orthoform

Experimental study on mechanical properties of notch bolt under lubricating states;

润滑状态下凹口螺栓力学特性试验研究

That in what extent different mineral admixtures affect the concrete durability is expressed by embolic factor in quantity.

基于对国内外大量研究成果的分析,提出矿物微细粉的作用机理:栓塞效应;并且以"栓塞因子"定量表征不同种类矿物微细粉对混凝土耐久性的改善程度。