• The adsorption time of coal sample has a positive correlation with gas content and fracture growth.

    样品吸附时间煤层气量裂隙发育程度呈正相关关系。

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  • The fracture growth level is strictly controlled by argilla content, structural stress action and fault.

    裂缝发育程度严格泥质含量构造应力作用断层的控制。

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  • On structure it is a west leans' structural nose, the large-scale shear fracture growth and complicate the structure;

    构造西构造大型剪切断裂发育将构造复杂化

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  • Anpeng deep layer series is a clastic reservoir with low porosity, low permeability and fracture growth, where fractures are the main hydrocarbon migration channel and storage space.

    安棚地区深层、低裂缝发育碎屑层,裂缝主要油气运移通道储集空间

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  • These reservoirs are mainly contained mudstone, with salts and dolomite, fracture growth, and variational reservoir lithology, which determine reservoir sensitivities are very complicated.

    这种主要泥岩白云石裂缝发育并且岩性变化大决定盐间非砂岩敏感性相当复杂。

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  • Observations were made in three groups on the effect of detumescence, pain-relief, callus growth and clinical duration for fracture union.

    观察各组消肿止痛骨痂生长骨折临床愈合时间等方面情况。

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  • Objective: to investigate the expression of basic fibroblast growth factor in the process of human facial bone fracture healing.

    目的观察碱性成纤维细胞生长因子颌面部骨折愈合过程中的表达及量变化。

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  • This article reviews the appearance and expression of the main six kinds of endogenous growth factors up to now during fracture healing, and expects provide clues for future research.

    本文综述了目前主要内源性生长因子骨折修复过程产生表达研究进展,以期进一步研究提供参考依据

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  • If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.

    如果一个构件最终断裂作为疲劳破坏定义S - N曲线裂纹扩展曲线均是反映金属在疲劳载荷作用下的基本材料特性

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  • Objective: To establish a method for culturing the fracture hematoma cells in vitro and investigate the growth and osteogenesis characteristics of the fracture hematoma cells.

    目的建立一种体外培养骨折血肿细胞方法研究骨折血肿细胞生长情况成骨特性

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  • Fracture mechanics is adopted to estimate the fatigue life of structural members, and among the rest, crack growth rate formula is studied.

    本文采用断裂力学方法估算结构构件疲劳寿命,这其中主要围绕裂纹扩展速率表达式展开研究。

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  • The method has been widely applied in the concrescence of fracture , growth of nerve fiber , cure of infected wound , speeding growth of vegetables.

    直流电刺激方法促进骨折愈合神经纤维生长感染性创伤治疗,促进植物生长等方面,得到了广泛应用

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  • Fracture analysis by the scanning electron microscope shows that grain growth can be effectively inhibited and product properties highly improved by adding appropriate amount of foreign elements.

    扫描电镜断口分析表明:掺杂可以控制晶粒生长提高材料性能

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  • Fatigue damage estimation of the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.

    疲劳寿命计算采用断裂力学方法建立疲劳裂纹扩展模型失效模式极限状态方程

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  • Objective:To observe the effects of lower limb growth on children's femoral fracture treated with intramedullary nailing.

    目的观察儿童股骨骨折内针固定后下肢生长发育影响

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  • We also make tentative researches for fatigue fracture and for the effect of secondary crack on fatigue crack growth.

    本文疲劳断口研究方面进行了新的尝试,探讨了二次裂纹疲劳裂纹扩展影响

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  • Based on establishing fracture model, the authors analyze the factors influencing the growth of fractures and their openness, and then propose the method and technology for exploring fracture traps.

    建立裂缝模型基础上,分析影响裂缝发育开启程度的因素进而提出了勘探裂缝圈闭方法技术

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  • The craze growth and fracture laws concerning with the craze microstructure are the core of craze toughening mechanism.

    考虑银细观结构特征银纹生长断裂规律研究银纹增韧机制核心内容

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  • It was found that the fracture of TWIP steel was typical ductile fracture pattern and its deformation and fracture processes were the formation, growth and coalescence of microvoids.

    结果发现TWIP具有典型延性断裂断口特征,变形断裂过程为微孔洞形核、长大和聚合

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  • In this paper, through analyzing the subcritical crack growth, a new formula is presented which can be used to calculate the crack fracture initiation stress at low and middle stress rates.

    本文通过裂隙临界扩展的分析提出一个计算中等应力率下裂隙断裂起动应力的公式。

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  • BACKGROUND: Common metal bone fracture plate had powerful stress force shelter reaction in fixed bone segments and moreover, is has no induction and guiding reactions in bone growth.

    背景普通金属接骨板对固定具有强大的应力遮挡作用,对骨组织生长诱导引导作用

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  • This section will introduce the concept of Fracture Mechanics and initiation and growth mechanism of fatigue cracks, in particular, fatigue crack developed from welding defects.

    介绍结构断裂力学概念,礼炮裂纹起始生长机理尤其是焊接缺陷开始的疲劳

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  • It is shown that the fracture of concrete behaved complicatedly and irregularly, which underwent explicitly a subcritical crack growth prior to the unstable crack propagation.

    结果表明混凝土断裂一个复杂不规则过程,存在明显的亚临界扩展现象。

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  • The growth of structural fracture is controlled by such factors as lithology, porosity, lamellation and local structures, and the regional fracture controlled mainly by the regional stress field.

    构造裂缝发育岩石本身的力学性质以及局部构造制约,区域裂缝则与区域应力场强度有关。

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  • It is shown that the zigzag grain boundary may delay the initiation, growth and propagation of crack, as well as may also influence the crack morphology and the fracture mode markedly.

    研究表明弯曲晶界对裂纹萌生、长大扩展裂纹的形态断裂方式,都有显著的影响

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  • Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively.

    根据试验结果得到花岗岩亚临界裂纹扩展速度应力强度因子之间关系花岗岩的断裂韧度

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  • The methodology of fracture mechanics based on continuous crack growth was applied to the investigation of the microscopic damage evolution and toughness calculation for fiber composites.

    文中裂纹连续扩展断裂力学方法,研究单向纤维复合材料的细观损伤演化韧度计算

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  • Modeling of crack growth curve is the premise of the durability analysis based on probabilistic fracture mechanism.

    裂纹扩展曲线建模基于概率断裂力学耐久性分析方法的前提

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  • Modeling of crack growth curve is the premise of the durability analysis based on probabilistic fracture mechanism.

    裂纹扩展曲线建模基于概率断裂力学耐久性分析方法的前提

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