photoionization n.光致游離(作用)。
n. 光致游離(作用)。 “extrinsic photoionization“ 中文翻譯： 非本征光電離“molecular photoionization“ 中文翻譯： 分子光致電離“photoionization detector“ 中文翻譯： 光電離檢測器; 光離子化檢測器“photoionization efficiency“ 中文翻譯： 光致電離效率“photoionization laser“ 中文翻譯： 光致電離激光器“photoionization radiation“ 中文翻譯： 光致電離輻射“photoionization source“ 中文翻譯： 光致電離源“photoionization spectroscopy“ 中文翻譯： 光致電離光譜法“photoionization threshold“ 中文翻譯： 光致電離閾“photoionization transition“ 中文翻譯： 光電離躍遷“threshold for photoionization“ 中文翻譯： 光致電離閾“helium photoionization detector“ 中文翻譯： 氦光電離檢測器“photoionization cross-section“ 中文翻譯： 光致電離截面; 光子電離截面“photoionization detector (pid)“ 中文翻譯： 光離子化檢測器“photoionization mass spectrometry“ 中文翻譯： 光化電離質譜法“two-step photoionization“ 中文翻譯： 二級光電離“photointerrupterr“ 中文翻譯： 光中斷器“photointerrupter“ 中文翻譯： 光斬波器“photointerpretometer“ 中文翻譯： 相片判讀儀“photointerpreter“ 中文翻譯： 光電判讀儀; 相片解譯員; 相片判讀裝置; 照片判讀員“photointerpretation key“ 中文翻譯： 相片解譯標志
photojoe |
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The fabrication methods such as molecular - beam epitaxy and metal - organic chemical vapor deposition and experimental studies of their properties have been reported , and theoretical studies mainly concentrate on the impurity binding energy varying from the size , the effect of the applied electric field or magnetic field , and photoionization of impurities 在實驗上已經用分子束外延和金屬有機化學氣相沉積等技術對其物理性質進行了廣泛的研究，而理論上的研究主要集中于尺寸對雜質束縛能的影響、外加電場或磁場的作用以及雜質的光致電離效應。 |
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Finally , a specific analysis is made for our results . because we have considered the correlation between the confined and non - confined direction of the wire , the binding energy is improved and correspondingly the threshold energy is enhanced , which results in the declinement of the photoionization cross - section 最后對所得結果進行了詳細的討論，山于我們選取的波函數考慮到限制方向與非限制方向的相關性因素，從而提高了雜質的束縛能（在寬階時尤為明顯x即提高了所謂的閾能（ e ，導致了光電離截面值的減小 |
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Starting from the theory of two photoionization , we simplified the model of the ultraviolet light source , derived the equation for the spatial distributions of the initial electron density between the main electrodes , and then gave a simple method to homegenize the spatial distribution of the initial electron density between the main electrodes 本文從光離化的雙光子吸收這一理論出發，簡化紫外光源模型后，導出了主電極間初始電子密度的空間分布規律并給出了使其空間分布均勻化的簡單方法。 |
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The fabrication methods such as molecular - beam epitaxy and metal - organic chemical vapor deposition and experimental studies of their properties have been reported , and theoretical studies mainly concentrate on the impurity binding energy varying the size of the wire , the effect of the applied electric field or magnetic field , and photoionization of impurities 在實驗上已經用分子束外延和金屬有機化學汽相淀積等技術對其物理性質進行了廣泛的研究，而理論上的研究主要集中于研究量子線的尺寸對雜質束縛能的影響、外加電場或磁場的作用及雜質的光致電離效應。 |
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This dissertation concentrates on photoionizaiton of mnl and mnll including resonance structure in the framework of many - body perturbation theory ( mbpt ) . more accurate results were obtained by using the new approach to calculate resonance structure and photoionization cross section 首先針對錳原子或離子不同殼層的光電離結構進行特定的理論分析，然后通過合理的選擇勢能及共振結構的計算方法，并考慮高階關聯，得到了一系列新的更為精確的光電離截面及共振結構。 |
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In this paper , based on the previous works , we studied the properties of a hydrogenic impurity in the gaas / ga1 - xalxas rectangular single quantum wire in detail . using variational approach , the binding energy and the photoionization cross section of the impurity in the system are calculated 本文在前人工作的基礎上，研究了方形截面gaas / ga _ ( 1 - x ) al _ xas量子線中類氫雜質體系的性質，采用變分技術計算了此體系的束縛能及其光致電離截面。 |
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In this paper , based on the previous works , we study the quality of a hydrogenic impurity in gaas / gai - xalxas rectangular quantum wires in detail . using variational approach , we calculate the binding energy and the photoionization cross - section of the impurity in the system 本文在前人工作的基礎上，詳細研究了矩形截面gaas ga _ ( 1 - x ) al _ xas ( x = 0 . 3 )量子阱線中的類氫雜質體系的性質，采用變分技術計算了此體系的束縛能及其光致電離截面。 |
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According to the dipole transition selection rule , it allows the system to transit from the ground state to the first and second sub - band respectively , the shape of the photoionization cross - section varying with the photon energy in the two cases is quite different 根據偶極躍遷的選擇定則，將使得體系從基態分別躍遷到電子的第一子帶和第二子帶，二者的光電離截面隨光子能量的變化截然不同。 |
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In the calculation of the photoionization cross - section , we find that with the changing of the photon energy , the variation scope of the photoionization cross - section of the envelop function in the previous references is much smaller than that in this paper 在計算光電離截面時，我們發現:隨光子能量的變化，前人選取的包絡函數計算得到的光電離截面的變化范圍比我們的結果小很多。 |
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It ' s so hard to study the photoionization of mnll that it has two open subshells . in this dissertation , the effective single - particle potential was chosen to descript total effect of many final - state interactions 我們在耦合方程方法中依次加入了這些高階圖式，得到了較為理想的錳原子3p nd ( n 4 )里德堡系列共振結構。 |
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In part two of this paper , many - body perturbation theory has been used to calculate the resonance structure ( 3p - 3d ) into the photoionization ( 4s - kp ) for ion ca + 在本文的第二部分，運用多體微擾理論，我們計算了ca ~ +離子在4s kp的光電離過程中， 3p 3d躍遷的共振結構。 |
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In the second part , using the wave function and binding energy obtained from the first part , the photoionization cross - section of the impurity is calculated 在第二部分，我們采用第一部分所選的變分波函數和得到的束縛能進一步計算了類氫雜質體系的光致電離截面。 |
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The shapes of the photoionization cross - section varying with the photon energy in the two cases are different . we have compared the results with that of previous work 對于每一種情況都與前人的結果做了比較，同時還與無限深勢壘的情況做了比較 |
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This resonance structure results from the interference between a photoionization process or a photoionization with excitation process and a resonant auger process 這一共振結構是由于光電離過程或光電離激發過程與auger共振過程相互作用的結果。 |
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Furthermore , we use the wave function and binding energy obtained from above to calculate the photoionization cross - section of the impurity 然后在此基礎上，我們采用所選的波函數和得到的束縛能進一步計算了類氫雜質體系的光致電高截面 |
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The island - like clumps of dark clouds scattered across the nebula are nodules of dust and gas that are resisting being eaten away by photoionization 散布在星云中孤島樣的塊狀冷云是正在經受光電離吞噬的氣體和塵埃節。 |
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Characteristics of photoionization signal detection instrument 光離子化信號檢測儀的若干特性研究 |
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the photoionization rates for an overhead sun for listed in table Ⅲ－5. 直射太陽時光致電離速率列在表5處。 |
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The gas is heated by photoionization . 氣體是由光致電離加熱的。 |