voltage contrast 中文意思是什麼
voltage contrast
解釋
電壓差別-
This normally black display mode exhibits an excellent contrast ratio, achromatic light transmission, high brightness, low operation voltage and wide viewing angle on the director of parallel and vertical
研究發現該常黑型顯示模式具有很高的對比度、幾乎無色散、高亮度、較低工作電壓和在水平和垂直方向具有寬視角等特點。 -
The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply
交流勵磁發電機的基本結構與繞線式異步電機相同，其定子側接電網，轉子上採用三相對稱分佈的勵磁繞組，由變頻器提供對稱交流電勵磁，且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制，從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速，使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力，性能超越傳統同步發電機和感應發電機，因而有著廣闊的應用前景。 -
In evidence, the author first give a international comparison, with the " la terza italia " contrast to the zhejiang industries as a source of inspiration, then, through two more representative industrial clusters, liu - shi low voltage electrical industries and shaoxing chinese textile city, analysis is given by the industry clusters and routing recommendations with a view to providing practical advise
在實證方面，筆者首先進行了國際比較，通過與「第三義大利」的對比，來作為浙江產業群的借鑒，然後，通過對兩個比較有代表性的產業群? ?柳市低壓電器產業群和紹興中國輕紡城的分析，給出了產業群的升級路徑選擇的建議，以期對實踐提供參考。 -
The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time
Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。 -
In contrast to pulsed discharge without preionization, the working voltage of the laser falls about 20 % and the electro - optical efficiency is improved approximately 30 %
和無預電離的脈沖放電相比，激光器的工作電壓下降了大約20 ，電光轉換效率提高了大約30 。 -
By contrast with traditional voltage transformer, it has advantages of smaller volume, lighter weight, simpler structure, wider range of frequency, and no resonance. only one can fulfill both functions of measurement and protection
與傳統的電磁式互感器相比，具有體積小，重量輕，結構簡單，傳輸頻帶寬，無諧振點等優點，一個分壓器就能滿足測量和保護的要求。 -
The application of voltage contrast image of the sem in failure analysis
掃描電鏡電壓襯度像方法在失效分析中的應用 -
This paper analyses, compares and researches the measurement of solar array deeply. the system takes advantage of a new measurement of solar array that samples the signal of voltage and current continually during charging capacitor by solar array to redraw the i - v characteristic of solar array. this method can test the i - v characteristic of solar array conveniently and quickly in contrast with the traditional method
針對太陽電池陣列的測試方法，本文進行了詳細的分析比較和探討，系統採用一種新型的電容動態充電方式對太陽電池陣列進行特性測試，該方法是通過檢測太陽電池陣列對電容的充電過程中電流、電壓的變化數據，重現光伏陣列的i - v特性，採用這種方式可以快速而方便的測量太陽電池陣列的i - v特性，具有體積小、重量輕等特點，克服了傳統現場測試方法的弊端。
分享友人