decay 中文意思是什麼

音標 [di'kei]
decay 解釋
vi. 不及物動詞 1. 朽，腐爛。
2. 衰減，衰退。
3. 凋謝，枯。
vt. 及物動詞 使朽壞；使衰退。
n. 名詞 1. 衰微，衰退。
2. 朽，腐爛。
3. 【無線電】衰變。

  1. Mortar pumps to bear the decay and abrade

    耐腐耐磨砂漿泵
  2. Accidence discuss of water hunting by using half decay time method on island tundra

    凍土帶上半衰時找水初探
  3. The decay of the shrine is due, in part, to acid rain

    這座寺廟會傾圮的部份原因是因為酸雨。
  4. Actinium decay series

    錒衰變系
  5. Many natural fibers decay rapidly when exposed to aerobic cultures.

    許多天然纖維在需氧菌的侵襲下則迅速腐壞。
  6. The theory of alpha decay utilizes this model.

    衰變理論用了這種模型。
  7. Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.

    粒子是從天然放射性蛻變得到的帶正電的氦核。
  8. It was feared that without some forms of americanization immigrants would cause a rapid decay of american institutions.

    人們擔心，沒有某種形式的美國化，移民將會導致美國制度的迅速解體。
  9. Abstract : two important factors, the loss of the catalyst components and the change of the catalyst particle diameter, which lead to the decay of the catalyst for amination of fatty alcohols, were studied. the dimension analytic method is applied successfully to determine the relations among the components loss, the particle diame - ter and the times of the catalyst used in repeated experiments

    文摘:對引起脂肪醇胺化用催化劑失活的重要因素? ?組分流失及粒徑變化進行了研究，運用因次分析方法將催化劑的重復使用次數、組分流失及粒徑等因素進行了關聯，並取得了成功。
  10. Effective decay curves and articulation formula

    混響曲線的轉折與清晰度評價
  11. In the preparation of microscope slides, the process by which tissues are rapidly killed and preserved by chemicals to prevent decay or autolysis with minimal distortion of structure

    在制備顯微鏡切片的過程中，通過固定，在將對植物組織結構的破壞降至最低程度的基礎上，採用化學物質將細胞迅速殺死並保存，以阻止組織腐爛或自溶。
  12. It may develop in place by the decay and disintegration of bedrock.

    它可能是通過基巖的腐蝕和崩解就地生成的。
  13. Let us very briefly rehearse one or two facts about nuclear beta decay.

    讓我們非常簡要地復述一下有關該衰變的一兩件事實。
  14. The radioactive transformation giving rise to these electrons was known as beta decay.

    產生這種電子的放射性變化，稱為衰變。
  15. The shape of the electron spectrum in beta decay is not dominated by properties of the matrix element.

    衰變的電子譜的形狀不取決于矩陣元的性質。
  16. Couched in mathematical language within the framework of the quantum theory, it gave a satisfying explanation of beta decay.

    如按量子理論的觀點表達為數學語言，就可對衰變作出滿意的解釋。
  17. These radionuclides undergo radioactive decay, by emitting harmful alpha particles, beta particles or gamma rays

    它們在衰變期間會放出對人體有害的粒子粒子或射線。
  18. In some kinds of beta decay, a nuclide loses surplus positive charge by emitting a positron ( in the same event, a proton becomes a neutron, and neutrinos are also given off )

    以某種貝它衰減，一個核素靠發出一個正電子失去剩餘正電荷（在相同的事件中，一個質子變成一個中子，而且也發射微中子） 。
  19. They designed sophisticated experiments to test their hypothesis and proposed them to another chinese physicist, c. s. wu, who later confirmed their prediction of symmetry breakown in the beta decay experiment of cobalt

    美籍華裔物理學家楊振寧和李政道教授相信自然界並非如此，他們提出論據並由另一位華裔物理學家吳健雄博士通過鈷的衰變實驗所證實。
  20. Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically

    本論文運用mcdf方法，通過系統考慮電子相關效應和馳豫效應，分別研究了cs離子的4d內殼層激發態衰變動力學特性，超重元素bh （ z = 107 ）的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。
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