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technetium
[tekˈniːʃiəm] [tekˈniːʃiəm]

  • n. [化学] 锝(放射性元素,位于元素周期表第43位)

网络释义专业释义英英释义

  [化学]

Technetium): 化学元素[第五周期第VIIB族元素]。符号Tc。

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  符号

Ma是什么意思,Ma怎么读   Ma基本解释 元素(masurium)的符号(现名technetium锝) Ma的用法和例句 提示:点击例句中的单词,就可以看到词义解释 Ma said he has not met with cook but that he has held meeti...

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短语

Technetium compounds 锝化合物

Technetium-99

Thou art my technetium CD 祢是我锝唯

TcPYP technetium pyrophosphate 焦磷酸锝

radioactive technetium 放射性锝

technetium index detail 锝指数

 更多收起网络短语
  • - 引用次数:1

    参考来源 - Tc

·2,447,543篇论文数据,部分数据来源于NoteExpress

technetium [ tek'ni:ʃiəm ]

  • n. a crystalline metallic element not found in nature; occurs as one of the fission products of uranium

    同义词: Tc atomic number 43

以上来源于: WordNet

 柯林斯英汉双解大词典 

technetium /tɛkˈniːʃɪəm/

  • 1. 

    N a silvery-grey metallic element, artificially produced by bombardment of molybdenum by deuterons: used to inhibit corrosion in steel. The radioisotope technetium-99m, with a half-life of six hours, is used in radiotherapy. Symbol: Tc; atomic no: 43; half-life of most stable isotope, 97Tc: 2.6 × 106 years; valency: 0, 2, 4, 5, 6, or 7; relative density: 11.50 (calculated); melting pt: 2204°C; boiling pt: 4265°C 鍀

双语例句权威例句

  • They named it Technetium to emphasize that it was artificially created with technology.

    他们命名Technetium为了强调它是人工技术相结合而创造的。

    youdao

  • As Masurium, it was the first element discovered that occurs in nature only from spontaneous fission, and as Technetium, it was the first element discovered in a laboratory.

    作为 Masurium自然界发现第一只能通过自然裂变产生元素;作为,它是在实验室中发现的第一种元素

    youdao

  • Technetium-99 is obtained from Molybdenum-99.

    - 99- 99中获取

    youdao

更多双语例句
  • It is also the source of around 90% of the discharge of technetium-99, a long-lived radionuclide that lingers in shellfish.

    ECONOMIST: Nuclear energy

  • Last month the UK Government asked British Nuclear Fuels to impose a nine-month ban on emissions of low level Technetium from Sellafield.

    BBC: Low level radiation in salmon

  • This would have the advantage of ending the production of radioactive waste, which must be stored, and of stopping the flushing of technetium-99, a new waste by-product of reprocessing, into the Irish Sea, which would please the Irish government.

    ECONOMIST: The nuclear industry

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