The Analysis of Typical Image of Overthrown Monarch in Later Feudal Society——On the Feature of Emperor Cong Zhen in Historical Novel Li Zi Cheng;

On the 19th day of the third lunar month in 1644, Emperor Zongzheng of Ming Dynasty hung himself.

Being Eager to Strive for Governance,Perished in Speed——Emperor Chongzhen;

Studies Summary on Chongzhen in the Recent 20 years;

Brief Analysis of Natural Disastersin Zhejiang Province During Chongzhen 13 and 14 Years of Ming Dynasty;

Keplerian Physical Astronomy in the Chongzhen Lishu;

The Corrections for Atmospheric Refraction in Chongzhen Lishu and Lixiang Kaocheng Houbian;

The Transmission and Influence of Ptolemy s Almagest Towards the End of the Ming Dynasty in China——A Case Study of Chongzhen Lishu;