levigation การใช้

This clay suspension was most probably collected in situ from illitic clay beds and was then processed through levigation.
This resulted in track officials diamond-grinding the track, a process known as levigation, to smooth out bumps that had developed.
This race was known for the levigation disaster that made the track extremely fast causing the tires to blister and blow out after about 30 laps.
To aid in the levigation step, it is likely that the Attic black slip was treated with deflocculants as indicated by trace levels of contaminants to the clay, such as Zn associated with vitriol.
His Lowe's Motor Speedway underwent a process called " levigation " for 2005 but the result was a NASCAR-record 22 cautions, mostly for crashes, in the Coca-Cola 600.