promethium
音標(biāo)[prə'mi:θiəm]
promethium是什么意思、promethium怎么讀
promethium漢語(yǔ)翻譯
【化】 钷Pm
promethium詞型變化
簡(jiǎn)寫(xiě)符號(hào):Pm
promethium英語(yǔ)解釋
名詞 promethium:
- a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium同義詞：Pm, atomic number 61
promethium詳細(xì)解釋
pro.me.thi.um
n.Symbol Pm （名詞）符號(hào) Pm A radioactive rare-earth element prepared by fission of uranium or by neutron bombardment of neodymium, having 4 isotopes with mass numbers ranging from 4 to 54 and used as a source of beta rays. Atomic number '; melting point ,'8=C; boiling point 2,4'0=C; valence 3.See table at element 鉅：放射性稀土元素，由鈾分裂或鈦的中子爆炸而成，有十四個(gè)擁有從4到54的質(zhì)量數(shù)的同位素，用作β射線源。原子序數(shù)'；熔點(diǎn),'8=C；沸點(diǎn)2,4'0=C；原子價(jià)為3參見(jiàn) element
來(lái)源：From Prometheus 源自 Prometheus
0
糾錯(cuò)
猜你喜歡
pine gum的漢語(yǔ)翻譯tender for sth的漢語(yǔ)翻譯high-carbon alloy steel的漢語(yǔ)翻譯uprearing的漢語(yǔ)翻譯insane asylum的漢語(yǔ)翻譯uprearing的漢語(yǔ)翻譯rhizoma imperatoria的漢語(yǔ)翻譯uprearing的漢語(yǔ)翻譯rete articulare genu的漢語(yǔ)翻譯I'll be shot if...的漢語(yǔ)翻譯Zambia的漢語(yǔ)翻譯population information system的漢語(yǔ)翻譯submortgage的漢語(yǔ)翻譯allochiral的漢語(yǔ)翻譯strengthen的漢語(yǔ)翻譯basic dimethyl halogenated arsine的漢語(yǔ)翻譯loaiasis的漢語(yǔ)翻譯abutting joint的漢語(yǔ)翻譯uprearing的漢語(yǔ)翻譯ossa tigris的漢語(yǔ)翻譯
