coal grinder eBayFind great deals on eBay for coal grinder Shop with confidence -coal grinder to 100 nanometers-,Sandia National Laboratories News Releases Biologically First the array which may be 100 nanometers long is treated with a technique called atomic layer deposition to make the nanopore surface water-averse or hydrophobic This is followed by an oxygen plasma treatment that overlays the water-averse surface to make the nanopores water-loving or hydrophilic but only to a depth of 18 nanometers …… Get More