磁變態 的英文怎麼說

中文拼音 [cíbiàntài]
磁變態 英文
magnetic transformation
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  1. Carbon can promote the forming of carbide of fe3c mostly during the ma, while it seems that chromium makes amorphism easier. in addition, this paper also made a research on the milled powder forming technology, and presented some improvement methods

    機械合金化過程中，碳元素可以促進以fe _ 3c為主的碳化物的析出，鉻元素使粉末更趨向于非晶態轉變，並使材料出現超順磁現象。
  2. The rock texture ， mineral occurence feature ， ore electronmagnetic milling and applied possibilities in ceramics and glass of the jadeite metamorphic aegirine - augite nepheline syenite in suizhou ， hubei were studied. the results show that the ore deposit combines the advantages of mining and milling ， and the finished ore by single electronmagnetic milling may be fully utilized as the raw materials for ceramics and glasses. meanwhile ， another important fact is that the compositon with 90 percent raw ore may be manufactured into the wall and floor tiles with glaze, which was affirmed by a lot of experiment research

    隨州硬玉質變霓霞正長巖的巖石組織結構、礦物賦存狀態、礦石可選性和玻璃陶瓷原料應用試驗研究表明：該資源具有易采易選兩大優點，礦石經單一磁選的精礦可作玻璃和陶瓷的原料；同時已反復試驗證實該資源可燒成原礦用量達90的釉面墻地磚。
  3. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對測試數據的分析與綜合研究，並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比，得出本區花崗巖類巖石具有以下特徵：屬磁鐵礦-型或同熔型花崗巖，其巖漿物質具殼幔混源特徵：主要由熔融態巖漿經結晶分異作用，通過多期變速上侵而形成；其分異演化程度較低；寄主巖基和包體具有同源性；巖石的形成溫度范圍約為500 - 700 ，壓力大約為2 . 50gpa - 4 . 35gpa ，氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ；該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期，為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。
  4. The effect on display characteristic made by thermal deformations of the shadow mask is comprehensively investigated. by using the electron beam distribution automatic measurement system with a micro - deflective coil, a concave spot in luminance distribution can be get. it changes its position when the shadow mask changes its form

    本文系統全面地分析了傳統蔭罩的各類熱變形對顯示屏特性的影響，利用本文研製的電子束亮度分佈自動測試系統，附加一個微偏轉磁場，使相鄰兩電子束打在同一顏色的熒光粉條，並形成一個亮度凹點，當蔭罩變形時，凹點位置作相應的位移，以此原理跟蹤測量凹點位移量，即可得到色純漂移動態變化曲線。
  5. In the aspect of application research, through analyzing the existing state and selection - smelting feature of iron, titanium and vanadium which were mainly applied elements in panzhihua vanadic titano - magnetite deposit, the mine - exploding mode of zhujiabaobao section could be figured out by combining the rhythmic change feature of ore chemical composition, mineral composition and content and mineral chemical composition

    在應用研究方面，通過分析攀枝花釩鈦磁鐵礦主要利用元素鐵、鈦、釩的賦存狀態及選冶特性，結合礦石化學成分、礦物成分及含量、礦物化學成分呈韻律式變化這一特徵，建立了朱家包包礦段的開采模型。
  6. Compared with the passive car suspension, the semi - active car suspension system with the intelligent mr damper can control the damping force automatically with the computer control and then enhance the ride comfort and handling stability of the car effectively

    與傳統的汽車被動懸架系統相比，裝有磁流變阻尼器的半主動懸架系統，可以根據路面狀況和車輛運行狀態，在計算機的控制下自動調節阻尼力，大大提高了汽車乘坐的舒適性和行駛安全性。
  7. Simply supported and multilayered magneto - electro - elastic plates : the state vector equation of transversely isotropic magneto - electro - elastic solid is established from its governing equations in a cartesian coordinate system

    對于簡支壓電壓磁彈性層合板問題，從它的基本方程出發，建立了壓電壓磁彈性層合板的狀態變量方程。
  8. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素（ ce 、 la 、 y 、 dy ） 、能量（超聲波、磁場）介入后，沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化，表現在：鍍液的陰極極化過電位和極化度降低，沉積速度提高；鍍層的結合力、表面質量改善；鍍層中過渡族元素的含量增加，輕元素硼的含量降低，同時證實了稀土元素與過渡族元素共沉積的可能性；鍍層的顯微結構由非晶態向微晶和多晶態轉變；鍍層的顯微硬度與耐磨性提高，力學性能優化；鍍層的矯頑力降低；磁導率提高；鍍層的磁化強度在能量（超聲波、磁場）和輕稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。
  9. At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor

    目前，用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統，這就導致了操作的不方便和出現了故障用戶不知道，降低了監控系統的可靠性，為此，我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細分析，找出各個伺服控制信號的控制變化規律；然後從中選出合適的控制信號；針對目前錄像機在實際監控使用過程中存在的問題，選用合適的元器件；運用protel繪圖軟體，設計了這個多臺業務用錄像機的統一控制系統，她主要包括以下功能：錄像機操作功能（如power play ff rew stop rec eject及正尋反尋帶速設定等）的統一線控控制功能；磁帶在記錄過程中，磁帶到頭和磁帶自己「偷停」的報警，並要能顯示出具體是哪一臺錄像機；在記錄狀態下，攝像頭輸入信號丟失報警，並要能顯示出具體是哪一臺錄像機；在休息或其他不需要記錄時，一旦警戒區有情況，則控制所有機器自動進入錄像狀態的功能；從錄像機輸出的監控圖像信號對監視器的切換功能。
  10. At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened

    目前，牽引變壓器通常採用差動保護作為主保護，但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或非內部故障，如故障電流與變壓器處于勵磁涌流、過勵磁， ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的區分，可能造成保護誤動或拒動，從而危及整個鐵道電氣化系統的安全運行。
  11. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  12. In this dissertation, correlative research of longer - term voltage stability have been carried out, including some slow dynamic elements, such as on - load tap changer ( oltc ), maximum excitation limiters ( mel ), etc. the effects of these slow dynamic elements on the course of voltage instability or collapse are revealed from the point of view of time - domain simulation

    本文基於pss e程序中的擴展動態模擬模塊，對考慮有載調壓變壓器（ oltc ） 、最大勵磁限制器等慢動態元件的中長期電壓穩定進行了相關的研究，從時域模擬的角度揭示這些慢動態元件在電壓崩潰過程中所起的作用。
  13. The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point

    系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關，因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息，對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變，磁性相變，超導相變等及臨界點附近的標度規律。
  14. The auxiliary modulating signals of the current controller at the rectifier and the extinction angle controller at the inverter, and the reference voltage of exciter are chosen to be control variables. then the all - state feedback linear optimal controller is designed

    以直流系統整流側電流控制器的輔助調節信號、逆變側關斷角控制器的輔助調節信號以及勵磁系統參考電壓作為控制變量，設計了系統的全狀態反饋線性最優控制器。
  15. Since iron hearts of a very similar role to iron core magnetic - fluid changes will enable the inductance with the electrical frequency change, and therefore affect the dynamics of the electrical performance

    5 .由於爪極鐵心中的渦流作用引起鐵心磁導的變化，也就使電機的電感隨頻率而變化，因此影響電機的動態性能。
  16. This paper considers two controllers with different feedback signals ? the ac current phase angle of converter transformer and the ac voltage magnitude of inverter bus, respectively. pscad / emtdc simulation software is used for the controller testing. the test models used for the analysis are the cigre hvdc benchmark systems with different scr at the inverter side

    為了驗證該控制方式的有效性，本文採用了電磁暫態模擬軟體pscad emtdc ，在國際大電網會議cigre提出的hvdc標準模型上，用逆變側短路比不同的系統對調制控制器的性能進行了模擬測試，調試出了調制控制器的各參數值。
  17. Lead the team to do the research on electro - magnetic transient overvoltage calculation and insulation coordination of power system, lightning overvoltage calculation of substations and transmission lines, protection, operation and test of arresters, overvoltage limiter and other lightning protection equipment

    帶領團隊從事電力系統電磁暫態過電壓計算及系統絕緣配合研究，變電站和輸電線路雷電過電壓計算及防護技術研究，避雷器及過電壓限制器等防雷保護設備的運行技術和試驗技術研究等。
  18. ( 3 ) the law and characteristic of electromagnetic transient process for the switching overvoltage in the electric network of power stations have been studied by analyzing the electromagnetic transient process of switching overvoltage in power station and specially approaching the surge overvoltage transferred from the switchgear station through power transformers

    （ 3 ）通過分析廠站操作過電壓的電磁暫態過程及特性，特別是對超高壓開關站中的操作過電壓通過升壓電力變壓器傳遞的傳遞過電壓進行分析研究，研究了廠站電氣網路中過電壓的電磁暫態變化規律及特性。
  19. The magnetic ground state of lafe _ ( 11. 4 ) al _ ( 1. 6 ) cx compound changes from antiferromagnetic to ferromagnetic for x > 0. 06 and the curie temperature increased monotonously with the increase of carbon content. a large magnetic entropy change was obtained near the phase transition temperature and the refrigerant capacity is good

    當碳含量高於0 . 06時，化合物的基態由反鐵磁變為鐵磁且居里溫度隨c含量的增加向高溫區移動，在各自相變溫度附近保持較大磁熵變，具有良好的磁製冷能力。
  20. Steady state performance of brushless doubly - fed machines for adjustable speed drives

    雙饋交流勵磁變速電機的穩態特性及勵磁容量分析
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