Protactinium Atom Symbol,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银行等数万家企业级客户提供全方位安
(Elements & Compounds) a toxic radioactive metallic element that occurs in uranium ores and is produced by neutron irradiation of thorium. Symbol: Pa; atomic no: 91; half-life of the most stable isotope,231Pa: 32 500 years; valency: 4 or 5; relative density: 15.37 (calc.); melting pt...
Symbol: Pa; atomic no: 91; half-life of the most stable isotope, 231Pa: 32 500 years; valency: 4 or 5; relative density: 15.37 (calc.); melting pt: 1572°C. Former name: protoactinium Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins ...
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Protactiniumdoi:10.1007/978-3-319-39312-4_273Element Data Atomic Symbol: Pa Atomic Number: 91 Atomic Weight: 231.0359 g mol1 Isotopes and Abundances:231Pa (t1/2 32,760 year) ~100% 234Pa (t1/2 70 s) 1 Atm Melting Point: 1569 °C 1 Atm Boiling...Prytulak, Julie...
Chemical element with symbol Pa and atomic number 91. It is a silvery actinide. chemical element noun a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead 更多 英文 词典里"Protactinium"的近义词 metal, Pa, metallic element是 英文...
protactinium nounmasculine 语法 Élément chimique de symbole Pa et de numéro atomique 91. C'est un actinide argenté. +添加翻译 法文-马恩岛文字典 Protaghtinnium élément chimique ayant le numéro atomique 91 wikidata protaghtinnium
Élément chimique de symbole Pa et de numéro atomique 91. C'est un actinide argenté. omegawiki prutuattiniu elimentu chìmicu cu nùmmiru atòmicu 91 wikidata 显示算法生成的翻译 将“ protactinium "自动翻译成 西西里语 protactiniu Glosbe Translate 带有...
protactinium noun 语法 a chemical element (symbol Pa) with atomic number 91. [..] + 添加翻译 英文-閩東語字典 Protactinium element with the atomic number of 91 wikidata 显示算法生成的翻译 带有“protactinium"的图片 添加示例 在上下文、翻译记忆库中将“protactinium"翻译成 閩東語 变形 干...