radioactive isotope 中文意思是什麼

radioactive isotope 解釋
放射性同位素。

  • radioactive : adj. 【物理學】放射性（引起）的。n. -activity 放射性；放射（現象）。
  • isotope : n. 【化、物】同位素。
  1. A radioactive isotope of carbon, especially carbon14

    放射性碳碳的一種放射性同位素，尤指碳14
  2. The meteorite, which recently fell to the tropical island in pacific ocean, proved to be the present well of the thinnest radioactive isotope

    最近落到在太平洋的熱帶島隕石證明是最薄的放射性的同位素的現在井
  3. Autoradiography a technique whereby a tin slice of tissue containing a radioactive isotope is placed in contact with a photographic plate

    放射自顯影術：將含有放射性同位素的一小薄片生物組織與感光層接觸的一項技術。
  4. The importation of the radioactive isotope, radiation equipment and other radioactive materials should come up to applicable state regulations

    進口放射性同位素、射線裝置和含有放射性物質的物品的，按照國家有關規定辦理。
  5. We can talk about the half - life of a radioactive isotope, and indeed we can measure and state very very precisely what that half - life is

    我們可以談論放射性同位素的半衰期，我們確實可以非常準確地測量和描述半衰期是什麼。
  6. After 40 hour irradiation time, about 7 ci of radioactive isotope 64cu was produced via 63cu ( n, y ) 64cu reaction. after simple disposal, the irradiated copper sample was installed in the high - intesity ion sputter source on the hi - 13 tandem accelerator. then 64cu ions extracted from the high - intesity ion sputter source and injected into the tandem accelerator, 64cu ions can be accelerated to an energy of 80 mev and formed the off - line rnb since natural

    S ）的熱中於通量下，經過34個半衰期輻照，通過『 u … ， y ）生成放射性l司位素『 cll ，然後將放射性銅靶錐注入串列加速器強流濺射離于源中，引出mcll負離于，經刁串列加速器加速而得到能量為80mcv的離線放射性核束「 cll叭。
  7. A radioactive, inert, gaseous isotope of radon, with a half - life of3. 92 seconds

    錒射氣氡的一種放射性的，惰性的和氣態的同位素，其半衰期為3 。 92秒
  8. Over 25 isotopes of polonium are known, with atomic masses ranging from 192 to 218. polonium - 210, the predominant isotope of polonium, is radioactive and emits alpha particles on decay

    現時已知道釙元素有25個同位素，它們的質量數由192至218 ，釙210是當中顯著的一個同位素，具放射性特徵，會釋出放射性阿爾法粒子。
  9. Radioactive matter is incorporated into plants, which are then eaten by animals with the result that most foodstuffs have a measurable amount of radioactivity. additional radioactivity in food comes from the naturally occurring isotope carbon 14. some cosmic radiation also reaches sea level

    植物亦混有輻射物質，而動物吃掉植物，以致絕大部份食物也含有一定輻射食物輻射也來自天然的同位素碳十四，此外，宇宙輻射亦可穿越大氣層照射到海面。
  10. According to the off - line rnb ' s requirement of the radioactive isotope, the doubly odd nucleus 64cu produced by reactor was chosen as the first nuclide to carry out expermental research about the off - line rnb

    按照離線放射性核束對放射性同位素的要求，我們把堆照放射性同位素樣品~ （ 64 ） cu作為首選核素來開展離線放射性核束的實驗研究工作。
  11. For radioactive workplace and the transportation and storage of radioactive isotope, the employer should equip risk - prevention equipment and alarm devices, and ensure the employees exposed to radiation equipped with dose meter

    對放射工作場所和放射性同位素的運輸、貯存，用人單位必須配置防護設備和報警裝置，保證接觸放射線的工作人員佩戴個人劑量計。
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