direct current supply 中文意思是什麼

direct current supply 解釋
直倆電
  • direct : adj 1 筆直的，一直線的；正面的。2 直接的。3 直截了當的，直率的，明白的。4 直系的，正統的。5 【語...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  • supply : vt （ plied） 供給；供應；配給；補充，填補，彌補（不足、損失等）。 Cows supply us （with） milk ...
  1. General specification for low voltage direct current power supply

    低壓直流電源通用規范
  2. The circulation function therapeutic instrument of brain based on direct digital synthesis ( dds ) technology uses the domestic newest scientific findings and others in foreign countries. adopting the dds technology directly, it produces the safe, valid treatment. through pasting heart electric electrode on body surface, it introduces electric current to cerebral fastigial nucleus ( fn ) without damage in order to improve the state of brain blood supply and nerve conducted and something of lacking proper care to lose the symptom of coordinating with a net, increase cerebral blood flow, reduce downright bad neuron figure, district of penumbra, lighten brain perinemotoma

    基於直接數字頻率合成技術的智能腦電治療儀應用國內國際上最新科研成果，採用直接數字頻率合成技術，實現安全、有效的治療，通過粘貼于體表的電極，無創引入小腦頂核，從而改善腦供血狀態和神經傳導失調失絡癥狀，增加大腦血流量，減少半影區壞死神經元數目，減輕腦水腫，最終達到改善腦循環功能的作用。
  3. The high voltage supply to the test electrode shall beeither alternating current, direct current, high frequency current or impulsedcurrent as specified in 4. 1

    通常採用的測試高壓電源有交流、直流、高頻和脈沖。在4 . 1中有詳細介紹。
  4. The research on high - voltage capacitor direct current charging power supply is performed by using matlab in this paper

    本文利用matlab語言提供的動態模擬軟體包simulink對高壓電容直流充電電源進行了研究。
  5. These results prove that the charging action of the power supply is right. the simulation method is applied with other power supply system. at the same time, the hardware system of 2qkv - 60kw high - voltage capacitor direct current charging power supply is described in this paper, and discuss why designed a full digital phase - shifting pulse circuit

    同時，本文敘述了20kv ? 60kw高壓電容直流充電電源的硬體電路的設計，其中討論了為什麼不採用已有的uc3875 、 uc3879等晶元來產生zvspwmdc dc變換器的移相脈沖，設計了全數字式移相脈沖產生電路。
  6. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。
  7. Abstract : based on the analysis of the specialty of ca - ni accumulator, this paper proposes a computerized supervise and survey system, which is applied to supervise and survey the capacity, voltage, strong discharge and malfunction status real - time. according the concrete situation workers can dispose conveniently in time, and insure the direct current power supply working reliably

    文摘:在分析了鎘鎳電池特性的基礎上提出一種微機監測系統，用以對電池的容量、電壓、強放電及故障狀況進行實時監測，以便運行人員根據具體情況及時處理，保證直流系統可靠地工作。
  8. The application of heat pipe type water supply preheater in oil field high - pressure direct current boiler

    熱管式給水預熱器在油田高壓直流鍋爐上的應用
  9. It is composed of four parts : dc ( direct current ) power supply, resonance charging and polarity reverse unit, electric relay control unit and computer control unit

    它主要由四部分組成：三相整流直流電源，諧振充電及電壓反向單元，繼電器控制單元，計算機控制單元。
  10. Direct current power supply converter for coal mine

    礦用直流電源變換器
  11. The chief disturbances are the ripple of direct current power supply to scan pzt, resonant box effect of usual optical table using to weaken the environmental vibration disturbances, and the effect of air flow

    主要干擾為掃描pzt直流電源的波紋系數、減震光學平臺的共振箱作用以及氣流的影響。尤以共振箱影響最大。
  12. This thesis studied the reason of the hysteresis and nonlinear characteristic of pzt thinner circle plate and cymbal transducer. using the charge control method, we designed a high voltage direct current power supply to control the transducer

    分析了壓電陶瓷片及cymbal換能器的遲滯非線性成因，並運用電荷控制思路，自行設計了高壓可調直流電源對cymbal換能器進行控制。
  13. Taking the fieldbus control system of 750 v direct current power supply system in beijing metro line batong as an example, the application of the profibus technique in the power supply system of metro is discussed, and the hardware and software structure and principles of profibus are introduced

    摘要以北京地鐵八通線750v直流供電系統現場總線控制系統為例，介紹過程現場總線（ profibus ）技術在地鐵供電領域的應用，論述系統的硬體、軟體結構及其工作原理。
  14. Abstract in this paper the phase commutation and current curves of brushless motor variable - speed system are studied. according to the results that the pulsating torque is influenced greatly by the ratio of the direct current supply voltage and the electromotive force of the motor, an approach to reduce the pulsating torque is presented

    本文通過對無換向器電動機模型的換相過程和電流波形的研究，得到換相轉矩波動受直流電源電壓和電動機電動勢幅值的比（ u / e ）的影響較大的結論並獲取了最佳u / e ，同時通過模擬研究了電流波形，提出了減小轉矩脈動的控制策略。
分享友人
分享到 Line

分享到臉書