1) The air borne microbial particles precipitation from some sites over the urban district in Baoji City was monitored by using the technique of gravity plate.

2) Air borne FLIR system is one of the high tech weapons in modern wars, It's function, structure, equipment, improvement and manufacture are reviewed, development tendency of this system are described .

3) The underlying cause is environmental through air borne toxins as well as toxins in the water supply or food supply.

4) Objective To evaluate the relationship between air borne pollen amount and meteorological factors in Beijing urban area.

5) According to the autopilot guide method, a longitudinal system control model for the air borne dispenser has been built.

6) Whirl-Air Bag Unloading systems typically include dust collection features for reclaiming air borne particles, minimizing product loss and facilitating clean operation.

7) The trap based filter radiometer is a key unit of new optical radiometric standard detectors, and has potential applications in radiometric calibration of field, air borne and space borne sensors.

8) This paper describes the simulation system for debugging and testing of air borne radar application software.