low velocity 中文意思是什麼

low velocity 解釋
低速度
  • low : adj 1 低的;淺的,矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • velocity : n. 1. 迅速;快速。2. 速度,速率。3. 周轉率。
  1. Fl - 8 is a close single circumfluence low velocity wind tunnel

    Fl - 8風洞是一座閉口單迴流低速風洞。
  2. Low velocity coupled growth and banded structure of peritectic alloys under directional solidification

    細晶變形鎂合金的研究進展
  3. Aerostatic bearings have been applied widely on the ultra - precision in the aviation, aerospace and the main axes and the slide of the precision measuring instrument and inertial measuring apparatus because of high rotation accuracy, calm operation, low friction and long life - span etc. they can also be used in fields range from both high and low temperature to both high and low velocity, sometime even to environment full of radioelement

    氣體靜壓軸承回轉精度高、運轉平穩、摩擦小、使用壽命長,可以在極高和極低的溫度、超低到超高的速度下,以及輻射環境中工作,因此在航空、航天領域以及精密測量和慣性測試設備上得到廣泛應用。
  4. At first in the condition of low - velocity impact it is discussed with the formation of ceramic smash cone angle on the base of quasi - statistic hertz and 3 a 6 y a c - theory. then using spherical stress wave reflection and transmission theory under the state of medium - high velocity the formation of spot in the ceramic back. finally the damage mechanism of ceramic suffered by the high impact is simply discussed

    首先,在低速撞擊的條件下,基於準靜態hertz的理論與薩布斯基理論,分析了陶瓷破碎錐角的形成;其次,在中高速撞擊條件下,利用球面應力波反射迭加理論,分析了陶瓷背面的層裂的形成;最後,簡單討論了高速撞擊下陶瓷的破碎機理。
  5. The high or low velocity anomalies ' s locations are consistent with the uplift and depression respectively, and their contacting boundary always correspond the faults exposed on the ground ' s surface. the basement interface that is the bottom interface of the sedimentary cover undulates strongly

    上部地殼高速異常和低速異常分別與地表的隆起和坳陷高度一致,高速異常和低速異常的接觸帶往往與地表的斷裂位置有良好的對應關系,沉積蓋層底部的基底界面橫向上起伏變化較大。
  6. According to the elaborate analysis on friction at home and abroad, a dynamic friction compensation method is proposed to compensate the system ’ s friction force at low velocity. a dynamic friction model is build and a friction observer is designed for ordinary position servo system

    在對國內外研究現狀進行深入分析的基礎上,提出了系統低速運行時摩擦力的動態補償方法,並針對常見的電液位置伺服系統建立摩擦模型、設計摩擦觀測器。
  7. Elasto - plastic dynamic response of stiffened plates under low velocity impact load

    方柱尾流流態對床面沖淤形態的影響
  8. Low - velocity impact damage analysis in carbon fiber reinforced composite laminated plates

    低速沖擊作用下碳纖維復合材料鋪層板的損傷分析
  9. 4ws ( four wheel steering ) is a new technology in vehicle systems. compared with the current 2ws ( two wheel steering ), 4ws has such advantages : when the vehicle turns at low velocity, it provides more smaller steering radius and improves the flexibility ; when the vehicle turns at high speed, it improves the operation stability

    與二輪轉向汽車相比,四輪轉向汽車有如下優點:低速轉彎時,轉向半徑小,汽車的靈活性高;高速行駛時,能迅速改變車道,而車身又不致產生大的擺動,減少了擺尾產生的可能性,使司機更容易控制汽車的姿態。
  10. It is found that the seismic low-velocity zone lies wholly within the plates.

    現在發現地震底速帶全部分佈在板塊之中。
  11. To prevent clogging of the pressure tap by fine solids gas is bled into the bed at low velocity at the taps.

    為了防止測壓管嘴被微細顆粒堵塞,在管嘴處以低流速向床內注入氣體。
  12. This paper analyzes the percolation mechanism and characteristics of gas under low - velocity percolation state in terms of slippage effect and threshold pressure effect by using molecular dynamics, thermodynamics and percolation mechanics in order to understand the practical reason of low - velocity non - darcy percolation

    摘要為明確氣體在低速滲流狀態下的滲流規律以及產生低速非達西滲流的實質性原因,運用分子動力學、熱力學和滲流力學等相關知識,基於滑脫效應和閾壓效應兩方面分析了氣體在低速滲流狀態下的滲流機理及滲流特徵。
  13. They offer low resistance to flow and are particularly suited to low velocity service

    這些止回閥對流體的阻流性很低,特別適用於低速流量的應用場合。
  14. The authors hold that the joint actions of numerous factors such as the upper mantle uplifted zone ( the mantle thinned zone of lithosphere ), the upper mantle anomalous area ( relatively low - velocity area ), the uplifted zone of intracrustal high - conductivity layer, the deep fault ( shear zone of lithosphere ), the margin of the crust - upper mantle uneven masses, the basement uplifted area reflected by gravity high, the magmatic belt and tectonic intersection reflected by skipped magnetic field, control the distribution of auriferous skarn deposits and copper ( associated with gold ) skarn deposits

    作者認為,上地幔隆起帶(巖石圈地幔減薄帶) 、上地幔異常區(相對低速區) 、殼內高導層隆起帶、深斷裂(巖石圈剪切帶) 、地殼上地幔不均勻性塊體的邊緣、重力高反映的基底隆起區、跳躍磁場反映的巖漿巖帶和構造交匯處等諸多因素的共同作用控制著含金夕卡巖礦床和銅伴生金夕卡巖礦床的分佈。
  15. Low - velocity ducts, high - velocity ducts, spiral ducts, flexible ducts, square ducts, circular ducts, upvc ducts, air curtains, etc. fans & dampers

    低速喉、高速喉、旋式喉、軟接喉、方型喉、圓型喉、膠風喉、風閘等fans & dampers風扇及節氣閘
  16. Specification for low velocity projectile marker

    低速投擲標物規范
  17. Then we set up the model of rectangle - shape pipeline. we compare it to circuit - shape pipeline on sides of the value of induced electromotive force, pressure loss when liquid flow trough the pipeline and resistance ' s value of the sensor. we get the result that we can finish the measurement of low - velocity flow by using the rectangle - shape pipeline

    接著對矩形測量導管進行建模,並在流體流經矩形測量導管時產生感應電動勢的大小、流體在測量導管中的壓力損失和傳感器內阻的大小對輸出信號的影響等幾個方面與圓形測量導管進行比較后得出採用矩形測量導管完全能夠有效地完成微流量的測量。
  18. Although reducer can avoid step sense and oscillation partly, the strap transmission will influence orientation precision ( it is key norm to the small metallographic sample cutting machine ), so plan to use step motor to drive the screw directly, the step motor at low velocity, which is not drived by the subdividing drive system, will have obvious oscillation and noise that would influence the cutting function, the usage life and sample structure

    由於步進電機是通過皮帶輪減速來驅動絲杠,進而帶動砂輪片前進和後退,雖然減速能部分消除步進感和振動,但皮帶傳動會影響定位精度,定位精度對精密切割機十分關鍵的技術指標。採用步進電機直接驅動絲杠,未經細分驅動的步進電機在低速運行時,有明顯的步進感、振動和噪聲,從而對切割的性能、砂輪片的使用壽命、試樣的組織結構產生較大的影響。
  19. Against two kinds of nonlinear friction observers, the analytic expression of zero ve - locity interval t based on the nonlinear model of brushless dc motor system is deduced in this paper. simulation results indicate that the system performance at low velocity can be im - proved effectively using the friction observer based on coulomb friction model

    針對兩種不同的非線性摩擦觀測器,推導了基於無刷直流電動機非線性模型的零速度時間間隔腡解析表達式,通過模擬證實,利用基於庫侖摩擦模型的摩擦觀測器可以有效地改善系統的低速控制性能。
  20. Comparison between quasi - static indentation and low - velocity impact tests has been conducted in this paper at last. in accordance with energy balance principle, the dent depth vs. peak contact force under impact curve, which is derived from the dent depth vs. impact energy curve, is similar with the dent depth vs. indentation force curve with an evident transition

    最後,本文還對低速沖擊試驗與靜壓痕試驗做了比較分析,並基於能量平衡公式,從沖擊能量凹坑深度關系導出了沖擊最大接觸力凹坑深度關系曲線,它與靜壓痕試驗得出的壓痕力凹坑深度曲線的變化趨勢相類似,即出現較明顯的拐點。
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