鈾金屬 的英文怎麼說

中文拼音 [yóujīnzhǔ]
鈾金屬 英文
uranium metal
  • : 名詞[化學] (放射性金屬元素) uranium (u)
  • : Ⅰ名詞1 (金屬) metals 2 (錢) money 3 (古時金屬制的打擊樂器) ancient metal percussion instrum...
  • : 屬名詞1 (類別) category 2 [生物學] (生物分類系統上所用的等級之一) genus 3 (家屬; 親屬) fami...
  • 金屬 : metal
  1. Standard guide for pyrophoricity combustibility testing in support of pyrophoricity analyses of metallic uranium spent nuclear fuel

    通過對燃燒核燃料的的自燃分析進行自燃易燃性試驗的標準指南
  2. New development of ore sorting

    礦冶放射性污染熔煉去污探討
  3. The lattice parameter, a0, and fwhm of the uo2 + x ( fluorite type ) decrease initially and stabilize later as the increasing of reaction times at 200. the uo2 + x is progressively replaced by u3o8 as the oxidation proceeds at 300

    200條件下,表層所形成的氟化鈣結構的uo _ ( 2 + x )的點陣參數a _ 0和fwhm隨著氧化時間的增加逐漸減小,然後出現穩定。
  4. Yanliao, ganhang and nanling volcanic belts are not only three important sublatitudinal volcanic belts in eastern china, but important uranium - polymetallic metallogenic belts as well

    燕遼火山巖帶、贛杭火山巖帶及南嶺火山巖帶,它們不僅是橫亙于中國東部的3條重要的近東西向中生代火山巖帶,而且也是我國3條重要的成礦帶。
  5. The basic fuel for nuclear reaction is derived from natural uranium, a very heavy metal

    核反應堆的基本燃料取自天然是一種非常重的
  6. By comparison, the initial oxidations of clean, high - purity polycrystalline niobium and uranium metal surfaces for low exposures to dry oxygen were also studied

    作為對照,還研究了低暴露氧壓下清潔表面態鈮和的初始氧化過程。
  7. Firstly, eels of uranium and niobium with different energy electrons or energy resolution has been obtained in auger electron energy spectroscopy instrument, in order to study their influence on eels. else, oxidations of niobium at different exposure pressure of oxygen have also been studied

    首先,實驗分析了不同入射電子能量和能量解析度分別對清潔表面鈮和的eels的影響,以及不同氧暴露氣壓對鈮初始氧化過程的影響。
  8. Standard test method for determination of metallic impurities in uranium metal or compounds by dc - arc emission spectroscopy

    用直流電弧發射光譜分析法測定鈾金屬或化合物中雜質的標準試驗方法
  9. It ' s hard to detect the attributes of inhomogeneous uranium in large compact containers with normal non - destructive assay methods. a non - destructive gamma ray assay method is provided in this paper. the attributes of uranium can be known by determining the high energy gamma ray 2614. 75 kev

    本方法的原理在國外的某些報告中簡單提到過,在國內尚未見到同類研究工作,本工作通過理論分析和能譜分析驗證了從-鈈循環中得到的濃縮會有少量232u的積累或玷污,並且在較厚屏蔽的情況下也可以有效測定2614
  10. A metal called uranium gave off a kind of radiation

    一種叫會發出一種射線。
  11. We consider the reaction product of treated uranium surface is mainly composed of uo2, uc ( or ucxoy ) and free carbon. it may be the mainly reason for surface layer containing uc ( or ucxoy ) to improve corrosion resistance. at the same time the change of gibbs free energies of reaction product of supercritical carbon dioxide with uranium has been computed

    通過aes分析知co _ 2長時間處理后其表面膜層中確實引入了一定量的碳,同時對高碳和低碳抗腐蝕性能的對比可說明表面膜層中碳的存在形式對試樣抗腐蝕性能有很大的影響。
  12. Experts say a disagreement over whether north korea pursued a secret uranium enrichment program is the main reason pyongyang has failed to produce a complete nuclear declaration it promised to deliver by the end of last year

    專家說,在北韓是否從事濃縮的秘密項目問題上意見分歧,導致平壤至今尚未交出核項目的完整清單,北韓原來承諾在去年年底前交出這份清單。
  13. The results indicate that the kinetic expression for the formation of uo2 + x in 25 - 150 was initially nonlinear, but switched to linear at long reaction times, that is, there exist two stages in the uo2 growth kinetics : nonlinear portion and linear portion

    室溫150下的氧化動力學曲線表明:表層氧化形成uo _ ( 2 + x )的過程中存在一個轉折點,轉折點前後形成兩個反應階段:非線性增長階段和線性增長階段。
  14. The thinner uranium foil is better for neutron measurement, so the standards is designed to be made into thin disc ( thickness 1mm and diameter 40mm ) and will be combined with matrix properly to simulate the item which to be measured

    根據中子測量的經驗,認為做成片狀較好,且層的厚度越薄越好,但現在所具備的製作片的條件最薄只能做到1mm厚。
  15. The structure of triuranuim octaoxide ( u3o8 ) and the oxidation of uranium metal were studied by x - ray diffraction ( xrd ) and rietveld method in different partial pressure of oxygen and temperatures

    本論文利用x射線衍射( xrd )並結合rietveld方法較系統地對和八氧化三( u _ 3o _ 8 )在不同溫度、壓力條件下的表層氧化情況和結構變化進行了分析研究。
  16. Where in the nineteenth century amateur for tune hunters prospected for gold, today professional geologists prospect for oil, uranium and industrial metals

    19世紀在業余時間尋求財富的人找的是黃,今天職業地質專家找的卻是石油、和工業
  17. The corrosion resistance of uranium surface treated with supercritical carbon dioxide ( scco2 ) has been studied by weight gain method and electrochemical method. the reaction product and surface element species have been studied by x - ray diffraction ( xrd ) and auger electron spectroscopy ( aes ) methods. the interaction mechanism of supercritical carbon dioxide with uranium surface by thermodynamics method was also studied

    本論文用重量法、電化學研究方法評價了經超臨界co _ 2處理后的表面抗腐蝕性能,用aes 、 xrd等分析手段研究了超臨界co _ 2與表面的相互作用機理,並從熱力學角度對超臨界co _ 2與反應的可能性進行了研究。
  18. The specimens of uranium flat were heated in air, oxygen or low pressure, to investigate the formation of uo2 + x and u3o8 on the surface layer of specimens. the processes of oxidation to uo2 + x and u3o8 were analyzed by xrd to determine the extent of surface layer oxidation and the structure of oxidations. the xrd patterns were fitted by rietveld method to refine the structure of different phases and to calculate quantificationally

    表層在大氣環境中的氧化情況進行分析研究,結果表明:所有溫度條件下,的氧化都是在表層形成一定厚度的uo _ ( 2 + x ) ,只有在較高的溫度條件下(如300 )氧化物才會進一步轉化為u _ 3o _ 8 。
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