簡並電子壓力 的英文怎麼說

中文拼音 [jiǎnbàngdiànziyālì]
簡並電子壓力 英文
degenerate electron pressure
  • 簡 : Ⅰ形容詞（簡單） simple; simplified; brief Ⅱ動詞1 （使簡單; 簡化） simplify 2 [書面語] （選擇人才...
  • 並 : 併名詞1. （山西太原的別稱） another name for taiyuan （in shanxi province）2. （姓氏） a surname
  • 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...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 壓 : 壓構詞成分。
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 簡並 : [物理學] degeneracy; degeneration; degenerate
  • 電子 : [物理學] [電學] electron
  1. The electron degenerate pressure does not come from the burning of any nuclear fuel and can therefore support the star from further gravitational contraction forever

    電子簡並壓力並非來自任何核反應所以它能永遠抵抗恆星的引力。
  2. Can stop the star from further collapsing. note : again, neutron degenerate pressure does not come from nuclear burning. it can support a neutron star from further gravitational contraction forever

    則足以防止恆星進一步收縮同電子簡並壓力一樣中子簡並壓力並非來自核子反應它可永遠?抗恆星的引力收縮。
  3. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  4. Electron degenerate pressure

    電子簡並壓力
  5. The paper lays a strong emphasis on discussing the realization of the autocontrol of raster scanning of the scanner in x - y dimension, the " tapping " of the cantilever of the tappingmode afm by a direct digital synthesizer. then a method of parallel communication between dsp and pc in epp mode is given. finally, the author discussed the digital pid closed loop control of the scanner in z - direction, the automatic approaching of the tip using step - motor, and also some electro - magnetic interferences

    論文首先簡單介紹了掃描探針顯微鏡的發展、分類、工作原理及應用；接著對ti公司的tms320vc5402dsp的特點及外圍擴展作了簡單介紹；然後分章節重點講述了利用vc5402dsp實現掃描探針顯微鏡的核心部件? ?壓電陶瓷管的x向和y向的光柵掃描控制；藉助直接數字集成器（ dds ）實現輕敲式原子力顯微鏡的微懸臂的「輕敲」 ； vc5402dsp的主機介面（ hpi ）與pc機在增強并行口（ epp ）模式下的通信；論文最後還介紹了掃描管z向的數字pid閉環控制，步進電機的自動進針，並對實際出現的一些電磁干擾問題作了討論。
  6. Power fast recovery diode, which is abbreviated to frd, is one of the key devices in modern power electronic technology. in the power electronic circuits, frd is usually parallel connected with three - end power devices as their freewheeling diode

    高壓功率快恢復二極體（以下簡稱frd ）廣泛地應用於電力電子電路中，作為續流二極體與三端功率器件並聯使用，是現代電力電子技術中的關鍵器件。
  7. Stops it from further contracting. an extremely simplified, but not totally correct, picture is that the electron degenerate pressure develops when the electrons are touching each others

    雖然過于簡略和不準確，但電子簡並壓力可勉強看成是來自電子擠至互相觸碰時所造成的抵抗力成為了抵抗恆星進一步塌縮的主要力量。
  8. If the mass of the core after a supernova explosion is more than 1. 4 but less than about 3 solar masses, then electron degenerate pressure is not strong enough to support the star. the star will contract to a size even smaller than the white dwarf. the electrons are squeezed into the nuclei and are combined with the protons to form neutrons

    假若在超新星爆發后，剩餘核心質量介乎太陽質量的1 . 4至3倍，那麼核心中的電子簡並壓力便再不足以抵抗強大的引力，恆星會進一步收縮，直至電子亦被擠壓至原子核內，和質子結合成為中子。
  9. In the end, the paper summarizes the design and development methodlogy of the sjdy - i electronic pressure meter and points out the future work

    本文結尾總結了sjdy -型電子壓力計的設計與開發，並就下一步的開發方向和開發前景作了簡要的展望。
  10. Firstly, the paper discusses well logging technology and the development of the domestic and foreign pressure meters, then proposes the sytem scheme design of sjdy - i electronic pressure meter and briefly analyzes its operating principle. secondly, the paper explains in detail the software and hardware design method, presents the design thought and flow charts of every function modules. thirdly, the paper analyzes the pc program, introduces software which adopts the filter and nonlinear regression methods for improve the system precision

    本文首先在介紹了試井技術和目前國內外壓力計的發展狀況的基礎上，進行了sjdy -型存儲式深井電子壓力計系統總體方案設計，並對該系統的工作原理進行了簡要的分析；然後，闡述了sjdy -型存儲式深井電子壓力計井下儀器部分的軟硬體設計思想和設計目標，詳細介紹了整個系統的硬體組成部分，並給出了單片機系統（即井下儀器部分）軟體的設計思想和各個功能模塊的流程；接著，重點分析了sjdy -型存儲式深井電子壓力計的上位機程序以及各個模塊的具體功能，並設計了相應的軟體予以實現；最後採用濾波技術和非線性校正方法，來提高整個系統精度。
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