您要查找的是不是：
- resistance variation method 变阻法
- Successful use of the variation method depends on our ability to make shrewd choice of the trial function. 成功地应用变分法取决于对尝试函数作精明选择的能力。
- The cluster variation method(CVM)has been used widely in the research of or-der-disorder transformation. 原子集团变分法广泛地应用于有序-无序相变的研究。
- The resistance variation of carbon-epoxy composite during strain and flexural were studied on this paper,and the relation curve of the resistance with strain was drawn. 本文研究了碳/环氧复合材料在拉伸和弯曲过程中试样电阻率随外力作用而变化情况,并建立了电阻与应变关系曲线。
- Induction motor stator resistance variation due to temperature and stator frequency is one of the reason for the performance degradation of DTC at low speed. 感应电机定子电阻随温度和定子电流频率变化,是影响直接转矩控制低速性能的主要原因之一。
- An universal dynamic equation for unrestrained body has been derived in the form of tensor by using variation method. 用张量形式通过变分原理导出了无约束物体的动力学普适方程。
- The electronic structures of Ca_3Co_2O_6 and Ni-doped ones are calculated using density functional and discrete variation method(DFT-DVM). 用离散变分密度泛函方法(DFT DVM)计算了钴酸盐Ca3Co2O6及其掺镍体系;讨论了电子结构;化学键等与热电性能之间的关系.
- A restricted variation method is used to extrapolate a better nonrelativistic energy.The relativistic corrections and mass polarization are included. 运用截断变分方法进一步饱和函数空间得到能量的改进量，并考虑相对论修正、质量极化效应等获得了相对论能量计算值。
- Application of the continuous variation method for determining stoichiometry and binding mechanism to Fe-Fz systems has been treated. 本文应用连续变化法研究它们之间的相互作用。
- We must seek two main approximation methods of solution, the variation method and perturbation theory. 我们必须寻求两个主要的近似解法、变分法和微扰法。
- We have studied the cyclotron-resonance frequency of a strong-coupling magnetopolaron in the quantum well wire with the use of variation method of Pekar type. 摘要采用变分法研究了量子阱线中强耦合磁极化子的迴旋共振频率。
- Electronic structure, chemical bond and net charges of Ca_3Co_4O_9 system are studied by density function theory and discrete variation method (DFT-DVM). Ca_3Co_4O_9体系的计算是采用离散变分法对其电子结构、化学键和电荷分布等进行计算。
- The selection of alfalfa resistance variation cells 苜蓿抗性变异细胞系的筛选
- Variational method for adaptive plane gridding image segmentation[J]. 引用该论文 郑毅;刘上乾.
- The three-dimensional paraxial Gaussian beam propagation properties is investigated in axial symmetric strongly nonlocal nonlinear media by the means of variation method, the parameters′ evolution law and a critical power is obtained. 利用变分原理,研究了三维傍轴高斯光束在轴对称强非局域非线性介质中的传输特性,得到了傍轴高斯光束各参量的演化规律和一个临界功率。
- The relations among composition, structure, chemical bond and property of composites of TiC/Al2O3 ceramic and doped series are studied by using density function and discrete variation method (DFT-DVM). 用离散变分密度泛函方法研究了TiC/ Al2O3与掺杂系列复合陶瓷材料,讨论了材料组成、结构、化学键与性能等之间的关系。
- This paper uses the variational method to calculate the configurations of projectile nose with the minimum drag under the conditions that the sum of nose wave resistance and frictional resistance satisfies the extremes (Euler equation). 本文通过变分法,在同时考虑弹体头部波阻、摩擦阻力二音之和满足其极值条件(欧拉方程)时,得到了最小阻力的头部外形。
- The relations between electronic structure,chemical bond and thermoelectric property of misfit layered cobaltite of Ca_3Co_(4)O_9 and La-doped series are studied using density function and discrete variation method (DFT-DVM). 用离散变分密度泛函方法(DFT DVM)计算了失配层钴酸盐Ca3Co4O9及其掺La系列,讨论了电子结构、化学键等与热电性能之间的关系。
- The research examines the quantitation separation of formation and the composition of the stability constant of Co-NRS chelate in Tween80 employing mole ratio method and continuous variation method. 通过摩尔比法和连续变化法测定了吐温80固相中，Co-NRS螯合物的组成比和累积稳定常数。
- First, we use variation method and Bessel function orthogonality to deduce the dispersion function of the slow-wave structure under the condition of neglecting the thickness of disk. 首先完善了忽略膜片厚度时同轴交错膜片加载慢波线的理论分析,采用变分法和贝塞尔函数的正交性导出其色散方程,并对理论结果进行了数值计算。
