In the present study, microcomputer-based electrochemical analyzer (model EA-1) and microelectrode were applied to establish the PSA method for the determination of As in human hair.
本文应用EA-1型微机化多功能电化学分析仪和微电极，提出头发中砷的计时电位溶出法测定，并结合流动注射技术实现连续分析。
Finally, the article makes the improvement to PSA and the static cash flow pricing model, and try to pricing the China's Constrution back 2007-1 MBS.
最后，文章对PSA和静态现金流定价模型进行改进，结合建元2007-1的发行资料说明中国MBS如何定价。
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