P. Ni

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Sr-contained calcium hydroxyapatite (SrCaHA) cement is a potential biomaterial for in vivo bone repair and surgery fixation due to its excellent biodegradability, bioactivity, biocompatibility, easily shaping and self-hardening. We had ever reported the in vitro physiochemical properties, biocompatibility and in vivo degradability of the SrCaHA cement(More)
Simultaneous localization and mapping (SLAM) is concerned to be the key point to realize the real autonomy of mobile robot. Unscented Kalman filter (UKF) is widely applied in SLAM problem because of its directly using of nonlinear model. Concerning that square root filter can ensure non-negative definite of the covariance matrix, this article introduced a(More)
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