1 Constant-stress accelerated life test is a kind of effective and economic trial method in the product life span experiment.

2 Fourth, the pilot project of accelerated life test for the transmitter and receiver has been designed, and an example is given to show the method of dealing with the test result.

3 Based on the similarity theory of the accelerated life test, the accelerated life test of concrete was carried out with the multi-channel and adjustable-voltage chloride ion penetration test setup.

4 A plan was given to recovery energy in accelerated life test for the aero hydraulic pump.

5 The basic theory and methods of accelerated life test were presented.

6 Therefore, the general accelerated life test is not suitable for gyro motor.

7 Highly Accelerated Life Test(HALT) is an emerging technology, it is performed during design to find the weak reliability links in the product.

8 Basing on the study of progressive stress accelerated life test, a rapid evaluation method for electronic device's activation energy is proposed, and the theory model is constructed.

9 Application results for a bearing with different defect sizes and its whole life time from accelerated life test verified this method's Feasibility and validity.

10 Assessment results of the whole life time of a bearing by accelerated life test validate the feasibility and effectiveness of this method.

11 With the development of science technology and economy,[] step-stress accelerated life test becomes an important method.

12 Strength and bending resistance test, welding heat test and highly accelerated life test (HALT) were retested up to grade.

13 The changes of the electric match composition at different time simulating accelerated life test were analysed by X-ray diffraction.

14 Third, proposed and researched optimizing design mode of constant stress accelerated life test plans under the temperature and vibration stresses.

15 Fourthly, proposed and researched optimizing design mode of constant stress accelerated life test plans under the temperature and vibration stresses.

16 The lives of corrugated boxes is studied by the means of accelerated life test. The air relative humidity (H) and vertical load(G) are selected here to studied the lives of corrugated boxes.

17 The key point of data processing in fuze step-stress accelerated life test is the estimation of the distribution parameters of fuze storage life.

18 Confidence interval of the coefficient of acceleration is derived based on step-stress accelerated life test data.

19 But the research shows that the same test condition has different influence on different parts of gyro motor, and gyro motor has different fault mechanism when doing accelerated life test.

20 The main failure modes, failure mechanisms and application environment of long life Oxford type Stirling cryocooler were analyzed. High temperature operating accelerated life test method was adopted.