The independence of old ancient rhyme category of the Dong (冬) which is made by KongGuangsen had begun from fixing up rising tone of rhyme Dong of The Book GuangYun (广韵).

A philosophical study of plants totem and agricultural gods in ancient times;

On the periods and features of the civilization contact in the Middle East in the ancient times;

Through an investigation of the ancient classical literature,we believe that "long"(dragon) is a sort of real animal living in the Yellow River Delta in and before the Chun Qiu(Spring and Autumn) Period,which is familiar,domesticable and associated with ancient people s praying to the rain-god for its habitual nature,and gradually becomes extinct due to natural vicissitudes.

The development of ancient religions in the Middle East falls into four periods: 1) paganism and polytheism,centered around Egypt and Mesopotamia;2) spread of polytheisms from the two centers to other areas;3) rise of dualist religions and monotheism;4) rise and dominance of universal monotheisms.

Gas pool-forming conditions for Bohai Bay Basin and Ordos Basin in the Upper Paleozoic;

Characteristics of the reservoir porosity structures and their controlling factors from the Upper Paleozoic in the northern part of west margin, Ordos Basin;

The Tectonic Environment,Typical Gas Pools and Exploration Direction of Coal type Gas Provinces in China Ⅰ——Coal type Gas of the Upper Paleozoic;

Characteristics of Upper Palaeozoics Sandstone Reservoirs in the Middle of Ordos Basin;

Segmentation of North China craton and gas-bearing problem in upper Palaeozoic of North China Plain.;

Distribution and genesis of large-scale Upper Palaeozoic lithologic gas reservoirs on Yi-Shaan Slope;

Reservoir characteristics of neopaleozoic in the east of ordos basin;

The Study on the Assemblage of Generating-Reservoir-Cover in Neopaleozoic of Hangjinqi Area in the North of Ordos Basin;

Neopaleozoic Petroleum Reservoir Geology & Pool-Forming Conditions in the South of North China Basin;