bluuebunny/crossref_metadata_2025 huggingface dataset:
A Meta-Analysis of the Effectiveness of Digital Technology-Assisted STEM Education
Authors: Öztop Feyyaz
Published: October 2023

The purpose of this study was to reveal the effect of digital technology-assisted STEM (Science, technology, engineering, and mathematics) education on academic achievement. To achieve this purpose, experimental studies, including pre-test and post-test, were examined by meta-analysis. The study's data were obtained from 34 studies that met the inclusion criteria due to the searches made in the Databases of the National Thesis Center of the Council of Higher Education, where Turkey's postgraduate theses are located. Effect sizes of 38 comparisons were calculated from these studies. The study calculated effect sizes based on Cohen’s d coefficient. The effect size obtained after the analysis was found to be d=2.582. This finding shows that STEM education assisted by digital technology greatly affects academic achievement. In addition, a significant difference was found between the effect sizes in the study according to the level of education and the subject discipline of academic achievement. This research is expected to contribute to educational practice and future research.
Effects of Soil Textures, Soil Settlements, and Soil Water-Holding Capacity on Landslides: An Experimental Study for Science Teachers
Authors: Gabor Donna Hembra
Published: October 2023

Experimentation is a contributing factor to the interest and meaningful learning of Science. In Geology and Earth Science, the effects of soil textures, settlements, and water-holding capacity are parameters for landslides in Barotac Viejo and other flooded areas. Landslides are triggered during heavy rainstorms, causing severe property damage and casualties. This experimental study aims to determine how these parameters are factors for landslides and give accurate information to Science teachers. The study uses two methods to provide ease and continuity of measurements and settings using the Fourier Transform Infrared(FTIR) spectroscopy in analyzing the soil textures. The Imhoff cone instrument is for the settling and water-holding capacity of the soil. FTIR Soil analysis reveals that contents of clay and organic matter directly affect soil water-holding ability due to the larger surface area. A landslide-prone zone has a lesser settling time except for the sand that settles fastest due to larger masses. This study is crucial for science teachers teaching geology and earth sciences besides forecasting and preventing geohydrological processes and developing better landslide warning strategies to mitigate risks and reduce socioeconomic damage.
The Effect of Argument-Driven Inquiry (ADI) on Argumentation Skills and Students' Concept Mastering of Human Excretory System Materials
Authors: Riyanti Vita , Hamdiyati Yanti , Purwianingsih Widi
Published: October 2023

This study aims to determine the effect of the Argument-Driven Inquiry (ADI) learning model on students' argumentation skills and mastery of concepts in human excretory system material, especially in the sub-material of kidney disorders. The research method used quasi-experimental with a group pretest-posttest design. The sample of this research was second-grade MIPA students in one of the high schools in Bandung, which consisted of 29 students in the experimental class and 25 students in the control class. The purposive sampling technique did the sampling. The study used some instruments, which consisted of a test of argumentation skills in the form of essay questions, an exam of mastery of concepts in the form of multiple choice, and a questionnaire on student responses to learning using the ADI learning model. The results showed that the ADI learning model had a more significant effect on argumentation skills in the experimental class than in the control class, with a significance value of 0.019. The quality of students' argumentation was at level 3. However, the ADI learning model did not significantly affect students' mastery of concepts in the excretory system material because a significant difference was not found between the pretest and posttest data in both research classes. Student response data shows students respond completely well to applying the ADI learning model. Therefore, the ADI learning model is recommended for biology teachers to improve students' argumentation skills and concepts mastery in other biological materials.
Investigation into the Flow of Gas-Solids during Dry Dust Collectors Exploitation, as Applied in Domestic Energy Facilities – Numerical Analyses
Authors: Maćkowiak Albert , Kostrzewski Mariusz , Bugała Artur , Chamier-Gliszczyński Norbert , Bugała Dorota , Jajczyk Jarosław , Woźniak Waldemar , Dombek Grzegorz , Nowak Karol
Published: October 2023

The paper presents the results related to the simulation of dust-separating tangential cyclones: single cyclones of various geometries, and an axial multi-cyclone with fixed geometries and components. Its goal was to apply low-cost analyses for cyclones in industrial realization. Therefore, the presented research was applied with simulation methodology as a problem of Computational Fluid Dynamics. The models were analyzed using SolidWorks Flow Simulation software. The presented dust collectors are real-life objects, applied in industrial facilities. For a multi-cyclone, the increase in the number of blades, from 5 to 8, together with the change in the angle of a blade’s pitch i.e., 30° and 45°, resulted in dust concentration along the internal walls from just 10% for 5 blades up to c.a. 37.5% for 6 blades, and c.a. 50% for 8 blades, whereas the dust concentration in the device’s central part equals c.a. 20% for the last option. The model validation draws attention to the potential applicability of the software in flow issues alongside common and more complex numerical environments.
The problem of God’s hypostasis in Christianity: origins and destinies
Authors: Khamidov Alexander A.
Published: October 2023

Abstract. The article analyzes the problem of Gods hypostasis. It is noted that already in the Gospels God appears as one in three persons. The assumption is based that the existing anti-Trinitarian interpretations proceeded rather not from the Gospels, but from the interpretation of God in Judaism, in which he has no hypostasis. It is noted that within the framework of trinitarianism for a long time there were disputes about the ratio in the Holy Trinity of God the Father, God the Son and God the Holy Spirit, which ended in the division of churches. However, heresy-declared anti-Trinitarianism (Unitarianism) continued to exist. The article demonstrates the confession of this direction by I. Newton. It is noted that in the early 1990s, a community arose in the Soviet Union, claiming to develop Christianity and the doctrine of which, in a number of parameters, coincides with Gnosticism. The interpretation of the problem of hypostasis in it is analyzed.
Digital law as an object of socio-philosophical analysis
Authors: Bodrov Alexander A. , Borisova Tatyana V. , Maksimov Aleksandr M.
Published: October 2023

The article analyzes the content content of the category digital law as one of the fundamentally important tools for regulating the information existence of a person in the social realities of the XXI century. The ontological problems arising in the process of applying the principles of digital law in the information space are analyzed. The trends in the development of digital law, problems and prospects of its functioning related to the digitalization of social processes are considered. The principles of an interdisciplinary approach combining the socio-philosophical foundations of cognition aimed at identifying the ontological characteristics of the information space and interpersonal communications in it are used, with jurisprudence focused on the analysis of the category of digital law as one of the aspects of the legal field.
Reflections on ecstatic of culture
Authors: Malyshev Vladislav B.
Published: October 2023

The article analyzes texts related to the comprehension of the problem of ecstasy of culture and outside of human instances, first of all, Nature. Rereading the works The experience of studying bacchanalian cults of Indo-European antiquity in connection with the role of ecstasy at the early stages of public development (1883) by D.N. Ovsyaniko-Kulikovsky and V.V. Kostetsky Ecstasy of culture and problems of aesthetics (2022), we are beginning to understand even more deeply the role of ecstatic states in culture as a whole and in certain types of human activity. Moving further, and reading the primary sources of Indo-European antiquity with their mythopoetics, we come to realize that we owe much to these states to the transcendental play of extrahuman instances, first of all, Nature. Texts of the ancient Indian Vedas and Russian poetry become especially representative for understanding beyond human subjectivity.
Value Orientations of Juvenile Delinquents
Authors: Kroz M.V. , Ratinova N.A.
Published: October 2023

Objective. The study of the value orientations of juvenile delinquents in comparison with their law-abiding peers. Background. The terminal values of adolescents were analyzed using projective methods protected from the influence of the factor of social desirability on the answers. The study focuses on the values in the actual field of consciousness.
Study design. Comparative study of the content of the leading values of criminal and law-abiding adolescents. Participants. The sample was completed by 71 juvenile delinquents and 40 law-abiding teenagers.
Methods. The projective methods "Color Test of Relations" and "Sentence Completion Test" with the author's scheme of qualitative-quantitative data processing.
Results. The high significance of family values for both law-abiding adolescents and, especially, their criminal peers, combined with the low significance of prosocial values that do not fulfill the function of regulating their social behavior.
Conclusions. Deprivation of the leading needs (family environment, security, etc.) in juvenile delinquents at an educational colony increases the subjective significance of the corresponding values.
Theory of Mind and Machiavellianism as Factors of Intragroup Relations in Adolescence
Authors: Lebedeva E.I. , Filippou O.Y. , Vilenskaya G.A. , Ulanova A.Y. , Pavlova N.S.
Published: October 2023

Objective. Analysis of differences in social cognition skills (theory of mind) and Machiavellianism in adolescents with different levels of popularity and preference among peers.
Background. Despite the possible consensus on the positive relationship of high social cognition skills and successful socialization, it remains important to study how theory of mind and manipulative behavior are involved in the popularity and social preferences of adolescents.
Study design. The paper studied the differences in the theory of mind and Machiavellianism in adolescents with different levels of popularity and social preference in the peer group. Statistical differences were tested using non-parametric differences tests.
Participants. 166 students (grades 6–8) from schools in the Moscow region. Age from 13 to 14 years (M = 13,39; SD = 0,49), including 90 girls (54,2%).
Measurements. Theory of mind was assessed using the "Reading the Mind in the Eyes" test and tasks for understanding false believes of a higher order. The Russian-language version of the Mach scale is IV. Sociometric method.
Results. Adolescents choose peers with high social cognition skills as friends. Machiavellianism plays into the evaluation of popularity and social preference by peers. Adolescents with a higher level of Machiavellianism are rated by their peers as more popular and preferred for communication.
Conclusions. Popular teens and teens chosen to socialize differ in social cognition and machiavellian skills.
Types of Parental Attitudes in the Psychological Support of a Child-Athlete: A Diagnostic Questionnaire
Authors: Lopukhova O.G. , Nurkhamitova L.R.
Published: October 2023

Objective. Development and psychometric testing of a questionnaire that allows diagnosing the types of parental attitudes in the psychological support of a child-athlete.
Background. Researchers distinguish various, including "problem" types, the relationship of a parent to a child-athlete, emphasizing the importance of this factor in the development of a sports career and the need for its diagnosis. At the same time, there are no standardized methods that allow quantitatively measuring parental attitudes in relation to the child-athlete.
Study design. The hypothetical model of parental attitudes in the psychological support of a child-athlete included six types. During the psychometric testing of the questionnaire, the initial model was transformed and three types of parental attitudes were empirically identified. Data collection was organized using Google Forms, the link for taking the survey was sent directly through social networks.
Participants. The sample consisted of 204 respondents: parents of children-athletes (mothers – 74,8%; fathers – 25,5%).
Measurements. Psychometric testing of the author's questionnaire "Types of parental attitudes in the psychological support of a child-athlete" for indicators of constructive and competitive validity, retest reliability, consistency, discrimination of scales was carried out using correlation and cluster analysis, frequency analysis. Competitive validity was carried out using the Parent Relationship Questionnaire (A.Ya. Varga and V.V. Stolin). Statistica 7 and Excel 2013 programs were used for data processing.
Results. Three types of parental attitudes in the psychological support of a young athlete were empirically verified: "Unfulfilled parental ambitions", "Involved, supporting parent", "Distracted, negatively inclined parent". The norms of expressiveness of each type of parental attitudes and their frequency in the standardization sample were revealed. The questionnaire "Types of parental attitudes in the psychological support of a child-athlete" and the key to it are presented in the appendix to the article.
Conclusions. The questionnaire "Types of parental attitudes in the psychological support of a child-athlete" developed by the authors is reliable and valid and can be proposed as a diagnostic tool for scientific and practical use in the psychological and pedagogical support of children's and youth sports.
Characteristics of Emerging Adulthood: Adaptation of the Questionnaire in Russian Culture
Authors: Yerofeyeva V.G.
Published: October 2023

Objective. Translation, adaptation, and psychometric testing of the Russian version of the questionnaire “Inventory of the Dimensions of Emerging Adulthood (IDEA)” by A. Reifman, J.J. Arnett and M.J. Colwell on a Russian sample.
Background. All over the world, the phenomenon of delayed maturation is acknowledged: young people describe the third decade of their lives as a time of “role without role” and unlimited freedom. In Russia, researchers also note that objective criteria of adult life have been replaced by subjective ones. However, as studies on the adaptation of the questionnaire show, the characteristics of emerging adulthood manifest themselves differently depending on the country and type of culture, so it is necessary to check what aspects of the construct are appropriate in Russia.
Study design. A standard psychometric procedure for adapting was carried out. The questionnaire was translated in accordance with international requirements. Next, the original version was checked, it did not fit the Russian sample well. After that, exploratory factor analysis and confirmatory factor analysis were carried out to find a suitable model and check the structural validity of the questionnaire. Reliability indicators were calculated for the resulting model.
Participants. The respondents were 676 students aged 18 to 29 living in Russian large cities and millionaire cities.
Measurements. “Inventory of the Dimensions of Emerging Adulthood (IDEA)”. Correlation analysis, exploratory factor analysis, confirmatory factor analysis, and assessment of the reliability of the obtained model were carried out. The data were analyzed using the RStudio program.
Results. A 5-factor correlation model is proposed that confirms the theoretically distinguished characteristics of emerging adulthood. But the original structure has changed: the questionnaire has been reduced from 31 items and six scales to 19 items and five scales, two items were included in other factors.
Conclusions. In Russia, maturation is predominantly associated with the search for identity, experiments, and self-orientation, and to a lesser extent with instability, which can be explained by a mixed type of culture. The questionnaire can be used for research purposes to further test the findings.
Virtual Reality Technology as a Tool for Stress Inoculation for NICU Caregivers
Authors:   , Burke Peggy , Geller Pamela
Published: October 2023

It has been found that 1-7% of birthing parents who have a full-term birth experience postpartum traumatic stress disorder (PTSD) while those giving birth to a high-risk infant have a higher prevalence of PTSD, ranging from 24 to 44% (Kim, et.al., 2015). The prevalence of postpartum anxiety is also high for birth givers (13-40%) (Field, 2017). The incidence of both postpartum PTSD and postpartum anxiety is even higher for parents with infants hospitalized in the NICU (Gonzales-Hernandez, et.al., 2019). With the number of infants in the NICU increasing, from 3.2 to 4.5 patients per 1000 live births between 2006 and 2010 (Kim, et.al., 2015), and the associated prevalence of postpartum PTSD and anxiety in NICU caregivers, there is clearly a critical need to address parent mental health in the NICU setting to reduce its prevalence. Virtual reality (VR) has become increasingly more recognized in psychotherapy and psychological research with its ability to control the environment and create more stimulus and responsive protocols (Wilson & Soranzo, 2015). VR integrates real-time computer graphics, body tracking devices, visual displays, and sensory outputs, putting a participant in computer-generated environments that can move in time with a person's head and body motion, giving more possibility for exposure therapy and mindfulness coaching (Rothbaum, 1999). VR with supportive coaching has been shown to work effectively with veterans to decrease PTSD and PTSD symptoms (Rothbaum, 1999). By using VR scenarios with trained therapists, we believe that we will be able to help caregivers of infants in the NICU. Ultimately, we want to decrease the prevalence of anxiety and PTSD symptoms in NICU caregivers by teaching coping strategies and stress-reduction exercises. The purpose of this project is to design and prepare materials to provide stress-inoculation training for NICU parents using VR technology. Specifically, formative research was conducted, a study protocol was created, and materials and manuals were created to train coaches for the VR-Stress Inoculation Training (VR-SIT) sessions and to train research assistants in the delivery of the protocol. This document reports on formative data from focus groups, the development of the study procedures and materials, as well as the challenges faced in creating the program. This project has the potential to support NICU parents by providing critical coping skills to confront the stressors in the NICU environment during their infant's hospitalization.
A Case Study of Managers Drawing on Intercultural Competence to Influence Employee Engagement
Authors:   , Ginexi Anthony C. , Thurber Rasmussen Harriette
Published: October 2023

Challenges resulting in poor employee engagement emerge when the reality of an increasingly globalized business landscape contributing to an expanding multicultural workforce is ignored or mismanaged, which includes difficulties with organizational commitment, cross-cultural interpersonal relations, employee satisfaction, and retention of employees. The effectiveness of fostering engagement in a culturally diverse workforce is relative to the meaning managers make of cultural differences. To make a real and meaningful impact on managers' effectiveness as leaders of employee engagement, cultural development strategies must affect the efficacy of both knowledge and skill, transcending simple awareness by advancing the capacity to adapt behavior to cultural differences. The purpose of this qualitative, instrumental case study was to inform the effectiveness of cultural development strategies by understanding how managers' intercultural competence influences their contributions to employee engagement. One overarching question was addressed: How do managers' intercultural competence influence their contributions to employee engagement? Additionally, the following three questions informed the overarching question and guided the research: a) How do managers describe their management experiences and approaches contributing to employee engagement, b) In what ways is IC reflected in managers' descriptions of their management experiences and approaches contributing to employee engagement, and c) How are managers' descriptions of their management experiences and approaches contributing to employee engagement different and similar across IC developmental orientations? A total of six managers participated in this study by completing the Intercultural Development InventoryTM and participating in individual interviews. The findings of this study revealed that managers' perceptions and behavioral approaches around employee engagement reflect their intercultural competence and suggest a need for targeted cultural development strategies.
The Medievalist Approach to the Idea of Peace Based on the Example of the Doctrine of Marsilius of Padua
Authors: Łuszczyńska Małgorzata
Published: October 2023

The article is to point out the complexity of the idea of peace, which, once formed in the medieval era, has been the foundation of many contemporary institutions in the field of social life in a broad sense. The concept of peace, consisting of a number of issues, is central to the discussion herein. The full presentation of the idea of pax requires a reference to the social nature of man and to the relationship of the individual with the social group within which that individual lives. The issue of peace is also coupled with the idea of the common good. It is impossible to characterize the idea of bonum commune without a reference to the question of ordo and the essence of justice. The author proposes a thesis that the medievalist concept of pax combines political, legal, and moral reflection. It develops independently of the theory of wars. Particular attention should be paid to the idea of peace in the thought of Marsilius of Padua, who, drawing on Aristotle’s achievements and the ideas developed in the Middle Ages, devised an original concept of peace.
The Doctrine of Discovery and Rule of Capture: Re-Examining the Ownership and Management of Oil Rights of Nigeria’s Indigenous Peoples
Authors: Ugwu Ikechukwu P.
Published: October 2023

The aim of the article is to examine the theories that underpin the ownership and management of oil rights in Nigeria and the need for a new ownership model. The economy of Nigeria is majorly supported by revenues from natural resources, especially crude oil. With the downturn in the country’s economy, the Nigerian Federal Government recently embarked on a series of crude oil discoveries to increase revenue despite the unresolved violations of human rights of the indigenous peoples and environmental abuses committed during oil exploration in the Niger Delta region of the country. The Nigerian government finds justification for this uncontrolled exploration of natural resources in the doctrine of discovery and the rule of capture. The author argues that basing the right of the Nigerian Federal Government to explore natural resources on the two doctrines has negative implications on the rights of indigenous peoples in Nigeria and environmental protection, and is a continuation of the philosophies behind colonialism. Therefore, the article examines the doctrine of discovery, the rule of capture, the colonial philosophies of property rights, and the legal regime regarding ownership of natural resources in Nigeria. It suggests a hybrid ownership model where ownership is shared between indigenous groups and the government.
The Legal Position of the National Bank of Poland as a Guardian of the Value of Money in the Light of Normative Determinants of Monetary Order
Authors: Zdyb Marian
Published: October 2023

The article concerns an issue of great significance from the point of view of contemporary challenges. The primary objective is to identify problems and legal instruments which are of fundamental importance in the perspective of the central bank’s tasks concerning the protection of the value of money and the maintenance of a stable price level, as defined in the Act on the National Bank of Poland (the NBP) and in Article 227 (1) of the Polish Constitution. In this context, it is important to understand the problem of the value of money in general and to give due consideration to the legal status of the NBP in the context of building monetary order and the legal possibilities of its operation in this area. Undoubtedly, an important attribute of the NBP is its legally guaranteed independence from all state authorities and the formulation of its basic forms of action within the framework of the legal system. Fundamental to the problem identified in the title of this article is undoubtedly an understanding of the basic legal instruments used by the NBP to protect the value of money. These include in particular: the determination and implementation of monetary policy, the prevention of excessive inflation and the increase in the prices of goods and services, as well as the use of interest rates in the process of stabilizing the value of money and price formation. The question of issuing money, especially when we are dealing with money overprinting, becomes a separate problem. In conclusion, it should be stated that concern for monetary order is an essential element in building the foundations of economic, financial, social and legal order in the state. The work uses primarily the dogmatic method and, to a lesser extent, other methods as well.
The Development of Mediation in Poland and Ukraine: A Comparison and Prospects for Experience Exchange
Authors: Kalisz Anna , Serhieieva Alina
Published: October 2023

Ukraine has become a candidate country for the European Union membership, which brings challenges, including those of a legal nature. One of such challenges is the regulation of the institution of mediation, which is a subject of interest to European institutions (both within the Council of Europe and the European Union) that actively promote methods of alternative dispute resolution (ADR methods). The aim of the article is to compare the current development of mediation in Poland and Ukraine, as well as to determine to what extent there are similarities in successes and challenges and to what extent the Polish experience could be helpful for the development of mediation in Ukraine. The essence of the problem is whether Ukraine shall follow Polish solutions in this area.
Comparación de dos principios de diseño de órtesis de tobillo no actuadas para asistir en la fase de propulsión: un estudio de caso
Authors: Bayón Cristina , Van Crey Nikko , Rocón Eduardo , Rouse Elliott , van Asseldonk Edwin H.F.
Published: October 2023

La propulsión que ejerce el tobillo es esencial para la ejecuci´on de una marcha humana eficiente. En los últimos años, se han venido aplicando diversos principios de funcionamiento a las ortesis de tobillo y pie (AFO), con el fin de mejorar el trabajo de los músculos flexores plantares y lograr así una propulsión adecuada durante la marcha. Es difícil comparar la ejecución y eficacia de los diferentes diseños debido a que los investigadores no siguen un conjunto estandarizado de criterios y procedimientos comunes. Esto lleva a la realización de una amplia gama de pruebas, con variaciones en factores importantes como la velocidad de marcha y la asistencia proporcionada, lo que afecta en gran medida a la cinemática y la cinética de los usuarios. Este trabajo está enfocado a comprender las posibilidades y los potenciales beneficios de dos importantes principios de diseño para asistir la propulsión del tobillo con una AFO no actuada. Para ello, presentamos y evaluamos dos prototipos de AFO con resorte paralelo al tendón de Aquiles, basados en: (i) un resorte de compresión lineal, y (ii) una transmisión no lineal y personalizada de leva con resorte de ballesta. Se presentan los efectos de ambas AFOs para un estudio de caso con un usuario sano usando ambos prototipos a dos velocidades de marcha bajo las mismas condiciones experimentales. Se encontraron grandes reducciones en la actividad muscular cuando el usuario recibió asistencia, y la cinemática del tobillo estuvo influenciada por los diferentes principios de dicha asistencia. Este estudio de caso fue pensado como un primer intento para proporcionar información sobre cómo dos principios prometedores pueden asistir de forma pasiva la propulsión de tobillo durante la marcha.
Decodificación de la imaginación motora del pedaleo a partir de señales electroencefalográficas
Authors: Juan Javier V. , Iáñez Eduardo , Ortiz Mario , Tornero Jesús , Azorín José M.
Published: October 2023

El principio clave de la decodificación de la imaginación motora (MI, Motor Imagery) para las Interfaces Cerebro-Máquina (BMIs, Brain-Machine Interfaces) basadas en electroencefalogramas (EEG) consiste en extraer características discriminativas de tarea de los dominios espectrales, espaciales y temporales de manera conjunta y eficiente. A este respecto, la no estacionalidad de las señales EEG y su alta relación señal/ruido representan un desafío para el diseño avanzado de algoritmos de decodificación efectivos. Por su parte estos algoritmos permiten el control de dispositivos en tareas de neurorrehabilitación, activando la corteza motora del paciente y contribuyendo a su recuperación. Por estas razones, este estudio ha optimizado un algoritmo de decodificación de MI basado en características espaciales, el cual ha sido probado en dos sujetos sanos alcanzando rangos de acierto de hasta el 80 %, lo que supone una mejora respecto a estudios previos.
Reducción de puntos de una trayectoria 3D basada en el algoritmo Douglas-Peucker. Aplicación a robótica quirúrgica
Authors: Manrique Córdoba Juliana , Cases-Hurtado Jesús , Romero Ante Juan David , de la Casa Lillo Miguel Ángel , Sabater-Navarro José María
Published: October 2023

El avance de la autonomía de robots quirúrgicos está ligado con avances en el aprendizaje de trayectorias hechas por cirujanos expertos al realizar procedimientos sencillos. Un primer paso en este aprendizaje es mejorar la capacidad de obtener trayectorias robóticas validas a partir de las maniobras captadas del cirujano. Las trayectorias manuales son habitualmente muestreadas con un número elevado de puntos que dificulta su inserción en algoritmos de aprendizaje. Este trabajo tiene como objetivo obtener trayectorias remuestreadas con un número significativamente menor de puntos y con la posibilidad de definir puntos clave paramétricos, de forma que puedan usarse para ser enviadas a un robot quirúrgico que replique las trayectorias aprendidas del cirujano sin comprometer otros parámetros como precisión, velocidad o fuerzas de interacción ejercidas. El artículo propone un algoritmo de simplificación basado en el algoritmo de Douglas-Peucker para reducir la cantidad de puntos que componen las trayectorias potencialmente complejas; una vez se tiene la simplificación, se define la velocidad cartesiana de movimiento a partir de la diferencia de los puntos ubicados en el espacio. El trabajo presenta los resultados obtenidos al ejecutar las trayectorias con un robot UR3e y se evalúa la simplificación hecha. Los resultados presentados evidencian que las trayectorias submuestreadas de esta forma pueden ser utilizadas en escenarios quirúrgicos para el aprendizaje de procedimientos autónomos.
Plataforma experimental para la obtención de las fuerzas de interacción en cirugía mínimamente invasiva
Authors: Rumbo Iliana , Cases-Hurtado Jesús , Manrique Córdoba Juliana , Romero Ante Juan David , Martorell Carlos , Vivas Albán Óscar Andrés , Sabater-Navarro José María
Published: October 2023

En este trabajo se presenta una plataforma experimental versátil para la medición de fuerzas en escenarios MIS y que consiste en un sensor de par de alta precisión HEX-E QC de la marca OnRobot que se puede integrar en diferentes configuraciones y escenarios para simular intervenciones como cirugía endonasal, laparoscopia o fresado de hueso. El objetivo es estudiar la relación de las fuerzas leídas en distintos puntos para poder utilizar esta información en futuros desarrollos de estimadores en los que sólo se disponga de información parcial de uno de los sensores de fuerza. Otro objetivo del trabajo es que se puede hacer una estimación cuantitativa y parametrizar los máximos y mínimos en cada procedimiento quirúrgico con la finalidad de determinar umbrales para hacer las operaciones asistidas por robot más efectivas y seguras.
Dimensionado de intercambiadores de calor horizontales enterrados para instalaciones de energía geotérmica de muy baja entalpía. Un caso práctico
Authors: del Pino Fernández Joaquín , Martínez Bohorquez Miguel Ángel , Andújar-Márquez José Manuel , Barragán Antonio Javier , Aquino Arturo , Enrique Juan Manuel
Published: October 2023

En la actualidad, un parámetro fundamental para el correcto dimensionamiento de las instalaciones de energía geotérmica de muy baja entalpía (VLGE), sobre todo en aquellas con enterramiento horizontal, es conocer el valor correcto de la difusividad térmica (α) del terreno (ratio entre la capacidad de conducción y la capacidad térmica, expresada en m2/s) a la profundidad a la que se realiza el enterramiento del intercambiador geotérmico. Son numerosos los métodos utilizados para su cálculo, tanto de forma teórica y aproximada, como de forma más exacta, a través de costosos ensayos realizados en el propio terreno donde se va a enterrar el intercambiador. Raramente el cálculo teórico se aproxima a la realidad, provocando que la instalación diseñada nunca llegue a funcionar de forma correcta. Esto es especialmente grave si la instalación va situada, como es habitual, debajo del edificio o vivienda, pues no admite actuaciones de mejora a posteriori. Este trabajo demuestra de forma práctica, con un ejemplo real, como la utilización de un sistema de medición de temperatura del terreno in situ, de muy bajo costo, como el diseñado y expuesto en el artículo, proporciona una herramienta útil y precisa para el dimensionado correcto de este tipo de instalaciones. El método desarrollado se compara con el teórico y se cuantifica el error.
Modelado integrado de fuerzas y motores de inducción aplicado al proceso de fresado
Authors: Trojaola Ignacio , Elorza Iker , Nieto Ramos Estela
Published: October 2023

En este artículo se propone un modelo para el proceso de fresado que integra el modelado de los actuadores de la fresadora y las fuerzas generadas durante dicho proceso. El modelado de las fuerzas se realiza directamente a partir de los componentes de fuerza tangencial, axial y radial. Además, se desarrolla el modelado matemático de los motores de inducción, encargados de realizar el control de posición y velocidad de la fresadora. El modelado se lleva a cabo utilizando la librería Simscape de MATLAB, lo que proporciona una herramienta intuitiva y reproducible para simular el proceso de fresado bajo diferentes condiciones de ensayo. Los resultados de las simulaciones muestran cómo las dinámicas de los motores de inducción se ven afectadas por las fuerzas y los pares generados durante el proceso, lo cual permite adecuar los lazos de control de los motores a ellas.
Análisis de un robot abierto de bajo coste para docencia de aprendizaje automático
Authors: Bes Carreras Jorge , Garcia-Barcos Javier , Martinez-Cantin Ruben
Published: October 2023

En este trabajo estudiamos el comportamiento, ventajas e inconvenientes del robot Trifinger para la docencia de estudiantes de ingeniería y automática. El robot Trifinger es un robot de diseño abierto a nivel hardware con piezas realizadas con impresión 3D y componentes (electrónica, motores...) estándar y disponibles comercialmente. El software también es abierto e incorpora un simulador realizado en Pybullet que simplifica el prototipado de soluciones y puede usarse como una primera aproximación de los estudiantes. En concreto, en este trabajo evaluamos su potencial uso para la docencia de aprendizaje automático en general y de aprendizaje por refuerzo en particular, una línea que esta permeando todas las áreas de conocimiento y tiene gran potencial en el mundo de la automática. Evaluamos el comportamiento de varios algoritmos que están en el estado del arte del aprendizaje por refuerzo en varias tareas planteadas con el uso robot, demostrando que la plataforma es a la vez una herramienta sencilla de usar y manejar, pero a la vez desafiante y compleja incluso para el estado del arte.
Propilen Oksit'in Kuru Meyve Güvesi Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae)'ya karşı Metil Bromüre Alternatif Bir Fumigant Olarak Değerlendirilmesi
Authors: Küçüktopcu Yeter , Isıkber Ali Arda
Published: October 2023

Bu çalışmada; MeBr'e alternatif olarak Propilen Oksit (PPO)’in P. interpunctella'nın hızlı kontrolü için potansiyel kullanımı araştırılmıştır. Bu amaçla, ürünlü (kabuklu fındık ve kuru incir) ve ürünsüz ortamlarda P. interpunctella'nın tüm biyolojik dönemlerine (yumurta, larva, pupa ve ergin) karşı tek başına 10 µl l-1 PPO (normal basınç), 10 µl l-1 PPO+vakum (100 mm Hg düşük basınç) ve 10 µl l-1 PPO+kardondioksit (%92 CO2 konsantrasyonu) uygulamalarının kısa maruz kalma sürelerinde (4 saat) insektisidal etkinliği değerlendirilmiştir. Ürünsüz ortamda yürütülen biyolojik testlerde, yalnızca PPO+vakum uygulamasında zararlının larva dönemi hariç diğer tüm dönemlerinde (ergin, yumurta ve pupa) %100 ve %100'e yakın ölüm oranı tespit edilirken; tek başına PPO ve PPO+CO2 uygulamalarında ise P. interpunctella'nın hiçbir biyolojik döneminde %100 ölüm oranına ulaşılamamıştır. Bulgular, PPO'nun vakum altında uygulanıldığında tek başına PPO ve PPO+CO2 uygulamalarına kıyasla zararlıya karşı istatistiksel olarak önemli derecede daha yüksek biyolojik aktivite sergilediğini göstermiştir. Ayrıca, ürünlü ortamlarda P. interpunctella'ya karşı tüm uygulamaların ölüm oranları arasında da önemli farklılıklar gözlenmiştir. Kuru incir kullanılan ortamda yürütülen biyolojik testlerde, PPO+vakum ve PPO+CO2 uygulamalarında P. interpunctella’nın tüm biyolojik dönemlerinde %54.6 ila %100 arasında ölüm oranları tespit edilirken; kabuklu fındık bulunan ortamda yapılan biyolojik testlerde ise %4.4 ile %36 arasında değişen oranlarda düşük ölüm oranları tespit edilmiştir. Sonuçlara göre P. interpunctella'nın tüm biyolojik dönemlerini kontrol edebilmek için kabuklu fındık bulunan ortamda kuru incire kıyasla daha yüksek PPO konsantrasyonuna ihtiyaç duyabileceği görülmüştür. Genel olarak yapılan bu çalışma, özellikle kuru incirlerde PPO+vakum uygulamasının böcek kontaminasyonunda hızlı kontrol için umut verici bir alternatif fumigant olabileceği ortaya çıkarmıştır.
Cosmetovigilance: Emerging safety trends
Authors: Praveen John , Swaminathan Thirumalai Velu
Published: October 2023

The article offers an extensive evaluation of cosmetovigilance and its pivotal contribution to ensuring the safety and integrity of cosmetic products. It delves into the multifaceted cosmetics industry, encompassing segments like cosmeceuticals, nutricosmetics, and cosmetic devices, each tailored to enhance personal care.

In addition to unveiling the details of cosmetovigilance, this article sheds light on a pressing concern – counterfeit beauty products. It underscores the hazards lurking within these deceptive imitations, emphasizing the necessity of consumer awareness and vigilance. The article equips readers with practical strategies to navigate the intricate landscape of cosmetics, evade harmful chemicals, and protect their well-being.

Above all, this article underscores the profound significance of cosmetovigilance as the sentinel of product safety and consumer welfare. It offers insights into the latest industry trends, regulatory adaptations, and the responsibilities entailed in reporting adverse events. Serving as an enduring reminder, it reinforces the enduring necessity for unwavering vigilance in the realm of cosmetics.
Assessment of dissolution, disintegration time, and acid-neutralizing capacity of Butaproxyvon capsules (Paracetamol 325mg and diclofenac potassium 50mg)
Authors: Dhore Mayank , Muchhala Snehal , Panigrahi Dhananjay , Bhagat Seema , Rathod Rahul , Kotak Bhavesh
Published: October 2023

This study was carried out to assess the in vitro dissolution of Butaproxyvon Capsule (Paracetamol 325mg and Diclofenac 50mg) by calculating the percentage mean drug dissolved and disintegration time, as well as acid neutralizing time.

The capsules were tested using three different types of dissolution medium, including pH6.8 phosphate buffer, pH7.5 phosphate buffer, and pH4.5 acetate buffer. The disintegration apparatus was used to calculate the disintegration time, and the acid neutralizing capacity was determined by titrating the capsule content mix with hydrochloric acid with 0.5N sodium hydroxide.

Acid neutralizing capacity was found 12.33 mEq/g. Disintegration time was found in the range of 4.40 to 10.00 minutes. % Mean Paracetamol release was found to be almost similar after 60 minutes in all media. % Mean Diclofenac Potassium release was to be found almost similar after 60 minutes by using pH 6.8 and pH 7.5 phosphate media.

% Mean drug released for Diclofenac Potassium was found 13% in 4.5 Acetate media, and the released pattern was not uniform. This may be attributed to the low solubility of Diclofenac potassium in 4.5 Acetate media.
Manifestaciones neurológicas asociadas temporalmente con la infección por COVID-19 en pacientes pediátricos en México
Authors: Ruiz García Matilde , Hernández Antúnez Blanca Gloria , Herrera-Mora Patricia , Esteban Camacho Mendoza , Urrutia Osorio Marta , Sánchez Morales Areli Estela , Rosales Pedraza Gustavo , Dávila Maldonado Luis
Published: October 2023

ANTECEDENTES: Se han informado diferentes manifestaciones neurológicas asociadas con la infección por COVID-19, tanto en la fase aguda como de manera posinfecciosa. La población pediátrica se afecta con menor frecuencia y gravedad por esta enfermedad.

OBJETIVO: Evaluar la asociación temporal entre síntomas neurológicos agudos en pacientes pediátricos con contacto o infección por COVID-19 confirmada en los 15 días previos.

MATERIALES Y MÉTODOS: Serie de casos de pacientes con síntomas neurológicos agudos asociados temporalmente con la infección por COVID-19. Se evaluaron pacientes menores de 17 años que acudieron a Urgencias con síntomas agudos: debilidad ascendente con arreflexia, disminución de la agudeza visual, encefalopatía, enfermedad cerebrovascular isquémica o miositis.

RESULTADOS: Se evaluaron 23 pacientes con síntomas neurológicos: 10 tuvieron antecedente de contacto o infección por COVID-19. Se registraron 5 varones de 2 a 16 años (edad media de 11.6); 4 tuvieron contacto con un familiar con COVID-19 y 2 manifestaron síntomas respiratorios relacionados con COVID-19 aguda en las dos semanas previas al inicio de los síntomas neurológicos. Se identificaron las siguientes alteraciones: neuritis óptica (n = 2), síndrome de Guillain-Barré (n = 3), miositis con rabdomiólisis (n = 1), enfermedad cerebrovascular isquémico (n = 2), cerebelitis aguda (n = 1) y encefalitis Anti NMDA-R (n = 1).

CONCLUSIONES: Las manifestaciones neurológicas asociadas temporalmente con la infección por SARS-CoV2 aparecen en niños, incluso en casos asintomáticos. Se debe considerar la COVID 19 como agente etiológico en pacientes con síntomas neurológicos, especialmente si tienen antecedente de contacto con un caso confirmado de la enfermedad.
Lymphangiomatous polyp of the palatine tonsil in children
Authors: Rodríguez Anzules Marta , Guillén Lozada Enrique , Blasco Santana Luis , Moreno Juara Ángel , Santos Santos Saturnino , Bartolomé Benito Margarita
Published: October 2023

BACKGROUND: Lymphangiomatous polyp is a very uncommon benign and congenital lesion that appears mainly in the head and neck area. The polyp arises due to a vascular and lymphatic malformation. Medical publications indicate that the number of cases in children is unknown.

CLINICAL CASE: In this paper, two different cases will be presented; one of these dates from 2018 (a 6-year-old boy) and the other one from 2021, the first younger clinical case (a 3-year-old girl) of multiple and bilateral lymphangiomatous polyps of the palatine tonsils. Both these cases were diagnosed during routine procedures at our hospital which will be explained below.

CONCLUSIONS: The clinical suspicion is based on medical history, symptoms (dysphagia, foreign body sensation) and the oral cavity examination, but the definitive diagnosis is histopathological. The treatment consists of a tonsillectomy or a simple surgical excision. Regarding the images (CT-scan or MRI) there is controversy over whether to perform these or not. Although the clinical behavior of tonsillar lymphangiomatous polys is unknown and unclear, our reported cases did not have presence of a malignancy or growth.
La Violencia contra niñas, niños y adolescentes, un problema de salud pública: Panorama en México
Authors: Loredo Abdalá Arturo
Published: October 2023

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From Macroeconomic Stability to Welfare: Optimizing Fiscal Rules in Commodity-Dependent Economies
Authors: Heresi Rodrigo
Published: October 2023

I study the welfare and macroeconomic implications of simple and implementable fiscal policy rules in commodity-dependent economies, where a large share of output, exports, and government revenues depend on exogenous and volatile commodity prices. Using a multisector New Keynesian model estimated for the Chilean economy, we find that the welfare-maximizing fiscal policy involves an actively countercyclical response to the tax revenue cycle and a mildly procyclical response to the commodity revenue cycle. Compared to a benchmark acyclical policy, the optimized rule minimizes GDP growth volatility while delivering welfare gains of 0.6% of lifetime consumption to non-Ricardian (financially constrained) households. Government consumption and especially public investment are particularly helpful in stabilizing GDP, while targeted social transfers are essential to smooth the consumption of financially constrained households. Implementing the optimized rule requires moderate additional volatility (fiscal activism) in government spending and public debt.
ВПЛИВ СТУПЕНЯ ОКИСЛЕННЯ НА ПРОТИЗНОШУВАЛЬНІ ВЛАСТИВОСТІ АВІАЦІЙНИХ ОЛИВ
Authors: Мікосянчик  Оксана , Якобчук  Олександр , Педан  Євген , Березівський  Назарій
Published: October 2023

Проведено аналіз впливу інтенсивності окиснення авіаційної оливи для осьових шарнірів втулок гвинтів вертольотів на її протизношувальні характеристики. Проаналізовано зміну мікротвердості поверхневих шарів металу при підвищенні кислотного числа оливи та визначено механізми знеміцнення. Обґрунтовано зменшення термінів періодичності контролю якості мастильного матеріалу при експлуатації, що забезпечить підвищення зносостійкості елементів трибоспряжень.