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The model has also shown to be robust regarding changes in Young's modulus, Poisson's ratio and yield stress since very small changes in stresses and deformations occurred when changing these parameters.

该模型也显示出强劲的有关变化的杨氏模量，泊松比和屈服应力，因为非常小的变化，压力和变形时发生改变这些参数。

By means of electric potential method and anodic stripping voltammetry , the trace Cd~(2+) in the soil samples of rich iron content can be determined by a 883—model polarograph, with the mercury membrane electrode of silver base sphericity as the indicating electrode and a large area of sheet—silver electrode as the reference electrode.

本文应用电位法，采用银基球型汞膜电极为指示电极，大面积银片电极为参比电极和883型极谱仪，阳极溶出法测定大量铁存在下的土壤样品中痕量镉。

When the IPR method is used in the cases that there are few sources with same frequency, the matrix composed of noise eigenvectors is processed complexly. So we construct the matrix for computing the coefficient of polynomial with signal subspace.

针对IPR算法在信号较少时，噪声特征向量构成的矩阵计算量较大的问题，改进算法从信号子空间出发求出构造多项式的系数，从而求得到达角。

The deposit is known for higher resistivity of the ores than the wall rocks, high mean content (1612 x 10 -6 ) of strontium in the tuff and ever higher (4597 x 10 -6 ) in the porphyrite, and prominent biogeochemical anomaly associated with the plant ecologic variation in the mining area.

根据锶矿为强电阻体，矿石与围岩电性差异大，龙王山组晶屑凝灰岩中锶的平均含量高（1621×10－6），安山玢岩含锶量更高（4597×10－6），矿区生物地球化学异常显著，常见的植物生态呈现变异现象等特征，研究归纳出溧水爱景山锶矿床综合技术方法找矿模型，在所预测的远景区中，发现了锶矿。

Two basic theorems are given by researching Hamilton's two steps linear differential equations of bender equations which provide widespread application methods of normal differential operator correspond to ladder operators,then the solutions of general equations are obtained by taking advantage of the two above theorems: The energy eigenvalue equation of one-dimensional oscillator; the common state of ; the radial equation of a bondage state of hydrogen atom; the radial equation isotropic three-dimensional harmonic oscillator; the infinity deep potential well of ball

本文通过研究束缚态本征方程里的哈密顿算符的二阶线性常微分形式，给出两个基本定理并证明，提供构造二阶线性常微分算符相应的阶梯算符的普遍实用的方法，然后利用这两个定理构造量子力学中常见力学量的阶梯算符，并用以计算其能量本征值和对应本征函数：一维谐振子的能量本征方程；共同本征态；氢原子束缚态径向方程；三维各向同性谐振子的径向方程；无限深球势阱。

MethodsThe proper extracting condition was optimized by orthogonal tests with the amount of extracted total flavonoids and the ratio of poultice as index in Herba Lysimachiae.

方法通过正交试验以处方中金钱草中所含总黄酮的提取量和出膏率为定量指标，确定合理的醇提取工艺。

It is found that the limited maximum number of injected Li+ ions is predicable through the variation trendaney of interface potential.

通过实验发现：界面电位差的变化趋势能够反映出氧化钨薄膜的Li+离子阈值注入量的大小。

It depends on the increment of invariants of the stress, and therefore is independent of the rotation of the principal axes of stress.

使用张量函数表示定理，给出了内变量演化方程的一般表达式，它取决于应力不变量的增量，因而与主轴旋转无关。

Based on the equations, the contact spots on the face gear are simulated and analyses are conducted on the rule of the principal curvature of the contact points on the pinion and the face gear as well as the rule of the maximum press stress of the contact areas on the face gear.

根据布希涅斯克问题的求解方法，给出了传动中面齿轮上接触区域的椭圆长、短半径、中心最大变形量、最大压应力以及载荷分布的方程，分析了接触中心最大压应力的变化规律，实现了接触斑点的可视化仿真。

It is shown that the atmosphere turbulence slows the downtrend of the twist parameter,gives rise the peak value of wave front curvature in the principal direction,degrades beam′s coherence and increases the spreading of beams.

根据有扭曲的各向导性高斯-谢尔模型光束在大气湍流中传播距离z处的部分相干复曲率张量给出了光束参量的表达式和详细的数值计算结果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。