Importancia del colegio para la prevención del sobrepeso y la obesidad en minorías étnicas

En el presente Trabajo de Fin de Grado se trata la problemática del sobrepeso y la obesidad centrándose sobre todo en los niños y más concretamente la etnia gitana, por un docente especialista en Educación Física. Además se ha llevado a cabo una investigación en el C.E.I.P Cristóbal Colón de Valladolid. Dicha investigación se centra en averiguar la alimentación de los niños de ocho a trece años gitanos del colegio y algunos de sus hábitos alimenticios, además de compararlo con la población marroquí y contrastar la información con los padres. Estas enfermedades cada vez son más comunes en nuestra sociedad y no son nada buenas por los problemas de salud que acarrean, por ello hay que actuar.Grado en Educación Primari

The future of information and libraries. Interview with Eric Lease Morgan

To some degree the Open Access Initiative has failed, because too few people, even in the library profession, know of its existence. More marketing should be done, thus making more people aware of it. MARC became obsolete and has to be superseded by xml-based standards. With the advent of Google, people don’t have any problems finding information. Instead they have problems knowing what to do with once they acquire it. A next generation library catalog should allow people to first find items in a library collection, and then to use the information in some way. Public libraries are devoted to their community. If they focus too much on books, then their future is less positive. If they think in terms of data, information, and knowledge, their future is only as limited as their imagination

Shock wave study and theoretical modeling of the thermal decomposition of c-C4F8

The thermal dissociation of octafluorocyclobutane, c-C4F8, was studied in shock waves over the range 1150-2300 K by recording UV absorption signals of CF2. It was found that the primary reaction nearly exclusively produces 2 C2F4 which afterwards decomposes to 4 CF2. A primary reaction leading to CF2 + C3F6 is not detected (an upper limit to the yield of the latter channel was found to be about 10 percent). The temperature range of earlier single pulse shock wave experiments was extended. The reaction was shown to be close to its high pressure limit. Combining high and low temperature results leads to a rate constant for the primary dissociation of k1 = 1015.97 exp(-310.5 kJ mol-1/RT) s-1 in the range 630-1330 K, over which k1 varies over nearly 14 orders of magnitude. Calculations of the energetics of the reaction pathway and the rate constants support the conclusions from the experiments. Also they shed light on the role of the 1,4-biradical CF2CF2CF2CF2 as an intermediate of the reaction.Fil: Cobos, Carlos Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; ArgentinaFil: Hintzer, K.. Dyneon Gmbh; AlemaniaFil: Sölter, L.. Universität Göttingen; AlemaniaFil: Tellbach, E.. Universität Göttingen; AlemaniaFil: Thaler, A.. Dyneon Gmbh; AlemaniaFil: Troe, J.. Universität Göttingen; Alemania. Max-Planck-Institut fu¨r biophysikalische Chemie; Alemani

Theoretical study of the electronic spectrum of disulfur monoxide

The near ultraviolet-visible absorption spectrum of disulfur monoxide (S2O) has been theoretically studied by using the time-dependent density functional theory (TD-DFT) and the equation of motion coupled-cluster singles and doubles approach (EOM-CCSD) combined with the AUG-cc-PVQZ basis set. From this, analytical expressions for the absorption coefficient over the 250 - 340 nm range are reported for the first time. The computed molecular structure and the vibrational frequencies for the ground and third electronically excited state S2O (C1A′), responsible of the observed spectrum, are compared with available data.Facultad de Ciencias ExactasInstituto de Investigaciones Fisicoquímicas Teóricas y Aplicada

Theoretical Study of the Absorption Spectrum and the Thermochemistry of the CF3OSO3 Radical

The UV-visible absorption spectrum of the recently reported CF3OSO3 radical has been studied by using the time-dependent generalization of the density functional theory (TDDFT). For this a set of eleven hybrid functionals combined with the 6-311+G(3df) basis set were employed. The main features of the three experimental absorption bands of CF3OSO3 recorded over the 220-530 nm range are well reproduced by the calculations. A dissociation enthalpy for the CF3O-SO3 bond of 19.1 kcal mol-1 is predicted at the BAC-G3MP2//B3LYP/6-311+G(3df) level of theory.Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicada

Theoretical Study of the Absorption Spectrum and the Thermochemistry of the CF3OSO3 Radical

The UV-visible absorption spectrum of the recently reported CF3OSO3 radical has been studied by using the time-dependent generalization of the density functional theory (TDDFT). For this a set of eleven hybrid functionals combined with the 6-311+G(3df) basis set were employed. The main features of the three experimental absorption bands of CF3OSO3 recorded over the 220-530 nm range are well reproduced by the calculations. A dissociation enthalpy for the CF3O-SO3 bond of 19.1 kcal mol-1 is predicted at the BAC-G3MP2//B3LYP/6-311+G(3df) level of theory.Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicada

Theoretical determination of the rate constant of the CCl2 + CCl2 → C2Cl4 association reaction

En un estudio previo se determinó la constante de velocidad de la reacción CCl2+CCl2 → C2Cl4 empleando la técnica de fluorescencia inducida por láser. En el presente trabajo determinamos mediante el modelo de los canales estadísticamente adiabáticos la constante de velocidad de este proceso en el régimen de alta presión. Se empleó la teoría del funcional de la densidad para determinar las propiedades moleculares de los reactivos y del complejo activado. Entre 300 K y 2000 K se obtuvo la siguiente expresión k∞ = (1,5 ± 0,4) x 10-12 x (T / 300K) (0.50±0.07) exp[-(260 ± 10) K/T] cm3 molécula-1 s-1. El valor a temperatura ambiente está en muy buen acuerdo con el valor experimental determinado en nuestro laboratorio.In a previous work we used the laser induced fluorescence technique to determine the rate constant of the CCl2 + CCl2 association reaction. In the present work we determined by the statistical adiabatic channel model the temperature dependence of the rate constant in the high pressure regime. The density functional theory was used to characterize the properties of the parent molecules and the activated complex. Within 300 K and 2000 K we obtained the following expression k∞ = (1,5 ± 0,4) x 10-12 x (T / 300K)(0.50±0.07) exp[- (260 ± 10) K/T] cm3 molécula-1 s-1. The value at room temperature is in very good agreement with the experimental value obtained in our laboratory.Fil: Gómez, Nicolás Damián. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; ArgentinaFil: Azcárate, María Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; ArgentinaFil: Codnia, Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Investigación y Desarrollo Estratégico para la Defensa. Ministerio de Defensa. Unidad de Investigación y Desarrollo Estratégico para la Defensa; ArgentinaFil: Cobos, Carlos Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Argentin

Big Data versus Better Queries: analítica web práctica para servicios de información

There are outlined some stages and tools in the quantitative analysis of information services, on their users as well as on their funds, and the integration of the distinct analysis on the information services management and the optimization of the libraries practices using the inner and extern data that the service has at disposal, with possible practical applications in web analytics, cybermetrics, data mining and text mining, which is called “bibliomining”

Combination of internal and external search log analysis for forecasting of seasonality of queries to enhance websites redesign

Effectiveness of longitudinal search analytics is studied, in the sense that search log analysis can be used as a tool to enhance website information architecture. A methodology of analysis is described, obtaining the seasonality of queries through the combination of studies on internal search logs (from internal search engines) and external search logs (from Google). Results show that a better information architecture produces better information retrieval results, both for external or internet search engines and for internal search engine

Search analytics: how and what users are looking for

Some examples of search terms and phrases used by Google users, which are available free of charge on the Google Adwords service, are discussed. The analysis of why and how the public searches for information can offer interesting guidelines for deciding particular subject headings in libraries, and for search engine optimization (SEO) to improve the position of a website in the search engine results pages