| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for judging the cause of clogging in a water-treating installation by which a precise clogging-preventing countermeasure is applied by judging whether the cause of the clogging of the water-treating installation is microorganisms or not and identifying the kind when the cause is the microorganisms. SOLUTION: The method for judging the cause of the clogging of the water-treating installation comprises extracting a DNA from an attachment to a device in the water-treating installation, replicating a specific site of the DNA chain by a PCR, and estimating the number of the microorganisms attached to the device from the replicated number. COPYRIGHT: (C)2004,JPO
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