Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"Grade control"”.
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A study of the relationship of a parenting program to reading achievement scores of single-parent children
… minutes, two times a week. Forty-seven control students remained in the classroom.Multivariate analysis of covariance was done to test the null hypotheses. The criterion for rejecting or retaining the null hypothesis was set at the .05 level of probability.Data collected from the pre- …
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On the Design of Instream Structures in the Mid-Atlantic United States: An Investigation of the Design, Project, and Watershed Factors that Affect Structure Success
… performed best when constructed using downstream grade control and increased substrate depth. The results of this study provide insight into design and project features that contribute to structure success.
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A geological study of the River Ranch kimberlite pipe and associated diamonds and mantle minerals : Limpopo Mobile Belt, Zimbabwe
… macrocryst studies should be a valuable aid to grade control and mine planning.
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Design and implementation of an automated gamma probe for jet boring uranium mining.
… and achieve conversion of gamma counts into U3O8 grade. Cigar Lake is the second highest known grade uranium mine in the world. The mine is located in northern Saskatchewan, Canada. Project engineers during the 2000 JBS proof-of-concept tests suggested that jetting parameters for extracting …
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Recoverable resources calculation using non-linear methods: a comparative study
… lower than at the time of final selection (grade control), and the potential for unnacceptable conditional bias to be introduced through the use of linear geostatistical methods when determining grade estimates over a small support has led to assessment of the potential benefit of employing …
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Compositions, logratios and geostatistics: An application to iron ore
Common implementations of geostatistical methods, kriging and simulation, ignore the fact that geochemical data are usually reported in weight percent, sum to a constant, and are thus compositional in nature. The constant sum implies that rescaling has occurred and this can be shown to produce …