Using rice straw powder as filler and polypropylene (pp) film matrix,The straw/pp wood-plastic composites without with the addition of antioxidant vitamin E were prepared by kneading hot pressing.Study on aging properties using ultraviolet accelerated method,The effects different content anti-aging analyzed.Finally, application modified composite materials is researched summarized to help creat...

background : one way to optimize energy consumption is replacing incandescent lamp with compact fluorescent lamps .these lamps produce ultraviolet radiation due to the nature of light production. this study aimed to evaluate the ultraviolet radiation emitted from compact fluorescent lamps which are widely used in iran. methods : this study carries out on 16 compact fluorescent lamps (four diffe...