Tungsten alloy radioactive source shield may be a tungsten alloy container for storing and transporting medical radioactive sources, or may be a shield used for medical equipment containing radioactive sources (such as bone densitometer, gamma camera, gamma knife, cobalt 60 treatment machine, etc.) to prevent a large amount of radioactive energy exposure, reduce radioactive pollution, and improve safety. Tungsten alloy radioactive source shields can provide a more reliable and environmentally friendly radiation shielding effect than traditional lead shields.

WO3 is the optimal sensing material for producing O3 gas sensor by detecting changes in surface conductance after tungsten trioxide film on sensor contacts the measured gas - O3. As we all know, O3 has been widely used in disinfection and sterilization, sewage treatment and other aspects.

Tungsten alloy shield is widely applied in medical equipment for diagnosis or treat. Tungsten alloy shield may be some tungsten alloy leaves on radiotherapy equipment such as electronic linear accelerators. It has been reported that tungsten alloys are outstanding materials for shielding of gamma rays and X rays as tungsten alloys have multifarious properties such as high radiation absorption, good corrosion resistance, high ductility, high durability, high density, good adaptability, high machinability, low toxicity and high strength. Therefore, tungsten alloy shields are often used to replace lead shields.

WO3, a n-type oxide semiconductor, is regarded as the best sensing material for fabrication of H2S gas sensor to realize the monitoring and detection of H2S gas. You know, H2S gas is an air pollutant, which not only seriously threatens human health, but also affects industrial production. In industry, the maximum allowable mass concentration of H2S in air is 0.01 mg/L. So, there is an urgent need to develop a H2S gas component.