電流速率 的英文怎麼說

中文拼音 [diànliúsùlǜ]
電流速率 英文
electric current speed
  • 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  • 速率 : speed; rate; tempo
  1. ( i ) in the procession of preparing na2feo4 by electrolyzing and oxidizing anodic iron in the high concentration solution of naoh, the current efficiency is directly proportional to both of the temperature and the alkaline concentration of the anolyte, and the growth rate of the na2feo4 concentration of anolyte is directly proportional to both of the electrolyzing speed and the alkaline concentration of anolyte.,

    主要結論如下： （ 1 ）在濃naoh溶液中直流電解氧化鐵陽極生成na _ 2feo _ 4溶液的過程中，電解液溫度、陽極液堿濃度與電流效率成正函數關系；電解速度、陽極液堿濃度與陽極液中na _ 2feo _ 4濃度的增長速度成正函數關系。
  2. Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller

    Mems （ microelectromechanicalsystem ）近年來發展最快的技術之一，隨著mems技術的快速發展，電容式加速度計的電容變化變化量越來越小，對檢測技術提出了新的要求。在電容式傳感器中，常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小，電容總量只有幾個pf ，變化量就更小。
  3. The thesis is devoted to exploiting a permanent magnet synchronous machine ( pmsm ) for the parallel hybrid electric vehicle ( phev ). three parts are included as follows : at first, in the electromotor state, the current control strategies of pmsm are determined. giving the elementary method for solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state

    本課題的研究工作主要圍繞開發一臺並聯式混合動力電動汽車（ phev ）用永磁同步電機（ pmsm ）展開，所作的工作主要包括以下幾個部分：首先，確立了phev用pmsm電動機運行狀態時的電流控制策略，針對pmsm在電動機運行狀態時提高弱磁擴速能力和在發電機運行狀態時減小固有電壓調整率的相互矛盾，提出了初步的解決方法。
  4. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    直流電沉積時，基質金屬的沉積連續進行，粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附，重新回到溶液中;採用周期換向脈沖時，反向脈沖電流使表面荷正電的較大的粒子更易從電極表面脫附，同時，反向脈沖電流對基質金屬的溶解作用，也會促進粒子的脫附，因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加，三種鍍層的晶粒都明顯細化，說明al _ 2o _ 3的存在阻止了晶粒的長大，提高了電沉積過程中晶核的形成速率。
  5. It looks upon water resistant as load, simulate every instance of locomotive running and check its every parameter automatically, then collect and dispose these data of parameters, calculate the power of simulating running of locomotive, which is based on the current, and voltage of host dynamotor. afterward, it can be judged from the working state of locomotive. through experiment and adjust each parameter, it can provide important warrant to the components of locomotive whether they can work normally and credibly

    即以水阻作為負載，模擬機車運行，對機車的主發電動機的電流、電壓和柴油機的轉速等參數進行檢測，並對檢測結果進行處理，計算出模擬機車運行時的功率，並以此為依據，對機車的工作狀念進行判斷，通過水阻試驗，調整有關參數，使機車運行時能發揮所要求的功率和滿足規定的工作特性。
  6. Current density and electroplating velocity has line relation, but the increscent multiple of electroplating velocity is smaller than that of current density. which indicate that current efficiency decreases with the increase of current density at alcb + lialh4 system. at l - 5a / dm aluminum coating is dense and uniform, especially at 2. 5a / dm

    電流密度與電鍍速度兩者近似成直線關系，但電鍍速度增大的倍數比電流密度增大的倍數要小，說明在alcl _ 3 + lialh _ 4體系中隨著電流密度的提高，電流效率逐漸降低。
  7. The suitable additives recombination can not only improve considerably the quality of chromium coating, increase the brightness, current efficiency, dispersion ability and sedimentation velocity, but also enlarge the application scope of chromium plating technology

    採用適當的添加劑復合不僅可以顯著提高鍍鉻層質量，增加光亮度、電流效率、分散能力和沉積速度，而且可以擴大鍍鉻工藝范圍。
  8. Using contrast and orthogonal experiment methods, the effect of electrolyte formulae for varied concentration of cr03 and technology of chromium plating on coating property was studied systematically in this paper. primary factors and their interrelations, which influence the brightness of coating, the current efficiency, dispersion ability and sedimentation velocity of electrolyte were discovered

    本文採用對比試驗和正交試驗等方法系統地研究了低、中、高三種不同鉻酐濃度的鍍鉻液組成和鍍鉻工藝對鍍鉻層性能的影響，找到了影響鍍層光亮度、鍍液電流效率、分散能力和沉積速度的主要因素及其相互關系。
  9. Vvvf door controller frequency converter makes lift door installation easier and more convenient as its control center is the internationally advanced engineering 16 digital micro computer and it operates with the fully digital spwm modulation techniques, with igbt module as the output power drive and with voltage, current and speed under fully digital closed circuit control ( the door controller ' s operation parameters are inputted by means of the keyboard )

    Vvvf控制門機變頻器採用當今國際上先進的工控16位微型計算機為控制核心，採用了全數字spwm調制技術， igbt模塊作輸出功率驅動，電壓、電流、速度全數字閉環控制（門機的運行參數均可通過鍵盤設置輸入） ，從而，使門機的安裝調試更加簡單，方便。
  10. Enhancement of the electric current could increase the removal rate of o - chlorophenol and cod of its wastewater ; but the current efficiency was decreased

    提高電流雖能增加鄰氯苯酚及其廢水cod的去除速率，電流效率卻降低。
  11. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。
  12. Modified formula for sensorless dc motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4 - pole dc motor

    摘要根據4極直流電動機的轉速與脈動電流頻率關系的實驗結果，對現有的無傳感器直流電動機測速公式提出了修正意見。
  13. The new modified formula not only meets with our experiment result, but also can explain the examples of relationship between the speed and the current ripple frequency of dc motors in the literature

    新的修正公式不僅能夠解釋文中的實驗結果，也能滿足以往文獻提出的直流電動機轉速與脈動電流頻率之間的關系。
  14. And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made. the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al. on efficiency and gain are analyzed in detail

    並對34ghz兩腔迴旋速調管的注?波互摘要作用進行了大量的數值模擬研究，分析了漂移區長度、電壓、電流、速度lhq值、磁場k ， ； 、注入波功率等多種因素對互作用電子效率及增益的影響。
  15. As for the method of preparing solid potassium ferrate from electrolytic synthesis of sodium ferrate solution, it is compared that the effects of the main procession facts of electrolysis upon both the anodic current efficiency and the relative concentration of na2feo4. one method was put forward to obtain high concentration of na2pe04 in the high concentration of alkaline by quick electrolyzing iron anode

    針對由電解法合成na _ 2feo _ 4溶液進而制備固態k _ 2feo _ 4的方法，通過比較研究電解過程中主要工藝因素對陽極電流效率和相應na _ 2feo _ 4濃度的影響，提出了在濃堿液中快速電解鐵源陽極獲取高濃度na _ 2feo _ 4溶液的方法。
  16. The card is based on the flat roof of pc machine, at first, we are used of the source of program data to leave in ide care, then binary file is come by the send out card, which is transmitted the standard ' s transmission stream. according to the european the standard of dvb - c, variable transmission current velocity rate is 9. 6 - 38. 4 mbits / s

    此卡基於pc機平臺，首先將節目源數據以二進制文件的格式存放在普通ide硬盤上，然後通過計算機的pci總線將二進制文件經過發送卡轉換成符合數字電視asi （異步串列介面）介面標準的平穩碼流。根據歐洲dvb - c標準，可變的傳送流速率為9 . 6 ~ 38 . 4mbit s 。
  17. Whether the dynamo operates globally ( rather than in limited regions ) would depend on whether the star ' s rate of rotation was comparable to its rate of convection

    是否能讓整個星體成為一部發電機（而非在小塊區域內各自產生發電機作用） ，端看這顆星球的自轉速率是否和其對流速率相當。
  18. The finite element method ( fe '. i ) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details. the thermo - radiation analytical countermeasures of various types are adopted to carry out the numerical analysis of the effects of the crucible with different shapes and sizes and the blind holes with different depths opened in the tops of crucibles as well as coil positions upon the thermal field distribution whereby solving the main problem of field the thermo - field design of the induction - heating sic crystal growth system. a new combination idea of the thermo - field design obtained by means of the united design of the thermo - insulator and blind holes has been presented

    採用有限元分析方法對線圈匝數、電流強度、電流頻率等對焦耳熱產生速率的影響進行了詳細的分析討論；採用不同的熱輻射分析策略，對不同坩堝形狀、坩堝頂部開設不同深度的盲孔以及線圈的位置等對熱場分佈的影響進行了數值分析，解決了感應加熱碳化硅晶體生長系統熱場設計的主要問題，提出了通過絕熱層與盲孔的聯合設計獲得所需熱場設計的思路，給出了根據軸向溫度梯度的波動對線圈位置實行動態調節以控制熱場的理論依據。
  19. Computation method based on fast fourier transformation ( fft ) is studied deeply, whose measurement accuracy is 0. 2s. the computing indexes involve voltage, current, power, frequency, phase, electric power, the harmonic ratio and the total harmonic distortion ( thd ) of phase voltage and phase current

    深入研究了測量精度為0 . 2s級的基於快速傅立葉變換（ fft ）的電壓、電流、功率、頻率、相位、電能等電力參數和各相電壓電流各次諧波含量、諧波含有率、諧波總畸變率的計算方法。
  20. This thesis demonstrates a " ac - dc - ac locomotive emulation experiment platform " system, which is used to simulate behaving environment of locomotive system in several control circumstance and obtain kinds of performance parameters, so it contributes to the design of locomotive. to user - computer interaction, this thesis devises corresponding graphical user interfaces, so users can configure various modules " and controllers / parameters with knowing little about the details of this emulation system

    本論文擬構造「交?直?交型電力機車模擬試驗臺」一系統，模擬電力機車系統在各種控制條件下（如牽引、制動等）的運作情況，觀測各種性能指標參數（如變壓器一次側電壓/電流/功率因數、牽引電機電壓/電流、牽引力、機車速度等） ，這對于電力機車的設計和運行具有一定的指導意義。
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