The researchers used water and an ultrasonic extraction process, followed by gas chromatography-mass spectrometry to quantify the amount of cocaine in more than 230 bills collected in 17 cities.
研究人员从17个城市收集到230张纸币样本，并使用水和超声波提取方法，再加上气相色谱分析-质谱法对样本进行测试。
Objective:To optimize the ultrasonic extraction for ursolic acid from Paulownia tomentosa(Thunb.
目的：确定毛泡桐中乌索酸的最佳超声提取工艺条件。
Objective to compare impregnation, extraction back to normal, continuous circumfluence, ultrasonic extraction, complex method of extraction of berberine hydrochloride in the Chinese extraction rate.
目的比较浸渍法、一般回流提取法、连续回流法、超声提取法、复合方法提取黄连中盐酸小檗碱的提取率。
The optimum ultrasonic extraction were: A2B1C2D3.
超声提取的最佳条件A 2 B 1C2D3。
Method: the optimizing ultrasonic extraction condition on the basis of extractive yield and flavonoids were determined by orthogonal design.
方法：采用正交试验法，以浸膏得率和总黄酮含量为考察指标，对杭白菊的超声提取条件进行优选。
The optimum ultrasonic extraction technology of trigonelline in pumpkin flesh was studied.
研究超声波法提取南瓜果肉胡芦巴碱最优工艺条件。
Compared with ultrasonic extraction (UE), the amount of extraction solvent and extraction time can be reduced when the UNE was applied.
与传统的超声萃取法相比，超声雾化萃取法具有溶剂用量较小、萃取时间较短的优势。
Methods HPLC was used to determine rutin and nuciferine in lotus leaves after ultrasonic extraction in 14 kinds of different sources and 5 kinds of different collecting tome.
方法采用HPLC法对14个不同来源和本市产的5个不同采收时间的荷叶进行超声提取后，分别测定提取物中芦丁和荷叶碱的含量。
The optimum ultrasonic extraction were: A2B1C2D3. Compared with traditional extraction, ultrasonic method can save time, be easy to operate, improve extraction yield and need no heating.
超声提取的最佳条件A 2 B 1 C2D3。与常规的提取方法相比，具有提取时间短、简单、收率高、无需加热等优点。
Methods: Ethanol as solvent, using ultrasonic extraction method of total flavonoids in propolis extracted using ultraviolet-visible spectrophotometry of total flavonoids were determined.
方法：以乙醇为溶剂，采用超声提取的方法对蜂胶中的总黄酮进行提取，利用紫外-可见分光光度法对总黄酮的含量进行测定。
In the paper there were two kinds of methods to be mentioned about preparation of phytin, one was microwave-assisted extraction, the other was ultrasonic extraction.
关于菲丁的制备，本实验采用了两种辅助提取方法，微波辅助提取法和超声波辅助提取法。
The technology of extraction flavones from the Oxytropis Ochrocephala Bunge was studied and the optimum ultrasonic extraction conditions were obtained through the orthogonal experimental design.
对黄花棘豆黄酮的提取工艺进行探讨，通过正交试验得出超声波提取的最佳工艺条件。
In single factor experiment, the highest extraction yield of ultrasonic extraction is 16.61%, which is higher than traditional extraction.
在单因素试验中超声波提取的粗阿拉伯半乳聚糖最高提取率为16.61%，比传统浸提法高。
Pressurized solvent extraction (PSE) of imidacloprid in soil comparing to traditional method such as ultrasonic extraction, shaking extraction and Soxhlet extraction were studied.
对土壤样品中吡虫啉快速压力溶剂萃取技术（PSE）与传统提取方法（超声波萃取、振荡提取和索氏萃取）进行了对比研究。
The ultrasonic extraction process for Folium Lonicerae has been studied with the ultrasonic technology and the most suitable condition for process has been obtained.
采用超声技术对忍冬叶提取工艺进行研究，找出了最佳提取工艺条件。
The optimal conditions for ultrasonic extraction of Hypericaceae were determined by response surface methodology.
运用响应面法确定超声提取田基黄的最佳条件。
The best extraction method and process of flavonoids from water chestnut were studied by used ethanol extraction, ultrasonic extraction and microwave extraction.
研究了乙醇浸提法、超声波法和微波法提取荸荠总黄酮的最佳工艺。
Ultrasonic extraction of tanning with water from the seed hull of Acer Truncatum was described, and the influencing factors were studied.
利用超声波以水为溶剂提取元宝枫种壳中单宁，对超声功率、超声作用时间、水量、提取次数等因素进行研究。
The defatted barley powder was used as raw material and ultrasonic extraction technology of total polyphenol and proanthocyanidins was studied by single factor and orthogonal experiment.
以脱脂大麦粉为原料，以总多酚和原花青素的提取得率为考察指标，采用超声技术通过单因素实验和正交实验对大麦中多酚类物质的提取工艺进行探讨。
Conclusion: The ultrasonic extraction technology is simple with high yield and exploitable merit.
结论：超声波提取工艺简单，且提取率高，有开发价值。
Ultrasonic extraction have high yields and save solvent, time-saving advantages.
超声提取法有产率高，节省溶剂，节省时间等优点。
The inhibitory effect of ginger extract on microorganisms was studied with different methods, which were hydraulic extraction, ethanol extraction, ultrasonic extraction and vapor distillation.
以生姜为材料，研究不同提取方式包括水浴加热浸提法、醇提取法、超声波浸提法和水蒸气蒸馏法对微生物的抑制作用。
Conclusions Ultrasonic extraction was a simple method, with high extraction efficiency.
结论超声提取方法简单，提取率高，低耗高效。
Abstract: in this study, the reflux extraction and ultrasonic extraction processes of total flavonoids from Podocarpus nagi leaves were optimized using orthogonal experiments.
摘要：本研究采用正交试验设计分别优选回流提取和超声波提取竹柏叶总黄酮的最佳工艺条件。
The effects of sample concentration, ultrasonic extraction time, and different extracting solvent on the extraction of volatile microconstituents were also investigated.
研究了样品萃取量、超声波萃取时间、以及不同萃取溶剂对微量挥发性成分萃取效果的影响。
Methods The organic residues were extracted from samples by ultrasonic extraction with methanol and analyzed by gas chromatography-mass spectrometry.
方法以甲醇为萃取溶剂，采用超声提取法对样品进行前处理，采用气相色谱-质谱联用法进行检测。
ObjectiveTo optimize the ultrasonic extraction technology of flavonoids from Ramulus Mori.
目的优选超声提取法从桑枝中提取总黄酮的工艺条件。
The mechanism of the ultrasonic extraction method of the invention mainly lies in the cavitation generated through the ultrasonic mechanics.
本发明超声提取法的作用机理主要是超声力学产生的空化效应。
Considering factors of extraction efficiency, oil yield and environmental protection, the ultrasonic extraction and the supercritical carbon dioxide fluid extraction are the appropriate methods.
从提取效率、油的得率及绿色环保几个因素综合考虑，超声波提取法和超临界二氧化碳萃取法是比较理想的两种提取方法。
The ultrasonic extraction method exhibited low solvent consumption and simple operation.
此技术节省溶剂且提取方法简单。
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