运用液化气灶，对板栗的灼烧进行正交试验，确定了最佳工艺参数。
And the orthogonal experiment of chestnut burning was conducted using a natural gas stove and gained the optimal parameters.
另外还系统地试验了试样灼烧温度和灼烧时间对黑、白钨矿溶解率的影响。
The effects of ignition temperature and period of ignition on solubility of scheelite and wolframite have been investigated.
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