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Development of non-invasive methods for quantitating the bone mass is important in the diagnosis and treatment of many skeletal diseases, particularly for osteoporosis. As standard roentgenographic methods can not detect early osteoporosis, presently quantitative computed tomography (QCT), and single, and dual photon absorptiometry (SPA and DPA) are being used to monitor the skeletal health of elderly...
A novel mixed gases (NO2 and CO) measurement system with SAW gas sensor array and two — step signal processing method has been developed to improve the selectivity and precision of the mixed gases measurement. Functional materials, sensing film coating techniques, and optimum sensor design have been studied. Sensor array has been constructed and two-step signal processing with neural network is put...
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