The main experi-ences with exploration in medium and small basins in-clude:persisting in regional exploration and actively seek-ing for reserve plays;grasping the key to exploration and carefully selecting a break through point;thoroughly study-ing the cha.

On basis of recent research result of the small and middle sized basins in northwestern China, and under the light of success of petroleum exploration in Tuha,Santanghu and Yanqi basins,the exploration prospect of the small and middle sized basins around the Jnnggar Basin and Tianshan mountain has been analyzed.

Microsurgery for intra and extra middle skull base tumors: analysis of 16 cases;

Through investigating a large number of surface fractures in the eastern Sichuan Basin and combining the observation results of subsurface core fractures in the middle part of the Sichuan Basin, the relation between the surface fractures and the subsurface fractures is discussed and a set of projects to classify fractural types based on the structural origin is proposed out in this paper.

The abnormality degrees of their external and middle ear were observed, the relationship between the auricle growing level, the bony fossa of external acoustic meatus, the hearing degree before operation and the abnormalities of middle ear were reviewed respectively.

The well X1 located in Penglai-zhen structure of central Sichuan Basin has been producing water for more than forty years, experiencing the course of natural water flow, pumped water production and repeated natural water flow.

The Evolution of the "Mean" Conception Before The Qin Dynasty;

Compared with Confucianism,Laozi put forward the "soft" approach — the mean.

Song Dynasty Zhou dunyi, the founder of "lixue", put forward a theory original from the view of no-end" named "the value of no-desire", based with "honesty" and "mean".