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fang shui shi gao zhi pin de yan jiu yu shi yan ( shang )
Author(s): 
Pages: 8-27
Year: Issue:  3
Journal: Yunnan Building Materials

Keyword:  胶结料防水石膏制品软化系数煤歼石粉煤灰改性粉煤灰掺量长期强度试验结果化学成分改性料;
Abstract: <正> 一、前言石膏是一种气硬性胶凝材料。由于它在自然界中分布较广,人类很早就用它来生产建筑石膏及其制品。随着建筑工业化和高层建筑的不断发展,各种性能和用途的石膏制品大大增加。我国石膏资源十分丰富。目前,我国已
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