SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.
SOL 170 是一种特别渗透性配方的防水剂,有效于保护大理石、花岗、天然石材等。防止水印水渍呈现于石材表面,并可防止污渍渗入表面、冰霜侵入防止风化。
Rendzina A type of brown earth soil typical of humid to semi-arid grasslands over calcareous rocks. The rendzina is rich in lime and has an upper humus-rich horizon.
This paper discussed water liquor acts on micrinite in the calcareous clay at the bottom of saline aquifer and put forward the concept of filter bed of salinity.
These calcareous structures — the result of what was a brand-new process, using solar radiation as a source of energy — are stromatolites, constructed by complex microbial communities, in particular cyanobacteria.