Exceedingly high production rates can be achieved with tubular reactors either by increasing the diameter of the tube or more commonly by using a sufficient number of tubes in parallel.
采用管式反应器能够获得非常高的产率，要么增加管的直径要么通过使用充足数量的并列管提高更大的通用性。
Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes form a random pattern.
哺乳动物将营养物质输送到骨细胞的微小管道是平行排列的，而鸟类的管道则是随机排列的。
In a cat's throat, for example, the two tubes run roughly horizontal and parallel to each other before heading on to the stomach and lung, respectively.
举个例子，猫的喉咙里这两种管子大致是平行分布，然后各自到达胃和肺部。
The coolant flows from the inlet to the outlet through many tubes mounted in a parallel arrangement.
冷却液经过很多平行管由入口流到出口。
For natural circulation, it is shown that parallel flow in the tubes of vertically inverted U-tube team generator (UTSG) can be non-uniform, and reverse flow occurs within some tubes.
自然循环条件下，立式倒u型管蒸汽发生器(UTSG)并联倒u型传热管内存在非均匀流动，部分传热管出现倒流。
For natural circulation, it is shown that parallel flow in the tubes of vertically inverted U-tube team generator (UTSG) can be non-uniform, and reverse flow occurs within some tubes.
自然循环条件下，立式倒u型管蒸汽发生器(UTSG)并联倒u型传热管内存在非均匀流动，部分传热管出现倒流。
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