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简明英汉词典 | ||
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radon | |
| [5reidCn] | ||
| n. | ||
| [化]氡 | ||
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美国传统词典[双解] | ||
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radon | |
| ra.don | ||
| AHD:[r3“d?n] | ||
| D.J.[6reid%n] | ||
| K.K.[6red$n] | ||
| n.Symbol Rn （名词）符号 Rn | ||
| A colorless, radioactive, inert gaseous element formed by the radioactive decay of radium. It is used as a radiation source in radiotherapy and to produce neutrons for research. Its most stable isotope is Rn 222 with a half-life of 3.82 days. Atomic number 86; melting point -71=C; boiling point -61.8=C; specific gravity (solid) 4.See table at element | ||
| 氡：一种无色、有放射性的惰性气体元素，由镭蜕变产生。在放射疗法中可用作辐射源，在科研中可用于制造中子。它最稳定的同位素是Rn222。半衰期为3.82天。原子序数86；熔点-71=C；沸点-61.8=C；比重（固态）4参见 element | ||
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语源 | ||
(1) |
rad(ium) | |
| rad(ium) | ||
(2) |
-on 2 | |
| -on2 | ||
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现代英汉词典_www.beaver.com.cn | ||
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radon | |
| [5reIdRn] | ||
| n. | ||
| 〈化〉氡（元素符号为： Rn） | ||
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现代英汉综合大辞典 | ||
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radon | |
| [5reidCn] | ||
| n. | ||
| 【化】氡(86号元素, 符号Rn, 由镭裂变生成的放射性元素, 旧名radium emanation) | ||
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[七国语言]英汉地质大词典 | ||
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radon | |
| 氡 | ||
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[七国语言]英汉地理大词典 | ||
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radon | |
| 氡 | ||
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[七国语言]英汉电子工程大词典 | ||
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radon | |
| 氡 | ||
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[七国语言]英汉化学大词典 | ||
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radon | |
| 氡 | ||
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[七国语言]英汉矿业大词典 | ||
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radon | |
| 氡 | ||
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[七国语言]英汉农业大词典 | ||
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radon | |
| 氡 | ||
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[七国语言]英汉物理大词典 | ||
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radon | |
| 氡 | ||
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[七国语言]英汉冶金大词典 | ||
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radon | |
| 氡 | ||
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[七国语言]英汉原子能大词典 | ||
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radon | |
| 镭射气, 氡 | ||
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美国传统词典 | ||
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radon | |
| ra.don | ||
| AHD:[r3“d?n] | ||
| D.J.[6reid%n] | ||
| K.K.[6red$n] | ||
| n.Symbol Rn | ||
| A colorless, radioactive, inert gaseous element formed by the radioactive decay of radium. It is used as a radiation source in radiotherapy and to produce neutrons for research. Its most stable isotope is Rn 222 with a half-life of 3.82 days. Atomic number 86; melting point -71=C; boiling point -61.8=C; specific gravity (solid) 4.See table at element | ||
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语源 | ||
(1) |
rad(ium) | |
(2) |
-on 2 | |
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英汉地质大词典 | ||
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radon | |
| n.镭射气;n.氡 | ||
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英汉环境大词典 | ||
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radon | |
| n.氡 | ||
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英汉海运大词典 | ||
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radon | |
| 氡(气) | ||
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英汉进出口商品词汇大全 | ||
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radon | |
| 氡 | ||
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英汉计算机大词典 | ||
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radon | |
| n.氡Rn | ||
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英汉机械大词典 | ||
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radon | |
| n.氡Rn,氡 | ||
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英汉建筑大词典 | ||
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radon | |
| n.氡 | ||
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英汉农牧林大词典 | ||
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radon | |
| n.氡,镭射气 | ||
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英汉能源大词典 | ||
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radon | |
| n.氡,镭射气;n.氡Rn | ||
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英汉冶金大词典 | ||
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radon | |
| n.氡 | ||
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英汉医学大词典 | ||
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radon | |
| n.氡 | ||