-4 中文名称：还原黑8 英文名称：Vat Black 8 分子式：C45H19N3O4 分子量：665.65006 更多的还原黑8物化性质，请参考960化工词典词条： 还原黑8 相关产品： 酸性媒介黄8
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还原黑的颜色，添加咖啡或茶，强烈向冲洗水。
To restore the black color, add coffee or strong tea to the rinse water.
分析了还原黑BBN和还原黑DB的结构特点和生产成本，具体介绍了纱线染色的工艺条件，以及染色过程中需注意的事项。
The chemical structure and production cost of vat black BBN and vat black DB are analyzed. The process conditions of yarn dyeing with these two dyes are introduced as well as the attentions in dyeing.
对该玻璃表面黑化，采用了离子交换氢还原法、玻璃中掺杂着色离子法、表面涂覆法以及溶胶凝胶法。
The glass surface is blackened by use of ion exchange hydrogen reduction method, doping coloration ion method, surface coating method and collosol-gelling method.
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