Actitudes alimentarias y vulnerabilidad al modelo de delgadez transmitido por los medios de futuras maestras de educación primaria

La teoría sociocultural señala la importancia del modelo de belleza femenino transmitido por los medios en las actitudes hacia la alimentación. La presente investigación indaga sobre esta relación en una muestra de futuras maestras de primaria. Los resultados muestran una vulnerabilidad elevada hacia el modelo estético difundido por los medios y unas tendencias dietéticas poco saludables en este colectivo, apreciándose, además, una alta correlación entre estas dos variables

Memoria comercial y estudio sobre el desarrollo de los negocios.: Memoria comercial y estudio sobre el desarrollo de los negocios - Año 1932/1933 (28/06/1933)

Copia digital. Valladolid: : Junta de Castilla y León. Consejería de Cultura y Turismo, 2009-201

RR photons

Journal of High Energy Physics 2011.9 (2011): 110 reproduced by permission of Scuola Internazionale Superiore di Studi Avanzati (SISSA)Type II string compactifications to 4d generically contain massless Ramond-Ramond U(1) gauge symmetries. However there is no massless matter charged under these U(1)’s, which makes a priori difficult to measure any physical consequences of their existence. There is however a window of opportunity if these RR U(1)’s mix with the hypercharge U(1)Y (hence with the photon). In this paper we study in detail different avenues by which U(1)RR bosons may mix with D-brane U(1)’s. We concentrate on Type IIA orientifolds and their M-theory lift, and provide geometric criteria for the existence of such mixing, which may occur either via standard kinetic mixing or via the mass terms induced by Stückelberg couplings. The latter case is particularly interesting, and appears whenever D-branes wrap torsional p-cycles in the compactification manifold. We also show that in the presence of torsional cycles discrete gauge symmetries and Aharanov-Bohm strings and particles appear in the 4d effective action, and that type IIA Stückelberg couplings can be understood in terms of torsional (co)homology in M-theory. We provide examples of Type IIA Calabi-Yau orientifolds in which the required torsional cycles exist and kinetic mixing induced by mass mixing is present. We discuss some henomenological consequences of our findings. In particular, we find that mass mixing may induce corrections relevant for hypercharge gauge coupling unification in F-theory SU(5) GUT’

Calendario de ferias y mercados de Zamora y provincia, año 1969

Copia digital. Valladolid : Junta de Castilla y León. Consejería de Cultura y Turismo, 2009-201

Memoria: Año 1928

Copia digital. Valladolid : Junta de Castilla y León. Consejería de Cultura y Turismo, 2009-201

Security and privacy issues in implantable medical devices: A comprehensive survey

Bioengineering is a field in expansion. New technologies are appearing to provide a more efficient treatment of diseases or human deficiencies. Implantable Medical Devices (IMDs) constitute one example, these being devices with more computing, decision making and communication capabilities. Several research works in the computer security field have identified serious security and privacy risks in IMDs that could compromise the implant and even the health of the patient who carries it. This article surveys the main security goals for the next generation of IMDs and analyzes the most relevant protection mechanisms proposed so far. On the one hand, the security proposals must have into consideration the inherent constraints of these small and implanted devices: energy, storage and computing power. On the other hand, proposed solutions must achieve an adequate balance between the safety of the patient and the security level offered, with the battery lifetime being another critical parameter in the design phase

Chromium-rich vanadio-oxy-dravite from the Tzarevskoye uranium–vanadium deposit, Karelia, Russia. A second world-occurrence of Al–Cr–V–oxy-tourmaline

A green tourmaline sample from the Tzarevskoye uranium–vanadium deposit, close to the Srednyaya Padma deposit, Lake Onega, Karelia Republic, Russia, has been found to be the second world-occurrence of Cr-rich vanadio-oxy-dravite in addition to the Pereval marble quarry, Sludyanka crystalline complex, Lake Baikal, Russia, type-locality. From the crystal-structure refinement and chemical analysis, the following empirical formula is proposed: X(Na0.96K0.02□0.02)Σ1.00 Y(V1.34Al0.68Mg0.93Cu2+0.02Zn0.01Ti0.01)Σ3.00 Z(Al3.19Cr1.36V0.03Mg1.42)Σ6.00(TSi6O18)(BBO3)3V(OH)3W[O0.60(OH)0.23F0.17]Σ1.00. Together with the data from the literature, a compositional overview of Al–V–Cr–Fe3+-tourmalines is provided by using [6]Al–V–Cr–Fe3+ diagrams for tourmaline classification. These diagrams further simplify the tourmaline nomenclature as they merge the chemical information over the octahedrally-coordinated sites (Y and Z) by removing the issues of uncertainty associated with cation order–disorder across Y and Z. Results show the direct identification of tourmalines by using the chemical data alone