Henry Camilo
Published: February 2025

La integración de las semillas en los paquetes tecnológicos de se ha convertido en un aspecto integral de la comercialización e industrialización agrícola y tienen el objetivo de aumentar la rentabilidad y la productividad de sistemas productivos priorizados por segmentos de la industria. Sin embargo, una significativa gama de cultivos regionales, de importancia económica, social y productiva para amplias zonas, cuentan con débil oferta de semillas de calidad que garanticen la productividad y mejore la eficiencia de la actividad. Es el caso del cultivo de la arveja (Pisum sativum L.), que es una actividad económica y productiva estratégica en el departamento de Nariño (suroccidente colombiano), al desarrollarse en un área de 13 589 hectáreas y de cuya actividad dependen alrededor de 20 mil familias, que cuenta con una débil oferta de semilla calidad. Para atender esta problemática, la Corporación Colombiana de Investigación Agropecuaria -AGROSAVIA implementa la estrategia Plan Nacional Semillas (PNS) orientada a establecer un modelo técnico para la producción de semillas de calidad por parte de pequeños y medianos agricultores mediante el fortalecimiento de capacidades productivas, organizacionales y de comercialización. En el marco del PNS arveja, se beneficiaron cuatro organizaciones de productores, de igual número de municipios que, mediante un enfoque de investigación participativa, favoreció el fortalecimiento de capacidades y desarrollo de habilidades para la producción de semilla de calidad. Como resultado se logró evidenciar que el PNS arveja contribuyó a la adopción y reconocimiento de mejores prácticas culturales para la producción y permitió la reconstitución del tejido social, las dinámicas organizativas y de participación al interior de las asociaciones. La diversificación de canales de comercialización, desarrollo de portafolios de negocios y mejoramiento de la dotación e infraestructura siguen siendo brechas que enfrentan los productores vinculados a la iniciativa.
Caracterización de fincas productoras de café (Coffea arabica L.) orgánico y convencional en la zona de Intag, Ecuador
Authors: Basantes-Vizcaíno Telmo Fernando , Alegre Orihuela Julio Cesar
Published: February 2025

El cultivo de café (Coffea arabica L.) en Ecuador tiene importancia económica en las exportaciones, además las zonas andinas poseen condiciones para un café de altura de excelente calidad; el objetivo del estudio fue caracterizar las fincas productoras de café de la zona de Intag, Ecuador. Se trabajó con una población de 273 fincas cafeteras de donde se obtuvo una muestra (n=116) productores; la encuesta incluyó preguntas de aspectos socioeconómicos y técnicos. Se realizó un análisis de correspondencia mediante información mutua en RStudio, con la finalidad de verificar si existe relación entre las variables categóricas, en segunda instancia se realizó una Correlación de Person mediante análisis de correlación con un modelo lineal generalizado con elastic nets (Machine Learning Models) y un cruce de validación para separar los datos numéricos, a fin de determinar un modelo de regresión logística. Los resultados muestran fincas cafeteras orgánicas organizadas y asociadas, donde prevalece los minifundios, falta de innovación tecnológica y bajos rendimientos; poseen gran diversidad de cultivos en asocio mediante sistemas agroforestales donde prevalece Musa spp. Manihot esculenta C. y Alnus nepalensis D. con café, además, la producción de animales de granja permite que se generen mayores ingresos familiares y bio insumos para las fincas. El sistema de comercialización es mediante dos asociaciones en modalidad orgánica y convencional para la elaboración de cafés especiales de venta local e internacional. El análisis de conglomerados mostró dos grupos, uno de 84 fincas orgánicas (69 %) y otro de 32 fincas convencionales (31 %). El primer grupo cultiva Typica (45 %) y Bourbon (55 %), tienen mejor manejo del agroecosistema y uso de microorganismos benéficos para combatir plagas y enfermedades, por lo que obtienen mejor precio en la comercialización mediante certificación orgánica.
Población de insectos plaga y parasitoides pertenecientes a Citrus aurantifolia en Manabí, Ecuador
Authors: Valarezo-Beltrón Oswaldo , Saldarriaga Lucas Veris Antonio , Vera-Montenegro Lenin Oswaldo , Valarezo-Beltrón Néstor Raúl , Julca Otiniano Alberto , Rodríguez Berrío Alexander
Published: February 2025

Ecuador ha reportado como principales insectos plagas en limón a: Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae), Aleurothrixus floccosus Maskel (Hemiptera: Aleyrodidae), Toxoptera aurantii Boyer de Fonscolombe (Homoptera: Aphididae); los enemigos naturales de estas plagas, se presentan como una alternativa para el control biológico. El objetivo fue evaluar la dinámica poblacional de las principales plagas en limón y sus parasitoides en las localidades de Colón y Riochico, provincia de Manabí, Ecuador. Las muestras recolectadas fueron analizadas con el software R V3.4.2. Se realizaron análisis bivariantes comparando la población de plagas y sus parasitoides por localidades, verificando el supuesto de normalidad, se empleó la prueba t de muestras independientes y se realizó análisis de correlación de Pearson para las poblaciones de plagas y sus parasitoides. Se identificaron en dos localidades cinco especies de parasitoides: Encarsia nigricephala (Hymenoptera: Aphelinidae) y Eretmocerus sp. (Hymenoptera: Aphelinidae) correspondieron a A. floccosus; Aphidius sp. (Hymenoptera: Braconidae) con Diaretus sp. (Hymenoptera: Braconidae) se encontraron en T. aurantii; y A. citrícola Logvinovskaya (Hymenoptera: Encyrtidae para P. citrella. Entre P. citrella y A. citricola no existió correlación en las localidades evaluadas. Para la jurisdicción de Riochico se alcanzó correlación significativa de -0.706 entre A. floccosus y E. nigricephala. En la localidad de Colón, se observó correlación directa significativa de 0.672 entre los parasitoides E. nigricephala y Eretmocerus sp. Además, se obtuvo correlación con significancia entre la población de T. aurantii y el parasitoide Diaretus sp. cuyo valor fue de -0.624 para la localidad de Riochico.
Caracterización morfológica y fisiológica de aislamientos nativos de Beauveria brongniartii a partir de insectos infectados en campo
Authors: López Blanco Carlos , Espinoza Almazán Jorge , Quino Luna Juan Javier
Published: February 2025

El hongo Beauveria brongniartii tiene actividad patogénica sobre diversos insectos en el agroecosistema andino. Sin embargo, los estudios en este campo son escasos en el país. El objetivo del estudio fue caracterizar morfológica y fisiológicamente aislamientos nativos del hongo, a partir de insectos infectados en campo, en la Estación Experimental Choquenaira, Viacha - Bolivia. Se colectó insectos parasitados de campo, los cuales se aislaron y caracterizaron bajo criterios morfológicos y fisiológicos en laboratorio. Las variables evaluadas fueron: análisis de aislamientos obtenidos, características morfológicas macroscópicas (crecimiento, aspecto, color, superficie, pigmentación y sinemas) y microscópicas (hifas, conidióforos, fiálides, raquis, conidias) y medidas fisiológicas (crecimiento, conidiación y germinación). Se realizó el análisis descriptivo (caracteres morfológicos) y estadístico (caracteres fisiológicos) bajo el diseño completo al azar, con ANVA, prueba Duncan, desviación estándar (error ≤ 5 %). Se obtuvo cinco aislamientos a partir de los hospederos Phyllophaga sp., Premnotrypes sp (2), Astylus vittaticollis, Notiobia sp. (Bbr1, Bbr2, Bbr3, Bbr4 y Bbr5), denotando su adaptabilidad, su rango y especificidad sobre insectos. El análisis morfológico presento variación y similitud en sus características, perteneciendo los aislados a la especie B. brongniartii. El análisis fisiológico determino diferencias en conidiación, sobresaliendo el Bbr5 (5.95 x 107 c ml-1), y sin diferencias las variables crecimiento radial (TDCR) y germinación, con superioridad no significativa de Bbr2 (39.20 mm y 1.91 mm día-1) y Bbr5 (94.20 %). La investigación realizada aporta resultados positivos ya que al caracterizar los aislamientos nativos de B. brongniartii a partir de insectos infectados, se confirma el potencial de la especie para realizar a futuro la caracterización patogénica en la obtención de cepas promisorias para el control biológico de plagas en la región.
Curculionidos asociados al majo (Oenocarpus bataua) y asaí (Euterpe precatoria) en el norte de La Paz, Bolivia
Authors: Rodríguez-Fernández Jaime Iván , Calle Peralta José Luis
Published: February 2025

El bosque amazónico de Bolivia es un espacio estratégico de especial protección para el desarrollo integral del país por su elevado potencial forestal. Recientemente se ha incrementado la demanda de varios productos del bosque como por ejemplo frutos de las palmeras como el asaí y el majo, pero, la polinización de estas y otras palmeras prácticamente no se ha estudiado en Bolivia como tampoco a sus agentes polinizadores. Según literatura los principales polinizadores de asaí son abejas y escarabajos mientras que, para el majo, los principales polinizadores son escarabajos, destacando escarabajos de la superfamilia Curculionoidea. Así, este estudio tiene como objetivo determinar la riqueza y abundancia de Curculionoidea asociados al majo y asaí en el norte de La Paz, buscando profundizar el conocimiento de grupos que están relacionados a la polinización del majo y el asaí en dos áreas de bosque con dominancia de asaí o majo del sistema ecológico de Bosques del glacis pre andino del Suroeste de la Amazonia. Mediante colectas nocturnas con trampas de luz. Se capturaron 24 individuos de la superfamilia Curculionoidea, distribuidos en 14 morfoespecies de los que 2 géneros representan nuevos registros para Bolivia y otros 2 eneros que representan nuevos registros para el Departamento de La Paz. Ya que los coleópteros representan los principales polinizadores de palmera en general, los resultados obtenidos fortalecen el conocimiento de grupos de relevancia para la polinización de palmeras. El fortalecimiento del conocimiento de los polinizadores de palmeras, no solo repercute en la seguridad alimentaria sino incluso en la seguridad energética en un contexto donde los biocombustibles, cuya materia prima son los frutos de palmeras, poco a poco se están incrementado en la matriz energética nacional.
Evaluación comparativa de explantes y medios de cultivo en establecimiento in vitro del cacao boliviano (Theobroma cacao L.) en la Estación Experimental Sapecho
Authors: Manzaneda Delgado Fernando , Echenique Quezada Marco Antonio , Aparicio Porres Juan José
Published: February 2025

Se buscaba mejorar la propagación y conservación del cacao nacional boliviano. Este estudio evaluó la eficiencia de explantes (estaminodios y pétalos) y medios de cultivo para la propagación in vitro. La investigación se llevó a cabo en el Laboratorio de Biotecnología de la Estación Experimental de Sapecho, durante septiembre 2023 a junio 2024. Su metodología consistió en selección de botones florales de cacao, preparar medios de cultivo (M1, M2 y M3) basados ​​en Murashige y Skoog, variando componentes como agua de coco, ácido giberélico, ácido ascórbico y ácido cítrico, luego se hizo la desinfección y establecimiento. Como resultados, los estaminodios presentaron menor contaminación (57 %) que los pétalos (97 %). El medio de cultivo M1 mostró menor tasa de contaminación (70 %), con agua de coco; en supervivencia, los estaminodios cultivados en el medio M1 mostraron la mayor tasa de supervivencia (41,67 %); mientras que, en formación de callos, los estaminodios en medios M1 y M3 presentaron mejores datos (40 % y 32 % respectivamente), mientras que el ácido giberélico en el medio M2 favorece la formación de callos en los pétalos (5 %). Como conclusión, los estaminodios son mejores explantes, ya que presentan menor contaminación y mayor tasa de supervivencia. El medio de cultivo M1, con agua de coco, fue el más adecuado para formación de callos en los estaminodios. La combinación explante y medio de cultivo influye significativamente en el éxito del cultivo in vitro. Estos hallazgos proporcionan una base para desarrollar protocolos de propagación in vitro más eficientes para el cacao nacional boliviano.
Efecto de cuatro tratamientos pregerminativos en semillas de asaí (Euterpe precatoria Martius) y majo (Oenocarpus bataua Martius)
Authors: Aparicio Porres Juan José , Choque Tarqui Carlos Eduardo
Published: February 2025

El problema que aborda el presente trabajo se refiere a la germinación natural de las semillas de majo (Oenocarpus bataua) y asaí (Euterpe precatoria), ya que es un proceso lento. El objetivo es evaluar la efectividad de distintos tratamientos pregerminativos (remojo en agua y tratamiento térmico) en semillas de majo y asaí para mejorar la germinación. Para ello, se recolectaron semillas de majo y asaí en el departamento de Pando, Bolivia. Se utilizaron cinco tratamientos: testigo, remojo en agua durante 24 y 48 horas, y tratamiento térmico a 59 °C durante 8 y 16 minutos. Las semillas se sembraron y se evaluaron el porcentaje de germinación. Los resultados obtenidos fueron para majo: el tratamiento combinado de remojo y tratamiento térmico a 59 °C durante 16 minutos resultó en el mayor porcentaje de germinación, mientras que para asaí, los tratamientos térmicos a 59 °C durante 8 y 16 minutos fueron los más efectivos, seguidos del remojo durante 24 horas. Los resultados indican que los tratamientos pregerminativos, especialmente los térmicos, pueden mejorar significativamente la germinación de semillas de majo y asaí. La combinación de remojo y tratamiento térmico resultó ser la más efectiva para el mayor, mientras que el tratamiento térmico fue el más eficaz para el asaí. Estos hallazgos proporcionan una base sólida para desarrollar protocolos de propagación de estas especies, contribuyendo a su conservación y aprovechamiento sostenible.
Late Pennsylvanian vegetation dynamics of the Donets Basin, Ukraine
Authors:   Institute of Geological Sciences, NAS of Ukraine (Kyiv, Ukraine), Boyarina Nataliya
Published: February 2025

The dynamics of the Late Pennsylvanian vegetation cover of the Donets Basin is represented by a succession of formations of new plant communities (phytocoenogenesis) of a wetland forest and woodland biome and a seasonally dry woodland biome because of the changing landscape and climate conditions resulting from the glacio-eustatic changes during the Late Paleozoic Ice Age. The Late Pennsylvanian vegetation consisted of plant communities of wetland marattialean fern-dominated forests on coastal lowlands and wetland lycopsid-fern forests on deltaic plains in the Kasimovian as well as wetland marattialean fern-dominated forests with new dominants on coastal lowlands and wetland lycopsid-pteridosperm-calamitalean-fern forests with new dominants on deltaic plains in the early Gzhelian that were formed according to the evolutionary progressive model of phytocoenogenesis under conditions of an expansion of coastal lowlands and deltaic plains in the long-term period of a relatively stable higher sea level with frequent sea level fluctuations during the late Kasimovian–early-mid-Gzhelian interglacial interval. The subsequent transformation of wetland forests to wetland woodlands on coastal lowlands and deltaic plains according to the substitutionary regressive model of phytocoenogenesis and the formation of the new seasonally dry peltaspermalen pteridosperm-dominated woodland communities in river valleys according to the evolutionary progressive model of phytocoenogenesis took place against the background of a reduction of coastal lowlands and an expansion of river landscapes in the long-term period of a relatively stable sea level drop during the early phase of the late Gzhelian glacial interval. The new plant communities of wetland calamitalean-fern-pteridosperm woodlands on coastal lowlands and seasonally dry fern-pteridosperm woodlands on lagoon coasts in the late Gzhelian were formed according to the migration progressive model of phytocoenogenesis due to a migration of plants from reduced river landscapes to coastal lowlands and lagoon coasts in the period of the further sea level drop with low-amplitude sea level oscillations and an increased drying during the continued late Gzhelian glacial interval.
Comparative Analysis of Sustainable Real Estate Development Strategies for Emerging Egyptian Cities: A Case Study of New Mansoura
Authors: Ahmed Sallam Mohamed , Reda Abdallah Mohamed , Mostafa Wael Sedik
Published: February 2025

This Paper Provides a Comparative Analysis of Sustainable Urban Development Strategies in New Mansoura, Masdar City, And Putrajaya, Focusing On Real Estate Market Dynamics, Economic Diversification, And Technological Integration. By Examining How Masdar City Leverages Green Technology and Renewable Energy to Create a Resilient Urban Environment, And How Putrajaya Combines Administrative Functionality with Green Infrastructure, This Study Identifies Best Practices for New Mansoura’s Development. The Integration of Sustainable Practices, Aligned with The United Nations Sustainable Development Goals (Sdg 7 And Sdg 11), Offers A Pathway to Reducing Carbon Footprints and Enhancing Urban Resilience. The Findings Emphasize the Importance of Tailored Regulatory Frameworks, Innovative Technologies, And A Balanced Approach to Economic and Environmental Sustainability. This Research Highlights Specific Strategies That New Mansoura Can Adopt to Address Its Unique Challenges and Contribute to Egypt's Long-Term Sustainable Urbanization.
Exploratory Study of Self-efficacy and well-being among Drug addict Adolescents in North East Bihar (INDIA)
Authors: Singh Rakesh Kumar , Tripathi Dr. Rohini , Pandey Dr. Kashi Nath , Mishra Girijesh
Published: February 2025

The developmental stage of adolescence is marked by sudden changes in one's physical, cognitive, social, and emotional characteristics. Adolescents suffer both beneficial outcomes, such as the adoption of healthy behaviours, and adverse ones, such as depression and substance abuse, contingent upon their interactions with family and community. This study aims to examine the disparities in well-being and self-efficacy indicators among different drug-using groups (marijuana and cough syrup). This study examined the relationship between the well-being and self-efficacy of drug-addicted adolescents.
The purpose of the study is to explore the psychological well-being and self-efficacy of adolescents who are drug addicts in North East Bihar, namely in the districts of Madhepura, Saharsa, and Supaul. The sample consisted of one hundred drug-addicted teenagers who used marijuana and cough syrup; fifty of them resided in urban regions and fifty of them lived in rural areas. PGI Well-Being Scale and Self-Efficacy Scale -A. K. Singh and Shruti Narain's questionnaire was used to achieve the objectives of this study. A comparative analysis were carried out on adolescent drug addicts in rural as well as urban areas, employing descriptive and correlational approaches to examine the gathered data concerning substances such as marijuana and cough syrup. The results of the correlational analysis revealed that there is significant positive correlation of self-efficacy with well-being. The findings reveal that adolescents addicted to marijuana and cough syrup exhibit significant differences in well-being, yet show no significant differences in self-efficacy related to residential areas. No statistically significant difference exists in well-being and self-efficacy between marijuana and cough syrup.
Livelihoods and the Changing Context and Terms of Ganyu Labour in Malawi
Authors: Saruchera Munyaradzi
Published: February 2025

Ganyu, a form of casualised labour in Malawi, is a prominent source of food and income for especially struggling rural households. The aim of the paper is to explore and analyse the ganyu phenomenon and its changing nature in Malawi to grasp the interaction of the complex issues shaping livelihoods and driving ganyu. A critical understanding of the dimensions of ganyu is essential to appreciate its different facets. The paper argues that ganyu is an informal safety net for households to diversify their livelihoods and cope with persistent vulnerability to floods and droughts. The paper is unique and significant in providing a convincing explanation of the evolution and the changing nature of ganyu, both in rural and urban areas. The paper recommends the Malawian government to formally acknowledge and accept the contribution and importance of ganyu as a social safety net. To this extent, the study makes a modest but meaningful contribution towards the literature on off-farm livelihoods strategies.
Pengaruh Literasi Keuangan Syariah dan Perilaku Konsumtif terhadap Minat Jasa Pinjaman Online
Authors: Sintawati Dewi , Nizar Muhammad , Fahmul Iltiham Muhammad , Farida Alimatuf
Published: February 2025

This study examines the effect of Islamic financial literacy and consumptive behavior on interest in online loan services at Yudharta University, Pasuruan. This research uses a quantitative approach with a descriptive research type. Data collection techniques through distributing questionnaires using the Google form. Data analysis using multiple linear regression. The results of the research in this study indicate that Islamic financial literacy and consumptive behavior affect interest in online loan services.
AI-Driven Features for Intrusion Detection and Prevention Using Random Forest
Authors:   Department of Computer Networking Systems, College of Computer Sciences and Information Technology, University of Anbar, Al Anbar, Ramadi, Iraq, Mohammed Mohammed ,   Department of Computer Networking Systems, College of Computer Sciences and Information Technology, University of Anbar, Al Anbar, Ramadi, Iraq, Alheeti Khattab M. Ali
Published: February 2025

In this research, we investigate sophisticated methods for Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS), leveraging AI-based feature optimization and diverse machine learning strategies to bolster network intrusion detection and prevention. The study primarily utilizes the NSL-KDD dataset, an enhanced version of the KDD Cup 1999 dataset, chosen for its realistic portrayal of various attack types and for addressing the shortcomings of the original dataset. The methodology includes AI-based feature optimization using Particle Swarm Optimization and Genetic Algorithm, focusing on maximizing information gain and entropy. This is integrated with the use of Random Forest (RF) to reduce class overlapping, further enhanced by boosting techniques. Grey Wolves Optimization (GWO) alongside Random Forest. This innovative approach, inspired by grey wolf hunting strategies, is employed for classification tasks on the NSL-KDD dataset. The performance metrics for each intrusion class are meticulously evaluated, revealing that the GWO-RF combination achieves an accuracy of 0.94, precision of 0.95, recall of 0.93, and an F1 score of 0.94.
Tecnologia em Redes de Computadores: Uso de GPOs na Segurança de Domínios Corporativos
Authors: Silva Luiz Hamilton Roberto da
Published: February 2025

O livro aborda os serviços de diretório (Directory Services) no contexto das redes de computadores, enfatizando o uso do Windows Server e as medidas de segurança aplicadas a ambientes corporativos.