منابع مشابه
Securing Digital Image Assets in Museums and Libraries: A Risk Management Approach
CONVENIENT IMAGE CAPTURE TECHNIQUES, inexpensive storage, and widely available dissemination methods have made digital images a convenient and easily available information format. This increased availability of images is accompanied by a need for solutions to the problems inherent in indexing them for retrieval. Unfortunately, to date, very little information has been available on why users sea...
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Redundant arrays of independent disks (RAID) provide an ecient stable storage system for parallel access and fault tolerance. The most common fault tolerant RAID architecture is RAID-1 or RAID-5. The disadvantage of RAID-1 lies in excessive redundancy, while the write performance of RAID-5 is only 1/4 of that of RAID-0. In this paper, we propose a high performance and highly reliable disk arra...
متن کاملUnderstanding Museums - Museums, education and visitor experience
Introduction: learning, the visiting experience and the art museum as educator, Des Griffin and Leon Paroissien ‘Protecting the past, safeguarding the future’: museum studies, the profession and museum practice in Australia, Jennifer Barrett What's driving children's cultural participation?, Barbara Piscitelli The museum education mix: students, teachers and museum educators, Janette Gr...
متن کاملTherapeutic surfactant-stripped frozen micelles
Injectable hydrophobic drugs are typically dissolved in surfactants and non-aqueous solvents which can induce negative side-effects. Alternatives like 'top-down' fine milling of excipient-free injectable drug suspensions are not yet clinically viable and 'bottom-up' self-assembled delivery systems usually substitute one solubilizing excipient for another, bringing new issues to consider. Here, ...
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We present optical and IR surface photometry of M51 (NGC 5194) at B V R I J K and CO(2.3μ). These data are used to establish whether K-band (2.2μ) images of spiral galaxies provide reliable maps of stellar surface mass density features such as massive spiral arms or bars. The main distorting agents in the mapping at shorter wavelengths are dust extinction and luminous young stars. From modeling...
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ژورنال
عنوان ژورنال: Nature
سال: 2011
ISSN: 0028-0836,1476-4687
DOI: 10.1038/480036a