Shiqing Hu

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OBJECTIVE To study the preparation of anemonin from Ranunculus japonicus Thunb. METHODS The best conditions of preparation for anemonin were optimized with monosyllabic experiments, such as using the purity of anemonin as a index for best selection of dying tempreture and the extraction ratio as another index for the concentration of NaCl and extracting(More)
Data analysis and mining is an important paradigm for educational assessment. But most of the existing solutions are based on direct mining of random structured log files. Therefore there exist some key issues like low efficiency, complex calculation formula, and difficult to provide vivid feedback. This paper presents an innovative approach of defining(More)
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