sievertyoudaoicibaDictYouDict[sievert 词源字典]
"The SI unit of dose equivalent (the biological effect of ionizing radiation), equal to an effective dose of a joule of energy per kilogram of recipient mass", 1940s: named after Rolf M. Sievert (1896–1966), Swedish physicist.[sievert etymology, sievert origin, 英语词源]