Detection method of gasoline properties based on weighted absorbance and similar samples
A technology of gasoline properties and similar samples, which is applied in the field of gasoline detection in oil refineries, can solve the problems of not meeting actual needs and poor prediction accuracy of modeling methods, and achieve the effect of avoiding inaccurate classification and improving model accuracy
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[0028] The present invention will be further described below in conjunction with the accompanying drawings and examples of implementation.
[0029] The research method octane number and density properties of 92# blended oil are given in Table 1 below, wherein, the samples numbered 92#-1 to 92#-53 are known spectral databases, and the sample numbered 92#-54 is the forecast sample.
[0030] Table 1 92 # Blend oil sample number and corresponding research method octane number and density
[0031]
[0032] It can be seen from Table 1 that the two properties of 92# blended oil are given in the table, but the spectral distance of the usually detected samples does not consider the properties of the samples, which is obviously inappropriate. Such as figure 1 and figure 2 , according to the spectral absorbance of the known sample and the octane number and density of the research method, calculate the correlation coefficient R between the absorbance of the known sample and these ...
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