【化】 耐晒牢度; 耐晒色牢度

用于各种纺织的染色牢度、耐气候色牢度及光老化试验。

用于各类有色纺织品耐人造光色牢度，耐人造气候色牢度，高温耐光色牢度及涂层织物光加速老化的试验。

mouse, joystick, touch pad, touch panel, touch screen,light pen, digitizer tablet

coefficient of light absorption【环境】

extra light calcined magnesia

Soda Ash Light & Dense

cold light source

laser light amplificationby stimulated emission of radiation

neon light tube vacuum pump

reflected light