A tubular jade artifact of the Hongshan culture is displayed in an exhibition at the National Museum of China in Beijing on Nov 10. CHINA DAILY Previous theories suggested the Hongshan jade tubes ...
Department of Chemistry, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea ...
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