Dalian Institute of Chemical Physics;
Academia Sinica;
Dalian;
116012;
PRC;
Liaoning Scientific Institute of Tussah Silk;
Dandong;
118000;
PRC;
tussah; cocoon; layer; gentisie; acid; ultraviolets; pectrum(UV); fluorescence; speetrum(FS); electron; spin; resonance; spectrum(ESR).;