For HDPE pipe material, the weibull stress maybe an effective fracture parameter.
对于HDPE管道材料，威布尔应力可以作为有效的断裂控制参量。
The new elastic-plastic fracture parameter T-integral is used in experimental exploration studus.
同时对新的弹塑性参量T积分开展了探索性研究。
The method is also valid to be used for fracture parameter computations of other fracture criterions of concrete.
本文方法同样适用于其它混凝土断裂模型的断裂参数的计算。
The property of viscoelastic interface fracture and the calculating method of fracture parameter are investigated.
研究了粘弹性界面断裂的性质和断裂参量的计算方法。
The first one employs the fracture parameter, being the distance from the point of applying the indentation load to the specimen edge.
第一个采用了断裂参数，是距离的应用压痕负荷的标本优势。
The research of fracture parameter is significative because the fracture not only ACTS as the passage of the fluid flow but also the storage space in carbonate reservoir.
在碳酸盐岩储层中裂缝不仅起渗流作用还可以作为存储空间，因此研究裂缝的物性参数也就有着很大的意义。
Fracture pressure is the key parameter designed for hydraulic fracturing. On the other hand, acidizing pretreatment is one of the measures reducing fracture pressure.
破裂压力是水力压裂设计的关键参数，而酸化预处理是降低破裂压力的措施之一。
In this paper, I try to use the directional amplitude difference and directional velocity difference to carry out the parameter inversion of the fracture.
本文尝试通过方向振幅差异和方向速度的差异对垂直排列裂缝的参数进行反演计算。
Filtrateloss parameter of acidizing fluid is one of the key parameters to determine fracture geometry and the time of closed fracture in fracturing and acidizing design.
酸液向地层的滤失参数，是压裂酸化设计时确定裂缝几何尺寸及裂缝闭合时间最关键的参数之一。
Elastic parameter such as impedance, velocity, Poisson ratio etc. and pre-stack amplitude, frequency attributes can be used to quantitatively predict the fracture density and direction.
利用阻抗、速度、泊松比等弹性参数和叠前振幅、频率属性可对裂缝密度和方位进行定量预测。
In the fracture assessment of 3c, J-integer is a very important parameter, which is also an important contents in the elastic-plastic fracture mechanics.
在3c级断裂评估中，J积分是一个非常重要的参量，也是研究弹塑性断裂力学的重要内容之一。
In the elastoplastic fracture analysis for pipelines steel X60, J-A2 two parameter approach was adopted to predict the failure pressures of pipelines with surface cracks.
在对X60管钢弹塑性断裂分析中，采用J - A2双参数方法来预测带表面裂纹管道的破坏压力。
Q345 steel, a common low carbon alloy steel, was widely used in industries. The fracture toughness of Q345 steel is an important parameter for measuring cracks in engineering.
Q345是广泛使用的一种普通低合金钢，其断裂韧性是工程中进行裂纹检测的重要参数。
The experimental result coincided with the thermal shock parameter R and R calculated values based on thermal shock fracture and thermal shock damage.
这同热震断裂和热震损伤理论计算的热震参数R和R的结果相一致。
Some study methods are proposed for improving fracture identification and evaluation reliability, the reservoir parameter evaluation, and reservoir spatial distribution.
在提高裂缝识别与评价精度、储层参数评价方法研究、储层空间展布研究等三个方面提出了今后的工作设想。
An analysis parameter used in hydraulic fracture design to indicate the pressure at which the fracture effectively closes without proppant in place.
用于水力压裂设计的一个分析参数。在闭合压力下，当在适当位置没有支撑剂的情况下，裂缝有效地闭合。
For fracturing design, ahead fluid volume is an important operation parameter, which directly influences fracture morphology, fracture results or even results the success or failure of the operation.
压裂设计中，前置液用量是一个重要施工参数，它直接影响着裂缝形态、压裂改造效果，甚至决定压裂施工的成败。
Parameter configuration differences of the machine tool not only cannot make diamond cutters exert function, also can bring diamond cutters of the collapse edge, fracture, etc.
参数配置分歧理的机床不仅不能使钻石刀具发挥应有功能，还可能带来钻石刀具的崩刃、断裂等。
This injection well perforation parameter prediction theoretical method provides a new way to improve poor formation's water absorbing capability and mitigate over fracture pressure injection.
运用此项研究得出的一套注水井射孔完井参数预测的理论方法，为提高差油层的吸水能力、减轻油层超破压注水提供了新思路。
This paper introduces the fracture identification method utilizing engineering parameter of comprehensive mud logging, Among them, the DCS index reflects the drillability and unconsolidated property.
本文介绍了利用综合录井中的工程参数识别裂缝的方法，其中优选出反映地层可钻性的DCS指数，根据DCS指数对地层可钻性及疏松程度的反映来识别储集层裂缝。
Wrinkling and fracture are the major defects in sheet metal forming, and the blank-holder force(BHF) is an important technologic parameter controlling the forming of sheet metal.
在板材成形中，起皱和拉裂是主要缺陷，而压边力是控制板材成形的重要工艺参数。
The result of this study shows that the fractal dimension of fracture surfaces is a characteristic parameter capable of reflecting the damage-fracture mechanism of rocks.
结果表明，分形维数是一个能反映岩石损伤断裂机理的特征参数。
The method of the equivalence of the mechanical parameter is also given based on the deformation regularity of the normal and shear fracture of the single fracture.
在单一裂隙法向变形和剪切变形规律的基础上，给出其力学参数等效方法。
Focusing on the Two Parameter Fracture Method and the double-Kcriterion, the following work is carried on in this paper.
本文主要针对混凝土双参数模型和双k断裂准则进行了以下几方面的研究。
Size effect of fracture toughness is verified by software, and KICS from Two-parameter fracture Model reflects the fracture properties of structural more truly.
软件分析验证了断裂韧度存在尺寸效应，采用双参数模型算得的KICS比较真实的反映了结构的断裂性能。
Since the fracture toughness value is a very important parameter in defect assessment and usually could not obtained from in service piping which need to assess.
断裂韧度值在缺陷评定中是一个非常重要的参数，但不能从在役管道中获得。
Significant differences on starch gel fracture-force, Chewiness, and hardness, gene have no influence on other parameter in western Australian varieties (lines).
西澳面条小麦品种淀粉凝胶破碎力、咀嚼性及硬度在品种之间达到显著或极显著性差异，其它参数在品种间无显著性差异。
Significant differences on starch gel fracture-force, Chewiness, and hardness, gene have no influence on other parameter in western Australian varieties (lines).
西澳面条小麦品种淀粉凝胶破碎力、咀嚼性及硬度在品种之间达到显著或极显著性差异，其它参数在品种间无显著性差异。
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