2,896 research outputs found
Visual politics of the estado novo realized on the Alameda Dom Afonso Henriques in Lisbon – the construction of ideal citizenship?
The stylistic categorization of the Estado Novo has been intensely discussed by Portuguese art historians. The square Alameda Dom Afonso Henriques in Lisbon (Alameda) can be seen as paradigmatic for the architecture of power of the Estado Novo. The Alameda forms a gardened valley between two hills. There you find two prominent and highly propagandist buildings: The Instituto Superior Técnico (IST) and the Fonte Luminosa are dedicated to modern sciences and respectively to the harmonious contribution of nature to the city. The iconography of the Alameda as well as its incorporation into the propagandist use of urban planning in the 1930s and 1940s exemplify the visual politics during Salazarism. Urban planning programs intended to create cities that would preserve the character of a traditional catholic society and at the same time answer to the need to modernize the country and evoke the image of a progressive state. Thus, public buildings and urban squares such as the Alameda contributed to design a corporate image and to the ‘spirit’ of the regime.Fundação para a Ciência e a Tecnologia (FCT), Fundação Millennium bc
Disordered Bose Einstein Condensates with Interaction in One Dimension
We study the effects of random scatterers on the ground state of the
one-dimensional Lieb-Liniger model of interacting bosons on the unit interval
in the Gross-Pitaevskii regime. We prove that Bose Einstein condensation
survives even a strong random potential with a high density of scatterers. The
character of the wave function of the condensate, however, depends in an
essential way on the interplay between randomness and the strength of the
two-body interaction. For low density of scatterers or strong interactions the
wave function extends over the whole interval. High density of scatterers and
weak interaction, on the other hand, leads to localization of the wave function
in a fragmented subset of the interval
Semantic web of building information: Cloud based ‘real world’ building data
Information required by practicing architects, engineers, construction managers, building operators, asset managers, owners, and users becomes more and more distributed, detailed, and richer. BIG DATA is on the rise and this trend will not stop. We rather expect that this trend will further accelerate in the upcoming years as;more and more sensor technologies will become widely available to access existing conditions in the built environment,more and more information streams will be combined for various purposes, e.g. mobile data access information to space use in order to evaluate wireless infrastructure performance but also to establish building use patterns in post-occupancy evaluations, advanced design tools will allow for more detailed data-driven simulation of an increasing number of design alternatives in shorter time spans, and participatory efforts will involve an ever larger number of specialists and non-specialists that all provide information that needs to be accounted for during design and construction planning.We expect that these will be key areas for research in the upcoming years. In this lighthouse project we made four important first steps to enable such research:3TU BIM Data RepositoryData format, standard, and dictionary mapInformation use and exchange processesAutomated indexing method
Zugang ist nicht gleich Zugang - Verläufe, Bedingungen und Ebenen des Feldzugangs in ethnografischen Forschungen
In empirical social research, access to the field is regarded as an important step in the research process and, in ethnographical research, a crucial challenge. Typically, questions and answers about access remain so general that there are few standards in place. In the contribution at hand, questions concerning access to the field are analyzed in a more differentiated manner on the basis of data from an ethnographical study on adolescent peer groups, thereby centering on various characteristics and problems of these groups. In doing so, it can be shown that access to a research field has to be ensured throughout the duration of the study and that its organization reflects the participants and the status of the researcher, e.g. as participating observer or observing participant. In addition, there are different dimensions of access to be differentiated that contribute to generate information.Der Feldzugang gilt in der empirischen Sozialforschung als wichtiger Schritt im Forschungsprozess und wird vor allem in der ethnografischen Forschung als eine zentrale Herausforderung angesehen. In der Regel werden die damit verbundenen Fragen lediglich allgemein diskutiert, sodass man den verschiedenen Aspekten des Zugangs kaum gerecht wird. Im vorliegenden Beitrag werden Fragen des Feldzugangs auf der Grundlage des Datenmaterials einer ethnografischen Untersuchung zu jugendlichen Peergroups differenzierter untersucht. Dabei kann gezeigt werden, dass der Zugang zu einem Forschungsfeld im gesamten Erhebungsprozess immer wieder gewährleistet werden muss und dass er sich je nach beteiligten Akteur*innen und in Abhängigkeit vom Status der Forschenden unterschiedlich gestaltet. Zudem lassen sich verschiedene Dimensionen des Zugangs unterscheiden, die jeweils dazu beitragen, Informationen generieren zu können
Isotropic thermal expansion in anisotropic thermal management composites filled with carbon fibres and graphite
Light materials with high thermal conductivity and low thermal expansion have a wide application potential for the thermal management of high-performance electronics, in particular in mobile and aerospace applications. We present here metal matrix composites with a mixture of graphite flakes and pitch-based carbon fibres as filler. The production by spark plasma sintering orients the filler particles on to a plane perpendicular to the pressing axis. The obtained materials have lower density than aluminium combined with a thermal conductivity significantly outperforming the used metal matrix. Depending on the ratio of the filler components, a low thermal expansion along the pressing direction (high graphite flakes content) or across the pressing direction (high carbon fibre content) is achieved. For a 1:3 ratio of carbon fibres to graphite, we measured an isotropic reduction of the thermal expansion of the matrix by up to 55%. We present a detailed characterisation of composites with two aluminium alloys as matrix and an overview of the properties for six different metal matrices including magnesium and copper. With the goal of a technical application, we show that the described properties are intrinsic to the material compositions and are achieved with a wide spectrum of production methods
Identification of mineralocorticoid receptor target genes in the mouse hippocampus
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Progress and Poverty—1965 Version
The first hard X-ray laser, the Linac Coherent Light Source (LCLS), produces 120 shots per second. Particles injected into the X-ray beam are hit randomly and in unknown orientations by the extremely intense X-ray pulses, where the femtosecond-duration X-ray pulses diffract from the sample before the particle structure is significantly changed even though the sample is ultimately destroyed by the deposited X-ray energy. Single particle X-ray diffraction experiments generate data at the FEL repetition rate, resulting in more than 400,000 detector readouts in an hour, the data stream during an experiment contains blank frames mixed with hits on single particles, clusters and contaminants. The diffraction signal is generally weak and it is superimposed on a low but continually fluctuating background signal, originating from photon noise in the beam line and electronic noise from the detector. Meanwhile, explosion of the sample creates fragments with a characteristic signature. Here, we describe methods based on rapid image analysis combined with ion Time-of-Flight (ToF) spectroscopy of the fragments to achieve an efficient, automated and unsupervised sorting of diffraction data. The studies described here form a basis for the development of real-time frame rejection methods, e. g. for the European XFEL, which is expected to produce 100 million pulses per hour. (C)2014 Optical Society of Americ
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