Application of Deep Learning Algorithms in Determination of Trace Rare Earth Elements of Cerium Group in Rocks and Minerals

Table 3

Test result statistics of the hardness of fracture surface.

Sample	1.5	3	4.5	6
A	34	36.5	39	41
	37.5	38	38	41
B	36.5	37.5	41	39.5
	38.5	42	42	40.5
C	40	43	41	37
	38	42.5	41.5	41