Abstract: With the coal mine excavated deeper gradually, strain softening, swellingfracture and rheology of the rock appear around deep and high stress underground roadways.
摘要随着煤矿开采的逐渐加深，深部高应力巷道围岩表现出典型的应变软化、破裂膨胀及流变特征。
2
Objective:To explore the therapeutic efficacy about Danhong injection on the swelling after long bone fracture operation of limbs.
目的：探讨丹红注射液对四肢长骨骨折术后肿胀的临床治疗效果。
3
The damage during hydraulic fracturing mainly included clay swelling and grain migration, built up created by mechanical impurities, the damage of fracture conductivity and so on.