Compared with the ultrasonic extraction and water bath extraction method, the microwave-assisted extraction was time saving and more efficient.
与超声波提取法和水浴提取法相比，微波辅助提取法具有快速、高效的优势。
The efficiency, stability and repeatability of ultrasonic extraction were better than water bath reflux extraction.
超声提取王不留行刺桐碱的提取效率、稳定性和重复性都优于水浴回流提取法。
Microwave, water bath and ultrasonic extraction were employed to extract the polysaccharide from Pyrus Betulaefolia Bge. leaf and anthrone-sulphuric acid colorimetry was used to determine its content.
分别采用微波、水浴及超声波3种方法提取杜梨叶片多糖，用蒽酮-硫酸比色法测定多糖的含量。
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