as we all knows that passiv sheet can remove or eliminate the effect from air .When comparing with the polymer contamination and metal ion doping ,which of these three could be the dominating factor ?
link
http://pubs.acs.org/doi/abs/10.1021/acsnano.6b00064
http://tutorial.math.lamar.edu/Classes/DE/Modeling.aspx
http://www.sciencemag.org/news/2016/02/gravitational-waves-einsteins-ripples-spacetime-spotted-first-time
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4864380/
http://articles.mercola.com/sites/articles/archive/2015/06/20/noise-pollution.aspx
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