This article researches means of making gypsum productions with chemicalgypsum as material from angles of market and input-output.
本文从市场、投入产出角度，探讨了不同产量的化学石膏生产石膏制品的途径。
2
Results show that, as the chemicalgypsum was used as retarder, the cement properties can meet the requirements of the national standard.
研究结果表明：用化工石膏作缓凝剂，水泥性能符合国家标准规定。
3
The modification action of heat excitation on the physical properties of the composite binding material prepared with waste chemicalgypsum and fly ash is studied in this paper.