气泡法（bubble method）是指用气泡作为变形标志体，人为加入模型材料内部，以有限应变分析为基础的一种定量构造模拟方法。将由明胶、甘油和水按比例配制的明胶液倒入按模型几何形状、尺寸设计的加载装置中，并搅动使之形成气泡；当处于黏弹性状态、气泡已不能流动后加载；然后放大拍照、测量与计算，可得出整个模型的有限应变状态。因便于观测整个模型内部变形，标志体反应灵敏，能够达到较精确要求，故具有广泛应用前景。
结论：气泡法可用于血清中尿激酶活性的测定。
CONCLUSION: Bubble method could be used to determine the fibrinolytic activity of urokinase in serum.
分析了液下气泡法用于工程实际时应注意的问题。
The matters needing attention for using the leak detection method in practice are also discussed in this paper.
分析了中流量孔径计算方法和普通气泡法计算的平均孔径之间的差别。
The average pore size calculated by the above - mentioned way differs from that calculated by conventional gas bubble method, and the result has been dis-cussed.
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