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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2019
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Article
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Tab 3
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Research Article
Screening the Main Factors Affecting the Wear of the Scraper Conveyor Chute Using the Plackett–Burman Method
Table 3
HGI of the coals.
Source place of coals
Ningxia
Shanxi
Shaanxi
(all in China)
HGI
51
75
58