Natural sepiolite was treated with HCl solution to change its surface and internal structure and the struc ture of sepiolite was cracked to produce SiO2 when th
Traditionally, it is widely accepted that measurement error usually obeys the normal distribution. However, in this paper a new idea is proposed that the error in digitized data which is a major deriv
The ultra-fine-grinding and resin-in-pulp with pH value of 10 are used to extract gold from pyrite roster cinder. During leaching process, aluminium oxide ball