Introduces work principles of two adding pressure establishments for high-place fire protection water tank;

介绍当高位消防水箱压力不足时常用的两种增压设施的工作原理；

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Objective To evaluate the therapeutic effect of carotid adding pressure injecting urokinase on cerebral ischemic infarction.

目的探讨颈动脉加压注射尿激酶治疗缺血性脑梗死的疗效。

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Generally, flow at high velocity around well bore in gas well is belong to non-Darcian flow which arising adding pressure drop.

通常情况下，气井井轴周围的高速流动为非达西流动，产生附加压降。

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Here we have a fixed volume, and we have a little candle, and we're adding heat, and when we add heat, the pressure does what?

这里我们有一个容器，一个蜡烛，然后我们加热，这时压强会怎么变化？

麻省理工公开课 - 热力学与动力学课程节选

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