As an important right of environmental protection system, improver right has its functions on ethnics, sociology, economics and jurisprudence, which are environmental protection, social development, and economic efficiency.

Reasons for Major Diseases of Freeway Bridge and Measures for Maintenance;

Present situations and development of expressway maintenance management system in Jiangxi province;

Application of technology microlayer of modification emulsified asphalt in Ningxia public road maintaince;

The structure of the equipment, the principle and method of design, exploitation and optimization in manufacture, the technical control and maintain method in its running period have been introduced.

In the homeland current bridge curing situation is synthesized,the political affairs managing guarantee system,reinforcing a road to have brought forward to improve the cognition maintaining to the bridge,perfect bridge manages,the foster the job,and science putting into practice,dangerous standard bridge reforms coming standard bridge technical data and the trai.

Problems Existing in Highway Tunnel Curing and Management and Strategies for Them;

Analysis of Typical Diseases of Asphalt Concrete Pavement of High-Type and Curing Strategies for the Pavement;

On the management and curing of hydraulic engineering;

Cause of cracks in concrete and conservation methods;

The Key Point on Conservation and Managent of Tall fescue Turf grass in Nanjing Region;

The key point in conservation and management of cool-season turfgrass;