射釷 的英文怎麼說

中文拼音 [shètǔ]
射釷 英文
radiothorium
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 釷 : 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、釷、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

    釷鎢電極使用很普遍，釷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. The daughter nuclides of radon and thoron tend to become attached.

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

    空氣中釷射氣活性炭收集器的研究
  5. Regulations for safe management of radioactive wastes from the mining and milling of uranium and thorium ores

    鈾釷礦冶放射性廢物安全管理技術規定
  6. Cerium - tungsten electrode, a new type of non - radiate electrode material invented in china, can not only replace the thorium - tungsten electrode in the case of low direct current and mini - scaled welding but also bears superior features over the latter

    鈰鎢電極是我國研製發明的新型無放射性的電極材料，在低電流直流條件下和小規格焊接可取代釷鎢電極，並且有更優越的性能。
  7. Lanthanum - tungsten electrode is the substitution product of thorium - tungsten electrode because of its freedom from radioactivity. its other advantage is its endurance of high current and low burn spoilage rate

    鑭鎢電極因無放射性而成為較有發展前景的釷鎢電極的替代產品。它的另一優點是耐用電流高而燒損率最小。
  8. Because of sub - critical safety, fully using of the thorium - uranium resources and efficiency disposal high - radioactivity waste, this research has become the hot pot

    因為具有次臨界安全性、充分利用釷、鈾資源和高放射性廢物的處置三大優點，成為研究的熱點。
  9. Most of earth ' s internal heat is generated by four long - lived radioisotopes ? potassium 40, thorium 232, uranium 235 and uranium 238 ? that release energy over billions of years as they decay into stable isotopes

    地球內部的熱能主要來自半衰期較長的四種放射性同位素鉀40 、釷232 、鈾235與鈾238 ，它們在幾十億年來逐漸衰變成穩定的同位素，同時釋放能量。
  10. Standard test method for analysis of uranium and thorium in soils by energy dispersive x - ray fluorescence spectroscopy

    用能量色散x射線熒光光譜法分析土壤中鈾和釷的標準試驗方法
  11. 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。
分享友人
分享到 Line

分享到臉書