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With 3-D transient finite element analysis, the time evolution of dynamic stress intensity factor under different loading rates was obtained and the dynamic fracture toughness was determined by frac...

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你會讓一個有著碎裂的牙齒的人給你口交嗎？

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The two theories are the theory of complex material and the theory of fiber space. The calculate formulas of strength of extension about complex material are deduced.

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Objective To observe the possible effect of Fibrin Glue onthe healing of wound after cleft palate surgery.

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The corresponding double-$K$ fracture parameters (initial cracking roughness $K_{\rm IC}^{\rm ini}$and unstable fracture toughness $K_{\rm IC}^{\rm un})$ introduced in the criterion are determined using a simple experiment method combing with an analytical evaluation based on the cohesive force on the fictitious crack zone.

其相應的雙$K$斷裂參數(shù)(起裂斷裂韌度$K_{\rm IC}^{\rm ini}$和失穩(wěn)斷裂韌度$K_{\rm IC}^{\rm un}$)一般通過簡便的試驗和基于虛擬裂縫擴展粘聚力的解析方法確定。

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