| 摘要 |
PROBLEM TO BE SOLVED: To provide a particle analytical device capable of measuring securely the volume and the number of particles, and capable of three-dimensional analysis from the volume and the projected area of the particles. SOLUTION: This particle analytical device is equipped with a particle detecting device 8 for measuring the volume and the number of particles 5 by measuring the change of an electric resistance between both electrodes at the time of passing of the particles 5 through an opening 3, after arranging a tube 2 having the opening 3 in electrolytic solution 4 and after installing electrodes 6, 7 in the inside and the outside of the tube 2, a stroboscope 11 for illuminating the opening 3 at the timing of the change of the electric resistance, a camera 12 for imaging the particles 5 illuminated by the stroboscope 11, and a picture image processing device 16 for executing image analysis of the particles 5 from the picture image imaged by the camera 12 and the particle data detected by the particle detecting device 8.
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