電流反常 的英文怎麼說

中文拼音 [diànliúfǎncháng]
電流反常 英文
failure of the current
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer.

    位移電流的機理只對反向偏壓或要維持空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。
  2. The presence of a large density of contaminant causes anomalous increases in the diode current with increasing reverse bias.

    大量沾污也會使二級管電流隨反向偏壓的增加而呈現反常的增大。
  3. 1. ultra compact metal housing : small and rugged, stores easely in any tool box, briefcase or glove compartment. 2. low battery shutdwn : automatically detect low.

    因為我們通常是將220伏交流電源整流變成直流電來使用，而逆變器的作用與此相反，因此而得名。
  4. It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制
  5. Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制
  6. The researching results indicate the reverse recovery characteristics of the device are much improved : the reverse recovery time is remarkably shorted, the peak reverse current is notably reduced and the soft factor s is also increased in various degrees but not notable changed in forward drop when introducing the two kinds of novel structure

    結果表明，採用新結構后，反向恢復特性大大改善，恢復時間明顯縮短，軟度因子s顯著提高，反向峰值電流也有不同程度的降低，其綜合性能遠遠高於si同類型結構及常規p ~ + （ sige ） - n ~ - - n ~ +二極體。
  7. And the kinetic parameters of mn ( iii ) / mn ( ii ) redox process were calculated to be ks = 1. 771 10 - 4cm ? s - 1, io = 4. 801ma ? cm - 2 and = 0. 234. the value of ks is sufficient to warrant further study to improve the reaction rate and to assess the feasibility of this couple as positive half - cell in a redox - cell system

    Mn （ ） / mn （ ）體系在鉑盤電極上的標準速率常數ks的值說明可進一步研究來提高其反應速率，從而將mn （ ） / mn （ ）電對作氧化還原液流電池的正極材料。
  8. The obtained results indicate that the concentrations of reactants in the catalyst layers in front of t he current collectors are very low, that reduce the utility of catalyst ; the current density at the edges of the channels is many times greater than the mean current density

    計算了電池內反應物濃度的分佈、電流密度分佈、甲醇竄流以及電壓-電流特性曲線等。結果表明：集流板前的催化層內反應物濃度非常低；流道邊緣附近電流密度比平均電流密度大許多倍。
  9. Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )

    由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響，投藥絮凝過程是一個非常復雜的反應過程，為實現投藥系統的自動化和降低混凝劑耗率，國內外相當多的科研機構和院校在進行投藥機理和自動化處理的研究，主要有流動電流儀檢測法（ scd ） 、現場模擬實驗法、數學模型、顯示絮凝控製法（ fcd法）等自動投藥方式的研究和實驗。
  10. To resolve the difficulty of installing flow sensors in the conventional microinjection system, based on the development status of mems and micro flow control technology, the possibility of constructing a kind of transgenic microinjection system is analyzed and explored

    為了解決常規系統中布置反映實際出流信息的傳感器的困難，結合微電子機械繫統和微流量控制系統的發展現狀，就構建基於mems的轉基因微注射控制系統進行了可行性分析與探索。
  11. Abstract : a new current feedback control method of brushless dc motor ( bldcm ) is introduced in this paper, which combines the traditional overlap method with the fixed - frequency sampling current control method. it both stabilizes the work frequency of the inverter, and improves the commutative performance of bldcm. and it is verified by the result of the simulation

    文摘:提出一種永磁無刷直流電機電流反饋新的控制方法，即採用常規重疊換相法與定頻采樣電流控制相結合的方法，既能穩定逆變器的工作頻率，又改善了永磁無刷直流電機的換相性能，利用模擬對提出的方法進行了驗證。
  12. It is shown that under the action of the shock, the region current moves towards the midnight, accompanied by a successive occurrence of two fac structures : an anomalous fac pair of opposite direction to the region current and a new region current of the same direction

    模擬結果表明，在激波的作用下，電離層區電流系統向子夜方向運動，在向陽側相繼出現與原區電流反向的異常場向電流對和同向的新生區電流對。
  13. Based on this, the optimum operating mode of ln anisotropic one - dimension aeo device is determined as : light promulgates along z axis, ultrasonic wave promulgates along x axis, and direct current electric field is loaded along y axis

    經過計算，一維鈮酸鋰反常聲電光器件的最優化工作模式為:光沿著z軸方向，直流電場沿y方向，超聲波為沿著x軸方向的快切變波模式。
  14. And the net gives the students the right environment to express, self - question and develop the self - consciousness. the environment of record tracing and electric expression is good for students " development and improvement of the students " metacognitive ability

    而網路恰恰提供了學生表達、反省和自我意識發展的環境，網路提供的記錄跟蹤和電子化表達交流環境將非常有利於促進學生元認知能力的培養和提高。
  15. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。
  16. Based the basic principle of the accumulation of induced electric charges across the resistivity discontinuities and the induction current channeling inside the conductive bodies inspirited by the mt field, we set up the relation between the measured field on the earth surface and the distribution of the induced source underground by means of the defining the electric charge occurrence probability function and the electric dipole occurrence probability function and the spacial distributing of the " correlation probability ". the " image " of the field sources underground, or the distributing graphy of the induced electric charges and the induced current in the mesuring area can be drawed, from which we can get the outline of the geological anomaly on the meaning of the probability

    大地電磁場概率成像方法是一種新的地球物理成像反演方法，它是根據在大電磁波場的激勵下，地下介質電阻率間斷處產生感應電荷積累和導體內部產生感應電流，從而產生感應電磁場的原理，相應地定義了感應電荷發生概率函數和感應電偶極子發生概率函數，通過「相關概率」發生的大小的空間分佈，建立了地表觀測場與地下場源空間分佈的內在聯系。地下場源分佈概率的「像」 ，即測區的感應電荷和感應電流的概率的分布圖像，就是測區內地質體在概率意義下地質異常體的分佈輪廓。
  17. It is approved that the deficiency level keeps relatively the lowest and the dielectric constant however shows the highest, if the contents of mn3 + and la3 + are comparatively the same. on the contrary, the dielectric constant decreases with increasing the contents difference of mn3 + and la3 + ions. the effect of overlap appeared when the dielectric loss was aroused due to the activation of positive and negative carries at certain temperature, which brought abnormally high dielectric loss

    證實了材料在mn ~ （ 3 + ）含量與la ~ （ 3 + ）含量相當時體系中產生的缺陷相對最少，其介電常數最大，反之隨兩者含量偏差的增大而下降；材料中由正負兩種局域載流子在一定溫度下激活過程中產生的損耗出現了迭加效應，給出了異常的高損耗值;材料中隨著mn摻量的增大，體系提供的3d電子數增多，電子輸運通道改善，導電性提高。
  18. It is shown in mechanism analysis that 1 / f noise originating from border traps is ~ sensitive to both of the oxide charges and interface traps induced by esd and hci and the similarity coefficient can express the local characterization more thoroughly, while the changes of electrical parameters usually lie on one of the defects

    機理分析表明，起源於邊界陷阱的1 / f噪聲對于靜電和熱載流子誘發的氧化層電荷和界面陷阱兩類缺陷都同時敏感，而相似系數更能反映1 / f信號的局域特性，但電參數的變化通常主要取決于其中一類缺陷。
  19. This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination

    本論文分析了目前常用比例閥的類型、功能、特性，並針對其不足提出新的改進方案，即：以流量放大，電反饋兩個原理為基礎，通過對流量閉環控制及壓力流量復合的計算分析、確定上最小控制壓差及流量控制范圍，確定主閥結構、功能特性研究等，提出了「流量? ?負載壓力變化? ?位移修正」的控制原理和壓力流量雙閉環控制原理，並進一步論述了利用一個比例控制器和一個「電?機械轉換器」就可完成獨立的壓力或流量控制功能以及流量壓力復合控制功能。
  20. The newly - developed " routine d. c. 2 - dimensional interactive inversion software system " was used to perform computer interpretation of ip and resistivity data from a certain large - size lead - zinc deposit in hebei province

    摘要介紹了利用新研製的常規直流電法二維人機聯做反演軟體系統對河北省某大型鉛鋅礦的激電和電阻率法資料作計算機解釋的結果。
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