Through calculating the discharge quantity of nitrogen (N) and phosphorus (P) from each cage, and taking the maximum restriction values of N and P for eutrophication as control values, a mathematical model is employed to simulate the restriction of marine environment of the Gongwan Bay on the capacity of cage-culture.

Based on the comparison of current way of stop and parking organization at three types of bus bay stop, and full consideration of the impact on road traffic, time for bus parking and comfort of passengers, an appropriate way of parking organization is proposed, and Visual Basic is used for its analog simulation.

Learn the Management of Japan Shimizu Company from the Caribbean Department Project in Singapore;

Though the brief introduction of the completed Sheng Zhen Wan Bridge Healthy Monitoring System(SZWBHMS) for Shenzhen Bay Highway Bridge of Shenzhen-Hongkong Western Corridor,the self-developed system frame and hardware scheme of this practical research project are systematically discussed in this paper.