At aspects of oscillographic chronopotentiometric determination ( OCPD), the main research contents are to enhance signal-noise-ratio, to improve reproducibility and resolution of oscillograms as well as to actualize automation of OCPD for micro or trace components. 在示波测定方面,如何提高示波信号的信噪比,改善示波图的分辨率、重现性以及进行微量乃至于痕量组分自动测定已经成为研究的主要内容。