介绍了实验室通风柜、化验台的通风排气量的计算方法，提出了在冬季采暖新风耗热量大的情况下的补风节能措施。

This paper gathers up many methods and forms of formula in calculating the amount of air-removal through ventilation cabinet in laboratory.

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研制了造纸机干燥部耗热量和通风量的计算机模拟软件PM CAD (eng)。

The computer simulator, PMCAD (FNC), ior calculating heat consumption and ventilation in the dryer section of paper machine was developed.

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