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1)  Partial least squares
偏最小二乘法
1.
A kind of variable selection method by application of partial least squares;
利用偏最小二乘法的一种变量筛选法
2.
The useful near-infrared spectrum information was picked up by using genetic algorithms,and the near-infrared quantitative correction model was established by partial least squares(PLS) method.
以两组棉制品为研究对象,利用遗传算法提取有效近红外光谱信息,采用偏最小二乘法(partial least squares,简称PLS)建立了棉制品中含棉量的近红外定量的校正模型,讨论了遗传算法提取有用信息的具体应用方法。
3.
The application of PLS (partial least squares) and near infrared spectroscopy for compound aspirin tablets non destructive quantitative analysis was investigated and the best mathematic calibration models were built.
偏最小二乘法 (PLS)与近红外漫反射光谱法相结合 ,对复方乙酰水杨酸片进行无损非破坏定量分析 ,建立了最佳的数学校正模型 ,比较了样品中 3种有效成分 (乙酰水杨酸、非那西丁和咖啡因 )同时测定和单独测定时的主成分数对PLS定量预测能力的影响 ,预测了未知样品。
2)  partial least square
偏最小二乘法
1.
Application of shortwave near infrared spectroscopy with partial least squares to the determination of alcohol in Distilled Spirits;
短波近红外光谱-偏最小二乘法在白酒分析中的应用
2.
Determination of ethanol content in distilled spirits using short-wave near infrared spectroscopy with partial least square regression model;
短波近红外光谱-偏最小二乘法测定白酒中乙醇含量
3.
Application of nonlinear partial least square in catalyst modeling;
非线性偏最小二乘法在催化剂建模中的应用(英文)
3)  PLS
偏最小二乘法
1.
Structure-Activity Relation Study of Fentanyl Derivatives and Multicompontens Quantitative Analysis Using BP and PLS Algorithm;
神经元网络技术和偏最小二乘法在定量分析和构效关系方面的比较
2.
Predicting High Temperature Detergent Performance of Engine Lubricant by PLS;
发动机润滑油高温清净性能的偏最小二乘法预测
3.
Discrimination of Tea Varieties by Mid-Infrared Spectroscopy Combined with PLS;
偏最小二乘法在红外光谱识别茶叶中的应用
4)  partial least square method
偏最小二乘法
1.
Simultaneous and non-destructive determination of plasticizers in PVC applying partial least square method;
偏最小二乘法同时无损测定聚氯乙烯塑料中的多种增塑剂
2.
The content of TDI trimer content in polyisocyanate curing agent was determined by partial least square method.
对不同TDI三聚体含量的多异氰酸酯固化剂的红外光谱进行了测定,采用偏最小二乘法对所得到的红外光谱进行分析,测定了多异氰酸酯固化剂中TDI三聚体的含量,该方法简单快速,结果可靠。
3.
A rapid nondestruction quantitative analysis method was established to quantitatively determine the content of many kinds of adipate plasticizers in PVC plastics,which used Fourier transform infrared spectroscopy-ATR technique to determine the infrared spectrogram of samples and analyzed the measured infrared spectrogram by partial least square method.
利用傅立叶变换红外光谱法———ATR技术测定样品的红外光谱,采用偏最小二乘法对所测的红外光谱进行分析,建立了一种无损快速分析方法,定量地测定聚氯乙烯塑料中多种己二酸酯类增塑剂的含量。
5)  partial least squares method
偏最小二乘法
1.
The principle of partial least squares method (PLS) is described, Which is applied to the simultaneous spectrophotometric determination of the mixed samples of W(Ⅵ), Mo(Ⅳ) and Zr(Ⅳ) in the 4,5-dibromophenylfluorone-CTMAB-OP system.
研究了在4,5-二溴苯基荧光酮(DBPF)-CTMAB-OP显色体系中,用偏最小二乘法对痕量W、Mo、Zr进行同时分光光度测定。
2.
Spectrophotometric determination of four trace components in simulation samples, aluminum alloy and feed additives was successfully made by using partial least squares method(PLS).
8发生高灵敏的显色反应,所形成的三元胶束络合物的吸收光谱严重重叠,用偏最小二乘法(PLS)辅助分光光度法成功地同时测定了模拟试样及铝合金和饲料添加剂中上述四种痕量组分。
3.
A new spectrophotometric method for simultaneous determination of aniline, ben zidine, α-naphthylamine and p-nitroaniline by a partial least squares method (PLS) was de veloped.
3的甘氨酸-氧化钠-氢氧化钠缓冲介质中,苯胺、联苯胺、α-萘胺和对硝基苯胺可与甲萘酚偶合形成不同的偶氮化合物,但其吸收光谱严重重叠,采用偏最小二乘法解析重叠的吸收光谱,建立了计算分光光度法同时测定苯胺、联苯胺、α-萘胺和对硝基苯胺的新方法。
6)  partial least squares(PLS)
偏最小二乘法(PLS)
1.
Rapid determination model of the methoxyl group content in plant fibrous material was established by the integration of near-infrared spectroscopy and partial least squares(PLS).
采取偏最小二乘法(PLS)建立起近红外光谱法快速测量植物纤维原料的甲氧基含量的模型。
2.
98206 by partial least squares(PLS) regression analysis and the regression coefficient was 0.
将高效液相色谱法测定的总黄酮含量作为参考标准值用于建模,考察预测残差平方和(Predictive residual error sum of square,PRESS)与主成分之间的关系,主成分数为2时得到PRESS最小;用偏最小二乘法(PLS)进行回归分析得到的回归系数为0。
补充资料:偏最小二乘法
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性质:一种基于特征变量的回归方法。也可看成是有偏估计中的一种回归方法。近年来在化学计量学的多元校正和模式识别中得到十分广泛的应用。偏最小二乘法是由瑞典统计学家沃尔德(H·Wold)提出,其基本运算是基于非线性迭代偏最小二剩算法(nonlinear iterative partial least squares; NIPALS),故有偏最小二乘法之称。它与主成分回归不同之点就在于它不但分解X矩阵,同时也分解Y矩阵,并在分解X矩阵时利用Y矩阵的信息,在分解Y矩阵时利用X矩阵的信息,从而使回归结果更好些。另外,因其本质上是一种基于特征变量的解析方法,故也可用于化学模式识别之中,进行降维处理。由于偏最小二乘法在化学中得到非常广泛的应用,故很多化学计量学家对该算法进行了改进和拓展,提出了快速偏最小二乘、非线性偏最小二乘法、稳健偏最小二乘法等。

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