1) thick and thin layer models
厚层和薄层模型
2) thin film model
薄层模型
1.
By using the thin film model,which is based on the brick wall method,the entropy of the Dirac field in a general spherically symmetric and charged evaporating black hole is calculated.
采用薄层模型brick wall方法 ,计算了一般球对称带电蒸发黑洞Dirac场的熵 ,通过适当选择时间依赖的截断因子 ,仍可得出黑洞熵与视界面积成正比的结
2.
Using the thin film model which is based on the brick-wall method, we have calculated the entropy of Dirac field on event horizon and on unit area of Rindler horizon to a straightly accelerating black hole.
采用薄层模型brick wall方法 ,计算出了直线加速动态黑洞视界面上Dirac场的熵以及Rindler视界面上Dirac场的熵密度 ,通过适当选择时间依赖的截断因子ε和薄层厚度δ ,仍可得出熵与面积成正比的结
3.
By means of thin film model, the entropy density at every point of the event horizon is calculated first, then the total entropy is obtained through integration.
前不久我们在 ｔＨｏｏｆｔ砖墙模型的基础上提出薄层模型 ,解决了动态球对称黑洞熵的计算问题[1 2 ] 。
3) thin layer depth measuring
薄层测厚
4) thin-bed thickness
薄层厚度
1.
Representative parameters which respond to thin-bed thickness in time domain and frequency domain are derived by making theoretical models.
通过制作理论模型，提取出时域、频域内最能反应薄层厚度的多种参数：反射波的总能量、视振幅、正半周面积、负半周面积、相关函数第１个零点的时移值、振幅谱面积、主频、中心频率、频带宽度、频谱的二阶矩及三瞬剖面等，它们与薄层厚度的关系都是非线性的。
5) composite thin and thick laminated plates and shells
叠层薄板壳和厚板壳
6) multi layered dense model
混合层厚模型
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