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Paleotemperature changes ver the past 3000 years in eastern Beijing, China:A reconstraction based on
[期刊论文] 作者：MA Zhibang,LI Hongchun,XIA Min,
来源：黑龙江科技学院学报 年份：2003
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
Paleotemperature changes ver the past 3000 years in eastern Beijing, China:A reconstraction based on
[期刊论文] 作者：MA Zhibang,LI Hongchun,XIA Min,
来源：科学通报 年份：2004
The Mg/Sr ratio in a stalagmite, which is directly proportional to DMg/Ca, the solid-liquid distribution coefficient of Mg, is proposed as a geochemical thermom...
[期刊论文] 作者：WANG Fei,LI Hongchun,ZHU Rixia,
来源：科学通报 年份：2004
Layered cave passages formed on the walls of the Qianyou River valley in the middle part of the Qinling Mountains since the Pleistocene due to the intermittent...
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