Frozen Images
Mostrando 1-12 de 19 artigos, teses e dissertações.
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1. Design of a computer aided quick-stop device for study of dead metal zone formation
The use of quick-stop device allows observing a sequence of frozen images focused on the chip formation area when machining in orthogonal turning tests. This work records the development of a quick-stop device employing a servo motor. The present invention relates generally to a quick stop device, for combination with a cutting machine that is able to abrupt
J. Braz. Soc. Mech. Sci. & Eng.. Publicado em: 2012-12
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2. Escafandristas do tempo: narrativas de vida e regeneração da memória em São Rafael-RN
In the late 1970s, the semi-arid region of Rio Grande do Norte was the setting of Projeto Baixo-Açu whose highlight was the building of the dam Eng. Armando Ribeiro Gonçalves, designed to collect 2.4 billion cubic meters of water. Presumably, such an initiative would bring economic and social development for thousands of potiguares who suffered the hardshi
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 01/04/2011
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3. Arranjos fotográficos, arranjos familiares : representações sociais em retratos de família do Foto Bianchi (Ponta Grossa 1910 1940)
The picture of family groups, as well as other groups, is one way to spread Imaging speeches and emphasized social relations that were frozen at the moment there portrayed. The practice of families of using the photographer to get group pictures remained for much of the 20th century in the city of Ponta Grossa. It is understood that the families that put a p
Publicado em: 2009
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4. Alterações da matriz extracelular do fígado, baço e linfonodos cervicais de cães naturalmente infectados com Leishmania (Leishmania) chagasi
The aim of this work was study the extracellular matrix alterations in liver, spleen and cervical lymph nodes in dogs naturally infected with Leishmania (Leishmania) chagasi correlating with clinical aspects, histological, parasitological and immunological. This study was carried out with 30 dogs, divided at three groups: ten not infected animals (group cont
Publicado em: 2008
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5. Corpo sitiado..., a comunicação invisível: dança, rodas e poéticas
O aumento da exposição midiática de imagens de corpos cadeirantes promove a impressão de colaborar para a inclusão social do corpo que nomeamos de deficiente. Todavia, a ação das nomeações consagradas pela imprensa, como a de pcd (pessoa com deficiência), opera justamente no sentido contrário, midiatizando a deficiência, transformando-a em um est
Publicado em: 2007
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6. Head-to-head comparison of dipyridamole, dobutamine and pacing stress echocardiography for the detection of myocardial ischemia in an animal model of coronary artery stenosis
To compare the sensitivity of dipyridamole, dobutamine and pacing stress echocardiography for the detection of myocardial ischemia we produced a physiologically significant stenosis in the left circumflex artery of 14 open-chest dogs (range: 50 to 89% reduction in luminal diameter). In each study, dobutamine (5 to 40 µg kg-1 min-1 in 3-min stages) and pacin
Brazilian Journal of Medical and Biological Research. Publicado em: 2001-07
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7. Image sampling in static telepathology for frozen section diagnosis.
BACKGROUND: A frozen section diagnostic service is often not directly available in small rural or mountain hospitals. In these cases, it could be possible to provide frozen section diagnosis through telepathology systems. Telepathology is based on two main methods: static and dynamic. The former is less expensive, but involves the crucial problem of image sa
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8. Flash and smash: rapid freezing of muscle fibers activated by photolysis of caged ATP.
A new approach was used to study transient structural states of cross-bridges during activation of muscle fibers. Rabbit skinned muscle fibers were rapidly and synchronously activated from the rigor state by photolysis of caged ATP in the presence of Ca2+. At several different times during the switch from rigor to fully active tension development, the fibers
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9. Molecular orientation of bacteriorhodopsin within the purple membrane of Halobacterium halobium.
The direction of orientation of the protein bacteriorhodopsin within the purple membrane of Halobacterium halobium has been determined by selected-area electron diffraction of membranes preferentially oriented by adsorption to polylysine. Purple membrane is known to adsorb preferentially to polylysine by its cytoplasmic surface at neutral pH and by its extra
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10. The projection structure of EmrE, a proton-linked multidrug transporter from Escherichia coli, at 7 Å resolution
EmrE belongs to a family of eubacterial multidrug transporters that confer resistance to a wide variety of toxins by coupling the influx of protons to toxin extrusion. EmrE was purified and crystallized in two dimensions by reconstitution with dimyristoylphosphatidylcholine into lipid bilayers. Images of frozen hydrated crystals were collected by cryo-electr
Oxford University Press.
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11. Identification of macromolecular complexes in cryoelectron tomograms of phantom cells
Electron tomograms of intact frozen-hydrated cells are essentially three-dimensional images of the entire proteome of the cell, and they depict the whole network of macromolecular interactions. However, this information is not easily accessible because of the poor signal-to-noise ratio of the tomograms and the crowded nature of the cytoplasm. Here, we descri
National Academy of Sciences.
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12. Cathepsin D detected by automated and quantitative immunohistochemistry in breast carcinomas: correlation with overall and disease free survival.
AIM: To determine the prognostic significance and clinical relevance of cathepsin D detected by immunocytochemical assays (ICAs) in breast carcinomas. METHODS: 151 patients presenting with palpable or impalpable breast carcinomas and who had not received any kind of adjuvant chemotherapy or endocrine therapy who were operated from January 1986 to May 1987 we