速度應激 的英文怎麼說

中文拼音 [yīng]
速度應激 英文
speed stress
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過光冷卻能使原子降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于光駐波場的節點和反節點處,其穩定程取決于該處光壓力曲線負斜率的大小、對勢能的勢阱深以及動量擴散系數的大小,因此,如何在實驗中合理選擇光強、失諧量等顯得尤為關鍵。
  2. First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well

    文中針對氣動技術本身的特性及優點,如:可壓縮,具有緩沖性;能耗損失小,便於遠距離輸送;流量大、流高,執行元件響快等,以解決振動機械在用過程中的緩沖、能耗以及使用壽命等問題為目的,設計出一套輸出振力大、結構簡單、使用可靠的閥控氣動振器,並將其成功地運用到振動篩上,取得了較好的效果。
  3. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    強力電磁閥的響性能除了與閥本身的結構和材料有關外,與驅動電壓、驅動電路的設計密切相關,本文通過分析,首先開發出一種高低壓驅動電路,高壓電源是山升壓式dc - dc原理獲取的,低壓由蓄電池本身提供,實現高壓強和低壓維持的功能,電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流,加誣了電磁閥的關閉;採用自舉吐路,降低了場效管對驅動電壓的要求。
  4. But sometimes self - excited oscillations and noise may appear in hydraulic flapper - nozzle servo - valve if its construction is not selected very correctly. if self - excited oscillations and noise appear in hydraulic servo - valve, the performance of hydraulic control systems may lose stability

    因它具有非常快的響,所以是目前用最廣泛的伺服閥,但它也存在自現象,容易產生自噪聲和振蕩,嚴重影響伺服控制系統的穩定性。
  5. 1, cut over a head : bring up to combine the applied technique most and early for the toshiba, and is also current usage to is the most extensive. he adopts a laser head, and prepare the different slice of 2 focal distances the sony for cut over, passing the conversion differently focusing the coming respectively reading dvd with cd, its shape looking with double head to resemble respectively, because can see two sets focuse the, laser head to interiorly can t see. he reads the signal quantity is higher, but because of want the conversioning to focuse the, therefore the cost belong to the inside and so forth of level, and recognize the dish speed slow, same the implicit mechanical trouble rate is high

    1切換雙鏡頭:為toshiba最早提出並用的技術,也是目前使用最廣泛的。他採用一個光頭,分別準備2個焦距不同的鏡片切換,通過轉換不同的聚焦鏡來分別讀取dvd和cd ,它的外形看起來與雙頭的sony相似,因為只能看到二組聚焦鏡,光頭在內部看不見。他讀取信號質量較高,但由於要轉換聚焦鏡,所以成本屬于中等水平,認盤較慢,同樣隱含的機械故障率比較高。
  6. The results showed that increasing scan rate and decreasing laser power can minish balling effect to a certain extent

    研究表明,適當提高掃描或減小光功率可以在一定程上減小316不銹鋼粉末光燒結的球化效
  7. Technically, instead of using the traditional " four - time imaging " technology, fuji xerox s phaser color digital printer series makes use of new " once imaging " and enables it to process files three to seven times faster than traditional printers ; the printing of the first page takes only 18 seconds. the fuji xerox color digital laser printer equals spectacular printing effects and impressive speed

    從技術的角看,與其他用「四次成像」技術的彩色光印表機不同,由富士施樂全新打造的phaser系列彩色光印表機採用創新的「一次成像」列印技術,實現卓越的彩色列印,較其它同類彩色印表機快三到七倍,首頁輸出時間僅為18秒。
  8. By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs

    本文利用多組態dirac - fork ( mcdf )理論方法,通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數,系統地研究了弛豫和相關效對中性ne原子2p ~ 53s ~ ( 1 . 3 ) p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響,給出了長兩種不同規范下發態的能量和輻射壽命;以中性ne原子的研究為基礎,進一步研究了類ne等電子系列離子( z = 11 - 18 )較低的發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。
  9. On one hand, it may exert damping on the armature of torque motor and overcome self - excitation of jet pipe. one the other hand, it may enlarge magnetic permeability of working clearances and improve magnetic circuit efficiency of torque motor to boost dynamic response speed of servo valve

    一方面可增大力矩馬達工作氣隙部分產生的阻尼,從而可以抑制射流管的自,另一方面又可增大工作氣隙的導磁率,改善力矩馬達部分的磁路效率,從而提高伺服閥的動態響
  10. The laser unit, because of its monochromaticity and small divergency, is used as sensor ’ s light source. devices and chips provided with high - speed responsing and processing capabilities are employed. as a result, the achieved uncertainty of time measuring is 125 ps, demonstrating an accuracy improvement in magnitude of an order

    在設計製作中採用了單色性和方向性好的光作為光源,選取了高和有高處理能力的一系列器件、晶元,因此時間測量的精達到了125ps ,比以往的測試方法提高了1個數量級以上,測量精達到掃描的0 . 1 % 。
  11. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內波形成的原因是射氣瞬間接觸面兩側壓力和不相容;峰值振蕩效的內在機制為反射波對充氣階段的驅動氣或低溫排氣的加熱,凡是影響波形成及運動的因素都將對峰值振蕩頻率、冷效及熱效產生影響;當充、排氣時間比為0 . 1763時,最佳射流勵頻率出現在高階峰值振蕩頻率上。
  12. On the basis of theoretic analysis and numeric calculation, the author verifies that only is the ratio of the fundamental period of the structure to the disturbance period beyond 1. 4, it ' s possible to achieve reductions in both the relative displacement and the absolute acceleration responses

    作者在此基礎上,從理論分析和數值計算兩方面證明了粘性變阻尼控制僅在結構周期與勵主周期的比值大於1 4時才有可能同時減小結構的位移反峰值和加峰值。
  13. Through experiments analysis, it is found that the integrated lts is the most versatile laser tracker available for dimensioning, tool building, alignment, and reverse engineering applications with the characteristic of high tracking precision and excellent dynamic capability. this paper also provided an effective new method and technique in the application of large workpieces and industry field measurement and orientation by using dual - frequency laser interferometer

    實驗結果表西安理工大學碩士學位論文明這套跟蹤測量系統能夠適用於高精、響快和動態性能要求高的工業現場安裝與測量,具有廣泛的用前景,同時也為雙頻光干涉儀在大工件和現場測量、定位的用提供了一種有效的方法與技術,並為三維空間的跟蹤測量方法的研究奠定基礎。
  14. In view of predecessors " research achievements we put forward a method using square wave excitation and the fast furrier transformation ( fft ) to realize the comparison calibration for the calibration system of piezoelectric accelerometer

    在吸收前人研究成果的基礎上,文中提出了工作用壓電加傳感器校準系統用方波信號勵,同時用快傅立葉變換( fft )的方法來實現比較法校準。
  15. Abstract : in this paper, the design of the sense organ of the silicon miniature inertial meter is presented. the approving structure of the sense organ is fulfilled by the fabrication techniques of laser processing and chemical etching, laser fibre optic vibration is used to test the vibration characteristic of the suspensi on beams

    文摘:設計了硅微型慣性加計的敏感頭並光加工和化學蝕刻相結合的工藝方法製造得到了滿意的結構,光光纖測振儀檢測了懸臂梁振動特性。
  16. In this paper, the design of the sense organ of the silicon miniature inertial meter is presented. the approving structure of the sense organ is fulfilled by the fabrication techniques of laser processing and chemical etching, laser fibre optic vibration is used to test the vibration characteristic of the suspensi on beams

    設計了硅微型慣性加計的敏感頭並光加工和化學蝕刻相結合的工藝方法製造得到了滿意的結構,光光纖測振儀檢測了懸臂梁振動特性。
  17. At the beginning of 60 years, laser radar whose primary function is to measure distance appeared. developping for nearly half century, laser rader have been widely applied in many areas, especially in military application because of its particular merits such as high angle - solution, high - speed - solution, high - ditance - solution, nice - anti - jamming ability and good consealment. recently, in iraq war, the precision control and guide weapons depend on laser radar techniques embodied their powerful abilities. the laser radar technique is a very important part in u s military system

    歷經半個多世紀以來,光雷達以其高角解析,高解析,高距離解析,強抗干擾能力,好的隱蔽性,以及出色的全天候工作能力在很多技術領域尤其是軍事領域中得到廣泛的用。最近的伊拉克戰爭中,以光雷達為依託的精確制導武器顯示出了其強大的作戰能力,光雷達技術在美軍作戰系統中扮演著重要的角色。
  18. In practical application, the m10 180 bolts, which are installed in the head cover of the torque divider of ts5560 special automobile, sometimes fracture all of a sudden. according to the tests of acceleration, stress and strain, and the exciting test, it is resonance vibration that leads to the compound - bending fatigue fracture of the bolts. the exciting force caused by drive system, transmitted through the torque divider, produces a 1000 - 1500hz cyclical excitation at the junction of the bolts and head cover, which causes the first order bending resonance vibration of the bolts

    通過加變測試實驗和振試驗的研究,發現ts5560特種車分動器取力器氣缸端蓋m10 180螺栓斷裂問題是由於共振引起的雙向彎曲疲勞斷裂:傳動系統工作所產生的勵,經過分動器結構的傳遞(特別是分動器一階扭轉模態的放大) ,在螺栓的連接處產生1000 1500hz的振動勵,其導致螺栓一階彎曲共振,在螺栓一階彎曲模態的阻尼比較小的情況下,使得螺栓產生較大的共振響,導致螺紋處的彎曲動力較大,疲勞壽命較低。
  19. In the third part, taking advantages of the tests of acceleration, stress and strain, the exciting test, and modal analysis method, it is found out that resonance vibration leads to the compound - bending fatigue fracture of the bolts. accordingly, a series improvement measures are proposed

    第三章通過對分動器及長螺栓、短螺栓的加變測試分析實驗和振試驗、模態分析研究,確定螺栓斷裂問題的根源在於共振響導致疲勞斷裂,並提出了一系列的改進措施。
  20. The results of e - o tests showed that ktp crystals by our flux technique is an attractive material for various e - o applications, especially used in a high - repetition - rate and high responsible laser system

    電光用試驗結果表明,本實驗的熔劑法ktp晶體是一種非常吸引人的電光材料,特別是適合用於高重復頻率、高響光系統。
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