正阻抗 的英文怎麼說

中文拼音 [zhēngzǔkàng]
正阻抗 英文
positive impedance
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 抗 : Ⅰ動詞1 （抵抗; 抵擋） resist; combat; fight 2 （拒絕; 抗拒） refuse; defy 3 （對等） contend with...
  • 阻抗 : [電學] impedance
  1. The main operating transformer connected by a adscititious tandem on - load - tap - changing one is the important mode. about this question readers can get a correct and detailed answer from this paper

    通過基本定義和有關名牌值進行了計算和分析，認為在正負極限檔，外加串聯調壓變的阻抗值相對額定檔的偏差很小，所以可不必在意這種變壓器整體阻抗的偏差值。
  2. An ideal transformer, voltages are transformed in the direct ratio of turms, currents in the inverse ratio, and impedances in the direct ratio squared ; power and voltamperes are unchanged

    理想變壓器電壓與匝數成正比，電流與匝數成反比，阻抗與匝數平方成正比，功率不變。
  3. The bell - shaped time course of the information entropy indicates that a forward mutation of " - resistant " hosts takes place, since no loss of cellular viability occurs for the second growth phase of reinduced ( i. e. recovered ) cells

    從誘導過程之鐘形訊息亂度之時間趨勢表示正向反應變異為-阻抗能力之宿主菌確實已發生，因為再誘導菌相細胞之第二生長期並未發生因感染而失去細胞存活之現象。
  4. In the first part of this paper, mn ( iii ) / mn ( ii ) couple in h2so4 was firstly applied as the positive couple to this system, i. e. redox flow cell. its chemical, electrochemical properties, redox kinetics and related parameters were characterized and discussed by rotating disc electrode ( rde ), cyclic voltammetry ( cv ), a. c. impedance ( a. c. imp ), chronoamperometry, tafel curve, and galvanostatic charge / discharge techniques. conclusions have been drawn as follows : 1. the electrochemical kinetics of mn ( iii ) / mn ( ii ) redox couple in 6. 3m h2so4 solution were studied by means of rotating disc electrode ( rde ) technique on platinum electrode

    本文第一部分首次成功地將酸性介質中的mn （ iii ） / mn （ ii ）電對應用於氧化還原液流電池這一新型儲能裝置的正極活性材料，通過旋轉圓盤（ rde ） 、循環伏安（ cv ） 、交流阻抗（ a . c . imp ） 、恆電位階躍、 tafel實驗以及mn （ iii ） / mn （ ii ）單電極的恆流充放電實驗，我們得出以下結論： 1 .在旋轉圓盤電極上，不同轉速范圍，不同的極化過電位， mn （ ） / mn （ ）體系氧化還原電極過程的控制步驟不同，電荷傳遞、擴散傳質可分別或聯合成為控制步驟。
  5. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  6. We have done a serial of experiments to study the pam and anode grid with the aids of the measurement such as constant current charge / recharge, cyclic voltammetric measure ments, electric impedance spectrum and so on

    我們通過恆電流充放電、交流阻抗和循環伏安等實驗方法和測試手段對鉛酸電池的正極活性物質和板柵進行了一系列的研究。
  7. There are many methods for measuring impedance and commercial lcr meters may have very different working principles. it is more advisable that customers submit their impedance standards for calibration, which in turn can be used to perform in - house checking of their lcr meters. however, the laboratory may offer performance checks for lcr meters using impedance standards

    測量阻抗的方法有多種，故此市面上的電感電容電阻計或有截然不同的操作原理，一種比較適當的做法是客戶將其阻抗標準器送來本所校正，然後客戶可利用這些已校正的標準器替自己的電感電容電阻計進行測試。
  8. First, basing on carefully post - processing and correcting seismic data, inverse the wave impendance and physical parameters of reservoir, making the researches of seismic attributes are made, then, the relationship between seismic attributes and oil - gas parameter are used to make regression analysis and calculating physical character parameter of reservoirs and oil - gas. basing on avo attributes analysis of known well, the correlation of avo attributes and oil - gas can be applicated in whole area

    首先對地震資料進行精細疊后處理及統一校正，在此基礎上進行波阻抗反演、物性參數反演、地震屬性的研究，並利用油氣參數與地震屬性之間的關系進行回歸分析，計算油氣及儲層的物性參數；從已知井處的avo屬性處理及分析入手，研究avo與油氣的關系並應用於整個研究區；計算出剖面的吸收系數並研究其與儲層分佈和油氣之間的關系。
  9. The mutual coupling between elements is expressed in terms of the normalized impedance matrix of the uniform linear array, the concise expressions for the optimized weight of the lms algorithm and the signal - to - interference - plus - noise ratio are given. the effect of mutual coupling on the performance of the sinr is illustrated with two examples, a method for compensating the mutual coupling is present, the compensation effect of this method is verified by example

    用譜分析法，把陣元問的互耦用陣列的歸一化阻抗矩陣來描述，推導了均勻線陣的最佳權矢量及信號干擾噪聲比的表達式，模擬計算了互耦對自適應天線陣列的信號干擾噪聲比的影響，給出了一種校正互耦的方法，數值模擬了校正的效果。
  10. Citric acid, taking the place of hno3, solutes the substance which does not solute in solution, and it acts as the ligand of metallic ionic and the hydrolysis catalyst of si ( oc2h5 ) 4, which reduces the pollution caused by no2 which forms at the decompose process of the hot treatment. by changing the means of calcine of the drier gel, choosing the suitable temperature to burn the gel, the high temperature calcine time is shorted, which solves the question of the long period calcine. so the preparation process of the matrix and composite was finished by using more lower temperature than the traditional solid state reaction and more shorter time than the traditional sol - gel process

    結果使基質和復合物的制備在比傳統的固相反應法低得多的溫度下和比常規的溶膠凝膠法短得多的時間里完成；五、對基質及復合物的干凝膠、粉體和燒結體進行了ir 、 dta 、 xrd 、 seni及交流阻抗譜表徵，研究結果表明：在溶膠向凝膠的轉化過程中同時存在著正硅酸乙酯自身的聚合作用和檸檬酸鹽絡合物之間的聚合作用：干凝膠向產物粉體的轉化在400600c之間進行；基質li 。
  11. Hf - current generates warmth in tissues. this warmth rises proportionally to electrical resistance and superproportionally to the square of current density

    高頻電流流過組織時產生熱量，這些熱量和電阻抗、電流強度的平方成正比。
  12. From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3

    在二維非均勻介質逆散射邊界識別的數學模型（包括一般的非均勻介質，正交各向異性介質，變阻抗介質，各種可能的混合變阻抗邊界問題）下，由內透射問題和外透射問題以及輻射條件，推導了上述介質的邊界識別的積分方程和指示函數方法，由於積分方程的核充分表徵了散射物的邊界，由此說明只要利用正則化方法求解該積分方程，就可以確定散射物的邊界。
  13. The charge and discharge performances of different composites were studied by the charge and discharge ; the structures of composites were characterized by sem ; the electrochemical properties of sulfur positive materials were characterized by cyclic voltammetry and eis. we studied the charge process, discharge process, charge - discharge efficiency, self heat, and self - discharge of lithium - sulfur system on system shuttle constant, conduct the mechanism of these processes and simply analyse them

    以充放電技術研究了不同類別復合正極的充放電性能;以掃描電鏡技術觀測了復合正極的表面形貌;以循環伏安技術和交流阻抗技術研究了復合正極電極的電化學性能;並初步探討了鋰-硫電池體系中充電過程、放電過程、充放電效率、自熱和自放電等對體系飛梭常數的影響，推導了這些過程的機理並簡要的進行了分析。
  14. We have made three - dimension electric conduct grid by hand and we have successfully used it as anode grid in lead - acid battery. this kind of three - dimension electric conduct grid can improve the utilization of pam by 7 - 9 % in different discharge current density and can reduce the plate electrochemical impedance to one tenth of the normal plate. also this kind of grid can improve the marginal reaction current density in a certain degree

    我們通過手工製作了三維導電體板柵，並成功的應用於電池的正極作為正極的板柵，這種三維導電體板柵能夠在各種不同的放電電流密度下提高正極活性物質利用率7 9 ，能夠使電池正極板的電化學阻抗降低到普通板柵的1 10左右，使正極板的極哈爾濱j _程大學碩十學位論文限反應電流密度略有所提高，但是這種板柵的耐腐蝕性能很不理想，使得所製作電池的壽命很短。
  15. From the experiment we have found out that the carbon fibre can improve the anode performance when it was used as pam additive and meanwhile it can have some benefits to the anode life. when its content at 0. 2 - 0. 3 % in pam can achieve its best result and under this situation it can improve the utilization of pam by 5 % at different discharge current. carbon fibre and sulfate sodium is used as complex pam additive and its effect is better than that of carbon fibre which alone is used as additive

    通過實驗我們發現，碳纖維作為鉛酸電池的正極活性物質添加劑能提高鉛酸電池正極的性能，並且對電池正極板的壽命有一定的好處，當碳纖維在正極活性物質中的含量為0 . 2 0 . 3能得到最理想的效果，這個時候能在各種不同的放電電流下提高正極活性物質的利用率5左右，並且能夠使極板的電化學阻抗降低。
  16. Using forward impedance modeling to trace the sandstone reservoir

    波阻抗模型正演技術在砂巖儲層預測中的應用
  17. Because of the significant difference in curve shape between the normal bacteria culture and culture with antibiotics, this technique could be used to study the drug - resistance of bacteria

    因正常細菌培養基所產生的阻抗曲線圖譜與在細菌培養基中滴加了抗菌藥物所形成的阻抗曲線圖譜形態有明顯差別，利用這種阻抗曲線圖譜的形態差別來判斷細菌的耐藥性。
  18. Pic simulations are performed to determine gap scaling in a high density pegs. comparisons of simulation results with simply theory results and experiment results, indicate that the pegs gap is always equal to the critical gap for magnetic insulted electron flow. it is important to note that, the vacuum electron flow to the anode causes current loss and the

    另外，根據模擬結果還得到了兩個重要結論：電流損失是由真空漂移電子的出現所造成的，電流損失的大小與負載阻抗成近似正比關系；負載阻抗等於peos的流阻抗時，負載獲得功率最大。
  19. In non - selfsustained discharge the excitation and ionization processes can be controlled separately, which is useful to optimize the e / p value of the discharge. the ballast resistance can be leaved out and the maximal electro - optical efficiency reaches 19 %

    非自持放電使激光器的激發和電離過程分開，有利於使二者分別處于各自的最佳e p值附近，放電的正阻抗特性使放電電路可以省去限流電阻，極大地提高激光器的實際效率。
  20. In this thesis, the physical properties of a series of na2fepo4f cathode materials synthesized by various routes are instigated and discussed in the light of structural ( xrd ), thermal ( dta ) analyses and particle size distribution. their microstructures were studied by transmission electron microscope ( tem ) and scan electron microscope ( sem ). the electrochemistry property were evaluated with cells containing the synthesized na2fepo4f as positive electrode

    本文將藉助x -射線衍射、掃描電鏡、透射電鏡、差熱分析以及電化學測試等方法，系統研究多種制備法對所合成的鈉離子二次電池正極活性材料氟磷酸亞鐵鈉的微結構以及循環可逆容量、循環伏安性能、交流阻抗譜的影響。
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