| 摘要 |
PROBLEM TO BE SOLVED: To provide a system capable of accurately measuring the volume of air bubbles in liquid on line. SOLUTION: Utilizing a principle allowing measurement of specific gravity of non-measuring liquid using a differential pressure gauge with reference to liquid such as water containing no air bubble, apparent specific gravity of non-measuring liquid is measured when it is pressurized and when it is not pressurized, volume of air bubbles in the non-measuring liquid is calculated based on those values. COPYRIGHT: (C)2007,JPO&INPIT
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