Incandescent light Tungsten filament is installed in the incandescent light, the luminous efficiency is 10 ~ 15lm/w, the color temperature is about 2800K, ...

Design: According to the design requirements of the customer, the size, color and font of the light box are arranged in accordance with the changes of the ...

First of all, the brightness should be appropriate: if the brightness is too low, the light on the book is dark, it is not easy to see the writing, which will ...

Thermal radiation source It is made by the principle of radiation and light emission when the object is heated to high temperature. This type of light has a ...

Remove the grille reflector on the light panel. Be careful when removing the grille reflector. Do not scratch it. Place the light body on the reserved ...

Regarding the germicidal lamp, there is no doubt that it has excellent functions in algae removal. Although not all bacteria are effective in sterilization, it ...

Ultraviolet rays are a kind of low-energy electromagnetic waves, which have been widely used in medical, health and epidemic prevention, food industry, ...

Materials needed (a), a strip of material made of wood or metal and a triangular-shaped bracket used to form an overall frame. (b) Prepare ...