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- parameters of event horizon 视界参量
- It is shown that the entropy of the black hole is proportional to the area of event horizon at any time. 结果表明 ;任一时刻黑洞熵都与黑洞事件视界面积成正比 .
- It is shown that using coordinate transformation is highly effective for determination of event horizon. 证明了用坐标转换确定事件视界是一种行之有效的方法.
- So the entropy of the toroidal black hole is proportional to the area of event horizon, which satisfies the Bekenstein-Hawking formula. 结果表明 ;黑洞熵正比于事件视界的面积 ;遵循Bekenstein Hawking面积熵公式 .
- Using coordinate transformation,we study the event horizon of accelerating non-stationary black holes,the equation of event horizon surface is calculated out. 采用坐标变换的方法;研究几种加速运动动态黑洞的事件视界;得到了黑洞的视界面方程.
- The location of event horizon and surface gravity near event horizon of Kerr black hole are given directly by Dirac equation htrough generalized Tortoise translation. 从 Dirac方程出发 ,经广义 Tortoise坐标变换后 ,在视界曲面附近求解 ,直接导出Kerr黑洞的视界位置及视界表面重力 ,证明了 Kerr黑洞的视界是球对称的
- By means of the dirac equation and the generalized tortoise coordinate variation we directly ob- tained the location of event horizon of black hole with electric-magnetic charge. 从Dirac四分量旋量方程出发,经广义Tortoise坐标变换,直接导出含有双荷子球对称黑洞的视界面位置。
- For a triangle spatial variation of the intensity, the interface forms an optical analogue of event horizon, which causes a wave singularity similar to that associated with black holes. 对于耦合场强度的三角空间分布,界面Z形成一个光学事件视界,从而产生类似于黑洞问题的波奇异。
- Making use of Klein-Gordon equation,thin film brick-wall model and WKB approximation,we find the entropy of Vaidya-Bonner black hole and this entropy is proportional to the area of event horizon. 利用Klein Gordon方程和薄膜Brick Wall模型 ;并采用WKB近似方法 ;求出了Vaidya Bonner黑洞的熵 ;所得的熵正好与该黑洞的视界面积成正比 .
- The location and the temperature of event horizon of Kerr- Newman space-time can be easily determined by supposing that line element represented with Tortoise coordinate is conformal to 2-dimensional Minkowski space-time near the event horizon. 如果令乌龟坐标下的二维时空线元在视界附近共形于明氏时空;可以容易地定出Nerr-Newman黑洞视界的位置和温度.
- You can alter the size of its event horizon. 你就可以改变事件水平线的大小。
- We have to work within the parameters of time and budget. 我们工作受时间和财力所限。
- How do you explain this strange turn of events? 事情出现这种异常变化,你作何解释?
- What an unlucky train of events! 多么不幸的一连串事件!
- Delimits parameters of syntax items. 分隔语法项的参数。
- You cannot change the parameters of the step. 但您不能修改该步骤的参数。
- THE DETERMINATION OF EVENT HORIZON IN NON STATIC SPACE TIMES 动态时空中事件视界的确定
- We have to work within the parameters of time. 我们的工作受时间所限。
- Didn't tipler say there was no event horizon? 没有说是不存在事件地平线的吗?
- A sudden shock, revelation, or turn of events. 不寻常的事突发的令人震惊的事、新发现或事件的转折