量綱的 的英文怎麼說
中文拼音 [liánggāngde]
量綱的
英文
dimensional-
What are the dimensions of force ?
力的量綱是什麼?Checking each step of a derivation for dimensional consistency is a useful way to look for errors.
對推導過程的每一步,都核對一下量綱是否一致,這是發現謬誤的好辦法。It is not satisfactory from a dimensional standpoint, since the power to which we raise e must be dimensionless.
從量綱的觀點來看,它是不能令人滿意的,因為e的冪必須是無量綱的。Then fuzzy maths is used here to get dimensionless form of the results, thus the quantitative index subjection model is build. by method of fuzzy statistic, the qualititive index subjection is model is build, too
運用模糊數學方法,對有無對比值無量綱化,建立定量指標隸屬度模型;對定性指標分級量化,得到定性指標的隸屬度。Heading levels determine the outline indentation
標題級別決定了大綱的縮進量。( 2 ) the liman problem is normally adopted to check the liability of numerical method. the calculation error was within 9 % by comparison with the theoretic solutions of liman problem in the following case, the dimensionless calculation length was 2 with high pressure zone 0. 8, and the dimensionless state parameters were p1 = 2, p2 = 1, p1 = p2 = 1, u1 = u2 = 0. experiment results in literature [ 8 ] were used to check the adaptability of the numerical model developed here for unconfined gas cloud explosions and the calculation error was within 13 %
( 2 )數值方法的可靠性通常用黎曼問題的解析解檢驗,本文以無量綱計算區長度為2 ,高壓區長度為0 . 8 ,狀態參數為p _ 1 = 2 , p _ 2 = 1 , _ 1 = _ 2 = 1 , u _ 1 = u _ 2 = 0條件下的黎曼問題解析解對所編制的爆炸場計算程序進行了考核,結果表明該程序的計算誤差在9以內;為考核本文計算模型預測開敞空間氣雲爆炸的適用性,以文獻[ 8 ]的實驗數據進行了校核,計算誤差在13以內。The results indicate that : the high positioned air inflow do good to heat transfer in rotator disk ; different size of radial outflow have small effects on flow and heat transfer ; the heat transfer near rotating disk increases as rotating reynold number increases or non - dimensional mass flow rate increases
結果表明,高位軸向進氣對轉盤換熱有利;不同的徑向出口大小對盤腔內的流動換熱影響不大;隨旋轉雷諾數和無量綱質量流量增加,轉盤盤面的換熱效果增強。By comparing the results with relative experiment data, it is shown that rng k - is more exactly than the other turbulent model. 2 ) the influences of axial inflow position, radial outflow size, rotating reynold number, non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow, radial inflow and radial outflow. the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established
( 2 )針對一典型的徑向、軸向進氣,徑向出氣的轉-靜盤腔結構,系統研究軸向進氣位置、徑向出口大小、旋轉雷諾數、無量綱質量流量和軸向垂直預旋進氣等對盤腔內流動和換熱的影響,整理出轉-靜盤腔內轉盤平均努謝爾數與旋轉雷諾數無量綱質量流量之間的準則關聯式。Firstly, in order to treat the local weakened effect of the crack on the shaft, the equivalent line - spring model is built. then the constitutive equations are derived and the flexibility model of the rotating shaft is discussed. based on the lagrange equations, the non - linear dimensionless differential equations of the single rotor system with the disk and crack located at an arbitrary position of the shaft are obtained
首先為處理裂紋對軸的局部削弱作用,提出了等效線彈簧模型,推導了線彈簧彈性本構關系,獲得了裂紋轉動軸的柔度模型,然後,應用lagrange方程建立了盤和裂紋處于軸任意位置的無量綱的單盤轉子系統的非線性運動控制微分方程。Dimensionless quantities in physics are those that require no unit.
物理學中無量綱的量就是不需要單位的量。Dimensionless numbers may result either from counting or from taking the ratio of two quantities expressed in the same unit of measurement.
無量綱的數,或者由計數而得,或者由求兩個採用同一計量單位的量之比率而得。Labor value theory : the statistical dimension for socialist market economy
勞動價值論是社會主義市場經濟統計量綱的理論基礎What good are dimensions then, if we really measure dimensionless numbers
既然我們測量的是無量綱的數字,那量綱有什麼用呢?This formula used inverse regression and data fusion technical and maximum likelihood theory, then this method enabled random sample value obtained in ultrasonic and rebound method of different detection population to mix together effectively, and reach estimation of concrete strength
該公式利用逆回歸理論、數據融合技術和最大似然原理,將回彈值和聲速值分別看作被解釋變量,將來自超聲法和回彈法不同量綱的檢測數據進行有效融合,得出混凝土強度的推定值,該推定結果具有無偏性和方差最小性質。The non - dimensional relationship of load - bearing capacity is put forward, the virtue of which is that, given the same ratio of limb length to thickness, one curve presents many kinds of section dimensions and concrete strengths, thus the quantity of present relation curves is greatly reduced
提出了無量綱形式相關曲線,無量綱的優點是當柱截面長、厚比相同時,一條曲線可以代表多種截面尺寸和混凝土強度,使目前的有量綱相關曲線數量大大減小。In addition, the thesis has gained a little innovative achievements which are differ from other scholars, such as classifying the carrying objects of environmental carrying capacity, establishing the index system of environmental carrying capacity, unifying dimentions, modifying the initial coefficients and making use of hierarchy and vector analytical method to analyze environmental carrying capacity quantificationally
本文在環境承載力承載對象的分類、環境承載力指標體系的構建、統一量綱的方法、初始權重的修正以及採用層次矢量分析法量化研究環境承載力等方面進行了不同於其他學者的新嘗試。How to uniform the units of all kinds of environmental impact factors is deeply discussed. furthermore, the proportion method is looked upon as a new method to solve this problem, in this paper. finally, three groups of examples are discussed, in this paper
另外本文還對同樣存在爭議的單項環境影響因素的指標化處理問題進行深入研究,在介紹現有的處理方法的基礎上,提出新的解決方案,認為可以用比值法解決不同量綱的環境影響因素的指標化問題。The proposed function has same properties just as the ones of paper [ 1 ], unifies the forms when the intervals have common endpoint or not, avoids the impact of the level and dimension of values and make the extension analysis be more objective, is continuous for all real field but the common one, gets the maximum value at the midpoint, and has more applicability
該初等關聯函數具有與文[ 1 ]初等關聯函數相似的性質,且統一了有公共端點和無公共端點區間類型,能消除量級和量綱的影響,使得可拓優度評價結果更客觀,在除了公共端點外的全體實數域內連續且在中點取得最大值,並有更寬的適用范圍。Obtains two kinds of quantity group based on the similitude principle, i. e. the dimensionless similarity criterion and the dimensional thermal stratification height
根據相似原理綜合各因素得到了兩種形式的綜合量:無量綱的相似準則和熱分層高度等量綱不為一的綜合量。When impact applies on a discrete system in which one of constraints is a constant with coulomb friction, the phenomenon of slip - stick at the point can cause the change of friction and the integration for frictional force during infinitesimal impulsive interval becomes impossible according to traditional impulsive dynamics of discrete systems. by introducing a new dimensional time parameter, first - order momentum - impulse differential equations are obtained and the discussion over infinitesimal impulsive interval is transformed into a piece - wise study on the finite region of impulse
在引入新的無量綱的時間參數后,通過建立相應的動量-沖量的一階微分方程,在趨近於零的沖擊區間的討論變為在有限區間中來分段研究含滑動-黏滯的沖擊過程,得到了受到多點打擊的離散系統考慮庫侖摩擦時的動力學的求解方法,即根據沖擊前的初始狀態無需回到繁瑣的微分方程的求解便可以得到沖擊后系統的動力學響應。分享友人