明場電子象 的英文怎麼說

中文拼音 [míngchǎngdiànzixiàng]
明場電子象 英文
bridge for measuring temperature
  • 明 : Ⅰ形容詞1 （明亮） bright; brilliant; light 2 （明白;清楚） clear; distinct 3 （公開;顯露在外;不隱...
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 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...
  • 明場 : bright field
  • 電子 : [物理學] [電學] electron
  1. Bright field electron image

    明場電子象
  2. 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。
  3. With the aid of baffle movement, a technique named masking pretreatment and the method of vacuum deposition have been used to fabricate the ag - o - cs photoemissive thin films with internal field - assisted structure for the first time. the internal field - assisted photoemission characteristics of ag - o - cs thin films show that the photoelectric sensitivity is increased when the internal electric field is applied to the thin films, which indicates that the electric field has been effectively provided to the thin films by the above - mentioned internal field - assisted structure. such an enhanced photoemission is attributed to the variations in energy - band structure of ag - o - cs thin films, and which are considered to induce the lower - energy electrons to participate in the photoemission

    通過掩膜預處理和擋板轉移技術的配合，利用真空沉積方法首次制備了內場助結構ag - o - cs光電發射薄膜。 ag - o - cs薄膜內場助光電發射特性測試結果表明，該方法能夠有效地實現ag - o - cs薄膜體內電場的加載與表面電極的引出，薄膜光電靈敏度隨內場偏壓的增大而上升。 ag - o - cs薄膜在內場作用下的光電發射增強現象與薄膜體內能帶結構變化低能電子參與光電發射等物理機制有關。
  4. The flow visualization indicates the primary cause of the phenomena to be a combination of mass transport and vortical structures induced by strong paraelectric and peristaltic electrohydrodynamic ( ehd ) body forces on the flow. the main jobs of this paper can be generalized as follow : 1

    流動顯示結果表明了該實驗現象的初步原因，由於在自洽電磁場中等離子體的電流體（ ehd ）順電力與蠕動力誘導了渦和能量輸運所致。
  5. The experimental results show that the surface charging is related with the pre - flashover events, the pre - flashover events can bring the change of surface charge distribution. these may be attributed to the micro - discharge caused by the traps in insulator. the charge carriers can be captured by traps, a space electric field will be set up by the trap centers, and the combined electric field may exceed the breakdown electric field of local area, then the micro - discharge will be initiated

    分析表明，反向預閃絡現象與材料的陷阱分佈有關，試樣中電極附近的陷阱中心俘獲載流子后所形成的空間電場的作用是產生這一現象的原因；預閃絡現象和表面帶電現象都是由於絕緣子表面陷阱中心俘獲載流子形成空間電場造成局部場強過強引發的局部放電形成的。
  6. It is found that the fwm field can cause the asymmetry of electromagnetically induce transparency profile. in addition, the effect of different propagating orientations of probe field on the electromagnetically induced transparency is also discussed. in the molecular multi - level system with the perturbed superposition levels, we discuss the electromagnetically induced transparency, spontaneous emission enhancement, double dark resonance and double electromagnetically induced transparency by using the density matrix equation under weisskopf - winger approximation and dressed - state density matrix equation

    針對實際的實驗條件，考慮了一種影響量子干涉的新的因素-四波混頻場，研究了四波混頻場對雙光子探測的-型能級體系的eit的影響，發現四波混頻場能夠導致雙光子探測的eit線型的不對稱，在此基礎上，討論了不同探測場的傳播方式對eit的影響，針對分子中實際存在的包含有微擾能級的不同多能級系統，我們分別採用綴飾態繪景下的密度矩陣方程和weisskopf - wigner近似下的密度矩陣方程詳細地討論了電磁感應透明、自發輻射的干涉相消和相長、雙暗態共振和雙電磁感應透明現象。
  7. Several influence factors to result plasma drift in hainan were analyzed. in this paper the characteristics of ionospheric parameters variation were analyzed systematically and some new results in storm - time such as seasonal behaviors were obtained ; it is the first time to investigate the ionospheric drift behavior in hainan and some new results was obtained, the relationships between each two plasma drift velocity components in storm time in hainan were found and the electric filed variation in hainan ionosphere also was obtained ; the results also show that there are big differences of the ionosphere parameters bo and bl obtained from the data with that obtained from the iri - 2001 applied for hainan ; a new phenomena was found during a strong magnetic storm, that a layer with very strong electron density and density grad was found during the recovery phase of the storm, its horizontal scale is beyond 100km and temporal scale is about 2 hours, this phenomena repeated 3 times continuously. a type of negative disturbance in high and low latitude but positive disturbance in east - asia also has been found

    本文較為系統地給出了海南地區電離層的參數變化特徵，特別是得到了一些暴時與以往不同的季節特性；第一次給出了海南地區的電離層等離子體漂移特徵，發現等離子體漂移暴時擾動在三個方向上有內在的聯系，得到了電場變化曲線；研究結果還表明海南電離層的半厚指數和形狀參數等與國際參考電離層iri - 2001存在很大差別；通過對強磁擾動事件期間的參數變化特性分析發現，在磁暴恢復相期間海南地區電離層底部存在一個電子密度非常大的高密度區，高密度區底部電子密度梯度隨高度急劇增加，該區域的水平尺度可達100公里以上時間尺度約為2小時，連續出現過三次，這是一個在海南從來未發現的新現象；研究還發現了暴時東亞地區電離層擾動會出現高低緯負相而中緯正相的現象。
  8. Typical results are given to calculate mission success probability etc. in air - to - ground radar electronic combat by modeling and simulation. computer simulation is higher fidelity and full - scale than static analytical analysis, also is more flexible and lower cost than field test

    說明這種方法比經典的靜態解析分析評估法要全面和逼真，比外場實物試驗要廉價和靈活，並且面向對象的模擬模型庫可以方便地擴展到其它場景下的雷達電子戰作戰效能評估。
  9. In the latest years, people have designed and made many types of magnetic micromotors, but there are still many problems and much work w hich needs to do about the working principal, design theory and experimental research of magnetic micromotors, this dissertation was just aimed at these problems and did following work : first, on the basis of analying and comparing the working principals and structures of available magnetic micromotors, this dissertation proposed a new type of magnetic micromotor, introduced its structure, controlling methods and the features. according to the basic principles of the fixed - point movement of the rigid body, the dissertation revealed the moving relationship between the rotation of the inner magnetic field of the motor and the rolling of the rotor, presented the moving equation of the rotor and the calculation formula for the rotation ratio between the the inner magnetic field and the rotor, and so made clear the relationship between the structure parameters and the moving characteristics of the motor

    十年來，人們已經設計製作出了多種形式和結構的電磁微電機，但是有關電磁微電機的設計理論和實驗研究仍然處于探索完善階段，本文正是針對這方面的問題以電磁式微電機為研究對象做了以下工作：首先，在對電磁式微電機的各種工作原理和結構方案進行深入研究和分析比較的基礎上，本文首次推出了「端面搖擺式電磁微電機」的設計思想，介紹了其結構原理、控制原理和該電機的特點，並從剛體定點運動的基本原理出發，揭示了電機內部磁場的旋轉與轉子滾動之間行星減速的運動關系，推導出了轉子的運動方程和電機旋轉磁場與轉子的減速比計算公式，從而明確了電機結構參數與電機運動特性的關系。
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