In terms of ash agglomerating fluidized bed fine coal gasification process, the fluid dynamics, jet behavior and bubble property are reviewed in this paper.

以灰熔聚流化床粉煤气化工艺为背景，概括了射流床内床层动力学、射流特性以及密相中的气泡性质的研究进展。

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The compound action of bubble blast and jet fluid results in material damage.

在汽泡爆破冲击力及射流的复合作用下，导致材料受损。

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The more the bubble close to the free surface, the narrower the bottom jet develops crosswise, and the larger the pressure gradient, the rising velocity and the height of the bottom jet is upwards.

越靠近自由表面，底部射流横向发展越窄，而向上的压力梯度，气泡上升速度，底部射流上升高度越大，反之则反；

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The U.S. Navy, which uses Bubble Wrap to protect everything from jet parts to navigational equipment, likes the flat sheets because they occupy less space on its transport ships.

FORBES: Magazine Article