格林函数

The existence and uniqueness of solution for FROE is proven,and its analytical solution is given.

证明了分数阶Relaxation-Oscillation方程解的存在惟一性，并利用格林函数给出了它的解析解。

In part one,because there is no long-range order in one-dimensional(1D)system,generalized second-order Green's function theory isused to 1D spin-1 antiferromagnetic spin chain.The Haldane gapin the excitation spectrum appears naturally in the analytical re-sult;When k is zero,there is a gap 2Δ.

第一部分中，在长程序为零的条件下，我们应用推广的二级格林函数理论，讨论了自旋为1的反铁磁一维链，Haldane能隙在解析结果中自然地得出，在k＝0时，能谱中存在一个2Δ能隙，Δ＝0.5J。

In the end, the further improvement of semi-empirical Green's function method is discussed.

同时对经验格林函数法需进一步改进的方向进行了探讨。

In chapter 2 the Hamiltonian and the equation ofmotion of Green function are given.

于第二章给出了系统的哈密顿和求解自旋波的格林函数运动方程。

Methods to estimate Green's function matrix are presented in detail and relations between these methods are stated.

本文详细推导了声场格林函数矩阵的各种估计方法，统一了各估计方法之间的关系。

In this thesis,we have studied the properties of polaron of a low-dimension system using Green function method.

本论文主要利用格林函数理论研究低维系统中的极化子性质。

As integral and coordinates Green function unrelated to be made more widely used.

由于积分与坐标系无关使得格林函数得到了更广泛的应用。

Matrix expression of acoustic field and Green's function are introduced in detail.

对声场的简正波形式的矩阵表达式以及声场格林函数矩阵进行了详细介绍。

On the Computation of the Dyadic Green's Function by the Theory of Distribution——Ⅰ.

计算并矢格林函数的分布理论法Ⅰ。

The third chapter introduces the strict theory of dealing with quantum transport: nonequilib-rium Green\'s function.

第3章介绍了处理量子输运问题的严格理论：非平衡格林函数。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。