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。
The skid bank fatigue life test of automobile transmission assembly has a long periodic time, which should go on under certain temperature and load.
变速器总成台架疲劳寿命试验周期长,并且要求其在一定温度、载荷下进行。
A convenient method is presented, which can be applied to measure impedance and temperature during the life test of loudspeaker.
并介绍了一种便捷的测量方法,该方法可在进行扬声器寿命试验的过程中同时测量阻抗和温度。
A method for measuring and controlling the junction temperature of power transistor during succession operation life test is proposed.
为了在试验周期中了解晶体管的结温,提出一种在功率晶体管稳态工作寿命试验过程中结温的测量与控制方法。
Through side-stream test, the result of butadiene removal by DD-1, service life, butene loss, and the influences of reaction velocity and reaction temperature on the catalyst are analyzed.
通过侧流试验分析了DD - 1脱除丁二烯的效果、使用寿命和丁烯损耗情况、反应空速和反应温度对催化剂的影响。
The problems of laser diode life test are introduced, and the integrating cavity scanning (ICS) method is given in laser diodes (LD) high-temperature accelerating life test.
介绍了半导体激光二极管(LD)寿命测试中存在的问题,并据此给出了LD高温加速寿命测试的积分球扫描法。
Test results show that the method can simulate turbine blade key section "s working" stress field "and temperature in the laboratory and give reasonable life data for turbine blade."
试验结果表明:试验方法能够模拟涡轮叶片考核截面在实际工作状态下的应力场和温度,利用所提出的试验方法和分析技术得到叶片的寿命数据是合理的。
Test equipment are: high and low temperature tester, life tester, strength tester, two dimensional measuring instrument, and so on a variety of instruments.
检测设备有:高低温测试仪、寿命测试仪、力度测试仪、二次元测量仪等等多种仪器。
Safety protection, energy save and extend heater life. Auto power cut-off under the circumstances of standby for 30 minutes, failure of temperature test, PCB, heating element and low tip temperature.
当30分钟闲置, 或测温系统出现故障, 如焊咀温度低于警诫线,发热芯或线路板发生故障时,自动切断电源, 具安全,省电及延长芯头寿命的优势。
Then a simulation of cycle discharge performance was carried out by using the cycle life test data got at high-temperature. The error of discharge voltage was less than 0.6%.
然后结合已有的高温循环寿命测试数据对电池循环放电性能进行了仿真,得到了放电电压误差不超过0.6%的结果;
The company can be accomplished within a product of high, low temperature, high humidity, shock, drop impact, life, anti interference test.
在公司内可以完成产品的高、低温、高湿、冲击、跌落撞击、寿命、抗干扰的试验。
In 2010 the structure and materials of brake disk was improved technically; it had a service life of 500 thousand high-intensity tests and 10 circles of high temperature test.
2010年又对制动盘的结构和材质进行了创造性的技术提升,具有了50万次高强度试验寿命和10循环高温试验寿命。
METHODS Accelerated test classical constant temperature method, and multi-variation linear model were used to estimate shelf life.
方法 :采用加速试验 ,经典恒温法和多元线性模型预测其有效期。
METHODS Accelerated test classical constant temperature method, and multi-variation linear model were used to estimate shelf life.
方法 :采用加速试验 ,经典恒温法和多元线性模型预测其有效期。
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