最大正變壓 的英文怎麼說

中文拼音 [zuìdàzhēngbiànyā]
最大正變壓 英文
isallobaric maximum
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 壓 : 壓構詞成分。
  1. 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。
  2. This article starts with the following aspects to study and solve the following practical problems, 1 the foundation for vessels to keep away from and withstand typhoon the article briefly introduces typhoon ' s weather characteristics, weather structure, number, naming, forming, development and its law of movement. it also discusses the ways and significance for merchant ships to collect in all - round way the information of typhoon and to make spot forecast, doubts the applicability of " barometric daily change correction table ", and puts forward the author ' s view on the judging ways on the ship ' s location in gale circle. this chapter mainly discusses the process of decision - making and the application of technology, brings forward the concepts of the objective, the policy and the ship disaster plan and disaster supply kit. this chapter also approaches the juristical relationship between master and anti - typhoon team leaders, explains the concrete meassures and the keypoit on technological application, and points out the points to be discussed in sector means of typhoon avoidence

    船舶避抗臺風基礎本文根據最新資料扼要地介紹了臺風的天氣特徵、天氣結構、編號、命名、形成、發展及其活動規律；討論了民用商船全面收集臺風信息和資料作出船舶現場預報的途徑及其重要意義，對「氣壓日變化訂正表」的適用性提出了質疑，並對船舶在臺風大風圈內所處部位的判定方法提出了自己的見解；本文重點論述了船舶避抗臺風的決策過程和技術應用，提出了船舶避抗臺風的目標、方針和船舶「防抗臺應急包」船舶避臺算機標繪的概念門x討了船k勺公司防抗臺領導小組在船舶防抗臺過甜中的法叫』大系， m述了避抗臺風汀仰拙施和技術的應用要點，井指出了「扇形避離法」的位徘商郴之處。
  3. Its interannual variation ' s main period is about 4 ~ 5a and the 7 ~ 8a ' s period exist too ; the interdecadal variation ' s main period of the australian high is about 15a. the interannual variation of australian high ( aah ) has correct correlation with antarctic oscillation and enso, and the enso ' s 4a period has the most important influence on the aah. ( 2 ) when the ah becomes stronger, the members of the whole aamcs are stronger following it. that is to say, in the years that the ah is stronger ( compared to the weak years of ah ) and on the horizontal circulation, the members of aamcs, including the ah, the cross - equator flow ( cef ) between 100 and 160 e, the south china sea south - west monsoom ( ssm ), the south sea monsoon rough, the tropical easily flow, subtropical high ( sh ), the mei - yu front, the mid - latitude effect, become stronger, and their positions are more southward ; in the meridional - right circulation, there are five circulations including classic monsoon meridional - cirle circulation and hadley circulation that become stronger in the strong years of ah than in the weak years of ah

    本文採用ncep ncar再分析月平均的全球海平面氣壓場、高度場、海表溫度場、高雲量和cmap全球降水資料，以及中國160站逐月降水資料，分析了1948 2002年期間澳大利亞高壓（以下簡稱澳高）的年際和年代際變化以及澳高年際變化對亞澳季風環流系統的影響，結果顯示： （ 1 ）澳高存在明顯的年際和年代際變化，澳高年際變化以4 5年的周期變化為主，同時兼有7 8年左右的周期，而澳高的年代際變化則以15年左右的周期變化為主：澳高年際變化同時與南極濤動和enso有正相關，並且enso的4年左右的周期變化對澳高年際變化影響最大。
  4. The most important impact of the human activities on the estuarine dynamics of the modaomen estuary lies in altering the barotropic force, which decreases generally in recent decades

    人類活動對磨刀門河口動力最主要的影響是改變了正壓力項的大小，近幾十年來，磨刀門河口正壓力呈減小的趨勢。
  5. The design and simulation of the circuit, which is designed to drive a power mosfet with a 500v breakdown voltage and maximum ia operation current, is implemented. the circuit can be used as a pre - regulator for electronic ballast. the ic solution also provides a voltage - regulator with the functions such as undervoltage lockout, and overvoltage protection

    設計目的是使電路作為電子鎮流器的前端變換器可以驅動耐壓為500v ，最大工作電流為1a的橫向功率mos ，對整流電路的直流輸出電壓進行穩壓，並實現過壓、欠壓保護，提高用電效率，經過理論分析使經校正後的功率因數達到0 . 95以上。
  6. The asynchronous motor is widely used for its simple construction, ruggedness, high working reliability, relatively low cost, and high environmental adaptability. it is suit for the direction of high voltage, high speed and large capacity. vector control is its ideal speed modulation method. the harmonics of three - level inverter are less than the traditional two - level inverter ’ s, and it is convenient to realize high sinusoidal voltage output. the maximum voltage strength which each electric component bears is small, and it is easy for three - level inverter to realize large capacity. the research on the asynchronous motor vector control based on the three - level inverter is one novel work

    異步電機結構簡單、堅固耐用、運行可靠、成本低、環境適應性強，容易向高壓高速和大容量方向發展，獲得了廣泛應用，矢量控制為其理想的調速方法;三電平逆變器輸出端諧波少，有利於實現輸出電壓的正弦化，且單個開關管承受的最大電壓小，適合向高壓大容量方向發展。對基於三電平逆變器的異步電機調速系統開展矢量控制研究，是一件有意義的工作。
  7. At last, a novel zvs isolated boost converter is presented. this converter is employed the lcd snubber circuits and coupled winding in boost inductance, the switches can realize zero voltage turn off and the surge voltage of switch is low. the principle of this converter is analyzed in detail

    最後深入研究了一種適合於低壓大電流輸入場合的隔離型boost變換器，分析了它的優點和缺點，在此基礎上提出了一種新型隔離型zvsboost變換器，詳細分析了其工作原理，給出了參數設計，模擬和樣機實驗結果驗證了方案的正確性。
  8. Meanwhile, we have gained some achievement. 1. based on error variety of nonlinear control curves of ld output laser power by optoelectronic feedback measured, we take advantage of window pid control algorithm to gain high stability of laser power and reduce error amends at mostly

    1 、基於光電池檢測ld光功率輸出的非線性控制曲線產生的誤差變化，將特性曲線利用軟體的窗口控制演算法實現區域控制，進而有效的對ld工作電流進行pid穩態控制和光功率參數顯示，且激光器的光功率輸出和激光通過分光鏡後送入光電池放大電壓量和單片機通過計算使到誤差修正量達到最小，從而使光功率控制達到最佳效果的變化關系。
  9. It is comprised of a sensor head ( a quadrangular pyramid tip, a base, four quartz crystal plates ) and a network analyzer and an apparatus to apply three - axis force. according to mechanics, four plates of the quadrangular pyramid tip correspondingly receive four one - dimension forces when applying a three - axis force to the sensor head. because quartz crystal has a force - frequency effect, namely, resonance frequency change of the quartz crystal is in direct proportion to one - dimension forces applying to it, four certain resonance frequency changes of the four quartz crystal plates are corresponding to a three - axis force

    當傳感頭受三軸力作用時，根據力學的分析可以確定三軸力與四角錐體四個面上單向力之間的對應關系，用分別貼在四角錐體四個面上的四片壓電石英晶體作為壓敏元件，由於石英晶體的力頻效應（即石英晶體在受到應力作用時，它的諧振頻率與應力大小成正比） ，從而最終確定了四片石英晶體的諧振頻率改變量與傳感頭上所受三軸力大小和方向之間的對應關系。
  10. The original image is divided into non - overlap square domain block collection and range collection, which is fourfold the domain block. to every domain block, the best self - similarity transformation is gained by matching the found best similar range block, the parameters of the gained best domain block ' s transformations are the image compression code. the fourth chapter discusses and implements fractal image compression method based on region partit ion

    在第三章中討論並實現了基於子塊劃分的分形圖象壓縮方法，這種方法將原始圖象劃分為不重疊的正方形值域塊集和四倍大小的正方形定義塊集，對于每一個值域塊，在定義塊集中通過最佳匹配找出最相似的定義塊，通過匹配得到值域塊的最佳自相似變換，對所在值域塊的最佳自相似變換參數編碼實現圖象壓縮。
  11. This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination

    本論文分析了目前常用比例閥的類型、功能、特性，並針對其不足提出新的改進方案，即：以流量放大，電反饋兩個原理為基礎，通過對流量閉環控制及壓力流量復合的計算分析、確定上最小控制壓差及流量控制范圍，確定主閥結構、功能特性研究等，提出了「流量? ?負載壓力變化? ?位移修正」的控制原理和壓力流量雙閉環控制原理，並進一步論述了利用一個比例控制器和一個「電?機械轉換器」就可完成獨立的壓力或流量控制功能以及流量壓力復合控制功能。
  12. And it is indicated that the corrosion residual life of the pressure vessel and pipeline shouldn ' t be calculated with normal distribution model since the coefficients of variation of maximal corrosion depth and corrosion rate are often more than 0. 2

    最後指出最大腐蝕深度和腐蝕速率等參數的變異系數往往大於0 . 2 ，因此不宜用正態分佈模型進行壓力容器與管道耐腐蝕剩餘壽命的計算與分析。
分享友人
分享到 Line

分享到臉書