| 摘要 |
PROBLEM TO BE SOLVED: To efficiently stir a liquid to be measured, in a reaction vessel of a chemical analysis apparatus. SOLUTION: The chemical analysis apparatus comprises the reaction vessel, having an opening section and into which the liquid to be measured is injected, and a stirring means, having a sound source which has the liquid to be measured irradiated with sound waves from the outside of the reaction vessel to stir it. The sound source is constituted of a plurality of sound source elements 223 arranged into an array. COPYRIGHT: (C)2005,JPO&NCIPI
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