的英文怎麼說

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英文
名詞[化學] (放射性金屬元素) thorium (th)
  1. It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust

    研究表明:野外地面射線能譜測量主要研究地殼巖石土壤中產生的能量約為30kev 3000kev的射線,這裡面包含著鈾、、鉀等天然放射性核素信息,核工程活動產生的大量人工放射性核素信息以及射線與地殼相互作用產生的相關信息。
  2. Thorium tungsten electrode is the most commonly used tungsten in america and some other countries and is a good general use tungsten. especially, it performs well when overloaded with extra amperage

    鎢電極使用很普遍,元素雖具有低輻射性,但它相對純鎢來說,已經體現出重要的改進性能。
  3. We always have time enough, if we will but use it aright

    只要我們萇樸檬奔洌?陀澇恫懷奔洳還揮謾
  4. Catalytic decoloring spectrophotometry for determination of trace thorium in coal gangue

    催化褪色光度法測定煤矸石中痕量
  5. Rare - earth metals and their oxides determination of thorium content arsenazo spectrophotometric method

    分光光度法測定
  6. Marie found another called thorium.

    瑪麗發現了另一種物質,叫
  7. Methods for chemical analysis of monazite concentrates - determination of thorium oxide content

    獨居石精礦化學分析方法氧化量的測定
  8. This is essentially a development of thoria dispersion strengthened nickel alloys.

    這本質上是用氧化彌散強度化的鎳基合金。
  9. The daughter nuclides of radon and thoron tend to become attached.

    氡和射氣的子體易被氣溶膠吸附。
  10. Study on the activated charcoal monitor for thoron in air

    空氣中射氣活性炭收集器的研究
  11. They recognized that in a thorium province pb208 would present complications.

    他們承認,含區內的Pb208會產生干擾。
  12. Determination of total rare earth and thorium oxide content

    稀土和總量的測定
  13. This is clearly confirmed by the detection of thorium

    這顯然證實了檢測
  14. The thorium nitrate volumetric rnethod for the determination of fluorine content

    硝酸容量法測定氟量
  15. Method for the determination of thorium dioxide in thorium tungsten alloys

    合金中二氧化的測定方法
  16. Determination of thorium dioxide in thorium - tungsten alloys - weight method

    合金中二氧化的測定重量法
  17. Determination of thorium oxide content

    氧化量的測定
  18. Study on adsorption thorium properties and mechanism of extraction resin

    5209萃淋樹脂吸附的性能和機理研究
  19. Methods for chemical analysis of thorium nitrate - determination of lead content

    硝酸化學分析方法鉛量的測定
  20. Thoriated tungsten filament

    鎢燈絲
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