查询词典 principle of superposition

This paper established an approach, based on the superposition principle, for providing models and solutions for arbitrarily oriented fractures. So the anisotropism of fractured formations is estimated quantitly.

基于叠加原理，本文建立了裂缝网络的分析模型并推导出任意方位裂缝的渗透张量的表达式，据此可对裂缝性储层的各向异性进行定量评价。

If Q2 were negative, this might be representation of E2, pointing to negative charge, and if this one (Q3) were negative, then I would have here the contribution E3, and so on, and now we use the superposition principle as we did last time which Coulomb's law, that the net electric field at point p is a vector, is E1 influence of charge Q1, plus the vector E2, plus E3 and so on.

如果Q2是负的，这就是Q2的表示法，方向指向负电荷。如果这个是带负电，它将贡献电场E3，等等。现在我们使用叠加原理，就像我们上次在库伦定律中使用到的。

By means of image theory and potential superposition principle,this paper presents the analytic solution of water cresting height and lateral distance from wellbore under steady flow,and optimizes the optimum wellbore placement.

该文利用镜像反映和势的叠加原理，给出底水油藏水平井稳定渗流情况下不同时刻和临界条件下底水脊进高度和水脊面距井轴的侧向距离的解析解，同时结合矿场实例给出实际优化水平井最佳井筒位置，其结果和方法对底水油藏水平井油藏工程设计和理论研究具有一定的指导意义。

Based on the superposition principle, how to determine the critical angle of input seismic wave for complicated structures is discussed in detail by using response spectrum method.

因此，本文首先探讨应用弹性反应谱法确定最不利输入方向的基本原理及其在实际结构中的影响；其次在回顾前人研究的基础上，通过对最不利输入方向标准的探讨，提出一些建议。

Second, transient flow for vertical well and fractural well in porous media with arealanisotropy has been researched in this paper. The analytic solution for vertical well andsemi-analytic solution for vertical fractural well is developed by using image inversion,superposition principle, Laplace transformation, Fourier transformation, as well as theirinverse transforms, and storage and skin are taken into account. For vertical fractural well,influence of pressure and productivity is studied when the orientation of artificial fractureisn't in accordance with the direction of major permeability, it is fundamental to evaluatepotential and analyze well test data.

文中研究了平面各向异性储层不定常渗流问题，建立了平面各向异性储层交叉直线边界中一口直井渗流的数学模型，利用镜像反演、Laplace变换、Fouier变换及其反变换推导了不同边界条件下直井的Laplace空间解析解，考虑井储和表皮的影响，分析了曲线特征及影响因素的敏感性曲线；并运用影响椭圆及Duhamel叠加原理，推导了平面各向异性储层中垂直裂缝井的压力分布方程，考虑了水力裂缝与主渗透率轴成一定角度对压力及产能的影响，为垂直裂缝井的产能评价及试井分析提供依据。

According to the structure feature of the weakly meshed distribution network, a new three-phase power flow method based on the superposition principle is proposed in this paper.

针对少环配电网络的结构特点，提出了一种基于叠加原理求解少环配电网三相潮流的新方法。

Net ameliorates the traditional polynomials image registration method, puts forward a new method using orthogonal polynomials, expatiates the principle, arithmetic of this technique, and then realizes the clipping registration and superposition of vectorgraph and remote-sensing image.

Net 平台的基础上，改进了传统的多项式图像配准方法，提出了一种利用正交多项式进行图像配准的新思路，从而进一步实现了矢量图与遥感图像的快速叠合。

Based on superposition principle, a new type of m echa nically driven non-sinusoidal oscillation device has been exploited.

采用运动的叠加原理，开发出一种机械驱动的非正弦振动装置。

On the basis of time-temperature superposition,the principle,shift formula and factor of load superposition were represented,which could accelerate creep test of geosynthetics and predict its long term behaviour.

土工合成材料蠕变性能的研究目前正逐步受到重视，但目前对土工合成材料蠕变性能的研究都只限于长期的室内蠕变试验研究和蠕变模型研究。

The explicit solution of the strain energy release rate of crack propagation along the pure bend sandwich beam specimen has been deduced in the paper by use of the superposition principle of the energy and section inversion method. Based on the critical load of crack propagation along the interface through the testing measurement, the fracture toughness of four-point bending Si3N4/Al/Si3N4 specimens along Si3N4/Al diffusion joining interface has been obtained by using the explicit solution.

利用能量的叠加原理和截面转换方法，本文导出了纯弯曲Sandwich梁试样界面裂纹扩展应变能释放率的显式解，并根据实验测得的界面裂纹扩展的临界载荷，用其计算出了四点弯曲Si3N4/Al/Si3N4试样Si3N4/Al扩散连接界面的断裂韧度。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。