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1.
Podium (Pinar Río) ; 16(1): 275-290, tab, graf
Article Dans Espagnol | LILACS-Express | LILACS | ID: biblio-1155075

Résumé

RESUMEN Los estudios realizados en diferentes países demuestran que las características internas-biológicas y externas-sociales, determinan en el ritmo de desarrollo de los educandos. Sin embargo, luego de un análisis valorativo del "Programa de Enseñanza de atletismo", se constató que no se ha tenido en cuenta en la selección de las tareas, el crecimiento y desarrollo del atleta, su participación en la vida social como ciudadano y los cambios en los conocimientos, habilidades, sentimientos y las convicciones, lo cual demandó de los entrenadores, adecuaciones en el contenido de lo que se va a desarrollar en el entrenamiento deportivo, considerando la experiencia del atleta y su nivel de maduración. Es por ello que, se desarrolló el presente estudio con vista a determinar las invariantes de habilidades motrices en correspondencia con el desarrollo de las características externas e internas de los saltadores de longitud en la iniciación deportiva. Para dicho estudio se diagnosticaron a los entrenadores, especialistas y directivos del deporte atletismo en la provincia de Villa Clara mediante la aplicación de métodos como la revisión documental, entrevista, encuesta y el criterio de especialistas y usuarios, así como técnicas interactivas, que posibilitaron conformar el procedimiento metodológico, el cual le da una visión diferente a la manera en que se seleccionan las habilidades para el proceso de enseñanza-aprendizaje del salto de longitud en la actualidad.


RESUMO Estudos realizados em diferentes países mostram que as características internas-biológicas e externas-sociais determinam o ritmo de desenvolvimento dos estudantes. Contudo, após uma análise avaliativa do "Programa de Ensino de Atletismo", verificou-se que este não foi tido em conta na seleção de tarefas, no crescimento e desenvolvimento do atleta, na sua participação na vida social como cidadão e nas mudanças de conhecimentos, capacidades, sentimentos e convicções, o que exigiu dos treinadores, ajustamentos no conteúdo do que será desenvolvido no treino desportivo, considerando a experiência do atleta e o seu nível de amadurecimento. É por isso que o presente estudo foi desenvolvido a fim de determinar as invariantes das capacidades motoras em correspondência com o desenvolvimento das características externas e internas dos saltadores de longa distância na iniciação ao desporto. Para este estudo, técnicos, especialistas e gestores do desporto do atletismo na província de Villa Clara foram diagnosticados através da aplicação de métodos como a revisão documental, entrevista, inquérito e os critérios de especialistas e utilizadores, bem como técnicas interativas, que permitiram formar o procedimento metodológico, que dá uma visão diferente à forma como as competências são atualmente selecionadas para o processo de ensino-aprendizagem do salto em distância.


ABSTRACT Studies carried out in different countries show that internal-biological and external-social characteristics determine the pace of learner development. However, after an evaluation of the Athletics Education Program, it was found that the selection of tasks, the growth and development of the athlete, his/her participation in social life as a citizen and the changes in knowledge, skills, feelings and convictions have not been taken into account. That is why the present study was developed, with a view to determine the invariants of motor skills in correspondence with the development of the external and internal characteristics of long jumpers in sports initiation. For this study, methods such as documentary review, interview, survey and the criteria of specialists and users, as well as interactive techniques were used, which made possible to conform the methodological procedure, which gives a different vision to the way in which the abilities are selected for the teaching-learning process of the Long Jump at present.

2.
J Biosci ; 2012 Sep; 37 (4): 723-730
Article Dans Anglais | IMSEAR | ID: sea-161735

Résumé

Observation of leaf colour (spectral profiles) through remote sensing is an effective method of identifying the spatial distribution patterns of abnormalities in leaf colour, which enables appropriate plant management measures to be taken. However, because the brightness of remote sensing images varies with acquisition time, in the observation of leaf spectral profiles in multi-temporally acquired remote sensing images, changes in brightness must be taken into account. This study identified a simple luminosity normalization technique that enables leaf colours to be compared in remote sensing images over time. The intensity values of green and yellow (green+red) exhibited strong linear relationships with luminosity (R2>0.926) when various invariant rooftops in Bangkok or Tokyo were spectralprofiled using remote sensing images acquired at different time points. The values of the coefficient and constant or the coefficient of the formulae describing the intensity of green or yellow were comparable among the single Bangkok site and the two Tokyo sites, indicating the technique’s general applicability. For single rooftops, the values of the coefficient of variation for green, yellow, and red/green were 16% or less (n=6−11), indicating an accuracy not less than those of well-established remote sensing measures such as the normalized difference vegetation index. After obtaining the above linear relationships, raw intensity values were normalized and a temporal comparison of the spectral profiles of the canopies of evergreen and deciduous tree species in Tokyo was made to highlight the changes in the canopies’ spectral profiles. Future aspects of this technique are discussed herein.

3.
Educ. med. super ; 22(2): [1-7], abr.-jun. 2008. ilus
Article Dans Espagnol | LILACS | ID: lil-515692

Résumé

Proponer un sistema de núcleos conceptuales para ser abordados en el proceso docente-educativo de la asignatura Agentes Biológicos de la carrera de Medicina. Se realizó una investigación pedagógica en la Facultad Doctor Zoilo E Marinello Vidaurreta de Las Tunas durante los meses de noviembre y diciembre de 2005. Para determinar los elementos constituyentes del sistema se empleó la modelación. Con un enfoque sistémico se definieron los conceptos, se identificaron como invariantes a patogenia, diagnóstico directo y prevención, se determinaron y explicaron las interrelaciones entre estos y los demás conceptos del sistema.El análisis sistémico de los conceptos patogenia, diagnóstico directo y prevención como invariantes del sistema de conocimientos, permite el cumplimiento de los objetivos formativos de la asignatura Agentes Biológicos de la carrera de Medicina.


To propose a conceptual nuclei system to be approached in the teaching-educative process of the Biological Agents subject in the medical career. A pedagogical research was conducted in Doctor Zoilo E Marinello Vidaurreta Faculty in Las Tunas province during november-december, 2005. Modeling was used to determine the constituents of the system. The concepts were defined by a systemic approach. They were identified as invariants to pathogeny, direct diagnosis and prevention. The interrelationships among them and other concepts of the system were determined and explained.The systemic analysis of the concepts pathogeny, direct diagnosis and prevention as invariants of the knowledge system, allows the fulfillment of the formative goals of the Biological Agents subject in the medical career.


Sujets)
Apprentissage , Enseignement médical , Formation de concepts
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Détails de la recherche