منابع مشابه
CAVERN: A Distributed Architecture for Supporting Scalable Persistence and Interoperability in Collaborative Virtual Environments
CAVERN, the CAVE Research Network, is an alliance of industrial and research institutions equipped with CAVE s, ImmersaDesks, and high-performance computing resources all interconnected by high-speed networks to support collaboration in design, training, scientific visualization, and computational steering, in virtual reality. CAVERNsoft is the common collaborative software architecture for CAV...
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See related article, pages 3222–3230. Since the introduction of noninvasive imaging tools roughly 30 years ago, vascular malformations of the brain have attracted increasing interest. Among them, cerebral cavernous malformations (CCM) appear to be the most frequently diagnosed entity with current prevalence estimates ranging from 100 to 500 cases per 100 000 in the general population.1 They may...
متن کاملA Geographic Information Systems Approach to the 19th Century Excavation of Brixham Cavern, Devon, England
The oldest known spatially-explicit archaeological excavation, conducted in Brixham cave, Devon, in 1858, is reconstructed using geographic information systems technology. Two dimensional plots of individual fossil taxa and flint artefacts demonstrate the utility of the technique for elucidating taphonomy and palaeobiology.The cave served as a den for hibernating brown bears, as a den for hyena...
متن کاملVentilation-induced massive lethal air embolism and subcutaneous emphysema in a patient with a lung cavern.
The simultaneous occurrence of subcutaneous emphysema and intravascular air due to an air embolism is a rare condition. Here, we report a patient with COPD who developed a severe episode of hemoptysis due to rupture of a previously undiagnosed lung cavern. Intubation and ventilation led to the development of both massive subcutaneous emphysema and a massive air embolism, resulting from aspirati...
متن کاملReliability analysis of serviceability performance for an underground cavern using a non-intrusive stochastic method
This paper proposes a non-intrusive stochastic analysis procedure for reliability analysis of the serviceability performance of an underground cavern with an implicit limit state function. This procedure is formulated on the basis of the stochastic response surface method (SRSM) and the deterministic finite element method. First, the SRSM is briefly introduced and implemented through a MATLAB c...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1883
ISSN: 0036-8733
DOI: 10.1038/scientificamerican10131883-225