理论模型

For the former, the binding energy is small and the size is large, with the typical example being the deuteron. For the later, the binding energy is large. d〓 is a typical example, whose binding energy is hundreds of MeV, Even taking into account the theoretical errors, it is still a stable dibaryon candidate.

前者的束缚能较小，半经相对较大，典型代表是氟核d；后者有较深的束缚势阱，最典型的例子是d*，它的束缚能达到数百MeV，即使考虑到理论模型的误差，它仍然可能是紧束缚的双重子态。

The model results show that when the CT is cycled under the action of an internal pressure, fatigue cyclic softening inevitably leads to the diametral growth.

理论模型计算结果表明，当连续油管在内压下循环弯曲时，疲劳循环屈服强度衰减不可避免地导致直径增长。

A circularly dichromatic pump-probe model is developed with both spin-polarized-dependent band filling and band-gap renormalization effects taken into account.

考虑自旋极化依赖的带填充效应和带隙重整化效应，发展了圆偏振光抽运-探测光谱的理论模型。

In this part, the most important work is how to establish differential equation.

分析振动的方法，最主要的就是建立理论模型，即微分方程。

To study this situation,this paper proposes a theoretic and dynamical differential game ,in which the utilities of the two kinds of producer are the discounted profits and their decision variables are their choices of energy extraction and production.

就此情形构建了两类能源的生产者以各自的市场利润最大化为目标，以能源的开发与市场供给时间路径为战略选择的一个动态微分博弈的理论模型，研究两类能源并存的能源市场的均衡路径，分析两类能源的市场供给、市场价格、不可再生能源储量等经济变量的均衡特征和时间依变性质。

The effect of HO_3OH structure on diol self-association was summarized.

通过密度泛函理论模型计算研究了单体、二聚体和三聚体的结构，总结了HO_3OH结构对二元醇分子自聚集的影响规律。

The problem of how the coherent structures in the wall region of a turbulent boundary layer could be excited by the disturbances from the outer region was investigated by using direct numerical simulation method.

应用直接数值模拟的方法，研究了湍流边界层近壁区由于外区扰动的作用而导致相干结构产生的问题·结果表明：在湍流边界层近壁区的上边界存在的速度扰动，可以在近壁区内激发出相干结构，从而完善了单个相干结构的理论模型

During the calculation the results got by quintic spline kernel was the best so it was chosen as the proper kernel for the SPH simulation. By comparison of the simulation results got by SPH and finite volume method, it was proved that the buffer cells method proposed in the SPH simulation to implement the Dirichlet boundary conditions was accurate, and this is of great importance for the simulation of flows pass a pipe. At last, the SPH method was improved to simulate the liquid-solid two phase flows and the results show that this method was appropriate for the simulation of flows containing viscous fluid and macroscopic solid components. Now the two methods are both able to predict the continuum flows and rarefied flows severally, but the hybrid program still has some aspects to be improved.

首先用标准算例验证了SPH方法的理论模型和计算程序的准确性；通过比较确定选用五次样条核作为计算低雷诺数下的粘性连续流动时的核函数；采用SPH方法和有限体积法分别对同一管道流动进行了对比计算，证明了本文提出的边界缓冲区方法在实现SPH方法中的流体边界条件时的有效性，解决了SPH方法模拟管道流动时的一个关键问题；巧妙地使用SPH方法对化工分离流动中常见的固液两相流及固液耦合作用进行了模拟尝试，获得了较好的结果；在跨尺度计算方面，目前两个子程序已经能够分别模拟连续的和稀薄的二维管流问题，二者的耦合计算程序还处于调试和优化阶段，各个参数对于计算精度和计算速度的影响规律仍在探索中。

In this model, a whole chromatography separation process is described with recursion equations of the discrete state vector and corresponding discrete initial-boundary conditions.

该理论模型把色谱分离的整个过程离散为一系列指定时间的溶质空间分布热力学状态的态矢量。

In addition, the velocity and pressure distribution of the laser-induced plasma shock wave as a function of distance is presented.

进而采用自行研制的光纤传感器跟踪探测等离子体冲击波的形成及发展过程，从实验验证了该理论模型的正确性。

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％。