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OBJECTIVE To study, the high polar media-water extraction process of Herba epimedii with the microwave technology. METHOD The single parameters of extraction process was investigated with dry extract yield and extraction efficiency of icariin as content index. RESULT Through studying the single parameter, the optimal conditions are as follows: 70%(More)
The lifting scheme provides us a powerful tool for constructing biorthogonal wavelets. Meanwhile, it is a new explanation of first generation wavelets, i.e., any first generation wavelets filter can be decomposed into some lifting steps. A method of decomposing biorthogonal wavelets filters into lifting steps by solving equations is presented in this paper.(More)
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