DESn.二乙基固醇（=DIETHYLSTILBESTROL)abbr.目的港船上交货(=Delivered Ex Ship)；教科部(=Department of Education and Science)Deschka德施卡

1. Several flue gas desulphurization technologies are introduced.
   介绍几种典型的烟气脱硫工艺。
2. The performance of the slag cement blended with desulphurization gypsum is studied.
   本文研究了脱硫石膏对矿渣水泥物理性能的影响。