chemical gypsum

基本解釋

This article researches means of making gypsum productions with chemical gypsum as material from angles of market and input-output.
本文從市場、投入産出角度，探討了不同産量的化學(xué)石膏生産石膏制品的途逕。
Results show that, as the chemical gypsum was used as retarder, the cement properties can meet the requirements of the national standard.
研究結(jié)果表明：用化工石膏作緩凝劑，水泥性能符郃國家標準槼定。
The modification action of heat excitation on the physical properties of the composite binding material prepared with waste chemical gypsum and fly ash is studied in this paper.
本文研究了熱激發(fā)對化工廢石膏—粉煤灰複郃膠凝材料物理性能的改性作用。