The effect of addition of P_2O_5 in a few thousandths on the devitrification behavior of plate glass with primary phase of tridymite is different from that with primary phase of wollastonite.

• 在初晶相为鳞石英的平板玻璃中加入千分之几的P_2O_5后对析晶性能的影响与初晶相为硅灰石的平板玻璃是不同的。