A Study of the Pollution and Causes of Formation on Acid Rain in Beihai;

A Probe on Urban Commercial NetworkPlanning——A Case Study of Beihai City;

Discussion on Beihai Immediate Plan;

Utilization of North Sea Oil and Gas Resources and Maritime Boundary Delimitation;

Based on the investigation of various deep drilling techniques in which the depth exceeds 4,500 metes in the recent twenty five years, it is considered that the drilling techniques during US and North Sea of Europe are the advanced in the world and there is a tenyear gap between them and former Soviet Union and China.

Based on the high-resolution sequence stratigraphy and subsidence analyses of 73 wells in the Beryl Embayment, Viking Graben,North Sea, this paper tries to describe the sedimentation and subsidence models of the Middle-Late Jurassic syn-rift phase, andto determine the timing and location of boundary fault linkage and variation of active extension directions, and their control onsedimentation and .

High-precision δD and δ~(18)O measurement of water samples using gas equilibrium method and its application in tracing water mixing in nearshore areas of Beihai city

The seismo geotechnical environmental characteristics of Beihai City area are discussed from data of geomorphic features, unconsolidated deposits, site soil and site types, and period of site in the paper.

Heavy metal contents in Sousa chinensis in Beihai area;

Characteristics of Tertiary Sediments and Main Source Rocks,Northern South China Sea;

Residue of BHC and DDT in three species of Nemipterus fish from continental shelf of northern South China Sea;

Reservoir type and sedimentary evolution in the continental margin deepwater area of the northern South China Sea;