空气质量糟糕时,人们出门不得不戴口罩,这是全球的烦恼。荷兰科学家为此发明了一种能净化空气的特殊道路,最多时可“吃掉”空中近一半的有毒气体。荷兰埃因霍温科技大学的研究者在荷兰亨格罗市铺设了一条特殊人行道,以检测对空气质量的影响。这条人行道由砖块和水泥铺成,看起来与普通人行道毫无差别,唯一不同的是,砖块在铺设前喷洒了二氧化钛(一种白色无机颜料,具有无毒、不透明性,常用于化妆品、高档油漆中)。经过一年的调查,研究者发现,这条特殊人行道可大大改善空气质量。研究者在《有毒物质杂志》上发表了调查结果与普通人行道相比,含二氧化钛的人行道上的有毒气体如二氧化氮含量平 When the air quality is poor, people have to wear masks when they go out, which is a global concern. To this end, Dutch scientists have invented a special way to purify the air, up to half of which can be “eaten” nearly half of the toxic gases in the air. Researchers at the Eindhoven University of Technology in the Netherlands have laid out a pedestrian walkway in the city of Hungerom in the Netherlands to test the impact on air quality. The sidewalk is made of bricks and cement and looks the same as the ordinary sidewalk. The only difference is that the bricks are sprayed with titanium dioxide (a white inorganic pigment, non-toxic and opaque) that is commonly used in cosmetics , High-grade paint). After a year of investigation, the researchers found that this particular sidewalk can greatly improve the air quality. Researchers in the “Journal of Toxic Substances” published the survey results compared with ordinary sidewalks, toxic gases on the sidewalk containing titanium dioxide, such as nitrogen dioxide levels