The model consists of a single advection? Diffusion equation with a source term.
此模型由一个单一的具有源项的对流扩散方程组成。
Based on the orthodox theory, a model of a single electron transistor (SET) of metallic tunneling junctions is built using the master equation method.
在正统理论的基础上，使用主方程法建立了金属结单电子晶体管的器件模型和算法流程。
Using method of qualitative theory of ordinary differential equation, studies economic harvesting model with variable price and cost for a single population.
利用常微分方程定性理论的方法讨论了价格成本变化的单种群经济捕获模型。
The system is simplified into single degree of freedom dynamics model with piecewise linear restoring forces and square damping, then the piecewise nonlinear motion equation of ALT is established.
将该系统简化为单自由度分段线性恢复刚度，含平方阻尼的动力学分析模型，建立了铰接装载塔的分段非线性运动方程。
Then, according to mathematics equation of the model, an equation of internal returns ratio and daily production of single well and well depth was derived.
然后，根据模型的数学方程推导出关于内部收益率与单井日产量和井深的方程式。
Parabolic curve function, power function, Richards equation and single molecular equation, related tree height to diameter at breast height and widely used in forest gap model, were analysed.
为了更准确地描述树高与直径的关系，文章综合分析了广泛应用于林窗模型中的四个数学方程，即二次曲线、幂函数方程、理查德方程和单分子方程。
The mathematical model of photothermal mechanism in laser ablation has been proposed and the equation of ablation depth for single laser pulse has also been deduced.
由光热消融机理给出了激光消融的数学模型，并对单脉冲激光消融深度进行了数学推导。
A rate equation model is described in this paper for the single mode multiline emis- sion from a hybrid TEA-CO_2 laser for subthreshold operation of CW section.
本文为混合型TEA—CO_2激光器亚阀值单模多线运转提出了一种改进的速率方程模型。
The master equation of the single electron triple barrier tunnel junction(TBTJ) model is developed based on the orthodox theory.
在正统理论的基础上 ，提出了单电子三势垒隧穿结模型的主方程 ，并用线性方程组解法求出了其稳态解 。
Through mathematic means of variant separation and transformation, 2d numerical model was changed into 1d numerical model and acquire the single analytic solution of the equation.
通过变量变换，分离变量等数学手段，将二维数值模型转化为一维数值模型，得出了公式简单实用，物理意义明确的解析解。
The system is simplified into a single degree of freedom model with piecewise linear restoring force and square damping, the piecewise nonlinear motion equation is established.
将该系统简化为单自由度分段线性恢复力，含平方阻尼的运动学分析模型，建立了铰接装载塔系统的分段非线性动力学方程。
In this paper, on the basis of a single-particle model, the dispersion equation is obtained after considering the first perturbation term of relativistic energy factor.
本文从单粒子模型出发，导出了考虑相对论能量因子一级扰动量影响的色散方程。
Finally, the paper verifies the hypotheses by using the descriptive statistics, the single factor analysis and the structure equation model, and gets the results.
最后通过描述性统计、单因素分析和联立方程模型对本文的假设进行验证，得出了本文的结论。
The transcendental equation for the single toroidal non-reciprocal ferrite phase shifter is obtained by using the twin slab model, and its properties are discussed.
利用双平板模型推导出了单环非互易铁氧体移相器的超越方程，并对其特性进行了讨论。
The trajectory equation of particles was put forward with Lagrangian approach on the basis of Newton law. The mathematical model of a single particle trajectory was established.
基于牛顿运动定律，用拉格朗日法推导出了粉尘粒子在荷电水雾除尘过程中的轨迹方程，建立了单个粒子运动轨迹的数学模型。
A notch filter is proposed for single complex frequency estimation problem. It is represented as state-space equation model, which has good stability.
给出了一种用于单个复频率估计的陷波器传递函数，并将陷波器模型转换成状态空间模型，此模型具有很好的稳定性。
By solving the equation numerically, the nonlinear propagation of femtosecond laser pulse with duration of several optical oscillation periods in single-model optical fiber has been simulated.
对方程作了数值解，模拟了具有几个光振荡周期的飞秒脉冲在单模光纤中的非线性传输。
By solving the equation numerically, the nonlinear propagation of femtosecond laser pulse with duration of several optical oscillation periods in single-model optical fiber has been simulated.
对方程作了数值解，模拟了具有几个光振荡周期的飞秒脉冲在单模光纤中的非线性传输。
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