正電阻 的英文怎麼說

中文拼音 [zhēngdiànzǔ]
正電阻 英文
positive resistance
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 電阻 : （物質阻礙電流通過的性質） resistance; electric resistance （電路中兩點間在一定壓力下決定電流強度...
  1. Taking the silicon diode as an example, through an analysis of the diode ' s current - voltage characters and the avometer circuit, the writer finds out the reasons for the differences in the amount when measuring the positive direct current equivalent resistance with different ohm grades

    摘要以硅二極體為例，從二極體的伏安特性及萬用表內部電路的角度，分析了用指針式萬用表的不同歐姆檔位測量二極體的正向直流等效電阻時，其值緣何不同。
  2. Bismuth ruthenate and silver were selected as conductor phases and the mixture of calcium oxide - alumina - silicon dioxide ( cao - al _ 2o _ 3 - sio _ 2 ) glass and lead oxide - boron oxide - silicon dioxide ( pbo - b _ 2o _ 3 - sio _ 2 ) glass was selected as inorganic binder phases. it was found that, with the increasing of volume fraction of silver and conductor phase, sheet resistivities descend and there are critical thresholds

    實驗發現，隨著功能相百分含量的增加，電阻膜層的方阻值逐漸減小，存在兩個臨界閾值，電阻溫度系數偏向正值;功能相中銀百分含量增加，膜層的方阻值逐漸減小，有一個臨界閾值，電阻溫度系數偏向正值。
  3. 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。
  4. The results of 2 - d resistivity inversion of the yishui - tangtou and the liujazhuang faults indicate that electrical structures on both sides of the fault zone present obvious difference, the resistivity of the hanging wall is low and partially high, while that of the foot wall is high, and the faults are high - obliquity faults

    沂水湯頭斷裂、劉家莊斷裂的二維電阻率反演結果表明，斷裂帶兩側的電性結構呈現出整體性的差異，正斷層的上盤為低阻區和局部高、低阻擾動區；而斷層下盤多為均勻的高阻區；斷層為高角度斷層。
  5. In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes, the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0. 6, 1. 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal. in not adding - acid system : the resistivities of different lithotypes ' cp decline evenly ; it is found on the crossed experiment of cp, that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp. according to the result of the crossed experiment of cp

    在有外加酸體系中：苯胺百分含量大於50時，不同煤巖組分的電阻率趨于恆定和一致；由於不同煤巖組分結構上的差異，導致苯胺聚合場所和聚合過程的不同；當過硫酸銨/苯胺摩爾比為0 . 6 ， 1 . 0時，鏡煤-聚苯胺導電材料電阻率和絲炭-聚苯胺導電材料的電阻率分別達到最低值；在無外加酸體系中：不同煤巖組分/聚苯胺導電材料的電阻率隨著聚合時間的增加而均勻下降，並在8小時左右達到恆定；在對絲炭-聚苯胺導電材料進行的正交試驗中發現：過硫酸銨/苯胺摩爾比對產率的影響最大，苯胺重量百分比對產率影響最小，而對產物電阻率影響最大的是苯胺重量百分比。
  6. And that the bias - magnetic is direct ratio with relative v - s difference, and is inverse ratio with circuit resistance

    得出偏磁大小與相對伏秒差成正比，與迴路電阻成反比。
  7. The mine lies in the band of positive magnetism abnormity, gravitation abnormity, steepness of mohole and ni ~ co geochemistry abnormity. it has geophysical features ; those are great gravity, great magnetic force, great polarization and low resistance

    含礦巖體位於正磁異常帶、重力高異常、莫霍面的陡度帶和ni - co地球化學異常帶上，並顯示重力高、磁力高、極化率高和電阻率低「三高一低」的地球物理特徵。
  8. Abstract : a 16 - channel temperature detection apparatus with platinic resistance is presented. the method of the down - lead elimination of the platinic resistance and nonlinear correction with positive feedback are discussed

    文摘:介紹了一種經濟實用的16通道鉑熱電阻測溫巡檢顯示儀，並論述了鉑熱電阻的引線消除和用正反饋實現非線性校正的方法。
  9. Study of positron lifetime spectrum in zno varistor doped with tio

    壓敏電阻正電子壽命譜研究
  10. Just as the kilometer is the unit of length, so the ohm is the practical unit of resistance

    正象公里是長度的單位那樣，歐姆就是電阻的實際單位。
  11. Power mosfets on - resistance will have a - ve temp coef and not + ve at low current levels. this is important to remember when paralleling devices

    功率mosfets導通電阻有負溫度系數，小電流時有正系數。當並聯這些器件的時候記住以上很重要。
  12. High water cut stage ; formation water resistivity ; spontaneous potential ; electrofiltration potential ; correction

    高含水期地層水電阻率自然電位過濾電位校正
  13. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  14. 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。
  15. Thermistors directly heated positive step - function temperature coefficient part 1 - 3 : blank detail specification inrush current application assessment level ez

    直熱式階躍型正溫度系數熱敏電阻器第1 - 3部分:浪涌電流用空白詳細規范評定水平ez
  16. Thermistors - directly heated positive step - function temperature coefficient - part 1 - 3 : blank detail specification : inrush current application - assessment level ez

    熱敏電阻器.直熱式突變型正溫度系數.第1 - 3部分:空白詳細規范:起動電流應用.評估級別ez
  17. Thermistors - directly heated positive step - function temperature coefficient - part 1 - 3 : blank detail specification ; inrush current application ; assessment level ez iec 60738 - 1 - 3 : 1998 ; german version en 60738 - 1 - 3 : 1999

    熱敏電阻.直熱式正階躍函數溫度系數.第1 - 3部分:空白
  18. We adopt the positive temperature coefficient real core resistance wire as the heating body and xlpe insulator as the inner core to make the heating cable with pvc coating outside or hdpe sheath. metal screen heating cable has earth conductor and aluminum screen layer or copper web screen layer. the product has advanced tie - in technology and it is safe, reliable and convenience for operation. the performance indexes meet iec800 standard. 3. technology indexes

    本公司生產的發熱電纜採用正溫度系數實芯電阻線發熱體，內芯採用xlpe絕緣，外包覆pvc或hdpe護套，屏蔽發熱電纜具有接地導線和鋁殼屏蔽層或銅網屏蔽層採用先進的接頭工藝，施工安全可靠方便性能指標符合iec800標準要求。
  19. The temperature rises and the dc voltage are proportional to the power dissipated, which is equal to the power of the source being measured if the input impedance is suitably matched to the source impedance

    熱偶冷熱結之間的溫度差和熱電勢均正比于耗散在ta2n電阻上的微波功率，如果熱偶的工作電阻與同軸傳輸系統電阻匹配適當，該功率就等於被測源的功率。
  20. Positive temperature coefficient thermistors

    正溫度系數熱敏電阻器
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