點整流 的英文怎麼說

中文拼音 [diǎnzhěngliú]
點整流 英文
dot rectification
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
  • : 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...
  1. This article combines the theory and reality ; try to explore the major effects and changes of relationship between consumers and business from the retail aspect, and tries to show how to gather all the resources efficiently with the real case of shijiazhuang guoda group, how they developed the multiple shop to a sale station, a service station, a circulation station and an information station for merchandise, how they made the geographical shop well - combined with the virtual online sale and improved the competition power of the company, the main objective is to share the experience with the sister industry

    本文通過理論與實際應用相結合,從通創新角度論述電子商務實現了消費者和企業之間信息的快速互動式溝通,使通業發生了深刻變革,對通業產生的革命性影響,並以石家莊國大集團公司為案例闡述了如何有效進行資源合,將連鎖便利店發展成為商品的銷售站、服務站、物和信息站的快捷便利的服務平臺,將地理性店鋪網路與虛擬性網上銷售有機結合,提升了企業核心競爭力,旨在為同業提供可借鑒經驗。
  2. Company was set up in 1997, as a high - tech enterprise with ability of reserch, development and manufacture, it was set up for limited company in 2006, and has passed iso9001 : 2000 quality adminis - tration system certification. company have professional works, excellent process equipments, perfect checkout apparatus, and produces all sorts of premanent magnetic chuch, electro magnetic chuch, rectiffication ` s manipulator and magnetic removal with adwantages of advanced designment, long longevity, big suction and small remanence. the quality has passed the certification of china quality test association and china quality indemnify center

    公司成立於1997年,是一家集科研開發生產為一體的高科企業, 2006年組建為有限公司,並通過iso9001 : 2000質量體系認證,公司擁有專業的技術人員,精良的加工設備,完善的檢測儀器,所生產的各種永磁吸盤、電磁吸盤、控制器、退磁器等磁性工具,具有設計先進、壽命長、吸力大、剩磁小等特,質量通過中國質量檢驗協會,中國質量保障中心認證。
  3. A design adding a dc chopper after the triphase rectification was given to reduce the peak of the pulse of voltage, aiming at the characteristics that the magnitude of the rated voltage of permanent magnet synchronous motor ( pmsm ) is far below that of the power supply, also the electric parameters of the devices were given

    針對專用永磁同步電機額定電壓大大低於電網電壓這一特,為降低電機上承受的峰值脈沖電壓,設計了在三相之後增加一級直斬波器並給出了相應的電氣參數。
  4. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案:在對比幾種功率調節方式的基礎上選擇了不控加斬波調壓作為直部分。在這部分里,重研究了一種軟開關buck變換器,通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態;對于逆變器部分,在比較了串、並聯逆變器優缺的基礎上選擇了串聯諧振逆變器,並詳細分析了串聯逆變器的工作原理,提出了最佳死區的計算方法。
  5. Abstract : the author puts forward a constant - current control system of diode rectifier with saturable reactor in electrolytic aluminum. the working principle of saturable reactor is depicted. also analyzed are the system configuration and features of system correct circuit

    文摘:介紹了應用於電解鋁的加飽和電抗器的二極體器的恆控制系統,簡述了飽和電抗器的工作原理,分述了系統構成和系統校正電路的特
  6. Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given

    主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程,功率變壓器的工作波形及過程進行了詳細的模擬分析,並重討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。
  7. Thirdly, the relative theories of the limiter and rectifier are studied. in order to make the passive responder work stably under the conditions of large dynamic range of the receiving power and the high efficiency requirement, a two - stage limiter circuit and a voltage - doubler rectifier circuit with several diodes parallel are developed

    3 ,對應答器地面裝置中的能量轉換電路進行了研究,針對應答器地面裝置接收到的載波功率具有大動態范圍的特以及系統能量轉換的高效率要求,設計了一種兩級級聯二極體限幅電路和多管並聯的倍壓電路。
  8. Then, a thorough discussion and sum ? p about the main construction process of cfst tied ? rch bridge without wind bracing is presented in the paper in association with the construction practice of the bridge. in addition, the author put emphasis on the static calculation of two point integral hoisting construction method in single cfst arch rib. futhermore, the stabilization of arch rib in construction and service stage are analyzed detailedly

    本文結合該大橋的施工實踐,對無風撐鋼管混凝土系桿拱橋的主要工藝施工程進行了全面論述和總結,並重對單片鋼管拱肋兩體吊裝的結構受力進行了靜力計算及對拱肋在施工和運營階段的穩定進行了分析。
  9. The converter has the advantages including zvs for the switches, no voltage spike across the rectifier diodes, simple circuit and constant frequency control

    該變換器具有開關管電壓應力低、實現軟開關容易、副邊管沒有電壓尖峰等優,適合中大功率場合。
  10. This system consists of a full bridge pwm ( pulse width modulation ) regenerative rectifier or so - called vsc ( voltage source converter ) that connected to pcc ( point of common connection ) at the power utility grid through a passive interface circuitry

    這種系統包括一個pwm全橋可逆器或者所謂的電壓源變換器,通過無源電路介面與電網的pcc(公共連接)相連。
  11. Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel

    由於十二相發電機中四個y繞組的中電位不等,電機內部沒有公共參考,從而在判斷元件導通時,不能象三相同步發電機系統那樣認為陽極電位最高或陰極電位最低的元件導通,本文採用了以線電壓代替相電壓建立十二相發電機的數學模型,從而解決了十二相發電機無公共參考的問題。
  12. Aiming at weakness of the former excitation system of ball - mill machine synchronous motor in mill run factory, succeeds in digitization reconstruction for the excitation system by applying advanced siemens 6ra70 rectifier, s7 - 300 plc and profibus - dp fieldbus technique, constructs automation network of the workshop, and acquires better technique and economic benefit

    摘要針對選礦廠球磨機同步電機原勵磁系統的缺,運用西門子6ra70器、 s7 ~ 300plc及profibus - dp現場總線技術對勵磁系統進行了數字化改造,構建了車間自動化網路,取得了良好的技術和經濟效益。
  13. The gear are usually relatively lightweight, and the two main gear can also be easily encased in streamlined fairings to produce low drag in flight

    后三起落架通常重量都比較輕。兩支主輪子可以配置置用來減小飛行中的阻力。
  14. Using the digital technology improves the performance traditional thyristor welding machine, according to the characters of the double inverse star from rectifier circuit, set the parameters with micro - controller accurately, design the dependable trigger circuit, lead the feedback of voltage for the operation program, so the voltage of main circuit be carried out very steadily

    摘要利用數字控制技術對傳統晶閘管焊接電源進行改進,根據雙反星型晶閘管電路的特,採用單片機進行精確設定,設計了高可靠性觸發迴路,結合電壓反饋進行程序運算控制,實現了主電路輸出電壓的精確調和可靠運行。
  15. The reason to creates this kind of destruction to be very many, the main of them is that the apron partially has not been able fully to display it to eliminate energy affect so causes the ditch bed to wash out, forms flushes the pit, leading to the apron, to guard against flushes the trough and both banks slope protection destruction, for a long time, disappear power design of plunge basin and layout have been focused on disappear power. but not to give the enough value on uses the sea to inundate the section to disappear power and adjust speed to reduced downriver washes out

    水閘閘下沖刷破壞的部位絕大多數發生在消力池下的海漫和防沖槽處,造成這種破壞的原因很多,其中很大一部分是由於海漫部分未能充分發揮其消能作用而引起渠床沖刷,形成沖坑,導致海漫、防沖槽及兩岸護坡的破壞。一直以來,人們把消能的研究重放在消力池的消能設計及平面布置上,而對海漫段消能及調速功能研究甚少,至於對海漫加糙水運動建立數學模型,在國內外還很少見相關的論文資料。
  16. The principles and characteristics of synchronous rectification ( sr ) are given, and advantages of self - driven sr in low power applications is detailed. review of several topologies which incorporate self - driven sr makes the constrains of conventional self - driven sr scheme apparent and thus a new scheme to drive srs is proposed. the developed single - winding self - driven synchronous rectification ( swsdsr ) scheme works properly in topologies that drive symmetrically the transformer ( push - pull, half bridge, . . ). it allows for maintaining the srs on even when the voltage in the transformer is zero, which is impossible to do in traditional self - driven approaches

    本文針對低壓/大電輸出的小功率dc / dc變換器,圍繞著變換器的效率問題,分析了同步的原理和特,重闡述了自驅動同步在低功率場合的優勢,在分析比較了多種與自驅動同步相結合使用的電路拓撲后,指出常規的自驅動同步方案限制了與之結合使用的電路拓撲的范圍這一局限性,從而給出了一種新穎的單繞組自驅動同步方案。
  17. When escape system is activated, the grille wings at the upper fairing will open, supporting frame will pick up the orbit and returning modules, the lock between the returning and propelling modules will release, the lock between the upper and lower fairings will release, escape rocket will be ignited and finally pull the escape flight vehicle away from the rocket

    該系統由逃逸塔和上部罩組成,逃逸系統加上飛船的軌道艙和返回艙構成逃逸飛行器。當需要逃逸時,上部罩上的柵格翼打開,支撐機構夾住飛船軌道艙和返回艙,然後返回艙與推進艙解鎖上下罩解鎖逃逸發動機火,逃逸飛行器飛離運載火箭。
  18. Its chief product, motorcycle fitting series, includes : electronic igniter, high voltage ignition coil, starter relay, rectifier voltage regulator, flasher, vehicle decorative lighting, and so on

    其主產品摩托車配件系列有:電子火器、高壓包、啟動繼電器、調壓器、閃光器、車用燈飾等。
  19. In the paper it makes focal points of the zig - zag transformer " influences on the harmonics of line side and pulse shifting control influence on the harmonic of motor side. the theoretical computation and computer simulation waveforms are presented

    分析了變壓器曲折接法和移相多重化對網側諧波的影響及移相pwm控制方式對減少輸出側諧波的作用,並給出理論計算結果和計算機模擬波形。
  20. An online fair and marketplace dedicated to promoting the products made in zhejiang. includes virtual exhibit halls for textiles and garments, light industry products, machinery and hardware, chemicals and pharmaceuticals, electronics and appliances, packaging and printing, food and drink, metals and building materials, and office supplies

    -專業從事生產微電機製造設備特種焊接設備及靜電噴塗設備的企業,產品有轉子繞線機,定子繞線機,子精車機,充磁機,焊機,焊接機,滴漆機,塗敷機等電機製造設備
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