疲劳

To measure the fracture toughness and crack propagation parameters of Q235 steel by fatigue experiment from the point of energy, J integral and the other method are used in measuring.

2从能量的观点出发，通过结构疲劳实验和标准实验，分别用柔度法和J积分测量法测量了Q235钢的断裂韧性值，同时，测量了Q235钢与疲劳裂纹扩展速率相关的两个参数，为基于Q235钢的机械承载结构裂纹的珍断与控制打下了坚实的基础。

Abstract］ Objective To investigate the clinical effect of Esculin and Digitalisglycosides Eye Drops for asthenopia after LASIK.Methods 100 eyes of 50 cases were given Esculin and Digitalisglycosides Eye Drops to treat asthenopia,compared with matched control subjects（100 eyes） of asthenopia and amplitude of accommodation.

目的 观察七叶洋地黄双苷滴眼液治疗LASIK术后视疲劳的疗效方法运用七叶洋地黄双苷滴眼液治疗LASIK术后病人50例100眼，以视疲劳的自觉症状及眼调节幅度观察指标，与对照组进行对比。

RESULTS:A fatigue determination system which was able to determine effectively the examinee's fatigue state was established.

结果：搭建了一套疲劳检测系统，可有效地得到被试者的疲劳状态。

The optimal stimulating frequency, Po, fatigability and time-dependent recovery of intermittent tetanic contraction were not altered in unloaded EDL compared with control.

对照组大鼠EDL的最适刺激频率为120 Hz，悬吊1、2与4周组EDL的最适刺激频率、疲劳性以及疲劳后恢复过程均未发生改变。

The optimal stimulating frequency, P_, fatigability and time-dependent recovery of intermittent tetanic contraction were not altered in unloaded EDL compared with control.

对照组大鼠EDL的最适刺激频率为120 Hz，悬吊1、2与4周组EDL的最适刺激频率、疲劳性以及疲劳后恢复过程均未发生改变。

The present study was performed to observe the time course and features of intermittent tetanic contractile function changes in soleus and extensor digitorum longus muscles of tail-suspended rats. The optimal stimulating frequency, fatigability and time-dependent recovery after fatigue were measured in isolated muscle strips.

为观察模拟失重对大鼠比目鱼肌(soleus， SOL)与趾长伸肌(extensor digitorum longus， EDL)间断强直收缩功能的影响，以及对刺激频率的调节作用，采用离体骨骼肌条灌流技术，观测其产生强直收缩最大张力的最适刺激频率、疲劳性与疲劳后恢复过程。

Tempered at 420℃, high hardness and toughness property can be maintained. It meets the requirement of multi-times impact strength with small energy and fatigue on operating duty. It has the higher endurance life property and so on..

经420℃回火，保持较高的强度和韧性，满足汽车板簧小能量多冲和疲劳载荷的服役状态，具有较高的疲劳寿命等使用性能。

Evaluation of fatigue damage degree of ferromagnetic materials is very important in engineering field.

疲劳破坏是铁磁材料构件主要的失效形式，评价铁磁材料的疲劳损伤在工程实践中具有重要的意义。

The effect of heating temperature for recovering fatigue damage on accumulated fatigue life of 45 carbon steel has been investigated.

通过试验研究了恢复加热温度对45钢疲劳损伤后累积疲劳寿命的影响。

Among them, the antioxidant compounds can effectively remove free radicals and esters peroxygen compounds inside the body, and interdict the powerful cancerogenic substance N-ammonium nilrite compounds. It can not only greatly enhance the body's immunity, but also with effective functions in moisturizing the skin, anti-fatigue and anti-aging; the bamboo fiber contains the amino acid necessary for human body, having distinctive health-care functions on the skin; the bamboo cellulose, bamboo honey and pectin have the effects of moisturizing the skin and fighting fatigue. They can increase the body's microcirculating blood, activate the histiocyte, enable the body to produce heating effects, effectively regulate the nervous system and unclog the meridian; the bamboo fiber has no free electric charge, antistatic and relieves itching.

其中，抗氧-化合物能有效清除体内的自由基和酯-过氧化合物，阻断强致癌物质N一亚-酸氨化合物，不仅能显著提高机体免-能力，而且具有滋润皮肤和抗疲劳、-抗衰老的生物功效；竹纤维含有多种-体必需的氨基酸，对皮肤具有独特的-健功能；竹纤维素、竹密、果胶具有-滋润皮肤和抗疲劳的功效，能增加人-的微循环血流，激活组织细胞，使人-产生温热效应，能有效调节神经系统-，疏通经络；竹纤维不带自由电荷，-静电，止瘙痒。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了