查询词典 radium

francium：鍅 钫

86 Rn 氡 氡 Radon | 87 Fr 鍅 钫 Francium | 88 Ra 鐳 镭 Radium

Fr Francium：钫

85 At astatine 砹 ai4 | 87 Fr francium 钫 fang1 | 88 Ra radium 镭 lei2

Francium Fr：钫

86 氡 Radon Rn (222) | 87 钫 Francium Fr (223) | 88 镭 Radium Ra 226.0254

pass from ... to：传递

3. physical characteristics 生理特征 | 4. pass from... to传递 | 5. radium 镭

first ionization potential：第一游离电位

第一度烧伤 first degree burn | 第一游离电位 first ionization potential | 镭的第一隔离 first isolation of radium

radix notation：数基记法

"radium standard","镭标准" | "radix notation","数基记法" | "radix point","数基点"

pitchblende：沥青铀矿

居礼夫人测量了沥青铀矿(pitchblende)的放射性,沥青铀矿含有75%的氧化铀(UO2),放射强度却是氧化铀的四倍,因此她推测矿物中应该另外存在比纯铀更活泼的物质,后来便是由沥青铀矿中提炼出钋(polonium,Po,以居礼夫人的故乡波兰命名)与镭(radium,

eka polonium：类钋

eka neodymium 钷 | eka polonium 类钋 | eka radium 类镭

RAD Radian：弧度

Ra radium镭 | rad radian弧度 | RAS reticular activating system网壮激活系统

radiometric prospecting：放射性勘探

radiometer 辐射计 | radiometric prospecting 放射性勘探 | radium 镭

Ontario moonstone：安大略月光石,安大略月长石

onicolo 玛瑙 | Ontario moonstone 安大略月光石,安大略月长石 | onychite 雪花石膏

She is vilified by the press for her controversial view：因她持有异议,新闻界对她横加挞伐

牐12. vilify 诽谤,中伤 | 牐燬he is vilified by the press for her controversial view. 因她持有异议,新闻界对她横加挞伐. | 牐13. decry 责难,诽谤