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矩计算
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  moment calculation
     AN INVARIANT MOMENT CALCULATION METHOD FOR BINARY IMAGE WITH LINEAR COMPLEXITY
     具有线性加法复杂度的二值图象不变矩计算方法
短句来源
     Using the dependability concept of shallow inundation water jump, a simplified and feasible method for the hydraulic calculation of energy dissipation sill is put forward to improve the traditional definite design on the basis of the first-order second-power moment calculation method.
     利用低淹没度水跃保证率的概念 ,使用一次二阶矩计算方法 ,对消能坎的水力计算提出了简单可行的方法 ,改进了传统的确定性设计。
短句来源
     The origin and substance of the flywheel moment calculation method of inertia moment of crane mechanism are set forth comprehensively and systematically in this paper, that is, the nucleus or the focus of moment of inertia calculation is the problem of calculating convertible flywheel moment.
     本文全面系统地阐述了起重机机构惯性力矩的飞轮矩计算方法的由来及其实质——惯性力矩计算的核心或焦点是计算换算的飞轮矩。
短句来源
     Then, a new algorithm of moment calculation is used to extract the invariable features.
     然后,提出一种新的矩计算方法提取目标的不变性特征。
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  “矩计算”译为未确定词的双语例句
     Theory of Polymer Mass Moments for the Polycondensation Reaction of A_a-B_bType
     A_a-B_b型缩聚反应高分子质量矩计算
短句来源
     According to a statisticmoment algorithm, the results of calculation showed that T_(1/2)= 2.92 h and F_(rel)= 118.8%.
     以统计矩计算得T_(1/2)=2.92h,与口服溶液相比,F_(rel)=118.8%。
短句来源
     The parametes T 1/2β (3.40±0.27)h and AUC (34.46±4.34) mg·L -1 ·h,MRT 3.50 h to Lyophilized Injection and T 1/2β (3.50±0.62)h, AUC (25.73±6.42) mg·L -1 ·h,MRT 2.52 h to Taxol.
     AUC分别为(34. 46±4. 34)mg·L-1·h和(25. 73±6. 42)mg·L-1·h,统计矩计算二种剂型的体内滞留时间分别为3. 50h和2. 52h。
短句来源
     Using the eigenvector obtained we had calculated the relative transition moments for the electronic vibration bands of 2A 1~ 2B 1 and the emission lifetimes of the electronic excited state 2A 1 . It was found that the theoretical calculated results agreed well with the experiment ones.
     由计算得到的态函数和基态电偶极矩 ,计算NH2 自由基 A2 A1~ X2 B1电子振动相对跃迁矩和电子激发态 A2 A1的荧光寿命 ,理论计算结果与实验值符合较好。
短句来源
     THE CALCULATION METHOD OF FLYWHEEL OF INERTIA MOMENT OF CRANE MECHANISM
     起重机机构惯性力矩的飞轮矩计算方法
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  相似匹配句对
     We also give a new correction factor to simplify the calculation of the Unstatistic.
     的计算
短句来源
     C0MPUTATION 0F M0MENTS 0F 0RDER STATISTICS
     次序统计量计算
短句来源
     Computation concerning the Invriant Moment of a Symbol
     字符的不变计算
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     Computational atmospheric acoustics
     计算大气声学
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  moment calculation
In moment calculation, the maximum value of the variance and skewness of the vertical turbulence velocity normalized by vertical velocity scale and, are 0.43 and 0.23, respectively.
      
The complexity of moment calculation increases substantially with each higher moment; it is prudent to seek a shortcut to the limit via a method that avoids the computation of all moments.
      
Free moment calculation could be a supplement insight into the standing balance of scoliotic subjects.
      
Moment calculation of vacancy-induced spin diffusion in bcc solid3He
      
Our recursive derivation allows for explicit expressions and recursive equations for the coefficients used in the final moment calculation.
      
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In calculating the strength of V-shaped bottom structure of a planing craft, there occurs a problem of how to calculate the virtual moment of inertia of V-shaped plating.The determination of scantlings of bottom structure largely depends upon the accuracy of the calculated virtual moment of inertia.In the present time, the formulas given by Papkovich, Shimanski and Kurdumov are generally used by naval architects.However, for a given structure, by applying the above three methods, we have obtained quite different...

In calculating the strength of V-shaped bottom structure of a planing craft, there occurs a problem of how to calculate the virtual moment of inertia of V-shaped plating.The determination of scantlings of bottom structure largely depends upon the accuracy of the calculated virtual moment of inertia.In the present time, the formulas given by Papkovich, Shimanski and Kurdumov are generally used by naval architects.However, for a given structure, by applying the above three methods, we have obtained quite different results, and there are also some defects in the assumptions used in each method. A method mostly applied to calculate the strength of materials and the bending theory of beams (including deflections due to shear) have been used by Papkovich to solve the problem of virtual moment of inertia of V-shaped plate.Based on the plane problem of theory of elasticity, Shimanski assumed the plate to he infinite width, and obtained formula for calculating the virtual moment of inertia under two boundary conditions, i.e.the keelson is either simply supported or fixed.By using the theory of beams on an elastic foundation, Kurdumov has taken account of the plane stress condition of the bottom plate and also the case of a keelson having different end fixity only without consideration of the influence of the deformation in bulkheads.An effort has been made by authors in order to make the results more accessible to practical condition.Three V-shaped bottom structure models of different angle of rise, plate width, under different boundary conditions were tested, experimental results are compared with theoretical ones obtained by the authors' method.On the basis of experiments the authors propose a method for calculating the virtual moment of inertia of the V-shaped bottom structure.

在对带斜升的艇底板架板架进行强度验算时,会遇到斜升底板虚惯性矩的计算问题。虚惯性矩计算精确与否,与决定船底各构件的尺度及其分布有很大的关系。目前在设计单位所采用的计算公式多系苏联学者所提出的:如伯潑考维奇法,施孟斯基法以及库尔求莫夫法等。对同一结构在决定其虚惯性矩时,用此三者的计算方法,所得的结果相差很大。且各人的假定还有其不足之处。伯潑考维奇将斜底板以计及剪切变形梁弯曲基本理论为出发点,应用材料力学方法求介虚惯性矩。施孟斯基则以弹性理论平面问题为基础,设底板为无限宽,得到二个极端情现下虚惯性矩计算公式:即龙骨处于自由支持或绝对刚性固定的边界条件。库尔求莫夫别以弹性基础梁的理盐,又计及底板的平面应力与龙骨二端处于不同的边界条件。却未考虑到仓壁变形对虚惯性矩的影响。鉴于上述原因,为了使计算方法能更符合实际情况,对以上的计算方法提出改进的意见。并通过对三种不同斜升角、宽度以及不同的边界条件斜升底板的模型试验,来校验所改进计算方法的精确程度。把试验结果与理论计算比较。在试验基础上提出对斜升废板虚惯性矩计算方法的建议。

It is difficult to calculate the higher order moment of the random variables in a general way,therefore it appears very important to attain its evaluation. This paper proved the following two theorems of k-th absolute moment for two-point distribution.Theoriem 1. If each of the independent random variables ξ1, ξ2, …,ξn has a two-point distrbutionthen for real number sets {a1, a2, …, an } we obtainWhereTheorem 2. If each of the independent random variables ξ1, ξ2, …,ξnhas a two-point distributionthen for real...

It is difficult to calculate the higher order moment of the random variables in a general way,therefore it appears very important to attain its evaluation. This paper proved the following two theorems of k-th absolute moment for two-point distribution.Theoriem 1. If each of the independent random variables ξ1, ξ2, …,ξn has a two-point distrbutionthen for real number sets {a1, a2, …, an } we obtainWhereTheorem 2. If each of the independent random variables ξ1, ξ2, …,ξnhas a two-point distributionthen for real number sets { a1, a2, …, an } We obtainWhere

随机变数高阶矩的计算一般来说是困难的,因此估值显得很重要。本文对于二点分布K阶绝对矩证明了如下两个定理: 定理1.如果独立随机变数§_1,§_2,…,§n都有二点分布则对于实数集{a_1,a_2,…,a_n}有其中 定理2.如果独立随机变数§_1,§_2,…,§n都有二点分布则对于实数集{a_1,a_2,…,a_n}有 其中

UHF-INDO LCAO SCF MO calculations of cyanoacetio acid free radical (NCCHCOOH)were carried out. The program used is Pople's CNINDO. Data calculated for radical structure of cyanoacetic acid are presented and compared with available experimental results in Tables 1 and 2 and Fig. 2~7 in the Chinese Text.It is confirmed by ESR spectra study and INDO calculation that the free radical trapped in the irradiated single crystal of cyanoacetic acid is in the form of NCCHCOOH. Molecular orbital coefficient, electron density,...

UHF-INDO LCAO SCF MO calculations of cyanoacetio acid free radical (NCCHCOOH)were carried out. The program used is Pople's CNINDO. Data calculated for radical structure of cyanoacetic acid are presented and compared with available experimental results in Tables 1 and 2 and Fig. 2~7 in the Chinese Text.It is confirmed by ESR spectra study and INDO calculation that the free radical trapped in the irradiated single crystal of cyanoacetic acid is in the form of NCCHCOOH. Molecular orbital coefficient, electron density, net atomic charge, spin density and hyperfine coupling constant are calculated for NCCHCOOH radical.Calculations of the isotropic hyperfine coupling constants and the total energy as a function of the NC--C--and--COOH torsion angle θ were carried out and the planar conformation is established in correspondence with a minimum in the total energy of the potential barrier of internal rotation about the carbon-carbon bond calculated to be 7.22 kcal/mol. The isotropic hyperfine coupling constant varies with different torsion angle θ. The best agreement between calculated and observed isotropic constants is found for θ=37°.

本文应用UHF-INDO方法研究了氰乙酸自由基的结构.计算了氰乙酸自由基的本征值.本征向量、价电子密度、自旋密度、各向异性耦合常数、各向同性耦合常数以及总能量、键能和偶极矩:计算的各向同性耦合常数和各向异性耦合常数与实验值符合很好.

 
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