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- IMPROVEMENT OF ULTRASONIC PEENING TREATMENT ON TUBULAR JOINTS UNDER HIGH STRESS RATIO LOADING 承载超声冲击方法改善高应力比加载条件管接头疲劳性能
- High stress ratio 高应力比
- Focussed Relaxation in High Stress Situations. 高应力集中缓和局势.
- And they are almost twice as likely to have high stress levels. 此外,年轻人精神压力过大的几率高出近一倍。
- Must be able to work effectively in a fast paced high stress environment. 必须能够在高压力的环境下迅速而有效地工作。
- The highest stress range occurs near the support. 其最高应力范围发生在近支撑处。
- The factors effecting Dfc,ie ,amount of load, stress ratio, loading frequency and welding are studied as well. 并对影响临界疲劳损伤因子D_(fe)的四个因素:载荷大小、应力比、加载顺序、焊接等进行了研究。
- There is much difference between the stress ratio in crown and springe calculated with these two methods. 拱冠和拱脚处的应力比值跟竖向构件比较相差悬殊;
- Under high stress or low stress abrasion working conditions, high Cr white cast iron can be used just after it having been air quenched. 高应力磨料磨损或低应力磨料磨损工况条件下,高铬白口铸铁空淬后不须回火可直接应用。
- It was showed that under the transverse tension, high stress concentration and even concrete cracks would appear on the oblique webs of the model. 研究表明,在张拉横向预应力钢束以后,主梁边箱斜腹板中部会出现高拉应力区以及混凝土裂缝。
- For the case of fatigue loading:(1)For a given stress ratio,thespecimen seeks the SDS for the largest S_(max) to which it is subjected. 对疲劳载荷作用的情况:(1)对于给定的应力比 R,试样会趋于与它所承受的 S_(max)最大值相应的 SDS 状态。
- Long working hours, high stress levels and lack of exercise lead to people getting run-down and ill. “工作时间长、精神压力大和缺乏锻炼是导致人们健康状况下降和生病的主要因素。”
- The amplitudes of pore pressure increased notably with the increase of cyclic stress ratio, and the residual pore pressure also increased obviously. 当循环应力比增大时,动孔隙水压力变化幅值显著增加,而残余孔压也较大。
- These results imply that high stress load might decrease BUA and increase SOS, respectively. 然而,至今仍无文献清楚的讨论BUA与SOS的参数与肌腱机械特性的相关性;
- A method of calculating the pile-soil stress ratio is conducted and the effect on main influence factors is analyzed systemically. 就粉喷桩加固路基的特点,根据力学原理,分析桩土应力比问题,获得一些有益的结论。
- Worryingly for some, evidence is emerging that high stress levels contribute to intellectual clumsiness. 高度压力导致智力迟钝的证据正在显现出来,某些人为此感到焦虑。
- For aluminum brass, both the stress ratio and the time-to-fracture ratio were closely related to the logarithmic concentration of F-ions. 而铝黄铜在其腐蚀电位的破裂形态是属于延性撕裂状的窝穴;
- The space of the extremum mine microseism is closely connected with the high stress zones. 极值矿山微震发生的空间部位与高应力区密切相关。
- Aimed at the deficiency of tube hydro plasticity technology, effect of stress ratio on tension destabilization was analyzed by plasticity mechanic. 摘要针对目前管材内液塑性成形中缺陷对工艺的影响,借助塑性力学分析手段,对轴向和环向的应力比对拉伸失稳极限应变的影响进行了分析。