| 摘要 |
PROBLEM TO BE SOLVED: To provide a component concentration measuring apparatus for measuring the concentration of an object component in a solution made by mixing the object component in a liquid which monitors movement of a measurement part. SOLUTION: The component concentration measuring apparatus 255 measures the concentration of an object component in a solution made by mixing the object component in a liquid. The apparatus 255 includes a temperature detecting means 256 for monitoring the movement of a measurement part which is the source of a photoacoustic signal. The temperature of the measurement part rises which is the source of a photoacoustic signal. When a biological subject 110 moves, the measurement part with an elevated temperature moves. As a result, the temperature around the measurement part rises discontinuously or drops discontinuously. The temperature detecting means 256 monitors the discontinuous change of the temperature around the measurement part. COPYRIGHT: (C)2009,JPO&INPIT
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