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    Wyświetlanie 1-9 z 9
    Tytuł:
    The Culture of Peace in Adult Education: Its Epistemological Bases from the Jesuit Philosophy
    Kultura pokoju w edukacji dorosłych: jej epistemologiczne podstawy z filozofii jezuitów
    Autorzy:
    López Limón, Álvaro Luis
    Zhizhko, Elena Anatolievna
    García, Laura Gemma Flores
    Powiązania:
    https://bibliotekanauki.pl/articles/1373246.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie. Instytut Spraw Społecznych
    Tematy:
    foundations of education for peace
    Jesuit pedagogy
    the idea of reconciliation of modernity with tradition
    the thought of Francisco Javier Clavijero
    filozoficzne podstawy edukacji dla pokoju
    pedagogika jezuitów
    dziedzictwo naukowe Francisa Javiera Clavijero
    pomysł eklektyczne podejście do badań naukowych
    Opis:
    This work constitutes a historical-pedagogical reflection focusing on the philosophical foundations of Jesuit pedagogy or education for peace through the thought of Francisco Javier Clavijero, in particular, his works Ancient History of Mexico and Particular Physics. The authors studying Clavijero found that his thought included the following foundations of education for peace: eclectic attitude expressed in a search for the reconciliation of modernity with tradition; the use of verisimilitude as a criterion of knowledge in the process of adjustment to the truth within the philosophy of nature and history; and a belief in the knowledge of the different philosophical systems, in which the truth is found. According to Clavijero, education, at first, represents means or a pretext to refute the insults of European philosophers concerning the supposed inferiority of Mexicans, based on the reason. Education could be understood as the principle on which a political-social system is based, in this case of the society of ancient Mexicans. Education is the resource that enables the transmission of laws and customs, in short, a worldview of the world, which can be understood in terms more typical of culture.
    Prezentowana praca jest wynikiem badań historycznych i pedagogicznych, których celem było określenie filozoficznych podstaw edukacji dla pokoju poprzez udokumentowaną i bibliograficzną analizę naukowego dziedzictwa wybitnego przedstawiciela zakonu katolickiego jezuitów Francisa Javiera Klavihero, w szczególności jego dzieł „Starożytna historia Meksyku” i „Fizyka specjalna”. Autorzy odkryli, że podstawową edukacją na rzecz pokoju są następujące pomysły Claviero: eklektyczne podejście do badań naukowych poprzez integrację innej wizji rzeczywistości, a mianowicie współczesności i tradycji; wykorzystywać w procesie poznania prawdy kryteriów różnych systemów filozoficznych; kierunek procesu wiedzy w kanale filozofii przyrody i historii. Według Claviero obraz rdzennych Meksykanów, przedstawicieli starożytnych wysoko rozwiniętych cywilizacji Ameryki, został niesprawiedliwie upokorzony przez niektórych europejskich filozofów oświecenia. W swoich pismach Claviero rozumie świat jako ważny element systemu społecznego każdego kraju i analizuje strukturę edukacyjną starożytnych Meksykanów, bada zasady, na których się opiera. W przypadku Claviero edukacja jest mechanizmem umożliwiającym przekazywanie praw i zwyczajów, światopoglądu, tradycji i kultury w ogóle.
    Źródło:
    Labor et Educatio; 2020, 8; 95-108
    2353-4745
    2544-0179
    Pojawia się w:
    Labor et Educatio
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Relationship between body composition and bone mineral density in American football players
    Relación entre composición corporal y densidad mineral ósea en jugadores de fútbol americano
    Autorzy:
    López García, Ricardo
    Lagunes Carrasco, José Omar
    Carranza García, Luis Enrique
    Navarro Orocio, Ricardo
    Powiązania:
    https://bibliotekanauki.pl/articles/1491262.pdf
    Data publikacji:
    2020-12-27
    Wydawca:
    Atena Research Association
    Tematy:
    Fútbol americano
    mineral óseo
    masa magra
    DEXA
    IMC.
    American football
    bone mineral density
    lean mass
    BMI
    Opis:
    Objetivos: El objetivo de este estudio fue relacionar el índice de masa corporal (IMC) y la composición corporal con la densidad mineral ósea (DMO) en jugadores de fútbol americano universitario. Métodos: Participaron un total de 90 jugadores (22.44 + 1.71 años de edad), de la liga mayor de fútbol americano universitario en México. Se utilizó el equipo de la absorciometría dual de rayos X (DEXA), en la cual se obtuvieron los valores del IMC, masa grasa, masa magra, masa total y la DMO. Resultados: Los jugadores que presentaron un mayor IMC obtuvieron una mayor DMO. Conclusiones: si observamos que la mayoría de los jugadores suelen tener problemas de sobrepeso y obesidad, encontramos que la masa grasa no se asocia con la DMO, es decir, que el jugador a pesar de tener un peso corporal elevado, su beneficio de la elevada DMO se debe a la alta cantidad de masa magra.
    Objectives: The objective of this study was to assess the relation between body composition and body mass index (BMI) to bone mineral density (BMD) in college American football players. Methods: A total of 90 players (22.44 + 1.71 years old) from the major college football league in Mexico participated. The dual-energy X-ray absorptiometry (DEXA) equipment was used, in which the values of BMI, fat mass, lean mass, total mass and BMD were obtained. Findings: Players who had higher BMI got higher BMD. The strongest significant positive correlations found were lean mass, body weight, and BMI with BMD of the arms, legs, trunk, and spine. Conclusions: Most of the players analyzed had problems of excess weight and obesity, however, those who had a higher BMI such as obesity type I, II and III had also higher BMD than those with excess weight and normal weight, with significant differences in the regions of arms, legs, spine and total body.
    Źródło:
    Atena Journal of Sports Sciences; 2021, 3; 2-2
    2695-4486
    Pojawia się w:
    Atena Journal of Sports Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Non‐linear model‐based predictive control for trajectory tracking and control effort minimization in a smartphone‐based quadrotor
    Autorzy:
    García, Luis
    Rosero, Esteban
    Powiązania:
    https://bibliotekanauki.pl/articles/27314228.pdf
    Data publikacji:
    2022
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    quadrotor
    model-based predictive control
    smartphone
    trajectory tracking
    energy consumption
    Opis:
    In this paper, the design and implementation of a nonlinear model‐based predictive controller (NMPC) for predefined trajectory tracking and to minimize the control effort of a smartphone‐based quadrotor are developed. The optimal control actions are calculated in each iteration by means of an optimal control algorithm based on the non‐linear model of the quadrotor, considering some aerodynamic effects. Control algorithm implementation and simulation tests are executed on a smartphone using the CasADi framework. In addition, a technique for estimating the energy consumed based on control signals is presented. NMPC controller performance was compared with other works developed towards the con‐ trol of quadrotors, based on an H∞ controller and an LQI controller, and using three predefined trajectories, where the NMPC average tracking error was around 50% lower, and average estimated power and energy consumption slightly higher, with respect to the H∞ and LQI controllers.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2022, 16, 4; 13--18
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multicriteria analysis for the determination of the exploitability index of industrial aggregate outcrops
    Autorzy:
    Fernandez-Maroto, Gema
    de luis-Ruiz, Julio Manuel
    Pereda-Garcia, Raul
    Malagon-Picon, Beatriz
    Perez-Alvarez, Ruben
    Powiązania:
    https://bibliotekanauki.pl/articles/219924.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    GIS
    wskaźnik wykorzystania
    analiza wielokryterialna
    agregat przemysłowy
    exploitability index
    multicriteria analysis
    industrial aggregates
    Opis:
    Geographical Information Systems have become essential tools for land analysis and the subsequent decision making in many fields of human activity. In the field of mining, GIS applications have appeared in ore deposit modelling, environmental pollution, or planning of mining spaces. In this research, the powerful multicriteria tools of GIS platforms have been applied for the determination of an index that has been called “Exploitability Index”. This index allows analyzing a series of outcrops of industrial aggregates, to help in the selection of the most adequate one to be enhanced from a mining approach. The multicriteria analysis has been applied for its determination, and as a result of this research, a model is proposed. The main criteria that condition the decision have been established in this model, along with their subsequent hierarchization and their weighting. The proposed model is applied to a specific case: the analysis of a series of outcrops of industrial aggregates (ophites) in Cantabria, Spain. After defining the Exploitability Index for those ophitic outcrops, it has been observed that the only deposit that has been classified as very suitable for its exploitation is the only one that has been really exploited, supporting the proposed methodology.
    Źródło:
    Archives of Mining Sciences; 2020, 65, 1; 103-115
    0860-7001
    Pojawia się w:
    Archives of Mining Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Linking Traits and Personal Constructs: An Exploratory Study throughout Levels of Personality
    Autorzy:
    Martínez, Jesús García
    Cano-García, Francisco J.
    Rodríguez-Franco, Luis
    Buero-Gallego, Milagros
    Alcocer-Gómez, Elísabet
    Guerrero-Gómez, Rafael
    Powiązania:
    https://bibliotekanauki.pl/articles/2128612.pdf
    Data publikacji:
    2019-03-28
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    Personality
    Levels of Personality
    Traits
    Personal Constructs
    Big Five Model
    Repertory Grid Technique
    McAdams’ Model
    Implicative Dilemmas
    Opis:
    This article presents a preliminary study of links between personal constructs and traits. The conceptual framework for this study is the domains of personality model postulated by McAdams (1995) and McAdams & Pals (2006), and we tried to find concomitances between variables of two different levels, the dispositional level and the identity level. A repertory grid and the NEOFFI inventory were distributed to a total of 273 individuals, 146 representing the general population, and 137 having pathologies. By applying an exploratory design ex post facto in which Pearson’s correlations and ANOVAs were used, we found associations between the content of the constructs used and the traits. The neuroticism trait was most closely related to the content of the constructs. There were also clear associations between construct structure and scores on traits. Neurotic subjects were more rigid, whereas agreeable and conscientious subjects were more complex. However, the type of sample (normal or pathological) is a basic modulator of the relationships between constructs and traits.
    Łączenie cech i konstruktów osobistych. Eksploracyjne studium poziomów osobowości This article presents a preliminary study of links between personal constructs and traits. The conceptual framework for this study is the domains of personality model postulated by McAdams (1995) and McAdams & Pals (2006), and we tried to find concomitances between variables of two different levels, the dispositional level and the identity level. A repertory grid and the NEOFFI inventory were distributed to a total of 273 individuals, 146 representing the general population, and 137 having pathologies. By applying an exploratory design ex post facto in which Pearson’s correlations and ANOVAs were used, we found associations between the content of the constructs used and the traits. The neuroticism trait was most closely related to the content of the constructs. There were also clear associations between construct structure and scores on traits. Neurotic subjects were more rigid, whereas agreeable and conscientious subjects were more complex. However, the type of sample (normal or pathological) is a basic modulator of the relationships between constructs and traits.
    Źródło:
    Roczniki Psychologiczne; 2009, 12, 1; 57-80
    1507-7888
    Pojawia się w:
    Roczniki Psychologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Intellectual and cognitive structures of the agricultural competitiveness research under climate change and structural transformation
    Autorzy:
    García-Agüero, Ana-Isabel
    Teran-Yepez, Eduardo
    Batlles-delaFuente, Ana
    Belmonte-Ureña, Luis J.
    Camacho-Ferre, Francisco
    Powiązania:
    https://bibliotekanauki.pl/articles/39829629.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Badań Gospodarczych
    Tematy:
    agriculture
    competitiveness
    bibliographic coupling
    co-word analysis
    thematic structure
    current research trends
    sustainable agriculture
    Opis:
    Research background: Although agricultural competitiveness is not a new topic, it is worth noting that it has recently come back to the attention of researchers due to various factors such as climate change, food security, price uncertainty, or structural transformation. Consequently, a growing number of articles have emerged on this subject, leading to shifts in overarching research trends and the structure of research within this domain. Purpose of the article: This study aims to facilitate a comprehensive understanding of the research constituents within the field of agricultural competitiveness. Additionally, it seeks to unveil the intellectual and cognitive frameworks spanning the years 1990 to 2022. This exploration will enable the identification of thematic clusters that both shape and guide the field, shedding light on current research trends. Methods: This research employs bibliometric analysis, specifically employing performance analysis and science mapping techniques like bibliographic coupling and co-word analyses. These tools are harnessed to scrutinize the constituents of research and the underlying intellectual and cognitive structures inherent to the agricultural competitiveness field. A dataset of 622 articles from the Web of Science database was subjected to analysis using the VOSviewer software. Findings & value added: The findings prominently illustrate a notable surge in research activity within this domain, with a substantial proportion of articles originating from the United States. The study further identifies six distinct research topics within agricultural competitiveness: (1) energy efficiency and bioenergy, (2) price fluctuation, uncertainty, and market behavior, (3) structural transformation of agriculture, (4) rural development, (5) policy issues, and (6) climate change. Moreover, the research offers insights into potential future research avenues. The uniqueness and value of this work stem from its pioneering approach, being the first to synthesize agricultural competitiveness research through an amalgamation of bibliometric techniques. Furthermore, the study contributes substantially to the theoretical advancement of agricultural competitiveness research.
    Źródło:
    Oeconomia Copernicana; 2023, 14, 4; 1175-1209
    2083-1277
    Pojawia się w:
    Oeconomia Copernicana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Feasibility study for a fuel cell-powered unmanned aerial vehicle with a 75 kg payload
    Autorzy:
    Desantes, José M.
    Novella, Ricardo
    García-Cuevas, Luis M.
    Lopez-Juarez, Marcos
    Powiązania:
    https://bibliotekanauki.pl/articles/36455727.pdf
    Data publikacji:
    2022
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
    Tematy:
    Unmanned Aerial Vehicle
    fuel cell
    hydrogen
    optimization
    Opis:
    Among the possible electric powerplants currently driving low-payload UAVs (up to around 10 kg of payload), batteries offer certain clear benefits, but for medium-payload operation such as aerotaxis and heavy-cargo transportation UAVs, battery capacity requirements restrict their usage due to high weight and volume. In light of this situation, fuel cell (FC) systems (FCS) offer clear benefits over batteries for the medium-payload UAV segment (> 50 kg). Nevertheless, studies regarding the application of FCS powerplants to this UAV segment are limited and the in-flight performance has not been clearly analysed. In order to address this knowledge gap, a feasibility analysis of these particular applications powered by FCS is performed in this study. A validated FC stack model (40 kW of maximum power) was integrated into a balance of plant to conform an FCS. As a novelty, the management of the FCS was optimized to maximize the FCS efficiency at different altitudes up to 12500 ft, so that the operation always implies the lowest H2 consumption regardless of the altitude. In parallel, an UAV numerical model was developed based on the ATLANTE vehicle and characterized by calculating the aerodynamic coefficients through CFD simulations. Then, both models were integrated into a 0D-1D modelling platform together with an energy management strategy optimizer algorithm and a suitable propeller model. With the preliminary results obtained from the FCS and UAV models, it was possible to ascertain the range and endurance of the vehicle. As a result, it was concluded that the combination of both technologies could offer a range over 600 km and an endurance over 5 h. Finally, with the integrated UAV-FCS model, a flight profile describing a medium altitude, medium endurance mission was designed and used to analyse the viability of FC-powered UAV. The results showed how UAVs powered by FCS are viable for the considered aircraft segment, providing competitive values of specific range and endurance.
    Źródło:
    Transactions on Aerospace Research; 2022, 2 (267); 13-30
    0509-6669
    2545-2835
    Pojawia się w:
    Transactions on Aerospace Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Discrete uncertainty quantification for offline reinforcement learning
    Autorzy:
    Pérez Torres, Jose Luis
    Corrochano Jiménez, Javier
    García, Javier
    Majadas, Rubén
    Ibañez-Llano, Cristina
    Pérez, Sergio
    Fernández, Fernando
    Powiązania:
    https://bibliotekanauki.pl/articles/23944835.pdf
    Data publikacji:
    2023
    Wydawca:
    Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
    Tematy:
    off-line reinforcement learning
    uncertainty quantification
    machine learning
    Opis:
    In many Reinforcement Learning (RL) tasks, the classical online interaction of the learning agent with the environment is impractical, either because such interaction is expensive or dangerous. In these cases, previous gathered data can be used, arising what is typically called Offline RL. However, this type of learning faces a large number of challenges, mostly derived from the fact that exploration/exploitation trade-off is overshadowed. In addition, the historical data is usually biased by the way it was obtained, typically, a sub-optimal controller, producing a distributional shift from historical data and the one required to learn the optimal policy. In this paper, we present a novel approach to deal with the uncertainty risen by the absence or sparse presence of some state-action pairs in the learning data. Our approach is based on shaping the reward perceived from the environment to ensure the task is solved. We present the approach and show that combining it with classic online RL methods make them perform as good as state of the art Offline RL algorithms such as CQL and BCQ. Finally, we show that using our method on top of established offline learning algorithms can improve them.
    Źródło:
    Journal of Artificial Intelligence and Soft Computing Research; 2023, 13, 4; 273--287
    2083-2567
    2449-6499
    Pojawia się w:
    Journal of Artificial Intelligence and Soft Computing Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Blood lead determinants and the prevalence of neuropsychiatric symptoms in firearm users in Mexico
    Autorzy:
    Aguilar Madrid, Guadalupe
    Téllez-Cárdenas, Liliana
    Juárez-Pérez, Cuauhtémoc A.
    Haro-García, Luis C.
    Mercado-García, Adriana
    Gopar-Nieto, Rodrigo
    Cabello-López, Alejandro
    Powiązania:
    https://bibliotekanauki.pl/articles/2177065.pdf
    Data publikacji:
    2015-11-12
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    neuropsychiatric symptoms
    occupational exposure
    lead exposure
    blood lead
    firearms
    heavy metal toxicity
    Opis:
    Objectives To identify blood lead predictors and the prevalence of neuropsychiatric symptoms in firearm users of public security in Mexico. Material and Methods A cross-sectional study was performed on 65 males. We obtained socio-occupational data and determined venous blood lead (blood (B), lead (Pb) – BPb), as well as neuropsychiatric symptoms using the Q-16 questionnaire. A multiple linear regression model was constructed to assess determinants of BPb. Results The mean age in the study group was 34.8 years (standard deviation (SD) = 6.9, range: 21–60); the mean number of years spent in the company amounted to 14 years (SD = 8.5, range: 1–48). Twenty percent of the respondents (N = 13) used leaded glazed clay pottery (lead (Pb), glazed (G), and clay pottery (C) – PbGC) in the kitchen. During practice they fired a mean of 72 shots (SD = 60, range: 20–250), and during their whole duration of employment 5483 shots (SD = 8322.5, range: 200–50 000). The mean BPb was 7.6 μg/dl (SD = 6.8, range: 2.7–51.7). Two caretakers from the firing range had 29.6 μg/dl and 51.7 μg/dl BPb. The subjects who had shooting practice sessions ≥ 12 times a year reported a greater percentage of miscarriages in their partners (24% vs. 0%). Twelve percent of the respondents showed an increase in neuropsychiatric symptoms. The BPb multiple linear regression model explained R² = 44.15%, as follows: those who had ≥ 12 practice sessions per year – β = 0.5339 and those who used PbGC – β = 0.3651. Conclusions Using firearms and PbGC contributes to the increased BPb in the studied personnel. The determinants of BPb were: shooting practices >12 times a year and using PbGC. Blood lead concentrations reported in the study, despite being low, are a health risk, as evidenced by the prevalence of neuropsychiatric symptoms.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2016, 29, 2; 219-228
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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