1 Migrating birds show extreme sensitivity to air currents.

2 Birds use warm air currents to help their flight.

3 A large bird was riding the air currents beneath it.

4 Birds of prey use warm air currents to lift them high in the sky.

5 Some birds use warm air currents to help them fly.

6 A large bird was riding the air currents below him, and he decided it must be an eagle.

7 The ground always releases heat, making turbulent air current.

8 The submersion air current does, but cold.

9 The air current from forced ventilation is a wall - attached jet in the heading face.

10 The design of chimney and air current, the gate of fire way, the laying of fire box and adjustment of the flame height, were the key factors of fire way.

11 The air current dissemination funation of the spore of rice false smut, Ustilaginoidea virens (Cooke) Takahash, is confirmed by capturing air-bornetechnique.

12 Tomorrow, under northerly air current control, whole city weather clearly to cloudy.

13 Faulty air current under the licker in(), cylinder & doffer.

14 When install, the all linker that air current pass must have sealing washer.

15 The radioactivity was being swept upwards by the air current and out into the atmosphere.

16 When the evening comes the female spruce budworm moth rises up on warm air currents.

17 The glider circled the escarpment and was carried with the warm air currents into the upper atmosphere.

18 Others suggest that the buildup of mountains by tectonic movement may also serve as a trigger, by altering air currents.

19 It was as if the sounds were rising and falling with a supernatural air current.

20 The weight of the glider and the woman slowed him down, but he could feel the warm air currents.

21 Dive and glide in the blue sky then let the air currents carry you along.

22 I was in a sea plane with 10 others, bouncing in the air currents.

23 All the islands suffer from gusting caused by turbulent air currents over the cliffs.

24 I didn't know anything about the way some birds use warm air currents to help their flight.

25 At rest, Arthur was an aged peregrine constantly scanning local air currents for unwary prey.

26 The flour mill noise origin mainly has the mechanical noise, the material and the machinery hit and the friction and the air current noise.

27 A modification of existing open - end techniques has been introduced that combines mechanical and air current operations.

28 A goose's wings churn the air and leave an air current behind.

29 It can be widely used in the air quality monitoring, automatic ventilating system, air purifying machine, and air current controlling equipment.

30 The falling leaf was buoyed up by a rising air current.

31 If the plane drops suddenly, it is probably an air pocket ( air current ).

32 Below action of speed air current, the person floats in air, swimmer swims in air so.

33 The flight's a little bumpy because of air current. Please keep seated and calm.

34 The OSAHS differential diagnosis main center sleep apnea syndrome refers to when the sleep the mouth, the nose air current and the chest abdominal breathing also suspend.

35 When contacts the wall surface or the encumbrance, the eddy current air current then diffusion circulation to the entire indoor space, forms the air cycle effect again and again.

36 Microcystin - LR concentration increased with the amount of air current or CO 2 current rising.