METHODS The Secondaryderivative differential pulse polarography was developed.
方法二阶导数差示脉冲极谱法。
2
The general infrared spectra (FTIR), secondaryderivative IR spectra and two-dimensional correlation infrared spectroscopy (2D-IR) show the dissimilarity of Chaihu and Dayechaihu respectively.
所获得的一维红外光谱、二阶导数谱和二维相关红外光谱,从不同角度上提供了两者的差异性。因此。
3
The present papers introduces the application of secondary cooking and anthraquinone derivative to straw pulping.