...在与产品可靠度有关之品质特性（quality characteristic）会随时间而衰变（degrade）的话，则执行 衰变试验 （ degradation test ）以搜集衰变资料（degradation data），将有助于产品可靠度之推估。
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consistent degradation test 一贯性降低
accelerated degradation test 加速退化试验
In accelerated degradation test is conducted on power supply boards under 80 ℃, 100 ℃ and 120 ℃ . The degradating of the output voltage as a function of the temperature are observed.
对电源整板进行80℃、100℃、120℃下加速退化试验,监测到输出电压随温度变化的退化过程。
参考来源 - 基于板级电路加速退化数据的可靠性分析·2,447,543篇论文数据，部分数据来源于NoteExpress
In addition, degradation test in soil also proves that the degradable film has good biological degradability.
另外，通过土埋试验也证明了降解薄膜具有较好的生物降解性能。
Simple degradation test showed that the loss weight of the samples increased with the time but not very obviously.
水降解试验表明：共混材料的失重率随着降解时间的延长而增加，但在短时间内变化不明显。
The glass transition temperature Tg, melt point Tm, thermogravimetric curve, tensile strength and degradation rate of this blend were determined by DSC, TGA, tensile test and degradation test.
用差示扫描量热法、热重分析法和拉伸试验法等测定了CDA—PLLGA的玻璃化温度、熔点、热失重性能、拉伸强度和降解性能。
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