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Cut-off Grade and Hauling Cost Varying with Benches in Open Pit Mining

by Siwei He, Xianli Xiang and Gun Huang

American Journal of Mining and Metallurgy. 2015, 3(2), 54-57. DOI: 10.12691/ajmm-3-2-3
Pub. Date: November 22, 2015Views: 18094 Downloads: 16342Like: 15

cutoff grade bench average grade expected profit ore tonnage stripping ratio

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A Statistical Analysis on the CEE (China) Grade Difference between Urban and Rural Candidates

by Wu Cinan

American Journal of Educational Research. 2013, 1(7), 240-246. DOI: 10.12691/education-1-7-4
Pub. Date: August 14, 2013Views: 27386 Downloads: 21543Like: 38

fair educational opportunity average grades candidate groups standard deviation correlation coefficient

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