電動勢源 的英文怎麼說

中文拼音 [diàndòngshìyuán]
電動勢源 英文
emf source
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 勢 : 名詞1 （勢力） power; force; influence 2 （一切事物力量表現出來的趨向） momentum; tendency 3 （自...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 電動 : motor driven; power driven; power operated電動擺 motor pendulum; 電動扳手 electric wrench; 電動泵...
  1. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  2. Any such device is called a seat of electromotive force.

    任何這樣的裝置稱為電動勢源。
  3. It ’ s often used to cover the special target in special area or is used to make false attacking situation. these small light and cheap jamming devices always are thrown to the area near the target. they are manipulated or not to jam the foe ’ s military electronic device such as radar and radio etc. the device weighs about one kilogram and is as big as mauley

    分散式干擾是在無人機機載和氣球載干擾機等形式上發展起來的電子對抗設備，通常是為了掩護特定區域的目標或在某一地區內製造假的進攻態勢，將眾多體積小、質量輕、價格便宜的小型干擾源散布在接近被干擾目標的空域、地域上，自動地或受控地對選定的軍事電子設備進行干擾。
  4. The mechanical platform of unregulated voltages, power and back - emf spikes, and the electronic platform of clean power and 5 - volt signals

    非調節電壓、電力和反電動勢峰的機械平臺以及干凈電源和5伏信號的電子平臺。
  5. Making full use of the advantages of local resources in rural areas, the government will vigorously readjust the structure of agriculture and that of the rural economy ; develop profitable and labor - intensive agriculture alongside non - agricultural industries in rural areas ; guide township enterprises to develop in line with the construction of small cities and towns ; enlarge the construction scales of infrastructure facilities such as water conservancy, communications and transportation, and electricity in the rural areas ; and promote elementary education and vocational training in the rural areas

    充分利用農村本地資源優勢，積極調整農業和農村經濟結構，發展效益農業和勞動密集型農業，發展農村非農產業，引導鄉鎮企業發展與小城鎮建設相結合，擴大農村水利、交通運輸、農村電網等基礎設施建設規模，發展農村基礎教育和職業技能培訓。
  6. It is a large sized metallurgical joint enterprises of common and special steel. there are other factories including changlin machinery group co., jiangxi electrical machines plant, jiangxi steel cable plant, where. escalators, pipe - cutting machines, non - ferrous pressing and casting, stainless steel plastic compound pipes, hi - tech honeycomb porcelain, power fork trucks, power testing machines, hail - preventing and rain - producing rocket shells and other products with high content of technology have a promising market

    長林機械集團、江西電工廠、江西鋼絲廠等一批"軍轉民"企業，憑借其設備、技術和管理優勢，研製生產的自動扶梯、管路不停輸開孔機、有色壓鑄、不銹鋼塑料復合管材、蜂窩陶瓷、電動叉車、電源校表儀、防雹增雨火箭彈等產品科技含量高，市場前景看好。
  7. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  8. Though the land of the prefecture of liangshan only accounts for 6 of the all the country, water energy resource theoretical gross of the prefecture reaches about 10. 5 % of the theoretical storage of all the country and 13. 1 % of the developable hydropower potential of all the country. it is supposed that we exploited the all developable hydropower potential of the prefecture of liangshan, annual energy output should be over 297 billion kw. h, then the annual average power consumption should be 230 kw. h to every chinese, and according to the shadow electric price of ertan hydroelectric plant, three gorges hydropower station and other hydropower station, the annual energy output will bring 74, 000, 000, 000 yuan industries production value for the prefecture of liangshan annually

    據樂觀預測，到2020年，全州用電負荷也僅在250 300萬千瓦之間，除開大型、巨型、超巨型水電站所開發的電力由國家統一購銷外，屆時中小水電站所開發的電力將形成800萬千瓦的供應能力，除在州內銷納300萬負荷外，至少還500萬千瓦的電力需要異地銷納，因此，將涼山中小型水電資源優勢轉化為經濟優勢，把水電資本轉化為經濟資本，推動涼山中小水電產業健康持續發展的關鍵在於不斷開拓水電營銷市場。
  9. For decades, beijing communications corporation has made full use of its advantages in human resource, technology and resources to deliver guaranteed tv transmission services in many major events of the state and the party. 1

    幾十年來，北京通信充分發揮她在人才、技術、資源等方面的優勢，為黨和國家的一系列重大活動中的電視傳送工作提供了全面的技術保障。
  10. Which are higher than electric driven heat pump, gas boiler, coal boiler and electric boiler. the energy grade theory analysis results also show that the energy utilization of gehp is comparatively reasonable. exergy cost of gehp is 11. 2 yuan / gj by thermoeconomic method, which is much lower than the heating price nowadays

    對比發現，燃氣機熱泵的一次能源利用率和（火用）效率均高於電動熱泵、燃氣鍋爐、燃煤鍋爐和電鍋爐；對燃氣機熱泵系統的能級分析也表示系統的能量利用過程比較合理；通過熱經濟學的分析，得出燃氣機熱泵的供熱（火用）成本為11 . 2元gj ，這個價格與現行集中供熱的價格相比還是很有優勢的。
  11. With the trend of emphasis on concealable attack and forcible ruin to military supporting systems, passive locating methods can be seen as an important direction to the development of locating methods and perfection to existing locating systems. passive locating methods have the merits of far distance, concealable receiving and low probability to be detected, compared to active locating methods. so, passive locating system can help to improve viability and battle effectiveness of the whole system in the electronic war environment

    在越來越強調軍事支援系統隱蔽攻擊和硬殺傷的趨勢下，採用被動方式工作的無源定位方法作為定位方法發展的一個重要方向和對現有定位系統的完善，較有源定位方法具有作用距離遠、隱蔽接收、不易被對方發覺的優點，對于提高系統在電子戰環境下的生存能力和作戰能力具有重要作用，同時在航海、航空、宇航、偵察、測控、救援和地球物理學研究中有著廣闊的應用前景。
  12. Secondly, a wind resource database and a wind power feasibility study projects database are designed. the algorithms of wind resource characteristic indices calculation and the methods of wind power project assessment are presented. and related application programme has also been deve1oped. at last, active web pages are designed and developed by using the asp technoiogy, which enable the information transmitted from the wind power database to the internet

    首先，通過比較分析客戶服務器模式與瀏覽器服務器模式的優缺點，提出了兩種模式混合運行、優勢互補的解決方案，使得系統既具有跨平臺、跨區域特性，又不浪費已有資源；其次，進行了風資源和風力發電可研項目數據庫的設計，提出了風資源特性指標的計算方法和風電項目可行性的評價方法，並開發出相應的客戶端應用軟體；最後，運用asp技術進行了動態交互web頁面的設計開發，實現數據庫信息的internet發布。
  13. This thesis analyses from following angles why speeding hydroelectric power exploitation is necessary for social and economic sustainable development of sichuan province : first, structure of power and resource of sichuan province requires accelerating hydroelectric power exploitation ; second, abundant water resource is advantageous for sichuan accelerating hydroelectric power exploitation ; third, comprehensive benefit results from hydroelectric power projects demands accelerating hydroelectric power exploitation ; forth, hydroelectric power exploitation stimulates development of other crafts ; fifth, construction of large scale project is beneficial for reducing resource cost of the whole society ; last, the process of hydroelectric power exploitation usually consists of much scientific and technological content

    本文從下述幾個方面分析了大力發展水電是四川社會和經濟可持續發展的必然選擇：四川的能源資源結構要求大力開發水電；四川水能資源的優勢要求大力開發水電；水電工程巨大的綜合經濟利用效益要求大力開發水電，水電工程除了發電效益外，一般還兼有防洪、灌溉、供水、航運、養殖、旅遊等社會效益，水電站的綜合利用可以為社會創造巨大的社會和經濟效益，造福一方；水電開發對經濟廣泛的拉動作用要求大力開發水電；大型水電建設有利於降低全社會資源損耗；水能資源的開發利用過程具有較高的科技含量。
  14. As a result, the fermi level at the surface will shift towards the valence band maximum ( vbm ). accordingly the band bending increases, and the surface depletion layer thickness enhances, therefore, the channel thickness reduces. this is the main factor resulting in the decrease of saturated drain - source current

    表面費米能級向價帶頂移動，能帶彎曲加劇，肖特基勢壘高度增加，表面耗盡層變厚，導電溝道變窄，是導致源漏飽和電流下降的主要因素。
  15. Following the principle “ content is the king of media business ” and gifted with strong resources of the government, industries, experts and readers, cen reflects industrial hot issues and markets ' trends, and organizes comprehensive marketing activities and high - end forums on certain subject regularly

    在遵循內容為王的基礎上， 《中國電子報》充分利用自身擁有的政府資源、行業資源、專家資源和讀者資源，圍繞產業熱點和市場趨勢，定期舉辦綜合性市場或專題研討活動。
  16. Fuel cells have proven their merits in orbit ; nasa has used them to generate electrical power for manned space missions

    燃料電池已經在軌道中證明了它們的優勢：美國國家航空和宇宙航行局用它們啟動載人航天任務的電源。
  17. Auto power cut - off when standby for 30 minutes or temperature test system failure. it achieves energy save, safety and prolongs life of heater

    當30分鐘閑置，或測溫系統出現故障，如焊咀溫度低於警誡線，發熱芯或線路板發生故障時，自動切斷電源，具安全，省電及延長芯頭壽命的優勢。
  18. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ，街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落，但隨著都會地區機動車輛不斷增加，道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際，輕軌車輛技術已不斷提升，具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計，搭配先進控制系統及彈性的路權型式，使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點，如高性能輕軌列車與汽車共存，低底盤的車廂創造無障礙車站空間，道路即是車站設備，旅客可以在街區上下車，提供沿線居民高度的便利性，消除交通堵塞噪音及空氣污染等，輕軌系統並與街景充分的調和，成為活動的都市意象。
  19. It introduce the basic circumstances of beijing dynamic power co ; ltd. and analyze the swift mains trade of communications, according to the analysis of the major competitor, the growth of the market, the changing of customer, market shares, the author summarizes the conclusion that dynamic power is more competitive in the following aspects : quality of products, degree of customers " acceptance ; lower costs of products ; sufficient client resources, wide - spread and ripe net of sales and services ; powerful development ability and production ability, there also exits factors that threaten dynamic power. for example. unsteady relations with clients, the limits to the bottom of the price, and the competition between various brands

    本文以真實案例為背景，介紹了北京動力源科技股份有限公司的基本情況，分析了其主打產品? ?通信開關電源的行業結構，通過對動力源公司的競爭對手情況、市場增長情況、客戶變化情況、市場份額等問題進行逐一分析，總結出了動力源公司在行業中作為市場挑戰者的競爭地位及自身的五項競爭優勢：小容量系統產品質量好、客戶認可度高；產品的成本低；在中國聯通方面擁有一定的客戶資源優勢；已擁有覆蓋面廣泛且成熟的銷售服務網路；產品開發能力強、模塊生產能力大。
  20. 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。
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