查询词典 failure analysis

Simulation of micro-milling process is conducted using finite element method. During modeling, the Johnson-Cook's coupled thermal-mechanical model was employed as workpiece material model, the Johnson-Cook s shear failure principle was adopted as work piece failure principle, and the coupled thermal-mechanical hexahedron strain hybrid modules and adaptive grid were used to remesh the workpiece's elements. The friction between the tool and workpiece obeys the amended coulomb's law that combines with the sliding friction and the adhesive friction.

采用有限元方法对微细铣削过程进行模拟，采用Johnson-Cook热力耦合模型作为工件材料模型，采用Johnson-Cook的剪切失效法则作为工件材料的失效准则，采用热力耦合平面应变杂交单元并使用自适应网格技术进行网格划分，刀具与工件间的摩擦采用滑动摩擦区和粘着摩擦区相结合的修正库仑定律。

On the basis of sufficient spot field investigation,all kinds of types of casing failure have been systemically studied,its failure factors and forming mechanism are analyzed,and finally the suggestions and measures to prevent or de- crea...

在充分现场调研的基础上，系统研究了油田套管损坏的各种类型，分析了造成套管损坏的各种因素和生成机理，提出了油田开发实践中避免或减少套管损坏的具体措施和建议。

119 4 And 0. 006 7, respectively. Both the failure probability density function and the cumulative distribution function can be presented by this degradation failure model.

所选的某型金属化膜脉冲电容器未知参数估计值为0.0001194和0.0067，将该值代入失效分布函数和概率密度函数中。

The use of genetically engineered murine models of heart failure has proven valuable in characterizing the progression of remodeling and its ultimate decompensation to failure.

应用遗传设计的心衰鼠模型已证明对表现重构进展和它的终末失代偿到衰竭期的特征有价值。

Is my third law of a bear market, but today I do not specifically say, since they were written out of the stock market will only lead to some deep-set of those who feel that I mystify, pretend, because they are in the stock market experienced a failure, every failure has not learned Finally, they lose confidence in the stock market, they no longer believe any technical experience and the stock market.

1750是我的熊市第三定律，但今天我没有具体说，因为他们的书面股市，只会导致一些深套的谁觉得我神秘化，假装，因为他们在被股市经历了失败，每一次失败并没有学到最后，他们失去了对股市的信心，他们不再相信任何技术经验和股票市场。

Under determining cushion thickness more than failure face depth, determining cushion thickness less than failure face depth and the space between pile is small etc, the calculation equation of proper determining cushion is got.

从垫层厚度大于破坏面深度、垫层厚度小于破坏面深度和当桩间距较小时等几种情况下，推导出最佳合理垫层计算公式。

From the AFS test result, we got the conclusion that this system can realize not only up-down and left-right adjust control but also failure diagnostication function. So all of these make sure to provide drivers the best lighting in many kinds of conditions (speed up, speed down, upgrade, downgrade, turn direction and failure mode), and help to avoiding dazzle as well.

通过对智能前照灯系统的测试试验得知，本系统能够实现灯光高度和左右调节的控制与故障诊断，保证了车辆在各种状态(如：加速、减速、上坡、下坡、转弯、故障模式等)下总能为驾驶员提供最佳照明，同时避免了对面驾驶员的炫目。

New ideas and methods in the paper:1 The formulas on perforated casing collapse strength were deducted, which offereda convenient method to analyze the relationship between casing collapse strength and perforation;2 The stress and displacement formulas on the system of casing, cement anddeformation under the non-uniform load were deducted, which offered the theoretical found for designing optimally casing string;3 The relationship between structure in-situ field of whole oil field and casing failurewere studied, which offered the scheme for the prediction of casing failure. The process of study in the paper:1 For simulating the relationship between the structure in-situ field and the casingfailure in the oil-deformation, the tests of the uniaxial tensile, compress, tnaxial compress and dilatability were made on the samples of the drill cores from deformation of casing failure position in Yuejing II oil field.

本文的主要创新： 1推导出了射孔套管抗挤强度的解析式，为分析射孔与套管强度的变化关系提供了简便的方法； 2推导出了非均匀地层载荷作用下套管、水泥环和地层组合体的应力和位移解析式，并非均匀作用下套管柱优化设计提供了理论依据； 3研究整个油田区块构造应力场与套管损坏关系，为预测套管损坏提供了可行方案；本文的研究过程如下： 1为模拟构造应力场与油层段套管损坏关系，做了大量的岩石单轴抗拉、单轴抗压、三轴试验以及岩石遇水膨胀试验，获得了研究区块岩石的弹性模量、泊松比、内聚力、内摩擦角以及岩石的线膨胀系数，这此数据为本文研究油层段套管损坏机理研究的理论分析和有限元法提供了实验数据。

Observed failure data were used to estimate unobserved failure data, and the distribution's estimated parameter was obtained.

先用已知数据来估计出未观察到的潜在数据，进而得出可靠性指标的估计。

2 Mm(8)on Tarim Oilfield,the bending strength of failure drill collar is calculated and then it is found that the bending strength of drill collar doesn t match condition of wells lead to failure of drill collar,which is the main reason.

对失效钻铤的弯曲强度比进行了计算，结果表明，弯曲强度比与井况不匹配是造成钻铤失效的主要原因。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。