College of Instrumentation & Electrical Engineering;
Jilin University;
Jilin 130021;
China;
Institute of Geology Chinese Academy of Geological Sciences;
Beijing 100037;
China;
College of Earth Sciences;
Jilin University;
Jilin 130061;
China;
The 41st Research Institute of CETC;
Qingdao 266555;
China;
electron; probe; micro-analysis; (; EPMA; ); data; management; data; sharing; web-based; architecture; data; query; GIS;