查询词典 The Black Hole

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别致的圆型彩罐为渐层色彩加以高级烫金字体，外盖打开後，另为一附有易拉环之密封盖，设计新奇，并具完全防潮功能，完美保存印度原产精选顶级红茶的最佳风味，(此包装可选择茶品有印度三大产区之大吉岭红茶，阿萨姆红茶，尼尔吉利红茶以及各式经典风味红茶，如格雷伯爵红茶，苹果风味红茶，芒果风味红茶，百香果风味红茶，凤梨风味红茶，薄荷风味红茶，草莓风味红茶，焦糖风味红茶，综合水果风味红茶，杏桃风味红茶及水蜜桃风味红茶等等)顶级优质印度红茶，可纯品或视喜好添加些许牛奶，糖或蜂蜜增添不同风味。

Adapting for processing wire-cut starting hole in various metal and skuperhard conducted meterial, jet hole, filtering hole, gas hole, group hole, deep and thin hole as well as super deep hole.

本机床使用于多种金属、超硬导电体材料的切割初始孔、喷嘴孔、滤孔、气孔、群孔等细微孔、超深孔加工。

The stress distribution on the cross section of geotextile with a circle or an ellipse or a square hole under uniaxial tension or double-axial tension was calculated with boundary element method program. The results show that the stress concentration appear at the range from the hole side to about 3 times of the hole diameter, and the degree of stress concentration near the hole is related to the shape of the hole, the size of the hole, the position of the hole and the dimension of the specimen.

用边界元法程序分别对开有圆孔或椭圆孔或方孔的土工织物试样在单向与双向拉伸时孔截面上的应力分布情况进行了计算与分析，结果表明：土工织物孔截面上的应力集中出现在距孔边3倍左右的孔径尺寸范围内；孔边附近应力集中的程度与孔的形状、大小、位置及试样的尺寸有关。

By using statistical entropy of the Dirac field of static spherically symmetric black hole , the black hole s radiant emittance is educed and calculated, the conclusion that the radiant emittance of the black hole is in proportionate to the quartic power of the temperature of the black hole s event horizon is drawn.

利用静态球对称黑洞Dirac场的统计熵，导出黑洞的辐出度，得到了黑洞的辐出度与黑洞视界温度的四次方成正比的结论。

Using the statistical entropy of the spinning gravitation field of static spherically symmetric black hole,the radiant emittance of static spherically symmetric black hole is calculated,and we obtain a conclusin that the radiant emittance of black hole is proportionate to quartic power of temperature of the event horizon of the black hole.

利用静态球对称黑洞引力自旋场的统计熵，导出静态球对称黑洞引力自旋场的辐出度，得到了黑洞的辐出度与黑洞视界温度的四次方成正比的结论。

Vibration of hole trajectory is mastered in time by wireless inclinometer and control of sidetracking hole trajectory is ensured by using small hole guiding motor of different specification, which improve the coincidence rate of hole profile and hitting target accuracy and achieve drilling of high quality, high speed and safe. The window sidetracking success of 177.8mm horizontal well provides favorable reference and reliable technical guarantee for development and application of small hole in future.

使用无线随钻测斜仪及时准确地掌握了井眼轨迹的变化，配合使用不同规格小井眼导向马达确保侧钻井眼轨迹的控制，提高了井眼剖面符合率和中靶精度，实现了优质、快速、安全钻进。177.8mm水平井开窗侧钻技术的成功应用为今后小井眼的开发和应用提供了依据。

Machine Tool Plant in Texas by the former backbone of a combination of technology, the company production and development, manufacturing, sales of deep-hole tools, assistive technology device to adapt to the needs of a variety of applications, the standard series has deep-hole drills, deep hole Boring head, rolling head, boring head and deep rolling portfolio Honing first class, and to undertake non-standard deep-hole cutting tools, special-type hole processing tool design and manufacture business.

德州广合机械有限公司由前德州机床厂技术骨干组合而成，本公司生产开发，制造，销售的深孔刀具、辅具能适应各种应用场合的需要，标准系列有深孔钻头、深孔镗头、滚压头、镗滚组合头及深孔珩磨头等，并承接非标准深孔刀具、特型孔加工刀具的设计制造业务。

Parikh and Wilczek further refined and extended the thought of Keski-Vakkuri and Kraus, the radiation was explained as a tunneling process crossing the barrier of horizon, and in literatures the method is called Parikh-Wilczek tunneling method. In our paper, we further studied the effect of Hawking radiation of the apparent horizon of the dynamical spacetime, the FRW universe, and the thermodynamics of the apparent horizon of the dynamical black hole modes, the Vaidya black hole and the McVittie black hole.

更为重要的是，近年来联系于视界热力学一些新的性质被发现：Einstein方程在视界上可以作为热力学第一定律的形式出现；在Friedmann-Robertson-Walker宇宙表观视界上，时空动力学方程(Friedmann方程)也可以写成一个所谓的统一热力学第一定律的形式；局域定义的FRW宇宙表观视界，也存在着在Kodama矢量观测者看来的Hawking辐射效应。

Black hole, Wormhole and White hole1.Black hole: what is a black hole?

黑洞：什么是黑洞，简单来说黑洞存在于每个宇宙和星系。

"The fate of this black hole and others like it is an active area of research," said George Helou, deputy director of NASA's Spitzer Science Center at the California Institute of Technology in Pasadena."Some theories hold that the black hole might quiet down and eventually entera more dormant state like our Milky Way black hole."

美国加利福尼亚州帕萨迪纳市加州理工学院，美国宇航局斯皮策科研中心副主管乔治·赫鲁说：&这个黑洞以及类似黑洞的命运是一个研究热点，某些理论坚信黑洞最终会平静下来并最后像银河中心黑洞一样进入休眠模式。&

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。