最大線速度 的英文怎麼說

中文拼音 [zuìxiàn]
最大線速度 英文
maximum line velocity
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 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
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Win2000 bed lift is of personalized design, ultra - stable operation, to offer quietness and comfortableness to the greatest extent to patients with warm colors. it is provided with variable voltage variable frequency device, to produce the best operating curve in accordance with the physiological requirements of human body, to show make the safe, comfort, stable and excellent perfomance in the whole process during the operation of the lift from start, acceleration, deceleration to stop. optional cut - off emergency leveling device may be equiooed at the demand of user to ensure that the passengers inside the lift can be rescued in case of power cut - off accident

    Win2000系列病床電梯以人性化的設計,超平穩的運行,給予病患者的安靜舒適增添溫馨的色彩。採用先進vvvf調頻調壓調裝置,按人體生理要求由電梯優化產生佳的運行曲,使電梯的起動加停止過程處處體現安全舒適平穩的卓越性能。根據用戶要求可選裝停電應急平穩裝置,確保以外停電時,被困電梯內的乘客能及時獲得解困。
  2. The hybrid algorithm raises the convergence rate of the conjugate gradient method and solves the problem for which the convergence rate of the steepest descent method get slower when the isopleth of goal function is oblong

    這種混合優化演算法結合了共扼梯法和下降法產生搜索方向,既提高了共扼梯演算法的收斂,又解決了目標函數的等值是扁長橢球時,下降法下降緩慢的問題,具有收斂快、收斂范圍、適應面廣等特點。
  3. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精的法向有限差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,收斂並得到更精確的特徵值。
  4. Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element

    通過對比有限元計算結果和試驗數據,分析得出塑料土工格柵筋材的動拉應力的分佈與靜拉應力的分佈沿筋材的埋深致相同,只是應力的值小不同;地震作用下土筋間的動似摩擦系數是隨地震加的增加而減小;模型沿墻高方向的加響應等。接著,根據模型動力有限元時程分析結果和模型試驗數據的比較分析,得出由土體單元、接觸單元和筋材單元組合的塑料土工格柵加筋土非性動力有限元分析模式的合理性。
  5. The curves of the consolidation settlement in soft clay base of flood land are gained, which compare the effect of sand drain. the settlement - time curves in different period are also gained, which increase the height of embankment to 8m, based on the test data of hang - yong highway. furthermore, the consolidation settlement characters of these entity engineering are analyzed, and, the variation rules of the rate of grade and degree of the curves in different period in the whole section, the maximal settlement and the liner regression relations between the rate of grade and degree are calculated

    本文利用變形固結有限元分析程序( lscfea )中的小變形平面固結分析單元( sse2 ) ,結合實體工程項目進行了地基固結沉降的有限元計算,分別得出河灘相軟土地基在考慮砂井和未考慮砂井作用下的固結沉降曲及杭甬高公路試驗段在高堆載情況下的固結沉降曲;並對以上曲特徵進行了分析,得出各時間段曲斜率、角在整個斷面的變化規律,以及沉降值與斜率、角變化之間的性回歸關系。
  6. Based on these, the 200mw turbine unit of panxian thermal power plant is selected, and the key problems are analyzed, such as, selection of cool medium, flow path of medium, thermal stress during fast cooling etc. the cfd software is adopted, and the maximal thermal stress, the optimum cooling model and system, and the autocontrol scheme during fast cooling, are gotten. in the end, the results are applied in the site. the optimum cooling model and system, and the autocontrol scheme would be provided reference as the other similar units

    於此,本文以盤縣發電廠200mw汽輪機為研究對象,對發電廠汽輪機組空氣冷卻裝置及系統現狀深入分析基礎上,應用cfd軟體數值模擬了不同工況時汽輪機缸壁溫變化情況,對200mw汽輪機快冷過程中控制指標進行分析,優化機組的快冷卻過程,合理快冷設備、系統,優化控制曲,分析熱應力值及佳冷卻方式選擇,同時,對現有盤縣發電廠汽輪機組快冷卻系統進行優化改進,並進行了實驗與實施。
  7. Grinding wheel maximum linear velocity 15m sec. 3 shift gears

    砂輪工作: 15m s三級調
  8. Although the flux per revolution of the optimized pumps is a little smaller than that of tatsuno combined pumps, other characteristics, such as fluctuation rate, maximum pressure angle and velocity fluctuation rate etc, are much better. the methods to cut gears are proposed in the theory for the practical produce in the future

    雖然,在體積相等的條件下,優化出來的外圓弧包絡內嚙合齒輪泵的排量略小於tatsuno組合泵的排量,但其它性能(如:流量脈動率、壓力角、波動量)都更優。
  9. A method is provided to measure the friction parameters of the bed. the maximum friction torque, coulomb friction torque, viscous friction coefficient and moment of inertia can be gotten by fitting the free reduced rate curve of the gimbals and measuring the motor current when the motor begins to rotate

    提出了一種測量轉臺摩擦特性的方法,通過對轉臺在無外推力作用下的衰減曲的擬合以及電機啟動過程電流和轉的測量,可以得到靜摩擦力矩、庫侖摩擦力矩、粘滯摩擦系數及轉動慣量。
  10. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時,選擇有限帶寬窗有較好的空間解析,三角形窗有較好的密解析,選擇餘弦窗則使得空間解析與密解析的折衷;從窗函數的頻譜角來講,可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件: ( ? )小的3db帶寬b ,即小的主瓣寬; ( ? )小的旁瓣峰值a ; ( ? )的旁瓣峰值衰減d ;就內插函數而言,臨近點內插與性內插重建圖像噪聲,但有較好的邊緣與細節; 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑,局部特性較好。
  11. Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution

    簡單遺傳演算法存在著收斂慢、易陷入局部極小等缺陷.針對這些缺陷,本文設計出隨相對遺傳代數呈雙曲下降的自適應交換率,並提出與父串間的相對歐氏距離成反比、隨相對遺傳代數指數下降的自適應變異率.實例驗證表明,具有自適應交換率和變異率的遺傳演算法在收斂和獲得全局優解的概率兩個方面都有很的提高
  12. The beiren hotel is a two star hotel located on the zhong shan road, near the railway statione 2 km, near west hong qiao airport 5 km, near national road 204, 312, near motorway shangai - jia xing and snaghai - ningbo. a perfect choice for both the holiday or business travelers

    北人酒店集商務假娛樂於一體,雄峙申城規范的中山北路物貿街,東鄰上海火車站,西距虹橋機場,北接204 312國道和滬寧滬嘉高公路,內環高架與浦東開發區緊密相連,輕軌明珠鎮坪站一步之遙。
  13. It comes to a conclusion that the combined parabola acceleration is the optimum one to limit dynamic tension and elastic vibration of large belt conveyors during starting

    提出了採用拋物組合加控制曲起動是限制型帶式輸送機動張力和彈性振動的佳方案。
  14. At last, pointing to the temporal characteristics and the spectral characteristics, this paper discussed the methods for estimating the maximal line velocity ( vmax ) and the glint periods ( tp ) of the hovering helicopter, and then fulfilled the recognition of hovering helicopter using these two message. in chapter 5, the summary of all the works in the paper and related conlusions are presented, and the defects are analized at last, at last this paper demonstrated the d

    後,本文針對懸停直升機旋翼回波的時頻域特點,探討了從回波信號中提取旋翼回波最大線速度v和旋翼回波閃爍周期tp的方法,在綜合利用這兩種信息的基礎上完成了彈載高重頻脈沖多普勒體制雷達對懸停直升機回波信號的識別。
  15. Feedrate planning of continuous micro - line ' s start and end points are discussed, and the constraining conditions, including the machine ' s acceleration and deceleration capability, allowable error of corner machining, maximum acceleration and dynamical behavior of the machine, are established 。

    摘要針對連續小直段高高精插補演算法中起始點和終止點的規劃,建立了包含機床加減性能、轉接處誤差控制、以及機床負載功率等的約束條件。
  16. For the present, in the laser marking market, on - line laser marking have the most prospect. but the on - line marking requires the laser marking system has high marking speed. in our country, now most company ' s products can only be used in slow speed on - 1 ine marking

    目前激光打標以在打標市場前景,而在打標對于標記要求較高,目前國內在打標只能實現較低的打標,高打標為國外產品所壟斷,目前國外在打標產品高標記可達到2000字秒,適用生產可達到7m / s 。
  17. It is suggested that the max linear velocity of mc nylon gear should be limited in 25 m s

    因此,我們建議mc尼輪的最大線速度應該限制在25 m s以內。
  18. The numerical results show that the horizontal variation of response acceleration of gravity retaining wall is quite small since its lateral rigidity is large enough, the response at a given height level can be considered as the same, the maximum accelerations at different heights on the central vertical line can describe the distribution of earthquake load along the wall height in static analysis very well

    數值結果顯示,重力式擋土結構剛,地震加反應在水平方向差異很小,可看作是同步的,可取中心上各點來描述靜力法中地震作用沿高的變化規律。在沿墻高方向,加分佈不是呈直變化,比較復雜,總的變化趨勢體一致。
  19. The result shows that the profile which has a narrow region of peak value of tangential wind and a shorter radius of maximum wind, corresponds with the leaning northwest track and the maintenance or enhancement of intensity ; the profile which has a wide region of peak value of tangential wind and a longer radius of maximum wind, corresponds with the northern - turn track and the attenuation of intensity

    結果表明:切向風上峰值區狹窄,半徑較小時,臺風呈西北方向移動的正常路徑,強易於維持;切向風上峰值區寬平,半徑較時,臺風呈北折轉向的異常路徑,強易於衰減。
  20. Up to 45bevel angle constant linear speed control system automatic starting system

    斜邊角45恆控制系統自動進入系統。
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