耐疲劳性

纤维增强塑料不仅具有很高的力学强度，特别是耐疲劳性，在重复的外力作用下，材料的性能不会明显降低。

Fiber reinforced plastic has high mechanical strength , especially fatigue durability , and its performance will not be debased obviously under the repetitious outside force .

钴铬合金因为其生物相容性良好，耐疲劳性强、机械强度高以及价格经济成为我国目前应用最广的口腔用合金材料之一。

Cobalt-chromium alloy is one of the most widely used oral alloys in China because of its high biocompatibility , fatigue durability , and mechanical strength , and low price .

PEEK树脂的韧性好，对交变应力的优良耐疲劳性是所有塑料中最出众的，可与合金材料媲美；

PEEK resin toughness , good to excellent alternating stress resistance to fatigue sex is the most outstanding all plastic , alloy material with comparable ;

聚氨酯（PU）弹性体具有优良的耐磨性能、韧性、耐疲劳性、耐化学腐蚀性及高抗冲性等，是一类用途广泛的工程材料。

Polyurethanes ( PU ) are becoming more and more important as engineering materials , due to their many excellent properties such as high abrasion resistance , chemical resistance and high flexibility .

目前，对PTT长丝的研究比较多，主要集中在PTT长丝的耐疲劳性方面，并且成功地开发出了泳装、紧身内衣和其他高档服装。

Currently , much research has been done on PTT filament yarn , with the main focus on the fatigue resistance . And a series of swim wears , body suits and other clothes have been developed .

非挥发性存储器（NVM）应该具有以下特性，如高密度、低成本、快速的读、写访问、低功耗、高耐疲劳性和长的保持性。

The ultimate nonvolatile data memory ( NVM ) should has characteristics such as high-density and low cost , fast write and read access , low energy operation , and high performance with respect to endurance ( write cyclability ) and retention .

实验结果表明：单体的合成路线是可行的，含量<1O%的三元共聚体的特性粘度、耐热性与PP-TA相近，溶解性能优于PPTA，共聚纤维的耐疲劳性也优于芳纶1414。

The results show the synthesis method is convenient . The inherent viscosity and heat stability of terpolymers containing the third comonomer less than 10 % are similar to PPTA but the dissolvability is improved and the fatigue resistance of terpolymer fiber is better than that of PPTA fiber .

提高摩托车齿轮耐疲劳性的因素&热处理工艺

Heat Treatment & A Factor of Improving Motorcycle Gear Fatigue Behaviour

添加剂的并用在一定程度上可改善氨纶丝弹性与耐疲劳性。

The combination of different additives improved the elasticity and fatigue resistance of melt-spun polyurethane fiber to a different extent .

其中，沥青稳定碎石基层材料具有较高的抗剪强度、抗弯拉强度和耐疲劳性等优点。

Among them , asphalt stabilized macadam materials show great advantage in high shear strength , flexural strength and fatigue resistance .

研究比较了几种有机光致变色化合物的可逆光致变色性的热稳定性和耐疲劳性等光化学稳定性能，提出了提高光化学稳定性的几种可行方法。

In this paper , the chemical stability of several OPC , include thermal stability and fatigue resistance , is researched , and several methods to improve chemical stability are proposed .

复合材料层合结构由于重量轻、比强度高，比刚度大、耐疲劳性和铺层可设计性好等优点，广泛地应用于航空和航天领域上。

Composite laminated thin-walled structures are widely used in aerospace and aeronautic structures due to weight-light , their high specific strength , high specific stiffness , fatigue resistance and flexibility in design .

表面质量对机器零件的耐磨性、耐疲劳性、耐蚀性、以及零件配合质量等使用性能都有很大影响，因此确保零件的表面质量是机械加工过程中的重要任务。

It greatly affects machine parts ' usage performance , such as wear resistance , fatigue resistance , corrosion resistance , combining quality and so on . Thus ensuring parts ' surface quality is an important mission during the machining process .

大型曲轴是船舶、机车和发电设备内燃机上的关键零件，其加工质量与内燃机的耐磨损性、耐疲劳性、振动、噪声等性能关系密切，并直接影响内燃机的可靠度和使用寿命。

As the key part of the internal-combustion engine used in ship , locomotive and electric power equipment , the large-scale crankshaft has close relationship with its wearing resistance , fatigue resistance , vibration and noise characteristic and has the direct influence on its reliability and useful life .

方法建立营养性肥胖动物模型，灌喂中药，观察其体重、耐疲劳能力、血清性激素水平及卵巢发育情况。

Methods Chinese herbs were fed to alimentary obesity model rats and their body weight , fatigued endurance , serum sexual hormone and ovarian development condition were tested .

涤纶工业丝不但具有普通涤纶良好的化学稳定性，还具有高强度，高模量，低延伸，耐冲击，耐疲劳，耐热性好等优良的物理机械性能。

PET industrial yarn not only has a good chemical stability as common yarns but also has excellent mechanical performance such as high breaking tenacity , high modulus , and good impact resistance .

钢管复合桩在钢管套箍作用下具有提高核心混凝土强度、质量较轻、塑性好、耐冲击、耐疲劳及耐火性好等优点。

Steel tubular composite piles under the confinement effect of the steel tubular have many advantages such as the increasing of the strength of core concrete , lighter mass , better plasticity , fine resistance to impacting , fatigue and fire .

新材料不仅具有耐油性，在耐高温性、耐疲劳性和抗永久变形性方面也有较大幅度的提高。

The new material is not only oil resistant , but also has fairly great improvement in performance of high temperature resistance , fatigue resistance and permanent deformation resistance .