超铀元素

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  • transuranic (or transuranium) element
超铀元素超铀元素
  1. 一种放射性超铀元素,在用α粒子轰击锔时发现。

    A radioactive transuranic element ; discovered by bombarding curium with alpha particles .

  2. 一种放射性超铀元素,用碳离子轰击锔而合成,已知有种同位素。

    A radioactive transuranic element synthesized by bombarding curium with carbon ions ; 7 isotopes are known .

  3. 在很长一段时间内,这些超铀元素的名字都是些类似于“Unununium”的临时名字,但后来它们都渐渐地有了正式的永久名字。

    For a long time , many of them had placeholder names like " unununium , " but gradually they 're being assigned permanent names .

  4. 用于超铀元素测定的高分辨率α-γ符合谱仪的研制

    The high resolution a-y coincidence spectrometer used for transuranium nuclide measurement

  5. 环境中的超铀元素及其放射化学分析的进展

    Transuranium elements in the environment and recent advance in their radiochemical analyses

  6. 一种放射性超铀元素,用中子轰击钚时产生。

    A radioactive transuranic metallic element produced by bombarding plutonium with neutrons .

  7. 现代超铀元素的研究比上世纪40年代和平了许多。

    Modern transuranic research is more peaceful than it was in the 1940s .

  8. 超铀元素肺部计数器的效率刻度技术

    Efficiency calibration of transuranic nuclide in lung counter

  9. 超铀元素化学形态研究现状

    Status of Transuranium Elements ' Chemical Form Research

  10. 从中国高放废液中分离超铀元素

    Partitioning of TRU elements from Chinese HLLW

  11. 但是对于我们的项目而言,很不幸,超铀元素可不会“轻轻地我走了”,它们会衰变。

    Unfortunately for our project , the transuranic elements don 't vanish quietly . They decay radioactively .

  12. 用两种人体胸腔模型对超铀元素活体测量系统刻度的结果及其比较

    Calibration of in vivo measurement system for transuranic elements and results comparison using LLNL and JAERI phantoms

  13. 环境中的超铀元素

    Transuranium elements in the environment

  14. 元素周期表的最后一行有各种奇奇怪怪的元素,它们被称为超铀元素。

    There are a whole bunch of weird elements along the bottom of the periodic table called transuranic elements .

  15. 超铀元素镅、镎、钚和铀的去污系数分别大于30004000950和7000。

    Are higher than 3 000 , 4 000 , 7 000 and 950 for americium , neptunium , uranium and plutonium respectively .

  16. 本文介绍了超铀元素的环境水平,对它们的放射化学分析的进展进行了述评。

    An introduction to environmental level of transuranium elements and a review of the recent advance in radiochemical analyses of them are made .

  17. 超铀元素与地下水中可能存在的无机及有机配位体的络合会影响它们在水中的浓度及其迁移行为。

    The complexation of TRU element with inorganic or organic agents may have impact on their concentrations in groundwater and their migration behavior .

  18. 自然界里只有錼(93)和钸(94)两种超铀元素,而且只以痕量存在于铀的矿物中,是受中子辐照后的产物。

    Only two , neptunium ( 93 ) and plutonium ( 94 ), occur in nature , and only as traces in uranium ores as a result of neutron irradiation .

  19. 不过起名字这事儿倒不必着急,因为绝大多数超铀元素非常不稳定,它们只能在粒子加速器中制得,存在时间不超过几分钟。

    There 's no rush , though , because most of these elements are so unstable that they can be created only in particle accelerators and don 't exist for more than a few minutes .

  20. 一种放射性的超铀金属元素,在用氦原子轰击铀时发现。

    A radioactive transuranic metallic element ; discovered by bombarding uranium with helium atoms .

  21. 这些“超铀”元素可以通过更轻元素的熔合来人工合成,这也是Dullmann博士想对119号元素应用的,将钛(22号)原子与锫(97号)原子大量熔合,希望其中一些可以合并产生新元素。

    Such " transuranic " elements can , however , be made artificially by the fusion of lighter ones . And that is precisely what Dr Dullmann intends to do in the case of element 119 , by firing titanium atoms ( number 22 ) at those of berkelium ( 97 ) and hoping some of them merge .