uniform velocity 中文意思是什麼

uniform velocity 解釋
等速度
  • uniform : adj 1 (形狀、性質等)一樣的,同一的;一致的;相同的。2 一貫不變的;始終如一的。3 規格一致的,均...
  • velocity : n. 1. 迅速;快速。2. 速度,速率。3. 周轉率。
  1. One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velocity.

    當一質點以勻角速度作圓周運動時,則它在任意直徑上的投影的運動便是簡諧運動的一例。
  2. Current density and electroplating velocity has line relation, but the increscent multiple of electroplating velocity is smaller than that of current density. which indicate that current efficiency decreases with the increase of current density at alcb + lialh4 system. at l - 5a / dm aluminum coating is dense and uniform, especially at 2. 5a / dm

    電流密度與電鍍速度兩者近似成直線關系,但電鍍速度增大的倍數比電流密度增大的倍數要小,說明在alcl _ 3 + lialh _ 4體系中隨著電流密度的提高,電流效率逐漸降低。
  3. In a uniform flow, the velocity is constant everywhere.

    在均勻流動中,速度處處相同。
  4. Research on the degenerate mathematical model to the blurred image caused by the uniform velocity rectilinear motion

    勻速直線運動模糊圖像的退化數學模型試驗研究
  5. The research results show that compared with the uniform inlet velocity profile, the exponential inlet velocity profile has more advantages to get lower contaminant concentration, to prevent patient and operating apparatus in the operating area from infection by airborne disease germs and to reduce the airflow rate needed for pollutant concentration control

    研究表明,與通常採用的均勻風速的送風口相比,變化風速的送風口對于降低手術室工作細菌濃度,防止病人手術切口及手術器械等回風氣流攜帶的浮遊細菌再次感染,以及減少手術室的送風量等方面具有明顯的優點。
  6. The diffusion carrier concentration profile and junction depth were measured and compared with conventional furnace processing diffusion ( cfd ). it presented following conclusions : 1 ) the temperature distribution in quartz chamber of rtd furnace is uniform because square resistance is uniform after rtd ; 2 ) the diffusion velocity of rtd furnace by a factor of three compare to conventional furnace processing diffusion ( rtd ) ; 3 ) if diffusion temperature and doping phosphorus are equivalent, doping phosphorus of rtd are more than of cfd in equivalent distance to the silicon surface

    實驗研究了快速熱擴散( rtd ) :通過旋塗磷膠和印刷磷漿兩種方式考查了2 4和103 103單晶硅的快速熱擴散特性,發現: 1 )此樣機的溫度場在空間分佈上是均勻的; 2 )快速熱擴散可以比傳統擴散快3倍的速度進行擴散; 3 )在擴散溫度和摻雜磷源相同的條件下,與傳統擴散相比,快速熱擴散將雜質向結更深的地方推進。
  7. This paper describes the structure and kinematic parameters for the uniform lapping of the four shafts ball - lapping machine using analytical and graphical methods, and establishes full conditions of the uniform lapping on requring equal pressure and velocity of four lap tools

    根據四軸球體研磨機的球體研磨原理,由實現球體均勻研磨所需的壓力和速度條件,對該機的結構參數和運動參數進行了解析和圖解分析,建立了實現球體均勻研磨的充分必要條件。
  8. According to the theory analysis and engineering practice, the application of natural vibration features in bridge inspection is introduced. during the transient dynamic analysis of pubugou cfst arch bridge, the time history responses of the structure under uniform velocity moving load and impact load are analyzed, and the amplification coefficients of deflection and internal forces of the structure are intensively analyzed

    在瀑布溝大橋的瞬態動力分析中,模擬分析了當移動荷載以不同速度通過橋面時的時間歷程動力響應以及在沖擊荷載作用下橋跨結構的時間歷程動力響應,並對橋跨結構在移動荷載和沖擊荷載作用下的動力放大系數作了較為詳細的分析。
  9. Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

    同時,本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究,包括: cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構;對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制,保證加工工件表面的精度和光順性;設計具有「前瞻」功能的自動升降速控制方法,保證加工過程的平穩性;通過脈沖均勻化,有效地解決加工過程中因為脈沖不均勻而引起的震動問題。
  10. In this thesis, active flow control with plasma has been investigated. a uniform, controllable, glow - charge surface plasma under one atmosphere has been generated successfully. and flow velocity has been induced in still air. consequently a new method about active flow control is discovered

    本文主要進行了在一個大氣壓下應用等離子體實現主動流動控制的研究,成功地在一個大氣壓下產生了均勻可控的射頻輝光等離子體,採用電流體( ehd )技術在靜止的空氣中誘導了流場,開創了主動流動控制的一條新思路。
  11. Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils

    通過多種技術方案比較,最終選擇了技術先進的砂墊層預抬高分級充水預壓法,論文工作主要由以下兩部分組成: ( 1 )砂墊層預抬高分級充水預壓法的適用性研究,其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的計算分析; ( 2 )施工監測與地基處理效果檢驗,其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平位移、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。
  12. When the propeller operates in the spatially non - uniform velocity field behind the ship, the unsteady cavitation on the blades often causes the vibration of ship structure, the propeller noise and the cavitation erosion on the blade

    在船尾非均勻流場中工作的螺旋槳,常常由於槳葉上產生了非定常空泡,導致船尾振動和螺旋槳噪聲,致使槳葉表面出現空泡剝蝕。
  13. The results showed that velocity distribution was non - uniform outside the filters

    結果表明,濾管外速度分佈是不均勻的。
  14. Aiming at wide variations in loads and moment of inertia, large disturbed moment of a permanent magnet synchronous motor position servo system, and the problem of velocity limit to uniform sliding mode control, a cascaded compound slide mode controller was proposed and designed for permanent magnet synchronous motor position servo system

    摘要針對某永磁同步電動機位置伺服系統負載力矩和轉動慣量變化大、干擾力矩強的特點,以及統一滑模變結構控制速度限幅的難題,提出並設計了串級復合滑模變結構拉制器。
  15. The result shows the effect of uniform wind fields rebuild is good, however the vertical velocity in shift one is not ideal. it is found the azimuth range of receiver is so wide that it can receive echos from different orient

    結果顯示,對勻速風場反演的效果很好,在進行非勻速(變向和變速)風場的模擬時發現反演的垂直速度很不理想,但反演的水平風場效果較好。
  16. Actually correction coefficient of kinetic energy reflects the non - uniform characteristics of cross - sectional velocity in natural rivers. it is related with hydraulic parameters and can be expressed by chezy ' s coefficient. the larger the resistance of boundary, the more non - uniform the distribution of cross - sectional velocity

    動能修正系數實際上反映了河道橫斷面流速分佈的不均勻性,與斷面的水力要素有關,可用謝才系數c來表示,水流所受的阻力越大,邊界對其影響也就越大,流速分佈愈不均勻,導致動能修正系數增大。
  17. The results of the study show that a uniform velocity distribution can be obtained with the deflector

    研究結果表明:彌散器可使催化器獲得較均勻的流速分佈。
  18. Numerical stability, the other issue of the lattice boltzmann method, is discussed in chapter 5. corresponding to the uniform and shear background flow, the stability of d2q7 d2q9 and d3ql5 model is analyzed through the von neumann linear stability theory, both the conclusion about the mass distribution parameters, the wave number, the relaxation time and the uniform velocity, and the linear stability criterion n r0. 58 are instructive to numerical simulation of flow

    第五章考慮了數值方法另外一個方面的問題,在均勻流和剪切流兩種背景流場下,運用vonneumann線性分析法,針對d2q7 、 d2q9及d3q15格子模型,分析了質量分佈參數、波數、鬆弛時間和平均流速等決定模型穩定性的主要參數對模型穩定性的影響,得到了對流場數值計算具有指導意義的一般性結論與線性穩定性標準n r _ e ~ ( 0 . 58 ) 。
  19. It is about the generating and propagating processes of the bore caused by the level and uniform velocity landslide

    本文主要研究水平勻速滑坡涌浪的生成與傳播過程。
  20. Finally, the experimental results, acquiring the motion parameters of the objects with uniform velocity and acceleration in the straight line based on the real binocular sequence images by the mentioned method, are presented

    並給出了從真實雙目序列影像中獲取物體勻速直線運動和勻加速直線運動參數的實驗結果。
分享友人