Many people have these troubles. Even if they do daily cleaning, there are still many bacteria. PM2.5 in the air does not d...

The effect of different wavelengths of light on plant photosynthesis is&nbs...

After the explanation in the previous article, we know that long-term exposure to the UVC lamp will affect people, so those...

Incandescent lamp is a common light in daily life.The principle of luminescence is based on the phenomenon of thermal radiati...

Referenced standards and specifications :lEC60958-1 General requirements and tests for luminariesIEC62471:2006 The photo-biol...