The absorber is one of the important components of the solar thermal power generation system. According to the different heating methods of the working fluid, it can be divided into two types: indirect heat absorption type and direct heat absorption type. The indirect endothermic absorber can be div... Read More
Plastic optical fiber (POF) is a high-transparent polymer such as polystyrene (PS), polymethyl methacrylate (PMMA), polycarbonate (PC) as a core material, PMMA, fluoroplastic, etc. as a skin material. Optical fiber (optical fiber). Different materials have different light attenuation properties and ... Read More
For scale application, we must first digest the technology of absorbing plastic optical fiber and optical devices, for example, we can introduce foreign advanced technology to absorb and absorb; secondly, promote industrialization, especially in the fields of automobile, electric power, home managem... Read More
Lighting methods can be divided into: general lighting, partition general lighting, local lighting and hybrid lighting. The applicable principles should meet the following requirements: 1. When it is not suitable to install partial lighting or use mixed lighting, it is reasonable to use general ligh... Read More
Comparison between LED and traditional tunnel lighting light source LED is a solid-state semiconductor device that can directly convert electricity into light. Compared with traditional road tunnel lighting light sources (sodium lamps, metal halide lamps, etc.), LED light sources have the following ... Read More