電子對耦合 的英文怎麼說
中文拼音 [diànziduìǒugě]
電子對耦合
英文
electron pair linkage- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 耦 : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 電子 : [物理學] [電學] electron
- 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
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In this paper we have done two work, one is we, in the dressed states representation, reveal that the constructive interference of atomic coherence on absorption leads to electromagnetically induced absorption, which is in sharp contrast to the case in which destructive interference of atomic coherence gives rise to electromagnetically induced transparency and the other is we reveal that coupling field linewidth inhibits electromagnetically induced absorption, by employing a four - level system in which three transitions are in n configuration and the middle transition serves as a probe transition
本文主要做了兩方面的工作:一是在修飾態表象中揭示修飾態原子相干對吸收的相長干涉產生電磁誘導吸收,這與修飾態原子相干對吸收的相消干涉導致電磁誘導透明的情形形成鮮明的對照。二是在裸態中,引入耦合場的線寬,從而發現耦合場的線寬抑制電磁誘導吸收。首先研究電磁誘導吸收。By introduction of two lif layers, the adjustment of the position of thin layer alq3 in the microcavity is achieved and the effect of the coupling strength between the emissive dipole and vacuum electric - field on the emission intensity in ( / 2 - length microcavity is studied for the first time
在帶有dbr結構的高q值微腔中,觀察熒光壽命變短輻射速率提高的現象。通過使用填充層,來實現對薄層alq在腔中位置的調節,研究了輻射偶極子同光電磁場的耦合強度對輻射強度的影響。This paper discusses the characteristic of inductivity coupled plasm atomic excite spectroscope and applies the analysis method to measure the atmosphere corrosion rusty layer samples from qingdao and chengdu. we get the relative content of each element of rusty layer and show the charitable situation that the relative content varied with the change of corroded environment and time
概述了電感耦合等離子體光譜法的特點,並運用該光譜法對青島和成都兩地的大氣腐蝕銹層樣品進行了比較測試,得出了銹層中各元素的相對含量及其隨腐蝕環境和時間的變化情況The paper applies the method of the l - s coupling in the pauli exclusion principle and gives a simple method to determine the atom states of equivalent double electrons through l - s interaction fold line along angle
摘要採用自旋與軌道相耦的方法,在滿足泡利不相容原理和條件下,給出了快速確定同科雙電子原子自旋與軌道相耦合原子態的一種簡單方法對角折線法,這種方法是對確定同科雙電子自旋軌道耦原子態的又是創新方法。The interaction between atoms and photons has been investigated comprehensively by cavity quantum electronics - dynamic ( cavity qed ) in the last decades. with the manipulation of atoms developed by laser cooling and trapping and improvement of high finesses cavity with ultra - low losses, the interaction between atoms and photons has reached what is called strong - coupling range in optical domain
從上世紀90年代發展起來的腔量子電動力學( cqed )從根本上揭示了光與原子的相互作用,光頻段腔qed對認識原子與光場的作用至關重要:隨著冷原子技術與高品質光學腔的發展,原子與光子的相互作用達到強耦合。The contents of metal elements in silk gland and silk fiber of b. mori silkworm have been detailedly analyzed by proton induced x - ray emission ( pixe ), inductively coupled plasma mass spectroscopy ( icp - ms ) and atomic adsorption spectroscopy ( aas )
摘要用不同的測試方法,即質子誘導x射線發射( pixe ) 、電感耦合等離子體質譜( icp - ms )和原子吸收光譜( aas )對桑蠶絲腺體和絲纖維中金屬元素的含量進行了詳細的表徵。Standard test method for elements in water by inductively - coupled argon plasma atomic emission spectroscopy
用電感耦合氬等離子原子發射光譜法對水中元素的標準測試方法30 litre couplant tank. automatic pumped supply with full recirculation. visual and electronic level display. continuous couplant monitoring by flow sensor and ultrasonically
30升的耦合劑儲蓄槽。自動化泵槽裝置可以將其完全循環利用。可顯示直觀的電子層面。通過流量傳感器和超聲波地來對耦合劑進行連續監控。The minimum of resistivity at low temperature range can be explained by magnetic scattering which corresponds to the peak of magnetization. all of the experimental data can be well explained on the basis of vrh model, which comes from not the clusters, but the inhomogenous magnetic background. based on the mechanism of transport, cmr effect is elucidated
體系磁性和電性的影響,通過實驗分析得出了下列結論: q ) dy對la的替代產生了無規的磁勢,破壞了mn o mn長程鐵磁序,導致在tn丁tc溫區出現團簇玻璃態,在t tn溫區,由於dy子大的磁矩, la ( dy亞晶格和mn亞晶格磁矩強烈的耦合,體系呈現反鐵磁態By making use of the strong bound quantum dot model and neglecting the effects of impurity on electron wave function, this thesis is also reported how to use the spin of nuclear as the quantum bit
利用強束縛量子點模型,忽略雜質對于電子波函數的影響,我們還討論了如何利用核自旋構造量子位。我們計算了垂直耦合量子點中電子和核子的超精細相互作用。For the cathodic process it is likely that there exists a coupling between ni2 + discharge and hydrogen evolution. hydrogen evolution on working electrode should have masked the nickel ion reduction peak in lsv curve
對于陰極過程,鎳離子放電和氫氣析出過程存在耦合,氫氣的析出可能掩蓋了線性電位掃描曲線上鎳還原的電流峰。In the process of maintaining and upgrading 8410 icp direct reading spectrometer, maintaining and adjusting of - 145 v switching power supply of icp high frequency generator are often required
摘要在維修和改造8410型電感耦合等離子體直讀光譜儀過程中,經常需要對icp高頻發生器中的開關電源進行維修和調整。The model from the input to the output of the piezoelectric traveling wave ultrasonic motor is established by synthetically using lagrange - maxwell equation, hertz elastic contact theory and coulomb friction theory, along with considering electromechanical coupling, influence of the interface force between the stator and rotor of the motor on the amplitude of the traveling wave inside the stator and dynamic contact friction friction force
利用拉格朗日?麥克斯韋方程以及赫茲彈性接觸理論,庫侖摩擦理論,考慮機電耦合效應,定、轉子間界面力對彎曲行波的影響及其動態接觸摩擦力,建立了壓電行波超聲波馬達從輸入到輸出的機電耦聯系統的數學模型。We conduct a theoretical study on the properties of a bound polaron in a quantum well under an electric field using linear combination operator and unitary transformation methods, which are valid in the whole range of electron - lo phonon coupling
摘要採用線性組合算符及幺正變換方法研究了電場對量子阱弱耦合束縛極化子的性質的影響。The energy will couple in the region of diode and decrease the output power, if there is no reflector placed in front of the sws at the end of beam injection
對于這種振蕩器如果在電子注輸入端沒有反射器,微波能量將耦合到二極體區,使輻射到空間的微波能量減少。( 3 ) a modified chua ' s circuit is proposed and a circuit implementation is also designed. dynamics of this modified chua ' s circuit are numerically studied and its lyapunov exponents are also calculated. ( 4 ) a resistance - coupling method for designing new chaos generators by taking use of existing chaos generators is suggested, several new chaos generators realized by this way are studied and their dynamic are compared to those of original chaos generators, their lyapunov exponents are also calculated
( 4 )提出了一種構造新的混沌或者超混沌模型的電阻性混沌模型耦合方法,並且給出了用此方法構造的幾種新的混沌吸引子,對所構造的新的混沌os吸5吁進行了數值研究,贈了其李雅普諾夫指數,將耦合形成的新的混飩吸引子與耦合之前的混飩吸引子進行了對比頒。Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly
但是高性能的交流調速系統實現很困難,這是因為交流電機是多變量、強耦合的非線性系統,不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題,其基本思路? ?應用坐標變換將三相等效為二相,實現定子勵磁電流分量與轉矩電流分量之間的解耦,達到對交流電機磁鏈與電流分別控制的目的,交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步,計算機技術飛躍發展,高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中,促進矢量控制迅猛發展,日趨成熟。The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field
具體工作可以概括如下:首先,研究了vcsel的熱場特性,分析了電流擴展,材料參數和工作條件對于溫度分佈的影響;其次,從電極電壓入手,計算出激光器中的等勢線分佈,並對不同深度處的電壓和電流分佈進行比較,研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響;再次,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈,分析了溫度和載流子濃度變化對折射率、費米能級和光場的影響;最後,給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈,分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。The high voltage part of the same kind products in market is composed of bulking transformer which is n ' t according to the trend to minitype. a switch high - voltage sine out inverter based on spwm is designed instead of the old transformer. this inverter adopts the double cpu which are communicated with spi
本文進一步對此測試儀中的關鍵技術測試高壓交流電源進行了研究,目前市面上同類儀器均採用笨重的自耦變壓器加工頻升壓變壓器的方法來實現,不符合當前電子產品向輕巧,小型化發展的方向。As an example, we numerically investigated the transport properties of a four - quantum - dot ring. we found that the resonant tunneling spectrum depends on the arrangement of the single - dot energy level, the interdot tunnel coupling amplitude between neighbouring dots, and the tunnel coupling between dots and leads
在數值計算部分,作為體系的一個特例,我們首先詳細的研究了由四個量子點耦合成的量子點環中的電子輸運,確定了三種結構的共振隧穿譜線對單量子點能級的不同組合情況以及相鄰量子點之間的耦合強度的依賴關系。分享友人