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21 7Plus TM is a methodology and a software tool that was developed by the Reliability Information Analysis Center (RIAC) to aid in the assessment of system reliability. It is the next generation of the PRISM ® software tool initially released by the Reliability Analysis Center (RAC) in 1 999 (which became RIAC in 2005) and contains twice the number of models as the original PRISM ® tool. 1 The original version of PRISM ® contained embedded models that are used to estimate the failure rate of various components when exposed to a specific set of stresses that are defined by the user. Since the time PRISM ® made its debut in the user community, the equations comprising the component reliability prediction models, which form the basis of PRISM ® , were not made available in printed form. As such, a user of the software tool could not see the exact equations that comprised the models. It is always advantageous for analysts to be able to review details of the models, so that the results can be better interpreted. This Handbook is published to make available the equations and model parameters that form the basis of the 21 7Plus TM methodology

Power electronics Devices, circuits, anD aPPlications Fourth Edition Muhammad H. Rashid, Fellow IET, Life Fellow IEEE Electrical and Computer Engineeri

Python基础教程第三版-含解压密码-Original English language edition, entitled Beginning Python: From Novice to Professional, Third Edition by Magnus Lie Hetland, published by Apress, 2855 Telegraph Avenue, Suite 600, Berkeley, CA 94705 USA.