Supported by National Natural Science Foundation of China (Grant Nos. 40506016, 40576032, and 90411014)
Sediment samples were collected from the lower channel of the Yangtze River and the Yellow River and the contents of rare earth elements (REEs) were measured. In addition, some historical REEs data were collected from...
国家自然科学基金重点项目(批准号:90411014);国家重点基础研究发展计划项目(批准号:2007CB815903);国家自然科学基金面上项目(批准号:40576032,40506016);The Brain Korea 21 Program(Modern Sedimentation on the Yellow and East China Sea)of Korea资助