Abstract: With the coal mine excavated deeper gradually, strain softening, swelling fracture 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。

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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。

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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.

水力压裂过程中存在的损害主要包括粘土膨胀与颗粒运移损害、机械杂质引起堵塞损害、支撑裂缝导流能力的损害等。

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