rate equation 中文意思是什麼
rate equation
解釋
動力學方程-
In chapter two, the basic principles of rempi technique are introduced including the resonance enhanced effect, the selection rule, the mechanism of photoionization and photodissociation, rempi rate equation and the property of rydberg state
第二章介紹了rempi技術的基本原理，包括多光子共振躍遷的選擇定則、電子態的光解離機理、描述rempi過程的速率方程和分子rydberg態的性質。 -
After generalizing the characteristic of modern equipment, the mission of equipment management and general situation of chinese equipment management, basied on two forms of equipment management - - - - - - practicality & value, the author combined quantitative & qualitative methods with example to analyze and discuss questions, especially the reasonable update & depreciation, accordingly achieving the optimization of the technical efficiency & economic benefit 0 one of emphases of the thesis is methods application of equipment reasonable update, that is starting with economic benefit to looking for reasonable using fixed number of year. the thesis used inferior - converted numeric method and rate equation which based on the theory square and combined with harbor loading machines & tugboat ' s actual facts, calculated the economic life of the same machine in order to make sure harbor machines " reasonable using fixed number of year. at the same time, the author made use of midpoint value regress method and stochastic trapeziform forecast method to calculate and analyze and gain the reasonable conclusion o the other emphases is questions of harbor equipment
本文概括介紹了現代設備的特點、設備管理的任務以及我國設備管理發展的概況后，作者從設備經濟管理的兩種形態? ?實物形態和價值形態出發，採取定量與定性相結合，以定量為主，結合實例進行分析與論述，對港口設備的合理更新與折舊問題進行了著重研究，從而實現設備的技術效能和經濟效益的最優化。本文研究的重點之一是設備合理更新的方法應用，即從經濟效益出發，來尋求設備的合理使用年限。本文結合港口裝卸機械和港作拖輪的實際，運用以正方形理論為基礎的低劣化數值法和費用方程兩種方法，計算了同一種機械設備的經濟壽命，從而確定港機合理的使用年限，同時，運用了中點值回歸法和隨機梯形預測法進行計算和分析，得到了合理的結論。 -
Based on the rate equation and the temperature characteristic of the ld, the temperature control object model and the temperature control error of dfb - ld are analyzed. then the power and wavelength output characteristic is farther analyzed
首先從ld的溫度特性入手，分析了分佈反饋式ld （ distributefeedbacklaserdiode ， dfb - ld ）的溫度控制誤差、溫度控制對象。 -
Conservation law of mass, the state equation for ideal gas 、 thermodynamic equation and flow rate equation are used to establish first order differential mathematic model, and a special investigation on mass flow rate coefficient for different components are carried out to make the model more accuarate
從模擬和實驗兩個方面進行研究，著重於把ameset和客戶化定製兩種方法結合起來使用，利用質量守恆定律、理想氣體狀態方程、熱力學方程、流量方程等建立一階微分數學模型，並配以amesim平臺對所建立的模型進行進一步的系統模擬驗證。 -
The fundamental properties of cr4 + : yag is researched, and rate equation is given when the gauss ' s distribution is considered
當注入泵浦功率為8w時，得到2 . 85w的激光輸出。 -
Adopting the amendatory rate equation, the threshold of the micro - cavity has been studied and the conclusion is shown as following : if there is not non - radiation transition, the pump velocity just need to compensate the photon velocity escaped from the cavity, and the intensity of output light will direct ratio to the intensity of input light then we got a micro - cavity laser with no threshold
採用修正的速率方程對微腔激光器的閾值進行研究，得到如下結論：在沒有無輻射躍遷時，激光器的泵浦速率只需恰好補償光子向腔外的逃逸速率，輸出光強隨著輸入泵浦光強性線增加，實現所謂的「無閾值」激光器。 -
In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched
首先，從er ~ （ 3 + ） - yb ~ （ 3 + ）能級結構出發，結合激光穩態速率方程與傳輸方程，對鉺鐿波導激光器的三個主要性能參數:閾值功率、輸出功率、斜率效率作了理論計算分析，並研究了鉺、鐿離子濃度、光波導激活長度、信號光與泵浦光光斑半徑比例、輸出耦合鏡反射率對這三個關鍵性能參數的影響。 -
On the basis of the deep study of the current studying situation of multi - wavelength fiber lasers and its tendency of development, we make clear the significance of the study of multi - wavelength fiber lasers and propose a novel multi - wavelength erbium - doped fiber ring laser at room temperature. in this thesis, firstly, with the rate equation theory, we use analytical methods to deduce the relationships of the lasing wavelength and output power vs erbium - doped fiber length, coupler ratio and intracavity losses. the experimental results show a good agreement with the calculated values
本文首先從速率方程理論出發，利用解析的方法推導出摻鉺光纖激光器輸出特性參數與摻鉺光纖和耦合器參數之間的定量關系， （如，激光輸出功率、波長與摻鉺光纖的長度、摻雜濃度、耦合器耦合比及腔的損耗等參數之間的關系） ；並從實驗上加以分析討論，實驗結論與理論值相吻合；利用改變耦合器的耦合比獲得了幾個nm的波長調諧。 -
Solving the rate equation numerically, the influence of the factor a and the reflectivity r on the transient characteristics of the ecld has been analyzed when the shape of the hysteresis loop looks like a parallelogram approximately
通過對速率方程組進行數值求解，分析了當ecld雙穩環呈現近似的平行四邊形時，譜線展寬因子和ld鍍膜端面反射率r對雙穩跳變瞬間動態特性的影響。 -
The relaxation oscillation in solid - state laser with relaxation oscillation pumping is studied theoretically by the rate equation. the undulation of the laser photon density contains relaxation oscillation frequency itself and that of pumping. when those two frequencies are close, the oscillation will be resonated
我們用速率方程小信號近似方法對泵浦帶有弛豫振蕩的固體激光器的弛豫振蕩的特性進行了系統的理論研究，發現實際光子數的起伏同時具有自身固有的弛豫振蕩頻率和泵浦光的弛豫振蕩頻率兩種分量。 -
Consistency among reaction rate equation and state equations of solid explosive
固體炸藥反應速率方程與狀態方程的相容性研究 -
Burn - rate equation
燃燒速率方程 -
In this paper, the unstable interior diffusion equation with precise solution of flaky pellet and the macroscopic reaction rate equation are given
文章給出了薄片顆粒的不穩定內擴散方程及其精確解，並導出了宏觀反應速率方程。 -
Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers
其中，在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響；然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗，通過分析它們對振蕩激光腔模尺寸的影響，得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求，為高功率連續單頻nd ： yvo _ 4激光器的優化設計提供了理論依據。 -
1. through reinterpreting the rationale of the strapdown inertial navigation in terms of dual quaternion algebra, we obtain three dual quaternion kinematic equations that take the same forms as the conventional attitude quaternion rate equation
1 .運用對偶四元數代數重新詮釋捷聯式慣性導航的基本原理，得到了三個對偶四元數運動學方程，其形式均與姿態四元數微分方程一致。 -
First, some principle that should be considered in building a laser cavity was discussed based on the rate equation of four - level laser model. then, the thermal lens effect of nd : yvo4 crystal was analyzed and estimated theoretically. the laser cavity was designed by considering the thermal lens effect and the optimal transmission was estimated
首先在理論上通過四能級激光器速率方程，討論了激光器設計上需要注意的一些原則，然後分析了nd ： yvo _ 4晶體的熱透鏡效應，理論上估算了其熱焦距的大小，並且在腔型設計中給予了考慮。 -
The rate equation formalism is used to develop the concepts of laser threshold, population inversion and modulation response
比例方程式形式用來生成雷射臨界點、能態數反轉與調變反應的概念。 -
In the second chapter, the operating principle of solid - state laser is analyzed. based on the model of four - level system, the interacting theory between laser field and laser crystal is studied by the rate equation theory, then the characters, such as threshold power, output power, slope efficiency etc., of solid - state laser are deduced
第二章分析了固體激光器的工作原理，以四能級系統為模型，應用速率方程理論研究了激光場與激光晶體之間相互作用理論，導出了固體激光器的閾值功率、輸出功率和斜效率等特性。 -
In this thesis, we used the q - switched nd : yag laser pulse focused by lens to pump the cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, with the pump laser pulse duration and energy of 30ns and 50 mj separately, and got the laser pulse with center wavelength, pulse duration and energy of 1. 22 m, 8. 2 ns and 10 mj on the best work condition. on the base of zhangguowei s approximation about gain - switching and the parameter of cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, we calculated the time characteristics of cr ~ ( 4 + ) : mg _ 2sio _ 4 laser pulse with rate equation by numerical method, obtained the conclusion that the laser pulse duration is only related to the pump energy and cavity length : the larger the pump energy is, the narrower the pulse duration is ; the longer the cavity is, the wider the
本論文採用調qnd : yag脈沖激光通過透鏡聚焦后縱向抽運cr ~ （ 4 + ） : mg _ 2sio _ 4晶體，抽運光脈沖寬度為30ns 、能量為50mj ，在較佳工作條件下得到了中心波長為1 . 22 m 、脈寬為8 . 2ns 、能量為10mj的激光脈沖;並在張國威分析增益開關時間特性的近似法基礎上，結合實際的cr ~ （ 4 + ） : mg _ 2sio _ 4激光器的相關參數，從速率方程出發，用數值計算的方法更為精確的模擬了cr ~ （ 4 + ） : mg _ 2sio _ 4激光器輸出激光脈沖的時間特性，得出了激光脈寬只與抽運能量、腔長有關的結論，即抽運能量愈大，脈寬越窄;腔長越長，脈寬則愈寬。 -
Abstract : the saturation behavior of stress current is studied. the three types of precursor sites for trap generation are also introduced by fitting method based on first order rate equation. a further investigation by statistics experiments shows that there are definite relationships among time constant of trap generation, the time - to - breakdown, and stress voltage. it also means that the time constant of trap generation can be used to predict oxide lifetime. this method is faster for tddb study compared with usual breakdown experiments
文摘:基於一階速率方程，討論了恆定電壓應力下應力電流的飽和行為.通過對應力電流的擬合，發現存在三類缺陷產生的前身.更進一步的統計實驗顯示，在缺陷產生時間常數、擊穿時間以及應力電壓之間存在著明確的關系.這意味著缺陷產生時間常數能夠被用於有效預測氧化層的壽命.與常規的氧化層擊穿實驗相比，基於缺陷產生時間常數的預測更快、更有效
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