Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Guangzu Ma"'
Publikováno v:
X-Ray Spectrometry. 27:17-22
An algorithm of single component prediction based on backward error propagation is proposed, in which only one component concentration in a multivariate system is predicted each time. The algorithm was compared with a multiple component prediction mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2679305cc66bd8d2e23a244f536ee909
https://doi.org/10.1002/(sici)1097-4539(199801/02)27:1<17::aid-xrs240>3.0.co
https://doi.org/10.1002/(sici)1097-4539(199801/02)27:1<17::aid-xrs240>3.0.co
Publikováno v:
X-Ray Spectrometry. 26:15-22
The model parameters in artificial neural networks have a great influence on the training speed. It can be increased after choosing the optimum parameters, which was performed by a stepping technique. The training speed using the method is usually fa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e8776856ac4a81d938c324b2370131a
https://doi.org/10.1002/(sici)1097-4539(199701)26:1<15::aid-xrs182>3.0.co
https://doi.org/10.1002/(sici)1097-4539(199701)26:1<15::aid-xrs182>3.0.co
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 104:489-493
In this paper, we compare the quantitative analyses of some mineral samples by proton microbeam (micro-PIXE) with that of the electron probe microanalysis (EPMA). The advantages and disadvantages of the two techniques for quantitative analyses of min
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfa44ce39437a71b36140512463357b2
https://doi.org/10.1016/0168-583x(95)00473-4
https://doi.org/10.1016/0168-583x(95)00473-4
Autor:
Guohui Li, Guangzu Ma
Publikováno v:
X-Ray Spectrometry. 18:199-205
The application of x-ray fluorescence analysis to multi-element determination in geochemical prospecting samples has been discussed in this paper. It consists of seven parts: introduction; sample preparation; instrument and analytical conditions; sta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e190d5c78ece6f670d27071be8032e4
https://doi.org/10.1002/xrs.1300180504
https://doi.org/10.1002/xrs.1300180504
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