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[期刊论文] 作者：KUANG Runyuan,Wang Yongjin,ZHA,
来源：科学通报 年份：2004
By analyzing U and Th isotopic compositions of 41 samples in two stalagmites from Hulu Cave, Nanjing, we first discovered that variations of 238U and d 234U0 al...
Changes in terrestrial surface dry and wet conditions on the Loess Plateau (China) during the last h
[期刊论文] 作者：YuBi YAO,RunYuan WANG,JinHu YA,
来源：黑龙江科技信息 年份：2013
本文通过对荣华二采区10...
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