查询词典 extraction

MethodsWith the extraction rate of polysaccharides as an examinable target , the optimal extraction conditions of polysaccharides has been proposed by microwave-assisted method through single factor experiment and orthogonal test method .

方法应用微波辅助提取技术，通过单因素和正交实验，以土茯苓多糖提取率为指标，筛选土茯苓多糖的最佳提取工艺条件。

In this experiment, with the leaf of Toona sinensis and the root of kudzu as the material, with the falconoid compound as quality criterion, the affect of dynamic extraction and stationary extraction has been compared, and the affect of the temperature , the ratio of stuff and impregnate, the velocity of whisk and the figure of oar have been investigated.

在本文实验中，以香椿叶、葛根为原料，以黄酮类化合物为质量指标，比较了动态浸取和静态浸取对浸取速率和浸取率的影响，同时研究在动态浸取时温度，料液比，搅拌速率以及桨叶型式对浸取速率和浸取率的影响。

The four factors of the orthogonal experiment (L934) were alcohol concentrate, times of farinose herbal medicine, extraction times and time for one extraction.

本文进行了防治鱼类细菌性败血症的中药复方总有效成分的提取、药效及药物代谢动力学研究。

The relation between the concentration of gingerol and extraction time, size of herb particle and the extraction temperature are discussed respectively.

讨论了当一种条件改变时，姜辣素的提取速率与提取时间、药材粒度、提取温度等因素的关系。

Synergistic extraction technology of gingerol in ginger was studied by using an ultrasound wave and microwave synergistic extraction equipment.

研究超声波－微波协同萃取姜辣素的工艺条件。

Effects of solvent species, ethanol concentration, microwave power, extraction time, ratio of material to liquid and ultrasound wave on extraction rate of gingerol were investigated through single factor and orthogonal test.

以生姜粉为材料，通过单因素和正交试验探讨超声波－微波协同萃取姜辣素的工艺条件中溶剂种类、乙醇浓度、微波功率、微波处理时间、料液比及超声波等因素对萃取效果的影响。

The optimum extraction conditions for gingerol were identified as the follows: 70% ethanolas solvent, ratio of material to liquid as 1:12.5, synergistic extraction time 60s with ultrasound wave and microwave for one time.

最佳工艺条件：70%乙醇为溶剂；料液比1：12.5；超声波250 W微波协同处理60 s，姜辣素的提取率达到1.843%，处理后物料经70℃热回流提取2 h，姜辣素的提取率可达到3.262%，是直接热回流提取2 h的1.5倍。

The results indicated that the extraction system had a higher extraction velocity in the moment of globelet formation than that during the process of globelet ascending.

结果表明，液滴形成阶段的萃取速率远高于液滴上升阶段。

The diluent solution of glyoxylic acid and oxalic acid was used as the separation object.TOA (in n-octanol) was used as the solvent. The extraction characteristics of single acid and two-acid solution were studied,and the influence of pH and the concentration of complexing agent on the distribution coefficients were measured. The suitable mathematic models were proposed to describe the relationship between TOA and carboxylic acid based on assumed extraction reaction in organic phase.

摘 要：以草酸和乙醛酸的稀溶液为分离对象，采用三辛胺为萃取反应剂、正辛醇为稀释剂，研究了单溶质、双溶质有机酸的萃取分离特性，测定了溶液pH值、萃取反应剂的浓度等因素对双溶质有机酸萃取的影响，提出了萃取的化学反应发生在有机相中的假定，建立了TOA萃取草酸的数学模型。

The diluent solution of glyoxylic acid and oxalic acid was used as the separation object. TOA (in n-octanol) was used as the solvent. The extraction characteristics of single acid and two-acid solution were studied, and the influence of pH arid the concentration of complexing agent on the distribution coefficients were measured. The suitable mathematic models were proposed to describe the relationship between TOA and carboxylic acid based on assumed extraction reaction in organic phase.

以草酸和乙醛酸的稀溶液为分离对象，采用三辛胺为萃取反应剂、正辛醇为稀释剂，研究了单溶质、双溶质有机酸的萃取分离特性，测定了溶液pH值、萃取反应剂的浓度等因素对双溶质有机酸萃取的影响，提出了萃取的化学反应发生在有机相中的假定，建立了TOA萃取草酸的数学模型。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切