equation of time

Taking the parallel connection resistance model, a theoretical description of the MR effect in heteroepitaxial diamond films is presented by solving the Boltzmann transport equation in the relaxation time approximation.

通过求解弛豫近似下的Boltzmann方程，利用并联电阻模型，研究了P-型异质外延金刚石膜的磁阻效应。

The double-wave function quantum theory is applied to gain the time evolution equation to describe the physical quantities of a single motional particle in the one-dimensional Morse potential.

应用双波函数理论，得到了一维Morse势中粒子运动状态的力学量的时间演化方程。

Equations of steady drawdown, seepage velocity, quasi steady time and ideal well distance were obtained through analytic seepage equation.

通过分析理论解，从中得出稳态降深方程、稳态渗流速度方程、准稳态时间方程和理想井间距方程。

With the increase of overlying effective pressure ( p), the linear correlation between stepout and porosity declines, which shows that Wyllie time average equation is sensitive in the low-pressure range.

随着上覆有效压力（p）的增大，时差与孔隙度的线性相关程度减弱，说明Wyllie时间平均方程在较低压力范围内敏感；

At the same time, the fluid cell kinetic model of jet deflection is established directly from N S equation.

同时直接从NS方程出发，建立了射流偏斜的微元体运动模型。

By introducing Singh-Mitchell stress-strain-time relation equation, and combining the lab tests, we analyze and give the creep form of Shanghai very soft silt clay.

通过引入Singh－Mitchell应力－应变－时间关系方程，并结合上海淤泥质粉质粘土的有关室内试验，分析得出了上海淤泥质粉质粘土的蠕变形式。

According to the theory of equivalent time, creep as a function of equivalent time is expressed. By fitting experimental data, parameters of creep in equivalent time field are obtained; initial strain implicit solution of elastic creep equation in equivalent time field is derived.

根据等效时间理论，将徐变表示为等效时间的函数，通过拟合试验数据，得出等效时间域弹性模量和徐变度公式的计算参数，推导了等效时间域的弹性徐变方程的初应变隐式解法。

Considering the influences of the thermally induced diffraction losses and the turn-off time of AO Q-switch on the dual-wavelength pulse, a rate equation model describing the actively Q-switched laser with AO modulator has been established.

在考虑到热致衍射损耗及声光开关时间对双波长调Q脉冲性能影响的基础上，给出了描述LD泵浦调Q双波长激光运转速率方程模型。

Utilizes differential equation to discuss the modeling of time series system, and presents the method of modeling forecast about blankness and gurgitation time series.

利用微分方程数值解法对时间序列系统建模作了新的探讨，给出了单调型和起伏型时间序列的建模预测方法。

The transformation property of the general covariant equation under charge conjugation, space inversion, time reversal and strong reflection is studied.

本文讨论了广义协变方程在电荷共轭变换，空间反演，时间倒逆和强反射下的变换性质。