bluuebunny/crossref_metadata_2025 huggingface dataset:
Investigation of Uneven Gas Emission Mechanisms with Hard Roofs and Control Strategies by Ground Fracturing
Authors: Gao Rui , Huang Xiao , Zhang Chenxi , Bai Dou , Yu Bin , Tai Yang
Published: February 2025

The permeability of a coal seam is a crucial factor in coal seam gas extraction. Poor permeability of coal seams can lead to difficulties in over-pumping as well as high gas emissions after mining. This issue is particularly prominent when mining extra-thick coal seams with hard roofs, and it is the major problem that restricts the safe and efficient mining of coal seams. In the context of extra-thick coal seam mining in the Datong mine area, field investigation into the gas emission patterns of the working face reveals that the volume of gas emissions correlates closely with variations in working face pressure, demonstrating a high degree of consistency. The mechanism of irregular gas emission was analyzed, and the influence law of roof breakage on gas emission was obtained. It was found that roof breakage will aggravate gas emission. As a result, an integrated control technology involving “ground fracturing + gas extraction” was innovatively proposed. Based on the characteristics of ground fracture network, the mechanism of pressure relief and permeability enhancement of fractured wells and the characteristics of full time and space extraction were analyzed. Using the 8101 and 8204 working faces of the Tashan Coal Mine as a case study, the results demonstrated that vertical well fracturing of the 8101 working face enabled gas extraction 150 m ahead, with an accelerated increase in gas concentration within a 40 m range. Similarly, the horizontal well of the 8204 working face served as a drainage well after fracturing. Gas concentration at the mining position 50 m away from the horizontal well increased rapidly, and the gas extraction rate stabilized at approximately 30 m3/min. The approach effectively mitigated the problem of uneven gas emission caused by gas accumulation and roof fractures in the working face. Ground fracturing not only reduced the area and intensity of stress concentration in the advanced coal body but also enhanced gas emission. Furthermore, the fracturing well served as a gas drainage well, improving the control and achieving positive application results.
Time-Irreversible Quantum-Classical Dynamics of Molecular Models in the Brain
Authors: Sergi Alessandro , Messina Antonino , Saija Rosalba , Martino Gabriella , Caccamo Maria Teresa , Kuo Min-Fang , Nitsche Michael A.
Published: February 2025

This manuscript aims to illustrate a quantum-classical dissipative theory (suited to be converted to effective algorithms for numerical simulations) within the long-term project of studying molecular processes in the brain. Other approaches, briefly sketched in the text, have advocated the need to deal with both quantum and classical dynamic variables when studying the brain. At variance with these other frameworks, the manuscript’s formalism allows us to explicitly treat the classical dynamical variables. The theory must be dissipative not because of formal requirements but because brain processes appear to be dissipative at the molecular, physiological, and high functional levels. We discuss theoretically that using Brownian dynamics or the Nosè-Hoover-Chain thermostat to perform computer simulations provides an effective way to introduce an arrow of time for open quantum systems in a classical environment. In the future, We plan to study classical models of neurons and astrocytes, as well as their networks, coupled to quantum dynamical variables describing, e.g., nuclear and electron spins, HOMO and LUMO orbitals of phenyl and indole rings, ion channels, and tunneling protons.
Implications of Second-Order Cybernetics and Autopoiesis on Systems-of-Systems Engineering
Authors: Axelsson Jakob
Published: February 2025

Systems-of-systems are often characterized as systems where the constituent parts have some independence from the whole. Recent research has aimed at clarifying in more detail what this independence means. It has shown that independence requires the constituent systems to be agents that observe the system-of-systems from within and construct internal models of it as a basis for decisions. This view on observers as parts of the system-of-systems parallels development in the field of second-order cybernetics several decades ago, yet the connection between that field and systems-of-systems has not been explored previously. This paper, therefore, summarizes key concepts from second-order cybernetics, including the subtopic autopoiesis. It then discusses what the implications are on systems-of-systems engineering through the identification of 17 concerns. These concerns relate to the physical topology, behavior, and control of the system-of-systems. This paper shows how these concerns directly relate to the theoretical concepts of second-order cybernetics and autopoiesis, and thereby, opens the door to further exploitation of this theoretical foundation.
Digital Twin Integration for Workforce Training: Transforming SMEs in the Ornamental Stone Industry
Authors: Cremonini Carlos E. , Capela Carlos , da Silva Agostinho , Gaspar Marcelo C. , Vasco Joel C.
Published: February 2025

Digital twin technology offers immersive and cost-effective solutions for workforce training, yet its practical implementation within SME training frameworks remains limited. This study develops and evaluates the Digital Twin Framework for Workforce Training (DT4WFT), addressing key challenges such as resource constraints and precision through tools like Siemens NX Mechatronic Concept Design (MCD) and StoneCUT@Line®. Employing a mixed-methods approach, qualitative insights from managers, and quantitative analysis demonstrated the framework’s potential to enhance operator performance, improve efficiency, and reduce lead times. However, the validation was based solely on managerial perceptions, as the framework has not yet been implemented in real-world settings. Statistical analysis confirmed strong correlations between the framework’s perceived implementation and improved training outcomes, highlighting its scalability and adaptability. Future research should focus on practical implementation, cross-industry applications, and longitudinal studies to evaluate sustained impacts, ensuring the DT4WFT framework’s broader relevance and effectiveness in workforce development.
Navigating Epstein–Barr Virus (EBV) and Post-Transplant Lymphoproliferative Disorder (PTLD) in Pediatric Liver Transplantation: Current Knowledge and Strategies for Treatment and Surveillance
Authors: Chen Erin Y. , Dilwali Natasha , Mysore Krupa R. , Hassan Sara , Smith Sara Kathryn , Karnsakul Wikrom
Published: February 2025

Epstein–Barr virus (EBV) is strongly associated with the development of post-transplant lymphoproliferative disorder (PTLD) in pediatric liver transplant recipients. PTLD is one of the most common malignancies following liver transplantation and is associated with significant morbidity and mortality. Factors such as EBV–serostatus mismatch and prolonged or high levels of immunosuppression impact a patient’s risk of developing PTLD. While pre-transplant EBV serological screening and post-transplant monitoring of EBV-DNA levels are strongly recommended, universal guidelines for its prevention and management are lacking. Due to a lack of robust prospective studies, current clinical practices vary widely. The treatment of PTLD typically involves reducing immunosuppression and using targeted therapies such as rituximab, or chemotherapy for refractory cases. This review aims to address our current understanding of EBV’s relationship with PTLD, evaluate the available treatment modalities, and highlight evolving strategies for using EBV as a biomarker for PTLD screening and prevention.
Plasma microRNAs to Select Optimal Patients for Antibody Production from Anti-Addiction Vaccines
Authors: Kosten Thomas R. , Koirala Amrit , Nielsen David A. , Domingo Coreen B. , Thomas Ynhi T. , Gunaratne Preethi H. , Coarfa Cristian
Published: February 2025

Background: Cocaine and illicit amphetamines (disguised as “Adderall”) are being laced with fentanyl and producing accidental and intentional fatal overdoses. Vaccines can prevent these overdoses, but 33% of humans generate insufficient anti-drug antibody (AB) levels. Plasma microRNAs (miRs) can be used to predict non-responders. We have plasma stored from 152 cocaine vaccine trial participants following three vaccinations over 9 weeks and examined miRs as potential response biomarkers. Methods: We compared 2517 miRs before anti-cocaine vaccination in participants with the highest (n = 25) to the lowest (n = 23) antibody levels. False Discovery Rates (FDRs) were applied to identify differentially expressed (DE) miRs. We used miR target prediction pipelines to identify the miR-regulated genes. Results: Using a DE-FDR < 0.05 and a >3-fold difference between high- and low-AB responders yielded 12 miRs down and 3 miRs up compared to low-AB patients. Furthermore, 11 among 1673 genes were targeted by 3 or more of the 12 down DE-miRs. Conclusions: A significant DE-miR for identifying optimal antibody responders replicated previous vaccine study predictors (miR-150), and several more miRs appear to be strong candidates for future consideration in replications based upon significance of individual DE-miRs and upon multiple miRs converging on individual genes.
HDAC3: A Multifaceted Modulator in Immunotherapy Sensitization
Authors: Han Rui , Luo Yujun , Gao Jingdong , Zhou Huiling , Wang Yuqian , Chen Jiaojiao , Zheng Guoyin , Ling Changquan
Published: February 2025

Histone deacetylase 3 (HDAC3) has emerged as a critical epigenetic regulator in tumor progression and immune modulation, positioning it as a promising target for enhancing cancer immunotherapy. This work comprehensively explores HDAC3’s multifaceted roles, focusing on its regulation of key immune-modulatory pathways such as cGAS-STING, ferroptosis, and the Nrf2/HO-1 axis. These pathways are central to tumor immune evasion, antigen presentation, and immune cell activation. Additionally, the distinct effects of HDAC3 on various immune cell types—including its role in enhancing T cell activation, restoring NK cell cytotoxicity, promoting dendritic cell maturation, and modulating macrophage polarization—are thoroughly examined. These findings underscore HDAC3’s capacity to reshape the tumor immune microenvironment, converting immunologically “cold tumors” into “hot tumors” and thereby increasing their responsiveness to immunotherapy. The therapeutic potential of HDAC3 inhibitors is highlighted, both as standalone agents and in combination with immune checkpoint inhibitors, to overcome resistance and improve treatment efficacy. Innovative strategies, such as the development of selective HDAC3 inhibitors, advanced nano-delivery systems, and integration with photodynamic or photothermal therapies, are proposed to enhance treatment precision and minimize toxicity. By addressing challenges such as toxicity, patient heterogeneity, and resistance mechanisms, this study provides a forward-looking perspective on the clinical application of HDAC3 inhibitors. It highlights its significant potential in personalized cancer immunotherapy, paving the way for more effective treatments and improved outcomes for cancer patients.
Optimizing Rice Field Yield with Deficit Irrigation to Support Fish Populations in River Ecosystems
Authors: Sedighkia Mahdi , Datta Bithin
Published: February 2025

This study presents a simulation–optimization framework that integrates deficit irrigation strategies with ecological considerations to mitigate the impact of water abstraction on potential fish populations in river ecosystems. The framework addresses two primary objectives: minimizing fish population loss, an ecological index reflecting environmental impacts, and minimizing the yield reduction of rice crops caused by deficit irrigation. Regression models and adaptive neuro-fuzzy inference systems were employed to simulate the physical and water quality parameters of the river. Additionally, a multivariate linear regression model was developed to estimate potential fish populations using combined physical and water quality indices as inputs. Multi-objective particle swarm optimization was applied to achieve the defined objectives. Results from the case study demonstrate the model’s ability to balance ecological requirements with rice production through deficit irrigation. The ecological degradation of river ecosystems was found to be comparable during dry and normal years, while rice yield decreased by approximately 10% in dry years. Comparisons with unsustainable practices, where ecological flow was disregarded, revealed that significant reductions in rice production are inevitable to sustain river ecosystems. The proposed method provides a practical approach for achieving a fair balance between agricultural benefits and environmental sustainability in river basins, making it a valuable tool for water resource management.
Fontes e documentos sobre a Antiguidade
Authors: Rossi Andrea Lúcia Dorini de Oliveira Carvalho
Published: February 2025

O artigo "Fontes e Documentos sobre a Antiguidade: Dos Monumenta ao Mundo Digital" analisa a evolução historiográfica dos conceitos de monumento, documento e fonte no estudo da Antiguidade. A obra destaca como essas noções foram reformuladas a partir das mudanças teóricas, especialmente com a Escola dos Annales, que ampliou o conceito de documento para além dos textos escritos. Além disso, enfatiza a interdisciplinaridade da pesquisa histórica, incluindo contribuições da arqueologia, antropologia e semiótica. Por fim, discute o impacto das Humanidades Digitais na acessibilidade das fontes históricas por meio de bancos de dados e ferramentas digitais.
Urales contra os filósofos
Authors: Durán Tomás Aguilera
Published: February 2025

Joan Montseny Carret (Federico Urales) (1864-1942) é uma das figuras mais relevantes do anarquismo na Espanha. Destacou-se pelo seu trabalho editorial, especialmente a fundação da La Revista Blanca, principal meio de divulgação do anarquismo intelectualista. Nele publicou La evolución de la filosofía en España (1900-1902), um ensaio sobre os fundamentos filosóficos de sua ideologia política. Este artigo analisa a parte dedicada à filosofia grega, enfatizando a sua visão hipercrítica em contraste com as referências contemporâneas do anarquismo internacional. A partir de uma abordagem radicalmente cética, materialista e eudemonista, rejeitou toda especulação metafísica como mecanismo de legitimação elitista. No entanto, ele também estava insatisfeito com os materialistas (com a relativa exceção de Aristóteles) pela sua inadequada aplicabilidade social, incluindo aquelas correntes geralmente consideradas precursoras do pensamento anarquista, como o Estoicismo e o Epicurismo.
Religião, nação e História Antiga
Authors: Rodríguez Héctor A. Vega
Published: February 2025

O objetivo deste artigo é analisar a produção de textos de Agustín Rivera sobre a antiguidade clássica na segunda metade do século XIX. A partir do estudo de sua vida, do contexto em que escreveu e da análise do conteúdo de suas obras sobre a história da Grécia e de Roma voltadas ao ensino, observamos que Rivera se preocupou em fornecer uma visão providencial interessada em identificar a veracidade dos fatos, bem como o papel dos heróis e a reflexão sobre a filosofia da história. Agustín Rivera propôs uma leitura política, religiosa e moral da história antiga. Nela, identificou o cenário para oferecer exemplos de vícios e virtudes com o objetivo de educar jovens aos quais a história seria útil para identificar a origem dos males políticos e morais e oferecer uma solução.
SIMULATION MODEL OF A SYNCHRONOUS MACHINE WITH A FLYWHEEL ENERGY STORAGE IN THE SIMINTECH ENVIRONMENT
Authors: Blinnikov Mikhail , Panteleev Vasiliy
Published: February 2025

A daily consumption irregularity of residential and public buildings determines the topicality of leveling the daily schedule of these consumers. An energy storage device is required for this task. A simulation model of a synchronous machine has been developed and a simplified algorithm for controlling its active power has been presented in the SimInTech simulation environment. The simulation model of a synchronous machine considered in this research is part of a simulation model of a reversible energy converter with a flywheel energy storage device. One of the tasks of this electrical engineering complex is the leveling of daily load schedule of transformer substations of residential and public buildings. The mathematical model is based on the Park-Gorev system of equations. The synchronous generator MC375-1000 was selected as a synchronous machine. The missing parameters and resistances are determined by calculation. The simulation considers the variable-frequency start of a synchronous machine, the charge of a flywheel storage and the discharge of a flywheel storage. The simulation is performed in relative units in dq-coordinates. To control the charge and discharge mode of the flywheel storage, a PI controller with feedback on the error in setting the current iq of the synchronous machine was selected. The flywheel energy storage is taken into account by the moment of inertia on the shaft of the synchronous machine.
PARAMETERS COMPARISON OF SOLAR SORPTION REFRIGERATION SYSTEMS
Authors: Bo-Dakkah Baydaa , Sultanguzin Ildar , Lukyanov Vasily , Kurzanov Sergey , Yavorovsky Yuriy , Chaikin Vladislav , Bartenev Alexey , Skorobatiuk Alexey
Published: February 2025

The study showed that absorption chillers and adsorption chillers are effective solutions for providing cooling in both buildings and industrial processes using solar energy. Single-stage absorption systems show a high energy conversion coefficient in the range from 0.50 to 0.73, while adsorption systems have a coefficient from 0.51 to 0.59. The operating temperature of absorption systems ranges from 60 to 165 C degrees Celsius, and adsorption systems — from 50 to 90 C degrees Celsius. Also, the cost of solar cooling systems ranges from 165 to 220 thousand rubles for 1 KW of cooling energy for absorption system, while, the cost of adsorption systems ranges from 220 to 250 thousand rubles1 KW of cooling energy.
SIMPLIFICATION OF BOILER ENGINEERING CALCULATIONS USING ARTIFICIAL INTELLIGENCE
Authors: Egorov Mikle , Smirnov Nikolay
Published: February 2025

The article presents a method for calculating the optimal operating mode of boilers and presents the results of an analytical solution for optimization steam boilers. Software solution to the problem of optimizing steam boilers and the algorithm for the program operation are presented. Based on the results of the software solution, graphical dependencies of the studied quantities are presented in the article. A comparison of the obtained analytical and software solutions, namely graphical dependencies, calculation tables and the calculation result, is carried out, in order to verify the correctness of the software solution. The features of using artificial intelligence, as well as its training for solving engineering prob-lems, and need of energy-saving measures in heat and power equipment when several boilers are operating together were described. The need for the introduction of artificial intelligence in energy in general and heat engineering in particular is substantiated.
El LA PERCEPCIÓN DE LA EDUCACIÓN INFANTIL EN EL ÁREA RURA
Authors: Pérez Hernández Wendy Daniela , Castillo Sara Lucia , Rico Yeraldine , Pérez Méndez Ingryt Meliza
Published: February 2025

El presente trabajo analiza la necesidad en la educación rural de Colombia, teniendo en cuenta sus faltas de oportunidades a nivel económicos, sociales, culturales y educativos, en este artículo se pueden evidenciar los diferentes aportes sobre sus procesos antes ya mencionados, al cual se les da una solución mediante, estrategias y proyectos que se llevan a cabo en el sector rural para la transformación en la educación de los estudiantes de esta población rural. Y así poder obtener un aumento en la enseñanza para las niñas y niños más vulnerable del lugar para mejorar su calidad de vida y cumplir el objetivo de formar estudiantes integrales que se puedan desenvolver en el contexto de su vida diaria.
INCIDENCIA DE LOS CRITERIOS Y ESTANDARES ESPECIFICOS DE LOS PERFILES DE EGRESO Y SUS RESULTADOS EN LOS PROCESOS DE ACREDITACIÓN DE PROGRAMAS DE PREGRADO EN CHILE
Authors: Quinteros Christian
Published: February 2025

El presente trabajo, se enmarca dentro del análisis de los retos que debe abordar la educación superior en Latinoamérica, y sobre cómo ésta se hace cargo de las nuevas tendencias en políticas educativas en el mundo y en la región. Nuevos conceptos de calidad educativa aparecen y nuevas formas de asegurarla también. Esta investigación de tipo cualitativa y de revisión documental, intentó dilucidar la importancia que tuvo para los resguardos de los niveles de calidad formativa de distintos programas universitarios en Chile, contar con comités colegiados de profesionales que habían definido previamente lineamientos y criterios específicos de acreditación para sus perfiles de egreso al momento de ser auditados por organismos externos de control de calidad. Estos resultados, se compararon con los obtenidos en casos que no disponían de dichos marcos regulatorios. Para tal propósito, se desarrolló un estudio de multicaso donde se compararon los resultados de acreditación de cuatro carreras en alrededor de 50 universidades chilenas: dos de estos programas, contaban con criterios específicos de acreditación: Derecho y Psicología y dos de ellos solo contaban con criterios generales, como fue el caso de Periodismo y Trabajo Social. Los resultados indicaron que aquellos programas de pre grado que tienen criterios específicos para asegurar su calidad formativa presentaron un mejor rendimiento de años de acreditación y un mayor número de programas con acreditación cercana a la excelencia.
Studies on the Conversion of a River Cargo Barge into a Floating Fish Farm
Authors: UNGUREANU Costel , PRESURĂ Adrian , BOSOANCĂ Radu , MÂNDRU Andreea , PERIJOC Silviu , MIHAI Victor , COTOC George
Published: February 2025

This paper presents results of the research and developing of a modular floating aquaculture platform based on inland river cargo barge design to be exploited under biosecurity and sustainability conditions in the Lower Danube region, aligned with the current sustainable development strategies of the blue economy outlined by the European Union. The new design combines the capabilities of growing fish in modular tanks with the growing vegetables in recirculating systems in the greenhouse superstructure of the floating platform. The first step of this interdisciplinary and multidisciplinary research is a full naval architecture study, meaning both aerodynamically and strength calculation, as a starting point for the design and evaluation of the growing fish and cultivating vegetables systems.
Experimental Research on Modification of Mechanical Properties Values for Heat Treated Welded Joints
Authors: NEACȘU Marian-Iulian
Published: February 2025

This paper presents the results of studies and research on the values of the mechanical properties of welded joints on OLC 20 and OLC 25 steel samples, in the case that no heat treatment is performed on them and in several cases when thesamples are heat treated after welding. After welding and heat treatments for normalization, hardening and tempering was carried out on the samples.After performing the heat treatments, the researched samples were subjected to tests to determine: Vickers hardness, mechanical resistance Rm and breaking energy KV.Analysing the obtained results, it can be concluded that following the thermal normalization treatment, the optimal complex of the values of the studied mechanical properties was obtained.
A Heart Rate Monitoring and Notification System Using Arduino Platform
Authors: MOCANU Alina-Maria , MARIN Mihaela , MARIN Florin-Bogdan
Published: February 2025

Heart rate measurements are widely used for various purposes that require an accurate and reliable method to measure it. The most common method used is by ECG, which is widely available and non-invasive. Another non-invasive, photoplethysmography (PPG) technology can also be used to measure blood pressure and oxygen saturation.
Advanced Modeling and 3D Printing Techniques for Game and CGI Characters
Authors: LAZĂR Ștefan-Andrei , BRĂILEANU Patricia Isabela
Published: February 2025

This article explores the methods of designing 3D elements used in video games and CGI, highlighting the impact of these techniques on the perception and experience of digital art. 3D models are fundamental to create immersive virtual worlds, and the 3D modeling process extends from conception to execution, combining engineering principles with industrial design. Advanced threedimensional modeling software such as Blender or Adobe Substance 3D Painter are built to create realistic models, while additive manufacturing with SLA technology allows rapid prototype development of game characters. The article also discusses the interoperability between certain three–dimensional modeling platforms on the current market and the impact of new technologies such as the so-called digital twins or the metaverse, on the future of three-dimensional graphics and threedimensional modeling of game characters. Through these technological advances, 3D modeling is redefining the boundaries of design, offering limitless opportunities for innovation in the gaming industry.
MUDANÇAS NO ESPAÇO PÚBLICO EM CONTEXTO DE FRAGMENTAÇÃO SOCIOESPACIAL:
Authors: Andrade Gabriela Delisangela , Góes Eda Maria
Published: February 2025

As mudanças nos espaços públicos das cidades brasileiras podem ser mais bem compreendidas quando se considera o processo de fragmentação socioespacial, que está em curso. Nesse trabalho, se busca identificar e compreender tais mudanças, a partir do estudo do caso do Parque dos Ipês, em Dourados - MS. Para isso, i) discutimos a noção de espaço público, suas mudanças e contradições, considerando o processo de fragmentação, ii) estudamos o caso selecionado e as práticas espaciais lá presentes e iii) identificamos tendências de apropriação privada e o significativo poder de atração desse parque. Concluiu-se que, a despeito da ampliação da preferência pelos espaços privados, a possibilidade de visualizar “os outros” e a sociabilidade, características dos espaços públicos, têm potencial para se contrapor ao processo de fragmentação socioespacial.
A produção capitalista da cidade e a reprodução da miséria - o caso da Comunidade dos Gaviões, Sobral/CE
Authors: Costa Paula Mirelle Chaves , Lopes Francisco Clébio Rodrigues
Published: February 2025

O presente artigo discute a produção do espaço urbano e seu reflexo no nível do cotidiano a partir de uma investigação sobre as condições de moradia na Comunidade dos Gaviões, localizada no Bairro Dom Expedito, Sobral-CE. Para tanto, foi necessário pesquisa bibliográfica; visitas a campo, onde foram realizadas observações e entrevistas semi-diretivas com moradores; por fim, foram coletados dados na Secretaria de Finanças do município. As análises evidenciaram as contradições da cidade capitalista, que ao passo que engendra a modernização de espaços para privilegiar as necessidades do capital, deixa à mercê parcelas da população. Ademais, demonstra como as intervenções urbanísticas, movidas pelo poder público municipal, no Dom Expedito, têm modificado as relações de uso dos moradores com o lugar.  Destarte, conclui-se que as metamorfoses não possibilitaram melhorias socioespaciais para população da Comunidade dos Gaviões, mas acentuado as problemáticas da reprodução ao nível da moradia.
Uma região que obedece?
Authors: Oliveira Helbert Michel Pampolha de
Published: February 2025

A compreensão de dinâmicas hegemônicas e contra-hegemônicas atinentes ao fenômeno regional no espaço constitui tarefa central deste artigo. À luz da teoria miltoniana, toma-se a Amazônia como exemplo de reflexão e, com base em levantamentos bibliográfico e documental, considera-se tanto as desarticulações decorrentes dos “grandes objetos” quanto as articulações produzidas pelo que estamos denominando como “objetos de grandeza cidadã”. Assim, para além do economicismo abstrato que tem caracterizado e definido formas e conteúdos na atualidade, salienta-se a pertinência de se pensar a região a partir da pluralidade de existências e de divisões do trabalho inerentes ao espaço amazônico, com a possibilidade, inclusive, de sugerir a existência de uma “região do desobedecer” a partir da potencialização dos saberes e das lutas políticas dos povos da floresta; subsídios esses de grande importância para se contestar a lógica desenvolvimentista perversa e mesmo se pensar em outro planejamento regional para a Amazônia contemporânea.
Description of Yellowfin Tuna Processing
Authors: Akerina Febrina Olivia , Kour Femsy , Radja Christiani Melitia , Pesondolang Loisa Vebiola
Published: February 2025

Morotai Island Regency has very abundant potential, namely tuna. The abundance of tuna fishermen's catches has become an opportunity to develop tuna loin processing, one of which is at PT. Harta Samudra Morotai. This research aims to describe the processing process carried out at PT. Harta Samudra. PT. Harta Samudra has 90 employees, 84 of whom are residents. Of the total employees, 11 are permanent employees and the other 79 are daily employees. The tuna loin processing process refers to SNI 01-4104.3-2006: receiving, beheading, butchering, trimming, gas room, chiller, retouching, packing, stuffing, and laboratory analysis.
Keywords: Yellowfin Tuna; Frozen Loin Tuna; PT. Harta Samudra
Abstrak
Kabupaten Pulau Morotai, memiliki potensi yang sangat melimpah, yakni tuna. Melimpahnya hasil tangkapan nelayan tuna, menjadi peluang dikembangkannya pengolahan Tuna loin salah satunya di PT. Harta Samudra Morotai. Penelitian ini bertujuan untuk mendeskripsikan proses pengolahan yang dilakukan di PT. Harta Samudra. PT. Harta samudra memiliki 90 karyawan, 84 diantaranya merupakan penduduk lokal. Dari total keseluruhan karyawan 11 diantaranya merupakan karyawan tetap dan 79 lainnya merupakan karyawan harian. Proses pengolahan tuna loin mengacu pada SNI 01-4104.3-2006 yakni receiving, deheading, butchering, trimming, gas room, chiller, retouching, packing, stuffing dan analisis laboratorium.
Kata Kunci : Tuna Ekor Kuning; Tuna Loin Beku; PT. Harta Samudra
Effectiveness of ICTs in Extension Service Delivery among Smallholder Farmers in Kwali Area Council, Abuja, Nigeria
Authors: Joel Ayoola Faith , Bamidele Joseph , Oyediji Beatrice Itoya , Olaitan Mudashir Adeola , Eleke Ugochinyere Princess , Joel Oluwamayowa Joseph , Tata Abubakar Tukur , Sennuga Samson Olayemi
Published: February 2025

This study examined the effectiveness of Information and Communication Technologies (ICTs) in extension service delivery among smallholder farmers in Kwali Area Council, Abuja. A multistage sampling technique was employed to select 120 smallholder farmers on which structured questionnaire was administered complemented with interview schedule. Primary data collected were analyzed using descriptive statistics such as frequency counts, percentages and mean. Findings from the study revealed that majority farmers are male (91.7%), 63.3% aged between 36-45 years, married (66.7%), 60% have secondary education. Household sizes typically range from 4 to 6 members (45%), with farming experience mainly between 6 to 10 years (80.8%). Despite the importance of ICT in agriculture, only 10% of farmers currently use these technologies, primarily mobile phones (75%), with infrequent use overall. ICT-based extension services have notable impacts, including expanded information accessibility (75%), timeliness and relevance of information (90%), knowledge exchange (83.7%), skills development (72.5%), advancements in agricultural methods (85%), market access and financial integration (55%), risk management support (67.5%), and collaboration opportunities (73.3%). However, 80% of respondents find ICT tools not accessible or moderately accessible, and 90% have difficulty accessing ICT for farming information and support. Key constraints include limited ICT infrastructure (97.5%), high costs of devices and services (99.2%), low digital literacy (75%), language barriers (66.7%), geographical isolation (70%), limited content relevance (45%), inadequate technological support (95.8%), privacy concerns (47.5%), cultural barriers (90%), and poor connectivity (93.3%). Therefore, the study recommends; enhancement of ICT infrastructure, subsidizing ICT devices and services, improving digital Literacy, developing relevant and accessible ICT content and establishing technological support systems in the study region.
La génesis de la limitación del poder político: una aproximación desde el constitucionalismo anglosajón
Authors: Ramírez Quispe Victor Raúl
Published: February 2025

El presente trabajo tiene como objetivo delimitar la génesis de la configuración de la limitación del poder político desde una perspectiva del constitucionalismo anglosajón; por eso, se realizó un recorrido teórico por la historia inglesa, con una metodología de análisis documental e investigación teórica, teniendo como resultado que el punto de partida de la limitación del poder político yace en la Charter of Liberties Henry I (1100), desembocando su materialización plena en la Magna Charta (1215), aunado a ello, la convergencia de factores históricos y documentos constitucionales condujo a dicha configuración.
Una política pública sobre cultura de paz, pluralismo y libertad positiva basada en Johan Galtung e Isaiah Berlin
Authors: Morales Carrero Jesús Alfredo
Published: February 2025

Promover el proceder virtuoso y la búsqueda permanente de la armonía social constituye el ideal indispensable para potenciar la existencia humana global en todos los tiempos. Esta investigación, como resultado de una revisión documental con enfoque cualitativo, se propuso integrar los aportes de los autores Johan Galtung e Isaiah Berlin en torno a una política pública en materia de cultura de paz, pluralismo y libertad positiva. Los resultados indican que la vida en comunidad implica desde el punto de vista institucional el fortalecimiento del compromiso humano recíproco que convierta a la sociedad en un espacio en el que superponga tanto la armonización de las voluntades como la cohesión de sentimientos en torno a la responsabilidad moral que procura el resguardo de la integridad del otro. La vida en sociedad dentro del esquema de funcionalidad requiere la disposición humana para conciliar como una salida alternativa en razón de la cual impulsar acuerdos fraternos, de unidad en la diversidad y de comprensión profunda sobre las pertenencias. Se concluye que la convivencia social pacífica requiere la praxis de principios axiológicos que reiteren el alcance tanto del consenso como del acuerdo entre posiciones disonantes que han distanciado a la humanidad.
Empresarios y política en México: Estrategias de poder e interlocución en el contexto electoral del 2024
Authors: Sosa Hernández Guadalupe Georgina
Published: February 2025

Dentro de una democracia los contrapesos juegan un papel fundamental en el ejercicio del poder y la toma de decisiones que se ejercen desde el Estado. En ese sentido el sector empresarial mexicano a lo largo de su historia ha buscado canales de comunicación permanente con los gobiernos en turno. Estos vínculos recurrentes se han ido modificando y han tenido que adaptarse a los cambios que ha experimentado el país, sobre todo a partir de la democratización que culminó en la alternancia en el poder en 2000. Es bien sabido que los empresarios buscan generar y mantener influencia en el poder político para cuidar sus negocios y maximizar sus ganancias, de ahí que despliegan diversas estrategias para intentar influir en el futuro político del país. El objetivo del presente artículo es identificar las estrategias desplegadas por el sector empresarial para tratar de incidir en las decisiones del próximo gobierno, elegido en junio de 2024. Dichas estrategias, de interlocución y movilización, tienen diferencias, pero responden a una lógica similar: transmitir sus preferencias de políticas y obtener garantías de que los cambios que se proponen para el futuro preservarán el statu quo y les posibilitarán obtener beneficios. A partir de una reconstrucción de cuatro etapas de la campaña presidencial de 2024, se mostrará cuál fue la postura del sector empresarial ante lo que representaba cada candidata y candidato, y las preocupaciones en torno a la evolución de las dimensiones fundamentales del régimen democrático.
Igualdad constitucional vs. desigualdad laboral por razones de género como causa de la precarización de las mujeres en México
Authors: Legorreta Rebollo Berenice
Published: February 2025

El presente artículo tiene como objetivo la reflexión en torno a la discrepancia entre la igualdad plasmada en la constitución política y la desigualdad laboral por razón de género, específicamente como causa de la precarización de las mujeres en México. El abordaje metodológico de la investigación fue de tipo cualitativo y se llevó a cabo a través de la revisión de literatura complementando con el enfoque crítico en el sentido de dimensionar los avances en materia legislativa en el ámbito nacional e internacional, en contraste con las realidades precarizadas por la condición de género que coloca en desventaja a las mujeres al momento de acceder a oportunidades laborales. Como conclusión del estudio se plantea la pertinencia de la ratificación del convenio 156 de la OIT por parte de la representante del estado mexicano, así como la implementación de políticas públicas que logren conciliar el trabajo profesional y el trabajo doméstico integrando a toda la familia, como célula básica del tejido social.
OSTEONECROSIS OF FEMORAL HEAD SCOPING REVIEW
Authors: Andre Sebastian Valenzuela Torres  , Andrea Carolina Espinoza Fernández  , Priscila Lorena Morales Castillo  , María Pauleth Valarezo Muñoz  , Fernando Sebastián Pérez Páez  , Marcos Antonio Sánchez Macías  , Ariana Liceth Mero Zambrano  , José Andrés Trelles Guarnizo  , John Carlos Chona Serrano  , Bryam Esteban Coello García
Published: February 2025

Introduction: Osteonecrosis of the femoral head is a progressive and debilitating pathology with several causative factors. Around 1830, Jean Cruveilhier, a French anatomist and pathologist, described femoral head necrosis as a late complication of hip trauma. He suggested that the cause of necrosis was vascular injury. This condition was known as avascular necrosis, ischemic necrosis or aseptic necrosis of the femoral head.
Objective: to detail important information related to the epidemiology, pathogenesis, diagnosis, classification and treatment of osteonecrosis of the femoral head.
Methodology: a total of 32 articles were analyzed in this review, including review and original articles, as well as clinical cases, of which 22 bibliographies were used because the other articles were not relevant to this study. The sources of information were PubMed, Google Scholar and Cochrane; the terms used to search for information in Spanish, Portuguese and English were: osteonecrosis femoral head, avascular necrosis, ischemic necrosis, hip trauma.
Results: Osteonecrosis of the femoral head (ONFH) mainly affects young adults between 20 and 40 years of age, with an estimated incidence of 20,000 to 30,000 cases per year in the United States. Its pathogenesis is related to altered blood flow to the bone, which generates an imbalance between bone formation and resorption, resulting in a structurally weak area. Early diagnosis can be complicated, as the disease is often asymptomatic in its early stages, with MRI being the most effective tool for early identification. Treatment varies according to the stage of the disease and ranges from pharmacological options to surgical interventions such as central decompression, bone grafting and arthroplasty, the latter being the only definitive cure. However, hip arthroplasty is not a permanent solution, and young patients may need revision later in life, highlighting the importance of close follow-up.
Conclusions: Osteonecrosis of the femoral head affects mainly young adults and is caused by compromised blood flow to the bone, resulting in an imbalance between bone formation and resorption. Although early diagnosis can be complicated, MRI is key to detecting early signs. Although pharmacological treatments have been tried, their efficacy has not been consistently demonstrated, and surgical options, such as hip arthroplasty, are the only definitive cure, although not permanent, which implies the need for close follow-up, especially in young patients who may require future surgeries.
KEY WORDS: Osteonecrosis, Femur, Necrosis, Avascular.
Image Processing and Machine Learning for the Detection of Defects in PCB Images
Authors: Melnyk Roman , Viazovskyy Pavlo
Published: February 2025

The presented work considers three approaches to detecting defects in printed circuit boards. Each combines two components: algorithmic and software for image processing and machine learning based on image features identified in the first step. The approaches are as follows: division of boards into correct and defective boards without indicating the types of defects, determination of connection defects and redundant or missing components, and determination of defectiveness of tracks and contacts by analyzing individual components of the board. Color manipulation algorithms and additional image processing tools have been developed. Neural networks of artificial intelligence, which are available on the Internet, were used in the work.
Genel Sebzecilik
Authors: Ergun Muharrem , Karaipçin M. Zeki , Karaca Aygül , Nas Yahya , Özden Eren , Yaralı Karakan Faika , Ulaş Firdes , Söylemez Selçuk , Demirkıran Ali Rıza
Published: February 2025

Sebzelerin Tanımlanması ve Sebze Tarımının Tarihçesi
Muharrem ERGUN
Kültür Sebzelerin Gen Merkezi ve Sınıflandırılması
Zeki KARİPÇİN
Sebzelerin Beslenme ve İnsan Sağlığı Bakımından Önemi
Nusret ÖZBAY
Aygül KARACA
Sebzeciliğin Ülke Ekonomisindeki Yeri,Üretim Bölgeleri ve Değerlendirme Şekilleri
Nusret ÖZBAY
Sebze İşletmelerinin Kurulacağı YerinSeçiminde Etkili Faktörler
Yahya NAS
Sebzelerin İklim ve Toprak İstekleri
Aygül KARACA
 Sebze Üretiminde Kullanılan Yetiştiricilik Sistemleri
Nusret ÖZBAY
Aygül KARACA
Sebzelerde Çoğaltma Teknikleri
Eren ÖZDEN
Sebzelerde Fide Yetiştiriciliği
Faika YARALI KARAKAN
Sebzelerde Ekim-Dikim Uygulamaları
Firdes ULAŞ
Sebze Yetiştiriciliğinde Sulama ve Sulama Yöntemleri
Selçuk SÖYLEMEZ
Sebzelerde Bitki Besleme ve Gübreleme
Ali Rıza DEMİRKIRAN
Sebzelerde Hasat Sonu Teknolojileri ve Muhafazası
Muharrem ERGUN
Гиперпролактинемия в клинической практике – наш опыт
Authors: Абдурахманова Ф. М. , Касымова С. Д. , Пирматова Махина Абдурахимовна
Published: February 2025

В данной монографии подробно рассматриваются ключевые аспекты синдрома гиперпролактинемии, включая его патофизиологические механизмы, клинические проявления и современные методы диагностики. Особое внимание уделено метаболическим нарушениям, таким как остеопения, остеопороз, инсулинорезистентность и дислипидемия, что делает работу особенно значимой для клинической практики. Монография предназначена для врачей-эндокринологов, терапевтов, гинекологов, специалистов других смежных направлений, а также для аспирантов и студентов медицинских вузов. Представ- ленный материал способствует расширению знаний о гиперпролактинемии и её осложнениях, а также может быть использован в научной и образовательной деятельности.
Measurement of Turbulence Injection Scale Down to the Chromosphere
Authors: Bailey Zachary , Bandyopadhyay Riddhi , Habbal Shadia , Druckmüller Miloslav
Published: February 2025

The solar atmosphere displays a sharp temperature gradient, starting from spicules in the chromosphere at 2 × 104 K, outward into the corona exceeding

10

6

K. Plasma turbulence produced by the transverse motion of magnetic fields anchored in the photosphere is likely the energy source producing this gradient. However, very little is known about the turbulent structures near the solar surface. Using the highest spatial resolution white-light total solar eclipse image to date, we measure the transverse correlation length at distances ranging from 0.33 to 94 Mm above the solar surface—2 orders of magnitude closer than previous estimates. Our results show that the turbulence injection scale in the chromosphere is ∼1.5 Mm, which we associate with the size of granules since they are the only structured features of comparable size. Further, the change in perpendicular correlation length with distance from the solar surface exhibits a plateau in the first 4 Mm, followed by a rapid increase until 9 Mm where it becomes shallower thereafter. We associate this radial gradient with the expansion of the magnetic field in the transition region between the chromosphere and the corona.
Otra lectura de Ideas sobre la novela. La Modernidad Teórica de Ortega y Gasset
Authors: Rivas Hernández Ascensión
Published: February 2025

Partiendo de las aportaciones de Baquero Goyanes (1960, 1963), Amorós (1974), Fox (1975), Ayala (1975), Salas Fernández (2001), Pozuelo Yvancos (2004), Wahnón (2007) o Lanz (2007), en este artículo se examinan aspectos inexplorados de Ideas sobre la novela (1925), la obra en la que José Ortega y Gasset analizó el género narrativo por excelencia. A pesar de que Ortega no es un estudioso de la literatura sensu stricto, su clarividencia lectora y su perspicacia argumentativa le permiten exponer una interesante teoría de la novela y esbozar conceptos que se desarrollarán más tarde, entre ellos la teoría de los mundos posibles, aplicada por Segre (1985) y Doležel (1997) a la ficción literaria, o la noción de autor implícito, formulada por Booth en 1961. Ortega, además, pondera el papel del lector ‒que desarrollará la Estética de la Recepción en los años sesenta del siglo XX‒ y aborda precozmente la crisis del género. En el artículo, por lo tanto, se destaca el carácter pionero del pensador como analista del hecho literario en España y su acendrada modernidad teórica.
Niveles y macroestructura de la iconicidad poética
Authors: Alonso González Mario
Published: February 2025

El presente trabajo parte de los principios cognitivos de la emoción y el sentimiento, así como de la teoría de la iconicidad poética de Margaret H. Freeman, que relaciona el sentimiento poético percibido con la estructura textual. En base a esta teoría, se ha desarrollado de qué manera emerge dicha iconicidad poética en cada uno de los niveles estructurales del texto, abordando asimismo la especificidad de la lírica en lengua española. Además, se ha propuesto que dicha emergencia por niveles converge en una iconicidad poética macroestructural. A fin de ilustrar la teoría desarrollada, al mismo tiempo que explorar sus posibilidades prácticas, se ha realizado también un análisis de dos textos líricos de Luis de Góngora y Federico García Lorca.
La villa aragonesa de Épila en el siglo XV: sus judíos
Authors: Marín Padilla Encarnación
Published: February 2025

No disponible.
Control of Verticilliosis and Grey Rot of Tomatoes Using Phosphite-Based Fungicides
Authors: Dalal Boudoudou , Amina Ouazzani Touhami , Rachid Benkirane , Allal Douira
Published: February 2025

In vitro, three phosphite formulations (zinc phosphite-manganese, iron phosphite, and copper gluconate) were tested for growth and sporulation of Verticillium dahliae and Botrytis cinerea. The three phosphite formulations tested showed notable antifungal activity against the two pathogenic fungi. In vivo, iron phosphite was tested in a greenhouse to protect tomato plants against the development of grey rot induced by B. cinerea. The effectiveness of the curative and preventive treatment of this fungicide was evaluated by measuring the severity of the disease and the sporulation of the fungus on the host. Iron phosphite was the most effective against sporulation of B. cinerea. In vivo, curative treatment with iron phosphite was more effective than preventive treatment in reducing the severity of grey rot and fungal sporulation. Iron phosphite has proven to be a promising alternative to traditional chemical pesticides to control verticillium wilt and gray rot in tomatoes.