phase terminal 中文意思是什麼

phase terminal 解釋
相端子
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • terminal : adj 1 終端的,終點的,結尾的;極限的。2 定期的,每期[季]的;每學期的,學期終[末]的。3 期終的;末...
  1. Watthour meters in moulded insulation case without instrument transformers, up to 60 a rated maximum current ; principal dimensions for meter terminal cover for poly - phase meters

    安裝在最大額定電流可達60 a的無儀表變壓器模壓絕
  2. Watthour meters in moulded insulation case without instrument transformers, up to 60 a rated maximum current ; principal dimensions for meter terminal cover for single - phase meters

    安裝在最大額定電流可達60 a的無儀表變壓器模壓絕
  3. Only patients in the terminal phase of an illness can have an out - of - hospital do - not - resuscitate order

    僅在疾病終末期患者可以使用院外不得復甦令。
  4. Location using one - terminal data for double phase - to - earth fault on non - direct ground neutral system

    非直接接地系統兩相接地故障的單端測距
  5. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后,轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌,進一步用遺傳毒素g418篩選多拷貝的轉化菌株,命名為gh1 ;將gh1甲醇酵母菌用0 . 5的甲醇誘導表達,發酵上清經90飽和度的( nh _ 4 ) _ 2so _ 4沉澱, yw - 3 ( mwc03000 )的超濾膜超濾,再經cm陽離子交換, c _ ( 18 )反相hplc純化得到分子量為4kd左右的組分,其中4289 . 05的組分經質譜鑒定,氨基酸組成分析和序列測定為正確的表達產物,生物學活性表明其活性為天然毒素活性70 % ,表達量為80mg / l 。
  6. 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。
  7. Abstract : the paper describes the application of vacuum preloading in combination with surcharge preloading to improve soft soils for la rge working load in the storage area of phase of nanjiang coal terminal of ti anjin port. analysis is made on the result of the improvement and it is concluded that the technique of vacuum proloading in combination with surcharge preloadin g can be used to improve soft soils for large working load and the result can be remarkable

    文摘:本文介紹了大使用荷載條件下真空聯合堆載預壓技術在天津港南疆煤碼頭堆場(二期)軟基加固工程中的應用情況,並對加固效果進行了詳細分析,得出了大使用荷載條件下可採用真空聯合堆載加固軟基且加固效果明顯的結論。
  8. The first phase of the area covers 3. 06 square km and includes warehouses, cold storage, a container terminal and processing and logistics services

    第一期工程佔地面積3 . 06平方千米,包括了倉庫,冷藏庫、集裝箱碼頭區、加工和物流服務區。
  9. Then, this thesis presents an algorithn of 2 - terminal quantity fault location based on synchronous gps sampling. this algorithm conducts fault location with only the 3 - phase fundemental wave voltage and current phasors of the 2 terminals of transmission lines and apples to lines of both symmetrical and asymmetrical parameters, irrelerant to the impedence, fault types and transitional resistance of the 2 terminals of lines

    然後,本文提出了一種基於gps同步采樣的雙端量故障測距演算法。該演算法僅利用輸電線路兩端的三相基波電壓、電流分量來進行故障定位,不受線路兩端系統阻抗、故障類型、過渡電阻等因素的影響,對參數對稱線路和非對稱線路均適用。
  10. Terminal box cable entries for three - phase cage induction motors at rated voltages from 400 v to 690 v

    額定電壓為400 v至690 v的三相籠型感應電動機用接線
  11. In chapter 2, the mathematical model of two - phase hybrid stepper motor as a generator is established. then according to the model, the functional relationship is obtained between the terminal voltage of stator winding and continuous rotor position

    第二章,建立了二相混合式步進電機的發電模型,並進一步簡化得到定子繞組端電壓與轉子轉角之間的函數關系式,為步進電機實現連續角位移測量的研究奠定理論基礎。
  12. The first phase of the river trade terminal commenced operation in october 1998

    內河貨運碼頭第一期,已於一九九八年十月?用。
  13. 3 foot is power source terminal at eight - phase left - hand end, they are zero curve 、 live wire 、 ground wire or “ _ ” 、 “ + ” and ground, 5 、 6 foot are lose electric alarming fan - out ( replay normal close point, the equipment cut - out after losing electricity

    左端8位端子的1 、 2 、 3腳為電源端子,分別為零、火、地或「 」 「 」 、地; 5 、 6腳為失電告警輸出端(繼電器常閉點,裝置失電后斷開) 。
  14. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能,在發生單相永久性接地或單相斷路故障時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序電流,用upfc的串補來提高輸電線的傳輸功率,以實現兩相長期運行,那麼輸電系統的穩定性、可靠性將大大提高。
  15. Based on the comprehensive analysis of the application status and the existed problems of transmission line fault location, this dissertation presented a new algorithm for fault location based on two - terminal asynchronous data, which can make correction for the integrate error of line parameter, length of transmission line, sampling value and so on. at the same time, it can work out the two - terminal asynchronous phase angle with the corrected parameters

    本論文在充分分析了國內外故障測距的理論與技術以及存在的問題后,針對輸電線路故障定位因線路參數變化對定位準確度的影響,提出了能夠對線路的參數、長度和采樣值等誤差等進行綜合誤差修正( cie )的新演算法,並利用修正後的參數來求解兩端的不同步相角差。
  16. Space arrangement of basement trench commonly shared by m amp; amp; e ducts and new supporting stand application in terminal section of shanghai pudong international airport phase project

    上海浦東國際機場二期航站區工程地下室共同溝機電系統管線空間布置及新型支架的應用
  17. In the base of information collection, discourse study handling technology in yangshan container terminal of the first phase. at one time. reference waigaoqiao and ningbo container terminal " s handling technologys compare the characteristic of handling technology, and analyse the index of the technology and the economy between rail - mounted transfer crane and rubber - tyred gantry crane. discourse is carved up four part. namely task analyse of handling technology design > project study out > size design s technology and economy argumentation, commendable project confirm

    同時,借鑒外高橋、寧波北侖等的集裝箱碼頭裝卸工藝設計,著重比較分析輪胎式龍門吊和軌道式龍門吊各自的裝卸工藝特點和技術經濟指標。全文共分四個部分,即裝卸工藝設計的任務分析、方案擬定、規模設計以及技術經濟論證和推薦方案的確定。
  18. Operator of the dalian dayaowan, a significant port in liaoning province, china, as transshipment hub in northeast asia region with expected handling capacity of 700, 000 teus per annum, is puzzling to stay the terminal competitive to cope with the ever - rising cargo handling capacity. its key to success is automated software system. an automated cnr turns the dalian dayaowan phase ii be the first - of - its - kind container management requires " zero manpower at in - out - gate "

    大連大窯灣碼頭為東北亞區的重要國際航運中心之一,集裝箱吞吐能力為70萬標準箱,為應付這重點建設工程,該解決方案加大了高科技投入,採用了自動化集裝箱號碼識別系統vecon - con ,使大窯灣碼頭第二期海關實現了全國第一家集裝箱閘口無人值守管理。
  19. Connection skill for three - phase transformer terminal group

    三相變壓器接線組別的連接技巧
  20. Measurement of quartz crystal unit parameters by zero phase technique in a - network ; part 3 : basic method for the measurement of two - terminal parameters of quartz crystal units up to 200 mhz by phase technique in a w - network with compensation of the parallel capacitance c

    在型網路中用零相位技術測量石英晶體單元參數.第3部分:在具有並聯電容c補償的w型網路中用相位技術測量頻率200mhz及以下石英晶體單元的二端參數的基本方法
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