997 resultados para indirizzo :: 784 :: Geoingegneria


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Contiene: Gu??a funcional, explicativa de las unidades que componen la caja -- Tema I: Introducci??n -- Temas II y III: Evaluaci??n I y II -- Temas IV y V: Respuesta educativa I y II -- Tema VI: Escuela-familia -- Gr??ficos, incluye transparencias y carteles -- Video

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Se expone la opinión de Arturo Valenzuela, profesor del Colegio 'Miguel de Cervantes' de Caravaca (Murcia), asistente al Cursillo Práctico de Ciencias Naturales que se impartió en el Instituto 'Ramiro de Maetzu' y organizado por el Centro de Orientación Didáctica de Enseñanza Media, y cuyo objetivo fue enseñar nuevas técnicas y métodos en la Enseñanza Media.

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Resumen basado en el de la publicación

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Modificar las condiciones que generan inadaptaciones o desajustes en el alumnado. Asesorar a los centros desde la sensibilización a las desigualdades, integrando a través del PCC la acción coeducativa. Propiciar la igualdad entre los sexos en el currículum abierto y oculto. Optimizar en los alumnos, un desarrollo equilibrado de su personalidad a nivel afectivo, cognitivo y de destrezas, que potencie el autoconocimiento, la autoestima y la madurez personal. Potenciarles también recursos suficientes que propicien su propia autoorientación mediante un asesoramiento vocacional de carácter procesual. Fomentar la cooperación centro-familias, promoviendo la formación de las mismas en temas igualitarios. 527 alumnos (249 chicos y 278 chicas) de 2. de BUP de dos centros de bachillerato de Castellón ciudad. 2 etapas. En la etapa A se explora la conducta vocacional previa, para ello: seleccionan el nivel educativo de la muestra, analizan la muestra respecto de las variables académico-aptitudinales, motivacionales y actitudinales, ante la toma de decisión; analizan las variables familiares respecto a su composición, nivel socio-cultural y estereotipos de género; analizan el centro, desde la variable sexo, en la distribución de cargos y/o responsabilidades. Respecto a la etapa B de asesoramiento al alumnado para la toma de decisión vocacional con implicación personal y sin estereotipos de género: se estudia la participación de la muestra en el sistema de autoayuda vocacional; se analiza la conducta y el desarrollo vocacional a través del sistema de asesoramiento técnico; y se profundiza en determinados componentes de la conducta para evidenciar cómo chicos/chicas llegan a la toma de decisión desde la perspectiva de género. -Sistema de autoayuda vocacional, pruebas: 1. Biodatos. 2. Cuestionario de intereses vocacionales. 3. Cuestionario de preferencias vocacionales. 4. Rejilla vocacional. 5. Estilos de decisión vocacional. 6. Factores de decisión vocacional. 7. Madurez para la decisión vocacional. 8. Minibatería aptitudinal. -Intervenciones grupales. Porcentajes. 1. Datos referidos al desarrollo y conducta vocacional en la adolescencia en el análisis de la toma de decisión vocacional de chicos y chicas ante la opcionalidad, que les permite la identificación con estudios y/o profesiones futuras evidenciando factores de influencia en la toma de decisión vocacional desde la perspectiva de género y que les dirige hacia proyectos de vida personales y vocacionales igualitarios. 2. Aportación de un diseño de intervención psicopedagógica para la toma de decisión vocacional que incluye en sus planteamientos al alumnado, familias y centro adaptado al segundo ciclo de la Educación Secundaria Obligatoria.

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Este trabajo propone un itinerario didáctico entre Miranda de Ebro y Ezcaray con un aprovechamiento interdisciplinario del entorno. Los objetivos que se pretenden son los siguientes: 1) Metodológicos: participación de los alumnos, observación del paisaje, un aprendizaje sobre el terreno de los conocimientos expuestos en el aula y la interdisciplinaridad; 2) De conocimiento: referente a las Ciencias Naturales y a la Formación Humanística; 3) De actitud: fomentar el desarrollo de la sociabilidad y empatía del alumno. Incluye mapas de ruta y un guión para el alumno.

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Analiza las reformas de primera generación impulsadas por el Banco Mundial en la década de los 90. que no alcanzaron sus objetivos generando en la región etapas de recesión y crisis y aumento de la pobreza. Estudia las reformas de segunda generación, el rol del Estado y la necesidad de fortalecer las instituciones

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Las islas Galápagos son mucho más que los títulos y reconocimientos que las han hecho populares en el ámbito mundial. Detrás de la imagen de naturaleza casi prístina, se encuentran unas islas habitadas cuya dinámica social desborda muchas veces lo esperado, con comunidades humanas que afrontan diversas problemáticas que no son aleatorias sino producto de un modelo de desarrollo inequitativo impulsado en diferentes instancias nacionales e internacionales. Esta investigación establece la relación entre el diseño de políticas públicas y el desencadenamiento de conflictos socioambientales en las islas, y analiza la conformación de un imaginario externo como la causa de muchos problemas presentes, entre ellos la aspiración local de conseguir un mayor grado de desarrollo. También se enfoca en el rol del Estado ecuatoriano a lo largo del siglo XX, la creación del Parque Nacional, la posterior provincialización de las islas, y las consecuencias de esta doble figura y de las nuevas fuentes de conflicto dentro del débil marco de gobernanza local y nacional. Finalmente, se analiza el caso específico de la designación del director del Parque Nacional Galápagos, y se perfilan alternativas para que los actores locales enfrenten estos nuevos desafíos.

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The prediction of extratropical cyclones by the European Centre for Medium Range Weather Forecasts (ECMWF) and the National Centers for Environmental Prediction (NCEP) Ensemble Prediction Systems (EPS) is investigated using a storm-tracking forecast verifica-tion methodology. The cyclones are identified and tracked along the forecast trajectories so that statistics can be generated to determine the rate at which the position and intensity of the forecasted cyclones diverge from the corresponding analysed cyclones with forecast time. Overall the ECMWF EPS has a slightly higher level of performance than the NCEP EPS. However, in the southern hemisphere the NCEP EPS has a slightly higher level of skill for the intensity of the storms. The results from both EPS indicate a higher level of predictive skill for the position of extratropical cyclones than their intensity and show that there is a larger spread in intensity than position. The results also illustrate several benefits an EPS can offer over a deterministic forecast.

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This study evaluates computer-generated written explanations about drug prescriptions that are based on an analysis of both patient and doctor informational needs. Three experiments examine the effects of varying the type of information given about the possible side effects of the medication, and the order of information within the explanation. Experiment 1 investigated the effects of these two factors on people's ratings of how good they consider the explanations to be and of their perceived likelihood of taking the medication, as well as on their memory for the information in the explanation. Experiment 2 further examined the effects of varying information about side effects by separating out the contribution of number and severity of side effects. It was found that participants in this study did not “like” explanations that described severe side effects, and also judged that they would be less likely to take the medication if given such explanations. Experiment 3 therefore investigated whether information about severe side effects could be presented in such a way as to increase judgements of how good explanations are thought to be, as well as the perceived likelihood of adherence. The results showed some benefits of providing additional explanatory information.

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1. The feeding rates of many predators and parasitoids exhibit type II functional responses, with a decelerating rate of increase to reach an asymptotic value as the density of their prey or hosts increases. Holling's disc equation describes such relationships and predicts that the asymptotic feeding rate at high prey densities is set by handling time, while the rate at which feeding rate increases with increased prey density is determined by searching efficiency. Searching efficiency and handling time are also parameters in other models which describe the functional response. Models which incorporate functional responses in order to make predictions of the effects of food shortage thus rely upon a clear understanding and accurate quantification of searching efficiency and handling time. 2. Blackbird Turdus merula exhibit a type II functional response and use pause-travel foraging, a foraging technique in which animals search for prey while stationary and then move to capture prey. Pause-travel foraging allows accurate direct measurement of feeding rate and both searching efficiency and handling time. We use Blackbirds as a model species to: (i) compare observed measures of both searching efficiency and handling time with those estimated by statistically fitting the disc equation to the observed functional response; and (ii) investigate alternative measures of searching efficiency derived by the established method where search area is assumed to be circular and a new method that we propose where it is not. 3. We find that the disc equation can adequately explain the functional response of blackbirds feeding on artificial prey. However, this depends critically upon how searching efficiency is measured. Two variations on the previous method of measuring search area (a component of searching efficiency) overestimated searching efficiency, and hence predicted feeding rates higher than those observed. Two variations of our alternative approach produced lower estimates of searching efficiency, closer to that estimated by fitting the disc equation, and hence more accurately predicted feeding rate. Our study shows the limitations of the previous method of measuring searching efficiency, and describes a new method for measuring searching efficiency more accurately.

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Objectives: This study reports the cost-effectiveness of a preventive intervention, consisting of counseling and specific support for the mother-infant relationship, targeted at women at high risk of developing postnatal depression. Methods: A prospective economic evaluation was conducted alongside a pragmatic randomized controlled trial in which women considered at high risk of developing postnatal depression were allocated randomly to the preventive intervention (n = 74) or to routine primary care (n = 77). The primary outcome measure was the duration of postnatal depression experienced during the first 18 months postpartum. Data on health and social care use by women and their infants up to 18 months postpartum were collected, using a combination of prospective diaries and face-to-face interviews, and then were combined with unit costs ( pound, year 2000 prices) to obtain a net cost per mother-infant dyad. The nonparametric bootstrap method was used to present cost-effectiveness acceptability curves and net benefit statistics at alternative willingness to pay thresholds held by decision makers for preventing 1 month of postnatal depression. Results: Women in the preventive intervention group were depressed for an average of 2.21 months (9.57 weeks) during the study period, whereas women in the routine primary care group were depressed for an average of 2.70 months (11.71 weeks). The mean health and social care costs were estimated at 2,396.9 pound per mother-infant dyad in the preventive intervention group and 2,277.5 pound per mother-infant dyad in the routine primary care group, providing a mean cost difference of 119.5 pound (bootstrap 95 percent confidence interval [Cl], -535.4, 784.9). At a willingness to pay threshold of 1,000 pound per month of postnatal depression avoided, the probability that the preventive intervention is cost-effective is .71 and the mean net benefit is 383.4 pound (bootstrap 95 percent Cl, -863.3- pound 1,581.5) pound. Conclusions: The preventive intervention is likely to be cost-effective even at relatively low willingness to pay thresholds for preventing 1 month of postnatal depression during the first 18 months postpartum. Given the negative impact of postnatal depression on later child development, further research is required that investigates the longer-term cost-effectiveness of the preventive intervention in high risk women.

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The present study examined the effects of a pre-movement delay on the kinematics of prehension in middle childhood. Twenty-five children between the ages of 5 and 11 years made visually open-loop reaches to two different sized objects at two different distances along the midline. Reaches took place either (i) immediately, or (ii) 2 s after the occlusion of the stimulus. In all age groups, reaches following the pre-movement delay were characterised by longer movement durations, lower peak velocities, larger peak grip apertures and longer time spent in the final slow phase of the movement. This pattern of results suggests that the representations that control the transport and grasp component are affected similarly by delay, and is consistent with the results previously reported for adults. Such representations therefore appear to develop before the age of 5. (C) 2004 Elsevier B.V. All rights reserved.

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Time-resolved kinetic studies of silylene, SiH2, generated by laser flash photolysis of phenylsilane, have been carried out to obtain rate constants for its bimolecular reactions with oxirane, oxetane, and tetrahydrofuran (THF). The reactions were studied in the gas phase over the pressure range 1-100 Torr in SF6 bath gas, at four or five temperatures in the range 294-605 K. All three reactions showed pressure dependences characteristic of third-body-assisted association reactions with, surprisingly, SiH2 + oxirane showing the least and SiH2 + THF showing the most pressure dependence. The second-order rate constants obtained by extrapolation to the high-pressure limits at each temperature fitted the Arrhenius equations where the error limits are single standard deviations: log(k(oxirane)(infinity)/cm(3) molecule(-1) s(-1)) = (-11.03 +/- 0.07) + (5.70 +/- 0.51) kJ mol(-1)/RT In 10 log(k(oxetane)(infinity)/cm(3) molecule(-1) s(-1)) = (-11.17 +/- 0.11) + (9.04 +/- 0.78) kJ mol(-1)/RT In 10 log(k(THF)(infinity)/cm(3) molecule(-1) s(-1)) = (-10.59 +/- 0.10) + (5.76 +/- 0.65) kJ mol(-1)/RT In 10 Binding-energy values of 77, 97, and 92 kJ mol(-1) have been obtained for the donor-acceptor complexes of SiH2 with oxirane, oxetane, and THF, respectively, by means of quantum chemical (ab initio) calculations carried Out at the G3 level. The use of these values to model the pressure dependences of these reactions, via RRKM theory, provided a good fit only in the case of SiH2 + THF. The lack of fit in the other two cases is attributed to further reaction pathways for the association complexes of SiH2 with oxirane and oxetane. The finding of ethene as a product of the SiH2 + oxirane reaction supports a pathway leading to H2Si=O + C2H4 predicted by the theoretical calculations of Apeloig and Sklenak.

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A global archive of high-resolution (3-hourly, 0.58 latitude–longitude grid) window (11–12 mm) brightness temperature (Tb) data from multiple satellites is being developed by the European Union Cloud Archive User Service (CLAUS) project. It has been used to construct a climatology of the diurnal cycle in convection, cloudiness, and surface temperature for all regions of the Tropics. An example of the application of the climatology to the evaluation of the climate version of the U.K. Met. Office Unified Model (UM), version HadAM3, is presented. The characteristics of the diurnal cycle described by the CLAUS data agree with previous observational studies, demonstrating the universality of the characteristics of the diurnal cycle for land versus ocean, clear sky versus convective regimes. It is shown that oceanic deep convection tends to reach its maximum in the early morning. Continental convection generally peaks in the evening, although there are interesting regional variations, indicative of the effects of complex land–sea and mountain–valley breezes, as well as the life cycle of mesoscale convective systems. A striking result from the analysis of the CLAUS data has been the extent to which the strong diurnal signal over land is spread out over the adjacent oceans, probably through gravity waves of varying depths. These coherent signals can be seen for several hundred kilometers and in some instances, such as over the Bay of Bengal, can lead to substantial diurnal variations in convection and precipitation. The example of the use of the CLAUS data in the evaluation of the Met. Office UM has demonstrated that the model has considerable difficulty in capturing the observed phase of the diurnal cycle in convection, which suggests some fundamental difficulties in the model’s physical parameterizations. Analysis of the diurnal cycle represents a powerful tool for identifying and correcting model deficiencies.

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Climate models consistently predict a strengthened Brewer–Dobson circulation in response to greenhouse gas (GHG)-induced climate change. Although the predicted circulation changes are clearly the result of changes in stratospheric wave drag, the mechanism behind the wave-drag changes remains unclear. Here, simulations from a chemistry–climate model are analyzed to show that the changes in resolved wave drag are largely explainable in terms of a simple and robust dynamical mechanism, namely changes in the location of critical layers within the subtropical lower stratosphere, which are known from observations to control the spatial distribution of Rossby wave breaking. In particular, the strengthening of the upper flanks of the subtropical jets that is robustly expected from GHG-induced tropospheric warming pushes the critical layers (and the associated regions of wave drag) upward, allowing more wave activity to penetrate into the subtropical lower stratosphere. Because the subtropics represent the critical region for wave driving of the Brewer–Dobson circulation, the circulation is thereby strengthened. Transient planetary-scale waves and synoptic-scale waves generated by baroclinic instability are both found to play a crucial role in this process. Changes in stationary planetary wave drag are not so important because they largely occur away from subtropical latitudes.