- 更多网络例句与放射性金属元素相关的网络例句 [注：此内容来源于网络，仅供参考]
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A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
一种存在周期短的放射性金属元素，由铀形成，能分裂成锕然后分裂成铅。
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Group in the periodic table there are silver-white metallic luster of the solid metal transition element, atomic number Z = 26, atomic weight of 55847, chemical symbol Fe, there is a stable F isotope 5626Fe and a radioisotope 5526Fe, content of 5% of the earth's crust, accounting for elements of in the fourth place, the metal in the second melting point 1535 ℃, boiling point 2750 ℃, the relative density of 786, the external electronic structure 3d64s2, chemical reactions 2-6 tram F-volatile son, oxidation number of 0, 2, 3, 4 , 5 and 6, the chemical nature of the metal element is very lively, in the humid air combined with oxidation, but also directly with the sulfur, phosphorus, silicon, carbon together.
周期表中Ⅷ族有银白色金属光泽的固体金属过渡元素，原子序数Z＝26，原子量55847，化学符号Fe，有一种稳定F同位素5626Fe和一种放射性同位素5526Fe，地壳中含量5％，占元素中第四位、金属中第二位熔点1535℃，沸点2750℃，相对密度786，外围电子结构3d64s2，化学反应时易丢失2—6个电F子，氧化数为0、＋2、＋3、＋4、＋5和＋6、化学性质很活泼的金属元素，在潮湿空气中能与氧化合，也能直接与硫、磷、硅、碳化合。
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A radioactive metallic_element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding ''.
一种放射性金属元素，类似碲和铋，见于铀矿，但能通过用中子轰击铋的核反应制造。
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A soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands.
一种软质、银白色、放射性四价金属元素，同位素用作核反应能源，见于钍矿和独居石沙中。
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A radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms.
一种放射性的超铀金属元素，在用氦原子轰击铀时发现。
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Iran had first told the International Atomic Energy Agency that its last experiments with the reprocessing of plutonium took place in 1993 but revised that date to 1998, according to a draft speech deputy IAEA chief Pierre Goldschmidt is due to make to the agency's board of governors on Thursday.
Plutonium：钚，一种天然地放射性银色超铀金属元素，存在于铀矿中，对铀元素进行中子轰击而人工制成。它是一种核辐射毒素，特别是能够被骨髓吸收，并被用作一种核反应燃料并用在核武器中。
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