中文摘要：目的：建立醒脑酊的质量控制方法。
Objective: To establish the method for quality control of Xingnao tinctures.
中文摘要在无刷直流电机控制中，转子位置的检测至关重要。
The detection of rotor position plays an important part in the control of BLDCM.
中文摘要：目的：制备低分子质量的壳聚糖并建立相应的质量控制手段。
Objective: to prepare the low molecular weight chitosan and establish the method for quality control.
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