電動力學現象 的英文怎麼說

中文拼音 [diàndòngxuéxiànxiàng]
電動力學現象 英文
electrodynamic phenomenon
  • : 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...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
  • 電動 : motor driven; power driven; power operated電動擺 motor pendulum; 電動扳手 electric wrench; 電動泵...
  • 現象 : appearance (of things); phenomenon
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其性能、掃描鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  2. Study on the characteristic of piezoceramic actuator is an important step in the studying of undamaged - inspection process based on piezoceramic actuator technology. this thesis firstly dwells on the sample model of piezoceramic actuator under the restriction of concrete. through theory and experimentation analysis, we arrives at a conclusion that the vibration behavior of piezoceramic actuator belongs to that of the thin plate

    本文著重研究了在混凝土約束條件下壓陶瓷片的樣本模型,在此基礎上通過理論探討和實驗分析,認為埋置於混凝土中的壓陶瓷片是符合彈性中克希霍夫有關薄板理論的假設,是屬于薄板振問題,並確定了其邊界約束條件。
  3. Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons, and evolution of electromagnetic fields, particle - in - cell ( pic ) code is chosen as study tool, and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d, which is suitable for simulating the operation of the pegs, has been established

    考慮到peos物理涉及到等離子體和陰極發射子的行為以及空間磁場的復雜變化,我們採用粒子模擬方法作為研究工具,研製了適用於peos物理問題模擬研究的二維柱坐標全磁粒子模擬程序cylinder2 - 1 2d 。
  4. When human serum albumin was adsorbed on the surface of au electrode or c12sh modified au electrode, different conformations were resulted and the processes of binding vepesid were also different. the corresponding kinetic parameters were obtained by fitting the response curves. the values of heterogeneous standard charge transfer rate constant for fe ( cn ) 637 fe ( cn ) 64 were obtained from the cyclic voltanimograms and the electrochemical impedance spectroscopy, and the electric double layer capacitance was calculated from the impedance semicircle

    當在金極及修飾了十二烷基硫醇的金極表面吸附時, hsa以不同結合部位結合導致其吸附后的空間構存在差異,在隨后的與足葉乙甙給合過程中表出了不同的結合行為,並擬合了相應的參數。
  5. To make full use of the karst formation in guizhou province of china, a large spherical radio telescope array of the arecibo telescope was proposed in china in 1995. therefore, a completely new design project that integrating mechatronics and optics technologies with several large span cables is proposed to drive the feed - supporting system to realize the high precision positioning. for the high requirement of trajectory tracking of the feed - supporting system with large span cables, the feasibility of stewart platform served as a fine - tuning platform and the accomplishment of the high precision tracking are considered in details in this paper

    本文依託新一代大射望遠機光一體化創新設計方案,針對饋源指向跟蹤系統高精度軌跡跟蹤要求,以精調stewart平臺為研究對,進行了6自曲度並聯機器人的運優化設計、分析與奇異性分析,設計了強魯棒性自抗擾控制器實高精度軌跡跟蹤控制;提出了新一代大射望遠鏡饋源指向跟蹤系統軌跡跟蹤獨立控制策略、軌跡規劃策略和控制模型; 50米縮比模型實驗驗證了軌跡跟蹤控制策略與方法的工程有效姓和可行性。
  6. Through the deep study of f. d. demello dynamic model of electromechanical transition and synchronous generator theory, we proposed a new control strategy of excitation device that can eliminate the negative - damping phenomenon, which is directly against the cause of producing negative - damping represented as low frequency oscillation in the system

    通過深入研究f . d . demello機暫態的模型以及同步發機理論,針對系統產生負阻尼即低頻振蕩的原因,我們提出了一種新的可消除負阻尼的勵磁控制策略。
  7. The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers

    實驗研究了正方網格斑圖與混合氣體的比例及外加壓的關系,給出了班圖類型隨上述條件變化的相圖;實驗採用光方法對正方網格斑圖進行了時空測量,發正方網格斑圖是由兩套正方網格斑圖相互嵌套而成,其中一套的微放絲位於另一套正方形單元的中心,這兩套微放絲交替進行放;考慮到壁荷之間的相互作用,研究了正方網格斑圖的穩定性;實驗發正方網格斑圖的微放絲放時間間隔是長短交替變化的,考慮到介質表面積累的壁荷的作用,使用擊穿?熄滅方程很好的解釋了該
  8. As one of the several models to improve the drift - diffusion model, the hydrodynamic model plays an increasingly important role in simulating the behavior of the charge carrier in sub - micron semiconductor devices because it can exhibit velocity overshoot and ballistic effects for which are not accounted the classical drift - diffusion model

    漂移擴散模型自上世紀五十年代初一出,就得到了人們的廣泛關注。但隨著微子技術的發展,它不能很好的解釋半導體中的有些,流體模型就應運而生了。
  9. Then some cavity quantum electro - dynamic ( cqed ) effects are studied by experiment. the photoluminescence ( pl ) intensity enhancement at resonance wavelength and suppression at off - resonance wavelength, emission spectrum narrowing as well as emission intensity redistribution in space are observed in the microcavity device fabricated with distributed bragg reflector ( dbr ) and silver mirror as well as that done with two silver mirrors

    分別在帶有dbr結構的平面微腔及全金屬鏡構成的平面微腔中觀察到了諧振模式處的輻射增強及非諧振模式處的輻射抑制,發射譜線窄化以及輻射強度空間分佈重組等腔量子電動力學現象
  10. On the basis of kineto - elastodynamics ( ked ), modern control theory and neural networks ( nn ), this dissertation studies, in a systematic way, the theory and the methods of the nn based active vibration control of flexible linkage mechanisms whose flexible links are incorporated with piezoceramic actuators and strain gauge sensors

    本文首次將機構運彈性代控制論及神經網路理論相結合,以具有壓陶瓷作器與阻應變計傳感器的平面彈性連桿機構為研究對,系統地開展了基於神經網路的彈性連桿機構振控制的理論、方法與實驗研究。
  11. Power electronic circuits can show rich nonlinear phenomena, such as bifurcations, chaos and etc. therefore chaotic dynamics is needed to analyze these phenomena

    路在一定條件下會表出豐富的非線性,例如混沌、分叉等,因此十分有必要把混沌引入這一領域。
  12. Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session

    工程制圖一直被認為是一門實踐性科,其整合了幾何、建築、子制圖等,從而將理論與實圖像聯系起來,工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常,即使在開放與遠程教育環境中,工程制圖的教也是通過面對面的教模式來進行的.由於其特殊性,一些習者可能難以想並解釋這些圖像.然而,尖端的技術使得可以通過在線的方式加強工程制圖的習.研究者基於建構主義模式開發了一個面向工程制圖教習的網路系統.該系統適用於幾種工程制圖,例如展開圖、刻面圖、等角圖和斜角圖.習過程包括導論、概念習、工程制圖方法,以及應用與練習等階段.在導論階段,系統為習者提供了專題簡介,然後是概念習階段.系統所提供的習環境允許工程專業的生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念習階段后,系統將引導生通過畫和模擬習每個專題中制圖方法的不同步驟,習者也能重復觀察任何剖面.另外,還通過圖像、畫和視頻等方式展示真實的工程制圖應用案例.最後,為了評價生的理解能,在每部分內容後面都附有相關的練習
  13. Survey of basic electromagnetic phenomena : electrostatics, magnetostatics, electromagnetic properties of matter. time - dependent electromagnetic fields and maxwell ' s equations. electromagnetic waves, emission, absorption, and scattering of radiation. relativistic electrodynamics and mechanics

    簡單介紹的基本:包含靜、靜磁、物質的磁特性。時變磁場與馬克思威爾方程式、磁波、磁輻射特性(發射,吸收及散射) 。相對
  14. With the development of electronic technology, more and more coupled systems of electricity - magnetism - mechanism are used widely. these coupled systems have abundant non - linear dynamics phenomena. in order to improve stability and security of operation of these systems, we ought to study these systems in detail

    隨著子技術的發展,大量的、磁、機械耦合系統得到廣泛應用,這類機耦合系統存在著豐富的非線性,對其進行深入地研究,掌握系統中路子系統和機械子系統及全系統的規律,可以提高系統運行的穩定性及安全性。
  15. This experiment can help students to understand that hysteresis really appears, to some extent, on actual materials, it can also help them to grasp the concept of distance between electrodes changeable capacitance transducer, and improve the ability to apply knowledge comprehensively and the ability to design and practice

    通過這一實驗,能幫助生理解真實材料在一定程度上存在遲滯,掌握變極距容傳感器的概念,提高知識的綜合應用能和設計手能
  16. But if we use chaotic phenomenon directly, three disadvantages exist : ( 1 ) the applied range was limited by dynamic character of the dc / dc converter system ; ( 2 ) high current fluctuation is found, and it is hard to be controlled ; ( 3 ) high output voltage fluctuation

    但是利用dc / dc變換器系統本身的混沌來提高路的磁兼容性,存在著三個方面的不足: ( 1 )應用范圍受到系統本身性質的限制; ( 2 )路中的流波大,難以控制; ( 3 )輸出壓波大。
  17. Since delays are often encountered in engineering systems, ecology systems, electricity systems, management systems and control systems such as the turbojet engine, microwave oscillator, nuclear reactor, controlability of systems and optimal control, etc. the phenomena of delays are investigated by more and more scientists

    在工業工程、生態系統、系統、管理系統、控制系統等實際系統中常常遇到很多時滯問題,如渦輪噴氣發機、微波振子、核反應、系統的可控性和最優控制等問題,所以時滯越來越受到眾多科家的廣泛關注。
  18. Nonlinear dynamics in basic power electronic circuits is investigated in this thesis

    本文分析了子基本dc - dc變換器的非線性
  19. A dispatcher training simulator for restoration of power system is studied in this paper, according to the developing tendency of the electric power technology, the author developed a net - based client / server mode fault diagnosis simulator of hengshui power system, realized the training function of teacher pc / student pc

    本文研究了網事故處理培訓專家系統,作者根據系統自化技術的發展趨勢,以衡水網配系統為研究對,研製了客戶機/服務器網路模式的網故障模擬培訓系統,實了教員臺/員臺的教功能。
  20. Taking ti alloy tc11 electron beam welded work - piece as research object, which is the conventional material of aero engine compressor blisc, the fatigue damage evolution law of fatigue damage action in the area of welded joint based on damage mechanics theory is analysed, and fatigue damage model, which macro - parameter and micro - damage characteristics are related, with fractal geometry - a new conception of modern mathematics is set up in this paper. it tries to research the measuring method of fatigue fracture fractal dimension and the relationship of fractal damage variable with fatigue life. it also sets up the welded joint fatigue damage fractal evolution equation

    本課題以航空發機壓氣機葉盤常用材料鈦合金( tc11 )子束焊構件為研究對,對焊接接頭的疲勞破壞行為,基於損傷理論分析其疲勞損傷演化規律,應用代數的新概念? ?分形幾何理論,建立宏觀參量與細觀損傷特徵相聯系的疲勞損傷模型,研究疲勞斷口分維數測量方法以及分形損傷變量與疲勞壽命之間的關系,建立焊接接頭疲勞損傷分形演化方程。
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