介子動力學 的英文怎麼說
中文拼音 [jièzidònglìxué]
介子動力學
英文
mesodynamics-
The applications and developments of the rotor - ambs system in the engineering are showed in recent years. in particularly, we present the results for the studies of nonlinear dynamics in the rotor - ambs system. we also point out the trend of the rotor - ambs system in future and the necessity of the study on the nonlinear dynamics of the rotor - ambs system
本文的研究內容和所獲得的主要結果有以下幾個方面: ( 1 )綜述了磁懸浮研究的歷史,介紹了主動式電磁軸承-轉子系統在工程實際中的應用,主動式電磁軸承的研究現狀,總結了近十年來國內外對電磁軸承-轉子系統非線性動力學的研究進展和取得的成果,指出了電磁軸承發展的趨勢及進行非線性動力學研究的必要性。It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed
)的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。These years, solid adsorption used in heat pumps and refrigerating / air - conditioning systems has been rapidly developed and saved energy because of the demands in the field of energy and environment. most of molecular sieve diameters lie within the nano - scale, but the classical condensation theories show some limitations in explaining the adsorption phenomenon in nanopores
資料表明,經典傳熱傳質學的連續介質傳遞理論在解釋和預測納米尺度微孔吸附/脫附過程的相變特徵方面,存在局限性,相比之下,分子動力學模擬能克服這一缺陷再現納米微孔中的吸附過程。Abstract : the mathematical model that describes the reaction kinetics and molecular weight distribution for the polycondensation reaction process is developed by methods of reaction extent and generation function, in which an industrial process of poly ( ethylene terephthalate ) production is taken as an example. the methods for solving the model are discussed
文摘:以一個工業化聚酯生產過程為例,將反應度法和生成函數作為工具,建立了描述此類縮聚反應過程的反應動力學及其分子量分佈的數學模型,並介紹了求解數學模型的方法。Based on the above analysis, the dynamical fluctuations inside the gluon jets and ( mark jets are investigated separately using monte carlo method. the results show that the properties of dynamical fluctuations inside the quark jets in the 3 - jct events is the same as that in the 2 - jet events. while in the 3 - jet events the dynamical fluctuations in pt direction inside quark jets is stronger than that inside gluon jets indicating the fragmentation dynamics in these two kinds of jets is quite different
從而證明了用改進的角度法則s髓成功地從3噴注事件中拄瞼出馳,反中克和膠介吹注米?在以上研究的基礎上,本文對用改進的角度腳栩隧出來的夸克賬和膠子哪內部的動力學起伏進行廠mon比carlo研究?結果顯示, 3噴注事件中的夸克噴注和噴注事件中的夸克噴注內部有完全相同的動力學起伏性質In this thesis we discuss these three aspects in detail and our main research work is outlined as follows : in section 2 we first give a definition of entanglement and illustrate some distinctive qualities of entangled states, then explain how to describe entanglement of multi - particle quantum state. in section 3 we show many existing different schemes for preparation of entangled states by spontaneous parametric down conversation, cavity quantum electrodynamics and iron traps, moreover we present new schemes to prepare multi - atom entangled states as well as multi - cavity entangled states
在第二章中我們將給出糾纏態的定義和度量,研究糾纏態的一些特性,第三章中我們將系統介紹目前理論上利用自發參量下轉換,通過腔量子電動力學和離子阱制備糾纏態的各種方案,以及在實驗上的進展,並在論文中重點提出了利用原子和腔場相互作用來制備多原子糾纏態和多腔場糾纏態的方案。The physical model, configuration and function are introduced in this paper. in addition, molecular dynamics modeling of radiation collision cascades course in copper is carried out. some exciting results are obtained
本文介紹了它的物理模型、程序結構和功能等,並且以面心立方晶體銅為例進行了輻照碰撞級聯過程的分子動力學模擬,得到了令人滿意的模擬結果。In this work, we detailedly introduced the whole ideas of rkdg finite element method and the theory of constructing gas - kinetic schemes based on boltzmann equation. and then presented a kind of new computational method for solving id and 2d compressible euler equations, i. e. firstly, we discretize euler equations in the space with discontinuous galerkin finite element method ; secondly, we discretize temporal variable t with runge - kutta formula ; thirdly, for numerical fluxes constructing, we give two kinds of different numerical fluxes - kfvs and bgk numerical fluxes by using gas - kinetic schemes
本文分別對rkdg有限元方法的整個思想和基於boltzmann方程的分子動力學格式的構造思想給予了詳細的介紹,並分別結合rkdg有限元方法與kfvs數值通量和bgk數值通量的構造方法,給出了一種求解一維、二維可壓縮流體力學方程組新的計算方法,即,我們先用間斷有限元方法進行空間離散,然後再對所得到的半離散格式使用runge - kuttatvd方法進行時間離散,得到全離散格式。Interstellar dynamics ; molecular outflows ; jet ; star formation
星際介質動力學分子外向流噴流恆星形成The camber development mechanism and the influence factors were researched by geometry analysis, viscous analysis and sintering kinetics analysis. the camber model was established and the equation for calculating curvature of camber was proposed. the influence factors for camber involve the original size of composite, the sintering properties and the shrinkage mismatch between the two materials
從幾何學、粘彈性力學和燒結動力學的不同角度出發,探討了共燒翹曲形成機制和影響因素,建立了介電材料鐵氧體材料疊層共燒翹曲模型和翹曲曲率方程,揭示影響翹曲的因素為形狀尺寸因子,材料的燒結特性和異種材料之間的收縮率差,其中燒結過程的收縮率差是翹曲產生的根本因素,收縮率差越大,則翹曲曲率越大。Topics covered include : mass transport through membranes ( diffusion, osmosis, chemically mediated, and active transport ), electric properties of cells ( ion transport ), equilibrium, resting, and action potentials, kinetic and molecular properties of single voltage - gated ion channels
內容包括:細胞膜上的物質傳輸(擴散、滲透、化學為媒介的傳輸以及主動傳輸) ;細胞的電子特徵(離子傳輸) 、平衡、靜息和動作電位;單個電壓門控離子通道的動力學和分子特性。Abstract : the paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example
文摘:首先介紹了三種動力學模擬超臨界流體萃取的模型(經驗模型、基於熱傳遞類推的模型以及基於微分質量平衡的模型) ,然後模擬了在超聲存在的條件下超臨界流體從香椿葉中萃取黃酮類化合物的動力學過程,最後通過該例子展示了現有大多數動力學模型的缺點The paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example
摘要首先介紹了三種動力學模擬超臨界流體萃取的模型(經驗模型、基於熱傳遞類推的模型以及基於微分質量平衡的模型) ,然後模擬了在超聲存在的條件下超臨界流體從香椿葉中萃取黃酮類化合物的動力學過程,最後通過該例子展示了現有大多數動力學模型的缺點。In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction
本課程所覆蓋的論題包括:狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波:光子晶體和負折射率。The thesis describes the conception of the object - oriented modeling and integrated simulaton enviroment, and discusses the below topics : ( 1 ) describe the reasonable structure of the modern fighter simulation system, and design the data transfer interface. ( 2 ) discuss the modeling method of the key subsystem of future fighter system especially the aerodynamics and the control system in detail. ( 3 ) construct the 3d model of the aircraft and scene, and verify the graphic simulation technique based on pc
本文詳細討論了面向對象建模方法以及一體化模擬環境的基本概念框架及基本結構並在此基礎上提出了合理的現代戰斗機模擬系統結構,設計了模擬系統的數據傳遞介面;詳細討論了現代戰斗機模擬系統關鍵子系統? ?飛機本體、飛行控制系統建模方法;建立了用於研究的飛機以及視景的三維顯示平臺;並在此基礎上實現了實驗性的基於pc的現代戰斗機圖形模擬平臺,對模擬模型有效性確認和驗證工作做了初步的探討,研究比較了傳統飛行動力學和運動學方程和四元數法在飛行模擬中的效果。Use of statistical, quantum chemical, molecular dynamics, monte carlo, mesoscale and continuum methods to study fundamental physical phenomena encountered in the fields of computational physics, chemistry, mechanics, materials science, biology, and applied mathematics
運用統計、量子化學、分子動力學、蒙地卡羅、介觀尺度和連續介質方法,研究在計算物理、化學、力學、材料科學、生物學及應用數學中遇到的基本物理現象。Abstract : this article is mainly concerned about the mechanism, preparation and characteristics of the drug release in vitro and in vivo of the controlled - release suspensions using ion - exchange resins. various resins ' abilities of adsorption and release of drug were compared. the method of microencapsulating drug - resin complex and the effect of various coating materials were also discussed
文摘:介紹了離子交換樹脂控釋混懸劑的原理、制備、釋藥動力學和體內釋放特點,並對不同樹脂吸附和釋放藥物的能力進行了比較,同時也介紹了微囊化包衣技術及不同包衣材料對樹脂釋放藥物的影響In this paper, the system of a a - type three - level atom interacting with two - mode su ( 1, 1 ) coherent states in a kerr - like medium is studied by means of the quantum theory, and the state function for the resonant or non - resonant interaction is derived. using the state function, the kerr effect on the quantum dynamics and nonclassical properties in the system is investigated ; and the influences of the detuning and initial atomic on the quantum and nonclassical properties in the non - resonant interaction study system
本文運用全量子理論,研究了類kerr介質中雙模su ( 1 , 1 )相干態場與型三能級原子相互作用系統,分別導出了該系統在共振及非共振相互作用時的態函數,並以此為出發點,研究了kerr效應對系統的量子動力學和非經典特性的影響,場模失諧量、原子初態對非共振作用系統的量子動力學和非經典特性影響。In the paper, how to simulate itr is introduced in details. and with the theory, the itr of ar - kr is simulated under the temperature of 40k. at last, the simulation curve reproduces the movement process of the thermal stream in interfacial layer visually and intuitively
本文詳細的介紹了界面熱阻的分子動力學模擬原理,並模擬獲得了溫度為40k時ar - kr的界面熱阻,直觀、形象的從微觀的角度再現了該界面層的熱流變化過程。In chapter 2, we mainly describe the fundamental theories about molecular dynamics method and transfer matrix method
第二章為基本理論,著mastershipdissertation , xiangtanuniversity重介紹了分子動力學方法和轉移矩陣方法。分享友人