抽運率 的英文怎麼說

中文拼音 [chōuyùn]
抽運率 英文
pumping rate
  • : 動詞1 (把夾在中間的東西拉出; 提取) take out (from in between) 2 (從全部里取出一部分; 騰出) ...
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : 率名詞(比值) rate; ratio; proportion
  1. The maximum 50500 photo counts per second with 76mhz pump pulse frequency is detected. the probability to be single - photon state of every count is better than 99 % 5

    光脈沖重復頻為76mhz的情況下,得到了每秒50500次的下轉換光子記數,其中單光子概大幹99 。
  2. To investigate the practicability of a solar - direct - pumped fiber laser by using a parabolic dish concentrator, the solar power absorbed by the fiber laser and its absorption efficiency were calculated with numerical method based on the characteristics of solar spectrum in outer space

    摘要為了研究拋物面碟形聚光器實現太陽能直接光纖激光器,根據空間太陽光譜分佈特點,採用數值方法,計算了用該聚光器聚集太陽能量雙包層光纖激光器時光纖吸收的太陽能量及其吸收效
  3. To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed

    對于基於積分梳狀( cic )濾波器和半帶( hb )濾波器的多級系統設計的取濾波器組,分析了濾波器設計中所涉及的各個參數,將剪除理論應用於多級積分梳狀( cic )濾波器的設計中,並且採用分散式演算法( da )來設計半帶( hb )濾波器,並對模擬結果進行比較,這些先進演算法的應用,進一步提高了硬體效行速度。
  4. Average production length ( apl ) is introduced as the criterion for measuring control scheme performance. a model is developed with sampling rate and maximum false alarm rate as inputs to determine the optimum subgroup size and control limits as measured by apl

    本文以平均行長度( apl )為衡量控制圖有效性的標準,以樣比例和最大可接受錯誤報警為輸入,通過建立模型的方法,確定最佳的樣本容量和控制線參數。
  5. In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    針對lcj1250氣平衡式鏈條油機存在氣平衡故障高和現場維修困難等問題,提出將氣平衡改造成工作可靠的重力平衡的方案,並確定了改造的三個原則:一是保證整機的可靠性,使油機轉平穩,振動噪音小,壽命長;二是力求降低生產成本,減少零部件製造,盡可能選用原來的通用件,捨去平衡缸和空氣包等氣平衡附件,在原往返架主體上懸掛一個配重箱;三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  6. Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    文摘:針對lcj1250氣平衡式鏈條油機存在氣平衡故障高和現場維修困難等問題,提出將氣平衡改造成工作可靠的重力平衡的方案,並確定了改造的三個原則:一是保證整機的可靠性,使油機轉平穩,振動噪音小,壽命長;二是力求降低生產成本,減少零部件製造,盡可能選用原來的通用件,捨去平衡缸和空氣包等氣平衡附件,在原往返架主體上懸掛一個配重箱;三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  7. In this paper, dual - beam transmission problem that possess to a certainty included angle and gains the nonlinear schrdinger coupled equation ( nnlse ) in self - defocusing media is discussed

    摘要自散焦介質中雙光束斜入射耦合能發生光束偏轉,通過數值模擬發現在非線性折射不是均勻分佈時光束偏轉能降低光功並且偏轉角度不減小,在相同的功條件下,能產生更大的偏轉。
  8. This paper focuses attention on using probabilistic simulation to describe this stochastic nature, and adopts the sequential monte - carlo algorithm to simulate each element status in photovoltaic system, and calculating responded reliability indices

    本文的重點是用概樣描述這種不確定性,採用蒙特卡羅序貫模擬對光伏發電各環節狀態進行概模擬,並計算相關可靠性指標。
  9. By virtue of the experiments carried out on the modified pilot - scale biomass gasification system, the temperature field in the gasifier is made explicit. and also some principles about how the temperature, feedstock and extraction mode exert influences on heat value and production rate of gas are attained. in addition, some tentative tests of tar cracking and thermodynamic characteristics of biomass gas burner have been performed, which are that indispensable to design and operation of biomass gasification demonstration project

    接著,通過對生物質中熱值氣化中試試驗系統的多次改造和反復試驗,了解了氣化爐內溫度場分佈,得出了溫度、物料、氣方式等因素對生物質熱解氣的成分、熱值和產氣影響的一些基本規律,並進行了初步的焦油催化裂解試驗和煤氣燃燒器的熱力特性、燃燒特性試驗,為面向工程應用的集中供氣示範項目提供了必要的設計和行依據。
  10. The vary of the parameter of the steam ). the software provide function of " alert " if some parameters exceed the range of permission, and this may urge the operator to adjust operation condition and put right. meanwhile, this may promise the units under the conditions of optimization, and achieve lower net coal consumption rate of thermal power plant and higher generation efficiency

    同時,這套系統可以在線分析熱力系統的各小指標如主蒸汽參數、汽參數和排汽參數在偏離目標值時所引起的煤耗額外增加值,對于偏離目標值超過允許范圍時的參數提出報警,以提醒行人員調整行,糾正偏差,使各參數都行在最佳狀態,從而降低煤耗,提高機組的行效
  11. In this paper, a new structure of multi - mode fiber array or parabolic dish concentrator array combination with tapered fiber bundles was proposed to enhance the solar pump power

    通過光纖集束熔錐側面耦合器構成多模光纖陣列或者聚光器陣列的結構,可進一步提高太陽能
  12. In this thesis we mainly study degenerate - times integrated operater families and its applications to abstract cauchy problems, and we study the mean ergodicty theorems and the convergence rates of ergodic limits and approximation for k - regularized resolvent families

    本文我們主要研究退化( r ) -次積分預解算元族及它對象cauchy問題的應用,並且研究k -正則預解算元族的平均遍歷定理和遍歷極限的收斂
  13. Recently, with the development of good quality nonlinear frequency - conversion crystals and solid - state laser used as pump source, research activities in this area is heating up

    近年來,隨著高質量非線性頻變換晶體和固體激光器源的快速發展,這一領域的研究異常活躍。
  14. Based on a 3 - d transient thermal model with inhomogeneous heat generation, the temperature and thermal stress distribution in the disk of heat capacity laser pumped by high power laser diode array ( lda ) are simulated and analyzed by means of finite element methods

    摘要為了研究激光介質熱畸變對固體熱容激光器的影響,數值計算了高功激光二極體陣列片狀激光介質的瞬態溫度場和熱應力分佈。
  15. The results indicate that for the same pump intensity, the temperature and thermal stress distribution in the disk are not only related with the medium ' s geometry and the special distribution of pump intensity but also related with the fill factor of pump area

    結果表明,在相同的密度下,激光介質中的溫度分佈和熱應力分佈不僅與激光介質幾何構型及光空間分佈有關,還與光斑在介質表面的填充因子密切相關。
  16. The main multi - pass amplifier with double - side pumped ti : sapphire

    雙向鈦寶石的高效多通脈沖主放大研究
  17. The relationship of cut - angle and the degree between pump beam and signal beam in bbo crystal pumped by 425nm pulse is theoretically calculated. 28. 7 cut - angle bbo crystal is chose for our use, which correspond to a 5 angle between pump beam and signal beam

    在中心波長425nm飛秒脈沖、下轉換光頻簡並的情況下,選擇晶體的切割角為28 . 7度,對應下轉換光與光在晶體外夾角為5度。
  18. Then, on the basis of coupled wave equations, theoretically studies of opo threshold parameters and of the conversion efficiency and of linewidth control are presented. several principles of the optimum design for opo are discussed. the experimental investigations of noncritical phase matching

    以耦合波方程為基礎,分析和計算了光學參量振蕩器的轉換效閾值、譜線寬度等特性,並在此基礎上討論了如何選擇opo的各項參數。
  19. A ld pumped lbo / bbo / nd : yag 266nm all - solid - state ultraviolet laser and purple and a ld pumped ktp / bbo / nd : yag 266 nm all - solid - state ultraviolet laser were designed respectively ; 1. 5mw and 2. 0mw average output power were obtained respectively when maximum input power of ld was 1. 3 w. reasons of being elliptical beam and 45 ? rotation for the beam were also explained

    設計出一臺lbo bbo nd : yag266nm全固態紫外激光器和一臺ktp bbo nd : yag266nm全固態紫外激光器;用1w的ld作為泵浦源,在最大為1 . 3w時,分別獲得了平均功為1 . 5mw和2 . 0mw的266nm紫外輸出。
  20. In this thesis, we used the q - switched nd : yag laser pulse focused by lens to pump the cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, with the pump laser pulse duration and energy of 30ns and 50 mj separately, and got the laser pulse with center wavelength, pulse duration and energy of 1. 22 m, 8. 2 ns and 10 mj on the best work condition. on the base of zhangguowei s approximation about gain - switching and the parameter of cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, we calculated the time characteristics of cr ~ ( 4 + ) : mg _ 2sio _ 4 laser pulse with rate equation by numerical method, obtained the conclusion that the laser pulse duration is only related to the pump energy and cavity length : the larger the pump energy is, the narrower the pulse duration is ; the longer the cavity is, the wider the

    本論文採用調qnd : yag脈沖激光通過透鏡聚焦后縱向cr ~ ( 4 + ) : mg _ 2sio _ 4晶體,光脈沖寬度為30ns 、能量為50mj ,在較佳工作條件下得到了中心波長為1 . 22 m 、脈寬為8 . 2ns 、能量為10mj的激光脈沖;並在張國威分析增益開關時間特性的近似法基礎上,結合實際的cr ~ ( 4 + ) : mg _ 2sio _ 4激光器的相關參數,從速方程出發,用數值計算的方法更為精確的模擬了cr ~ ( 4 + ) : mg _ 2sio _ 4激光器輸出激光脈沖的時間特性,得出了激光脈寬只與能量、腔長有關的結論,即能量愈大,脈寬越窄;腔長越長,脈寬則愈寬。
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