Study the pretreatment of cyanide tailings from Penglai gold smelting plant and make the optimal processing condition of cyanide tailings' pretreatment and red iron oxide 's production.
以蓬莱黄金冶炼厂金矿氰化尾渣为原料，主要对氰化尾渣的预处理及铁红制备进行了详细的研究，得出了氰化尾渣提金和制备纳米氧化铁红的最佳的工艺条件。
Objective To study the optimal condition of color protection in the processing of canned Chinese yam.
目的研究山药罐头加工中最佳的护色条件。
The selection of raw material and its well match are analyzed, and an optimal spinning and weaving processing condition is obtained on the bases of the experiments.
文中着重分析了该产品原料的选择和配比，在实验的基础上得出了最佳的纺纱、织造工艺条件。
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