衰變率 的英文怎麼說

中文拼音 [shuāibiànlǜ]
衰變率 英文
decay rate
  • 衰 : 衰動詞（衰弱） decline; wane
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. Given the decay rate of 26al, the lower initial ratio in the chondrules implies that these objects formed between one million and two million years after the creation of the refractory inclusions ( assuming that the radioisotope was indeed homogeneously distributed in the early solar system )

    以鋁26的衰變速率估計，這些球粒的初始比值較低，表示它們是在耐火包體產生后100 ~ 200萬年才形成（假設鋁26在早期太陽系中確實是均勻分佈的） 。
  2. The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained

    系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律；建立了相應的s - n關系，提出了縱向總應變、彈性模量的經驗公式，及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。
  3. Its decay probability per second is the inverse of this time.

    每秒的衰變幾率是這個時間的倒數。
  4. The breakdown of radioactive isotopes goes on at constant rates.

    放射性同位素的衰變在恆定的速率下進行。
  5. Light water reactors, decay heat power in

    輕水反應堆衰變熱功率
  6. The life time of the metastable n - phase state is evaluated explicitly in term of the instanton method

    對于亞穩的-位相態，我們利用瞬子技術計算了它的衰變率或壽命。
  7. Rutherford first identified the action of probability in radioactive decay.

    盧瑟福首先認識到幾率在放射性衰變中的作用。
  8. The actual rate of decay may be somewhat greater or less than this expected rate.

    衰變的實際速率可以比這個預期速率稍大些或稍小些。
  9. When the neutron decay constant is measured in the zero power assembly, the dt external neutron measurement system ( scintillator photomultiplier tube detector st - pmt ) may provide trigger - signal and time correlationship

    摘要在零功率堆上進行了衰變常數測量實驗中，建立外中子源dt中子測量系統可以為物理診斷系統提供觸發信號和時間關聯信號。
  10. When electrical parameter is changd by wet tunnel wall, electromagnetic wave propagation attenuation will vary

    摘要礦井隧道壁濕潤會引起電參數改變，從而使電磁波傳播衰減率發生變化。
  11. Decay heat power in nuclear fuels of light water reactors ; non - recycled nuclear fuels

    輕水反應堆核燃料衰變熱功率的計算.不回燒的核燃料
  12. Decay heat power in nuclear fuels of light water reactors ; non - recycled nuclear fuels ; documentation and illustration

    輕水反應堆核燃料衰變熱功率的計算.不回燒的核燃料
  13. The results show the influence of conductivity is minor and can be ignored when the tunnel wall conductivity value is lower than the breakpoint ; however, when the value is bigger than the breakpoint, the influence is greater

    研究結果顯示：當電導率小於斷點時，電磁波衰減率幾乎不受影響，當電導率高於斷點時，電磁波傳播特性會有較大的變化。
  14. The fva - uv is an opto - mechanical device that controls the amount of light transmitted between two optical fibers. internal disc varies attenuation from 0 - 100 %

    Uv是一個光學機械裝置，可控制在兩根光纖之間傳輸的光的數量，內部光片可在0 - 100 %改變衰減率。
  15. Most of the ice age spans a period of time for which no element has an appropriate decay rate

    冰川期的大部分期間都找不到具有合適衰變率的元素。
  16. Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals

    人們通常用礦物中所發現的各種放射性元素的衰變率來計算地質年代。
  17. Experiments revealed that the decay probabilities of right - spinning and left - spinning cobalt atoms were different. this phenomenon of symmetry breakdown is called the violation of the principle of parity conservation

    右旋和左旋的鈷獲實驗證明它們的衰變率並不相同，即所謂宇稱不守恆。
  18. Compared with three - level atomic system, the atomic coherence effects in four - level can lead to eit and eia, which depend on the intensity of control light and the relaxation of the fourth level

    與三能級原子系統相比，四能級原子相干效應即可導致電磁感應透明的產生，也可產生電磁感應吸收現象，取決于控制光的強度和第四個能級衰變率的大小。
  19. In the second part, the deduced self - energy in 63 theory is derived at hard thermal loop approximation. then we calculate the effective mass and damping rate, and also show that there is thermal instability above a critical temperature tc

    在此基礎上，出自能實部和虛部與一些介質效應的對應關系式，進而求得了粒子的有效質量和衰變率，並討論了_ 6 ~ 3理論的熱不穩定性。
  20. We find the decay rate of 7be in be is smaller than that in au. the change of decay rate ( 0. 71 + 0. 32 ) %, indicates that the environment can indeed alter the decay rate, and the electronic affinity is not the only factor affecting the decay rate, so that one has to take the structure of the host materials into account in explaining the change of the decay rate

    本工作將反應p + 7li 7be + n產生的7be分別注入至預計電子親和勢相差較大的材料be和au中，測量7be在這兩種材料中的衰變率的變化，發現7be在be中的衰變率要小於在au中的衰變率，其相對變化為（ o
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