Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Lian-Kui Dai"'
Publikováno v:
Industrial & Engineering Chemistry Research. 61:17993-18003
Publikováno v:
Chinese Journal of Analytical Chemistry. 47:67-76
Natural gas is composed of methane, ethane, propane, carbon dioxide, nitrogen, hydrogen, carbon monoxide and unknown alkane components of C4 or more (denoted as C4+) after desulfurization and dehydration treatment. The concentrations of the first sev
Autor:
Wei, Liu, Lian-kui, Dai
Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 37(2)
With the transition of Chinese traditional medicine manufacture industry, modernization has become the inexorable tendency in its future development. However, during the current Chinese traditional medicine producing process, the lack of online monit
Autor:
Lian-kui Dai, Sheng Li
Publikováno v:
Fuel. 96:146-152
Raman spectroscopy, which is a kind of non-invasive measurement technique and the precise molecule fingerprint, has been widely applied to provide information on chemical structures and physical forms, making it possible to be used for substance clas
Autor:
Xin Bao, Lian-kui Dai
Publikováno v:
Fuel. 88:1216-1222
The aim of this study is to propose a novel partial least squares with outlier detection (PLS_OD) calibration method and show its usefulness in calibration successfully with data containing outlying objects. We apply this method in gasoline spectral
Autor:
Bin, Wang, Lian-kui, Dai
Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 35(2)
In order to achieve fast and accurate online analysis of the circulating fluid in an adsorption tower in a p-xylene unit, the Raman spectral analysis method is adopted. However, the Raman spectra of the pure components included in the circulating flu
Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 32(7)
A novel method to fast discriminate edible vegetable oils by Raman spectroscopy is presented. The training set is composed of different edible vegetable oils with known classes. Based on their original Raman spectra, baseline correction and normaliza
Autor:
Jin-rong, Li, Lian-kui, Dai
Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 32(3)
Indirect hard modeling (IHM) is a recently introduced method for quantitative spectral analysis, which was applied to the analysis of nonlinear relation between mixture spectrum and component concentration. In addition, IHM is an effectual technology
Autor:
Sheng, Li, Lian-Kui, Dai
Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 31(10)
A fast and effective method for classification of petroleum products based on Raman spectroscopy is proposed. A knowledge base composed by Raman spectra of training samples, intra-class feature spectra and intra-class thresholds of all classes was fi
Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 31(5)
To implement calibration transfer between Raman spectrometers, an improved piecewise direct standardization (PDS) is proposed in the present paper. Standard normal variate (SNV) is firstly introduced to reduce the influence of spectral background and