We looked at additives to feed, such as 3-NOPs, reduce emissions by about 30 percent.

我们研究了饲养的添加剂，比如3-NOPS（3-硝基氧丙醇），可以减少约 30% 的排放。

Phenylpropanolamine was generally considered unsafe by 2000 because it caused some hemorrhagic strokes.

到 2000 年，苯丙醇胺被普遍认为是不安全的，因为它会导致出血性。

They also recommended phenylpropanolamine and pseudoephedrine.

他们还推荐了苯丙醇胺和伪麻黄碱。

But ethanol and isopropanol are teeny.

但是醇和异丙醇很小。

But now surround it with a high concentration of an alcohol, like the ethanol or isopropanol found in most hand-sanitizers.

但是现在，我们用高精，也就是多数免洗洗手液都含有的醇或异丙醇裹住它。

Rubbing alcohol's real name is isopropyl alcohol.

真名是异丙醇 ISO。

But ALCOHOL GROUPS interact with water, because water is also made of hydrogen and oxygen.

与水相互作用，因为水也由氢和氧组成，异丙醇的名称。

Usually, markers use ethanol, which is the kind of alcohol people drink, or isopropanol — aka rubbing alcohol — because they evaporate quickly.

通常来说，马克笔使用的是醇，也就是人们喝的那种精，或异丙醇，也称为医用精，因为它们会迅速蒸发。

These wafer washers use ultra-pure water to  clean the wafer and then dry it with nitrogen or hot isopropyl alcohol.

这些晶圆清洗机使用超纯水清洗晶圆，然后用氮气或热异丙醇将其干燥。

Usually, markers use ethanol, which is the kind of alcohol people drink, or isopropanol—aka rubbing alcohol—because they evaporate quickly, which means it's harder to accidentally smudge whatever you've just written.

通常记号笔会用醇或异丙醇制作——醇是一种可食用精，而异丙醇又名医用精。这是因为它们挥发较快，无论你刚写下什么，都没那么容易无意抹脏。