裂變鈾 的英文怎麼說

中文拼音 [lièbiànyóu]
裂變鈾 英文
fissioning uranium
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 鈾 : 名詞[化學] （放射性金屬元素） uranium （u）
  • 裂變 : [核物理] atomic fission; fission; nuclear fission
  1. Uranium fission may be accomplished by either fast or slow neutrons.

    鈾的裂變可用快中子或慢中子來完成。
  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公斤的鈾裂變使廣島成為廢墟時，全人類開始知道原子核並對它產生了恐懼。
  3. 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

    對幾種主動探測核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核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核彈頭后，通過測量瞬發中子在核彈頭中的增殖量，來證明核彈頭中高濃鈾存在的可行性；研究了用能量低於1mev的外中子源照射核彈頭，用測量核彈頭中裂變產生的高於源中子能量中子數的方法探測核彈頭，通過數值模擬分析了可行性。
  4. Indirect ionization by neutrons can also result from fission of plutonium or uranium isotopes.

    通過使鈈或鈾同位素裂變，中於也能產生間接的電離作用。
  5. The simulation can be divided into three processes sequentially : calculating the induced fission neutron rate of uranium and space distribution by mam - li neutron source, computing the total uranium fission neutron count rate and time distributions of 42 3he tubes, and calculating the neutron coincidence counting rate

    第一步，以ain ? li源為中子源，計算鈾的誘發裂變中子產生二率及空間分佈；第二步，以鈾的誘發裂變中子為中子源，計算化根』 ne管的總中子計數率及時間分佈；第三步，計算中子符合計數率。
  6. The error source in measuring neutron fluence rate is gived. the efficiency of u - fission chamber is studied. the effect factors to detector are analyzed and experimentally studied

    開展了鈾裂變室探測器效率的研究，對影響探測器對期望中子或非期望中子探測的各種因素進行了分析和實驗研究。
  7. Nuclear criticality safety for fissile materials outside reactors - nuclear criticality control criteria and subcritical limits for plutonium - natural uranium mixtures

    反應堆外易裂變材料的核臨界安全鈈-天然鈾混合物的核臨界控制準則和次臨界限值
  8. Standard test method for gamma energy emission from fission products in uranium hexafluoride

    六氟化鈾裂變產物釋放的射線能量輻射的標準試驗方法
  9. In addition to splitting the nucleus into two halves, the process releases two or more neutrons and a large amount of energy in the form of heat. the released neutrons in turn hit more uranium nuclei and release more neutrons to produce a chain reaction

    核裂變過程除了把原子核分裂成兩份外，亦會釋放大量的熱能及同時放出兩個或以上中子，以撞擊更多鈾原子核，再釋放更多中子，產生鏈式裂變反應。
  10. The results show that coincidence detection method has obvious benefit in detecting nuclear warheads. for the same type warhead, the coincidence counts rates of the model of warhead of heu pit is 10 times as big as that of fake warhead of natural uranium pit. if we know the nuclear warheads configuration by other methods, the method of coincidence neutron detection could be used to distinguis h the fake nuclear warheads from the reals

    計算表明用探測符合中子的方法探測核彈頭對區分真假核彈頭有明顯的優點，對于同一核彈頭模型，裂變彈芯是高濃鈾和用天然鈾替代高濃鈾時，符合中子計數相差1個量級，如通過其他途徑了解核彈頭的大致結構，符合測量的方法就可以有較高的置信度分辨真假核彈頭。
  11. Pu - 239 would produce fission in the reactor in the same way as u - 235 and contributes in supplying part of the energy for power generation

    ? - 239亦是易裂變的核素，會像鈾- 235一樣，在反應堆中產生裂變，供應部分能量以供發電。
  12. U - 238 can induce fission after absorbing a high energy neutron fast neutron and then forming the plutonium 239 pu - 239, which is a fissile nuclide

    后極可能產生裂變的核素，鈾- 238則是可裂變的核素。鈾- 238在吸收高能量的中子快中子后，會形成- 239 pu - 239 。
  13. Detecting nuclear warhead by counting delayed neutrons induced by neutron source is studied. the 2 - step calculation method is proposed to resolve the delayed neutron transportation issue. this method can save computer ' s calculation time, and is easy to operate

    本文研究了用外中子源照射核彈頭，誘發其裂變材料裂變，探測緩發中子的方法，以此判斷高濃鈾與低濃鈾，從而為核查核彈頭的真偽提供依據。
  14. With the outer neutron source which can only induce 235u fission, it could possibly prove the presence of heu in a warhead by counting the coincidence neutrons. this method possibly provides one of necessary attributions in identifying the real nuclear warheads

    本文研究了用中子符合探測方式測量能量低於1mev的外中子源在核彈頭中誘發的裂變數，以判別模型中是否含有高濃鈾，從而作為判斷核彈頭的真偽的可行性。
  15. During the next decade, criticality safety is faced with many problems, such as storage of fissile material waste, depleted uranium application for criticality safety, regulatory improvement, experiments and benchmarks, burnup credit, dry storage of spent fuels, criticality safety calculations development, consensus on subcritical margins, etc

    未來十年臨界安全將面臨含易裂變材料廢物貯存、長期地質處置、系統臨界安全分析、貧鈾在臨界安全中的利用、法規改進、臨界安全實驗與基準、燃耗信用的應用、乏燃料元件干法貯存、計算方法改進、次臨界裕度的統一標準等問題。
  16. Uranium analysis by the emission of delayed neutrons, following fission of u235, has been described by amiel.

    阿密爾論述了應用U235裂變后產生的緩發中子流分析鈾的方法。
  17. Uranium analysis by the emission of delayed neutrons, following fission of u235, has been described by amiel

    阿密爾論述了應用u235裂變后產生的緩發中子流分析鈾的方法。
  18. Test method for atom percent fission in uranium fuel radiochemical method

    鈾燃料中原子裂變百分率的測試方法
  19. Test method for atom percent fission in uranium and plutonium fuel mass spectrometric method

    用質譜法測定鈾和鈈燃料中原子裂變百分率的試驗方法
  20. Standard test method for atom percent fission in uranium and plutonium fuel neodymium - 148 method

    釹- 148法測定鈾和鈈燃料中原子裂變百分比的標準試驗方法
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