
Энэтхэг гулсмал тээрэм
bhubaneswar гулсмал тээрэм. bhubaneswar гулсмал тээрэм BET theory Wikipedia The BET theory applies to systems of multilayer adsorption and usually utilizes probing gases that do not chemically react with material surfaces as adsorbates to quantify specific surface area.Nitrogen is the most commonly employed gaseous ...