牽引效率 的英文怎麼說

中文拼音 [qiānyǐnxiàolǜ]
牽引效率 英文
propulsive efficiency
  • 牽 : Ⅰ動詞1 （拉） lead along （by holding the hand the halter etc ）; pull 2 （牽涉） involve; implic...
  • 引 : Ⅰ動詞1 （牽引; 拉） draw; stretch 2 （引導） lead; guide 3 （離開） leave 4 （伸著） stretch 5 （...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 牽引 : 1 （拉） tow; drag; draw; haul; pull; draft 2 [中醫] traction; 牽引車 [機械工程] drafter; tractor...
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  1. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。
  2. Generalizing and applying this equipment, we can make general dredge and tow wire rope safer, and greatly improve the succeeding rate and efficiency of sampling

    可以使常規拖網取樣器和牽引鋼纜更加安全，並大大提高拖網作業的成功率與效率。
  3. With the speed up of railway transportation, the lightening design of vehicle seems to be more and more important. reducing the weight of vehicle can not only reduce the consumption of the raw materials and the power of traction, and increase the operation speed and improve the starting and braking performance of trains, but also has the advantageous to reduce the wheel / rail interaction forces, vibration and noise, increase the service life of the vehicle and the track, and economize the cost of transportation

    隨著鐵路運輸速度的提高，車輛的輕量化顯得越來越重要，減輕車輛自重，不僅可以減少原材料的消耗，有利於降低牽引功率，提高列車的運行速度，改善列車的啟動和制動性能，而且可以有效的減少輪軌間的動力作用，減少振動和噪音，增加車輛和線路的使用壽命，節約運輸成本。
  4. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。
  5. Now the affect and the measure of hypo _ harmonics is in the research. the influence of negative sequence is almost eliminated along with the enlargement of the system ' s capacity and the alternate connection of traction substations. the fixed parallel compensate equipment applied in traction substations consist of a constant capacitor and a constant inductance, so its output is constant

    負序電流的問題已經因系統容量的增大、牽引變電所採用輪換接線方式而基本解決，電力部門實行的「反轉正計」 ，使採用對無功功率固定補償方式由於牽引負荷變化頻繁而出現補償容量不足或過補償現象，難以達到滿意效果。
  6. According to the case studies on japan & russia, the author found out : informal institutions lead the changes of corporate governance through pathway dependence & institutional complementation like a pair of invisible hands ; the combination of original informal institutions and extrinsic formal institutions would improve the performance of corporate governance in the beginning, but as time goes by, which would become a great obstacle, the effectiveness of corporate governance was strongly affected by informal institution

    通過對日俄兩國的實證研究，筆者發現:非正式制度通過制度互補和路徑依賴如無形之手一般牽引著日俄公司治理演變的歷史進程，日俄原有非正式制度與外來正式制度的結合開始有利於公司治理效率的提高，但隨著時間的推移，卻成為公司治理效率提高的阻礙。這對中國公司治理的完善具有深刻的啟示意義。
  7. The calculation method of technical parameters of maximum output power, the short time power and continued power ( equivalent heating ) in electric braking are derived from analyzing the relationship of maximum regenerative power with resistance value of ground absorption equipment, model of traction power supply, train circuit and network voltage drop while performing electric braking

    通過分析列車電制動時的最大再生功率與電阻吸收裝置的電阻值、電制動時刻牽引供電系統的模型、列車電流、網壓降之間的關系，導出了列車電制動時最大輸出功率、地面電阻吸收裝置的短時功率和持續（等效發熱）功率等技術參數的計算方法。
  8. On the exhibition of northeast asian new and high technology and product 2004, the vice mayor of shenyang city wang ying introduced to the attendances that on the schedule of shenyang city revolution and opening up ten fields can offer good cooperation opportunities to the other countries and areas of domestic enterprises, the complete automobile and spare parts manufacturing is one of this fields. shenyang automobile industry has special features also has the most brands in our country, such shenyang is also the deeply degree of opening up, bmw of germen, ge of american, hino of japan

    專業人士表示，後置后驅車輛的重量集中於汽車的後部，發動機距驅動軸很近，因而驅動輪負荷大，啟動加速時牽引力大，且傳動效率高，燃油經濟性好發動機等主要部件後置有利於車身內部布置，車廂內的面積利用率高，且易於將發動機與車廂隔開，減少車廂內的振動和噪聲，乘坐舒適性良好。
  9. This new technology changes from the traditional method by which the induced and compressor wheel separately are designed and produced to a new one by which the one - piece compressor is designed. on the basis of this new technology and the optimum blade profile, the performance of both the compressor and the turbocharger is largely improved. through the heating power calculation of the compressor, the analysis of the surge and the block of the compressor, the test - bed performance test of the turbocharger, the matching test of turbocharger and diesel engine, the propulsion test of the turbocharger on plateau condition, it is proved that the newly - designed compressor not only has high efficiency, but also improves the flow distribution in the high efficiency area so that the propulsion line can run through the high efficiency area

    主要內容包括：提出一種全新的壓氣機葉輪技術和概念，這種技術將傳統的導風輪和壓氣機分開設計、單獨加工改為整體設計、整體加工的單體葉輪；從增壓器與柴油機配機計算所得出的基本參數出發，通過對壓氣機進行熱力計算，確定壓氣機的基本結構參數；再對葉型以及葉輪輪廓與葉輪罩殼的配合間隙進行優化，對新設計的壓氣機進行喘振和堵塞分析；通過增壓器平臺性能試驗，驗證了新設計的壓氣機的性能水平得到了較大的提高，達到了提高增壓器的整體性能水平的目的；通過增壓器與柴油機配機試驗、以及增壓器用於高原條件下的牽引試驗，驗證了新設計的壓氣機不但具有高效率，還改善了高效率區的流量分佈，使牽引特性線貫穿高效率區。
  10. At present, traction motor testing devices in most railway factories and segments adopt handwork control, manual reading instruments and recording data. this method ca n ' t meet motor testing demand because of low efficiency and hard labor

    目前，我國大部分廠、段的牽引電機試驗臺都是手工控制、人工讀表記錄試驗數據；效率低下，且勞動強度大，已不能滿足牽引電機試驗的要求。
  11. Research on lim thrust, efficiency and control scheme is made to conclude some measures of improving lim performance. and the electromagnetism resistance in maglev traffic is discussed in order to see the interaction mechanism of electromagnetism. firstly, the characters of lim are analyzed by simulation

    本文圍繞直線感應電機牽引系統的性能展開研究，其中涉及了直線牽引過程中的推力、效率、控制方法以及磁浮交通中的電磁阻力等問題，為提升直線牽引系統性能及明確電磁作用機理提供了參考。
  12. The pictures of probabilistic characteristic in both sides of impendence matching balance transformers are drawn, and probabilistic density figures are also given. the simulation model of shaoshan 4 electrical tractor is raised, at the same time facing the restriction of probabilistic method, the paper raised that using monte carlo simulation absorbed harmonics currents of the model of electrical tractor and simulated the superposition of low harmonics currents. through compared with real time data, the monte carlo simulation can be confirmed, and the breakthrough point of restriction of using probabilistic method is discussed

    為了有效模擬機車在運行中所產生的諧波電流，本文在matlab的平臺空間中建立了韶山4型電力機車的模擬模型，導入到matlab運算程序中，對低次諧波電流疊加進行模擬，從而證實了蒙特卡羅模擬法仍然是目前較為可靠可行的方法，同時討論了在電牽引系統中針對低次多諧波源疊加使用基於中心極限定理的概率分析方法必須使用相關參數進行修正，即需要和電力機車的帶電運行方式有機的結合在一起。
  13. Secondly, the paper focuses on the efficiency of inference engine. considering the fact that rdb stores the knowledge, we use the following steps : the relational construction and granularity disassembling of knowledge, implicational inference. beyond the above, we consider the advantages of rdb and unite the technology of database ' s index, association and filter to project a mixed inference mechanism

    二是在推理機的推理效率方面，利用知識存儲在數據庫中這一事實， hkbe使用了：知識的關系型構造和粒度分解、牽連推理；並考慮關系型知識庫的特點結合數據庫的索引、關聯和過濾技術，使用混合推理機制。
  14. It uses traditional methods to calculate and check the key parameters of crawlers " kinematics, dynamics and hydraulic drive systems and analyze and study the traction characteristics of hydraulic systems. then it also sets up the complete mathematical model of dynamic characteristics for the whole drive system, and carries out the simulation and analysis of dynamic characteristics through simulating model set up by matlab software

    採用傳統方法對推土機的運動學、動力學以及液壓驅動系統的關鍵參數進行了分析計算和校核，並結合效率進行了驅動系統牽引特性的分析與研究，在此基礎上建立了驅動系統的動態特性數學模型，利用matlab語言建立模擬模型，完成了驅動系統動態特性模擬分析。
  15. Based on the facts in our country, this paper raised that the method of probability should be used in electrical tractor system. and at the same time, the main problems and availableln of this method. based on matlab, the model of probabilistic method and monte carlo simulation in superposition multi - harmonics sources are compared

    與此同時，探討了目前國內外對該問題處理所使用的方法的局限性和缺陷，針對本國的電牽引系統的實際情況，提出了在電牽引系統的多諧波疊加中使用基於中心極限定理的概率分析方法，指出針對高次諧波運用該方法的可靠性和對低次諧波不能有效模擬的原因所在。
  16. As for the state own enterprise a rather complicated social economic entity, it is imperative to erect a complete and health evaluation system, that is the performance appraisal system, and through this system, we can reach the following goals : a ) to which extent the employees give the enterprise ; b ) with the incentive system, a considerable high performance of the enterprise can be maintained

    通過建立系統化的考評制度，不僅全面、客觀、科學地評價企業中被考評者對實現國有企業整體目標的貢獻程度，而且配以合理的激勵機製作牽引，以有效地調動個體與組織的積極性和創造潛能，持續提高其績效水平，促進國有企業工作效率的提高和多元化目標的完成。
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