Ecological Carrying Capability Based on Ecological Footprint Theory——A Case Study of Yantai;

Investigation of Skeletal Age of Adolescent in Yantai Area;

The Characteristics and Present Significance of Yantai Water Transport;

Organization and Creation of the Coastal Landscape——Case Study on the Coastal Landscape of Yantai City;

The Landscape Plant Planning in Yantai City;

According to field investigation and collected information, this paper analyses the charateristics of coastal landforms formed in natural condition near Yantai City , discusses the effects of human activity on the development of the coastal landforms and points out that great care should be exercised in cosatal zone exploition and management.

Comparison of different methods of ventilation and smoke exhaust in underground parkings;

Analysis on ventilation and smoke exhaust for civil air defense underground garages;

Discusses on ventilation and smoke exhaust system design for basement of highrise civil buildings;

In the article we not only analysed the theory of flue gas condensation, but also studied the theory that the various parts of flue gas was absorbed and purified in the course of the flue-gas condensation.

Aimed at the fact that the wall temperature of heat exchanger is lower than the dew point of flue gas, the thermal energy utilization system for flue gas of positive draft gas boiler is proposed.