radioactive elements 中文意思是什麼

radioactive elements 解釋
放射形元素
  • radioactive : adj. 【物理學】放射性（引起）的。n. -activity 放射性；放射（現象）。
  • elements : 德魯伊選擇元素
  1. It had been used for practical ends, to identify elements and to unravel radioactive decay chains.

    已將其用於實踐的目的，去鑒別元素和闡明放射性衰變系。
  2. The large number of radioactive isotopes among the heavy elements fit into three series.

    重元素中的大量放射性同位素分屬於三個系列。
  3. The transmutation of the elements was no longer the privilege of the radioactive substances alone.

    元素的衍變不再是放射性物質獨具的特點。
  4. This product is mainly used for preparing pure and high purity water, waste water treatment, and extraction of biochemicals and radioactive elements. it is also used in catalyst

    本產品主要用於純水，超純水的製作，廢水處理，生化製品的提取，也用於催化劑和提煉放射性元素等。
  5. For example, it can be used to desalinate sea water or brackish water, to remove salt in the process of concentrating solutions, to prepare inorganic compounds electrolytically, to recover and to purify radioactive elements, to soften and desalinate water for boiler, and to process industrial products in metallurgy, coal, electronics, pharmaceuticals, chemical engineering, food and other industries

    例如海水，苦鹹水的淡化，溶夜的脫鹽濃縮，電解製作無機化合物以及放射性元素的回收提純，鍋爐水的軟化脫鹽，電子、醫藥、化工、食品、煤炭、冶金等工業品處理。
  6. " for his investigations into the disintegration of the elements, and the chemistry of radioactive substances

    對元素的蛻變以及放射化學的研究
  7. Petrographically and mineralogically similar rocks quite often have different concentrations of radioactive elements.

    巖石學礦物學上類似的巖石，其放射性元素豐度卻往往有所不同。
  8. Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals

    人們通常用礦物中所發現的各種放射性元素的衰變率來計算地質年代。
  9. We have interpreted in the same way the production of radioactive elements in boron and magnesium in the first an unstable nitrogen with a half life of 11 minutes is produced, and in the second, unstable isotopes of silicon and aluminum

    我們還用同樣的方式解釋了在硼和鎂中製造放射性元素的過程：首先製造一種半排出期為11分鐘的不穩定的氮，然後製造不穩定的硅和鋁同位素。
  10. The rate at which radioactive elements disintegrate varies from one element to another.

    放射性元素的衰變速度隨元素種類的不同而不同。
  11. In doing so, they have shown that the predictions of chemistry ' s central blueprint, dmitri mendeleev ' s periodic table, extend reliably into the realm of heavy, short - lived, radioactive elements that do not exist in nature

    在這些工作中，他們顯示預測化學的主要藍圖：門捷列夫的元素周期表，即拓展自然界不存在的但可信賴的重的，短期，放的射性的元素。
  12. Article 26 in conducting general surveys and prospecting for special fragile nonmetallic minerals, fluid minerals, combustible, explosive and soluble minerals and minerals containing radioactive elements, methods prescribed by the relevant departments under the people ' s governments at or above the provincial level must be used, and necessary technical installations must be provided and safety measures applied

    第二十六條普查、勘探易損壞的特種非金屬礦產、流體礦產、易燃易爆易溶礦產和含有放射性元素的礦產，必須採用省級以上人民政府有關主管部門規定的普查、勘探方法，並有必要的技術裝備和安全措施。
  13. " in recognition of their synthesis of new radioactive elements

    合成了新的放射性元素
  14. Radium and uranium are radioactive elements

    鐳和鈾是放射性元素
  15. Inorganic chemicals ; organic or inorganic compounds of rare - earth metals, of radioactive elements or of isotopes

    無機化學品；稀土金屬，放射性元素及其同位素之有機及無機化合物
  16. I shall now speak to you of the experiments which have led us to obtain by transmutation new radioactive elements

    我現在跟諸位講講那些使我們通過蛻變法獲得新的放射性元素的實驗。
  17. On the basis of distribution of radioactive elements and geological background, the theory equation of radon exhalation rate is derived from the decay rule of radioactive elements and gas diffusion

    根據放射性元素分佈規律、地質背景及放射性元素衰變等，建立了計算氡析出率的理論公式。
  18. The relationship between the - ray intensities in atmosphere and the concentration of radioactive elements in soil and the materials of buildings has been established in this paper, based on the theories of the interaction of radiation with matter

    摘要建立土壤和建築物中放射性核素與空氣中照射量率之間的理論公式，得出了單邊建築物旁和建築物之間射線照射量率的分佈規律。
  19. Even without these man made sources of radiation, exposed to natural background radiation. the rocks and soil of the earth s crust contain variable amounts of natural radioactive elements such as uranium and thorium. this varies with geography - for example the hottest places in britain are cornwall and around aberdeen

    就算排除人為輻射，人類會在天然環境中接觸到本底輻射，如地球外殼的巖石和泥土含有份量不同的輻射元素如鈾和釷，而份量視乎地理位置，如英國的康瓦爾和阿伯丁郡最為熱點。
  20. Compared with ordinary stones, a high - intensity, no color difference, not faded, corrosion resistant, do not contain any radioactive elements such characteristics

    與一般石材相比，具有強度高、無色差、不褪色、耐腐蝕、不含任何放射元素等特點。
分享友人
分享到 Line

分享到臉書