有效電導率 的英文怎麼說

中文拼音 [yǒuxiàodiàndǎolǜ]
有效電導率 英文
effective conductivity
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 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...
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 有效 : effective; valid; efficacious
  1. Because the cross - section of the oversized rib waveguide we fabricated by wet - etching was trapeziform, we analyzed the transmission of oversized rib waveguide by combining effective refractive - index method. the influence of some factors on the optical transmission loss, such as material structure, the height of rib waveguide, and the thickness and refractive index of waveguide layer and up - layer of polymer material, was analyzed

    因為濕法腐蝕工藝製作的反脊波導橫截面是梯形狀的，因此論文中採用了一種簡單有效的方法，即有效折射率法，對梯形反脊波導的光傳輸損耗特性進行了分析，同時考慮金屬電極產生熱場對脊波導傳播特性的影響。
  2. In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance

    本文證明了任何邊值的dirichlet問題都可轉化為求解電路電壓的問題：給出了計算平面格點上dirichlet問題的5種方法：證明了迭代法和松馳法都是指數收斂的，並分別給出收斂速度的估計；討論了一般電路上的隨機徘徊，驗證了電路與可逆的遍歷markov鏈是一一對應的；給出了電路電壓的概率解釋：當把1伏電壓加於a ， b兩端，使得v _ a = 1 ， v _ b = 0時，則x點的電壓v _ x表示對應的markov鏈中，從x出發，到達b之前到達a的概率；進一步地，給出了逃離概率與有效電阻之間的關系：從a出發，在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。
  3. Synthetically applying abnormal values of magnetism, electric conductivity and high resolution gravity of soil, this paper presents an approach of predicting the prospective oil and gas areas in biyang sag, and good effects have already been obtained

    摘要綜合運用土壤磁性電導率異常結合高精度重力異常，對泌陽凹陷有利含油氣區域進行預測，取得了較好的效果。
  4. Measurements of the electrical conductivity of minerals and rocks from the earth ' s interior provide a powerful tool for probing physical and chemical properties and composition of the deep earth, and help us to interpret magnetotelluric data

    模擬地球內部條件下的礦物、巖石電導率測量是了解地球內部物質組成及物理化學性質的有效手段，同時，還可以為野外大地電磁測量結果的解釋提供依據。
  5. Conductivity is a important chemical quantum. in the method of electrod conductivity measure, the measure electrode behave as a complicated electrochemistry system during measure. the factors that infect the precise measure of conductivity is polarization effect, capacitance effect and temperature

    電導率是一種很重要的化學量。在電極電導率測量法中，測量電極表現為一個復雜的電化學系統，影響電導率準確測量的因素主要有三方面：極化效應、電容效應和溫度。
  6. Then the time constant is computed through the equation set, thus the liquor resistance and conductivity is obtained. and the expression of the conductivity ' s computation is given out. the method is verified by circuit design and establishment of experimental scheme. this method eliminate effectively the effect that the distributed capacitance put on the conductivity measurement

    並推出了電導率求解過程的全部表達式。設計電路，制定實驗方案進行實驗驗證。分析實驗結果表明，該方法有效消除引線分佈電容對電導率測量的影響。
  7. 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。
  8. 3. the distance of metal wire and ground is smaller, the effective permeability leff, quality factor q and resonance frequency srf is also smaller ; the coil turns increases leff will increase, the q value and resonance frequency srf will drop ; the line width increases leff will drop, resonance frequency srf will increase and the q value is nearly invariable ; the via size, the pad layer size and thickness is little effect the effective permeability leff and resonance frequency srf but seriously influence q value

    3金屬導線離地的距離越小，有效電感值leff 、品質因子q 、自諧振頻率srf也越小;線圈圈數增加， leff增加， q值和自諧振頻率srf下降;線寬增加， leff下降自諧振頻率增大q值幾乎不變;通孔大小、覆蓋層的大小及厚度對有效電感值leff和自諧振頻率srf沒有多大影響，但對q值影響較大。
  9. Recent years, the using of piezoelectric sensors becomes a focus in novel biosensors research. the basic principle is that the characters of its oscillation are highly responded with the changes of the surface mass adsorption, or the physic characters in the reaction system including density, viscosity, conductivity and so on. a piezoelectric biosensor with a nanogram sensitivity could be constructed through a reasonable biological processing and structure designing to the piezoelectric quartz crystal

    近年來，壓電傳感器檢測技術逐漸成為生物分析中的研究熱點，其基本原理是利用石英晶體振蕩特性對石英晶體表面質量負載（質量效應）和反應體系物理性狀如密度、粘度、電導率（非質量效應）等的改變具有高度敏感的特性，通過對石英晶體進行適當的生物學處理和結構設計，構建出具有具有ng級檢測能力的生物傳感器。
  10. Ema, assumes the components distributed in highly random fashion, is a useful method to treat the transport properties of granular composites, and the effective conductance of composites could to be derived sell - consistently by substituting the actual enviroment of the studied grain with effective medium

    有效介質理論能夠有效地處理顆粒復合體系的輸運性質。它假設體系中各種組分以顆粒形態隨意分佈，用等效介質替代被研究顆粒外部的介質分佈，並且自洽地求出體系的等效電導率。
  11. The calculation results have shown that when the angles of the center electrode and the grounds decrease, the effective index, the characteristic impedance, and the conductor loss all decrease

    通過計算發現，隨著中間電極角度和地電極角度增加，有效折射率、特徵阻抗同時減小，導體損耗系數也隨之減小。
  12. The results show that the thickness and the width of the electrode, electrode gap and the thickness of upper cladding have different effects on microwave effective index, characteristic and conductor loss. compromising structure must be adopted in practical design to gain perfect performance

    結果表明:電極的厚度和寬度、電極間距以及上包層的厚度對微波有效折射率、特徵阻抗和導體損耗的影響是不同的，在實際設計時應當綜合考慮。
  13. It has been shown by our calculations that conductor loss is greatly reduced under velocity matching with relatively thick coplanar waveguide electrodes and thick buffer layer, but the characteristic impedance can not match with that of the external circuit at the same time, and the modulation bandwidth is confined in this case

    然後，用一般的橢圓積分計算了普通共面波導型調制器的有效折射率、特徵阻抗和導體損耗系數。通過計算發現，採用厚電極和厚緩沖層結構，在實現速度匹配的情況下，可以大大減小導體損耗，但是由於阻抗不能同時滿足匹配，調制帶寬受到限制。
  14. With the introduction of the dopants, the effective mass of carriers was changed and the seebeck coefficient was increased. at the mean time, the dopants reduced the forbidden energy gap, which changed the carrier concentration and thus increased electrical conductivity. by calculating the forbidden energy gap and electrical conductivity of mg2si specimen doped with different amount sb, the mechanism of transference changed abruptly at 625k

    在mg _ 2si熱電材料基體中摻雜te 、 sb元素后，在結構中引入了缺陷，增大了體武漢理工大學博士學位論文系中載流子有效質量，提高了seebeck系數;降低了體系導電活化能，提高了電導率，同時也降低了熱導率。
  15. According to these results, the electronic conductivity, seebeck coefficient, thermal conductivity and figure of merit of materials are computed. the results are consistent with experimental measurements

    根據所求出的有效質量、載流子濃度估算了上述三個模型的電導率、熱導率、 seebeck系數和材料的熱電品質因子，計算結果與實驗測量值的變化趨勢一致。
  16. Then virtual dielectric constant method is adopted to calculate the electric field distribution with floating electrodes, and equivalent conductance rate method is adopted to calculate the electric field distribution with surface filth or local puncture in the insulator, furthermore the value scope of virtual conductance rate and equivalent conductance rate are discussed and some useful results are got. for the solution of vortex loss of silicon steel sheets concerning current transformer, the h solution has also been put forward rather than traditional a ? ( p method in order to reduce calculation load

    採用虛擬介電常數法計算絕緣子存在懸浮導體的電場分佈，採用等效電導率法計算絕緣子存在表面污穢或局部擊穿情況下的電場分佈。對虛擬介電常數和等效電導率的取值范圍進行了討論，得出了一些有用的結論。對于電流互感器硅鋼片渦流損耗的計算，本文提出了不同於傳統的a -方法的h求解辦法，從而大大簡化了計算。
  17. Abstract : spraying chemical controlling matter ( drought - resistant agent ) on wheat blade in medium - late growth period. we found it influenced transpiration rate, water - retaining capacity, containing water content of dry weight, seeping conductive rate, chlorphyll content and so on in different degree, and improved the moisture content stage of wheat, reduced the seeping of electrolyte, have an obvious effect on delaying decrepit and increasing production

    文摘:小麥生育中後期葉面噴施化學調控物質（抗旱劑） ，對蒸騰速率、保水力、干重含水量、外滲電導率和葉綠素含量等均有不同程度的影響，明顯地改善了小麥的水分狀況，降低了電解質的外滲率，有明顯的保綠延緩衰老的作用，增產效果顯著。
  18. ( 2 ) the damping mechanism of multi - energy transitions takes effect when the vgcf content is among the semi - conductive area. when the vgcf content is low ( below 8 % ), the vgcf conductive circuit does not form and the heat loss is quite little. when the vgcf content is higher than 20 %, the transition efficiency between electric energy and heat is limited

    這是由於當vgcf含量太少時（低於8 ） ，復合材料中導電網路還沒有來得及形成，起不到能量損耗的目的；而當vgcf含量太高時（高於20 ） ，電導率太高，復合材料成為電的良導體，電能與熱能之間的轉換效率很低，能量損耗也不高。
  19. An effective electric conductivity model for conductive polymer composites

    導電高分子復合材料的有效電導率模型
  20. The damping behavior of the multi - energy transitions mechanism is obvious only when the vgcf content is among semi - conductive area. ( 3 ) the cpe / pzt / vgcf composites can be presumed as a circuit composed of a resistance and a capacitor, which can successfully explain the phenomenon that multi - energy transitions mechanism takes effect only in the vgcf semi - conductive area

    博士論文:基於多重能量轉換的高性能減振材料的研究（ 3 ）可以將cpe / pzt / vgcf復合材料設計成一個包含電阻和電容的等效迴路，這樣可以很好的解釋在vgcf的半導區間內，復合材料具有較高的電導率時復合材料的壓電導電減振作用更為明顯。
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