起動通道 的英文怎麼說

中文拼音 [dòngtōngdào]
起動通道 英文
start uchannel
  • : 起Ⅰ動詞1 (站起; 坐起) rise; get up; stand up 2 (取出; 取走) draw out; remove; extract; pull 3...
  • : 通量詞(用於動作)
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • 起動 : start (a machine, etc. ); switch on起動電動機 starting motor; 起動器 starter
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發機燃燒室的冷卻設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  2. The development of single chips and analyzers at home and that of overseas compared, a kind of pocketable dual - channel and multi - function signal analyzer, based on dsp, are researched with the functions of dynamic analyzer, data logging acquisitor, start - up / coast - down analyzer and dynamic balancer, etc. and the functions data acquisition, storage, display and analysis of vibration signal are validated in practice, high - speed float point data calculation ability, large memory space and simple operation are the characteristics

    高性能單片機尤其是dsp功能晶元的採用及用戶技術要求的不斷提高,使得信號分析儀的功能越來越完善,在比較了國內外單片機和信號分析儀的發展現狀后,開發研製了一種基於浮點dsp晶元tms320c32的便攜式雙多功能信號分析儀,兼有態信號分析儀、巡檢數采器、停車分析儀、平衡儀等多種儀器的功能。
  3. A ll buildings have facades which are interactive at ground level. primary road crossings are pedestrian crossings at grade at both northern corners of the site, supported with all - weather bridges between adjoining buildings. facilities and land uses stimulating activities throughout the day, evening and weekends are called for

    放棄大廈的地下或隧設計,所有大廈于海傍交替屹立,行人由添馬艦的北面過全天候長廊于大廈穿梭,有關設施及土地空間將可支援一切于該地不論早晚及假期所進行的活
  4. Numerical study of the protuberance effects on capillary electrophoresis separation in the micro - channel

    壁面突對片上電泳分離流特性影響數值計算研究
  5. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥電機的設計進行了系統研究。首先對變頻器和變頻輥電機的運行特性進行詳細分析,變頻器輸出的電壓波形諧波大,沖擊大,電壓上升率高達6600v / s ,是普正弦交流電壓的20倍;軋機輔傳輥對電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,次數相當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。
  6. The vortex simulated in this article include the shedding vortex induced by the vane trailing edge boundary layer, the endwall vortex generated by the endwall boundary layer interaction, the passage vortex generated by the rotor rotation, and the leakage vortex generated by the tip clearance flow

    渦輪級內的渦運包括:導向器葉片尾緣附而層引的脫落渦;轉子內轉子的旋轉運產生的渦;根腳區兩個端壁附面層干涉,形成的根腳渦;存在葉尖漏流時,出現的漏流渦。
  7. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部冷卻的流與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了用的求解辦法;利用不帶擾流片的矩形直、帶順排擾流片矩形直、帶叉排擾流片、帶傾斜擾流片的矩形直的幾何模型,計算了冷卻空氣過這幾種時的流與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的高度、不同的葉片材質對葉片內部冷卻的影響,並整理得到了各種形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部冷卻強化傳熱措施?帶擾流片的內部冷卻的強化傳熱效果,過與光滑矩形直、帶針肋的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部冷卻結構的設計可以到指導的作用。
  8. The european monetary system and its exchange rate mechanism, which aimed to control exchange rate movements among member state currencies, would only be fully achieved through the establishment of a single currency and a single monetary policy

    往取消匯率波路上(這一目標的徹底實現取決于建立單一貨幣以及單一貨幣政策) ,旨在對成員國貨幣兌換率進行控制的歐洲貨幣體系及其匯率機制僅僅一個補給站的作用。
  9. With dispersion, xpm can induce intensity fluctuations and timing jitter of the pulses in the receiver. it can also cause the spectral spreading of the channel so that crosstalk is introduced. all these effects put a tight limit on the capacity of the systems

    它與色散共同作用,會導致接收端光脈沖的變形(強度伏) 、光脈沖的時間抖以及的頻譜擴展,這些後果都會限制系統的性能。
  10. Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used

    然後針對偏置量飛輪系統,基於經典控制理論設計俯仰的pid控制律,根據滾?偏航耦合的特點,分別討論了由軌角頻率和章頻率引的長周期運和短周期運。其中長周期運控制律設計時,結合了噴氣推力控制來輔助偏置量控制;短周期運控制中,為了解決不能獲得角速度信號的問題,採用terasaki提出的非最小相位控制器進行控制。
  11. ( 2 ) in high ca2 + krebs - henseleit ( k - h ) solution ( twice of normal concentration ), duration of phasic contraction induced by fac was prolonged, which was longer than 60min, and the contractile amplitude was enhanced to 58. 71 ?. 71 % ( p < 0. 01 ). after rings were incubated with nifedipine for 15min in order to block the l - type ca2 + channel, the iron induced contractile amplitude was inhibited

    脈環用硝苯毗吒( nifedpine , nif )孵育15min以阻斷卜型鈣后,再給予鐵刺檄,與未加nif的同濃度細胞外鈣離于組相比,鐵所致的收縮幅度均明顯降低(均p 0刀1 ) ,且高鈣液中鐵引的相位性收縮幅度明顯高於正常鈣組。
  12. Wdm has promoted greatly the development of optical communications, optical net based on wdm technology will become the main transmitting flat roof in telecom net. in wdm, with increasing the channel density, a new kind of optical component, interleaver, emerges as the times require. in this paper, several main interleaving technologies are analyzed quite deeply, and mgti interleaver is investigated experimentally, one prototype device with better experiment results is achieved

    波分復用技術( wdm )對于光信技術的發展到了巨大的推作用,以dwdm技術為核心的光傳送網將成為電信網的主要傳送平臺。在密集波分復用技術中,隨著復用密度的提高,一種新型光器件? ?光學梳狀濾波器( interleaver )應運而生。
  13. Road vehicles - metric starter motor pinions - part 1 : currently used pinions iso 9457 - 1 : 1991

    路車輛.米制器電機小齒輪.第1部分:普小齒
  14. When the train moves, the wheel and ' the track system will interact each other. because of the action of the wheel, the track may bright bent transformation, and the transformation change into load, which act on the foundation. then the ground will be vibration caused by the transformation spreads in the ground

    系統由鐵軌、枕木和碎石墊層組成,列車在運行時車輪與軌系統會產生相互作用,由於輪重的作用使軌產生彎曲變形,彎曲變形轉化成作用在地基上的荷載引地基振,這一振過周圍地層向外傳播,導致周圍地面的振
  15. In single crook we change the density of charge in crook to adjust the velocity profile

    電滲驅下彎的彎內外徑速度差可以過改變彎形狀和電滲強度的方法進行改善。
  16. Following the examination, the author analyzes factors contribute to the formation of these characteristics, mainly from religious function, historical influence, geographic position and physiognomy. in the end, the essay brings visual impact of the taoist temple into consideration and explores it from the perspective of environmental art. the author strives to find a more feasible and practical environmental designing project, which is, at the same time, aesthetically more valuable

    由此筆者將從教的源、發展,教建築的源流,四川地區教宮觀建築的實物以及教美學的主要觀念入手,過對建福宮現狀的考察,分析其特殊的宗教活功能、歷史性文化建築和自然地勢地貌以及景觀狀況等方面的要素,然後再針對場所環境藝術設計的視覺感等方面的要求,力圖設計一套更為合理、實用而且更加具備美學意義的環境藝術設計方案。
  17. It is legal for athletes to arrange for family, friends or coaches to hand - off eyeglasses and other special items after the swim, all such hand - offs must be made along the chute between the swim finish and the transition area

    員可以安排親友、教練于泳賽部份完畢時,協助運員收泳鏡及其它特別用具,但此必須于泳賽完結點至轉項區的內進行。
  18. The theory of fdi holds that the developing host country can draw advanced technology and capital which its country lacks. utilizing international circulating resources can help our industry to stride across the bottleneck of the supply of the key element, to establish rapidly the industry which cannot be developed at the present, promote " the upgrading of the old industries of the host country, enhance the quality of the related industries " capital, transfer the comparatively inferior industry to the comparatively superior industry, to accelerate the u pgrading of the industrial structure. however, the effect of fdi on promoting the upgrading of the host country ' s industrial structure is decided by the height of the industrial development of the emigrating country, the industrial accepting ability of the host country and the industrial leading " ability formed by fdi ' s related effect

    外商直接投資理論認為過引入外商直接投資,發展中東國可以引入本國缺乏的先進技術和資本,利用國際流資源幫助本國產業跨越原要素供給的瓶頸,迅速建立現階段自身沒有能力發展的產業,推國原產業的升級換代,提高東國關聯產業存量資本和新形成資本的質量,使相對比較劣勢的產業向比較優勢的產業轉化,加速本國產業結構升級。但是外商直接投資促進東國產業結構升級效應的高低則決定於產業轉移國的產業發展高度,東國的產業接受能力和過外商直接投資關聯效應形成產業帶的能力。
  19. The paper provides a visual modeling scheme using object - oriented technology, and does experiments for current impulse response models from model change to parameter design to graphical modeling. the frame is a visual solve for simulation analysis and transmission forecast of radio channels. on the one hand, the paper takes classic radio channels as independent objects and builds their graphical models, comes into being a visual universal model library

    本文深入研究了無線、尤其是多徑的傳輸特性,提出一種基於面向對象的可視化無線建模和模擬方案,對具有普適性的沖激響應模型進行了從模型轉換、參數設計到圖形建模等環節的實驗,建立統一的、一體化的建模模擬實驗框架,為無線移的分析、建模、模擬和傳播預測提供了一種可視化的解決方案。
  20. Considering the stability and continuity of face region, and the error propagation effect due to the high error rate in wireless channels, the intra - refresh method is used. the redundant data is not too much owing to the continuity, and the error propagation effect can be stopped accordingly

    由於視頻中出現的人臉具有穩定性,連續性等特點,同時考慮到無線移由於誤碼率高而引差錯傳播問題,所以採用幀內編碼宏塊刷新的方法。
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