The optical flame detection is based on infrared sensor or ultraviolet sensor. Its detection target is to detect the uni···

ETCO2 is the sixth basic vital sign besides respiration, body temperature, blood pressure, pulse and arterial oxygen sat···

SF6 gas is widely used in electrical equipment insulation and dielectric applications. More than 10000 tons of SF6 ···

Natural gas is a clean and efficient energy. Meanwhile, it is flammable and explosive. If a large amount of natural gase···

China is a major country of gastric cancer. It reaches about 40% in the world. Gastric disease detection can be achieved···

Automobile exhausted gas is one of the main sources of air pollution. Regularly inspection of the vehicle exhaust emissi···