A modern YZ-1 type inhibitor of nitric oxides is investigated, which can be used for brass articles in bright acid dipping to inhibit formation of nitrogen oxides.
本文介绍了一种新型的YZ - 1型氮氧化物抑制剂，可用于铜件酸洗抛光时抑制氮氧化物的生成。
2
In order to obtain rust, brown, gun-black and ancient green films on brass at room temperature, the chemical coloring process on brass in acid solution was studied.
为了在黄铜基材上室温下获得铁锈色、棕色、枪黑色、仿古绿色膜层，研究了黄铜酸性化学着色工艺。
3
Through the discussion on brass pickling processes, a new technology of super lower nitric acid is put forward to replace the conventional sulfuric acid-hydrogen peroxide process.