以含硫化合物还原红曲色素，红斑素和红曲红素分子中的环羰基还原成羟基，得到水溶性红白曲黄色素。
The water soluble Monascus yellow pigment was prepared by reducing the cyclocarbonyl of monascorubrin and rubropunctatin to hydroxyl with sulphuric compounds.
用自制一氧化碳发生炉提供的还原气氛，在管式炉中仿制了铜红釉试片。
The sample of red copper glaze was imitated in pipe furnace under the reduction atmosphere offered by self-making co reaction furnace.
介绍了自还原法制备低温无铅铜红釉的工艺方法、工艺参数以及影响铜红釉呈色效果的因素。
Introduce technic method, technic parameters, and factors which affect the color of the glaze of low-temperature no-lead red copper glaze by using self-destruction.
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