Through principal component analysis, we have synthesized numerous indexes, (eliminated) information overlapping of the sample, and reduced the input dimension of BP network.
通过主成分分析法将众多指标进行综合，消除样本间的信息重叠，降低BP网络的输入维数。
An acid yellow was synthesized by diazo and azo, and characterized by elementary analysis, IR and 1h-nmr.
酸性黄是经过重氮化和偶合反应合成的一种偶氮染料，对它进行了IR、1h - NMR和元素分析的表征。
A kind of soluble planar binuclear metal-phthalocyanine was synthesized and characterized by element analysis and FT-IR spectra.
合成一种水溶性平面双核金属酞菁衍生物，用元素分析和红外光谱对其结构进行了表征。
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