2) ultrasound extracting procedure
超声提取工艺
1.
Orthogonal test for optimization of omniseunoside ultrasound extracting procedure from Folium Senua;
用正交试验研究番泻叶中总番泻苷的超声提取工艺
3) ultrasonic-assisted solvent extraction technology
超声辅助溶剂提取工艺
4) ultrasonic extraction
超声波提取
1.
Technology of the ultrasonic extraction of avermectin B_(1a);
超声波提取阿维菌素B_(1a)的工艺
2.
Determination of Pyrethroids Residues in Tea by High Performance Liquid Chromatography with Ultrasonic Extraction;
超声波提取-高效液相色谱测定茶叶中拟除虫菊酯农药残留
3.
Ultrasonic extraction on yellow pigment from rapeseed flowers and antiseptic application in apple juice;
超声波提取油菜花黄色素及其防腐作用研究
5) Ultrasonic wave extraction
超声波提取
1.
Three different extraction methods,including conventional solvent extraction,ultrasonic wave extraction and microwave-assisted extraction were compared.
研究对比了常规溶剂浸提、超声波提取及微波辅助提取等方法对原花青素提取得率的影响。
2.
The results indicated that the best technological conditions of extracting the total flavonoids from the stems and leaves of yellow ginger by ultrasonic wave extraction were:ethanol concentration 85%,ratio of solid to liquid 1:30,and extracting time 60min.
实验结果表明:黄姜茎叶总黄酮超声波提取的最佳工艺条件为:乙醇浓度为85%,料液比(g/mL)为1∶30,超声波提取时间为60min。
3.
Experiment was conducted on total flavonoid from flower bud of Chrysanthemum indicum with water as solvent by ultrasonic wave extraction.
以总黄酮为指标,以水为溶剂采用超声波提取技术,通过单因素试验和正交试验确定菊米的最佳提取方法。
补充资料：超声
超声
UltrasofliCS
是指超出人耳听力范围的高频声(频率超过20000Hz）。超声具有与一般声音共同的物理性质，还具有一些其他重要的物理特性，如能够成束发射，直线传导，方向性好。传导过程中遇有声阻抗不同的反射界面时产生反射、折射、聚焦和散焦等现象。用于临床诊断的超声频率一般为2～7.5MHz。频率越高，对组织结构的分辨力越强，但远场声能容易被组织吸收、衰减，不易穿透较深的层次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条