As an effective extractive method, ultrasound-assisted extraction has been widely used owing to its simplicity, ease of use, speed and enhanced safety.
超声波协助提取作为一种有效提取方法，因其简单、方便、快速和安全等优点得到了广泛应用。
The new method has been proved successful by two case studies in simulating molecular design of extractive solvents.
采用本设计的方法模拟计算了两个萃取溶剂设计实例，获得了令人满意的效果。
The invention provides a long pepper total alkaloid extractive separated from long pepper and a preparation method thereof.
本发明提供了一种从荜茇中分离得到的荜茇总生物碱提取物，并提供了其制备方法。
As a new method of nickel extractive metallurgy, the process of chlorine leaching purification electrolysis for nickel sulphide concentrate usually USES solvent extraction as its purification.
硫化镍精矿氯气浸出—净化—电积工艺作为镍提取冶金的新方向，其净化过程大多采用溶剂萃取方法。
Method: The contents of Rhizoma Coptidis alkaloids extracted, which were regarded as index, were determined by Ultravio - let spectrophotometry and both water extractive processes were compared.
方法：以黄连生物碱提取量为考察指标，采用紫外分光光度法测定黄连生物碱含量，对两种水提取方法进行比较。
Slurry electrolysis process, which is researched on the basis of analyzing the main problems in heavy non-ferrous hydrometallurgy, is a clean, energy efficiency extractive metallurgical method.
在对重有色金属湿法冶金存在主要问题进行分析的基础上研究成功的矿浆电解新技术，是一种清洁、高效的提取冶金。
Method: Extracting and analyzing herbal materials with lab-built extractive system.
方法：利用自建萃取系统提取分析中药材。
The results show that the method of reverse micelle is available to separate and purify cytochrome-C under proper conditions in some extractive systems.
研究结果表明，选择合适的体系及条件，反胶团提取是实现蛋白质分离提纯的有效方法。
The synthesis of MMA by the extractive reaction method was studied.
研究了萃取反应法合成甲基丙烯酸甲酯（ MMA）。
In this work extractive chromatographic method is used for the separation of REE with P507-containing resin as stationary phase, and hydrochloric acid as mobile phase.
本文研究了以P 507萃淋树脂为固定相，盐酸为流动相的萃取色层法分离稀土元素。
Even-design method could easily get the best extractive craft conditions of the experiment, it could be commended to improve work efficiency in the field of natural produce extraction.
均匀设计能较好地获得实验的最佳工艺条件，均匀设计可以在天然产物有效成分的提取中推广应用，以提高工作效率。
The different extractive technologies of pueraia flavonid are studied and a satisfying method of extractive technology of pueraia flavonid is reported.
对提取葛根总异黄酮的不同工艺路线进行了探索，提出了一条优化的工艺路线。
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。
Extractive fermentation is an effective method to overcome the product inhibition in the fermentation process and increase the yield and the conversion rate.
萃取发酵是解决发酵过程中的产物抑制，提高产率及转化率的有效手段。
The extractive metallurgy of gold has achieved important advance. Two processing plant using car - bon-pulp method were set up, leaching recovery of gold reached to 95-98%.
黄金选冶工艺获重大进展，建成两个全泥炭浆法提金厂，金浸出率可达95 ~ 98%。
We have determined the content of bergenin in the rhizome and MeOH extractive of Rodgersia aesculifolia Batal by TLC-scanning method.
采用薄层扫描法测定了鬼灯檠根茎、醇提物中岩白菜素的含量。
Extractive distillation method was employed for removing sulfur compounds from FCC gasoline.
开展了萃取蒸馏法脱除催化裂化(FCC)汽油含硫化合物的研究。
The invention provides a method in separating benzene from cyclohexane and from heptane by ultrasonic extractive distillation, comprising steps as ultrasonic processing and extractive distillation.
本发明提供的是一种超声萃取蒸馏分离苯―环己烷及苯―正庚烷物系的方法。
The invention provides a method in separating benzene from cyclohexane and from heptane by ultrasonic extractive distillation, comprising steps as ultrasonic processing and extractive distillation.
本发明提供的是一种超声萃取蒸馏分离苯―环己烷及苯―正庚烷物系的方法。
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