轉速級數 的英文怎麼說

中文拼音 [zhuǎnshǔ]
轉速級數 英文
number of speeds
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • : 數副詞(屢次) frequently; repeatedly
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  • 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
  1. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行值模擬;最後提出在分流煙道彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下空氣預熱器出口、熱管空氣預熱器進口處的斷面度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻化的作用。
  2. High - speed, muti - services and economy have become the major issues of the future ip backbone technology as far as thes poiflt is concerned, thes paper explores layer 3 switdrig technology which separates control component and forward compontal in the traditional roulers. two forwarding al gori thms - - - - d ata - driven mo d el and top olo gy driven model are also compared, a next generation ip backbone echno l o gy - - - - multiproto co l label switching is developed, with its operation and its deployinent in traffic engineering, c1ass - ofservce and virtual private network

    本文從未來ip骨幹網技術所要求的高化、多業務支持、經濟性出發,介紹了在傳統路由器基礎上將控制部件和發部件分離的第三層交換技術,比較了據驅動模型和控制驅動(拓撲驅動)模型兩種發演算法,並由此引出下一代ip骨幹網路技術? ?多協議標記交換,闡述了其工作原理以及在流量工程、服務等區分和虛擬專用網中的應用。
  3. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  4. Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step

    在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后,針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢,設計了一種基於金屬帶式無自動變器cvt混合動力汽車動力傳動系統方案,根據該傳動系統方案制定了比較合理的控制策略和工作模式,並針對長安之星6350b設計了發動機功率和起始矩、主減比、電機的額定功率和矩、矩合成器比等相關參,為下一步的電機控制系統模擬實驗打下基礎。
  5. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中,採用高的dsp處理器,實現了對故障特徵信息的高採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及字信號的串並換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。
  6. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  7. Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking

    本文針對輸入功率為1 . 5kw ,最大輸出,額定輸出的無器的設計要求,並考慮到傳動角及變比等因素,在運動學模擬的基礎上,對運動學參進行了優化;本文對變換器連續作用的初始裝配條件進行了理論分析與研究,對輸入、輸出變換器作了結構尺寸的設計,並進行了強度校核計算;本文還對變器調系統中主要傳動構件在滿足操作的靈敏度、精度、自鎖性的基礎上進行了結構設計;最後採用workingmodel3d軟體,進行虛擬樣機的計算機輔助模擬設計及運動學和動力學計算。
  8. 1 ) the principles of various rotary - type transplanting mechanisms of high - speed rice transplanter had been studied, and the subjects for further research - - studying their dynamics characteristics to improve their dynamics performance and further to enhance the efficiency were put forward. an innovative idea of two - stage - optimization for dynamics analysis was presented in the paper. the creativity of the idea was that the kinematics optimization ( first stage optimization ) results were the constraint for dynamics optimization ( the second stage optimization )

    本文主要的研究內容和結果如下: 1 )研究國內外各種類型的旋式高水稻插秧機分插機構的工作原理,指出尚待研究的問題? ?研究其動力學特性,以改善動力學特性,進一步提高插次;為此提出了動力學兩優化的創新性思路? ?以運動學優化( 1優化)得到的機構參范圍作為動力學優化( 2優化)的約束條件,最終得到的最佳參不僅能滿足運動學的要求,又具有最佳的動力學特性。
  9. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子激光增益產生的機制、研究了驅動場的rabi頻率、粒子注入率比值r _ b / r _ c 、粒子退出率r _ o 、能間的自發衰減率r _ ( c - b ) 、 r _ ( a - b )和非相干泵浦率r對增益、色散和粒子差的影響;第二節討論了驅動場和探測場的失諧對無粒子激光增益的影響。
  10. Miraball is a powerful advertising tool, making use of the persistence of vision. when a row or several rows of ultra brighter wide angle led spins at 2000 - 2200rpm, the built - in cpu commands the led dots light up or go out at a very accurate pre - programmed sequence, the user ' s desired texts and wild miraculously appear and float inside a crystal - like ball to catch all eyes

    二:魔球是一實用新型的消費前沿動態廣告信息的發布媒體,內置微電腦晶元處理經個人電腦預先編輯后存於記憶體內的圖信息后,按非常精確的時序不斷點亮和熄滅,在一列或更高廣角發光二管列陣中特定的點,在人眼視覺暫留作用下,用戶想要的圖文就會神奇地浮現在球體內360度的視覺空間中。
  11. Unlike oil pumps for traditional industries, our dry pumps are specified for the use of semiconductor companies. the rotor of vacuum space is not sealed with oil, but with the application of the minute clearance and high - speed rotation. therefore, a special demand is laid on the precision manufacture techniques, assembly procedures and profile design of roots rotor

    以乾式真空幫浦為例,在2001年2月第一臺賣出去以來,已賣出百臺,本乾式真空幫浦等屬於半導體廠專用乾式真空幫浦,不同於傳統產業使用的油式真空幫浦,旋子真空腔體內不用油去密封,而是用微小的間隙配合高子進行密封,因此特別講究精密加工技術精密組裝技術魯氏子線型設計。
  12. In chapter 2, we analyzed the effect of the driving field phase fluctuation on the gain and dispersion and population differences in an open v - type three - level non - inversion lasing system and then discussed the effects of the incoherent pumping rate, the ratio of the atomic injection rates, the atomic exit rate, the rabi frequency of the probe and driving fields and their corresponding detuning on the gain, dispersion and population differences of the system, and got some important conclusions different from those in closed or other open systems

    第二章討論了驅動場的相位漲落對開放的v型三能無反激光系統的影響,根據解析解的值計算結果討論了非相干泵浦率、粒子注入率之比、粒子退出率、探測場和驅動場的rabi頻率和相應失諧對系統增益、色散和粒子差的影響,得到了一些不同於封閉的v型系統及其他開放的無反激光系統的重要結論。
  13. Furthermore, it was the first time to make a systemic analysis and study to the motion rule and affected factors of this kind of transformer. with the applications of relative polar method and equal view angle method, the transformer that satisfies the requirement of transmission rate and output motion is synthesized. thus, an original non - frictional stepless speed regulator with a 1. 5kw input power, a 1500 rotation speed, a constant150output rotation speed and a maximum 300 output rotation speed was achieved

    在此基礎上利用相對極點法和等視角法按傳動比及輸出運動的要求對換器進行了綜合,得出了輸入功率1 . 5kw ,輸入1500 ,額定輸出為150 ,最大輸出300的新型的非摩擦式無器的基本尺寸參並應用adams軟體對其進行了優化;最後對該非摩擦式無器進行了過約束分析,提出了新型的非摩擦式無器無過約束分析的機構運動副的配置方案。
  14. The constitution, interface and control principle of main circuit, rectifier control module, inverter control module, generator ' s rotor speed and rotor position measuring module, information exchange module are discussed. specially, the methods of implementing signals level match in multi - voltage system, synchronizing with pc in parameters measurement and measuring rotor speed and rotor position with high precision are explained in detail

    文中討論了主電路、整流器控制模塊、逆變器控制模塊、電機子位置測量模塊以及信息交換模塊的組成、介面方法和控制原理,詳細說明了系統中實現不同電壓等間信號電平匹配的方法、系統與上位機進行同步參測量的方法以及實現高精度電機子位置測量的方法。
  15. Cosb3 micrometer powder has been synthesized by solid - state reaction. cosb3 nano - powders were prepared by high - energy ball - milling respectively. the influence of mass ratio of big balls and small balls, milling speed and time on particles size of cosb3 powder, were investigated

    採用固相反應法合成了平均晶徑約為3 m單相cosb _ 3粉體,採用高能球磨法制備了納米cosb _ 3化合物粉體,研究了球磨參(球料比、配、和時間)對粉體顆粒尺寸的影響。
  16. With simple mechanical construction, thismachine can be easily operated, and the rotating of working pieces is stepless with numerical display, as well as for the table movement

    機床結構簡單操作方便,工件的旋為無調字顯示大小,工作臺[工件往復]為無調
  17. 2, the friction coefficient at the pitch point is not a monotonic quantity of the rational speed or the load, instead of having a maximum value. and the value of the friction coefficient is very small, its order of magnitude only being 10 - 3. so, it is reasonable that the friction force on teeth surfaces are ignored when the gear - driven contact fatigue strength is designed

    2 、當輪齒在節點嚙合時,隨著或載荷的變化,齒面摩擦系並非呈單調變化,而是存在極值點;節點嚙合處的齒面摩擦系很小,其為10一, ,因此在做齒輪強度設計時,忽略齒面摩擦力的影響是有理論根據的。
  18. This controlling way can make the passengers feel much comfortable and make the bus air - conditions work with a high efficiency. in this thesis, a single - chip microcomputer fuzzy controlling system with mcu : at89c51 is designed to deal with the bus whole air - condition composed with refrigerating system and heating system. via controlling the open of temperature door, turnaround speed of evaporator fan and subsidiary engine, it can control temperature of railway carriage

    本論文針對獨立式全空調型(完全合一型)客車空調系統,設計了一個以at89c51為核心的採用模糊控制演算法的嵌入式單片機控制系統,通過控制溫度門的開口角度、蒸發器風扇的、輔助發動機的來控制車廂內的溫度,通過壓縮機的開、停對蒸發器除霜,系統具有溫度顯示、用戶設定的分擋多溫度控制、在線控制參修改等功能。
  19. According to the relationship between different transmission gears of rotatioft drive system, the system ' s torsion vibration model was built. the method of how to calculation the parameters and how to solve differential equation by state space method was presented in the paper

    根據成角和角驅動系統中傳動之間的扭矩和角度的傳遞關系建立了兩個系統的扭振學模型,具體給出了扭振動學模型中各個參的確定方法和應用狀態空間法求解該系統扭振模型二階微分方程的方法。
  20. The models for engine system and eq6480 bus equipped with metal pushing v - belt cvt are established, the performance curve fitting of eq491 engine is made, simulation analyses are followed so as to confirm the effectiveness of the control scheme. 3

    在臺架實驗的基礎上,對eq491發動機特性進行雙參擬合,得出矩、油耗與和油門開度的關系,對裝有金屬帶式cvt系統的eq6480中高客車進行了發動機和整車的建模,確認了控制策略。
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