solvent for extraction

We used water as the extraction solvent and extracted for 1h by ultrasonic treatment.

玫瑰花以水作为提取溶剂，提取方式为超声波处理1h效果最好。

The results show that 1,1,1 trichloroethane is an effective solvent for the extraction process.

模拟结果表明，1,1,1三氯乙烷是糠醛和水分离的有效溶剂；

Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics, respectively.

分别采用硅胶柱色谱法和溶剂抽提，分离优质塑料抛光膏中的油脂和磨料部分。

Under the same storage condition, for different purified solvent extraction oil-tea camellia seed oil, the more purified, the more oxidized;

在相同贮藏条件下，对于浸出成品茶油来说，精炼程度越高，越容易氧化酸败；

The control group is water. The main results are as follows: 1. Using anhydrous ethanol as a solvent for extraction process optimization. Conclusion: ultrasonic wave extraction method soaking extraction method cold-soaked extraction method. 2.

其主要结果如下：1、以无水乙醇为溶剂进行提取方法比较，实验得出：超生波提取法效果温浸提取法效果冷浸提取法效果。

The percentage of oil and water content in cake are suitable for solvent extraction.

榨出饼的含油率和水份适合于溶剂浸出.

Through model parameter estimation, the activation energy and frequency factor of sulfide oxidation reaction, the phase balance constant for solvent extraction were determined by use of experimental data of diesel desulfurization.

利用脱硫实验数据进行模型参数估值，确定了硫化物氧化反应活化能及频率因子、溶剂萃取相平衡常数等模型参数。

The development work is described in main on an immersion probe Y absorptiometer ( IPA) and a floating probe Y absorptiometer ( FPA) with their application to the solvent extraction for automatic determination of uranium concentrations of organic extracts in the mixer-settler of a certain uranium plant.

本文报道了浸入式和浮动式探头的软γ吸收计的研制，及其在某铀水冶厂萃取过程中的应用。浸入式探头可插入混合澄清器内饱和有机相中测定铀浓度；

A method for isolating mitochondrial plasmid DNA from etiolated plant seedlings is described in this paper. This method does not need gradient ultra centrifugation and organic solvent extraction. The entire procedure can be finished in short time.

介绍了一种从植物材料中提取线粒体质粒DNA的方法，该方法不需要密度梯度离心和有机溶剂抽提，整个提取过程可在较短时间内完成。

Supercritical carbon dioxide is now well established as a solvent for use in extraction ( figure 1 ) .

超临界 二氧化碳现在被确认为是一种好的萃取溶剂.

A method for extraction of aromatic hydrocarbon using sulfolane as solvent is described.

介绍以环丁砜为溶剂、萃取芳烃的方法.