The creep property is a basic long-term character of the concrete. 混凝土徐变特性是混凝土的一种基本的长期特性。
The research on apparent viscosity and rheological property of oil-coal slurry is necessary during coal direct liquefaction. 研究油煤浆在升温过程中粘度的变化及流变特性对煤炭直接液化工艺是十分必要的。