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- Pb-free solder;BGA;thermal cycling;dynamic fatigue tests;electrical analysis. 关键词:无铅焊锡;球格阵列构装;冷热循环试验;动态疲劳试验;电性分析
- The fatigue analysis method includes static or quasi-static fatigue, dynamic fatigue and vibration fatigue analysis method. 摘要有限元疲劳分析法通常包括：静态（或准静态）疲劳分析法、瞬态疲劳分析法和振动疲劳分析法。
- The results showed that reversion resistant and dynamic fatigue property of rubber vulcanized by new vulcanizator were excellent. 结果表明，用双-1，6-（二乙基硫代氨甲酰-二硫化）己烷组成的硫化体系硫化的株胶具有优异的抗硫化返原性和动态疲劳性能。
- The trialproduction and test indicate that the static strength and dynamic fatigue strength meet the design requirements,and that the noise in the driver's cab is not conformed with the standard at high speed. 试制试验表明,动力车车体静强度和动疲劳强度满足设计要求; 司机室噪声在高速时超标。
- Treadmill impact and dynamic fatigue tester 跑步机冲击及动态疲劳试验机
- The dynamic response of crankshaft stress and displacement and so on is analyzed by dynamics simulation, and the consequence results can be referenced for design and dynamic fatigue analysis of crankshaft. 通过动力学仿真分析曲轴的应力和位移等动力响应，为曲轴的动态疲劳分析提供依据，为曲轴设计提供参考。
- Dynamic fatigue damage of intermittence jointed rock masses 断续节理岩体动态疲劳损伤研究
- Test Methods for Rubber Deterioration - Dynamic Fatigue 橡胶变质的动态疲劳试验方法
- DYNAMIC FATIGUE RELIABILITY ANALYSIS OF ENGINEERING METAL STRUCTURE 工程金属结构动态疲劳可靠性分析
- Keywords nylon silk;CO;RFL;adhesion;dynamic fatigue property; 锦丝绸;氯醚橡胶;RFL;粘合性能;动态疲劳性能;
- We are looking for dynamic persons to be salesmen. 我们正在寻找充满活力的销售人员。
- Analysis on the Dynamic Fatigue Strength of Diesel Engine Crankshaft 柴油机曲轴动态疲劳强度分析
- Conditional probability model for dynamic fatigue reliability of offshore structures considering inspection and repair 考虑检修的结构动态疲劳可靠性条件概率模型
- Application of hysteresis measurement method in study on dynamic fatigue of polymers 滞后测量法在聚合物动态疲劳研究中的应用
- Dynamic fatigue and failure characteristics of rubber compounds with different reinforcing fillers 不同补强体系胶料疲劳断裂性能的研究
- Every dynamic system needs continuous readjustment. 每一动态系统都需要不断地再调整。
- Dynamic fatigue properties of the cracked sandstone samples under freezing and cyclic loading 循环荷载下冻结裂隙砂岩动疲劳特性研究
- The conflict process is a dynamic phenomenon. 冲突过程是一种动态现象。
- Effect of humidity of drawing environment on dynamic fatigue of high strength optical fiber 拉丝环境湿度对高强度光纤动态疲劳的影响
- This is the first main crux of dynamic theory. 这是动态学说第一个主要的难题。
