Grey system which consists of two monoacids(or bases) mixtures can be ananyzed by this method.
根据不同一元酸（或碱）滴定曲线先出现先不变的特点，提出一种改进的潜变量投影法，定义了单变信息区，推导了求变换向量的公式，该法可分析两种一元极弱酸（或碱）的混合物灰色体系，已用于邻氯苯酚和对氯苯酚混合物两维ｐＨ滴定分析，得到分布系数和浓度分布，结果表明，预报准确度较高。
The application of the kinetic-spectrum two-dimensional data in the quantitative analysis of the gray system;
动力学-光谱二维数据在灰色体系定量分析中的应用
Based on the two-dimensional matrix which consisted of the absorption spectra and the fraction curves of species at different pH value, the concentration of analyte can be determined in a gray system by Constrained Background Bilinerization (CB-BL) algorithm.
根据待测物随pH变化的分布分数曲线并结合其吸收光谱构成两维波谱数据矩阵,利用约束背景双线性分解法(CBBL)可从未知干扰背景的灰色体系中对其进行定量分析。
Combining the two-dimensional information which consisted of the absorption spectra and the distribution curve of species along with the pH values, a quantitative analytical method for the determination of the pigments in a gray system was proposed.
利用合成色素随pH变化的分布分数曲线和吸收光谱构成两维波谱信息，建立了灰色体系中色素的定量分析方法。
Study of H-point methods applied to gray systems analysis;
H-point法在灰色体系分析中的应用