main steam 中文意思是什麼

main steam 解釋
主蒸汽
  • main : adj 1 主要的，主，全，總。2 充分的，盡量的；全力的，有力的。n 1 體力，氣力；力〈僅用於 with might...
  • steam : n 1 蒸汽，水蒸氣，水氣，霧，蒸氣壓力。2 〈口語〉精神，精力，氣力；怒氣。3 輪船，乘輪船旅行。vi 1 ...
  1. Main feed lines, main steam lines, shafting, and boiler brickwork within the ship are especially sensitive to shock.

    船內的主要燃料系統蒸汽系統、軸系以及汽鍋裝置等對沖擊波特別敏感。
  2. Simulations of the main steam temperature control in power plants show that the controller performs well

    火電廠主汽溫控制的模擬結果表明了這種控制器具有良好的控制性能。
  3. In main steam pressure system, it is realized and a satisfied control result is got

    在主汽壓力控制系統中，取得了令人滿意的效果。
  4. Stair - like generalized predictive control for main - steam pressure of boilers in a fire power plant

    火電廠鍋爐主蒸汽壓力的階梯式廣義預測控制
  5. The # 9 and # 10 142mw heat supply units in gansu xigu power plant, the steam extraction main pipe system adopt westation control system of westing house company and deb coordination control policy in design. the coordination control policy successfully expand the whole the running range, from the normal running condition to abnormity running condition and start or stop condition, which simplicity base on burthen and main steam pressure coordination control

    甘肅西固熱電廠# 9 、 # 10142mw抽汽母管制供熱機組，選用美國西屋公司westation控制系統，設計、應用了deb協調控制策略，從單純作為負荷和主蒸汽壓力控制協調的基本功能，成功擴展到整個運行范圍，即從正常運行工況到異常運行工況及啟、停工況。
  6. The main steam pressure control system, bed temperature measure system, bed temperature adjust system and action condition of ham fuel trip ( mft ) are analyzed

    對主蒸汽壓力控制系統、床溫側量系統、床溫校正系統和主燃料跳閘的動作條件進行了詳細的分析。
  7. The turbine backpressure is measured by the pressure transmitters ind25. gcw. 00 pt400 on the main steam duct

    汽機背壓由主蒸汽管道上的壓力變送器ind25 . gcw . 00pt400測量。
  8. Primary analysis on main steam temperature automatic renovation

    火電廠主汽溫自動整治淺析
  9. Combined with the actual condition of the plant simulator, this paper analyzes the native and abroad development of the simulation device. the main content is followed : introducing the characteristics and managing specialties of the simulator project in detail ; introducing the simulation object, describing the hardware, software structure and functions of the simulation object ; describing the exploitation process and mathematic model of the main steam, reheater, by - pass system, regenerative heater extraction, deareator, pipes, network system and pumps

    本文分析了國內外模擬培訓裝置的發展狀態，並結合本廠模擬機開發的實際情況，其主要工作如下：詳細介紹了模擬機開發項目的特占和管理特殊性；介紹了模擬對象和所開發模擬機的硬體結構、軟體結構，以及它的功能；詳細介紹了作者參加開發的汽機系統的主蒸汽、再熱蒸汽和旁路系統，回熱抽氣和除氧系統，以及管道、管網和泵等模型的開發過程和數學模型。
  10. The interaction between tv broadcasting and main - steam culture

    電視傳播與主流文化的互動
  11. By detailedly analyzing the control problem caused by the time - delayed characteristic of main - steam temperature, the fact that a well - designed feed - forward effect can supply the want of the feedback effect and solve the control problem of long time - delayed system was put forward

    通過對電廠主蒸汽溫度的大遲延特性導致的控制難題的詳細分析，提出合理設計的前饋控製作用能彌補反饋控製作用的不足，可以有效地解決大遲延系統的控制問題。
  12. The paper focus on the main steam pressure control system and introduce some ways to get the systems " mathematics model. bashed on which i present some control methods and basic theory on neural network control. i designs an neural network controller

    本文以電廠主汽壓力控制系統為研究對象，介紹了主汽壓力主要的數學模型機理建模方法及系統辨識方法，介紹了幾種控制方式以及神經網路控制基本原理，並在其基礎上設計了神經網路控制器。
  13. Main steam safety valve is the protective device against overpressure in the steam system of nuclear island

    主蒸汽安全閥是壓水堆核電站核島內主蒸汽系統的超壓保護裝置。
  14. The results of calculation and measures show that the low frequency of steam pipelines vibration fastens on 4. 3 to 4. 5 hz and 9. 5hz, the low modes fastens on one - steps curl in vertical plane and its plane of each steam pipeline and one - rotation along with the line connecting the port circling main steam gate and the horizontal port of unit. the modes of # 3 and # 4 main steam conduits occupy the majority of low steps modes ( the five of the first eight phases ), except for the first phase rotation vibration, the maximal distortion of other low steps vibration modes are all caused by the vibration of erect pipelines of cylinder

    計算和實際測量結果表明：導汽管低頻振動以4 . 3 - 4 . 5hz 、 9 . 5hz頻率為主，管系的低階模態以各導汽管在垂直導管平面和平面內的一階彎曲、以及繞主汽門處端點與水平段汽機端連線的一階扭轉為主， # 3 、 # 4導汽管的振動模態占低階模態的多數（前八階模態中的五階） ，除一階扭轉振型，導汽管的其它低階振動模態中都是進汽缸立管的下端振動變形最大。
  15. The study also shows that the unidentified steam leak quantity is not exceeded to 0. 3 % of the main steam flow after the system is isolated. so the steam leak of the thermal system is little, and the system is sealed well

    研究結果還表明，系統隔離后不明泄漏量均不超過主汽流量的0 . 3 % ，整個熱力系統外漏量較少，系統嚴密程度較好。
  16. With the combination of automatic control theory and practical thermal process automation object in the power station, three main fields including nonlinear calibration of thermal instrument, new control strategies of main steam pressure and advanced control strategies of main steam temperature are studied in detail in this paper

    本文將自動控制理論和火電廠熱工自動化的具體對象相結合，進行了3個方面的研究工作：熱工儀表非線性校正、主蒸汽壓力的新型調節策略、主蒸汽溫度的先進控制策略。
  17. The serious bursting accident of the main steam pipe was analyzed 3 by applying the research results above in chapter 4. the main steam pipe has serviced for 12 x 104h in the power plant. using scanning electron microscope ( sem ), x - ray diffraction, optical microscope ( om ), mechanical experiments, it is verified that the main reason causing the main steam pipe breaking down were the material and structural defects

    採用掃描電鏡技術、 x射線衍射技術、金相觀察、機械性能測試等技術手段和失效分析方法，以某火力發電廠己服役12萬余小時的主蒸汽管道為例，對其嚴重的爆斷事故進行了失效分析，確定了管道失效的主要原因是與管道焊接的閥體存在大量的材質缺陷和結構缺陷。
  18. According to the failure factors, the mechanism, the processes, the critical conditions, the aftereffects etc, the main steam pipe ' s failure patterns are divided into five types : frangibility, toughness, high temperature, creep, fatigue, the processes and characters of each type is analyzed and summarized

    根據主蒸汽管道失效因素、失效機理、失效發展過程、失效臨界條件、失效後果等幾個方面，確定了主蒸汽管道失效的五種形式，即脆性失效、韌性失效、高溫失效、疲勞失效和蠕變失效，並對每種失效形式的過程和特徵進行了分析。
  19. The simulating result showed that when the unit load changes, the maximum dynamic difference of main - steam temperature drops 13. 8 %, the regulating time shortens 17 % and the control character is improved well

    模擬結果表明，在機組發生負荷擾動時，主蒸汽溫度的最大動態偏差降低了13 . 8 % ，調節時間縮短了17 % ，其調節品質明顯改善。
  20. Variable arguments pid control for main steam temperature system based on immune genetic optimization

    基於遺傳演算法的單晶爐熱場溫度控制系統
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