逆速試驗 的英文怎麼說

中文拼音 [shìyàn]
逆速試驗 英文
reverse speed test
  • : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. The property shows that the maximal solution is well - conditioned. two new iteration methods for finding the maximal solution are proposed. of these two methods, one is a linearly convergent iteration without matrix inversion, and one is related to newton s method and quadratically convergent

    這2種方法,一種是線性收斂的,其優點是迭代過程不需要求矩陣的另一種是二次收斂的,數值的結果表明該方法在計算度和精度方面都明顯地優于現有的其他幾種迭代方法。
  2. In a word, wbaer can effectively remove micro - quantity hmi from dk with alkali metals, alkaline - earth metals and anions at high concentration. on the basis of lots of regeneration experiments of wbaer ( d301g ), the best regeneration manner ( regurgitation regeneration ), the optimal regeneration agents ( h2so4 and naoh ) and the optimum operating parameters of regeneration are obtained

    論文進而對d301g型弱堿性陰離子交換樹脂進行了再生研究,確定了最佳再生方式(流再生) ,最佳再生劑( h2so4和naoh )以及酸液再生時的最佳濃度范圍( 2 % 4 % )和最佳流范圍( 3 4m / h ) ;並通過正交確定了流再生過程中的最佳運行參數組合。
  3. For researching the flight test techniques of thrust vector controlled aircraft, dynamic models of thrust vector controlled aircraft were established, four post stall maneuver control laws were designed with the dynamic inverse method, tested and investigated according to a standard evaluation maneuver set ( stems )

    摘要為研究推力矢量飛機的飛技術,建立了推力矢量飛機的動力學模型,用動態方法設計了4種過失機動控制律,並在地面飛行模擬器上參考標準評估機動動作集( stems )進行了飛行模擬研究。
  4. Under the test conditions of ud = 2800v and 350hz switching frequency, the current in three phase inverting test reached to loooar. m. s, which can fully meet the requirements of 350km / h emu with 2600v link voltage and 950ar

    在中間直流環節電壓u _ d = 2800v ,開關頻率為350hz的條件下,變的電流達到了1000ar . m . s ,完全能夠滿足350km h高動車組對變流器中間電壓2600v 、輸出電流為950ar . m . s的要求,表明了地面機組的研究獲得了成功。
  5. Parameter estimation of the weibull distribution tampered failure rate model under a normal stress

    分佈步進應力加壽命損傷失效率模型參數的近似極大似然估計和矩估計
  6. The design testing piezoelectric material surface acoustic during the experiment process in the paper has several merits : convenience, efficiency, no loss, fastness. and they can be realized. the design applies material piezoelectric response and anti - piezoelectric response to stimulus and receive saw, and apply the method of testing resonator frequency to calculate saw tested speed, simultaneously contrast the actual test result about different material to typical value in the paper

    在本論文的研究實過程中,給出了一種方便、有效、無損、快捷的檢測壓電材料表面聲的設計與實現,該設計中運用材料的壓電效應和壓電效應激勵和接收saw ,並運用檢測諧振頻率的方法計算測量saw度,同時給出了對不同材料的實際測結果以及與資料典型值的對比。
  7. This paper study a two - phase inverter - fed induction - motor drive, which can be widely used for low - power, variable speed drive system. the study has completer the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use. it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of singlechip controller, power drive device, inverter - fed device, a low power tow phase induction motor and safeguard circuit

    本文研究了一種新型電壓空間矢量控制兩相變器?異步電動機的變頻調系統,該系統可以廣泛應用於小功率、寬調運行的場合。本項研究完成兩相變器的設計,並組成了用的兩相變器?異步電動機系統。系統是一個轉開環的變頻調系統,由單片機機控制電路、功率驅動電路、變器主電路、保護電路組成。
  8. Moreover, the data processing method of accelerated life test is used to solve the problem of the reliability data conversion under different operating status to liquid rocket engine. and the counter power law model is introduced as the relation model between the characteristic life and the combustion chamber pressure, the accelerated life equation of the constant stress accelerated life test for the weibull distribution is obtained, through the accelerated life equation, the reliability estimate of different combustion chamber pressure is calculated

    再次,採用加壽命的數據處理方法對液體火箭發動機不同工況下可靠性數據折算的問題進行了研究,引入冪律模型作為特徵壽命與燃燒室壓力之間的關系模型,得到了weibull分佈下恆定應力加的加壽命方程,並通過加壽命方程折算出不同室壓下的可靠度估計。
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