direct current field 中文意思是什麼

direct current field 解釋
直流電場
  • 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。
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  1. Stimuli - response of gelatin hydrogel under direct current electric field

    明膠水凝膠電刺激響應行為的研究
  2. In the thesis, a signal processing scheme of polarization - insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation

    本文主要介紹了偏振無關光纖michelson干涉型微弱磁場傳感器信號處理的方案:通過閉環控制工作點演算法使干涉儀工作在正交工作點處，再利用相敏檢波演算法提取傳感器輸出信號的基頻分量，以測量直流磁場的大小。
  3. If the electric field added is unchangeable, what produces is the direct current

    如果所加的電場不變，產生的是直流電。
  4. As an electric and electron component, the application field of thyristor is very wide. to these days, in the fields of direct current transfer, reactive power compensator, etc, thyristor still play an important role

    晶閘管作為一種電力電子器件，在強電領域有著極為廣泛的應用，迄今為止，在直流輸電、無功補償等方面仍占據舉足輕重的地位。
  5. Numerical simulation method for enhancing waterflooding efficiency using direct current electric field

    直流電場提高水驅油效率的數值模擬方法
  6. These direct current ( dc ) permanent - magnet wound field servomotors range from 3, 000 revolutions per minute ( rpm ) to less than 1 rpm without stalling

    這些直流永磁鐵將使補助馬達間接變速裝置從每分3000轉降低到每分1轉，並無延遲。
  7. Static - electric field of spindt cathode was analyzed and then field emission current was simulated. the method could direct the fabrication of spindt cathode. how the aspect ration and site density of cnts effect the field enhancement factor were also analyzed

    對碳納米管的頂端電場進行了計算，分析了其長徑比和生長密度對電場增強因子的影響，進而可以對場發射實驗進行指導。
  8. Based on this, the optimum operating mode of ln anisotropic one - dimension aeo device is determined as : light promulgates along z axis, ultrasonic wave promulgates along x axis, and direct current electric field is loaded along y axis

    經過計算，一維鈮酸鋰反常聲電光器件的最優化工作模式為:光沿著z軸方向，直流電場沿y方向，超聲波為沿著x軸方向的快切變波模式。
  9. The optimum operating mode of kdp two - dimension aeo device is : the light promulgates along z axis, direct current electric field is loaded along z axis too, a pair of slow wave promulgates in xoy plane, which are vertical to each other

    二維kdp聲電光器件最優化工作模式為:光和電場方向沿z軸方向，聲波採用xoy平面內兩個相互垂直的慢波，其中正常器件為縱波、反常器件為切變波。
  10. Paper regards the vegetables current situation as background, analyze our country and foreign vegetables marketing disparity of channel, combine the survey of existing vegetables marketing channels in wuhan, direct three main vegetables marketing channels : wholesale market, farm market, supermarket. finding the existing problem and the relation and conflict each other. have put forward the corresponding improvement measure : wholesale market as the tap of the vegetables marketing channel, in the face of sell smooth, fund shortage, facility simple and crude, communication way outmoded market that exist at present, must adopt with governed by law field, increase input, and scientific appraisal make their functions perfect further ; farm market as the vegetables marketing channel system of produce of foundation, should fully realize meaning in which the market have, dispel the restriction factor of market development, heighten the level, which manage and improve ; supermarket as the new member, should see clearly the existing problem in the hardware and software terms, utilize government microscopically policy support, strengthen self - building, make the new developing achievement state of competence develop better

    論文共五章：第一章是論文研究的目的和意義以及營銷渠道的主要理論和國內外的研究動態；第二章是國內外蔬菜營銷渠道分析及比較，以我國蔬菜產銷現狀為背景，分析了我國與國外蔬菜營銷渠道的差距；第三章是對武漢市蔬菜營銷渠道的現狀分析，主要是針對蔬菜批發市場、農貿市場、超市這三個主要渠道成員存在的問題及其相互之間的關系與沖突，提出了相應的改進措施；作為蔬菜營銷渠道龍頭的批發市場，面對當前存在的市場萎縮、銷售不暢、資金短缺、設施簡陋、方式陳舊等問題，必須採取以法治場、加大投入、科學論證的方法使其功能進一步完善；作為蔬菜營銷渠道體系基礎的農貿市場，應充分認識市場存在的意義，消除市場發展的制約因素，提高管理和革新的水平；作為蔬菜營銷渠道新成員的超市，要認清經營中硬體和軟體兩方面存在的問題，利用政府宏觀政策支持，加強自身建設，使這一代表先進生產力水平的新興的業態更好地發展。
  11. The principle advantages of vcsels over conventional edge - emitting lasers lie in ultralow threshold current, small far - field divergent angle, high modulation frequency, potential for wafer level testing and the ease for single longitudinal mode operation and two - dimension integration. as a result they show considerable promise for applications such as optical fiber communication, parallel optical interconnects, optical information processing and neural networks, etc. a direct coupling theoretical model in quasi - three - dimension for the gain - wave guide vertical - cavity surface - emitting lasers has been created in this paper

    它與傳統的邊發射激光器相比具有更優越的特性，例如，具有極低的閾值、較小的遠場發散角、調制頻率高、易實現單縱模工作和二維集成，無須解理封裝即可進行在片測試等，所以，它被廣泛應用於光纖通訊、并行光互聯、光信息處理、光神經網路等領域。
  12. 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
  13. Numerical simulation and analysis of pulsed direct current brazing temperature field with computer

    脈沖直流電弧釬焊溫度場計算機模擬及分析
  14. The difference between electrostatic field and electric field in the steady direct current

    靜電場和穩恆電流場的異同
  15. The cleavage rate of oocytes at 18 - 19h after hcg injection was clearly higher than those at 12 - 13h and 15 - 16h after activation ( 71. 67 % vs 7. 50 % and 55. 83 %, p < 0. 01 ). the rates of avtivation, cleavage and development of blastocysts after 22h started to fall, but with no difference with those of 18 - 19h ( p > 0. 05 ). to sum up, the optimal electric stimulation conditions of mouse oocytes at 18 - 19h after hcg injection is 2. 0kv / cm direct current field strength, 80us pulse duration, 3 times pulse and 0. 3mol / l mannitol medium with 0. 1 mmol / l cacl2 and 0. 1 mmol / l mgso4

    880和12 50o ） ，但與18l的卵母細胞組無明顯差異o 0刀5 ） 。綜上所述，在本實驗室條件下，以含ca刀、 mgh的甘露醇溶液為激活液，採用2刀by cm強度、 80呷脈寬、連續3次脈沖（每次間隔10min ）刺激注射hcg后18二9h的小鼠卵母細胞，可獲得較為理想的激活效果。
  16. In charter iii, the author designed a set of direct current bias and a schematics for measuring signal, by which the character of conduction of the laser plasma in electrical field caused by bias was studied

    第三章中本文作者自己設計了一套直流偏壓裝置及信號測量裝置及方案，從激光等離子體在偏壓電場作用下的導通特性測量，研究了偏壓對激光等離子體空間膨脹過程的影響機理。
  17. Numerical simulation and analysis of the temperature field for direct current gtaw arc brazing

    電弧釬焊溫度場的數值模擬及分析
  18. The rectifier scheme that direct current supplying with power electronic equipment is obtained by alternating current being rectified is widely applied in power electronics field. however, the rectifying circuits result in input current distortion, input power factor greatly decrease

    從電網獲取交流電經整流后為設備提供直流電是電力電子技術中應用極為廣泛的一種整流方案，然而由這種整流方案設計的電路使輸入電流產生嚴重的畸變，其諧波電流嚴重污染了電網，輸入端功率因數大大下降。
  19. This paper has designed and finished motor controller with field programmed gate array ( fpga ) chips made in altera and analyzed the ways to realize the speed adjusting of bldcm ( brushless direct current motor ) with this controller

    本論文利用altera公司的現場可編程門陣列（ fpga ）晶元完成了電機控制器的設計、製造和調試並在此基礎上分析研究了利用此控制器對無刷直流電機進行調速控制的方法。
  20. Direct marketing advisor of keyou will communicate with high level leaders of customers who are in charge of informational projects, and discuss about current direct marketing field status, developing tendency, and customers object of their informational project

    客友軟體的直銷業務顧問將同客戶負責信息化項目的高層領導進行溝通交流，對當前直銷行業的現狀、發展趨向、客戶將要實現的信息化目標等進行討論。
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