Abstract: Processes of blackening of iron and steel at room temperature have been extensively used for their peculiar advantages.
文摘：钢铁常温发黑工艺由于其独特的优点而得到了广泛应用。
New process of blackening surfaces of iron and steel at room temperature and its possibleblackening mechanism are stated.
报道了在钢铁表面发黑新工艺，探讨了发黑机理。
New process of blackening surfaces of iron and steel at room temperature and its possibleblackening mechanism are stated.
报道了在钢铁表面发黑新工艺，探讨了发黑机理。
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