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利用超声多普勒方法能检测出直径小至80μm的感光乳剂中的单个气泡.介绍了装置的原理.考虑到测量管中流场不稳定性和声场分布的影响,给出测量管的结构设计,试验结果是符合预计的.
The single bubble in the emulsion with the diameter of 80μm can be detected by the ultrasonic Doppler method.The principle of the device is introduced.Considering the influence of the flow field instability and sound field distribution in the measuring tube, , The test result is in line with the expected.