In organic solvent to dissolve fat, with extraction that fat is separated from the solvent, and then drying, weighing, calculate the fat content.
在有机溶剂下溶解脂肪,用抽提法使脂肪从溶剂中分离出来,然后烘干,称量、计算出脂肪含量。
The optimum of the mode was discussed and determined in this paper. The result shows that the best mode is ultrasonic-extracting for several times and then drying tightly.
本文探讨并确定了最佳的萃取干燥方式,结果表明萃取干燥的最佳方式是:先超声多次萃取,再适温张紧干燥。
The researchers start off by drying their coffee grounds overnight and then pour in some common chemical solvents, such as hexane, ether and dichloromethane, to dissolve the oils.
研究人员使用的方法是将咖啡渣隔夜使其干燥,然后放入一些常见的化学溶剂中,例如正己烷、乙醚和二氯甲烷,来溶解咖啡渣中的油类成分。
And then they found that they could freeze-dry this preparation of virus, and freeze-drying to lower the temperature, freeze it, then extract out all the water, so you're left with a powder, basically a powdered form of the virus, that could be shipped all over the world, and then reconstituted by adding water to it.
研究者们发现可以冷冻干燥这些病毒制剂,冷冻干燥就是就是降低温度,冷冻病毒,然后提取出所有水份,然后就剩下一些粉末,这主要是粉末状的病毒,这样就能将它运往全世界,并可以通过加水来恢复病毒的活性
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