analytical grade
1.The analytical results indicate that the standard absorption moisture possesses the better sort feature,but the classification grade is obviously higher according to the above specification,and the free swelling ratio of expansive soil in the middle area of Anhui Province is lower.
2.And then the new method is applied to analysis the utilization of low-grade resource in an open pit copper mine in Jiangxi Province. The analytical results are thought to be very useful for the management decision making, which provides an operational example for further researches.
