Nishan

Nishan

1

Study on Karst Collapse Mechanism in the Nishan Reservoir Area

尼山水库岩溶塌陷机理研究
2

Nishan reservoir that we study is a large-scale reservoir .

研究区尼山水库是一座大型水库。
3

Nishan reservoir concerns directly Qufu that is history and culture ancient city in the downstream ;

尼山水库的安全直接关系到下游历史文化古城&曲阜（三孔）；
4

Since ancient times , ink stones were rich in Shandong , such as : Hongsi stone , Zi stone , Nishan stone , Zijin stone and so on were already renowned in the Tang and Song Dynasties .

自古山东砚石丰富，红丝石、淄石、尼山石、紫金石等在唐宋时期便已享有盛名。