decay ratio 中文意思是什麼

decay ratio 解釋
衰變率
  • 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。
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  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. A typical model is the atomic barium in which the state 6s 1s0 corresponds to the ground state and the states 6s6p 1p1 and 6s6p 3p1 correspond to the excited states of strong and weak transition, respectively. the decay rates of the excited states are 47khz and 19mhz, respectively, and the ratio of them is 400

    原子ba是一個典型的系統(其中能級6s ~ 1s _ 0為基態, 6s6p ~ 1p _ 1和6s6p ~ 3p _ 1分別是上述強躍遷和弱躍遷的激發能級,兩個躍遷的自發衰減速率分別為47khz和19mhz ,兩者之比為400 ) 。
  3. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子數反轉激光增益產生的機制、研究了驅動場的rabi頻率、粒子注入速率比值r _ b / r _ c 、粒子退出速率r _ o 、能級間的自發衰減速率r _ ( c - b ) 、 r _ ( a - b )和非相干泵浦速率r對增益、色散和粒子數差的影響;第二節討論了驅動場和探測場的失諧對無粒子數反轉激光增益的影響。
  4. 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
  5. Sphere - if this button is pressed the light shed by the source is confined in the sphere of radius distance rather than going to infinity with its decay ratio

    球體按下這個按鈕,光源發射的光線將被封閉再一個球體內,而不是按照衰減率發射到無限遠。
  6. In this paper, we perform the tree - level and one loop correction to two - higgs - doublet decay h tb in model ii and model iii and give diagrams of the trend of tree - level and correction decay width ratio versus tan

    )衰變在模型( model )和模型( model )中的單圈輻射修正,對這兩個模型進行比較,並給出了樹圖級和單圈修正後的兩種模型下的衰變寬度比隨參數tan變化的規律。
  7. In detail, one - photon detuning for large kerr nonlinearity and photon switching via eit should be far less than the product of the ratio of intensity of the coupling field to the intensity of the signal field, and the detuning or the decay rate of the additional transition

    具體來說,單光子失諧量的取值范圍應遠小於禍合場和信號場的強度比與微擾躍遷的失諧量或者衰減速率之積。
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