grade of gypsum 中文意思是什麼
grade of gypsum
解釋
石膏品位-
There is correspondence in evaluating sulfate resistance of cement paste by three test methods such as rapid boiling, gypsum mixing and wet - dry test. high strength grade cement can meliorate property of sulfate resistance
外摻石膏法、干濕交替法以及快速沸煮法三種實驗方法對評價水泥砂漿的抗硫酸鹽侵蝕性能有較好的一致性;高標號水泥品種對抗硫酸鹽侵蝕性能有很好的改善作用。
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