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As one of the first manufacturers that are qualified to produce PM2.5 masks in China, we have now five production lines for PM2.5 masks. In 2013, we founded our branch company Tongcheng Chaoxia Labor Protection Articles Co., Ltd., whose main products are N95 folded masks, cup shape masks, anti dust and anti poison masks and gauze masks, etc.
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2 · Across 21 volunteers, the homemade cotton masks captured 50% of 0.02 1 micron particles, compared with 80% for the surgical mask. Thus, DIY masks still managed to capture particles while people were actually wearing them. Based on this data, the researchers concluded that homemade masks would be better than nothing.
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2 · The Best Material for Making a Homemade DIY Mask. Researchers at Cambridge University tested a wide range of household materials for homemade masks. To measure effectiveness, they shot Bacillus atrophaeus bacteria (0.93 1.25 microns) and Bacteriophage MS virus (0.023 microns in size) at different household materials.
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Journal of Agricultural Engineering <RECORD 1> Accession number:20171503558493 Title:Design and experiment on real time monitoring system of wheat seeding
2014 3 3 · Electrochemically Self Doped TiO2 Nanotube Arrays for Efficient Visible Light Photoelectrocatalytic Degradation of Contaminants Liao, Wenjuan ,Zhang, Yanrong Yang, Jingwei·
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