decay spectrum 中文意思是什麼

decay spectrum 解釋
衰變能譜
  • 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。
  • spectrum : n. （pl. -tra ）1. 【物理學】譜，光譜；波譜；能譜，質譜。2. 【無線電】射頻頻譜；無線電（信號）頻譜。3. 【心理學】（眼睛的）余像；殘像。4. 〈轉義〉范圍，幅度；（連續的）系列。
  1. 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。
  2. Commulative decay spectrum

    累積衰落譜
  3. 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。
  4. With the rapid development of optical fiber communication technology, low - cost and high quality near infrared laser and light emitted diode working at room temperature become widely available. the emit wavelength from these light resource is not only consistent with the three low - decay windows of fiber optics, but also with many wide - frequency or recombination absorption spectrum of environmental and industrial gases

    光纖通信技術的發展使相對低價、工作于常溫、高質量的近紅外激光器和發光二極體可廣泛獲得，這些發光光源的發射波長與光纖的三個低損耗窗口相一致，也與許多環境和工業氣體的泛頻或復合吸收譜線相一致。
  5. By the study of the whole decay curves of 10 hours, the influence of each step is summarized, and the best stoichiometry and preparation techniques are acquired. the crystal structure of sral2o4 eu2 +, dy3 + is monoclinic system, which is a high efficiency luminescence crystal structure. the emission spectrum and the excitation spectrum of sral2o4 eu2 +, dy3 + powder are measured

    此外，通過x射線衍射譜確定了所制備的sral _ 2o _ 4 ： eu ， dy長余輝材料晶體為單斜晶系結構，並測量其發射光譜，激發光譜，初步討論了sral _ 2o _ 4 ： eu ， dy長余輝蓄能材料可能的發光機理。
  6. 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。
  7. Uranium isotopes and their daughters emit - rays and x - rays during the decay process, their peak area and relative efficiency can be calculated through spectrum analysis

    在衰變過程中，鈾及其衰變子體放射出射線和特徵x射線，通過能譜分析可以求出它們的峰面積和相對探測效率。
  8. With the rapid development of optical fiber communication technology, low - cost and high quality near inferred laser and light emitted diode working at room temperature become widely available. the emit wavelength from these light resource is not only consistent with the three low - decay windows of fiber optics, but also with many wide - frequency or recombination absorption spectrum of environmental and industrial gases

    光纖通信技術的發展使相對低價、工作于常溫、高質量的近紅外激光和發光二極體可廣泛獲得，這些發光光源的發射波長與光纖的三個低損耗窗口相一致，也與許多環境和工業氣體的泛頻或復合吸收譜線相一致。
  9. These are correlation characteristic parameter, fourier spectrum characteristic parameter, power spectrum characteristic parameter, time domain amplitude characteristic parameter, linear prediction coding coefficients, instantaneous characteristic parameter, absorb and decay coefficient, velocity characteristic parameter and wavelet packet transform characteristic parameter. the parameters contain the surface relatively wide, the prediction which is suitable for the goal of many kinds of seism needs

    分別為：自相關特徵參數、付立葉譜特徵參數、功率譜特徵參數、時域振幅特徵參數、線性預測編碼系數、瞬時特徵參數、吸收衰減系數、速度類特徵參數和小波包變換特徵參數，參數涵蓋面較寬，適用於多種地質目標的預測需要。
  10. Then they decay by the emission of light. we can get the information about the structure of the atoms by analysis of the spectrum

    束箔實驗中，離子束經過加速器的質譜分析，保證了它在同位素上是純的。
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