電壓上升率 的英文怎麼說

中文拼音 [diànyāshàngshēnglǜ]
電壓上升率 英文
rate of voltage rise
  • 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...
  • 壓 : 壓構詞成分。
  • 上 : 上名詞[語言學] （指上聲） falling-rising tone
  • 升 : Ⅰ動詞1 （由低往高移動） rise; hoist; go up; ascend 2 （等級提高） promote Ⅱ量詞1 （容量單位） lit...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 電壓 : voltage; electric tension; electric voltage
  1. The macvhine bdars such functions as glue smearing, heat pressing and paper cutting. upper pressure roller is electrically driven, enabling continouus and easy operation. the machine creates smooth adhesive surfaces without wrinkles with high qualified - product rate. it is ideal for small manufacturers of furmiture of bafflers

    本機集中塗膠、熱壓、切紙於一體，採用電動升降上壓輥，連續作業，易操作、貼紙平服、不起皺、正品率高等優點，是小規模辦廠或傢具廠、音響廠、禮品盒廠使用的理想設備。
  2. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析，變頻器輸出的電壓波形諧波大，沖擊大，電壓上升率高達6600v / s ，是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低，額定頻率在8 - 20hz ;調速范圍寬，最低運行頻率低到0 . 5hz ，起動次數相當頻繁，每小時高達600 - 800次，沖擊負荷大，過載能力要求較高。
  3. Legislator eric li, convenor of the breakfast group and representative of the accounting sector in the legco, warned that the linked exchange rate would be under pressure in the next five years. moreover, the recent rise in the long - dated forwards was a signal of banks hedging their risks on hong kong assets. if the budget deficit continued and the fiscal reserves kept decreasing, the long - term pressure on the hong kong dollar would become short term

    早餐派召集人、代表會計界的議員李家祥（見圖）警告，這5年內聯系匯率會有壓力，而最近遠期美電扯高，是銀行把資產轉移以避險的訊號，若果香港財赤繼續，儲備不斷下降未能止血，港元的壓力便會由遠期變成近期，到時不單令信貸評級上升，令投資成本增加外，更令港元成狙擊對象。
  4. The temperature range is - 30 ~ 80. the topology of the step - up dc / dc converters and its basic principle is first analyzed in this thesis. then based on the conventional pfm control scheme, a discrete pulse frequency modulation is presented and the state space average model related to the ccm ( continue current mode ) and dcm is established

    然後在傳統的脈沖頻率調制方式的基礎上，分析了一種離散脈沖頻率調制方式，並建立了這種調制方式下升壓型dc / dc變換器在電流連續（ ccm ）工作模式和電流斷續（ dcm ）工作模式的狀態空間平均模型。
  5. With the advance of semiconductor manufacturing, circuits with increasingly higher speed are being integrated at an increasingly higher density, which makes analysis and verification of power grid integrity more important. power grid integrity includes four issues, namely, ir drop analysis, ground bounce analysis, ldi / dt from the pin inductance and em analysis

    隨著超大規模集成電路集成度和工作頻率的不斷提高，電源網格完整性分析變得越來越重要，一般有四個關鍵問題： ir電壓降分析、接地點電勢上升（ groundbounce ）分析、來自引腳電感的ldi / dt分析和電子遷移率em分析。
  6. Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet

    基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析，對所得結果從器件內部物理機制上進行了討論，最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深（凹槽深度）的增大，槽柵器件的閾值電壓升高，亞閾斜率退化，漏極驅動能力減弱，器件短溝道效應的抑制更為有效，抗熱載流子性能的提高較大，且器件的漏極驅動能力的退化要比改變結深小.因此，改變槽深加大負結深更有利於器件性能的提高
  7. The result shows that, when the full - bridge power converter is joined with boost / buck dc chopper in parallel, it can serve a dc voltage of over 340v and a power of 800w, meanwhile, as output voltage of the fuel cells changes due to loadings, the sliding - mode controller can cause more rapid responses and robustness to the dc bus voltage source

    實驗結果顯示，本論文之全橋式功率轉換器與升壓/降壓直流截波器並聯供電時，輸出電壓可達340v以上，輸出功率約為800w ，同時，當燃料電池之輸出電壓因負載而改變時，本論文所提出之滑動模式控制器能使直流鏈電壓具有較快速的響應及強健性。
  8. In this circuit, reference current sources are used to charge and discharge capacitors. this oscillator ’ s output is very ideal through control circuit under 5. 7v reference voltage, and oscillator ’ s frequency and duty - cycle could be adjusted if reference current source or capacitors in the circuit was adjusted. and the changes of temperature and voltage affect stabilize of the frequency little

    此電路利用系統內部基準源產生的電流信號來對電容進行充放電，然後經過控制電路作用后，產生的輸出振蕩波形的上升時間和下降時間非常小，更接近理想矩形波形;通過調節基準源電流信號或者電容值大小，可調節振蕩波形的頻率和占空比，同時溫度和電壓的變化對振蕩器輸出波形頻率穩定度的影響很小。
  9. Practice for performing temperature rise tests on oil - immersed power transformers at loads beyond nameplate ratings

    超過銘牌功率荷載下在油浸式電力變壓器上進行溫升試驗的實施規程
  10. The films prepared under 425 ? is composed with amorphous snoi and its sheet resistance is very high. with the substrate temperature ' s increasing, the degree of crystallization, film thickness increase and electrical resistivity, sheet resistance decrease obviously. when the substrate temperature is higher than 525 ?, the temperature ' s increasing is not of benefit to the films thickness and sheet resistance

    常壓熱分解cvd法制備的sno _ 2在較低基板溫度下制備出的薄膜基本上是非晶態的，方塊電阻很高；隨著基板溫度的升高，薄膜厚度增加，薄膜結晶程度提高，薄膜電阻率和方塊電阻均顯著降低；當基板溫度高於525以後，隨著基板溫度的升高，薄膜厚度基本不再明顯增加，薄膜結晶程度繼續提高，薄膜電阻率繼續降低，方塊電阻不再明顯降低。
  11. In this thesis, an evolutional waveform in sustain period by combining the ramp - type sustain pulse with the auxiliary pulse on address electrode is proposed to improve the luminous efficiency in plasma display panel

    摘要:本論文提出在電漿顯示器每一個子圖場的維持時段中，利用斜緩維持波形以及在寫入電極上加入輔助電壓方波的方法，提升電漿顯示器發光效率的新驅動波形。
  12. In the research and preparation procedure, it probes into electric field dynamic impedance variation rules, summarizing a set of sparks critical point discrimination methods in solving the key to detect electric field less - spark technology and realizing the less - sparks operation controlling function under impending arcover voltage, putting forward and realizing constant spark rate operation mode, in fiashover treatment adopting method of small descending amplitude, speedy picking up speed, and unlocking silicon controlled rectifier

    在研製過程中探索了電場動態阻抗變化規律，總結出一套識別火花臨界點的方法，解決了探測電場少火花的技術關鍵，實現了逼近擊穿電壓下少火花運行控制功能，提出和實現了恆定火花率運行方式，在閃絡處理上採取下降幅度小、回升速度快、不封鎖可控硅的方法。
  13. Based on the detailed analysis of the principle of single - phase active pfc, the high power active pfc circuit is designed, and the method of designing boost inductor is also given in the paper. a high power phase - shifted - control soft - switching full - bridge converter is designed, and the condition of achieving zvs ( zero voltage switching ) is studied in detail

    論文在詳細分析和研究單相有源功率因數校正原理的基礎上，設計出大功率有源功率因數校正電路，並給出電路中升壓電感的設計方法；設計出了大功率移相控制全橋軟開關pwmdc dc變換器，詳細的研究了實現zvs的條件。
  14. Four arrays of apparent resistivity are arranged at this measuring surface of granite sample symmetrically with symmetrical four - electrode method, and at an angle of 45 between any two adjacent arrays. the elastic constraint is exerted on 4 surfaces for parallel to the longest dimension of the sample. the samples are compressed along the direction parallel to the longest dimension of the cubic, and the variation of apparent resistivity during the whole loading process is observed

    在花崗巖標本測量面上，布設4條夾角互為45的視電阻率測線，將標本平行長軸方向的4個面加上彈性約束，沿標本長軸方向加壓，測量標本視電阻率隨軸向應力的變化，實驗結果為： 1巖石視電阻率變化形態顯上升-平穩-下降形態，但平穩段不明顯，時間很短2視電阻率開始下降時間，比其他受力方式實驗結果都早，約提前10 %破裂應力。
  15. In order to drive a high impedance load such as hpm sources, it is necessary to commutate fcg ' s long pulse width, high - current and low voltage pulse to a short pulse with high voltage

    為用fcg驅動象hpm源這樣較高阻抗的負載，必須使用脈沖功率調制電路把fcg產生的低電壓、大電流、上升時間長的電壓脈沖轉化為高電壓、上升時間短的脈沖。
  16. As far as the choice of the 1c is concerned, the pfc and pwm controller combo that is popular at the present time is chosen, because it can simplify designs and being synchronized trigger mode adopted, it can make peak to peak ripple voltage much small even on the condition of small capacitance

    在功率因數校正晶元的選擇上，選用了國際上比較流行的pfc pwm復合晶元，這種晶元不僅可以簡化設計，而且由於採用上升沿下降沿觸發方式，在輸出濾波電容很小的情況下依然可以得到很小的電壓紋波。
  17. Based on the summary of the fruits of the research of the active power factor correction, the pfc system, which adopts cuk power converter circuit and average current mode control scheme, is well studied in this thesis

    本文在總結有關有源功率因數校正研究成果的基礎上，針對目前研究的熱點及其發展方向，對單相有源功率因數校正技術作了較為深入的探討，並提出了將升壓型平均電流控制的功率因數校正思想用於cuk型電路拓撲。
  18. Voltage build - up rate

    電壓上升率
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