The bubble cap column with direct steam heating was used for separating methanol and water.

采用直接蒸汽加热的泡罩塔用于甲醇和水的分离，具有回收效率高和操作费用低的优点。

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The direct steam curing after the unloading of hot pressing CPB could greatly accelerate thc hydration of cement.

板坯卸出压机后的直接蒸养可大大加速水泥的水化过程。

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The digesters may be heated with direct or indirect steam and, in some cases, an outside liquor circulating system is used.

蒸煮锅可以采用直接加热或间接加热方式，有时也使用外部液体循环系统加热。

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The Solarlite Direct Steam Generation (DSG) combines two concepts, recirculation and injection cooling, to generate superheated steam.

FORBES: Thailand Opens The First of Fifteen Solar Thermal Plants Using Solarlite Technology

It is the first parabolic trough commercial plant based on direct steam generation.

FORBES: Thailand Opens The First of Fifteen Solar Thermal Plants Using Solarlite Technology

These core uses (what they refer to as direct water and steam services in the commercial, residential, industrial and power sectors) eat up 12.3 quadrillion BTU per year.

FORBES: To Conserve Energy - Conserve Water