News tagged with valve
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Orion Launch Abort System Attitude Control Motor Lights Up Sky
Space & Earth / Space Exploration
Dec 17, 2009 |
4.7 / 5 (3) |
1
(PhysOrg.com) -- It looked like a light show in Elkton, Md., on Tuesday, Dec. 15, as NASA ground tested a full-scale attitude control motor, or ACM. The motor operated with precision as its elaborate eight-valve ...
Imaging tests identify role of allergies in chronic sinus disease
Dec 21, 2009 |
not rated yet |
0
Exposing patients with chronic sinus disease to allergens and then obtaining repeated images by X-ray or ultrasound reveals that nasal allergies may be involved in some cases of chronic sinus disease, according to a report ...
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