鈾核 的英文怎麼說

中文拼音 [yóu]
鈾核 英文
nucleus of uranium atom
  • : 名詞[化學] (放射性金屬元素) uranium (u)
  • : 核構詞成分。
  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、釷、鉀等天然放射性素信息,工程活動產生的大量人工放射性素信息以及射線與地殼相互作用產生的相關信息。
  2. In 1945, all mankind came to know and fear the nucleus when the fission of 1 kg of uranium devastated hiroshima.

    1945年,當1公斤的裂變使廣島成為廢墟時,全人類開始知道原子並對它產生了恐懼。
  3. Such unprecedented laxity in india will make it hard to get others ? for example, brazil, which already does some uranium enriching of its own ? to accept the tougher inspections

    對印度這種沒有先例的寬松將很難使像已經進行了一些濃縮的巴西那樣的國家接受更為嚴厲的查。
  4. With the development of nulear power industry, more and more attention has been given to the spent nulear fuel reprocessing. purex process will remain predominant in the foreseenable future. because the valence of np, one kind of transuranium elements, is easy to interchange, the route of np in purex process is difficult to be controled. a lot of work has been done on the control of neptunium way in the world

    隨著電的發展,乏燃料后處理引起了人們的廣泛關注。 purex流程在乏燃料后處理中一直佔有主導地位。由於超元素np的化學價態容易相互轉變,使purex流程中np的走向不易控制而傾于分散。
  5. In analyzing the neutron active detection, the neutron multiplication in the nuclear warheads induced by outer neutron source with different neutron energys is studied with numeral simulation, and the feasibility of through counting neutrons to determine the presence of high enrichment uranium ( heu ) in nuclear warhead has been proved. the method of detecting the warhead which contains heu pit by counting the released neut rons whose energy is higher than that of source neutron is studied. the feasibility of this method has been studied

    對幾種主動探測彈頭方法進行的研究中,首先對不同能量各向同性外源中子照射彈頭的中子增殖行為進行了數值模擬,檢驗了用外源中子照射彈頭后,通過測量瞬發中子在彈頭中的增殖量,來證明彈頭中高濃存在的可行性;研究了用能量低於1mev的外中子源照射彈頭,用測量彈頭中裂變產生的高於源中子能量中子數的方法探測彈頭,通過數值模擬分析了可行性。
  6. China has supported the agreed framework ; yet north korea has said that it considers that framework " nullified. " china is a state party to the nonproliferation treaty ; yet north korea - also a member - has clearly violated its npt commitments with its covert uranium enrichment effort

    中國支持《框架協議》 ,但是北韓自稱這個協議已經「無效」 。中國是《不擴散條約》的簽字國,然而北韓它也是成員國暗中提煉濃縮,顯然違反了對《不擴散條約》的承諾。
  7. Determination of the oxygen uranium ratio in uranium dioxide nuclear fuels

    二氧化鈾核燃料中氧比例的測定
  8. However, the actual weight of uranium or plutonium in such a weapon is greater than this amount.

    可是,在一枚那樣的武器中,或鈈的實際重量要比這個數字大得多。
  9. The transuranic elements especially the minor actinides ( ma ) in spent fuel represent potential environmental radiotoxicity hazard in the long term

    電站乏燃料中超鈾核素,特別是其中的少數錒系素( minoractinides ,簡稱ma ) ,對環境具有潛在長期放射性危害性。
  10. This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows : ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system

    在介紹國內外最新研究進展的基礎上,重點討論高放廢物地質處置的若干關鍵科學問題:處置庫場址地質演化的精確預測、深部地質環境特徵、多場耦合條件下(中(高)溫、地殼應力、水力作用、化學作用、生物作用和輻射作用等)深部巖體、地下水和工程材料的行為、低濃度超放射性素的地球化學行為與隨地下水遷移行為及處置系統的安全評價。
  11. None of the xenon isotopes we measured were the direct result of uranium fission

    我們所測量到的氙同位素,根本都不是直接由分裂而來。
  12. The author and two colleagues recently used measurements of xenon gas ( a product of uranium fission ) to deduce that one of these ancient reactors must have operated with a duty cycle of about half an hour on and at least two and a half hours off

    作者與兩位同事最近透過氙氣(分裂產物)的測量推測,這些遠古反應器其中之一必定曾經以運作半小時、關閉兩小時半的周期進行反應。
  13. Standard specification for nuclear - grade uranyl nitrate solution or crystals

    純級硝酸酰溶液或晶體的標準規范
  14. Standard test methods for chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of nuclear - grade uranyl nitrate solutions

    純級硝酸酰溶液的化學的質譜的光譜化學的
  15. Specification for nuclear grade sinterable uranium dioxide powder

    級可燒結二氧化粉末技術條件
  16. Standard specification for nuclear - grade, sinterable uranium dioxide powder

    純級的可燒結二氧化粉末標準規范
  17. Recent development of novel superconductive materials

    二氧化鈾核燃料芯塊燒結工藝的發展概況
  18. Quality control for plate - type uranium - aluminum fuel elements

    片狀鋁鈾核燃料元件的質量控制
  19. Physicists investigating heavy - particle collisions believe they are on the track of a universal form of matter, one common to very high energy particles ranging from protons to heavy nuclei such as uranium

    研究重粒子對撞的物理學家相信,他們正在尋找某種物質的普遍結構,也就是尋找一種從質子到重(如鈾核)的超高能粒子共同結構。
  20. Determination of the u isotopic content in uranium containing nuclear fuel solutions by spectrometry

    光譜分析測定含鈾核燃料溶液中235同位素含量
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