Minish the well space and increase transflux routeways upper backwater and driving, especially setup precipitation well and drain residual water at the bottom of diving layer.
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.
A displacement ventilation system was provided, it can form the "air layer" at the bottom of room so that resistance dewiness air meet directly the cold floor surface.
The glass bottle is clear at the bottom, graduating into black towards the all-black cap.Crystal droplets are engraved on the back of the flacon, which was designed by French sculptor Serge Mansau.