In this paper, the concentration of initiators, reaction temperature, reaction time and their effects on apparent grafting efficiency (G_a) and anti-shrinkage efficiency (ASE) value have been studied.

本文研究了引发剂浓度、反应温度及反应时间对表观接枝率(g_a)和抗收缩系数(ase)值的影响。

youdao

Short-hole shrinkage mining is an effective method for mining steep-thin veins, and it has advantages of high-efficiency and low-waste and simple technology.

浅孔留矿法对急倾斜薄矿脉的矿体开采是一种有效的采矿方法，具有高效低耗与工艺简单等优点。

youdao