This Strange Crystal Has Two Melting Points And We Finally Know Why
In 1896, German chemist Emil Fischer noted something very strange about a molecule named acetaldehyde phenylhydrazone.
来自MSN10 个月
Is it true that red wine causes headaches?
More recently, one study suggested that quercetin, an antioxidant found in grapes, may be responsible. Liver enzymes convert alcohol, or ethanol, to acetaldehyde, a toxic substance, and then to ...