Experimental results show that the mass transfer rate in trickle-flow region and pulse-flow region is closely related to the flow patterns of liquids.

实验结果表明：气液间的传质过程与液体的流型有着密切关系。

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We are talking about small and medium-sized companies that are emptying their barrels in a desperate shot at winning new customers and a feeble trickle of cash flow.

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However, the inherit low porosity of the shale also implies that once the initial gush dies down, the flow will become a trickle.

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Money poured in at the launch of doi moi, but as reforms moved slowly, if at all, the cash flow slowed to a trickle.

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