查询词典 spherically

In Chapter 4,we prove the existence of global weak solutions to the compressible NSP equations with density-dependent viscosity coefficients when the initial data are large and spherically symmetric by constructing suitable aproximate solutions.

在第四章里，对于粘性系数依赖于密度的等熵可压缩NSP方程，在R~3中包含球心的球状区域内，我们得到了大始值的，球对称弱解的整体存在性。

We use the boundary integral method to simulate the spherically symmetric collapse of a cavitation bubble, a free-surface potential problem having analytical solution. Evolving error curves are given in the thesis, and the influences of various discretization methods on the accuracy and the stability are compared.

我们使用边界积分法模拟空化气泡的球对称溃灭，一个具有分析解的自由面势流问题，给出了计算误差的演化曲线，比较了各种数值离散法对精度和稳定性的影响。

Theoretically, in spherically symmetric isotropic media, we should not observe rotational signals around the vertical axis before the onset of SH waves.

理论上说，在球对称均匀介质中，在 SH 波到达前不可能观测到绕垂直轴的旋转信号。

By making use of this developed DRS-Zhao-Wu-Cai method, we re-investigate in Chapter 6 the quantum thermal effect of Dirac particles and photons in some spherically symmetric black holes of Vaidya-type, and demonstrate that the Hawking radiation is asymmetric with respect to their different components in the advanced EF coordinate system.

用这个发展了的DRS-Zhao-Wu-Cai方法，在第六章中重新研究了Vaidya-型球对称黑洞中Dirac粒子和光子的量子热效应，表明在EF坐标系中Hawking辐射对它们的不同分量是不对称的。

As applications of the equation, light deflection in spherically symmetric gravitational field and frequency shift of light traveling through plane gravitational waves.

发现如果光子有静质量，那么光在球对称引力场中的偏折将随频率减小而增大；而因引力波引起的频移起伏将变小。

The problem of the Hawking evaporation of Dirac particles in general spherically symmetric and charged evaporating black hole background is thus solved.

本文对一般球对称带电蒸发黑洞中Dirac粒子的Hawking辐射进行研究。利用零标架和旋系数方法，讨论了该时空背景下Dirac方程的退耦与分离变量。

Based on Dobiasch and Maisons' work, Gibbons and Wiltshire discussed the five-dimensional spherically symmetric black hole.

在标准Kluza-Klein框架下，Dobiasch和Maison讨论了一般球对称问题；在Dobiasch和Maison的工作基础上，Gibbons和Wiltshire讨论了五维球对称黑洞问题；Gibbons和Maeda给出带有任意耦合常数的高维引力模型及黑洞解。

The USGA only requires that the golfball's dimple pattern be spherically symmetric.

美国高尔夫球协会只要求高尔夫球酒窝式样必须是球面对称的。

The Thomas-Fermi model is generalized for an approximately spherically symmetric system, to include the spin orbit coupling energy GL.

本文对于近似球对称的系统将汤、费模型推广以包括自旋轨道耦合能和作为动量和位置的函数的位能这两个因素在内。

The numerical solutions of neutral atoms with attractive interaction in a harmonic trap and a spherically symmetric well potential of depth infinite are calculated.

根据最近的BEC的动力学模型和主方程，用母函数方法求得玻色凝聚体主方程的解，并计算了凝聚体形成的增率与起伏，增率曲线存在一平台，而平台的粒子数起伏则是超泊松分布的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。