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- uniaxial stress and temperature cycling test 单轴应力-温度循环试验
- Solder joint fatigue life is generally ascertained through accelerated temperature cycle test on electrical subassembly. 焊点疲劳寿命通常是通过电子组件进行温度循环加速试验来确定。
- Influence of High Temperature Cycling Test on PBX Columns 高温暴露试验对 PBX 药柱的影响
- temperature cycling test 温度循环试验
- Stability of Water-in-Oil Emulsions Under Low to Ambient Temperature Cycling Conditions, Test Method for (05. 低于室温循环条件下的油中含水乳液的稳定性的试验方法(05。
- CSZ manufactures environmental test chambers including temperature cycling, humidity, thermal shock, altitude. CSZ生产环境实验室,包括温度周期变化、湿度、热冲击、高度等。
- temperature cycle test 温度周期试验
- Fig.4: Contact resistance characteristics of passivated silver plated spring pins on PCB with chemical nickel gold plating during temperature cycling. 温度循环试验后,光学观察显示pcb的化学镍金层整体有平滑的烙印,但化学镀金层完好无损。弹簧引线镀银层同样也没有受磨损。
- The composition and microstructure of intermetallic compound layer and fracture surface after thermal cycling test were analyzed by scanning electron microscope (SEM) with EDX. 通过带有能量散射X射线能谱仪(EDX)的扫描电镜(SEM)对热循环测试后焊点金属间化合物(IMC)层和推拉测试后的断裂面进行了形貌、结构和组分的观察及分析。
- Under temperature cycling (thermomechanical fatigue) conditions, this Pb-rich phase tends to coarsen and eventually leads to solder joint cracking. 在温度循环条件(即热机械疲劳条件)下,富铅相会变粗并最终导致焊点破裂。
- Fig. 4: Contact resistance characteristics of passivated silver plated spring pins on PCB with chemical nickel gold plating during temperature cycling. 温度循环试验后,光学观察显示PCB的化学镍金层整体有平滑的烙印,但化学镀金层完好无损。弹簧引线镀银层同样也没有受磨损。
- Analysis results show that temperature cycling leads to stress cycling and the later leads to thermal ratchetting effect and the accumulation of inelastic strain. 结果表明,温度循环在焊点内部导致应力循环,应力循环导致热棘轮效应,即非弹性应变累积;
- This technique produces devices that have an extremely stable quiescent output voltage, are immune to mechanical stress, and have precise recoverability after temperature cycling. 该技术生产出的器件具有极端稳定的静态输出电压,可抗机械应力,并且在温度周期性变化后还具有精确的可恢复性。
- Therelation of bagging strength and bagging height is correspondence with therule of index, the maximum arching strength and remaining bagging heightare stabilized after three cycling test. 竹原纤维针织物起拱力与起拱高度的关系呈现指数变化规律,定拱高起拱时的最大起拱力和残余拱高,经过三次循环试验后,都趋向于稳定。
- Each valve is pressure tested for seat tightness, shell and packing integrity including cycling tests to check for reliability of operation. 每个阀门都经过阀座气密性、阀壳和填料整体性的压力测试,包括检验操作可靠性的循环测试。
- Combined EVT500-500 with BTS-600, the DST cycle test of horizon lead-acid battery 12 V/85 Ah was performed. 结合EVT 500-500和BTS-600对水平铅酸蓄电池12 V/85 Ah进行了电池动态应力(DST)循环工况测试;
- In this dissertation, design of a distributed CAMAC system for Pressure Cycle Test is studied in detail. 本文以车用油冷器压力脉冲试验台为应用对象,系统地研究了油冷器压力脉冲试验台分布式测控系统的设计与实现方法。
- Cyclic voltametry and charge-discharge cycle test was applied to perform the electrochemical test. 在电化学测试方面使用循环伏安法及充放电仪来进行测试。
- Daily temperature cycles do not have concentrating effect on daily eclosion time. 实验结果显示在日出时,摇蚊就已经开始一些羽化前的准备。
- WET-DRY CYCLING TEST OF SATURATING RESIN 浸渍树脂干湿交变试验
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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