Chen Jia-ji,the Pioneer of Art Education in Quanzhou;

The evidences in the historical records of ancient character and handwriting proved that China had some transportation means such as "carts" and "boats" on the system of "message passed by cart".

According to damp explosion theory and roof fall rule,the paper estimate damp amount,heat amount and heat equivalent(to be equal to heat amount of 1 ton of TNT explosive) of a big accident happened in Chenjiashan Mine on 28th,Nov.

Geological and geochemical characteristics and genesis of Chenjiazhangzi cryptoexplosive breccia pipe gold deposit, Chifeng, Inner Mongolia;

Geological characteristics of the Chenjiazhangzi cryptoexplosive breccia-type gold deposit, Inner Mongolia and direction in mineral prospecting;

The Geological Characteristics of Cryptoexplosive Breccia Chimney and Gold Deposit of Chenjiazhangzi in Inner Mongolia;