負電阻區 的英文怎麼說

中文拼音 [fùdiànzǔqū]
負電阻區 英文
negative resistance region
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 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
  • 區 : 區名詞（姓氏） a surname
  • 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. Experimentally, an interesting six - route ndr characteristic, resulting from the form of split miniband structures and the extension of high - field domain in the superlattice, is observed at room temperature

    實驗的結果顯示，由於此分?迷你帶結構及超晶格結構中高場區域的擴展，于常溫下可觀察出?道軌跡之多重負微分電阻特性。
  2. For the requirement of more negative differential resistance ( ndr ) routes, three split quantized energies are formed in the four - period inp / ingaas superlattice structure with relatively thin ingaas quantum wells under ideal flat - band condition, and high - field domain in the superlattice is formed under sufficiently large operation bias

    為獲得?多軌跡的負微分電阻，本研究組件使用?相當薄之砷化銦鎵?子井，可使四周期磷化銦/砷化銦鎵超晶格結構在平帶情況下形成三個分?的?子化能階，且於足夠大的操作偏壓下在該超晶格結構中形成?高場區域。
  3. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  4. Static removal lonizing air gun / hs static removal lon - izing air nozzle lonizing air gun / nozzle is a kid of effective static removing instrument, which swiftly blows the great deal of cation and anion occurred in the ion occurring in - strument with high pressure airflow to the area to be re - moved the static, neutralizes the static charge clooecting in the object, at the same time, high speed ion airflow blows off the dust attracted by static, and prevents it to attract dust again

    離子風槍/風嘴是一種高效的靜電消除裝置，通過高壓氣流將離子發生裝置所產生的大量正負離子迅速吹向所要除靜電的區域，中和物體上所積累的靜電電荷，同時，高速離子氣流將靜電吸引的塵粒吹除，並阻止其再次吸收塵埃粒子。
  5. In the deregulated power market ， the power grid operator is facing many uncertainty and risks risk concept ， risk analysis approach and risk management are introduced in chapter ii ， the maj or risks of grid operators is analyzed and evaluated in details based on the real situation and data of yueyang city, hunan province ， the economic risk resulting from the uncertainty of load prediction of whole system ， generation capacity and parallel quantity of the large enterprises self - owned power plant are analyzed meanwhile ， the increase of large enterprises self - owned power plant may cause economic and security risks considering different risk ， the qualitmive and quantitative approaches are respectively adopted the direct and indirect congestion risks are evaluated based on probabilistic theory and decision theory the retail pricing and trade modes are major areas embracing risks as well chapter iii divides the risks in internal and external ones based on the characteristics of risk and put forward the layered risk management approach

    詳細分析和論述了電網經營企業面臨的各種風險。基於湖南省岳陽地區電力市場的實際情況和多年歷史數據，採用定性分析和定量計算的手段具體分析了負荷、自備電廠發電量和上網電量預測不確定性以及自備電廠的大量增加給電網企業帶來的經濟性風險和安全性風險。無論是長期還是短期，阻塞不僅會對電網造成直接風險，還可能造成間接風險。
  6. In the experiment we also observed negative differential resistance characteristics of gesi hbts with heavily doped base at high collector - emitter voltage and high current. a new interpretation to this phenomenon was given. this

    在實驗中我們還觀察到，在高vce和大電流下，重摻雜基區gesihbt出現負阻現象，我們對這一現象進行了新的解釋，認為這是由熱電負反饋導致的。
  7. However, when the applied bias voltage is located within negative slope regions of u - i curve, the superlattice will undergo a very fast dynamic process, changing from one stable state to another stable state. the superlattice exhibits temporal current oscillations in the negative differential conductivity region at fixed d. c

    當外加電壓使電流處于正微分電導區變動時，超晶格的高低電場疇之間的疇邊界不發生移動，只是相應的電場強度作些調整；當外加電壓使電流處于負阻區域時，超晶格將經歷一個穩態到另外一個穩態的動力學轉變。
  8. In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed

    第五章：提出了一種新的既具有電壓共模負反饋又同時具有電流共模負反饋的全差分運算放大器電路，能較好地穩定電路的靜態工作點，並應用mos管工作在線性區可作有源可變電阻用的特性設計得到了截止頻率可連續調節的高性能r - mosfet - c 、運放結構切比雪夫（ chebyshev ）和精確群時延值貝塞爾（ bessel ）低通濾波器。
  9. From the scanning electron microscope ( sem ) images, the higher the heat treatment temperature is, the larger the grain size is. the magnetization of samples treated at 1273k is larger than that of samples treated at 1073k ; 3. with the increasing of nife _ ( 2 ) o _ ( 4 ) contents, the resistivity of composite samples nd _ ( 0. 67 ) sr _ ( 0. 33 ) mno _ ( 3 ) / nife _ ( 2 ) o _ ( 4 ) is 1073k

    值得注意的是，在這一溫區中，這種復合樣品的磁電阻是負的，即給樣品加磁場后，樣品的電阻率反而增大，與純nd067sro33mno3樣品的磁電阻性能恰好相反，其機制有待進一步研究; 4 .隨著s :含量的減小， （ ndl一srxmno3 ） 。
  10. For the sample with the content of fe2o3 is 9 %, the maximum mr value of the composition ( lao9sroimno3 ) o9i ( fe2o3 ) oo9 increased in the negative direction, and get the maximum - 7 % at 337k ; with the content of feio increased, the mr of the composition increased also, when the content of fe2o3 is 17 %, the maximum mr value of the composition ( lao. gsro imno3 ) o. 83 ( feio o. n can reach - 30 % at 338k, where applied magnetic field is 1. 5t

    含量為9的樣品，樣品的磁電阻值在238k時隨溫度的升高而逐漸向負的方向增大，在337k時達到極值7 ；對于fe 。 oz含量為門的樣品，樣品的磁電阻值在265k時隨溫度的升高而逐漸增大，兩種不同比例的復合體系都在很寬的溫區內表現出較大的磁電阻，尤其後者，在1 st外場作用下， 338k時mr達到極值30 。
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