The basic control functions of RH vacuum installation for bloom CCM in PANGANG Iron & Steel Group Co. are presented, emphasizing the vacuum pump control system.

介绍攀钢方坯RH精炼装置真空系统基本控制功能，侧重介绍真空泵系统的功能和其相关系统控制。

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The result shows that the edged sampling mirror and the edged vacuum window can be treated as a pair of prisms, which generates negative group velocity dispersion.

分析结果表明，带楔角的取样反射镜与后续光路中使用楔形真空窗口构成了一对棱镜，产生负的群速度色散。

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It demonstrates that vacuum flat glass can improve the efficiency of the box-type solar energy collector. So it has a good future in the application of box-type solar energy collectors group.

证明真空平板玻璃可改善箱式太阳能集热群的集热效果，对箱式太阳能集热箱中具有良好的应用前景。

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Turkish Foreign Minister Ahmet Davotoglu recently called on Barzani in Irbil, and they "emphasized that any attempt to exploit the power vacuum by any violent group or organization (in Syria) will be considered as a common threat, " a not-so-veiled warning to the PYD.

CNN: Kurds' ambitions add explosive element to Syria equation