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Mathematical Problems in Engineering
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Special Issues
Mathematical Problems in Engineering
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2014
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Article
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Tab 1
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Research Article
Study on the Method for Collecting Vibration Signals from Mill Shell Based on Measuring the Fill Level of Ball Mill
Table 1
The hierarchical condition of steel balls.
The serial number of balls layer
(10
−2
s)
1
1.55
68
90
158
2
1.60
65
85
150
3
1.65
62
80
142
4
1.75
59
75
134