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Abstract: An automatic system for marine meiobenthos separation was developed by using laser-induced fluorescence technology. rose Bengal was used as organism dye and the spectrums of rose Bengal were measured. Laser-induced fluorescence system was established to detect marine meiobenthos in sediments. Data obtained from experiments were analyzed by using a mathematical model. The results showed that laser-induced fluorescence technology worked well in the system. The system could select the meiobenthos efficiently and precisely.

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