The effect of additive is investgated by measuring solution loss, foam multiple, the quotiety of water retention, and the causation also are discussed.

• 通过测量发泡剂携液量、发泡倍数、保水系数的变化规律表征外加剂对发泡剂泡沫性能的影响，并对产生影响的原因进行了解释。