Recently, Shanghai Eastimage has provided a batch of security check equipment for the Lishui long-distance bus station to establish a safety barrier for passengers to avoid explosions and other accidents. Security check equipment can reduce the security risk brought by luggage to a low. As a profess

As the first pass to ensure the safety of the subway, the security check aims to check whether the luggage and items carried by passengers are safe, and to carry out targeted detection of suspicious items. But as a public travel mode, the subway has two biggest features: l relatively closed environ

All objects in nature, whether they are Arctic glaciers, flames, human bodies, or even the extremely cold deep space of the universe, will have infrared radiation as long as their temperature is above absolute zero - 273°C. This is due to the thermal movement of molecules inside the object. Its radi