推算直徑 的英文怎麼說

中文拼音 [tuīsuànzhíjìng]
推算直徑 英文
nominal diameter
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 推算 : calculate; reckon; reckoning; prediction; calcu-lating
  • 直徑 : diameter; diam
  1. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained ， and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式，建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線，不需要求解非線性方程組，避免了計算可能不收斂的麻煩，簡化了非圓曲線的節點計算過程
  2. Densitometry was used to calculate peak particle diameters

    使用密度計去推算粒孚的最大直徑。
  3. I have taken impotance to analyze the rallying point of famous product, concrete cost and capability of providing and guarantee in this artical, meanwhile, i have caculated the quantity of concrete needed for the year and got the regression equation with the historic data for drilling footage of eight years and the consuming quantity of oilwell cement by the method of linear regression, and it has very significance for the making of stock contract and the plan of concrete production, i have analyzed the physical distribution of oilwell cement by the transpotation flex and the advantage or disadvantage between direct distribution and distribution to store in this artical, and i have tried to find the balance point of the two distribution ways by the ecnomic analysis and pointd out the conception of economic semidiameter, and come to the conclusion of direct distribution, distribution to store, and subarea of distribution to store at last

    本文對油井水泥供應商在品牌號召力、水泥成本、供應保障能力等方面進行了詳盡分析，並對供應商進行了能力排序;用線性回歸方法從八年鉆井進尺與油井水泥消耗量的歷史數據推算了當年度油井水泥需求量，得出了回歸方程，這對于油井水泥采購合同的制訂、水泥供應商生產計劃的制訂具有相當重要的意義;從運輸彈性分析出發對油井水泥物流配送進行了研究，對直達配送、入庫配送的優缺點進行了詳細的分析，在經濟分析的基礎上力求找到兩種配送方式的均衡點，並提出了經濟半徑的概念，得出了直達配送、入庫配送、入庫分區距離等幾項結論。
  4. A semi - analytical and semi - empirical method is used to formulate a displacement solution for the circular disc with a pair of flattened areas under diametral compression

    摘要用半解析半經驗的方法推出圓盤對徑壓縮的一個位移解，該公式可以估算力作用點有微小平臺時直徑的壓縮位移。
  5. They calculate that the impact of a body 250 kilometers wide would have delivered energy equivalent to 100 billion megatons of tnt to the planet, melting exposed polar ice and injecting enough water into the atmosphere to rain out 16 meters of precipitation

    研究人員推算，直徑250公里的星體對火星的沖擊能量相當於1000億個百萬噸黃色炸藥，足以融化裸露的兩極冰帽，將大量的水帶入大氣，造成16公尺的降雨量。
  6. Calculating result showed : the thrust changing caused by the magnitude of at / ac was more larger than that both of the pressure index : " n " and of the chamber diameter, and the best thrust could be get when at / ac < 0. 3

    由數值計算可知， at ac的大小變化所引起的推力變化比壓力指數n和藥室直徑的變化引起的變化大得多，而且當at ac 0 . 3時，可以得到最佳的推力效果。
  7. Analyze how to ensure the smallest limit of core length, and give the formulation of laminated dimension when the given diameter limit is zero. this paper gives the gene handling genetic algorithm and the gene express genetic algorithm, separately, to accomplish the optimization transformer core section. the optimization results show the effect

    通過分析鐵心截面最小級片寬下限的選擇依據，並給出控制鐵心給定直徑外限為0時每級疊厚的遞推公式，本文從外部信息流角度和內部信息流角度出發，分別採用基因控制遺傳演算法和基因表達遺傳演算法完成了鐵心截面的優化設計，並取得了很好的效果。
  8. Accordring to basic concept and assumes essentially on the basic of sweden method of slices, be living below the maximum equilibrium state, the function expression about stability safety homogeneous slop is deduced, and the slope surface is consist of two lines and an arc, afterwards according to analysis theory of minimal value ruling on the basic of the maximum, genetic algorithm is applied to slove the dangerousest slide situation and radius and corresponding safely factor

    根據瑞典圓弧法的基本概念和基本假定，在極限平衡狀態下，推導了兩直線段均質斜坡穩定性安全系數函數表達式，然後根據極限分析理論的極小值原理，利用遺傳演算法，求出了邊坡穩定性安全系數極小值，並得到最危險滑動面的滑弧半徑和滑弧中心坐標。
  9. According to the above formula, the initial rigidity and ultimate moment is calculated by developed program to several kinds of gabled frames end - plate connection joint with different types ( such as end - plate connection horizontally placed, vertically placed and inclinedly placed ), different end - plate thickness, different bolt diameter. the different result is compared with different end - plate thickness, the different force arm in joints, different bolt diameters and strength grades

    按推導的公式編程計算了不同形式（端板外伸式、端板平齊式、端板斜接、柱腹板加勁） 、不同端板厚度、不同螺栓直徑的門式剛架樑柱端板節點的初始剛度、節點極限彎矩，並比較了不同端板厚度、不同節點力臂、不同螺栓直徑和強度等級、不同連接形式下初始剛度和極限彎矩的變化。
  10. One of open problems is to study harmonic maps between finsler manifolds and derive the first and second variation formula for harmonic maps between finsler manifolds. firstly, we define harmonic map between finsler manifold. in fact, it is the harmonic map from projective sphere bundle of source manifold to the projective sphere bundle of target manifold

    運算元的第一非零特徵值凡全mk .特別地，當『 ，二二k時， m的直徑為六?當m是黎曼流形時，由moer 「定理的推論直接可知m與半徑為去的球等距
  11. Abstract : based on the basic concept of the revolving shell, the equation of the middle surface generatrix of the approximate ellipsoid portion of the ellipsoidal head is derived, the unwrapped area and the unwrapped diameter of the ellipsoidal head are calculated, the result is compared with that of derived from the real ellipsoid and that of calculated from the empirical equation, relative chart and code are given out, which could be used by manufactures for reference

    文摘:根據回轉殼體的基本概念，推導了橢圓封頭的近似橢圓殼部分的中面母線方程，據此推導計算了橢圓封頭的展開面積及展開圓直徑，並根據橢圓殼幾何形狀推導的結果與經驗公式所得結果進行了比較，給出了有關圖表及計算程序，可供製造單位參考使用。
  12. When the propellant was lead styphnate and nickel hydrazine nitrate, their properties of ignition and thrust were investigated under different chamber diameter and different proportion of the mixed propellant. the influence of different thruster parameters on thruster properties was calculated

    研究了史蒂酚酸鉛和硝酸肼鎳在不同藥室直徑和藥劑配比下的點火和推進性能，並且計算了推力器參數對推力性能的影響。
  13. Moreover, six externally prestressed beams which were experimented overseas were analyzed with this method developed, by comparing the calculation result and the experiment data, it is found that the calculating method has a satisfactory precision and is worth being promoted

    利用這一概念，建立了直接通過塑性鉸區長度和曲率半徑求體外預應力筋應力和梁極限彎矩的簡化公式，用簡化公式對國外有關6片體外預應力梁進行了計算，並與試驗結果進行對比，證明本研究中的簡化公式具有較好的精度，值得推廣。
  14. This method of path optimization can directly gain access of net - flow via result of operation. it does n ' t need reversibly operation to find optimistic path

    這種路徑優化方法可以直接由運算結果確定網流的通路，不再需要反推最優路線。
  15. Based on the current theory, a set of load transfer model is proposed and the formulas of calculating the load capacity of the pile embedded in homogeneous or layered soil with their program are derived herein. the good agreement between the results and in - site test data indicates that the proposed calculation theory is accurate and reliable which can calculate the axial load applied at pile top according to the settlement of the pile top and reflect the load transfer behaviour

    依照該模型，推導了均質土和層狀土中的大直徑灌注樁的豎向承載力的計算公式，得到了按樁頂沉降量控制基樁豎向承載力理論的解析解，並編寫了計算程序，可根據樁頂沉降量直接得到作用在樁頂的豎向荷載。
  16. The relationship between periodical fluctuation of the core diameter and srl was analyzed. the method predicting srl using core diameter data fft transform was found. the formula by shadow ' s length and shadow ' s position of two vertical directions to calculate core diameter was found

    本文又推導了利用無透鏡測徑系統相互垂直兩方向的影長和影位置信息來計算線芯直徑的公式；並通過計算機模擬程序分析了該公式的誤差，得到將公式誤差降低到10 ~ （ - 2 ）微米以下的修正方法。
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