decay theory 中文意思是什麼
decay theory
解釋
痕跡消退理論-
The theory of alpha decay utilizes this model.
衰變理論用了這種模型。 -
Couched in mathematical language within the framework of the quantum theory, it gave a satisfying explanation of beta decay.
如按量子理論的觀點表達為數學語言，就可對衰變作出滿意的解釋。 -
For tensor glueball exchange theory, we get the differntial cross section and total cross section from the decay width of experimental data. the theoretical prediction fit the experimental data very well
對廠張紂股f球交換理論，我們從張鉻階f球的衰變覓度的實驗數據，計算出微分敝射截面和總散射截面。 -
We define the recombination time of excess electrons in p field as the minority carrier lifetime. in theory, we developed the equation between excess minority carriers lifetime and the open - circuit voltage decay ; moreover, the effect of capacitance to general open - circuit voltage is also investigated. both different efficiency solar cells are measured by the method and showed the relations between the minority carrier lifetime and the performance of solar cells, which provides great useful guidelines for fabricating high - efficiency silicon solar cell in industry
根據太陽電池的工作原理，詳細地論述了用脈沖光源照射n / p結太陽電池時光電壓的產生，理論上給出了注入p區的電子復合帶來的開路電壓與少子壽命的關系，也研究了n / p結勢壘電容放電對開路電壓衰減的影響關系，推導了利用開路電壓隨時間衰減的關系來測量少數載流子壽命的理論公式。 -
Based on the generalized dynamic inflow theory and classic non - steady aerodynamic loading theory, a real time model is obtained by establishing wake distortion and decay
在廣義動態入流理論的基礎上，基於經典非定常氣動載荷理論，建立了尾跡畸變和尾跡耗散的實時分析模型。 -
We use full quantum theory to investigate the decay distribution of atoms in one - dimensional photonic crystal and the quantum interference property of a v - type three - level atom placed between two parallel plates
採用全量子理論，本文研究了一維光子晶體中原子自發發射的壽命分佈和置於兩平板介質之間的v型三能級原子的量子干涉性質。 -
Chapter two introduces the theory of optical cavity decay time method
第二章介紹了時間衰減法測量無源諧振腔總損耗的原理。 -
In chapter 3, the non - linear equation was linearized with the jacobi matrix, and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ). meanwhile, the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ). the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies
然後，在穩態響應的基礎上利用雅各比矩陣對非線性方程進行了線化，線化后的方程利用多槳葉坐標變換轉換到固定系下后，利用直接特徵值分析（地面、懸停）或floquet理論（前飛）對系統進行了穩定性分析;同時，對系統進行了瞬態響應分析;在系統達到穩態的基礎上進行掃頻激勵，用fft變換求得系統頻率，進而用移動矩形窗方法分析得到系統的阻尼。 -
Then, according to waveguide theory, planar waveguide is analyzed. the main parameters, such as spread constant, decay coefficient, cut - off wavelength and so on, are deduced from dispersion formula of planar waveguide. the distributions of electromagnetic wave in the planar waveguide are obtained also
其次根據波導理論分析了平面波導，由平面波導的色散方程推導出了導模的傳播常數、衰減系數、截止波長等特徵參數以及波導中光波電磁場的分佈。 -
On the basis of distribution of radioactive elements and geological background, the theory equation of radon exhalation rate is derived from the decay rule of radioactive elements and gas diffusion
根據放射性元素分佈規律、地質背景及放射性元素衰變等，建立了計算氡析出率的理論公式。 -
Ventilation function and tracer - gas decay theory are applied to design the experiment. in the experiment, velocity and carbon dioxide concentration are measured and carbon dioxide time - levels in different experimental cases are obtained. also, the effect of moving people in experimental room on contaminant field is analyzed and subjective feelings are investigated
本課題首次以旋流通風方式為研究主線，運用通風方程和示蹤氣體衰減理論設計實驗方案，對旋流通風方式下普通會議室的速度、二氧化碳濃度進行了測試，分析了人員隨意走動對濃度分佈的影響，並調查了受試人員對各工況的主觀評價。 -
In theory we fit and analysis the data that observed from the experiment to research the properties ( mass, decay width, spin and so on ) of particles and find new particles or resonances
在理論上擬合所測到的數據，對數據進行分析以研究粒子的性質（質量、衰變寬度和自旋等物理量）和尋找未知的新粒子或共振態。
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