electric axis 中文意思是什麼
electric axis
解釋
電軸-
When we applied electric field, the the oritation of liquid crystal molecule axis reset. it induced the roate of optic axis. at last, the birefringence will change. this is the voltage - dependent birefringence of liquid
例如當對液晶施加電場時，液晶分子軸的排列會變化，從而引起液晶光軸的轉動，最終導致了液晶雙折射率的變化，這就是我們所說的液晶電控雙折射特性。 -
The product of electric furnace fittings including : micro - computer program temperature control instrument 、 refractory brick ( ultra - light weight energy saving brick ) 、 resistance wire 、 electroheat belts 、 electrical heat tube 、 silicon carbide rod 、 furnace bottom plate 、 muffle tank 、 vacuum sealed fan 、 wind wheel 、 axis 、 substructure 、 bin seat 、 flat shape plate 、 box 、 panel 、 weatherstrip plate 、 return air plate 、 bin 、 connection box 、 educe rod 、 thermocouple 、 thyristor 、 porcelain pipe 、 crucible 、 furnace chamber 、 furnace frame 、 charging bin 、 substructure 、 pit furnace cover lifter framework ( sole design ) and otherwise
電爐配件產品包括：微電腦程序控溫儀、耐火磚（超輕質節能磚） 、電阻絲、電阻帶、電熱管、硅碳棒、爐底板、馬弗罐、真空密封風機、風葉、軸、底座、料筐座、扁形板、箱體、面板、擋風板、回風板、料筐、爐柵、接線盒、引出棒、熱電偶、可控硅、瓷管、坩堝、爐膛、爐門、爐框、裝料筐、底座、井式爐蓋升降機構（獨家設計）等。 -
Abstract : a new type cold frame is intruduced. the deformation of unsymmetry section steel after cooling is mainly eliminated by reversely curring it on line, ensuring the achievement of automation of meticulous repair. at the same time the disposing principle of equilibrium weight on the driving axis of cold frame drived by eccentric wheel was improved. the torsional moment of transmission shaft and power of electric motor are reduced by the method
文摘:介紹了一種新型冷床，通過在線對非對稱型鋼進行反向彎曲，基本上消除了非對稱型鋼冷卻后的變形，保證了精整工序自動化的實現.同時，提出了偏心輪驅動的冷床驅動軸上平衡重的配置原則.此方法可降低傳動軸上所受的扭矩，減少了電動機的功率 -
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。 -
In this paper, it ' s mainly discussed the electric turbine driving equipment needed by the 400 mw hydraulic power generators of the li - jia mountain to carry out the axis modifying when its checking and repairing
本文重點討論李家峽40萬kw水輪發電機組檢修安裝所需進行軸線調整用電動盤車裝置。 -
Series solution of electric field intensity on perpendicular axis of elliptic charged ring
橢圓形帶電環垂直軸上的電場強度級數解 -
Based on this, the optimum operating mode of ln anisotropic one - dimension aeo device is determined as : light promulgates along z axis, ultrasonic wave promulgates along x axis, and direct current electric field is loaded along y axis
經過計算，一維鈮酸鋰反常聲電光器件的最優化工作模式為:光沿著z軸方向，直流電場沿y方向，超聲波為沿著x軸方向的快切變波模式。 -
The optimum operating mode of kdp two - dimension aeo device is : the light promulgates along z axis, direct current electric field is loaded along z axis too, a pair of slow wave promulgates in xoy plane, which are vertical to each other
二維kdp聲電光器件最優化工作模式為:光和電場方向沿z軸方向，聲波採用xoy平面內兩個相互垂直的慢波，其中正常器件為縱波、反常器件為切變波。 -
It shows that when wave propagates along axis direction, the displacements of radial, axis direction and the change of electric field are coupling each other, and there is dispersing phenomenon, and the displacement of circle direction can figure out independently, it has not dispersing phenomenon
發現當波沿著圓柱殼體軸向傳播時，物質的徑向運動軸向運動和電勢的變化相互耦合，伴有頻散現象但是扭轉運動可以獨立表示，並且同電場無關，無頻散現象。 -
Currently, cylinder2 - 1 / 2d includes boundary conditions for the electric and magnetic fields at the surface of ideal conductors, the cylindrical axis, the incoming wave ports. a new and simple model for explosion electron emission from cathode surfaces is described
程序中實現了多種邊界條件，如良導體、對稱軸、入射波等，詳細地介紹了陰極表面爆炸發射電子的演算法處理和程序實現。 -
The researches of this paper are very important and significative job to improve precision of servo - control system of three axis optical tracking test table even all type of electric simulator tables. this paper expounds the structure of simulator
本論文的研究對于提高三軸光學跟蹤試驗轉臺以至於所有電動模擬轉臺的伺服控制系統的精度來說，是一項十分重要和有意義的工作。 -
In the testing, we experiment on a plate with a circle hole ( 2 - dimention ) and a ladder axis with arc transiting ( 3 - dimention ), and compare the former to the result measured by moire method and the later to an aluminum axis with similarity of geometric structure by electric measure method. the results are closed to these of corresponding references. sequentially, it is proved that the theory is reasonable and the method is feasible
在算例方面，論文分別採用光彈性法和電測法對帶中心圓孔無限寬板的平面問題和圓階梯軸的三維問題進行了驗證，並將分析結果與相關文獻進行比較，得到了一致的結果，從而驗證了理論分析的合理性及本方法的正確性。
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