硝的 meaning in Chinese

azotic

Experimental research on the reduction of nitrogen oxide by iron in petroleum - coke - fired fluidized beds
石油焦流化床燃烧过程铁金属脱硝的实验研究
The refinement of product mirabilite is an improvement of the mirabilite extraction by thermal process . it bas an effect on brine purification and mirabilite extraction without changing the technological process
产品芒硝的精制是对热法提硝的改进，它在不改变原有工艺流程的前提下，通过产品精制取得了卤水净化提硝的效果。