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The principle and classification of infrared detectors
Infrared is not unfamiliar to us. Scientific research shows that any object that has a temperature above absolute 0°C can generate thermal radiation. When the object temperature is lower than 1725°C, the heat radiation spectrum generated by the object is concentrated in the infrared region, s ....
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Rescue staff precautions
News Related Keywords: No tags. First, rescue should: 1. Think carefully and be careful. 2. Inform the authorities about the extent of damage and the number of casualties in your area. 3. Reconnaissance before starting work is not a waste of time. 4, on the damaged staircase or floor, try to ....