The lower bound of efficiencies of least square estimate with respect to the ridge estimate;

Solving bottleneck travelling salesman problem with competitive decision algorithm based on quick lower bound estimation;

The lower bound of tenable probability about inequation group;

Two Circulant Graphs of Prime Order and New Lower Bounds of Eight Classical Ramsey Numbers;

Lower Bounds for Three 2-color Van der Waerden Numbers W(k_1,k_2);

In this paper,we give the estimates for the upper and lower bounds on the inverse elements of strictly diagonally dominant periodic tridiagonal matrices,and improve the latest findings.

Oil-gas exploration prospect of dolomite reservoir in the Lower Paleozoic of Tarim Basin;

The Characteristics of Fluid Inclusions in Lower Paleozoic System of the Well Wuke 1 and the Analysis of the Reservoir-forming Stage;

The forming mechanism of dolomite reservoir space of Lower Paleozoic in Zhuanghai region, Jiyang Depression;

Upper Paleozoic-Lower Mesozoic in the Coqên basin, Tibet, China:A potential petroleum-bearing sedimentary sequence.;

Basin-mountain coupling relationship and oil-gas response in lower Palaeozoic since the Indo-China epoch in Jianghan Plain;

Classification and Characteristics of Hydrocarbon Regeneration from the Lower Palaeozoic Group in the Tazhong Area of Tarim Basin;

Genetic study of inner buried hill reservoirs in lower Palaeozoic of Jiyang depression;

Paleozoic buried modification feature of and meaning of reservoir in Zhuanghai area of Jiyang Depression;

Carbonate pore characteristic and genesis of reservoir heterogeneousness of Paleozoic in Zhuanghai area;

This paper gives analysis of the Paleozoic in Liaodong Bay and gives some new knowledge of the zonation of Paleozoic carbonates and the horizons penetrated by drilling based on velocity and paleontologic data.