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In this paper, we present a wavelet-based multigrid approach to solve the perturbation equation encountered in optical tomography. With this scheme, the unknown image, the data, as well as the weight matrix are all represented by wavelet expansions, thus yielding a multiresolution representation of the original perturbation equation in the wavelet domain.(More)
Countermeasures are desirable to retard bone loss during long-term space flight. We evaluated the effect of an intervention protocol on bed rest-induced bone loss. We developed a resistive vibration exercise (RVE) platform to test if an intervention RVE protocol would be effective to protect bed rest-induced bone loss. Fourteen male subjects were assigned(More)
To explore a new predictor of renal flares after successful inductive treatment for diffuse proliferative glomerulonephritis(DPGN) in patients with lupus nephritis. A cohort of patents with SLE DPGN who were treated initially with prednisone and cyclophosphamide were studied. Those who responded to inductive treatment were followed up for the occurrence of(More)
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Acoustic manipulation has been widely studied and applied in many research and industry fields. Recently Surface Acoustic Wave (SAW) technology, because of its energy concentration and easy integration, has become more and more popular in microfluidics. In this paper, we fabricated our SAW chips and setup a SAW-based acoustic manipulation system. To study(More)
In this paper, the four integral identities satisfied by the fundamental solution for elasto-static problems are reviewed and slightly different forms of the third and fourth identities are presented. Two new identities, namely the fifth and sixth identities, are derived. These integral identities can be used to develop weakly singular and nonsingular forms(More)