id	keyword
ajst-16341	𝑅 𝑅
ajst-16341	⋅ 𝑅
ajst-16341	𝑅 𝑘
ajst-16341	thermal
ajst-16341	conductivity
ajst-16341	fractal
ajst-16341	model
ajst-16341	aerogel
ajst-16341	unit
ajst-16341	structure
ajst-16341	carpet