polonium 中文意思是什麼

音標 [pə'ləuniəm]
polonium 解釋
n. 名詞 【化學】釙。

  1. Madame curie named it polonium in honour of her native country.

    居里夫人將它命名為釙，以紀念她的祖國。
  2. Polonium is used to set off a nuclear bomb

    後者表示「習慣于干某事」
  3. How is polonium - 210 applied in industrial processes

    釙210可以應用在哪些工業程序？
  4. Updated public health advice related to polonium - 210

    有關釙- 210事件的最新公共生發布
  5. What is the influence of polonium - 210 to health

    釙210對身體有甚麼影響？
  6. How much of polonium - 210 will be lethal

    多少份量的釙210可以致命？
  7. Public advice related to polonium - 210

    有關釙- 210事件公共生發布
  8. Radiation tidbits - radioactive polonium - 210

    放射性釙210元素
  9. Polonium occurs naturally in very low concentrations in the earth crust

    地殼內含有非常低濃度的釙元素。
  10. Where can polonium - 210 be found

    哪裡可以找到釙210 ？
  11. Polonium - 210 is also present in the fine tobacco hairs, coming from the phosphorus fertilizer used in growing tobacco plant

    煙草上的茸毛含有微量釙210 ，主要是來自土壤和菸草使用的磷肥。
  12. Polonium is a chemical element with the symbol po and atomic number 84. it is a silvery white metal

    釙polonium是一種化學元素，它的符號是po ，原子序數為84 ，它是呈銀白色的金屬。
  13. 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。
  14. The alpha particles released from polonium - 210 have a very low penetrating power and can be stopped easily by the outer layer of skin or a sheet of paper. it is unlikely that the particles can affect human body through direct irradiation. however the ionization power of alpha particles is very high

    釙210釋放的阿爾法粒子穿透能力很弱，人類的皮膚或一張紙已能隔阻它，粒子經照射影響人體的機會很微，不過由於它的電離能力很強，如果人類吸入或進食含有釙210的物質，其釋放的阿爾法粒子就能直接破壞內臟細胞，即使所吸收的份量不多，也會損害身體健康，急性高劑量阿爾法輻射可以引致輻射中毒。
  15. Polonium - 210 can be used to eliminate static electricity in machinery, remove dusts from photographic film and camera lens, and provide heat energy for thermoelectric power devices in space applications

    釙210可消除機器所產生的靜電去掉照片底片和攝影機鏡頭上的污塵及在太空工業上為恆溫發電機提供熱能。
  16. Analytical method of polonium - 210 in water - method of preparing sample by electroplating

    水中釙- 210的分析方法電鍍制樣法
  17. Polonium - 210, a naturally occurring isotope of polonium, is found in all environmental media, such as in soil, air and even in human body, at very small amounts

    釙210是釙元素的一個同位素，在所有自然環境中，例如泥土大氣以至人體都可以找到極少量釙210 。
  18. We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium

    我們發現瀝青鈾礦物中至少含有兩種放射性物質：與鉍伴生的命名為釙，與鋇伴生的命名為鐳。
  19. Potassium - 40, uranium, thorium, radium, carbon - 14, tritium and polonium are some examples

    例如鉀- 40鈾釷鐳碳- 14氚釙等。
  20. The lethal dose for acute radiation exposure is generally about 4 siverts. one becquecel of polonium - 210 causes a radiation dose of 0. 51 micro sivert 956sv if ingested, and 2. 5 956sv if inhaled. since polonium - 210 has an activity of 1. 66 x 10

    在進食或吸入1貝可bq放射性活度的釙210以後，可以分別吸收到0 . 51微希沃特956sv和2 . 5微希沃特956sv輻射劑量，而每克釙210有1 . 66 x 10
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