decay method 中文意思是什麼

decay method 解釋
衰減法
  • decay : vi. 1. 朽，腐爛。2. 衰減，衰退。3. 凋謝，枯。vt. 使朽壞；使衰退。n. 1. 衰微，衰退。2. 朽，腐爛。3. 【無線電】衰變。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. 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
  2. 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。
  3. 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。
  4. On the basis of optoelectronic dynamics and nucleation and growth model, we simulated photosensitive process by the following steps : the creation of optoelectrons, carriers " transmission and decay, until the formation of latent image. in our simulation code, monte carlo method was adopted in order to simplify the algorithm

    本工作以光電子動力學理論為依據，利用成核生長（ nucleation & growth ）理論模型，並在此基礎上採用montecarlo方法，模擬了光電子的產生、遷移、衰減、直到形成潛影中心為止的感光過程。
  5. ~ ( 252 ) c _ f - source - driven neutron noise analysis method is a way of measuring and analyzing the reactivity of reactor or subcritical reactor, which detects subcritical neutron multiplication factor, prompt neutron decay constant, and so on

    ~ （ 252 ） c _ f源驅動噪聲分析法是一種測量、分析反應堆和次臨界系統的快速反應性的方法，可作為臨界安全的瞬時檢測方法。
  6. Measurement of minority carrier life time in germanium by photoconductive decay method

    用光電導衰減法測定鍺中少數載流子壽命
  7. Measurement of the tissue thermal conductivity by thermal pulse - decay method

    生物組織熱導率的脈沖衰減法測量
  8. The " allowed " electric dipole ( el ) transitions will encounter strong competition from " forbidden " transitions, i. e. magnetic dipole ( ml ), electric quadruple ( e2 ) and other higher order transitions, the transitions rates for the forbidden decay scale with higher powers of z than those of el transitions, the effects of quantum electrodynamics ( qed ) also scale with higher power of z. accelerator - based beam - foil spectroscopy ( bfs ) is an important method for spectroscopic studies of highly ionized atoms

    在高離化態原子中，磁相互作用明顯增強， 「允許的」電偶極（ e1 ）躍遷將遭到來自磁偶極（ m1 ） 、電四極矩（ e2 ）和其它高次的「禁戒」躍遷的強烈競爭，禁戒躍遷幾率隨核電荷數z增加而迅速增加，此外量子電動力學效應也隨著z增加而增強。
  9. The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward

    用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp （ t / ） ] ，這個關系式可以給出三個信息：穩定光強、衰減光強、衰減速度，提出了更加合理的評價led老化性能的方法。
  10. The luminous intensity of phosphor - powder synthesized by this method is 32mcd / m2 after the sample was excitated 300s, and the decay time of the sample is 350min

    該法制備出的發光粉激發后300s時的余輝強度32mcd m ~ 2 ，測量余輝時間為350min 。
  11. It ' s a more accurate method in determining the isotopic abundance of uranium. the paper describes the measurement principles that allow accurate measurements to be taken on samples of arbitrary size, shape, and measurement geometry - and of arbitrary physical and chemical composition - through the use of know nuclear decay data ( half - lives and branching intensities ). this method relies on internal gamma - ray peaks from the spectrum under analysis to self - calibrate the unknown spectrum for energy and peak shape

    本工作首次分析了pc fram軟體的演算法並使用高純鍺探測器探測歐共體低濃鈾標準樣品，使用pc fram軟體的預設參數並不能得到準確的富集度值，通過大量的實驗，本工作對鈾富集度測量中的關鍵問題進行了初步的研究並給出了本實驗室條件下準確分析鈾富集度的修正參數和條件。
  12. Study of fatigue by pat and ultrasonic decay method

    用正電子湮沒和超聲衰減方法研究金屬疲勞
  13. Measuring of minority - carrier lifetime in silicon single crystal by photoconductive decay method

    用光電導衰減法測量硅單晶中少數載流子的壽命
  14. Eddy current decay method for measurement of resistivity and residual resistance ratio of pure metals

    純金屬電阻率與剩餘電阻比渦流衰減測量方法
  15. Standard test method for determination of decay rates for use in sound insulation test methods

    隔聲試驗方法中衰減率測定的標準試驗方法
  16. The energy level structures of the 4d core excited configuration 4d 5s25p5, final radiative configuration 4d105s25p4 and final auger configurations 4d105s25p3 and 4d105s15p4 of csv ion and all possible decay dynamics processes related to these configurations are all determined by mcdf method. we also compared the present results of radiative transition, oscillator strength and the line width with the results obtained by experimental spectra and the quasi - relativistic configuration interaction method and got a good agreement. we also make prediction for some dominant features of the auger electron spectrum emitted by the auger decay process of the 4d95s25p6 core excited states

    論文第三章中詳細的介紹了cs離子的4d內殼層電子激發組態4d ~ 95s ~ 25p ~ 5 、輻射末態4d ~ （ 10 ） 5s ~ 25p ~ 4及auger末態4d ~ （ 10 ） 5s ~ 25p ~ 3和4d ~ （ 10 ） 5s5p ~ 4的能級結構及各種可能的輻射和auger衰變過程，獲得了與已有的實驗結果和相關的半經驗準相對論組態相互作用計算結果相符的輻射躍遷能、振子強度以及線寬，預言了4d ~ 95s ~ 25p ~ 5態的以auger衰變為主的auger電子譜的特性。
  17. Calculation of natural ventilation rates by tracer gas decay method was proposed, and definition of indoor criterion of carbon monoxide concentration limit and the carbon monoxide emission from cars were discussed

    提出了利用示蹤氣體法計算地下停車庫的自然通風量，並論述了如何確定室內一氧化碳允許標準及小汽車的一氧化碳排放量。
  18. Testing of carbon materials ; determination of the coefficient of permeability by means of the vacuum - decay method with air as experimental gas ; solid matters

    炭素材料試驗.用空氣作實驗氣體的真空衰減法測定透氣
  19. Adaptive learning bp algorithm and weight decay method are applied to training network

    採用weightdecaymethod訓練網路，起到修剪網路結構的作用，促使權向小的方向變化。
  20. Standard test method for nondestructive detection of leaks in packages by vacuum decay method

    使用真空衰變法無損檢驗包裝緊密性的標準試驗方法
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