自由電子理論 的英文怎麼說

中文拼音 [yóudiànzilún]
自由電子理論 英文
free electron theory
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : causereason
  • : 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...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 自由 : freedomliberty
  • 電子 : [物理學] [電學] electron
  • 理論 : theory
  1. Aberration of electronic lens made by electron gun and aberration of magnetic deflection system made by dy are comprehensively investigated, so is the shadow mask ' s effect on electron beam landing screen error. the conclusion can be get that, because the distribution of electron beam landing screen ( distribution of luminance ) is affected by many kinds of factors, it cannot get the correct function by calculation, and should be get by measurement instead

    全面分析了cpt槍發射系統形成的透鏡像差與磁偏轉系統形成的偏轉像差;分析了蔭罩的身厚度與位移對束著屏的影響,並此得出結,著屏束分佈(即亮度分佈)受著許多因素的影響,分析是半定量的,著屏束分佈需要用精確的測量儀器來測量。
  2. Visual basic for applications provides a powerful infrastructure for developing and deploying a wide variety of customized solutions that solve everyday business requirements, including advanced e - mail messaging, appointment and task management ; electronic discussions ; and tracking, routing, and document library solutions

    Visualbasicforapplications為開發和應用各種定義解決方案,解決如高級郵件傳輸、約會和任務管、跟蹤、路選擇和文檔庫等日常商務需求,提供了功能強大的體系結構。
  3. In the way based the scientific and tecdrical talks on i presided at and panicipated in, the graduation theis included a p1entful thets in recent years wtll be divided into three parts for depiction conxteniently and clearly, according to the content as fo1lowsf ( l ) the study of shock compression properties with the drixtiir - liquid co and n, experimentally ( 2 ) the study of the phenomenon of excess heat produced by deuteriurn atoms entering into the lattice of titaluxn experimentally ( 3 ) the calcujation for the electronic structure and energy of hydrogen atoms cluster ffi. the mainstream in the first part of the paper is to exposure some experimental tecndques in high pressure and high temperatur shock compression physics, including by using a cryo - target cooled down circulating steaxned n, to condense the well - proportioned mixed liquid sample from pure gas co and n = with equal molar voiurne

    根據近幾年所承擔和參加的科研任務,將研究成果總結寫成的文按以下三個部分敘述: ( 1 )液體co和n _ 2混合物沖擊壓縮特性的實驗研究(國防科技重點實驗室基金項目96js75 . 2 . 1 . jw1902資助) ( 2 )重氫原進入鈦晶格中引起過熱現象的實驗研究(國家然科學基金10145002資助) ( 3 )氫原團簇h _ 9的結構與能量計算第一部分以高溫高壓沖擊波物實驗為主,採用行研製的低溫循環汽冷靶冷凝制樣技術高純co和n _ 2氣體獲取等摩爾體積均勻混合的液體沖擊初態樣品。
  4. This thesis reports an analytic study on the giant - magnetoresistance of multi - layer sandwich structure and spin - valve structure by using green function quantum statistics approach and nonlinear kubo formula that was derived by sub - dynamics theory

    文報導使用量統計格林函數方法以及動力學推出的非線性響應對多層膜三明治結構和旋閥結構的巨磁阻效應的解析研究。
  5. The photo - induced phase transition of the different light intensities, photo - energies and directions of the polarized light is investigated. it suggested that the photo excites the down spin eg electrons and destroys the spin order system of the thin films. the relation between the he - ne laser reflectivity of the thin film, applied current and resistance was analyzed by the optics theory of solid state physics

    通過激發e _ g向下的躍遷,從而改變材料旋極化方向,影響體系的輸運行為;首次研究了cmr薄膜的激光反射率和偏置流的關系,並用固體光學對其定性分析,表明反射率的變化是場引起材料的晶格畸變,改變了極化率,從而導致材料的折射率和反射率發生改變。
  6. With the development of microelectronic products ( integrated circuit, printed circuit board, etc ) directing to high density, thin separation and low defect ratio, its inspection requirement is higher on aspects of precision, efficiency, universal, and intelligence etc. therefore, this paper researched on the general key techniques in the field of microelectronic products vision inspection, covered the shortage of traditional inspection on aspects of fast and precision locating, image mosaic, and fine defect test, completed theory study on physical dimension and defect inspection of microelectronic products based on machine vision, developed the prototype and used lots of experiments to prove its correctness and feasibility

    隨著微產品(集成路晶元、印刷路板等)向著高密度、細間距和低缺陷方向發展,對其檢測技術在精密、高效、通用和智能化等方面提出了更高要求。此,本文對微產品視覺檢測中的關鍵技術進行研究,彌補了傳統檢測在精確快速定位、圖像全景組合和精細缺陷檢測等方面的不足,最終完成基於機器視覺的微產品外形尺寸和缺陷檢測的研究和樣機研製,並進行了大量實驗證明其正確性和可行性,力圖為我國主創新的微產品視覺檢測技術提供和實際借鑒。
  7. In the view of technology solution, company management strategy, and government policies, comprehensive research is done on broadband ip network based on chinese cable tv network. it recognizes the severe competition in high - end router market in china which is currently dominated by foreign companies, and sets out the initiative goals and principles to guide the development of native router suppliers. moreover, based on the survey and statistics analysis, it provides a thorough understanding about the current b2c and b2b e - business situation in china, and further addresses the development strategies of b2c and b2b development in china

    文首先對商務系統進行了總體述並確立了研究的總體框架;然後在實證研究的基礎上,從技術、企業管和國家運營政策等角度對利用我國有線視網路富裕光纖資源架構和運營ip寬帶網進行了系統研究;其次,針對我國高速增長的高端路器市場基本為國外公司所壟斷的嚴峻現實,以實證研究為基礎,提出了我國主生產高端路器的策略與建議;然後,通過問卷調查和數據分析,把握了我國b2c商務發展現狀,並在此基礎上提出了我國b2c商務發展策略與建議;最後,通過問卷調查和數據分析,把握了我國企業發展b2b商務的現狀,探討了我國企業b2b商務發展策略。
  8. Later on the base of development of electronics and its application, pid steer appeared which integrated control technology and electronic parts. in the late 1960 ' s, adaptive theory and computer technology developed speedily, then adaptive steer came forth by using adaptive theory in shipping maneuvering. neither pid steer nor adaptive steer shares the character flaws, which results in unassuring effects

    后來隨著學和伺服機構的發展和應用,集控制技術和器件的發展成果於一體,出現了pid操舵儀; 20世紀60年代末,適應和計算機技術得到了發展,將適應引入船舶操縱成為可能,於是形成了適應動舵。
  9. With the development of modern technology, especially in the field of electronics, computer application and automate control theory, motor application has been promoted from simple start - stop control and as the source of power to precise control on speed, position and torque to make driven component meet the desire requirement

    隨著現代技術的進步,特別是技術、微機應用和動控制的進展,機在其實際應用中,已過去簡單的起停控制、提供動力為目的的應用,上升到對其速度、位置、轉矩等的精確控制,使被驅動的機械運動符合預想的要求。
  10. Simulations for these two conditions prove validity of theoretical analysis. on the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given. it introduces the closed - loop of stator excitation current to the system, which increases two adjustment channels : speed and excitation adjustment

    分析可知,該方案中,於轉流與磁鏈無法實現完全解耦,故僅在亞同步工況下有效,在超同步時則會因為調速系統不能動校正轉磁鏈幅值變化引起的橫向流而使系統失去控制,無法達到穩定狀態。
  11. Electronic commerce has attracted much attention for it offers significant opportunities to make businesses faster, cheaper, and more agile. however these days, it is facing severe challenge because it cannot adapt itself to users ’ expanding demand for personality and automation of businesses. this dissertation investigates the problem of combinatorial trading and applies multi - agent coalition formation methodology for it

    於具備能夠突破貿易的時空限制、降低交易的各類成本等諸多優勢,商務出現至今始終備受關注,但是近年來其發展卻呈現出一定程度的震蕩和萎縮,而目前商務研究的及應用不能適應商務活動中用戶日益個性化和動化的需求便是導致這種狀況的一個主要原因。
  12. These virtual instruments, which are composed of the teaching testing system, can be used to basic experiment teaching courses, for instance circuit theory, electronic technical basis, signal and system engineering, automation control theory

    這些儀器組成的系統,可用於路基礎、技術基礎、信號與系統、動控制等專業基礎課程的實驗教學。
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