20. Centred on thermal radiation, noise and diffusion, the basic design principle and method of gas blowdown sound pipe are described in derail.
围绕热辐射、噪声和扩散详述了天然气放空立管的基本设计原则和方法。
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21. The calculation of well killing on the mud blowdown condition is discussed in this paper, and it has been verified in the practice of well killing.
本文对气井在泥浆喷空情况下的压井计算进行了探讨，并在压井的实践中得到验证。
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22. The blowdown, which means the end of the period whereby all of the water in the core is essentially out of the core, will take place after twenty six seconds.
排气，表示的是这一段的结束，这样，核心里所有的水，基本都在核心外了，排气会在26秒后发生。
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23. Drum's emergency water drainage pipes and boiler's other water drainage pipes will also be connected with intermittent flash evaporator via blowdown pipelines.
锅筒的紧急放水及锅炉的各种疏放水亦通过排污管路接入定期排污扩容器。
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24. The key factor influencing on blowdown effect was analyzed and was put forward the fact that the original concentration of CN - has no relation to its residual one.
分析了相同气水比下影响吹脱效果的关键因素，提出了原样CN-浓度与CN-残留液浓度无关。
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25. The operation principles, technical requirements and service conditions for the two different kinds of helium blowdown tubes and helium recovery system are presented.
本文对上述两种情况下的氦气放空管道和回收系统的工作原理、技术要求和使用情况做了介绍。
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26. When you have an event, the reactor is operating at full power, you blowdown the primary coolant which is hot, you start injecting emergency core cooling water which is cold.
27. Through this planning thinking will effectively and reasonably combine the opening of the new water resource with urban drainage and water-logging as well the urban blowdown.
通过该规划思路，有效合理地将开辟新水源、城市排水排涝、城市排污结合在一起。
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28. This technique USES a set of unique urinate drainage pipeline and water control system, which makes the products have the characteristics of water-saving, mute and strong blowdown ability.
本项技术利用一套独特的小便排水管道和排补水控制系统，产品具有节水、静音、排污能力强的特点。
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29. This technique USES a set of unique urinate drainage pipeline and water control system, which makes the products have the characteristics of water-saving, mute and strong blowdown ability.
