空位機理 的英文怎麼說

中文拼音 [kōngwèi]
空位機理 英文
vacancy mechanism
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : machineengine
  • : 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...
  • 空位 : 1 (空著的位子) a vacant or unoccupied seat; void; vacancy 2 [固體物理] [物理學] [半] vacancy; b...
  • 機理 : mechanisation; mechanization; mechanism
  1. Including shipping agents, shipbuilding, docking, travel agents, air forwarding agents and airline booking agents

    船務(包括船務代、造船、船塢、旅遊代運代訂票代) 675 , 321
  2. Shipping including shipping agents, shipbuilding, docking, travel agents, air forwarding agents and airline booking agents

    船務(包括船務代、造船、船塢、旅遊代運代訂票代) 432 , 966
  3. The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer.

    移電流的只對反向偏壓或要維持間電荷層所需要的非常弱的正向偏壓條件下的電容器才有用。
  4. Some gas - sensitive test to deoxidizing gas have carried out based on tio _ 2 films by sputtering and doped some impurity. the experimental results showed that tio _ 2 films have different electron injecting principle and reactive mechanism, the behaviors of gas - sensor for hydrogen and ethanol manifest dissimilitude. this is due to that the oxygen vacancies were compensated by the impurity

    用濺射制備的薄膜摻入部分雜質對還原性氣體進行氣敏測試,發現tio _ 2薄膜對酒精氣體和氫氣有不同的反應制和電子注入,氣敏特性也表現出不同,而雜質的引入反而降低了tio _ 2薄膜的敏感性,可能是由於雜質對氧的補償所引起。
  5. The structure of the testing platform is described, and the experiment content and principles are given in detail. the transmission error curves and space frequency curves are emulated. the circuits of rotor part and software are finished

    本文介紹了實驗臺的整體結構,實驗內容的設置和各實驗的工作原,模擬了傳動誤差曲線及其域頻譜圖,詳細闡述了轉子測量的電路設計、下程序設計和上的軟體設計。
  6. Metropolitan circle is the result of industrialization and urbanization, which is the embodiment of centralization and radialization when the metropolis is developing to a certainty, in order to advance the space and economy to conform, to form a corporate area, fabricating the new type of metropolitan circle in which the metropolis is the core is new topic for discussion of innovative space structure of the big ciry this paper combine the theory expatiation and demonstration analysis with comprehensive and new statistics data, and theory model, and discusses the all - around regional development in chengdu area from a new angle, ie : using space structure model of metropolitan circle to develop the overall enhancement of strength in chengdu first, the thesis defmitudes the concept, connotation, and character of metropolitan circle, after that, it discusses the formative mechanism of metropolitan circle from the factors such as market, institution and ect moreover, from the practice of metropolitan circle ' s development in ho me and abroad, it summarizes the significance of the metropolitan circle form for the economic and social development, as well as the experience for reference and the problems we should pay attention to = based on these theories and practice, it brings forward the necessity and strategic significance of building metropolitan circle in chengdu, and analysis its possibilities, it also makes a research on the model of this circle, it innovatively brings forth that the double - polar circle structure of central city - sub central city - satellite town should be builded, through the establishment of index system, the sphere of metropolis circle in chengdu can be set which means the central city, sub center city and satellite town are sett it also analysis how to determine the gravity between center city and circumjacent area, and discusses the function orientation of center city and satellite town at last, it briefly analyses the transportation designing of suburb and city which are imperative for constructing the metropolitan circle in chengdu

    本文將論闡述和經驗實證分析與較全面的最新統計資料,以及論分析模型分析結合起來,從新的角度深入探討成都的區域整體發展,即以都市圈的間結構模式促進成都整體實力的全面提高。本論文首先明確了都市圈的概念、內涵及特徵,從市場、等因素探討了都市圈的形成,並從國內外都市圈的發展實踐中,總結出都市圈這種間形式所引起的經濟和社會發展的意義所在,以及我們值得借鑒的經驗和需要注意的問題。在此論和實踐基礎上,提出構建成都都市圈的必要性及戰略意義,分析其可能性;並且對如何構建成都都市圈模式進行了探討,主要是創新性提出構建中心城市-副中心城市-衛星城鎮的雙極圈域結構,並通過指標體系的建立以確定成都都市圈的范圍,即中心城市、副中心城市和衛星城鎮的確定,以及測定中心城市與周邊地區的引力大小,以及對中心城市和衛星城鎮的功能定進行了探討。
  7. This paper introduces the developing tendency of the space structure and the application of the pretensioned space lattice structure, summarize the analysis method and relation between lattice structure and pretensioned space lattice structure. dissertate the space pole - truss displacement method, tendon working principle, set forth the method of optimal design and whole process design. includes the use stage design and construction stage design of pretensioned space lattice structure

    本文首先介紹了間結構的發展趨勢及拉索預應力間網格結構的應用情況,概述了網格結構與拉索預應力間網格結構的分析方法及其相互關系,論述了間桿系桁架移法,拉索作用,闡述了拉索預應力間網格結構的優化設計及全過程設計的設計方法,包括拉索預應力間網格結構使用階段的設計和施工階段的設計。
  8. In order to strengthen hong kong s position as an air cargo hub, aa is considering a number of arrangements including incentive programmes to encourage freighter to use the midnight to 6 am quiet period and develop high speed cargo ferry links between the southern mainland and the airport

    為增強香港作為運樞紐的地場管局正研究採取一系列措施,包括推出優惠計劃,以鼓勵運公司使用午夜至清晨6時的非繁忙時間,及發展華南與場之間的高速貨輪航線。
  9. Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information

    本文的研究工作主要包括以下五個部分:首先,介紹航發動常見的磨損故障類型,研究磨損故障的失效,分析磨粒的產生、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原進行航發動磨損故障的診斷與定:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航發動多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航發動滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。
  10. Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results

    文摘:在分析飽和粘土中靜壓樁的貫入的基礎上,對靜壓樁沉樁分析的圓孔擴張論、應變路徑法、有限元分析、滑移線論和模型槽試驗等五種方法逐一進行評述,並提出在傳統的平面圓孔擴張論基礎上加以改進,採用準靜態間軸對稱方程組對靜壓樁貫入過程進行模擬,從而得出土體移、應力、初始超孔壓的間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方法
  11. Our head office is located in north exit of new guangzhou baiyun international airport, room 302, yibang building, behind xinglong hotel in huadong town, our main business including goods collection, business handling, goods storage, carrying service, air logistic, declaration, goods inspection and insurance etc., offering the full transportation serivce for domestic & foreign market

    廣州宏穎國際設在廣州新白雲國際場北出口花東鎮興隆酒店后怡邦大樓302室,開展攬貨、操作、倉儲、拖車運輸、運代、報關報檢和代貨運保險等業務,為國內外客戶的進出口貿易提供全方的運輸代服務。
  12. From the coupling interface of time and space, with the basic theories supported by urban geography, regional economics, development economics, district planning, industrial economics, social science, spatial science and nature dialectics, the thesis analyzes the basic evolution rules of cities in this area and its " inherence mechanism from deferent dimensionalities and visual angles, providing some developing strategies of oasis cities

    本論文從時間和間的耦合界面,以城市地學、區域經濟學、發展經濟學、區域規劃學、產業經濟學、社會科學、自然辨證法的基本原為主要論支撐,對本區城鎮的發展規律和內在進行了多維度、多視角、全方的剖析,提出了新時期河西綠洲城鎮發展的一系列方略。
  13. This article introduces the design and implement of flight simulator based on dsp which contains five parts. the first part establishs the math model of flight simulator which contains the model of aerodynamics and flight mechanics, the model of standard atmosphere and wind model ; the second part introdces primarily the arithmetic of numeric integral which is very important to dyanmic system simulant. the third part introduces the design of hard interface circuit and program. the fourth part introduces the data flow graph of the flight simulator software and gunge - kutta integral arithmetic. the finall part introduces the design of serial port communication software, it contains communication protocol, the process of upper machine and lower machine communication and the programing of serial port communication by vc + +

    本文介紹了基於dsp的飛行器模擬器設計與實現,主要分為五個部分,第一部分建立了飛行模擬的數學模型,包括飛行器氣動力學和飛行力學的數學模型、標準大氣模型和風模型;第二部分主要介紹了數值積分演算法,它在動態系統模擬中是很重要的;第三部分為硬體介面設計與編程;第四部分介紹了氣動模擬軟體的數據處流程和runge - kutta積分演算法;最後一部分為串口通信軟體設計,介紹了通信協議、上下流程和vc + +串口通信編程。
  14. I played in offenses that used the same principles growing up. moving, getting teammates open, moving the ball - - that ' s how i grew up. we played more without the ball, then

    過去我打球時,我也是在類似這樣的進攻論中成長起來的。不停地跑動,為隊友創造投籃會,不停地轉移球? ?我就是在這樣進攻中成長的。那時,我們要做很多無球跑動。
  15. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放間中突然出現的時變電場(移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高線和間波形圖,這些圖形對解脈沖電磁波的輻射非常有益
  16. The magnitude of the conductivity maximum increases and shifts to lower temperature with increasing sr content. in this paper, the electrical conductivity reaches maximum value at x = 0. 4. below the temperature corresponding to the maximum value, the electrical conductivity is found to follow the relationship for the small polaron hopping mechanism, charge compensation of oxygen vacancy dominates electrical conduction at high temperature, and oxygen vacancy acts as traps to catch carriers, resulting in the decrease of carriers concentration and mobility

    通過電學和熱學性能測試結果表明,電導率隨著sr含量的增加以及溫度的變化都出現了極大值,在本論文中,在sr含量為0 . 4時電導率值最大,電導率最大值對應的溫度隨著sr含量的增加而降低,這是由於在低溫下以小極化子導電為主,在高溫階段則是氧的電荷補償占據主導作用,氧使得載流子的濃度和可動性減弱,從而導致電導率降低。
  17. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電的數學模型,在此基礎上將異步電的數學模型與直流電的數學模型進行了比較;然後介紹了矢量控制的基本原,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原、中點電不平衡的及控制方法進行了介紹,詳細分析了間矢量脈寬調制策略。本文對異步電的矢量控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的間電壓矢量作為起始矢量,解決了扇區切換時的矢量突變問題。
  18. Hangzhou energetically company of electromechanical equipment limited company held water 1998, year turnover 15 million yuan, it is a major is engaged in screw type compressor, piston compressor, the sale of air aftertreatment equipment, installation, maintenance, maintain carry out to the client for an organic whole all - around the agency of professional pneumatics machine that whole set serves

    杭州大力電設備有限公司公司成立於1998年,年營業額1500萬元,是一家專業從事螺桿式壓縮,活塞式壓縮氣后處設備的銷售、安裝、維修、保養為一體對客戶實施全方成套服務的專業經銷商
  19. Now, the foreign and national departments of ship building and management are studying the auto - detecting and auto - spraying ( water - mist ) system of fire about the ship ' s main parts ( engine room ), and there are some foreign manufactories that have produced the relevant productions, but there are no similar productions in our contrary, so the st udy on the item ( the designing and study of water - mist fire auto - extinguishing system ) will supply a gap about national ship area fire, and it has high theoretic value and actual application significance. the mcu is main part of this system, and this system can detect automatically fire, show the place of fire and spray automatically water - mist

    目前,國內外船舶建造及管部門正在投入人力和物力展開對船舶重點部艙)火災的自動檢測及自動噴灑(水霧)滅火系統的研究,現在國外已有幾個廠家生產出相應的產品,但是在國內還沒有類似的產品出現,所以本課題(水基噴霧自動滅火系統的設計與研究)的研究可以說是填補了國內船舶區域火災的自動監測和報警以及自動噴灑(水霧)滅火裝置這個白,具有很高的論價值和實際應用意義。
  20. The surface material is liable to erosion wear with high - velocity sediment - laden flow, hi this paper, sand wear mechanisms are discussed and some effects of significant flow factors on material wear are analyzed ; the possibility of preventing erosion wear with aeration is proposed ; based on test data, the formula for calculating the concrete material wall surface wear rate is derived. it is indicated that the wear rate is related to the air concentration, the strength of material, the flow velocity and the sediment content. it is shown that wear rate can be reduced with the help of flow aeration

    分析了蝕與磨蝕的不同物特徵;探討了沙粒磨蝕,提出了影響磨蝕vi河海大學博士學論文一的因素;研究了摻氣抗磨的可能性:建立了混凝土材料壁面磨蝕率的計算公式;說明含沙水流對固壁材料的磨蝕率隨摻氣濃度、材料強度的增大而減小,隨水流流速、含沙量的提高而增大;利用摻氣可有效地降低過流表面的泥沙磨蝕率。
分享友人