A study of the properties of atmospheric aerosol over lanzhou in winter and applications by using integrating nephelometer 应用积分浑浊度仪研究兰州城市冬季大气气溶胶
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One is feed - forward - feedback method based on turbidity . another is expert system with self - studying mechanism . fore - back and feedback system based on nephelometer can control the quality of water produced in the little range by setpoint 基于浊度的前馈?反馈控制虽然在一定程度上解决了稳定性与控制精度之间的矛盾，能将出厂水质量控制在设置值附近。
