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- By associating the spin vector of the inhomogeneous generalized Heisenberg ferromagnet with the binormal to a moving curve in Minkowski space, the corresponding equivalent coupled inhomogeneous integrable equation is present. 通过将非均匀推广的海森堡铁磁链的自旋矢量取为闵可夫斯基空间中曲线的次法矢量,得到相应的耦合的非均匀可积方程。
- And many integrable equations arise naturally from motions of curve. 特别地,许多可积方程也都自然地产生于曲线的运动。
- In the case of non-magnetic substances there is only one integral equation. 在非磁性物质的情况下,只有一个积分方程。
- Straightforward algebra leads to the integral equation quoted above. 上面引用了简单代数的积分方程。
- These methods can't be used not only to analyze the non integral order harmonics,but to distinguish the eccentricity and the first harmonic,and contain the lager nonlinear error. 这些方法不能分析非整次谐波,不能区分一次谐波和偏心分量,并且含有较大的非线性误差。
- XMDS is a code generator that integrates equations. XMDS是一个集成了方程式的代码生成器。
- The method was over ten times more rapid than the volumetric integral equation method. 缺陷的重构速度比用体积分方程法提高十倍以上。
- The thermal decomposition of the complex was studied by TG DTG techniques. By means of three non isothermal integral equations,the kinetics parameters were calculated. 采用TG DTG技术对其热分解过程进行了研究 ,并用三种非等温积分方程计算了动力学参数。
- By the integral to boundary layer thickness and relative conditions, the momentum integral equation of boundary layer is obtained. 通过对边界层厚度的积分并利用相关条件,得到了边界层动量积分方程。
- Surface basis function of edge element is derived and implemented to discretize the integral equation in this paper. 提出并推导了任意表面棱边单元法的基函数 ,其特性和三维棱边单元法一样 ,保持切向分量连续。
- A set of boundary integral equation (BIE) with the unknown function of opening displacement is obtained. 利用周期性的条件,将问题归结为一个典型条带中含单个裂纹的问题,并推导出了以裂纹张开位移为未知函数的边界积分方程。
- In Chapter 2, the method of moment (MoM) and the electric field integral equation (EFIE) are introduced respectively. 第二章介绍了矩量法和电场积分方程。 采用分域基函数法求解基于全等效电流的电场积分方程。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- By discretizing the Green function and using CCGM-FFT to solve the integral equation. 通过将求解的格林函数方程离散化,应用CCGM-FFT法来进行数值求解。
- This interaction can be described by Fredholm integral equation of the first kind which is extremely unstable. 为在毫米波辐射探测中求得精确的真实目标亮温,必须建立天线电磁辐射与环境电磁辐射交会的数学模型。
- Oestreich[9] deal with an optimal control problem of such a type, however for a nonlinear singular integral equation. 在这个假设条件下,我们首先证明了状态方程解的存在唯一性和最优控制的存在性.
- With the Betti’s reciprocal work theorem, the boundary integral equation can be reduced. 并通过压电体的Betti互等定理构造边界积分方程;
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- The proper value for Hammerstein type nonlinear integral equation [J].ACTA Math Sinica, 1977,20(2): 99-108. Hammerstein型非线性积分方程的固有值[J].;数学学报;1977;20(2):99-108