局部疲劳

另一方面，正交异性钢桥面板局部疲劳裂纹萌生扩展后难以有效修补。

On the other hand , after the initiation and expansion of local fatigue cracks , orthotropic steel deck can hardly be effectively repaired .

分析表明，橡胶艉轴承承载板条的局部疲劳寿命与局部承受的载荷有很大关系，局部受力越大，该区域的疲劳寿命越低。

The analysis shows that the local fatigue life of the bearing plate of the rubber stern tube bearing may be decided by the local load .

交变冰力引起的结构交变应力必将导致结构的局部疲劳损伤。

Alternating stress produced by alternating dynamic ice force evidently results in the partial fatigue failure .

研究结果：中医描写疲劳的术语丰富多彩，既有描写体力疲劳的又有描写精神疲劳的或两者兼而有之的，既有描写全身疲劳的又有描写局部疲劳的。

Some describe physical fatigue , some describe mental fatigue and some others describe the both collectively ; some describe general fatigue and some describe local fatigue .

当一块肌肉完成持续的收缩时，所记录的表面肌电信号的分析是一个用于评价局部疲劳进行性的有用的工具。

The analysis of the surface myoelectric signal is a valuable and the signal is recorded while a muscle is performing a sustained contraction tool for assessing the progression of localized fatigue .

烟机叶片的断裂事故多为疲劳断裂，究其原因是催化剂冲刷造成的局部疲劳寿命降低，继而在交变载荷和蠕变的作用下发生破坏。

The breakage of blade is for fatigue fracture , this is because the fatigue life of local is reduced by catalyst washed , then damage occurred affect by alternating load and creep .

在混合区，裂纹的扩展速率高于材料的磨损速率，微动损伤表现为局部疲劳明显强于局部磨损。

In the MFR , the rate of fatigue crack propagation was higher than that of the material wear , and the fretting damage presented much obvious local fatigue than the local wear .

在军事工程领域中，装备通过军用桥梁时引起桥梁结构的振动，可能会造成桥梁结构的局部疲劳和损伤，从而影响到军用桥梁的安全使用和疲劳寿命。

In military engineering field , the vibration of the bridge will course its local fatigue and damage , when military equipments pass by , and it will affect the safety and service life of the military bridge .

在部分滑移区，复合微动作用下极易导致疲劳裂纹的萌生并主要沿平行于接触表面方向扩展，该区域微动损伤主要表现为局部疲劳。

In the partial slip regime ( PSR ), the fatigue cracks very easily initiated and mainly propagated parallel to the surface under the action of DRF . And the local fatigue was main damage formal in this regime .

静态运动负荷诱发局部肌肉疲劳和恢复过程中sEMG信号复杂度变化规律

The sEMG Signal Complexity Changes during and following Local Muscle Fatigue Induced by Isometric Loading

通过表面肌电信号的功率谱中值频率（f＿（med））来监测局部肌肉疲劳，对人体的肱二头肌做了疲劳实验。

This study was designed to monitor localized muscular fatigue with the power spectrum medium frequency of surface myoelectric signal , and test the muscular fatigue of body bices .

结论局部肌肉疲劳过程中MPF和MF下降率变化能够对相应关节最大肌力变化作出比较准确预测。

Conclusion : The slope of MPF and MF during local muscle fatigue progress can be used to predict the corresponding joint muscle force changes .

为了评价周期性动态收缩期间的局部肌肉疲劳，针对肌肉动态收缩时表面肌电信号的特点，提出了基于互Wigner-Ville分布的瞬时频率检测方法。

To evaluate muscle fatigue during cyclic dynamic contraction , according to the features of surface myoelectric signal during dynamic contraction , an instantaneous frequency detection technique based on cross Wigner-Ville distribution is proposed .

局部肌肉疲劳的表面肌电信号复杂度和熵变化

SEMG signal complexity and entropy changes during exercise-induced local muscle fatigue

双关节运动的局部肌肉疲劳与肌电变化

Local muscle fatigue and sEMG change in two-joint isometric flexion

局部应变疲劳分析方法及计算程序

A local strain fatigue analysis method and computer program

这样的变化被称之为局部肌肉疲劳的肌电表现。

Such changes are referred to as myoelectric manifestations of localized muscle fatigue .

局部肌肉疲劳的无创监测

Noninvasive monitor of localized muscular fatigue

局部应变疲劳的有限元分析

FEM analysis of local strain fatigue

表面肌电信号分析是评价局部肌肉疲劳有效的工具。

Surface myoelectric signal analysis has been proved effective for assessing the electrical manifestations of localized muscle fatigue .

局部肌疲劳过程与表面肌电信号分维值变化关系的研究

Study on the Relation between Fatigue Process of Localized Muscle and Change of Surface EMG Signal ′ s Fractal Dimension

设计：以人体针电极肌电信号为观察对象，分析肌电特征参数在局部肌疲劳过程中的变化规律。

DESIGN : Human NEMG signal was taken as the subject , the changing rule of myoelectric characteristics parameter in local muscular fatigue process was studied .

随着整体节点正逐渐在大跨度钢桁架桥设计中被采用，在交通荷载作用下焊接局部的疲劳问题日益引起人们的重视。

Along with the wider use of monolithic joint in the design of long span steel truss bridges , the fatigue of weld details under traffic loads gradually attracted more attention of the architects .

磨损过程中磨轮与复合涂层以粘着-接合对熔覆层组织进行显微切削，导致局部组织疲劳损坏，以切削-脱落的形式慢慢损耗熔覆层。

It was adhesion-engagement mechanism between the coatings and the grinding wheel in the wear process . The coatings were micro-cut resulting in the local fatigue damage and being worn down slowly in the form of " cut-off " .

利用肱二头肌在不同收缩力水平上持续恒力收缩时采集的表面肌电信号，研究局部肌疲劳过程中肌电信号的分形维变化规律。

The tendency of the change of the fractal dimension of surface electromyogram ( sEMG ) signal in localized muscle fatigue process was studied by means of sEMG signal detected from brachial biceps which contracts continuously at different contraction force levels .

最后通过ANSYS后处理模块得到强夯机臂架的疲劳寿命云图和疲劳安全系数云图，从而确定各局部结构的疲劳强度，为改进结构、提高疲劳寿命提供理论基础。

And the nephogram of fatigue life and fatigue safety factor is obtained through the post-processing module of ANSYS . And the fatigue strength of specific structure is determined through it .

根据多级模糊综合评价的要求和VDT作业引发疲劳感的特点，从视觉疲劳、局部骨骼肌疲劳和精神疲劳三个方面设计了评价指标体系，建立了VDT作业疲劳的二级模糊综合评价模型。

Based on fuzzy mathematics theory and the fatigue characteristic of VDT operators , an evaluation index system and a two-grade fuzzy synthetic evaluation model of VDT operators ' fatigue are set up .

风诱导共振作用下高耸空塔局部结构的疲劳计算

Fatigue Endurance Calculation for High-rising Empty Towers under Wind-induced Resonance Vibration

短碳纤维局部增强混凝土疲劳性能实验研究

Experimental Study of Fatigue Properties for Partially Short Carbon Fiber Reinforced Concrete

该方法常会导致构架整体疲劳强度过量设计和局部结构抗疲劳不足的问题出现。

This method often leads to excessive fatigue strength of the overall frame and lack of structural fatigue in local areas .