積分轉數表 的英文怎麼說

中文拼音 [jīfēnzhuǎnshǔbiǎo]
積分轉數表 英文
integrating tachometer
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 轉 : 轉構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] （積累的分數） accumulate points
  1. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn的數濃度採用超幾何函數表示；雲水向雨水的自動轉換過程採用grabowski （ 1999 ）的公式，考慮了雲滴譜的特徵和發展變化對該過程的影響，而不是採用原方案給定閾值的方法描述該過程；對連續碰並方程不再將粒子落速差作為常量提出積分號外，而是直接作為粒子直徑函數在積分號內求解，這樣處理可以迴避使用粒子群的平均落速帶來的誤差；增加了霰和雪、霰和冰晶的碰並微物理過程。
  2. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用
  3. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化，結果表明:採用普通工藝焊接時，葉片焊后殘余拉應力出現在焊縫及其附近區域，並且在葉片出水邊的熔合線附近（危險區域）出現了峰值;在採用優化的分段焊時，先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值，降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比，與冷卻面積成反比，並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  4. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題，採用回傳矩陣法，在相空間中給出了位移和內力的表達式。再利用laplace逆變換，得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解，然後將其分解為若干廣義射線積分之和，並用數值方法求解之。
  5. And the results of these two methods really show difference. we analyze the condition for the condensation using the concept of entropy and reach the conclusion that there will be no bec in the low dimension system. we get the relation between the critical temperature and the given number of the particles in a three - dimension infinite trap system directly, together with the tendency shown at a low temperature of the critical temperature " changing to the particle number

    指出了兩種方法的結果在低溫區域的差別和高溫區域的一致性，比較結果表明，給定粒子數的系統處于低曲阜師范大學碩士研究生畢業論文第頁溫條件時，數值方法所求出的轉變溫度要比積分方法所得的結果高，並且轉變溫度隨粒子數的變化趨勢也要迅速，然後分析了兩種方法存在差別的原困。
  6. By using this model, the contribution of the thermal volume expansion of the matrix to the ptc transition of the composite is quantitatively estimated. the theory and experiment revealed that the conductive mechanism of abrupt resistivity increase at ptc transition region was equivalent as abrupt resistivity increase at the percolation curve close the critical volume fraction

    可以利用這個模型，對基體體積膨脹對ptc轉變的貢獻進行了定量分析，表明ptc轉變區的電阻突變與滲流曲線在臨界體積分數附近的電阻率突變在導電機制上是相同的。
  7. In this paper the flow field of falling film along the inner of vertical tube is simulated and it ' s the necessary base of the further research that includes characteristics of heat and mass transfer in the absorber under the fluctuant state. in this paper the ocean fisher ' s movement in the ocean is studied and the physical and the mathematical models of fisher are founded, then the expressions of the force caused by the movement are obtained. the expressions are combined with partial different equations of falling film under the static state, thus the mathematical model of the falling film under fluctuant state can be gained

    本文首先研究了船舶在海洋中的運動，建立了船舶搖擺運動的簡化物理模型和數學模型，得到了運動附加力的表達式；並在此基礎上將吸收管的運動附加力表達式代入靜止狀態下液膜流動的數學模型中，即得到了搖擺狀態下液膜流動的數學模型；然後對液膜流動的數學模型進行了簡化，在假定了速度分佈的條件下，得出了液膜流動的積分方程，經過以上簡化就將求解三維問題轉化成為求解二維問題；將積分方程離散化後用數值計算的方法模擬了整個流場。
  8. In this paper the flow field of falling film along the inner of vertical tube is simulated and it ' s the necessary base of the further research that includes characteristics of heat and mass transfer in the absorber under the fluctuant state. in this paper the ocean fisher ' s movement in the ocean is studied and the physical and the mathematical models of fisher are founded, then the expressions of the force by the movement are obtained. the expressions are combined with partial different equations of falling film under the static state, thus the mathematical model of the falling film under fluctuant state can be gained

    本文首先研究了船舶在海洋中的運動，建立了船舶搖擺運動的簡化物理模型和數學模型，得到了運動附加力的表達式；並在此基礎上將吸收管的運動附加力表達式代入靜止狀態下液膜流動的數學模型中，即得到了搖擺狀態下液膜流動的數學模型；然後對液膜流動的數學模型進行了簡化，在假定了速度分佈的條件下，得出了液膜流動的積分方程，經過以上簡化就將求解三維問題轉化成為求解二維問題；將積分方程離散後用數值計算的方法模擬了整個流場。
  9. The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target

    本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬，然後建立滿足邊界條件的電場積分方程（ efie ）和磁場積分方程（ mfie ） ，將物體表面的等效電磁流用rwg矢量基函數表示，最後利用伽略金法（ rwg矢量基函數既作為基函數又作為檢驗函數）將電磁場積分方程轉化為矩陣方程求解未知電磁流系數，得到了表面的等效電磁流后，可以計算散射場和目標的雷達散射截面。
  10. New achievements having been obtained in this field show that co2 participating in karst process in the epikarst dynamic system mainly comes from soil air co2 created by the organic carbon, in other words, although karst is a kind of biochemistric action in nature, distribution and transmit and cycle of carbon rely on changes of soil organic carbon. soil organic carbon is the greatest carbon storeroom. soil respiration emission of co2 is the most important passing entrance in carbon cycle of epikarst ecosystem

    已有的研究表明：參與巖溶作用的co _ 2多數屬于土壤中生物成因，也就是說，盡管巖溶作用是一種自然界無機化學作用，但碳的分佈與轉移及循環仍以生物活動為紐帶的土壤碳積累為轉化中心，土壤有機碳構成系統最大的碳庫，土壤呼吸碳表現為該系統中最重要的碳流通途徑，因此進行土壤co _ 2濃度觀測及其影響因子分析是研究表層帶巖溶生態系統運行機制和全球碳循環的首要條件。
  11. By driving expressions and using the method in numerical integration, the results of numerical calculations are analyzed, discussed and contrasted with different conditions, and they showed that there are evident differences in the mean attenuation, scattering, and back scattering cross sections of oblate spheroid particles when the variance is so small that it is near to zero namely it is the same as the rotatory axes are parallel with one direction and when h - polarized and v - polarized incident waves happened. these differences are depended on the relative differences in the average orientation of rotatory axes and the polarized directions of incident wave

    通過公式推導和數值積分計算並對結果做了討論和分析，對比各種情況表明：扁橢球粒子群在方差很小接近為0時，與粒子群旋轉軸一致取向的情況相同，入射波水平極化和垂直極化時的平均衰減截面、平均散射截面、平均後向散射截面有明顯的不同，這決定於旋轉軸平均取向和入射波極化方向的相對差異。
  12. _ the phenomenon of saturation or " lock up " when all of the grains have transformed, is described in a rattier simple form through domain volume fractions by the proposed model, in which domain switching in ferro - electrics is analogous to that of dislocation movement on crystal slip planes in metals

    ? ?依據晶體塑性理論，將鐵電材料中的電疇翻轉類比于晶體位錯滑移面上的滑移系，定義鐵電材料中相應的電疇反轉系；採用電疇的體積分數表述電疇翻轉的變化量，得到了電疇翻轉的飽和特性的簡單描述。
  13. Lbie, based on the local boundary equation, adopts the traditional moving least squares ( mls ) approximation which depends on only the values of the nodes in the domain of the problem or along its boundary. the whole process of integration is carried on over a local domain or its local boundary centered at the node in question. the local boundary equation can be rewritten to represent the values of the unknown function at the point of interest, and the essential boundary conditions can be directly and easily enforced by using the green formula and the characters of the dirac function

    它以局部邊界積分方程為基礎，採用移動最小二乘近似函數，從而只需要分佈在問題域內及其邊界上的節點的信息值，無需劃分單元；整個積分是在以節點為中心的局部域及其邊界上實現，所以不需要背景積分網格；藉助于格林公式及dirac函數的性質，將局部邊界積分方程轉化為所考慮點的未知函數的邊界積分表達式，便於直接施加本質邊界條件。
  14. The text choose fenjin countryside of changchun as the typical district, choose rs and gis as the technological platform, utilize serial statistical data of land use from 1990 to 2002, remote sensing image and actual census data, adopt arc and statistical analysis method to analyze the change of land use structure in the process of urbanization, achieve the pace, range, trend and shift matrix of land use change ; at the same time analyzing economy, social and ecological benefit. the result shows : the agricultural area is reduced year by year, construction area is increased gradually, the social economic benefits are obviously improved, but the ecological benefits of the land drop to some extent. the urbanization process is developing quickly but it sacrifices the environments

    本文選擇長春市寬城區奮進鄉為典型區，以rs和gis為技術平臺，利用1990 - 2002年的土地利用系列統計資料、遙感影像解譯數據以及實際調查數據，採用arc方法和統計分析等方法對城市化進程中城市近郊的土地利用結構變化進行分析，獲得了土地利用變化的速度、幅度、趨勢及轉移矩陣;同時將同一時段奮進鄉的經濟、社會、生態效益的變化與土地利用變化進行對比分析，結果表明:農用地面積逐年減少，建設用地面積逐漸增多，社會經濟效益明顯提高，但土地的生態效益卻有所下降。
分享友人
分享到 Line

分享到臉書