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This paper describes the approach taken for the reliability analyses, including probabilistic risk assessments (PRAs), of the Lunar Reconnaissance Orbiter (LRO) that have been performed concurrently with the designs to identify problem areas and ensure corrective actions were taken in a timely manner. The LRO is a large system with more than 14,000(More)
This paper defines the notion of key inventors - those whose patenting is simultaneously highly productive and also widely cited. By implication, key inventors should be the leaders in any developing new field and we investigate the validity of the notion through an exploration of two emerging technological fields: fuel cell and nanotechnology. The nature(More)
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