輻射復合系數 的英文怎麼說

中文拼音 [fúshèfùgěxìshǔ]
輻射復合系數 英文
radiative recombination coefficient
  • 輻 : 名詞（車輪中車轂和輪圈的連接物） spoke
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 復 : Ⅰ形容詞1 （重復） repeated; double; duplicate 2 （繁復） complex; compound Ⅱ動詞1 （轉過去或轉過...
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 輻射 : radiation; exposure; radio; beaming
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs

    本文利用多組態dirac - fork （ mcdf ）理論方法，通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數，系統地研究了弛豫和相關效應對中性ne原子2p ~ 53s ~ （ 1 . 3 ） p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響，給出了長度和速度兩種不同規范下激發態的能量和輻射壽命；以中性ne原子的研究為基礎，進一步研究了類ne等電子系列離子（ z = 11 - 18 ）較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。
  2. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  3. In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition

    本文旨在通過構造反映等離子點火器內部流動規律的基本方程組，建立描述等離子點火器內部的復雜物理化學過程機制數學模型：模擬等離子發生器內部燃燒的-雙方程湍流流動模型；模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型；模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型；模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等，對模型進行一定的合理的簡化，然後數值模擬等離子點火器內部流場的流動。
  4. The new method of design robust h _ asac controller with mixed uncertainty is presented. the main ideal of the new method is as follows : the reduced modals are taken as additional disturbance for system, the original problem is transformed into the problem of robust performance design for the parameter uncertain system. then the parameter uncertain problem is reduced to the standard h _ control problem to solve

    2 .首次基於魯棒h _控制理論，提出了設計具有復合攝動的結構振動聲輻射系統魯棒h _控制器的新方法，即:通過將未建模動態作為系統的附加干擾，把復合攝動問題的魯棒性能設計問題轉化為參數不確定系統的魯棒性能設計問題，然後將參數不確定問題變化為標準h _控制問題求解。
  5. Compared with traditional air - conditioning, its advantages lie in thermal comfort energy efficiency free use of spacing and etc. this paper introduces the procedure and the result of the experiment of gas - heater radiant floor system and gshp radiant floor system and compares them with traditional air - conditioner. based on the analysis of the heat transfer of radiant floor, this paper uses the theory of heat transfer to establish a mathematical model and computes it with difference equation. the important factors inferred from the model such as floor surface temperature heat intensity composite heat transfer coefficient deviate from the experiment result in a small range of 20 % and fit the need of the practical use

    在分析了輻射地板傳熱機理的基礎上，文中利用熱傳導、大空間的自然對流換熱等傳熱學理論建立了輻射地板的傳熱模型，再採用有限差分方法對模型求解，所得有關輻射地板供冷熱性能的重要參數如地板表面平均溫度、熱流密度、地板表面復合換熱系數等與實測值相差在20以內，滿足工程使用要求；同時得出輻射地板盤管供水溫度是影響地板供冷熱性能的重要因素的結論。
  6. With reference to calculation methods of solar radiation within domestic and abroad literature and with the help of our country ' s dem ( with its resolution is 1 km x 1 km ), we build a new model for potential solar radiation calculation combining with pci geomatica ' s platform. in the calculation, hypothesis is that insofar one clear day in more than one year as the biggest value of solar radiation of one day in many years is defined as potential value of daily global solar radiation, we also consider the infection of the slope, aspect and its geometry relations affect on solar radiation. we calculate potential solar radiation which maybe useful for research the distribution of solar energy and build large - scale grid database of our country ' s solar radiation

    本研究試圖在借鑒國內外已有的太陽輻射計算方法的基礎上，利用全國的1 ： 100萬數字高程模型數據（ grid大小1km 1km ）為數據源，以pcigeomatica為計算平臺，以全國多年的太陽輻射日觀測數據進行模式驗證，在晴天無雲的理想條件下，根據太陽光線與實際地形間的幾何關系，研究坡度、坡向等地形因子對太陽輻射的影響，探討太陽輻射在復雜地表上的分配規律，力求尋找潛在太陽總輻射合理的計算方法，為研究太陽輻射時空分佈特徵和建立全國尺度的太陽輻射柵格氣象數據庫奠定基礎，為大尺度上的生態學過程研究提供基礎信息。
  7. In the thesis, i choose the horizontal and symbiotic industrial cluster basing on the natural resources as the objects to study, and make full use of knowledges from many subjects, including : economy, management, complex science, math, computing simulation, etc. through the idea of " down to up ", i make every individuality ( company ) inside the industrial clusters as a cell ; and choose techological support, labor supply, natural resourses reserve, maket overlay, intermediary service, public foundation, govenment policies as the outside influencing features ; and choose total assets, total production value, output ratio of capital as the indexes of system characters. then, i establish a computing simulation model on the optimal scale of industrial clusters basing on cellular automata model by matlab software, and simulate the shifts of characters of sigle cell according to the changing environments

    本文主要以基於自然資源稟賦的水平共生型產業集群為研究對象，綜合應用現代經濟學、管理學、復雜性科學、數學和計算機模擬方法等多學科的知識，吸納「自下而上」的思想，選取技術支撐、勞動力供給、自然資源、市場輻射、中介服務、公共基礎、政府政策七個變量作為集群成長的外部影響因素以及總資產、總產值和資金產出率作為集群的系統特徵指標，以產業集群（系統）內部的個體企業為單位元胞，參照自適應、自組織的自然演化機制模擬單位元胞自身特質受到周邊環境的變化而改變，採用元胞自動機模型和matlab軟體，建立一個基於元胞自動機模型的產業集群規模演化的計算機模擬模型。
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