化学计量学

The instrument hyphenated technology and chemometrics approaches provide the analysis and quality control of Chinese traditional medicine a powerful method and broad prospect.

论文的第一章论述了近年来中药质量控制及中药指纹图谱的发展状况，以及化学计量学方法及其在中药质量控制中的应用情况。

The predicting results were compared with PLS, which shows that the latent root regression model can practically be used for the quantitative analysis of the biological samples with near-infrared spectra.

特征根回归法是对PCR建模方法改进的又一种化学计量学定量分析校正方法，该方法在对样品光谱提取主成份时考虑了待分析组分的作用，因此所建立的定量分析模型有好的分析效果。

Methods27 mineral elements of 14 Lung Channel Tropism Chinese traditional medicines were determined with the Inductively Coupled Plasma Mass Spectrograph method.

方法采用电感耦合等离子体质谱法测定14种归肺经中药27种无机元素含量，运用化学计量学的方法，对无机元素的数据进行了聚类分析。

Two popular chemometric methods are available to analyze three-way data, parallel factor analysis and multilinear partial least squares regression.

两种流行的化学计量学方法可用于分析三路数据，平行因子分析和多偏最小二乘回归。

In summary, the application of chemometrics shows great potentialities in nucleoside analysis with CE.

上述研究表明，化学计量学在生物样品毛细管电泳分析中具有良好的应用前景。

The method based on the widely used ultraviolet photometry method.

论文的另一部分，在紫外分光光度法的基础上，尝试采用化学计量学——P矩阵部分校正法来测定聚丙烯酰胺中单体的含量。

To solve the problem of calibration transfer in multivariate calibration of chemometrics,Procrustes analysis algorithm and piecewise direct standardization algorithm are applied.

采用普鲁克分析算法和分段直接校正算法，解决化学计量学多元校正中的模型传递问题。

Chemometric method were used to analyze UV spectrum of TCAS-heavy metal complex, pure UV spectrum of TCAS-heavy metal complex and TCAS-heavy metal complex distribution curves toward concentration of heavy metals in solution were gained. Finally, complex constants of TCAS towards Cu, Zn, Cd and Pb were got to be 9.79、8.72、6.87 and 5.00, respectively.

采用化学计量学分析TCAS络合重金属的紫外光谱，获得了TCAS－重金属络合物的纯紫外光谱，以及TCAS、TCAS－重金属络合物随重金属浓度变化的分布曲线，并最终解析得到TCAS与Cu、Zn、Cd和Pb的络合常数分别为9.79、8.72、6.87和5.00。

Chemometrics analysis such as principal component analysis , radial basis function neural network, support vector machine are explored to find the suitable modeling techniques.

利用数据库中的近红外光谱数据，将主成分分析、神经网络和支持向量机等化学计量学方法，应用于近红外光谱分析。

On basis of the color reactions of 4-(2-pyridine azo)-resorcin with copper, zinc and manganese, but the absorption spectrum of complex compounds which they created overlapped with each other seriously. Dealing with the spectrum data with the method of multivariate calibrations of chemometrics, we can simultaneously analyze the measured spectrum of mixture.

基于这三种金属离子均能和4-（2-吡啶偶氮）－间苯二酚发生显色反应，但所生成络合物的吸收光谱重叠比较严重，采用化学计量学的多元校正方法，解析了Cu(上标 2+)、Zn(上标 2+)、Mn(上标 2+)混合物的测量光谱。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。