The qualities and technical standards of the equipment include the ventilation velocity,the ventilation capacity,the effect of ejecting ,the noise,and the material standard,etc.

Formation of automobile emission plume and air exhaust mode of underground parking garages;

Some common safety problems in current exhausting pipeline design and their solutions are put forward.

Introduced the design of air-conditioning,exhaust,humidity & temperature and pressure control ofcertain R&D center,introduced the exhaust system design of lab fume hood,outline VAV system design of large R&Dlab and indoor parameters control plan;Summarized the comparison of VAV equipment and equipment selection basisand provided design notes.

Economical and technical comparison of exhaust air energy recovery schemes for animal clean rooms;

Engineering Application Study of Air-source Heat Pump Based on Exhaust Air in the Clean Operation Department;

It states abroad applications of heat recovery in building environment and facility fieldthrough introduceing the construction and principle of heat recovery in exhaust air,inner zone in building and condenser.

This paper analyzes the characteristics of the air exhaust and smoke exhaust system in the underground garage of civil building, and advances the scheme of optimizing the design of the air exhaust and smoke exhaust system in the underground garage.

Presents the design of the air exhaust and smoke extraction systems for underground garages,including smoke control and fire zoning,design of the smoke extraction and air exhaust,and fire protection air make-up systems.

This paper analyzes several proposals of air exhaust and smoke exhaust in highrise building basement,and briefly introduces electric valves in application of aircodition water system.

Energy Saving Design of Dusting System of Automatic Air-exhauster Rotor Spinning Frame;