Using the Panzhihua ilmenite concentrate and the analytically pure zinc oxide as raw materials, photocatalytic powders were prepared by solid reaction calcinations process.
以攀枝花钛精矿为原料，加入一定配比的氧化锌，采用固相反应煅烧法制备具有光催化作用的多相复合粉体。
The experimental condition of acetylating method for determining priminary alcohol and secondary alcohol catalyzed by perchloric acid in the medium of analytically pure ethylacetate is proposed.
提出了以高氯酸为催化剂，分析纯乙酸乙酯为介质，乙酰化法测定伯、仲醇的实验条件，实现了对经典方法的改进，简化了操作程。
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