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Bone marrow adiposity (BMA) is associated with aging and osteoporosis, but whether BMA can predict bone loss and fractures remains unknown. Using data from the Age Gene/Environment Susceptibility (AGES)‐Reykjavik study, we investigated the associations between 1H‐MRS–based measures of vertebral bone marrow adipose tissue (BMAT), annualized change in bone density/strength by quantitative computed tomography...
Accurate prediction of the RUL (remaining useful life) of a degradation component is crucial to the PHM for an electronic system. Power MOSFETs are widely used as essential components of electronic and electrical subsystems and its degradation has got more and more attention. This paper introduces a prognostic method which based on relevance vector machine and a degradation model to predict the RUL...
The failure of ultracapacitors was significantly accelerated by elevated temperature or increased voltage. The voltages between different cells will be enlarged after a number of deep charging or discharging cycles due to the capacitance difference between the capacitor cells. This will accelerate the aging of the weak ultracapacitors and affect the output capability. In order to improve the reliability...
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