衰變時 的英文怎麼說

中文拼音 [shuāibiànshí]
衰變時 英文
dph
  • 衰 : 衰動詞（衰弱） decline; wane
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  1. During the disintegration energy is released from the nucleus.

    在衰變時由原子核釋放出能量。
  2. 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。
  3. Meanwhile the pions quickly decay into mu mesons, or muons, which penetrate to the ground

    同時，介子會快速衰變成緲子抵達地面。
  4. The cardiologist uses the stethoscope for cardiac auscultation ; listening carefully to detect irregular rhythms, an s3 or s4 often noted in chf and heart murmurs heard with stenotic valve lesions

    心臟科醫生使用聽診器進行心臟聽診，仔細傾聽來發現心律失常、心力衰竭時常出現的第三心音（ s3 ）和第四心音（ s4 ）以及狹窄性瓣膜病變時產生的心臟雜音。
  5. 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。
  6. We present a charge - transport model of the photorefractive effect with two deep traps ( two deep - trap model ) based on one deep - trap model and shallow - deep - trap model. we also found dark decay behaviors which accord with the two deep - trap model in the two - beam interference experiments. the fast decay - time constant of the space - charge field is obtained as 714s

    此外，在ce ： batio _ 3雙光束干涉光折變光柵的暗衰減實驗中，也觀察到了符合雙deep模型的衰減現象，得到光折變空間電場快衰減時間常數714s ，約12分鐘。
  7. Moreover, heat energy generated during decay of heavy elements like uranium at the centre of the earth triggers tectonic movement

    還有，地球核心內如鈾等的重元素在衰變時產生熱能，驅動地殼板塊運動。
  8. Aimed at the helium damages in plutonium caused by a decay, he + ions were implanted in aluminum and the behaviors of helium in aluminum were investigated both theoretically and experimentally to simulate those effects in plutonium. at the same time, the diffusion of helium - 3 produced by tritium decay in stainless steels, which were served as the structural materials in tritium and fusion technologies, was also investigated in this thesis

    針對放射性元素鈈的衰變引起的氦損傷問題，選擇模擬材料鋁進行了he的離子注入和其中氦行為的理論和實驗研究，同時，也研究了氚工藝及聚變堆技術結構材料不銹鋼中氚衰變~ 3he的擴散行為，從而對兩種金屬中he的行為有了較深入的認識。
  9. Meanwhile we find that decay constant fn and the tt mass mv monotonously decrease as nuclear matter density increases

    我們同時發現介子的衰變常數f _和質量m _隨著核物質密度_ n的增加而單調遞減。
  10. For example, we know that within a certain time period neutrons decay into protons and some other particles.

    試舉一例：我們知道，中子在一定的時間里會衰變成質子和某些其他粒子。
  11. The operating principle of the compressed electret micromotor is the variable capacitance. the attenuation time constant of the charges on rotor surface is much longer than the shaping time of electret itself while the rotor is made of electret

    扁平駐極體微電機的工作原理是電容可變原理，電機轉子採用駐極體材料製成，轉子表面電荷的衰減時間常數要比駐極體本身形成的周期長得多。
  12. Radioactivity refers to the phenomenon of emitting ionizing radiation when a radionuclide spontaneously disintegrates

    二放射性：指核種自發衰變時釋出遊離輻射之現象。
  13. As they are positively charged, their motion will be affected by an electromagnetic field. in general, heavy atoms having atomic numbers greater than 82 would tend to emit

    在自然界內大部份的重元素原子序數為82或以上都會在衰變時釋放它，例如鈾和鐳。
  14. As they are positively charged, their motion will be affected by an electromagnetic field. in general, heavy atoms ( having atomic numbers greater than 82 ) would tend to emit

    在自然界內大部份的重元素（原子序數為82或以上）都會在衰變時釋放它，例如鈾和鐳。
  15. Given that code displayed above and a buffer that we can overflow as dissected in the previous installment, how do we combine these two pieces to get the intended result

    我們最喜歡的一種方法涉及使用電子geiger計數器，每次當它檢測到放射性衰變時，它就會生成一個脈沖。衰變之間的時間是一個實足的、純粹的隨機部分。
  16. The most widely used diagnostic radioisotope is technetium - 99m which has a half - life of six hours and releases

    常用的放射性同位素為- 99m ，它的半衰期為六小時，在衰變過程中放出射線。
  17. When we breathe in radon, the alpha particles emitted in the decay process will cause damage to our lung tissue

    氡氣在衰變過程中會放出粒子，當我們吸入氡氣時，我們的肺部便會受粒子影響。
  18. By that is meant the time which elapses before half of the existing atoms have disintegrated or exploded.

    這里所指的半衰期是現存原子的一半發生衰變或爆炸所消耗的時間。
  19. Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present

    具體工作有以下幾方面： 1 ）收集整理漫灣水電站大壩運行監測資料，並對其進行了系統分析，從觀測資料本身直觀的分析了大壩的運行狀況； 2 ）總結位移反分析的理論及方法，建立了考慮先驗信息多介質位移反分析模型，基於神經網路非線性映射功能，建立了神經網路時間序列預測模型； 3 ）以ansys軟體為平臺，開發了漫灣水電站砼重力壩運行狀態評價模塊，結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行狀態分析系統；實現了對漫灣水電站運行狀態的動態「反演-預測」分析； 4 ）利用漫灣水電站砼重力壩運行狀態分析系統，在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上，系統的分析並預測了大壩運行狀態。
  20. In this scheme, power control is primary to the rate control. when the fading channel changes slowly, the transmit data rate will be kept on an appropriate level, and only the power control works to keep up with the channel fading and balance the sir. but when the channel quality is poor, the data rate will be switched down without sacrificing the ber ; otherwise, high data rate was selected

    我們提出的方案根據反饋的sir動態改變數據的速率和功率，其中功率控制優先於速率控制，當通道變化緩慢時，數據率保持在一個相對穩定的值上，調節發射功率來維持sir平衡；當功率調節無法彌補通道的衰落時，則通過調節速率來維持sir的平衡。
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