893 resultados para animation series
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Cuaderno de trabajo para el área de comprensión verbal dirigido a niños del ciclo superior de educación infantil y primaria. Dividido en siete partes destinadas a familiarizar al niño con algunas operaciones aritméticas básicas a través de numerosos ejercicios comprensivos cuyas soluciones se presentan al final del cuadernillo: estrategias de cálculo mental, conceptos básicos, signos matemáticos, seriaciones numéricas y resolución de problemas. Se acompañan de presentaciones variadas y atractivas para estimular el interés del niño y evitar que se aburra. Se ofrecen breves normas para el seguimiento del proceso de aprendizaje del niño.
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Publicación para orientar al profesor para realizar una práctica reflexiva de las matemáticas: Pensar en lo que hace y por qué lo hace, qué modelo de enseñanza está utilizando, conocimiento de lo que está intentando conseguir y por qué, cómo se aplica en situaciones específicas de enseñanza, cómo hacer un buen uso de los recursos y cómo evaluar eficazmente los avances de los alumnos para lograr una enseñanza eficaz. Tiene un acceso a un sitio Web donde se pueden encontrar: videos de ejemplos reales de profesores con experiencia, donde se muestran las habilidades que se necesitan para impartir con éxito las lecciones; enlaces a sitios que ofrecen apoyos útiles; planificaciones y recursos materiales.
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Resumen tomado de la publicación
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Resumen basado en el de la publicación. Memoria de master (Universidad de las Palmas de Gran Canaria, 2010)
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Este artículo pertenece a una sección de la revista dedicada a investigación
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El artículo pertenece a una sección de la revista dedicada a investigación. - Resumen tomado parcialmente de la revista.
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El artículo pertenece a una sección de la revista dedicada a investigación.
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El artículo pertenece a una sección de la revista dedicada a Investigaciones
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Resumen tomado de la publicaci??n. Resumen en ingl??s. Monogr??fico: Textos y contextos de la televisi??n
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Resumen tomado de la publicación
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Resumen tomado de la publicaci??n.
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In this paper we extend the reuse of paths to the shot from a moving light source. In the classical algorithm new paths have to be cast from each new position of a light source. We show that we can reuse all paths for all positions, obtaining in this way a theoretical maximum speed-up equal to the average length of the shooting path
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Initial convergence of the perturbation series expansion for vibrational nonlinear optical (NLO) properties was analyzed. The zero-point vibrational average (ZPVA) was obtained through first-order in mechanical plus electrical anharmonicity. Results indicated that higher-order terms in electrical and mechanical anharmonicity can make substantial contributions to the pure vibrational polarizibility of typical NLO molecules
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The objective of this paper is to introduce a diVerent approach, called the ecological-longitudinal, to carrying out pooled analysis in time series ecological studies. Because it gives a larger number of data points and, hence, increases the statistical power of the analysis, this approach, unlike conventional ones, allows the complementation of aspects such as accommodation of random effect models, of lags, of interaction between pollutants and between pollutants and meteorological variables, that are hardly implemented in conventional approaches. Design—The approach is illustrated by providing quantitative estimates of the short-termeVects of air pollution on mortality in three Spanish cities, Barcelona,Valencia and Vigo, for the period 1992–1994. Because the dependent variable was a count, a Poisson generalised linear model was first specified. Several modelling issues are worth mentioning. Firstly, because the relations between mortality and explanatory variables were nonlinear, cubic splines were used for covariate control, leading to a generalised additive model, GAM. Secondly, the effects of the predictors on the response were allowed to occur with some lag. Thirdly, the residual autocorrelation, because of imperfect control, was controlled for by means of an autoregressive Poisson GAM. Finally, the longitudinal design demanded the consideration of the existence of individual heterogeneity, requiring the consideration of mixed models. Main results—The estimates of the relative risks obtained from the individual analyses varied across cities, particularly those associated with sulphur dioxide. The highest relative risks corresponded to black smoke in Valencia. These estimates were higher than those obtained from the ecological-longitudinal analysis. Relative risks estimated from this latter analysis were practically identical across cities, 1.00638 (95% confidence intervals 1.0002, 1.0011) for a black smoke increase of 10 μg/m3 and 1.00415 (95% CI 1.0001, 1.0007) for a increase of 10 μg/m3 of sulphur dioxide. Because the statistical power is higher than in the individual analysis more interactions were statistically significant,especially those among air pollutants and meteorological variables. Conclusions—Air pollutant levels were related to mortality in the three cities of the study, Barcelona, Valencia and Vigo. These results were consistent with similar studies in other cities, with other multicentric studies and coherent with both, previous individual, for each city, and multicentric studies for all three cities