無極發電機 的英文怎麼說
中文拼音 [wújífādiànjī]
無極發電機
英文
electrodeless generator-
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繞組的中點電位不等，電機內部沒有公共參考點，從而在判斷整流元件導通時，不能象三相同步發電機整流系統那樣認為陽極電位最高或陰極電位最低的整流元件導通，本文採用了以線電壓代替相電壓建立十二相整流發電機的數學模型，從而解決了十二相發電機無公共參考點的問題。The most convenience of the wlan service felt by news reporters, the main users, is that in the reporting rooms on the stand or in their working rooms, they can directly send text manuscript and images screened by digital camera to the newsroom through wlan wide band network. in the past, this is usually done when they come back to hotel or the news center to dial on the net. so the wireless wide band network service greatly reduced the time during which the reporters must wait for manuscript transmission
記者作為這次wlan業務的主要用戶，他們感受到的主要方便之處在於：在看臺記者席、記者工作間可以直接通過wlan寬帶無線網路將文字稿件和數字相機拍攝的圖片發送到編輯部，而在此前記者多是回到旅館或在新聞中心利用電話撥號上網發稿，無線寬帶上網業務極大地縮短了記者的發稿等待時間。No electromagnetic interference
無刷發電機爪極The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right
通過對同步發電機各種運行曲線的計算，在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響；求出了空載特性曲線和零功率負載特性曲線，在不同的電樞電流下計算得到的波梯電抗不同；求出了功角特性曲線，與不計飽和時的功角特性曲線相比較，功角穩定極限小於90 ；求出無功調節曲線，與不計飽和時相比較， u型曲線向右偏移。Abstract : it has been discovered that the coke formed in ch4 coupling under plasma can be eliminated via pure h2 discharge in the system. eliminating coke under plasma with positive or negative high voltage in dc electric field has been compared with that in ac field. the elimination of coke takes place only on the negative of the two electrodes in dc field, while on both electrodes in ac field. the coke on the reactor walls can be eliminated with either positive or negative high voltage and in either dc or ac field. based on the experimental facts, hypotheses of the reaction mechanism are suggested. quantity of eliminating coke depends on diametrical ratio between reactor and the electrode, input power and electrode materials
文摘:發現了等離子條件下甲烷偶聯反應中形成的積炭可以通過該體系中純氫氣放電而消除.將消除積炭使用直流電場的正高壓和負高壓與使用交流電場作了比較，發現直流電場中無論使用正高壓還是負高壓，只有陰極上的積炭可以被消除，而交流電場中兩極積炭均可被消除，反應器壁上的積炭在以上任何情況下均可被消除.基於實驗事實提出了機理假設.消除積炭的量與輸入功率、反應器對電極的直徑比以及電極材料有關Lppp thin films were prepared by spin coating from a solution of lppp in toluene and alq was formed by vapor deposition. different configuration devices with lppp single - layer, lppp micocavity and lppp / alq heterojunction were fabricated
利用lppp甲苯溶液旋塗制備lppp薄膜，真空蒸鍍法制備alq膜和電極，分別製作了lppp單層無腔、 lppp單層微腔、增強型lppp / alq異質結結構的有機電致發光器。We were to leave at 5 : 00 in the morning, but the call came to my hotel room that there was a little problem with the plane so we would be leaving at 8 : 00 am instead. well, at 2 : 30 in the afternoon the problem still wasn t fixed, and we were told, " it s just a little computer chip. " a tiny little computer chip and the plane couldn t fly
我們前往溫哥華，要在那裡登上他的飛機，那是一架全新的飛機，環球航空，極好的飛機我們本應于早上5點出發，但我們在酒店接到電話，飛機出了一點毛病，改為8點長話短說，到了下午2 : 30 ，飛機仍未修好，他們說是一片電腦晶片的問題，一片小小的晶片就使飛機無法起飛。Organic - inorganic nanocomposite, which are the complex of inorganic nanopraticles with organic compound, is a popular study subject in nanoscale composite. the nanocomposite can not only take advantage of several advantage, but also produce new properties. in this thesis, taking account of the problems in electrorheological fluids such as high leakage current, low yield stress and stability, the pan - batio3 nanocomposite with different structure are prepared by in - situ complex technology and modified sol - gel method
根據目前電流變液中出現的問題（如屈服應力不夠高，漏電流密度不夠低，穩定性不夠好等問題） ，基於聚苯胺有較高的熱穩定性，且密度又小，特別是聚苯胺的介電常數和電導率均可按需調整，此外，鈦酸鋇無機納米粒子作為一種無機鐵電體，在電場作用下具有自發極化的能力，一方面可以為體系提供高的介電常數，另一方面又可保證體系的絕緣性能。In addition, in the later of 80 ' s, the results obtained in weston and suzuki ' s laboratories and other laboratories showed that a new substance, christened edhf, could be released by ach or other vasoactive substances such as substance p. and the edhf could cause hyperpolarization of the vascular smooth muscle cells in an endothelium - dependent manner
除edrf外， 80年代末weston和suzuki等發現ach等血管活性物質還可使血管內皮釋放一種可使smc膜電位超極化的因子（ edhf ） 。 edhf介導的血管舒張不受血紅蛋白和亞甲藍的影響，說明其作用機制與no無關。The brushless generator claw pole developed by our company can prevent the deformation of the claw pole when rotating with high speed so as to avoid holding and touching the stator and avoid the short circuit of the generator
：無刷發電機精鍛爪極是我公司在普通精鍛爪極的基礎上開發的新品，能適應各種客戶的需求，產品性能穩定，受到客戶的好評。We can use the messages exchanged between an external application module and the wavecom gsm mobile station, based on at commands to transport data in many field areas, such as mobile vehicle monitor system, lab monitor, remote maintenance system, mobile data query, data collection system, mobile pos machine, mobile charge system, mobile 1c card telephone, fixation wireless input application, mobile data and internet input. the wireless remote controller composed of gsm short message makers the control of remote facilities has come true
基於這種模塊，以gsm網路作為無線傳輸網路，可以開發出多種前景極其樂觀的各類應用，如： gps / gsm （ sms ）移動車輛監控定位系統的應用；機房監控、基於gsm短消息業務的無線監控系統的開發設計遠程維護系統的應用；移動性數據查詢證券交易和信息查詢；數據採集系統的應用：移動叩s機，移動收費系統：移動ic卡電話、固定無線接入的應用：移動性數據和internet接入。These years along with the development of power - electronics technique and micro - control technique, permanent magnetic brushless dc motor is characterized by small volume, light weight, high efficiency, low noises, big stand - alone capability and reliability appeared and matured. so it is hopeful to become new generation submarine propulsion motor
近年來隨著電力電子技術和微控制技術的迅猛發展而成熟起來的永磁無刷直流電機具有體積小、重量輕、高效低噪、單機容量大且可靠性高的特點，從而極有希望成為新一代潛艇推進電機。Pulsar radio emission is markedly different from other astrophysical radio sources, characterised by extremely high brightness temperature and high degree of linear or circular polarization. the high brightness temperature of the pulsar radio emission implies that the underlying emission mechanism must be coherent. so far there is no widely accepted model for the radio emission. this paper discusses recent developments in studies of the production and propagation of pulsar radio emission
脈沖星的射電輻射與其他天體物理輻射源有很大的不同，因為它們有著極高的亮溫度和高度的線或圓偏振.極高的亮溫度意味著起作用的發射機制一定是相干的.至今尚無對這種輻射普遍接受的模型.本文討論了關于脈沖星的射電輻射產生和傳播研究中的新進展With the development of high power microwave tube, the theoretical and experiment investigation of the high performance cathode have been conducted. the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission, the measurement of the inner and surface fine structures of the cathode, the discussion of emission mechanism of thermionic cathode. after a lot of experiment, we finally determined the cathode preparation with an excellent emission
為了適應大功率微波管的發展，本文展開了對高性能（大電流密度、長壽命）陰極的研究，研究工作包括陰極制備工藝、鋇鎢陰極基金屬對陰極發射性能影響、以及鋇鎢陰極基底內部結構無損檢測及表面形貌檢測、鋇鎢陰極發射機理探討及應用四個方面的實驗和理論的研究。In the making process we use hot - forging warm - forging cold extrusion forming and magnetic annealing processes to completely solve the problem of complex form hign precision dimensions difficult manufacturing lower power and so on. what s more, part surface is very smooth with no trimmed margin, continuous flowing metal fiber, high strength, lower noise. forged claw poles obviously increase generator s power and life, and also improve finished product rate of roughness
在製造過程中採用了熱鍛溫鍛冷擠壓成型及磁性退火等先進生產工藝徹底解決了精鍛「爪極」形狀復雜尺寸精度高製造難度大功率低等問題，且產品表面光潔無飛邊金屬流動纖維連續毛坯強度大噪音低，明顯提高了發電機的功率和壽命，並且提高了毛坯成品率。Doubly salient electro - magnetic generato ( rdseg ) is a relatively new type of ac brushless machine, which offers an excellent balance between cost, reliability, power density, and high - speed capability. the technology of multiple channels is of help to increase the capability of the aero power - supply system
電勵磁雙凸極發電機是一種新型的交流無刷電機，它具有結構簡單、可靠性高、能量密度大及高速運行等優點。余度技術是提高航空電源系統可靠性的重要手段。Because of its unique structure and outstanding characteristics, multiple - channel brushless dc generator which is made up of doubly salient electro - magnetic generator is a new kind of one. it can improve the reliability of the power - supply system for helicopters
由於電勵磁雙凸極電機獨特的結構和優良的性能，所以由電勵磁雙凸極電機構成的多餘度無刷直流發電機是實現高可靠性直升機電源系統較為理想的一種新型無刷電機。The basic structure and operation principle of this doubly salient brushless dc starter / generator is introduced. the statistic characteristics and mathematics model of the motor is analyzed
文中介紹了雙凸極無刷直流起動發電機的基本結構和工作原理，分析了雙凸極電機的靜態特性和數學模型。Doubly salient motor is a new kind of motor. more and more attention and research efforts are given to this new motor recently because of its particular structure and high electrical performance. this paper is devoted to a novel brushless dc starter / generator system, which use doubly salient motor as its starter / generator
雙凸極電機是一種新型電機，其獨特的結構和優良的電氣性能正得到越來越多的關注和研究，本文主要對採用這種雙凸極電機的新型無刷直流起動發電系統的起動控制進行了研究。Our special multi - anodes lithium electrolysis technology, high efficient and safely lithium purifying technology, new product development capability and efficient production technology of inorganic lithium specialties are made of ganfeng three highlights
國內獨有的多陽極鋰電解技術，高效安全的低溫蒸餾提純技術，特種無機鋰的研發生產技術等構成贛鋒無機鋰產品的三大亮點。分享友人