查询词典 failure

A macro and micro and chemical element analysis was made on fracture of ruptured coupling bolts,torsion test was performed and stress analysis and calculation were made,the results show that when the steam turbine had failure,MP-LP rotor coupling bolts and generator-exciter rotor coupling bolts failure were classified as overload shear fracture with partial deformation .

对215MW汽轮机断裂的对轮螺栓做断口宏观、微观分析，化学元素分析，扭转试验及受力分析计算，结果表明汽轮机组在事故中，中压-低压转子对轮螺栓和发电机-励磁机转子对轮螺柱的失效类型为：过载剪切断裂，同时局部挤压变形，这是由于事故过程中轴系受到冲击扭矩作用而引起的。

By using the vector Markov process theory and Laplace transform methods, we obtain some reliability indices such as the Laplace transform of the reliability of the system, the mean time to the first failure of the system, the steady-state availability and the steady-state failure frequency.

利用向量Markov过程理论和Laplace变换的方法，求出了系统可靠度的Laplace变换，系统首次故障前平均时间的表达式，系统的稳态可用度和稳态故障频度等可靠性指标。

Empirical Bayes estimates of steady-state availability in exponential distribution model;2. Using vector Markov process theory and Laplace transform method,we obtain the Laplace transform of the reliability,the mean time to first failure,the steady-state availability and the steady-state failure frequency and so.

利用向量Markov过程理论和Laplace变换的方法，求出了系统可靠度的Laplace变换，系统首次故障前平均时间的表达式，系统的稳态可用度和稳态故障频度等可靠性指标；此外，还通过数值比较考察了系统参数对系统稳态可用度的影响，并对系统进行了效益分析。

Abstract］ Objective To explore the failure causes of mastoidectomy and precautions.Methods The operation findings of 37 cases who underwent revision mastoidectomy from 1995 to 2005 were analyzed for causes of the primary procedures and revision mastoidectomy failure.Results Original symptoms disappeared.

目的 探讨乳突根治术不能干耳原因及预防措施方法对我科1990~2005年收治的37例乳突根治术不能干耳患者的再次乳突手术所见进行分析，并行二次乳突根治术。

To be direct against problems of traditional apparatus reliability failure analysis method,this paper presents a failure analysis method based on maximum likelihood estimation method.

针对传统电器可靠性失效分析方法中存在的问题，提出了一种电器可靠性失效分析极大似然估计方法。

Compared with the actual landslide, the simulation result is good, which proves that the microcrack is the primary factor to control the rock slope failure; and it is very valuable for understanding the failure mechanism of the jointed slope.

通过与实际滑坡形式进行对比，模拟效果好，证明微裂纹是控制岩质边坡破坏的主要因索，对理解节理边坡的破坏机制具有重要意义。

By TDS-6 microseism test system, the MS effect of the compound coal-rock samples from Xinzhouyao Coal Mine was studied in the process of deformation, fracture and rockburst failure, especially the evolvement of MS frequency-spectrum before and after rockburst failure was revealed.

利用TDS-6微震采集系统测试了忻州窑煤矿组合煤岩试样变形破裂直至冲击破坏过程中的微震信号，特别是冲击破坏前后微震频谱的变化规律。

In order to clarify the type, the causes and the mechanism of the sealing failure, and the further improve the working life of the seal rings of drilling mud pump plunger, this paper analyzed the seal failure of myriameter drilling mud pump plunger.

为了弄清高压钻井泥浆泵柱塞密封圈的失效形式、原因及机理，进一步提高钻井泥浆泵柱塞密封圈的寿命，对万米钻井泥浆泵柱塞密封失效分析。

However, at least 1 outside observer urged caution in interpreting these findings."The reliability and validity of high-resolution computerized tomography in kidney failure has been questioned," Ell Friedman, MD, nephrologist and Distinguished Teaching Professor of Medicine at the State University of New York Downstate Medical Center in Brooklyn, told Medscape Nephrology . He cited a recent study by Barraclough et al ( Nephrol Dial Transplant . Published online before print May 1, 2008) showing significant imprecision in HRCT-derived validation of coronary calcification in kidney failure patients, depending on who reads the results.

然而，至少一位以上的外部观察者表示在阐释这些研究发现时必须特别小心，布鲁克林纽约州立大学Downstate医学中心的肾脏学家与卓越教学医学教授Ell Friedman医师向Medscape肾脏学表示，高解析度电脑断层扫描应用於肾脏衰竭上的信度与效度已经受到质疑；他引用最近一项由Barraclough等人（发表於Nephrol Dial Transplant，於2008年5月1日线上发表）的研究结果，显示HRCT延伸的肾脏衰竭病患冠状动脉钙化检验有相当程度的误差，取决於谁判读检验结果。

An assertion's result can be success , nonfatal failure , or fatal failure .

一个断言的结果可以成功，非致命的失败和致命的失败。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。