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Method for tracing emerald origin based on SPSS factor analysis and discriminant analysis

A technology of factor analysis and origin traceability, applied in business, instruments, complex mathematical operations, etc., can solve problems such as low accuracy, cumbersome traceability methods, and no method or system for emerald origin traceability, so as to overcome empirical, The effect of high traceability accuracy

Pending Publication Date: 2022-07-05
CHINA UNIV OF GEOSCIENCES (WUHAN)
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Problems solved by technology

[0007] Through the above analysis, the existing problems and defects of the existing technology are: there is no intelligent method or system for tracing the origin of emeralds in the existing technology, and the existing traceability method is cumbersome and not very accurate

Method used

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  • Method for tracing emerald origin based on SPSS factor analysis and discriminant analysis
  • Method for tracing emerald origin based on SPSS factor analysis and discriminant analysis
  • Method for tracing emerald origin based on SPSS factor analysis and discriminant analysis

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Embodiment 1

[0057] 1Data source

[0058] Part of the data used in this analysis comes from the emerald data from the Swat Valley in Pakistan that I tested with LA-ICP-MS, and the other part comes from the emerald data from other origins measured in previous literature. A total of nine emeralds were selected from Malipo, Yunnan, China, Swat Valley, Pakistan, Mananzari, Madagascar, Panjshir Valley, Afghanistan, Itabira, Brazil, Ethiopia, Zambia, Kafubu, Zimbabwe Sandwana, and Russia's Urals. data for analysis.

[0059] Since the samples belong to the chemical formula Be 3 Al 2 (SiO 3 ) 6 There is little difference in the type and content of the structure and main chemical components, but the samples from different origins have different ore-forming environments and ore-forming fluids, so the substitution degree of isomorphism is different, resulting in the emeralds contained in emeralds. The types and contents of elements are also different, and the content of trace elements can be use...

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Abstract

The invention belongs to the technical field of emerald origin traceability, and discloses an emerald origin traceability method based on SPSS factor analysis and discriminant analysis, and the method comprises the steps: obtaining the chemical component data of emerald in different origins, extracting trace elements in the emerald green of different producing areas and the content of the trace elements from the obtained chemical component data of the emerald green of different producing areas; carrying out factor analysis on the obtained seven groups of trace element ion data, and pre-estimating multiple collinearity of the data by utilizing linear regression analysis; determining a traceability variable based on the factor analysis result and the pre-estimation result; and constructing a producing area discrimination model based on the determined tracing variables, and tracing the emerald producing area by using the constructed producing area discrimination model. According to the invention, origin traceability can be carried out on emerald from different origins, and the traceability accuracy is high.

Description

technical field [0001] The invention belongs to the technical field of traceability of the origin of emeralds, and in particular relates to a method for traceability of the origin of emeralds based on SPSS factor analysis and discriminant analysis. Background technique [0002] At present, the origin traceability of gemstones has always been an important topic of concern to the jewelry industry. The effect of origins on gemstone prices and market demand is becoming stronger and stronger, and the development of computers and artificial intelligence has made it possible to apply mathematical models to various fields. [0003] In recent years, the research on the origin of gemstones has become more and more popular. Due to the influence of price and market demand, more and more methods have been applied to the origin of gemstones. [0004] Emerald is the most precious gemstone variety among beryl minerals, and it enjoys the reputation of "King of Green Gems". There are many or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q30/00G06F17/18
CPCG06Q30/018G06F17/18
Inventor 陈全莉鲍珮瑾黄惠臻高冉
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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