And because the key component of solar cells is an expensive, highly purified form of silicon, there's a real economic benefit to this design.

VOA: standard.2010.02.19

Now, in contrast to the land, God's sanctuary can be purified for moral impurity by means of a special sacrifice.

与土地对比，上帝的圣所倒是可以通过一些特殊的献祭,净化道德上的不洁。

耶鲁公开课 - 旧约导论课程节选

Then that subunit was purified and formulated into the vaccine, the kinds of vaccines that you and I got.

然后亚基被纯化出来并制成疫苗,也就是你我被注射的那种疫苗

耶鲁公开课 - 生物医学工程探索课程节选

And there's another question which you would no doubt be concerned to discuss, namely what would such Socratically purified ? music and poetry look like?

而另一个,你们一定会想要讨论的问题是，何谓经苏格拉底纯化过的,音乐与诗学形式？

耶鲁公开课 - 政治哲学导论课程节选

The danger is that it's being purified from patients that have a disease and so you want to make sure that there's not other diseases that are present in that sample at the same time.

危险在于,这是从带有疾病的病人,身上纯化出来,因此你想确保,在那个样本中不会同时,携带其它疾病

耶鲁公开课 - 生物医学工程探索课程节选

They grew the virus in monkey cell cultures, they purified the virus because you got to get all the other stuff from the cells that you're growing it in a way, they inactivated it by treating it with formalin which is just a formula-- it's just a mixture of Formaldehyde; Formaldehyde cross links proteins.

研究人员将病毒种植在猴细胞内,进行培养,并提纯病毒,在某种程度上,通过这种方法,可以得到所有类型的病毒,研究人员用福尔马林,处理病毒,使其灭活,福尔马林就是甲醛的水溶液,甲醛可以使蛋白质发生交联反应

耶鲁公开课 - 生物医学工程探索课程节选