Open Access
表2
中心复合设计因素水平表
| 设计变量/mm | 编码 | 水平(编码值) | ||||
| -2 | -1 | 0 | 1 | 2 | ||
| a | η1 | 10 | 16.75 | 23.50 | 30.25 | 37 |
| b | η2 | 50 | 75 | 100 | 125 | 150 |
| c | η3 | 0 | 9.25 | 18.50 | 27.75 | 37 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
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