50℃时P2O5-MgO-NH3-H2O四元体系相平衡研究
江成发,郭志琴,苏裕光
Study on the equilibrium or P2O5-MgO-NH3-H2O quarternary system at 50℃
JIANG CHENGFA;GUO ZHIQIN;SU YUGUANG
化学学报 . 1991, (9): 862 -869 .