When I went out for a morning run, the air quality app on my phone reminded me that "today's PM2.5 index is 35, suitable for outdoor exercise"; Passing by the river next to the residential area, I saw the green data of "turbidity 0.5NTU, dissolved oxygen 8.2mg/L" jumping on the water quality monitoring screen; When buying vegetables, I heard the vendor say, 'The soil used to grow these local veget...

The "Invisible Killer" in Sterilization Finally Meets Its Wireless Lifesaver Ethylene Oxide (ETO) ensures medical devices are sterile, pharmaceuticals are safe, and food stays fresh—but it’s also a hidden killer. Exposure to just 10ppm of ETO can cause nausea, and long-term contact increases cancer risk. Yet traditional monitoring methods are a disaster: manual testing exposes workers directly to ...

Introduction: The "Invisible Threat" of H₂S Calls for Professional Protection In many industries such as petrochemicals, sewage treatment, and mining, hydrogen sulfide (H₂S) is an extremely dangerous gas—it is colorless, highly toxic, and can cause discomfort even at low concentrations, while high concentrations can be life-threatening in a short time. Due to its characteristics of "invisible, det...