逆流技術 的英文怎麼說

中文拼音 [liúshù]
逆流技術 英文
reverse flow technique
  • : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 名詞(技能; 本領) skill; ability; trick; technique
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  • 逆流 : anarrhea; backset; backwash; contra flow; counter flow; eddy; receding; counter current; reverse ...
  1. The energy saving technology of countercurrent multi - effect evaporation for light alkali concentration

    多效蒸發淡堿濃縮工藝節能研究
  2. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變器採用占空比擴展有源箝位正激式高頻脈沖直環節電路拓撲,由占空比擴展有源箝位正激式高頻脈沖直環節電路與dc ac變橋級聯而成,前級採用電壓型pwm前饋控制,后級採用三態dpm電滯環控制
  3. Combining with practice of china ' s uranium ore heap leac hi ng, this paper proposes main ways and suitable technologies in the fields of emp hasizing feasib ility research, adop - ting strengthened technologies, improving equipment le vel, op timizing control technological factors and developing application range and so o n, which include adopting acid - curring and ferric sulphate - tric kle leaching process, bacteria heap leaching, countercurrent heap leaching, sele cting advanced material of heap bottom, developing large mechanized heap constru ction equipments and methods, popularizing drip i rrigation distributing solution, optimizing heap leaching process parameters, as we ll as developing recovery equipments suited to heap leaching, etc, in order to i n crease leaching rate, reduce heap leaching period and achieve more economic bene fits

    結合我國鈾礦堆浸實際,在重視堆浸可行性研究、採用強化堆浸、改進堆浸裝備水平、嚴格工藝條件及拓寬堆浸的應用范圍等方面提出一些有效途徑及適用,包括採用拌酸熟化-高鐵淋濾浸出、細菌堆浸、制粒堆浸、堆浸,選用優質底墊層材料,研製大型機械化築堆方法和設備,推廣滴灌式布液,優化堆浸工藝參數,以及開發堆浸相配套的回收設備等,以提高浸出率、縮短堆浸周期,獲得更大的經濟效益。
  4. From the last century ninetieth, microprocessor relay protection technology has been rapidly developed and widely used in our country. it has become an inevitably flow and trend in the development of relay protection technology. but there are scarce experimental devices of microprocessor relay protection at present in our country and the devices which are being used have the defect of function single, inconvenient, and high cost etc. based on this condition, an experimental and training system for the multifunctional microprocessor relay protection and substation integrated automation is explored and developed in this paper

    從上個世紀九十年代起微機繼電保護在我國得到了快速的發展和廣泛的應用並已成為繼電保護發展不可轉的潮和趨勢,但是微機保護實驗設備的開發在我國幾乎是一片空白,僅有的微機保護實驗設備也存在著功能單一、體積大、成本高等諸多缺點,基於這一現狀,本文著力研究和開發一種多功能微機保護與變電站綜合自動化實驗培訓系統。
  5. Based on output voltage and capacitor - current feedback current spwm control, the inverter is modeled and the prototype is made

    並對採用輸出電壓和電容電瞬時值反饋的電spwm控制變器建立了模擬模型,製作了原理樣機。
  6. Up to now, honle has possessed modern workshops and advanced production devices, besides, the company always introduces technology positively, reforms craft continuously, devotes to researching and developing the stabilized voltage power supply, precise pureness power supply, dc power, inversing power, voltage regulator taking the electric power, electron as the core, we carry out the integration of supplying, providing, marketing for products

    本公司擁有現代化廠房,先進的生產設備,積極引進,不斷改進工藝,專心致力於研究,開發以電力、電子為核心的穩壓電源,精密凈化電源,直電源,變電源,調壓器等系列多種電源產品,實行供、產、銷一體化。
  7. Which is a technique for allowing the process designer to implement compensating actions for certain irreversible actions

    這個概念,這是一種允許程設計者為某些不可的動作實現一些補償動作的
  8. This paper introduced the structure and the work principle of igbt inversional dc argon welder and analysed the new techniques used for the welder

    文章介紹了igbt變式直氬弧焊機的結構和工作原理,並對焊機中所採用的新進行了分析。
  9. The generator is verified to be of well performances by experiment. the third part concerns the control system of pm generator in vehicle application by commutating and inversion. considering the development of future power supply of auto electric system and the economizing on energy, the multi - voltage power supply system for future autos power supply system is introduced, and the design is given in detail

    最後,結合現代電力電子,利用整橋、變器、 mosfet等元器件設計並實現了車用永磁發電機恆壓輸出控制;從未來汽車電氣系統的發展方向和高效節能方面考慮,提出未來汽車的多電壓供電系統的典型配電模型,並對該模型進行具體設計,實現多電壓供電的功能,並給出了控制線路中各主要部分的波形。
  10. It had been very mature to develop maritime trade in the aspect of economical spur and technological support, but the ming government reversed the inherent law and stuck to ban on the maritime trade

    嘉靖年間發展海外貿易的經濟驅動與支持已相當成熟,但明政府以海防備倭為由,違時地堅持海禁。
  11. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交異步電動機變頻調速的發展概況,在回顧電梯液壓控制系統節能的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  12. This paper introduces several ways of using the regenerating - brake energy in rail - traffic field, and discusses the specification and applicability of the regenerating - brake energy, and of the capacitor - energy - storage in different power - supply modes, which have been practiced in many countries

    摘要介紹了世界軌道交通領域各種主的車輛再生制動能量的利用方式,闡述了其中最適用於國內直牽引系統的變和電容儲能兩種方式的細節,及其針對不同供電形式的適用性。
  13. The inverted pwm changing electric current the technique is applied in the prototype model. the prototype model was tested and operated on spot, power factor could reach beyond 0. 95, the effect of following modulating voltage was better, the curve of factor of modulated voltage of exchanging systems changed following load rate was linear, the output of wave form was a flat and steady sinusoidal wave

    樣機採用了變式pwm變,對其進行了現場測試與試運行,測試結果是電網側的功率因數可達0 . 95以上,跟蹤調壓效果良好,變系統輸出調壓系數( k )隨負載率( p )的變化曲線基本滿足直線關系,輸出波形呈平滑穩定的正弦波。
  14. In this thesis, we studied the basic theory of constructing isoline and the corresponding algorithm. based on object oriented technology, we implemented computer aided auto drawing of thrust isoline graph

    本文的目的就是通過探討等值線構造的實現原理和相應的演算法巧,使用目前行的面向對象程序設計,在計算機上實現斷層地質等值線圖的自動繪制。
  15. In the second chapter, it has introduced the super - frequency induction heating power supply in detail, including its rectifier, its inverter and its parallel - resonant load

    第二章對超音頻感應加熱電源做了詳細的分析,包括它的整電路、變電路和並聯諧振槽路。
  16. We design inversion control circuit with cmos figure pll cd4046 act as core and microprocessor 80c196kc act as assistant controller. adopting a control method that combine fuzzy controller and pll control, improve induction heating power succeed in startup. adopting electric current voltage pair closed loop feedback design, with trough route capacitance voltage and trough route electric current act as pair closed loop feedback signal, guarantee induction heating power output accuracy

    並對系統主電路的元器件參數進行了詳細的計算;設計了以cmos數字鎖相環cd4046為核心、以80c196kc作為輔助控制器的變控制電路;採用了模糊邏輯與鎖相環相結合的控制,提高了電源的啟動成功率;採用電、電壓雙閉環反饋方案,採用槽路電容電壓和槽路電作為反饋信號,從而保證了電源功率的輸出精度。
  17. A development and updating solution for the controlling system of a high - power special pulse power supply as used in the process of potting in magnesium and aluminium ect light - alloy surface is discussed. the power supply controller adopts intel 16 bit signal chip employing the core of controller, full - bridge controlled rectifying and reversing technique in its main circuit, pulse width modulation technique is adopted in controlling circuit

    控制器採用intel16位單片機80c196kc為核心,電源主電路採用全控整,控制電路採用pwm (脈寬調制)控制方式,電源實現了雙向不對稱脈沖輸出和在大電、高電壓工況下主要參數的大范圍連續可調。
  18. Power electronic inverter technology is the key in energy feedback. this paper presented and analyzed current - source inverter and voltage - source inverter ' s work theory, and compared these two inverters. voltage - source inverter was the emphasis

    電力電子的是能量回饋系統的核心部分,本文講述了電壓型變電路和電變電路在能量回饋系統中的工作實現原理。
  19. By analying the issues in the development and application of invertering techniques, the advances in several key areas, such as commuting process of power semiconduction device, control of invertering power supply, model and simulation of the system, are reviewed

    針對大功率發展及其應用研究過程中存在的基本問題進行了分析,簡要評述了功率器件換過程和控制方式的進展,介紹了變電源的控制和系統建模、分析、模擬以及應用研究的主要內容,探討了大功率的發展方向。
  20. Abstract : the multifunctional inverter power sourcethe handy inverter welding, plating & charging manchine, developed with advanced inverter and micro - electronics control techniques, adopts “ half - bridge power expansion supply midpoint voltage autocontrol setting ”, and technically and effectively having solved inverter subvision of inverter power expansion circuit for leaning magnetism, reliability of high - power inverter setting, achives combination of constantcurrent and constantvoltage export, and realizes low - voltage dc and high - voltage ac double power supply

    文摘:運用先進的高頻和微電子控制設計研製的變式多功能電源便攜式變焊鍍充電多用機,採用「半橋式功放級供電中點電壓自動控制調節裝置」 ,在上解決了變功放電路因偏磁而造成的變顛覆,有效地解決了大功率變器的可靠性問題;進行多種外特性的綜合設定,實現了恆與恆壓輸出的合一;與傳統焊機相比,實現了開環和閉環狀態下都互不影響的低壓直電瓶和高壓交雙供電
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