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
2.
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。