by Binbin Wu, Guoqiang Wang, Jin Wu, Qing Fu, Changming Liu The concentrations of heavy metals (mercury (Hg), cadmium (Cd), lead (Pb), chromium (Cr), copper (Cu) and arsenic (As)) in surface water and sediments were investigated in two adjacent ... Plosone.org, 1 month ago
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RECORDS of strength and bravery carved onto bones and tortoise shells provide insights into an ancient nomadic people in western China called Qiang, who have inhabited the area for more than 3,000 years. While some Qiang people were long ago ...Shanghai Daily, 3 weeks ago
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