lead pb
常見例句
- Amatore explains when ingested, stomach acid turns lead into Pb(IV), which is toxic, but the Pb2+ generated on the skin has a protective effect.
阿瑪托解釋道,鉛在胃中會變成Pb(IV)(四價(jià)鉛),是有毒的;而在皮膚上涂覆Pb2+則具有保護(hù)功能。 - Content of heavy metals lead(Pb) and arsenic(As) in cigarette flavors were determined by atomic absorption spectrometry(AAS) with wet digestion.
運(yùn)用濕法消解-石墨爐原子吸收光譜法,定量檢測煙用香精中重金屬鉛和砷。 - Let's choose Latin, the language of scholarship, and so iron became Fe for ferrum and lead became Pb for plumbum and gold is Au for aurum and so on.
那就選拉丁文吧,用于學(xué)術(shù)的語言,所以,iron就變成了Fe,表示鐵元素,鉛變成了,Pb,表示鉛元素,金變成了Au,表示金元素,等等。 - Let's choose Latin, the language of scholarship, and so iron became Fe for ferrum and lead became Pb for plumbum and gold is Au for aurum and so on.
那就選拉丁文吧,用于學(xué)術(shù)的語言,所以,iron就變成了Fe,表示鐵元素,鉛變成了,Pb,表示鉛元素,金變成了Au,表示金元素,等等。
麻省理工公開課 - 固態(tài)化學(xué)導(dǎo)論課程節(jié)選 返回 lead pb