推進特性試驗 的英文怎麼說

中文拼音 [tuījìntèxìngshìyàn]
推進特性試驗 英文
puopulsion characteristic test
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 進 : 進構詞成分。
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 推進 : 1 （推動工作 使前進） push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  • 試驗 : trial; experiment; test
  1. The effect of cutting speed, cutting thickness, cutting knife and materials on the working power capacity is discussed. finally tractive property of road plane milling machine is also studied. through the comparison of the results of theory calculation and experimental results the equation of working power capacity of milling machine is modified

    本文對冷式瀝青路面銑刨機的動力學工作過程進行了理論分析與試驗研究，並利用金屬材料切削的基本原理，研究了主切削力，並從能量轉化守恆的角度推導了銑刨機銑刨作業阻力和功率計算公式，討論了機器切削速度、銑刨厚度以及刀具與材料特性對銑刨作業阻力和功率的影響規律，最後討論了銑刨機牽引性能，且通過試驗研究驗證了銑刨作業阻力和功率公式。
  2. 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。
  3. The evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures

    敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程，介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況，這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平
  4. Abstract : the evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures

    文摘:敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程，介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況，這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平
  5. Aerospace series - space systems - fluid characteristics, sampling and test methods - nitrogen tetroxide propellants

    航空航天系統.航天系統.流體特性抽樣和試驗方法.四氧化氮推進劑
  6. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。
  7. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣
  8. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法，對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究，得到了大量重要結果。
  9. These days, automatic measuring system has new approach for the computers a great deal application. improving the precision and speed of motor test, carrying motor identity testing and adopting new testing method becomes feasibility because of the technique of electron developed rapidly in latter - day

    近年來，計算機的大量推廣應用為自動測試系統的發展開拓了新的途徑，近代電子技術的迅速發展又為提高電機試驗的精度和速度、進行電機特性測試及採用新的測試方法提供了可能性，進一步推動了電機測試技術的發展。
  10. In order to effectively determine the position and distribution of porosities in laser welding sampes with complex structure, a preliminary research was proceeded on the distribtion features of porosities and a formula which can calculate the buried depth of porosities was deduced based on the line profile distribution curve of the flaw position

    為了確定復雜結構激光焊件焊縫中氣孔缺陷的位置和分佈，對氣孔缺陷的分佈特徵進行了研究，推導出氣孔缺陷埋藏深度的計算公式，設計了峰值異常缺陷和斜凹型異常缺陷投影距離自動提取演算法，確定了缺陷在鈦合金激光焊件中的分佈特徵，並通過模擬試件的破壞性試驗對該公式進行了驗證。
  11. In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value

    第三章採用大渦模擬亞格子渦粘模型，對巖灘混流式水輪機的流場進行三維非定常湍流分析，得到了流場中各物理量的脈動特性，計算出ms的軸向水推力與模型試驗值大小相當；同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。
  12. In accordance to the defects presented in using the chinese road asphalt technical standards to assess the asphalt performance as well as the facts that the shrp test equipment of usa can not be widely employed in china since its being very expensive, the shrp rheological concept is utilized in the research project to carry out the exploration of the rheological properties of modified and non - modified asphalt by using conventional tests such as penetration and ductility. the conclusions obtained by using the conventional test rheological index to assess asphalt performance are compared with those by using the shrp rheological index and their certain correlation are found

    針對目前我國道路石油瀝青技術標準評價瀝青路用性能存在的種種缺陷，以及美國shrp試驗設備因其昂貴性而暫時無法在國內大量推廣應用這一事實，本課題試圖利用shrp流變思想，採用針入度、延度等常規試驗設備進行改性及非改性瀝青流變特性的研究，並將常規試驗流變指標評價瀝青路用性能的結論與shrp流變指標評價結論作比較，找出它們之間的相關關系，從而肯定了採用常規試驗設備進行瀝青流變特性及路用性能研究的有效性。
  13. The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk, the elastic and plastic deform of stalk under the action of the transverse loads, the mechanics condition which causes stalk pushed, the relation between the speed of unit and the surface radius of ski, the relevant location between the thickness of the compressed stalk and action location of load, the relevant location between the mating device and plough, the coefficient of overturning soil under the thickness of the compressed stalk and so on. in addition, the computer aided analysis and simulating experiments in field were acted by choice

    本文對秸稈自倒伏力學特性；橫向載荷作用下的莖稈彈塑性變形與秸稈被推倒的力學條件；機組作業速度與滑撬曲面半徑的關系；秸稈壓實厚度與加載作用點的相對位置；配套裝置與犁體相對位置；秸稈壓實厚度下的翻垡系數等，進行了較詳細的理論分析並建立了相關數學模型。在此基礎上，本項研究還選擇性地進行了計算機輔助分析和田間模擬試驗。
  14. Take middle - east district of taipusi banner as study area in the paper, combining field observation test ( pumping test and field survey ) with indoor experiment ( granule analysis and organic matter analysis etc ), based on the relationship between hydrological parameters and physical - chemistry characteristic parameters of formation, the variability of aquifer parameters and physical - chemistry parameters of unsaturated zone have been also analyzed. the aquifer system of the taipusi banner is identified and analyzed by using the internal and outside information. on the basis of real pumping of ground water, the water resources evaluated by the water balance method

    本文以太僕寺旗中東部地區為研究區域，採用野外試驗（抽水試驗、實地調查）和室內實驗（顆分、有機質等實驗）相結合的方法，推求了研究區含水層系統的水文水利參數，在系統模擬含水層水理參數與巖性物理化學特徵參數之間的關系基礎上，進一步分析了含水層參數及其包氣帶的物理、化學特徵參數的空間變化特徵，並利用其內外部信息對太僕寺旗含水層系統進行了辯識與分析；以現狀地下水開采量為依據，採用水均衡法評價了研究區水資源總量，並利用有限單元法來模擬分析驗證。
  15. Relying on the yearly scientific research item of the guangdong province department, the dissertation firstly analyses the mechanical and structural characteristics of sma mixture, moreover, gives an elaborate discourse on some issues in prevalent design method of sma and relevant tests such as the computing of the theoretical maximum density, evaluation of initial asphalt content in designing sma mixture and computing of rut index. at the same time suggestions for improvement are offered. subsequently, through research on asphalt and modified asphalt with ldpe test and by means of indoor test of sma mixture, the detailed analyses for the modified asphalt with ldpe and road performance of sma is discussed, finally, the applicable method and principal of sma mixture design in jiangsu province was recommended

    本文以廣東省交通廳年度科研項目《 sma推廣應用研究》為依託，採用理論與實踐相結合的方法，首先從理論上分析了sma混合料的力學及結構特點，對現行的sma配合比設計以及試驗中最大理論密度的計算、初始瀝青用量預估和車轍指標等問題進行了較為詳盡的闡述與分析，並提出了相應的改進建議；然後再通過對瀝青與改性瀝青試驗、 sma混合料室內試驗等，對pe改性瀝青以及sma混合料的各項路用性能的試驗結果進行了較為細致的分析，最後提出了適合於廣東地區sma設計的方法原則。
  16. The procedure of the test is as follows : first, the piezoelectric stack has been examined to test the performance parameters of the piezoelectric material ; second, the 2 - x actuator has been functioned with different static voltage to test its capability ; last, function the 2 - x actuator with voltage with different frequencies to test its dynamic properties. all the output of the actuator has been measured by the laser vibration measurement

    首先對壓電堆進行試驗，驗證壓電材料的性能參數;再對推挽式雙x驅動器施加不同的靜電壓驅動它，驗證作動器的驅動能力，最後對推挽式雙x驅動器輸入不同頻率的電壓驅動，測量該驅動機構的動態特性，試驗均採用激光測試儀測量推挽式雙x驅動器的輸出特性。
  17. With practical example of hydro - pneumatic spring, the valves parameters is designed with the methods of the analytics desgin and influence coefficients, the deigned parameters is validated, and the performance test is conducted for the designed hydro - pneumatic spring

    通過實例，對閥系參數進行解析設計和影響系數推算設計，並對兩種方法設計值進行比較，校核閥系設計參數，進行設計油氣彈簧的特性試驗。
  18. In this paper, based on the theory of radial - thrust floating ring hybrid bearing, the dynamic characteristic test for this kind of hybrid bearing is accomplished on the self - made test stand, the dynamic characteristics of the testing bearing are got, and the dynamic characteristic coefficients of the thrust part of the bearing are measured for the first time, the result of the test is compared with the theoretical calculation

    本文是在徑向?推力聯合浮環動靜壓軸承理論研究的基礎上，利用自製的實驗臺完成了對該軸承的動特性試驗研究，首次得到了測試軸承的動態特性，並將實驗結果和理論計算進行了對比。
  19. Adding injection on bottom or fore wall of cavity, based on chief injections on upstream, provides worse lean flameholding performance. experiments on the drag of cavity flame holder were conducted by force measurement system

    利用直連式試驗臺推力測量系統，對凹腔火焰穩定器的阻力特性進行了試驗研究，主要對不同噴注方式、不同當量比時的熱試阻力特性進行了對比和分析。
  20. The experiment research of the energy characteristics of the solid propellant of the over - storage solid rocket motors

    超期貯存發動機固體推進劑能量特性試驗研究
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